[Bug 81406] New: [ILK/SNB]Piglit spec_ARB_shader_texture_lod_execution_tex-miplevel-selection_*GradARB_2DRect fails

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=81406

          Priority: medium
            Bug ID: 81406
          Assignee: idr at freedesktop.org
           Summary: [ILK/SNB]Piglit
                    spec_ARB_shader_texture_lod_execution_tex-miplevel-sel
                    ection_*GradARB_2DRect 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

System Environment:
--------------------------
Platform: Sandybridge
Libdrm:       
(master)libdrm-2.4.54-17-ge8c3c1358ecaf4e90f7d43762357ae6f8e2022b6
Mesa:        (master)e945a19b35025c962131b2c4b7393461445f08f2
Xserver:   
(master)xorg-server-1.15.99.902-121-g2f5cf9ff9a0f713b7e038636484c77f113a5f10a
Xf86_video_intel:(master)2.99.912-229-ge0523ade28fa0da00d0bd70d8b22d53ed4e49f73
Libva:        (master)c61d8c6ce9ffc27320e9e177c1e1123d5f1b5014
Libva_intel_driver:(master)c5cb17ea86f0065a939d3636dd26651c93d497c8
kernel (drm-intel-nightly)2a38e1bcd4dc9523cd723291340226d139bece1b

Bug detailed description:
------------------------- 
This new case fails on ILK and SNB with mesa master branch, works well on 10.2
branch.
Following cases also fail:
spec_ARB_shader_texture_lod_execution_tex-miplevel-selection_*ProjGradARB_2DRect
spec_ARB_shader_texture_lod_execution_tex-miplevel-selection_*ProjGradARB_2DRect_ProjVec4

output:
Failure:
  Expected level: 0
  Observed: wrong layer/face/slice or wrong level or wrong offset
  Fetch level: 0, baselevel: 0, maxlevel: 0, minlod: 0, maxlod: 0, bias: 0,
mipfilter: no
Summary: 0/1 passed
PIGLIT: {"result": "fail" }

Reproduce steps:
-------------------------
1. xinit
2. bin/tex-miplevel-selection *GradARB 2DRect -fbo -auto

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