Øyvind Kolås [Thu, 30 Aug 2018 00:03:32 +0000 (02:03 +0200)]
babl-fish-reference: escape to double when single is too hard
If we do not have the conversions for to/from RGBA float - bail as early as
possible to the double code path instead.
Øyvind Kolås [Thu, 30 Aug 2018 00:01:18 +0000 (02:01 +0200)]
babl-fish: handle case of no from_list in source
Øyvind Kolås [Wed, 29 Aug 2018 23:41:49 +0000 (01:41 +0200)]
base: fix misregistred Y float to RGBA float conversion
Øyvind Kolås [Wed, 29 Aug 2018 23:39:26 +0000 (01:39 +0200)]
base: use f suffix on float literals
Øyvind Kolås [Wed, 29 Aug 2018 22:17:20 +0000 (00:17 +0200)]
base: more single precision code paths for model-rgb
Øyvind Kolås [Wed, 29 Aug 2018 21:51:50 +0000 (23:51 +0200)]
babl-fish-reference: disable a fast-code path that sometimes is invalid
Øyvind Kolås [Wed, 29 Aug 2018 21:50:56 +0000 (23:50 +0200)]
base: register a RGBA to RGBA float conversion for completeness
Øyvind Kolås [Wed, 29 Aug 2018 19:01:20 +0000 (21:01 +0200)]
extensions: implement Labf_to_rgbaf
Øyvind Kolås [Wed, 29 Aug 2018 15:35:33 +0000 (17:35 +0200)]
base: add single precision versions of all gray reference code
Øyvind Kolås [Wed, 29 Aug 2018 14:53:43 +0000 (16:53 +0200)]
base: model-rgb add float version of conversions for RaGaBaA
Øyvind Kolås [Wed, 29 Aug 2018 13:32:15 +0000 (15:32 +0200)]
base: model-rgb implement float versions of some conversions
Øyvind Kolås [Wed, 29 Aug 2018 13:28:41 +0000 (15:28 +0200)]
babl-fish-reference: implement floating point version of reference path
This relies on conversions, linear or planar, being registered to and from
RGBA float, similar to the already existing reference conversions in double.
To enable use of it set the environment variable BABL_REFERENCE_FLOAT to any
value, babl will crash if the above requirement is not met for a requested
conversion - permitting adding it - fallback code could be added that implements
it using the double versions when missing - but not having a full coverage at
least for the commonly used formats defeats the purpose.
Øyvind Kolås [Wed, 29 Aug 2018 13:27:08 +0000 (15:27 +0200)]
babl: skip initial profiling for planar conversions
Øyvind Kolås [Tue, 28 Aug 2018 14:49:33 +0000 (16:49 +0200)]
babl-fish-reference: avoid converting model if it already is RGBA
Øyvind Kolås [Tue, 28 Aug 2018 14:44:19 +0000 (16:44 +0200)]
babl-matrix: add babl_matrix_mul_matrixf
Øyvind Kolås [Tue, 28 Aug 2018 00:18:18 +0000 (02:18 +0200)]
babl-fish-reference: also do non-component matching same model in single precision
Øyvind Kolås [Mon, 27 Aug 2018 23:52:54 +0000 (01:52 +0200)]
babl-fish-reference: reintroduce single precision processing
only for matching components for now
Øyvind Kolås [Mon, 27 Aug 2018 23:37:07 +0000 (01:37 +0200)]
babl: silence missing path warning
Øyvind Kolås [Mon, 27 Aug 2018 23:23:56 +0000 (01:23 +0200)]
babl-fish-reference: improve component match checking for same-model
Øyvind Kolås [Mon, 27 Aug 2018 22:54:42 +0000 (00:54 +0200)]
revert parts of
fd2f96c53d9
Some of it was a bit too immature to commit, a reworked version will be
repushed.
Øyvind Kolås [Mon, 27 Aug 2018 22:32:47 +0000 (00:32 +0200)]
special case all 0 to map to all 0 in nonpremul
A test in GEGL relies on this, and keeping zeroed memory zeroed is good
for compression and some other heuristics that might run on a buffer.
Øyvind Kolås [Mon, 27 Aug 2018 20:57:54 +0000 (22:57 +0200)]
babl-fish-reference: do some conversions in single precision float
This permits these conversions to go through floating point instead of double
precision when non of the involved format have more than 32bit precision,
this might be determinetal to u32 but is right for u8 and u16 which we rely
most on.
We also disable the missing fast path messages, since now many references;
through internal shortcuts are faster than some long chains, perhaps some
of these reference fast paths should be split out as new categories of fishes.
