[Bug 93338] [BXT SKL regression] piglit.spec.ext_packed_float.multisample-fast-clear gl_ext_packed_float

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=93338

            Bug ID: 93338
           Summary: [BXT SKL regression]
                    piglit.spec.ext_packed_float.multisample-fast-clear
                    gl_ext_packed_float
           Product: Mesa
           Version: git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/DRI/i965
          Assignee: idr at freedesktop.org
          Reporter: mark.a.janes at intel.com
        QA Contact: intel-3d-bugs at lists.freedesktop.org

d04612b60d98ff785646affaffc3d7243deecb74 regressed this on bxt/skl

Author:     Jordan Justen <jordan.l.justen at intel.com>
AuthorDate: Wed Sep 2 15:47:33 2015 -0700
Commit:     Jordan Justen <jordan.l.justen at intel.com>
CommitDate: Wed Dec 9 23:50:38 2015 -0800

    i965: Enable ARB_compute_shader extension on supported hardware

    Enable ARB_compute_shader on gen7+, on hardware that supports the
    OpenGL 4.3 requirements of a local group size of 1024.

    With SIMD16 support, this is limited to Ivy Bridge and Haswell.

    Broadwell will work with a local group size up to 896 on SIMD16
    meaning programs that use this size or lower should run when setting
    MESA_EXTENSION_OVERRIDE=GL_ARB_compute_shader.

    Signed-off-by: Jordan Justen <jordan.l.justen at intel.com>
    Reviewed-by: Iago Toral Quiroga <itoral at igalia.com>
    Reviewed-by: Kristian Høgsberg <krh at bitplanet.net>

/tmp/build_root/m64/lib/piglit/bin/ext_framebuffer_multisample-fast-clear
GL_EXT_packed_float -auto -fbo
Using test set: GL_EXT_packed_float
Testing GL_R11F_G11F_B10F_EXT
Probe color at (0,0)
  Expected: 0.000000 0.000000 0.250000 1.000000
  Observed: -2.000000 0.000000 0.250000 1.000000
Probe color at (0,0)
  Expected: 0.000000 0.000000 0.250000 1.000000
  Observed: -0.500000 0.000000 0.250000 1.000000

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