[Bug 81828] New: [BDW Bisected]Ogles3conform GL3Tests_packed_pixels_packed_pixels_pbo.test fails

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=81828

          Priority: high
            Bug ID: 81828
          Assignee: idr at freedesktop.org
           Summary: [BDW Bisected]Ogles3conform
                    GL3Tests_packed_pixels_packed_pixels_pbo.test fails
        QA Contact: intel-3d-bugs at lists.freedesktop.org
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: huax.lu at intel.com
          Hardware: All
            Status: NEW
           Version: unspecified
         Component: Drivers/DRI/i965
           Product: Mesa

Created attachment 103573
  --> https://bugs.freedesktop.org/attachment.cgi?id=103573&action=edit
output

System Environment:
--------------------------
Platform:         BDW
Libdrm:        (master)libdrm-2.4.55
Mesa:        (master)74e100affc0ac1bced4787067274579d8f0d137f
Xserver:   
(master)xorg-server-1.15.99.902-121-g2f5cf9ff9a0f713b7e038636484c77f113a5f10a
Xf86_video_intel:(master)2.99.914-5-gcac1548a9c48db4707fc3c885b1ea568ae2fbc54
Libva:        (master)3fddb7f937df4e0e15391bd65ae3c7552ea5b3d7
Libva_intel_driver:(master)82d2ed8d7da3619c0ea467c06604f5626fc0b901
Kernel:  (drm-intel-nightly)e967a525207bd40ab446e2f809907039f88e66f3

Bug detailed description:
-------------------------
It fails on BDW with Mesa master branch, works well on 10.2 branch.
GL3Tests_packed_pixels_packed_pixels_pixelstore.test also fails.

Bisect shows:05b52efbc977311c96ba31ac5fa2c95fe525d85e is the first bad commit.
commit 05b52efbc977311c96ba31ac5fa2c95fe525d85e
Author:     Neil Roberts <neil at linux.intel.com>
AuthorDate: Fri Jul 4 15:37:28 2014 +0100
Commit:     Neil Roberts <neil at linux.intel.com>
CommitDate: Wed Jul 23 11:50:38 2014 +0100

    meta: Add a state flag for the GL_DITHER

    The Meta implementation of glClearTexSubImage is going to want to ensure
tha
    dithering is disabled so that it can get a consistent color across the
whole
    texture when clearing. This adds a state flag to easily save it and set it
t
    the default value when performing meta operations.

    Reviewed-by: Topi Pohjolainen <topi.pohjolainen at intel.com>

Reproduce steps:
---------------------------- 
1.  xinit
2.  ./GTF -width=64 -height=64
-run=GL3Tests/packed_pixels/packed_pixels_pbo.test

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