Øyvind Kolås [Mon, 27 Aug 2018 19:44:32 +0000 (21:44 +0200)]
base: register single precision conversions for types
We're already registering double versions, having single precision and
in practice possibly sufficient precision for commonly used conversions.
Øyvind Kolås [Mon, 27 Aug 2018 19:42:43 +0000 (21:42 +0200)]
tools/babl_fish_path_fitness: fix text only version
Øyvind Kolås [Sun, 26 Aug 2018 23:38:15 +0000 (01:38 +0200)]
tools: improve html output of babl_fish_path_fitness
Illustrate memory throughput as read+writte/time, providing a metric that
works for comparing conversions against each other on a single machine.
Øyvind Kolås [Sun, 26 Aug 2018 21:19:35 +0000 (23:19 +0200)]
babl: move BABL_ALPHA_FLOOR to public babl header
Øyvind Kolås [Sun, 26 Aug 2018 21:18:32 +0000 (23:18 +0200)]
extensions: handle negative premultiplied alpha
Øyvind Kolås [Sun, 26 Aug 2018 19:56:14 +0000 (21:56 +0200)]
babl: model-rgb handle negative alpha in premultiplied
Øyvind Kolås [Sun, 26 Aug 2018 19:52:01 +0000 (21:52 +0200)]
babl: model-rgb, handle negative alpha in premultiplied
Øyvind Kolås [Fri, 24 Aug 2018 23:09:49 +0000 (01:09 +0200)]
extensions: adapt to keep color in premultiplied alpha
Øyvind Kolås [Fri, 24 Aug 2018 17:16:34 +0000 (19:16 +0200)]
base: preserve color in premutiplied alpha
Alpha values below BABL_ALPHA_FLOOR gets stored in the components
as BABL_ALPHA_FLOOR with alpha also set to BABL_ALPHA_FLOOR,
recovery from pre-multiplied to non-premultiplied is done as normal.
BABL_FLOOR is set to be 1/65536.0 with a hope that this gives us
approximately 8bit of color data preserved when using half-float.
Upon encountering exactly BABL_ALPHA_FLOOR in premultiplied conversion
to non-premultiplied interprets this as 0.0, making pure 0.0 values
round trip correctly from RGBA to RaGaBaA back to RGBA.
This makes a lot of extensions invalid - as expected but it already
allows testing the behavior of GEGL and GIMP with this additional
feature from babl.
Øyvind Kolås [Tue, 21 Aug 2018 16:08:47 +0000 (18:08 +0200)]
babl: add performance flag to intent, issue #21
Add BABL_ICC_INTENT_PERFORMANCE which can be ored into the intente
num when requesting that babl constructs a space using
babl_space_from_icc, when PERFORMANCE is requested babl will permit
matrix+trc over cLUT, and when it is an intent without a performance
modifier this does not apply.
Øyvind Kolås [Tue, 21 Aug 2018 12:18:00 +0000 (14:18 +0200)]
icc: detect inconsistent Argyll ICC cLUT profiles, issue #21
The default behavior for Agryll when creating cLUT profiles seem to be
embedding an obviously incorrect XYZ matrix, meaning that for now we cannot use
the matrix for our relative colorimetric transform, and in the future the
profile will be incapable of doing dynamic trade-offs between performance and
accuracy by using matrix over cLUT during interactive operations.
We detect the swapped primaries in combination with presence of cLUTs and then
bail on constructing a valid babl space, as well as provide debug information
about why the profile cannot be used by babl.
Øyvind Kolås [Tue, 14 Aug 2018 16:30:51 +0000 (18:30 +0200)]
post release version bump
Øyvind Kolås [Tue, 14 Aug 2018 16:28:03 +0000 (18:28 +0200)]
release 0.1.56
Ell [Sat, 4 Aug 2018 06:18:37 +0000 (02:18 -0400)]
babl-cache: store reference fishes in the cache
When we only have a reference fish for a given conversion, and not
a path fish, store a corresponding entry in the cache, marked by a
"[reference]" tag in the fish's attributes line, and containing no
conversion list. When reloading the cache, make sure a reference
fish is created for the conversion without trying to construct a
path fish, so that we don't waste time trying to search for a
conversion path.
Note that we still show a "missing fast path" warning, even for
cached reference fishes.
Ell [Sat, 4 Aug 2018 06:14:29 +0000 (02:14 -0400)]
babl-cache: skip fishes with nonexistent conversions, instead of bailing
When encountering a nonexistent conversion while loading the fish
cache, skip the current fish, instead of stopping processing the
cache entirely.
