4 * require_extensions: GL_ARB_shading_language_420pack
7 * From the GL_ARB_shading_language_420pack spec:
9 * '" Delete the following sentence in the "Invariant Qualifier" section:
11 * "The invariant qualifier must appear before any interpolation qualifiers
12 * or storage qualifiers when combined with a declaration."'
14 * Test that the invariant qualifier can be used after interpolation and
18 #extension GL_ARB_shading_language_420pack: enable
19 out flat invariant float x;