[Bug 89057] New: [IVB 10.4]Piglit spec_ARB_gpu_shader5_arb_gpu_shader5-interpolateAtOffset-nonconst fails

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=89057

            Bug ID: 89057
           Summary: [IVB 10.4]Piglit
                    spec_ARB_gpu_shader5_arb_gpu_shader5-interpolateAtOffs
                    et-nonconst fails
           Product: Mesa
           Version: 10.4
          Hardware: All
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/DRI/i965
          Assignee: idr at freedesktop.org
          Reporter: huax.lu at intel.com
        QA Contact: intel-3d-bugs at lists.freedesktop.org

System Environment:
--------------------------
Platform: IVB
Libdrm:        
(master)libdrm-2.4.59-8-gccbb9aa887f992359335ecf2d26919b04e14e63f
Mesa:           (10.4)54da987baec25fbaf6975c93f197ddbfe65a303c
Xserver:    
(server-1.16-branch)xorg-server-1.16.3-6-g0722a8043c89e7224c398eef270611cc65c1e219
Xf86_video_intel:  
(master)2.99.917-100-g5b033d638bbf2c0b841088ca75f9eb8de5852cb5
Libva:          (master)f9741725839ea144e9a6a1827f74503ee39946c3
Libva_intel_driver:     (master)9a20d6c34cb65e5b85dd16d6c8b3a215c5972b18

Bug detailed description:
---------------------------
It fails on mesa 10.4 branch, works well on master branch. In earlier
automation testing, it pass, but I am unable to reproduce the pass.

output:
libGL: screen 0 does not appear to be DRI3 capable
libGL: pci id for fd 4: 8086:0152, driver i965
libGL: OpenDriver: trying /opt/X11R7/lib/dri/tls/i965_dri.so
libGL: OpenDriver: trying /opt/X11R7/lib/dri/i965_dri.so
Probe color at (3,0)
  Expected: 0.000000 1.000000 0.000000
  Observed: 0.000000 0.764706 0.000000
PIGLIT: {"result": "fail" }


output on master:
libGL: OpenDriver: trying /opt/X11R7/lib/dri/tls/i965_dri.so
libGL: OpenDriver: trying /opt/X11R7/lib/dri/i965_dri.so
PIGLIT: {"result": "pass" }

==Reproduce steps==
---------------------------- 
1. xinit
2. bin/arb_gpu_shader5-interpolateAtOffset-nonconst -auto -fbo

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