Øyvind Kolås [Mon, 23 Jul 2018 02:18:08 +0000 (04:18 +0200)]
post release version bump
Øyvind Kolås [Mon, 23 Jul 2018 01:59:25 +0000 (03:59 +0200)]
release 0.1.54
Øyvind Kolås [Fri, 20 Jul 2018 16:08:15 +0000 (18:08 +0200)]
NEWS: update
Øyvind Kolås [Fri, 20 Jul 2018 15:34:42 +0000 (17:34 +0200)]
babl.h: tidy and update documentation
Jan Vesely [Fri, 20 Jul 2018 05:55:54 +0000 (01:55 -0400)]
meson: Generate babl.map based on export_symbols file
Fixing issue #20
Signed-off-by: Jan Vesely <jano.vesely@gmail.com>
Øyvind Kolås [Fri, 20 Jul 2018 14:27:55 +0000 (16:27 +0200)]
babl: use an existing const char ptr for encoding in format
Øyvind Kolås [Fri, 20 Jul 2018 14:14:18 +0000 (16:14 +0200)]
babl: add a new symbol babl_format_get_encoding
This returns the string passed in to babl_format_new - without the space
suffix that babl_get_name does for non-sRGB formats.
Øyvind Kolås [Wed, 18 Jul 2018 20:05:27 +0000 (22:05 +0200)]
babl: add babl_space_with_trc
Permitting to create variants of a space that shared the primaries
but use a different TRC function.
Debarshi Ray [Tue, 17 Jul 2018 12:09:31 +0000 (12:09 +0000)]
Add SSE2 versions of "Y float" and "YA float" to "CIE L float"
Øyvind Kolås [Mon, 16 Jul 2018 21:37:45 +0000 (23:37 +0200)]
babl: simplify babl_format_with_space
Rely on any format string containing the substring "-space" that this
substring is the marker for the end of the encoding part of the format
name - which is what we want replicated in our new format with a different
color space.
Øyvind Kolås [Mon, 16 Jul 2018 20:04:40 +0000 (22:04 +0200)]
babl: permit Babl * as first argument of babl_format_with_space
Øyvind Kolås [Mon, 16 Jul 2018 16:15:56 +0000 (18:15 +0200)]
babl: harmonize naming of space constructors
babl_icc_make_space remains for compatibility so older versions of gimp
do not get upset, the gimp-2.10 release depends on this symbol.
Øyvind Kolås [Thu, 12 Jul 2018 14:47:10 +0000 (16:47 +0200)]
babl: look deeper, and longer for path fishes
We now do two iterations of +1 and +2 path lengths that take much longer than
the configured path lengths - and now complain with a debug output listing the
set of conversions taken to satisfy the request - giving hints on what parts
could possibly be shortened to fewer steps.
With this commit the first level of searching deeper also gets a debug message
which would cause GIMP to print a message in some places where it earlier
wouldnt have warned about missing fast paths.
Øyvind Kolås [Thu, 12 Jul 2018 09:59:46 +0000 (11:59 +0200)]
babl: allow querying chromaticities for spaces made with matrix
Do this by computing the chromaticities coordinates of the colors
.. #ff0000 #00ff00 and #0000ff, this also harmonizes the serialized
name to always be chromaticities, white point and trcs.
Øyvind Kolås [Wed, 11 Jul 2018 23:24:42 +0000 (01:24 +0200)]
extensions/u32: add ~ model/format support
Øyvind Kolås [Wed, 11 Jul 2018 23:24:26 +0000 (01:24 +0200)]
extensions/u16; add ~ model/format support
Øyvind Kolås [Wed, 11 Jul 2018 23:22:35 +0000 (01:22 +0200)]
extensions/float: add ~ variants of conversions
Michael Natterer [Wed, 11 Jul 2018 21:57:40 +0000 (23:57 +0200)]
Change the license URL from gnu.org/licenses/ to https://
Øyvind Kolås [Wed, 11 Jul 2018 21:35:59 +0000 (23:35 +0200)]
babl: add babl_model_is, utility function for checking model equivalence
This creates an on the fly model with the same space as the one compared with
and does pointer equivalence. Using it makes for less verbose code.
