[Mesa-dev] [Bug 96517] [llvmpipe] piglit arb_uniform_buffer_object-rendering-dsa regression

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=96517

            Bug ID: 96517
           Summary: [llvmpipe] piglit
                    arb_uniform_buffer_object-rendering-dsa regression
           Product: Mesa
           Version: git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Keywords: bisected, regression
          Severity: normal
          Priority: medium
         Component: Mesa core
          Assignee: mesa-dev at lists.freedesktop.org
          Reporter: vlee at freedesktop.org
        QA Contact: mesa-dev at lists.freedesktop.org
                CC: imirkin at alum.mit.edu, prefect_ at gmx.net

mesa: 4825264f75c83576f251290547f121f066b46a70 (master 12.1.0-devel)


$ ./bin/arb_uniform_buffer_object-rendering-dsa -auto
GL_UNIFORM_BUFFER_OFFSET_ALIGNMENT = 16
UBO ub_pos_size: index = 1, size = 16
UBO ub_color: index = 2, size = 32
UBO ub_rot: index = 0, size = 16
Probe color at (120,40)
  Expected: 0.000000 1.000000 0.000000 0.250000
  Observed: 1.000000 0.000000 0.000000 0.501961
Probe color at (40,120)
  Expected: 0.000000 0.000000 1.000000 0.200000
  Observed: 1.000000 0.000000 0.000000 0.501961
Probe color at (120,120)
  Expected: 1.000000 1.000000 1.000000 1.000000
  Observed: 1.000000 0.000000 0.000000 0.501961
PIGLIT: {"result": "fail" }


6e6fd911da8a1d9cd62fe0a8a4cc0fb7bdccfe02 is the first bad commit
commit 6e6fd911da8a1d9cd62fe0a8a4cc0fb7bdccfe02
Author: Ilia Mirkin <imirkin at alum.mit.edu>
Date:   Sat Jun 4 13:26:46 2016 -0400

    st/mesa: use buffer usage history to set dirty flags for revalidation

    We were previously unconditionally doing this for arrays and ubo's, and
    ignoring texture/storage/atomic buffers. Instead use the usage history
    to determine which atoms need to be revalidated.

    Signed-off-by: Ilia Mirkin <imirkin at alum.mit.edu>
    Reviewed-by: Nicolai Hähnle <nicolai.haehnle at amd.com>
    Cc: "12.0" <mesa-stable at lists.freedesktop.org>

:040000 040000 8376e8592f88901d5100ed9cea8ee9d38162bbca
09bc7466f259ab6c0094f1368660f6b9ef25c481 M      src
bisect run success

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