[Mesa-dev] [PATCH 1/4] i965: Also examine _BaseFormat when deciding to perform xRGB_alpha fixups

Eric Anholt eric at anholt.net
Wed Jan 23 10:35:16 PST 2013

Carl Worth <cworth at cworth.org> writes:

> Carl Worth <cworth at cworth.org> writes:
>> Note: The test results mentioned here, (and in the following patches), expect
>> the fixes I recently submitted to the fbo-* tests in piglit. That series
>> consists of 5 patches starting with:
> While developing this patch series, I did most of my testing with the
> fbo-* tests mentioned above. I had meant to do a more-inclusive run of
> piglit tests before sending this series out, but I forgot to do that.
> I've just completed that testing and found the following two changes
> which are not mentioned in my emails for this patch series:
> 1. shaders/glsl-fs-user-varying-if

This is a broken test, and I thought I'd sent out a patch for it before.

> 2. EXT_texture_integer/texture_integer_glsl130
> 	This test changes from PASS to FAIL. The output is:
> 		Errors:
> 		texture-integer: failure with format GL_RG8I:
> 		  texture color = 71, 55, 112, 0
> 		  expected color = 0.25, 0.5, 0, 0
> 		  result color = 0.25098, 0.501961, 0, 1
> 	Again, I haven't looked at this test closely yet, but here, at
> 	least, the new results do seem consistent with my patch series,
> 	(alpha changing from 0 to 1 for an RG format). Perhaps the test
> 	should be updated?
> Any feedback from anyone with more knowledge of these two tests would be
> appreciated.

This test code is impenetrable, but the assumption has been that the
driver is at fault.
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