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

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Sun Jul 27 22:33:31 PDT 2014


          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

System Environment:
Platform:         BDW
Libdrm:        (master)libdrm-2.4.55
Mesa:        (master)74e100affc0ac1bced4787067274579d8f0d137f
Libva:        (master)3fddb7f937df4e0e15391bd65ae3c7552ea5b3d7
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
    dithering is disabled so that it can get a consistent color across the
    texture when clearing. This adds a state flag to easily save it and set it
    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

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