4 * require_extensions: GL_ARB_shading_language_420pack
7 * From the GL_ARB_shading_language_420pack spec:
9 * "Some input and output qualified variables can be qualified with at most
10 * one additional auxiliary storage qualifier."
12 * Test that the same auxiliary storage qualifier twice results in a compile
16 #extension GL_ARB_shading_language_420pack: enable
17 centroid centroid out float x;