Results for spec@glsl-1.50@execution@geometry@end-primitive 32

Failed to compile fragment shader: ERROR: 0:10: Use of undeclared identifier 'gl_FragColor'

source:
#version 150

void main()
{
  int end_prim_offset = int(round((gl_FragCoord.z - 0.5) * 8.0));
  const vec4 colors[3] = vec4[3](
    vec4(1.0, 0.0, 0.0, 1.0),
    vec4(0.0, 1.0, 0.0, 1.0),
    vec4(0.0, 0.0, 1.0, 1.0));
  gl_FragColor = colors[end_prim_offset];
}

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