[Mesa-dev] [Bug 92265] Black windows in weston after update mesa to 11.0.2-1

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=92265

--- Comment #17 from Eduardo Lima Mitev <elima at igalia.com> ---
I just sent for review a piglit test that checks that the combination of
internalFormat=GL_BGRA_EXT, format=GL_BGRA_EXT and type=GL_UNSIGNED_BYTE is
valid on TexImageXD and TexSubImageXD, as specified by the extension
<https://www.khronos.org/registry/gles/extensions/EXT/EXT_texture_format_BGRA8888.txt>:

http://lists.freedesktop.org/archives/piglit/2015-October/017535.html

This should prevent this regression in the future.

However, this test doesn't pass on master because current handling of GL_BGRA
format allows for this invalid combination (which is checked in the test):

internalFormat=GL_RGBA format=GL_BGRA_EXT and type=GL_UNSIGNED_BYTE

or

internalFormat=GL_BGRA_EXT format=GL_RGBA and type=GL_UNSIGNED_BYTE

So I also sent a patch to mesa-dev that improves this and make the test pass: 

http://lists.freedesktop.org/archives/mesa-dev/2015-October/097211.html

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