Øyvind Kolås [Wed, 11 Jul 2018 21:23:08 +0000 (23:23 +0200)]
babl: make babl_model_with_space able to take format/model for space
Øyvind Kolås [Wed, 11 Jul 2018 20:57:59 +0000 (22:57 +0200)]
babl.h: add documentation
Øyvind Kolås [Wed, 11 Jul 2018 20:47:30 +0000 (22:47 +0200)]
babl: make equalize_matrix argument an enum
Øyvind Kolås [Wed, 11 Jul 2018 19:48:10 +0000 (21:48 +0200)]
babl: make babl_space_to_icc symbol internal
Øyvind Kolås [Wed, 11 Jul 2018 19:11:17 +0000 (21:11 +0200)]
babl-space: add comments, do not use a static temp struct
Øyvind Kolås [Wed, 11 Jul 2018 18:35:40 +0000 (20:35 +0200)]
babl: add babl_space_get_icc
Øyvind Kolås [Wed, 11 Jul 2018 18:35:37 +0000 (20:35 +0200)]
babl: simplify the singleton logic in babl_format_with_space
Øyvind Kolås [Wed, 11 Jul 2018 15:07:52 +0000 (17:07 +0200)]
babl: export symbol model_with_space
Øyvind Kolås [Mon, 9 Jul 2018 20:58:55 +0000 (22:58 +0200)]
babl: add babl_space_get
An accessor for getting back out the chromaticities of whitepoint and primaries
as well as trcs.
Øyvind Kolås [Mon, 9 Jul 2018 14:48:05 +0000 (16:48 +0200)]
babl: add separate LUTs for rTRC,gTRC and bTRC in generic fast paths
Øyvind Kolås [Mon, 9 Jul 2018 14:29:42 +0000 (16:29 +0200)]
babl: fix bug in icc tag alignment
Øyvind Kolås [Sun, 8 Jul 2018 20:38:25 +0000 (22:38 +0200)]
babl: export symbol babl_space_to_icc
Øyvind Kolås [Sun, 8 Jul 2018 13:54:58 +0000 (15:54 +0200)]
babl: export more symbols
Adding babl_chromaticities_make_space, babl_trc and
babl_trc_gamma to public api and ability to setup arbitrary
BablSpaces without loading from ICC profiles.
Øyvind Kolås [Sat, 7 Jul 2018 20:46:50 +0000 (22:46 +0200)]
extensions/two-table: temporarily disable
When viewing PNGs with attached ICC profiles the gegl binary produces black
if the two-table extension is active. Something is wrong in babl even accepting
these paths.
Andrea Veri [Tue, 3 Jul 2018 09:58:13 +0000 (09:58 +0000)]
Drop newlines between tags
Øyvind Kolås [Mon, 2 Jul 2018 14:03:43 +0000 (16:03 +0200)]
post-release version bump
Øyvind Kolås [Mon, 2 Jul 2018 13:42:15 +0000 (15:42 +0200)]
release 0.1.52
Øyvind Kolås [Mon, 2 Jul 2018 13:41:59 +0000 (15:41 +0200)]
export-symbols: export babl_trc
Øyvind Kolås [Mon, 2 Jul 2018 13:41:01 +0000 (15:41 +0200)]
NEWS: update
Ell [Mon, 25 Jun 2018 13:29:08 +0000 (09:29 -0400)]
babl-palette: fix default palette double-data size
Øyvind Kolås [Sun, 24 Jun 2018 09:56:18 +0000 (11:56 +0200)]
babl: fix trc registrationof ACES spaces
Øyvind Kolås [Sat, 23 Jun 2018 20:32:20 +0000 (22:32 +0200)]
babl: predefine ACEScg and ACES2065-1 BablSpaces
Øyvind Kolås [Thu, 21 Jun 2018 12:49:12 +0000 (14:49 +0200)]
tests: add format_with_space test
Testing that both R'G'B' formats and CIE Lab float keep the space they have
been created with.
Øyvind Kolås [Wed, 20 Jun 2018 19:04:46 +0000 (21:04 +0200)]
babl: refactor format registration to loop over types
Also register full set of R~G~B~ and Y~ formats for all the types.
Øyvind Kolås [Wed, 20 Jun 2018 18:43:53 +0000 (20:43 +0200)]
babl: add ~ variants to gray color models
We do not add premultiplied sRGB trc variants even if this exists for RGB
since it is the type of premultiplied alpha cairo expects. The less code
that does non-linear compositing the better, excluding some possibilities
also reduces the combinatorial overhead of finding conversion paths in babl.
Øyvind Kolås [Wed, 20 Jun 2018 10:33:28 +0000 (12:33 +0200)]
babl: add R~G~B~ color models and pixel formats
From a given BablSpace which defines RGB chromaticities and
per component TRCs, the following are the defined formats:
R'G'B' with the TRCs applied
RGB linear data
and now a new one
R~G~B~ with the sRGB TRC, this permits any BablSpace to be the
native format of a buffer in an application while having both
a 'perceptual' in R~G~B~ and linear in RGB that is possible
to derive from it. Importantly it is also possible to recover
the babl space used to create the buffer.
