[Mesa-dev] [Bug 58326] New: [llvmpipe] piglit glean depthStencil regression

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=58326

          Priority: medium
            Bug ID: 58326
                CC: maraeo at gmail.com
          Assignee: mesa-dev at lists.freedesktop.org
           Summary: [llvmpipe] piglit glean depthStencil regression
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: vlee at freedesktop.org
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: git
         Component: Other
           Product: Mesa

mesa: 7d7a549fa03293ede1d1627be5bdb47c11677f87 (master)

Run piglit glean depthStencil.

The test previously passed but now results in a warning with the message
"cannot blit stencil, skipping".

$ ./bin/glean -r results -t depthStencil --quick
Mesa: User error: GL_INVALID_ENUM in glDrawPixels(invalid format
GL_DEPTH_STENCIL and/or type GL_UNSIGNED_INT)
Mesa: User error: GL_INVALID_OPERATION in glDrawPixels(invalid format
GL_DEPTH_COMPONENT and/or type GL_UNSIGNED_INT_24_8)
Mesa: User error: GL_INVALID_ENUM in glReadPixels(invalid format
GL_DEPTH_STENCIL and/or type GL_FLOAT)
Mesa: User error: GL_INVALID_OPERATION in glReadPixels(invalid format
GL_STENCIL_INDEX and/or type GL_UNSIGNED_INT_24_8)
llvmpipe: cannot blit stencil, skipping
llvmpipe: cannot blit stencil, skipping
depthStencil:  PASS rgba8, db, z24, s8, accrgba16, win+pmap, id 33

976b832e9ae199c0a89b0e04e93088da3c829307 is the first bad commit
commit 976b832e9ae199c0a89b0e04e93088da3c829307
Author: Marek Olšák <maraeo at gmail.com>
Date:   Mon Dec 3 17:34:58 2012 +0100

    st/mesa: implement CopyTexSubImage for MSAA framebuffers

    Reviewed-by: Brian Paul <brianp at vmware.com>

    Just use pipe->blit, which can do resolve, flipping, and format
conversions.
    The util_blit_pixels codepath is still there for the cases where we have to
    force alpha to 1.

    This also turns on acceleration for copying GL_DEPTH_STENCIL.

:040000 040000 18862accfba92d4eef9871995402af6b8105ed28
e8045e2d2c7e9a1ebd6eb1f22c93b97b9c3e8ce7 M      src
bisect run success

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