[Ubuntu-x-swat] [Bug 1504387]

[Elima-d]

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
:

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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https://bugs.launchpad.net/bugs/1504387

Title:
  [regression] Software client windows appear all-black on wily desktop

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[Ubuntu-x-swat] [Bug 1504387]

[Elima-d]

(In reply to Mark Janes from comment #14)
> No piglit, dEQP, or CTS tests indicated this regression.  However, a major
> consumer of Mesa was debilitated due to this bug.
> 
> This bug cannot be marked fixed until there exists a piglit test which
> prevents future regressions of this type.

I agree we must have a piglit test for this to avoid regressions in the
future. I will provide one ASAP.

-- 
You received this bug notification because you are a member of Ubuntu-X,
which is subscribed to mesa in Ubuntu.
https://bugs.launchpad.net/bugs/1504387

Title:
  [regression] Software client windows appear all-black on wily desktop

To manage notifications about this bug go to:
https://bugs.launchpad.net/mesa/+bug/1504387/+subscriptions

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