Attachment 97083 Details for Bug 70322 – Minimal shader_runner test to reproduce the issue

Minimal shader_runner test to reproduce the issue

bug-70322.shader_test (text/plain), 1.04 KB, created by Ian Romanick on 2014-04-08 16:17:31 UTC

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Creator: Ian Romanick

Created: 2014-04-08 16:17:31 UTC

Size: 1.04 KB

patch

obsolete

># Left side should be green, and the right side should be gray.  In the bug
># case, both slides will be slightly different shades of green.
>#
># If WORK_AROUND is defined in the vertex shader, correct results are produced.
>
>[require]
>GLSL >= 1.20
>
>[vertex shader]
>#version 120
>//#define WORK_AROUND
>
>attribute vec4 vertex;
>
>uniform bool flag;
>uniform float contrast;
>
>varying vec4 color;
>
>vec4 gray = vec4(0.4, 0.4, 0.4,
>#ifndef WORK_AROUND
>		 contrast
>#else
>		 1.0
>#endif
>		 );
>vec4 orange = vec4(1.0, 0.72, 0.0,
>#ifndef WORK_AROUND
>		 contrast
>#else
>		 1.0
>#endif
>		 );
>
>void main()
>{
>    color = gray;
>
>    // Changing this to !flag doesn't affect the output of the test.
>    if (flag)
>	color = orange;
>
>#ifdef WORK_AROUND
>    color.w = contrast;
>#endif
>
>    gl_Position = vertex;
>}
>
>[fragment shader]
>varying vec4 color;
>
>void main()
>{
>    // Swizzle the W around to get gray or green.
>    gl_FragColor = color.wyzw;
>}
>
>[test]
>uniform int flag 1
>uniform float contrast 0.1
>draw rect -1 -1 1 2
>
>uniform int flag 0
>uniform float contrast 0.4
>draw rect 0 -1 1 2

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Attachments on bug 70322: 87352 | 97083 | 97090 | 97091

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