[Bug 89314] New: [HSW, regression, bisected] i965/pixel_read: Use meta_pbo_GetTexSubImage for PBO ReadPixels (ef0499af255ecd)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=89314

            Bug ID: 89314
           Summary: [HSW, regression, bisected] i965/pixel_read: Use
                    meta_pbo_GetTexSubImage for PBO ReadPixels
                    (ef0499af255ecd)
           Product: Mesa
           Version: git
          Hardware: Other
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/DRI/i965
          Assignee: idr at freedesktop.org
          Reporter: siglesias at igalia.com
        QA Contact: intel-3d-bugs at lists.freedesktop.org

The following dEQP test starts to fail after commit ef0499af255ecd landed in
master branch:

   dEQP-GLES3.functional.pbo.renderbuffer.rgb10_a2_triangles

Steps to reproduce it:

$ cd <deqp-home>
$ cd modules/gles3
$ ./deqp-gles3 -n dEQP-GLES3.functional.pbo.renderbuffer.rgb10_a2_triangles

This is the commit log:

commit ef0499af255ecd3a9abbd350ace5e00a744adc00
Author: Jason Ekstrand <jason.ekstrand at intel.com>
Date:   Mon Jan 12 16:20:27 2015 -0800

    i965/pixel_read: Use meta_pbo_GetTexSubImage for PBO ReadPixels

    Since the meta path can do strictly more than the blitter path, we just
    remove the blitter path entirely.

    Reviewed-by: Neil Roberts <neil at linux.intel.com>

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