[Bug 88793] [BDW Bisected]Piglit/shaders_glsl-max-varyings fails

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=88793

--- Comment #4 from lu hua <huax.lu at intel.com> ---
(In reply to Matt Turner from comment #3)
> Created attachment 113420 [details] [review]
> reduce to 108 varyings to avoid VS spilling

Apply this patch, It still fails:
libGL: OpenDriver: trying /opt/X11R7/lib/dri/tls/i965_dri.so
libGL: OpenDriver: trying /opt/X11R7/lib/dri/i965_dri.so
libGL: Error in /etc/drirc line 1, column 0: no element found.
libGL: Error in /root/.drirc line 1, column 0: no element found.
libGL: Error in /etc/drirc line 1, column 0: no element found.
libGL: Error in /root/.drirc line 1, column 0: no element found.
Vertical axis: Increasing numbers of varyings.
Horizontal axis: Which of the varyings contains the color.
GL_MAX_VARYING_FLOATS = 128
Probe color at (90,94)
  Expected: 0.000000 1.000000 0.000000
  Observed: 0.501961 0.501961 0.501961
  Failure with 24 vec4 varyings used in varying index 22
Probe color at (90,98)
  Expected: 0.000000 1.000000 0.000000
  Observed: 0.501961 0.501961 0.501961
  Failure with 25 vec4 varyings used in varying index 22
Probe color at (2,102)
  Expected: 0.000000 1.000000 0.000000
  Observed: 0.000000 0.000000 0.000000
  Failure with 26 vec4 varyings used in varying index 0
Probe color at (6,106)
  Expected: 0.000000 1.000000 0.000000
  Observed: 0.000000 0.000000 0.000000
  Failure with 27 vec4 varyings used in varying index 1
Probe color at (2,110)
  Expected: 0.000000 1.000000 0.000000
  Observed: 1.000000 1.000000 0.000000
  Failure with 28 vec4 varyings used in varying index 0
Probe color at (6,114)
  Expected: 0.000000 1.000000 0.000000
  Observed: 0.000000 0.000000 0.000000
  Failure with 29 vec4 varyings used in varying index 1
Probe color at (2,118)
  Expected: 0.000000 1.000000 0.000000
  Observed: 0.501961 0.501961 0.501961
  Failure with 30 vec4 varyings used in varying index 0
Probe color at (6,122)
  Expected: 0.000000 1.000000 0.000000
  Observed: 0.000000 0.000000 0.000000
  Failure with 31 vec4 varyings used in varying index 1
Probe color at (2,126)
  Expected: 0.000000 1.000000 0.000000
  Observed: 1.000000 0.000000 0.000000
  Failure with 32 vec4 varyings used in varying index 0
PIGLIT: {"result": "fail" }

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