[Mesa-dev] [Bug 105232] piglit regressions and crashes from gbm alpha masks

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=105232

Mark Janes  changed:

   What|Removed |Added

 Status|NEW |RESOLVED
 Resolution|--- |NOTABUG

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[Mesa-dev] [Bug 105232] piglit regressions and crashes from gbm alpha masks

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=105232

--- Comment #2 from Daniel Stone  ---
(In reply to Ilia Mirkin from comment #1)
> Theory: The tests didn't run prior to this commit because of the format
> matching fail, since the original commit that broke argb8 formats,
> 2ed344645d65. They have now started running again and are as broken now as
> they were prior to that commit.
> 
> Mark, does that theory hold water?

Any idea?

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[Mesa-dev] [Bug 105232] piglit regressions and crashes from gbm alpha masks

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=105232

--- Comment #1 from Ilia Mirkin  ---
Theory: The tests didn't run prior to this commit because of the format
matching fail, since the original commit that broke argb8 formats,
2ed344645d65. They have now started running again and are as broken now as they
were prior to that commit.

Mark, does that theory hold water?

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[Mesa-dev] [Bug 105232] piglit regressions and crashes from gbm alpha masks

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=105232

Bug ID: 105232
   Summary: piglit regressions and crashes from gbm alpha masks
   Product: Mesa
   Version: git
  Hardware: Other
OS: All
Status: NEW
  Keywords: bisected, regression
  Severity: normal
  Priority: medium
 Component: Mesa core
  Assignee: e...@anholt.net
  Reporter: mark.a.ja...@intel.com
QA Contact: mesa-dev@lists.freedesktop.org
CC: dan...@fooishbar.org, imir...@alum.mit.edu

Most i965 platforms fail 3 tests after 
880573e7370b866c94513f59ad0bb0b10660643f
Author: Eric Anholt 

gbm: Fix the alpha masks in the GBM format table.

Once GBM started looking at the values of the alpha masks, ARGB/ABGR
wouldn't match any more because we had both A and R in the low bits.

Fixes: 2ed344645d65 ("gbm/dri: Add RGBA masks to GBM format table")
Reviewed-by: Ilia Mirkin 
Reviewed-by: Daniel Stone 

piglit.fast_color_clear.fcc-front-buffer-distraction.kblm32
piglit.spec.oes_packed_depth_stencil.depth_stencil texture gles1.kblm32
piglit.spec.!opengl 1_0.gl-1_0-swapbuffers-behavior.kblm32

Sample output:
/tmp/build_root/m32/lib/piglit/bin/oes_packed_depth_stencil-depth-stencil-texture_gles1
-auto -fbo
Testing glTexImage with GL_DEPTH_STENCIL...
Unexpected GL error: GL_INVALID_OPERATION 0x502
(Error at ../tests/spec/ext_packed_depth_stencil/depth-stencil-texture.c:308)

i915 platforms have more regressions (34 on g33).

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