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

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Sat Feb 24 08:51:56 UTC 2018


            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: eric at anholt.net
          Reporter: mark.a.janes at intel.com
        QA Contact: mesa-dev at lists.freedesktop.org
                CC: daniel at fooishbar.org, imirkin at alum.mit.edu

Most i965 platforms fail 3 tests after 
Author:     Eric Anholt <eric at anholt.net>

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 <imirkin at alum.mit.edu>
Reviewed-by: Daniel Stone <daniels at collabora.com>

    piglit.spec.oes_packed_depth_stencil.depth_stencil texture gles1.kblm32
    piglit.spec.!opengl 1_0.gl-1_0-swapbuffers-behavior.kblm32

Sample output:
-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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