#version 450

// Compiled twice by the ShaderCompile test: once as is, once with VARIANT_RED
// and VARIANT_ALPHA=0.5 defined. The red branch does not compile unless the
// NAME=VALUE define arrives, and the two outputs only differ if the bare one
// does.
layout(location = 0) out vec4 outColor;

void main() {
#ifdef VARIANT_RED
    outColor = vec4(1.0, 0.0, 0.0, VARIANT_ALPHA);
#else
    outColor = vec4(0.0, 1.0, 0.0, 1.0);
#endif
}