[Mesa-dev] [Bug 74911] New: [swrast] piglit glsl-lod-bias regression

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=74911

          Priority: medium
            Bug ID: 74911
          Keywords: regression
                CC: eric at anholt.net, idr at freedesktop.org
          Assignee: mesa-dev at lists.freedesktop.org
           Summary: [swrast] piglit glsl-lod-bias regression
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: vlee at freedesktop.org
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: git
         Component: Mesa core
           Product: Mesa

mesa: 76f95ba2721ec3214e39711a991b510bdb3c5a36 (master)


$ ./bin/glsl-lod-bias -auto
Mesa 10.2.0-devel implementation error: meta program compile failed:
0:6(12): error: value of type vec3 cannot be assigned to variable of type vec4

source:
attribute vec2 position;
attribute vec3 textureCoords;
varying vec4 texCoords;
void main()
{
   texCoords = textureCoords;
   gl_Position = vec4(position, 0.0, 1.0);
}


Please report at https://bugs.freedesktop.org/enter_bug.cgi?product=Mesa
Mesa: User error: GL_INVALID_VALUE in glAttachShader
Probe color at (75,2)
  Expected: 0.000000 1.000000 0.000000
  Observed: 0.447059 0.639216 0.466667
Probe color at (157,2)
  Expected: 0.600000 0.600000 0.600000
  Observed: 0.509804 0.533333 0.525490
Probe color at (207,2)
  Expected: 0.000000 1.000000 0.000000
  Observed: 0.600000 0.600000 0.600000
Probe color at (273,2)
  Expected: 0.000000 1.000000 0.000000
  Observed: 0.600000 0.600000 0.600000
PIGLIT: {'result': 'fail' }


10f7c544772a4b0b1f69d8e9fe4efd593c94418b is the first bad commit
commit 10f7c544772a4b0b1f69d8e9fe4efd593c94418b
Author: Ian Romanick <ian.d.romanick at intel.com>
Date:   Mon Dec 16 15:35:02 2013 -0800

    meta: Expand texture coordinate from vec3 to vec4

    This will be necessary to support cubemap array textures because they
    use all four components.

    Signed-off-by: Ian Romanick <ian.d.romanick at intel.com>
    Reviewed-by: Eric Anholt <eric at anholt.net>

:040000 040000 ab6708f31712fcfee8ba025fa236cd320d04bad2
fc1619427d93f0c69b76766909e080dac19fb4b4 M    src
bisect run success

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