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/* [config]
* expect_result: fail
* glsl_version: 1.10
* require_extensions: GL_ARB_fragment_coord_conventions
* check_link: false
* [end config]
*/
/*
* Section 4.3.x.1 (Input Layout Qualifiers) of the
* ARB_fragment_coord_conventions spec says:
*
* "Within any shader, the first redeclarations of gl_FragCoord must appear
* before any use of gl_FragCoord."
*/
#version 110
#extension GL_ARB_fragment_coord_conventions : require
vec2 a = gl_FragCoord.xy;
in vec4 gl_FragCoord; //redeclaration after use should be illegal
void main()
{
gl_FragColor = gl_FragCoord.xyzz;
}
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