https://bugs.freedesktop.org/show_bug.cgi?id=42385
Bug #: 42385
Summary: VG_COLOR_TRANSFORM ignores alpha channel if egl config
is without alpha for drawing paths
Classification: Unclassified
Product: Mesa
Version: git
Platform: x86 (IA32)
OS/Version: Windows (All)
Status: NEW
Severity: normal
Priority: medium
Component: Other
AssignedTo: mesa-dev@lists.freedesktop.org
ReportedBy: andreas.b...@elektrobit.com
If you set the egl config like the following:
conflist[i++] = EGL_RED_SIZE;
conflist[i++] = 8;
conflist[i++] = EGL_GREEN_SIZE;
conflist[i++] = 8;
conflist[i++] = EGL_BLUE_SIZE;
conflist[i++] = 8;
conflist[i++] = EGL_ALPHA_SIZE;
conflist[i++] = 0;
And you try to transform with a color (like 0x11223344) then the alpha part of
it is skipped.
This is in contrary to the Khronos reference implementation.
(I have to admit for images it seems to work nearly correctly - i will make
another ticket for an other issue.)
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