Results for spec@arb_gpu_shader5@texturegatheroffset@fs-r-none-shadow-2d

Failed to compile fragment shader: ERROR: 0:9: Use of undeclared identifier 'gl_FragColor'
ERROR: 0:9: Argument 4 to function 'textureGatherOffset' must be a constant expression

source:
#version 150
#extension GL_ARB_texture_gather: require
#extension GL_ARB_gpu_shader5: require

uniform sampler2DShadow s;
uniform ivec2 o1,o2;

void main() {
	gl_FragColor = vec4(1) * textureGatherOffset(s, gl_FragCoord.xy / textureSize(s, 0).xy , 0.5 , o1+o2 );
}

PIGLIT_SOURCE_DIR="/Users/vlee/workspace/piglit" PIGLIT_PLATFORM="mixed_glx_egl"