Øyvind Kolås [Wed, 20 Jun 2018 17:35:43 +0000 (19:35 +0200)]
babl: clarify internal gray babl-id enums
Use GRAY_LINEAR and GRAY_NONLINEAR making the introduction of PERCEPTUAL
easier.
Øyvind Kolås [Wed, 20 Jun 2018 10:55:55 +0000 (12:55 +0200)]
babl: remove outdated comment
Øyvind Kolås [Tue, 19 Jun 2018 17:29:48 +0000 (19:29 +0200)]
babl: rename functions that used to refer to specific gamma
The definitions of components and formats for linear and nonlinear formats in
model-rgb and model-gray are now using the TRC of a BablSpace, thus in the
format syntax ' now means nonlinear, not sRGB / 2.2 gamma - even though it ends
up meaning that for formats create without specifying the space.
Ell [Thu, 14 Jun 2018 06:16:08 +0000 (02:16 -0400)]
babl-palette: warn when trying to create a palette with > 256 colors
... and only use the first 256 colors.
Ell [Thu, 14 Jun 2018 05:54:52 +0000 (01:54 -0400)]
babl-fish: fix concurrent babl_fish()/process() calls with palette formats
In babl_fish(), don't call _babl_fish_rig_dispatch() on existing
path fishes during each lookup. We already call this function on
all path fishes upon creation (in particular, after commit
b34a9672c8c9a42923a8f0b2650af30b1efe635c), so this isn't necessary.
This fixes an issue where the _babl_fish_rig_dispatch() call in
babl_fish() would temporarily modify the value of babl->fish.data,
causing a concurrent babl_process[_rows]() call in another thread
to pass the wrong 'data' value down to the conversion function. In
particular, this could cause palette conversions to segfault.
Elle Stone [Sat, 9 Jun 2018 17:18:43 +0000 (19:18 +0200)]
babl: fix fixed to double conversions
See issue #18 https://gitlab.gnome.org/GNOME/babl/issues/18
Øyvind Kolås [Sat, 9 Jun 2018 17:11:26 +0000 (19:11 +0200)]
babl-space: babl_space_new_from_chromaticities add equalize_matrix argument
Part of the problem in issue #18
This API is internal only for now so we can change it, changing to use a
hard-coded pre-quantized chromaticities set for the internal sRGB space.
This preserve the gray axis matrix equalization performed for other spaces used
with babl, ideally we can improve the gray-axis equalization to match and
return to using it also for sRGB.
Ell [Wed, 30 May 2018 10:01:27 +0000 (06:01 -0400)]
babl-palette: warn when trying to create a 0-color palette
In babl_palette_set_palette(), fall back to the default palette,
and log a warning, when trying to create a palette with < 1 colors.
Ell [Wed, 30 May 2018 09:45:17 +0000 (05:45 -0400)]
babl-memory: allow babl_malloc(0) to succeed
Allow a babl_malloc() call with size == 0 to succeed, returning a
dummy allocation, instead of asserting on this condition. The new
babl-palette code tries to allocate an empty buffer for the radii
array when creating a single-color palette, which would previously
lead to a crash.
Ell [Fri, 25 May 2018 12:52:47 +0000 (08:52 -0400)]
babl-palette: fix default-palette radii array size
Ell [Thu, 24 May 2018 14:55:17 +0000 (10:55 -0400)]
babl-palette: make default palette initialization thread-safe
... and allocate its radii statically.
Øyvind Kolås [Sun, 20 May 2018 08:49:52 +0000 (10:49 +0200)]
post release version bump
Øyvind Kolås [Sun, 20 May 2018 08:45:46 +0000 (10:45 +0200)]
release 0.1.50
Edward E [Sun, 1 Apr 2018 06:23:45 +0000 (01:23 -0500)]
Fix an unimportant typo
What's in a name? S.E.P.
Ell [Sat, 19 May 2018 12:28:19 +0000 (08:28 -0400)]
tests: fix palette-concurrency-stress-test
Fix palette-concurrency-stress-test to accommodate the change to a
gamma-corrected 8-bit format (commit
fabcc6729ed453fb5c5affc565d0e837a78afc5c), and to little-endian
hash indices (commit
55ca45c8233af138d3fd388587b203d802b8396c).
The test should pass regardless, it simply didn't actually test for
the intended issue previously.
Øyvind Kolås [Sat, 19 May 2018 11:35:04 +0000 (13:35 +0200)]
tools: code around gcc warning about 0 length format string
John Marshall [Sat, 19 May 2018 11:08:12 +0000 (12:08 +0100)]
Meson build: fixes for windows build
John Marshall [Sat, 19 May 2018 10:53:51 +0000 (11:53 +0100)]
Meson build: generate png image files for docs