gl renderer: Don't render opacity nodes offscreen
authorTimm Bäder <mail@baedert.org>
Thu, 7 Dec 2017 16:30:02 +0000 (17:30 +0100)
committerTimm Bäder <mail@baedert.org>
Thu, 21 Dec 2017 18:12:32 +0000 (19:12 +0100)
commitab53ee737739284e2b8b6a3e5b0021d4a61f7540
treeb8fd80d82c2869ec340c9a649f02e6fa240c43b9
parentac6b7b24f9331b299d87186ca3b1e2f71748599f
gl renderer: Don't render opacity nodes offscreen

We already drag a u_alpha uniform around in every shader, so use that
one.
gsk/gl/gskglrenderer.c
gsk/gl/gskglrenderops.c
gsk/gl/gskglrenderopsprivate.h