[Bug 84078] New: [BSW]Piglit spec_glsl-1.50_uniform_buffer_gs-mat3x4 fails

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=84078

          Priority: medium
            Bug ID: 84078
          Assignee: idr at freedesktop.org
           Summary: [BSW]Piglit spec_glsl-1.50_uniform_buffer_gs-mat3x4
                    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: BSW
Libdrm:       
(master)libdrm-2.4.56-26-gae8edc7544e566084f7b958eb93c9109b471ca30
Mesa:        (master)71d4fc88d6b97d6b9a8f1a324d2dcd0c56b79f3d
Xserver:   
(master)xorg-server-1.16.0-317-geaee6572beefca240c42791f9a3a6e547bedd410
Xf86_video_intel:(master)2.99.916-47-g2a4855a633f42d90e11f5c51342c514c2dc24307
Libva:        (master)e0d25ece01e7aba819c910e98c4fb4706cdab055
Libva_intel_driver:(master)bc2e06ef0f89b264fe968fbff4f06e425385c3d8
Kernel:   (drm-intel-nightly)3e5e5913a80f593aa8f67784220eac2658034c6c

Bug detailed description:
---------------------------
Following new cases only fail on BSW with mesa master branch, they work well on
BDW.
spec_glsl-1.50_uniform_buffer_gs-mat3x4
spec_glsl-1.50_uniform_buffer_gs-mat3x4-row-major
spec_glsl-1.50_uniform_buffer_gs-mat4x3
spec_glsl-1.50_uniform_buffer_gs-mat4x3-row-major
spec_glsl-1.50_uniform_buffer_struct_base_alignment

run bin/shader_runner
tests/spec/glsl-1.50/uniform_buffer/gs-mat3x4-row-major.shader_test -auto
output:
Probe color at (0,0)
  Expected: 0.250000 0.500000 0.750000 1.000000
  Observed: 0.000000 0.000000 0.000000 0.000000
PIGLIT: {"result": "fail" }

Reproduce steps:
-------------------------
1. xinit
2. bin/shader_runner
tests/spec/glsl-1.50/uniform_buffer/gs-mat3x4-row-major.shader_test -auto

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