[Mesa-dev] [Bug 65874] New: piglit ext_transform_feedback-intervening-read output regression

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=65874

          Priority: medium
            Bug ID: 65874
          Keywords: regression
                CC: zackr at vmware.com
          Assignee: mesa-dev at lists.freedesktop.org
           Summary: piglit ext_transform_feedback-intervening-read output
                    regression
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: vlee at freedesktop.org
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: git
         Component: Mesa core
           Product: Mesa

mesa: eb2021507556633cd6ba64cda26653e3c43e80df (master)

$ ./bin/ext_transform_feedback-intervening-read output -auto
Read incorrect data for vertex 0.
Readback: position=(0.000000, -1.000000, 0.000000, 1.000000), color=(0.000000,
0.000000, 1.000000, 1.000000)
Expected: position=(-1.000000, -1.000000, 0.000000, 1.000000), color=(1.000000,
1.000000, 0.000000, 1.000000)
Read incorrect data for vertex 1.
Readback: position=(1.000000, -1.000000, 0.000000, 1.000000), color=(0.000000,
0.000000, 1.000000, 1.000000)
Expected: position=(0.000000, -1.000000, 0.000000, 1.000000), color=(1.000000,
1.000000, 0.000000, 1.000000)
Read incorrect data for vertex 2.
Readback: position=(0.000000, 1.000000, 0.000000, 1.000000), color=(0.000000,
0.000000, 1.000000, 1.000000)
Expected: position=(-1.000000, 1.000000, 0.000000, 1.000000), color=(1.000000,
1.000000, 0.000000, 1.000000)
Read incorrect data for vertex 3.
Readback: position=(0.000000, 1.000000, 0.000000, 1.000000), color=(0.000000,
0.000000, 1.000000, 1.000000)
Expected: position=(-1.000000, 1.000000, 0.000000, 1.000000), color=(1.000000,
1.000000, 0.000000, 1.000000)
Read incorrect data for vertex 4.
Readback: position=(1.000000, -1.000000, 0.000000, 1.000000), color=(0.000000,
0.000000, 1.000000, 1.000000)
Expected: position=(0.000000, -1.000000, 0.000000, 1.000000), color=(1.000000,
1.000000, 0.000000, 1.000000)
Read incorrect data for vertex 5.
Readback: position=(1.000000, 1.000000, 0.000000, 1.000000), color=(0.000000,
0.000000, 1.000000, 1.000000)
Expected: position=(0.000000, 1.000000, 0.000000, 1.000000), color=(1.000000,
1.000000, 0.000000, 1.000000)
Read incorrect data for vertex 6.
Readback: position=(12345.000000, 12345.000000, 12345.000000, 12345.000000),
color=(12345.000000, 12345.000000, 12345.000000, 12345.000000)
Expected: position=(0.000000, -1.000000, 0.000000, 1.000000), color=(0.000000,
0.000000, 1.000000, 1.000000)
Read incorrect data for vertex 7.
Readback: position=(12345.000000, 12345.000000, 12345.000000, 12345.000000),
color=(12345.000000, 12345.000000, 12345.000000, 12345.000000)
Expected: position=(1.000000, -1.000000, 0.000000, 1.000000), color=(0.000000,
0.000000, 1.000000, 1.000000)
Read incorrect data for vertex 8.
Readback: position=(12345.000000, 12345.000000, 12345.000000, 12345.000000),
color=(12345.000000, 12345.000000, 12345.000000, 12345.000000)
Expected: position=(0.000000, 1.000000, 0.000000, 1.000000), color=(0.000000,
0.000000, 1.000000, 1.000000)
PIGLIT: {'result': 'fail' }

41966fdb3b71c0b70aeb095e0eb3c5626c144a3a is the first bad commit
commit 41966fdb3b71c0b70aeb095e0eb3c5626c144a3a
Author: Zack Rusin <zackr at vmware.com>
Date:   Thu Jun 13 17:57:47 2013 -0400

    draw: clear the draw buffers in draw

    Moves clearing of the draw so target buffers to the draw
    module. They had to be cleared in the drivers before
    which was quite messy.

    Signed-off-by: Zack Rusin <zackr at vmware.com>
    Reviewed-by: Jose Fonseca <jfonseca at vmware.com>
    Reviewed-by: Brian Paul <brianp at vmware.com>

:040000 040000 c836c139da6f4f91be2b86bc65f9e1ccc3bc3e14
1de6a5310e52318edaba24ceba214c29c2e78e6a M    src
bisect run success

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