arb_framebuffer_object: add missing MSAA alpha-to-coverage and alpha-to-one tests

[piglit.git] / tests / spec / glsl-1.20 / compiler / qualifiers / invariant-03.frag

// [config]
// expect_result: pass
// glsl_version: 1.20
// [end config]
//
// ensure that invariant-qualifier can be used on fs inputs
#version 120

invariant varying vec4 x;

void main()
{
  gl_FragColor = x;
}