out vec4 sk_FragColor; uniform vec4 testInputs; uniform vec4 colorGreen; uniform vec4 colorRed; vec4 main() { ivec4 expected = ivec4(1, 0, 0, 2); return ((abs(int(testInputs.x)) == expected.x && abs(ivec2(testInputs.xy)) == expected.xy) && abs(ivec3(testInputs.xyz)) == expected.xyz) && abs(ivec4(testInputs)) == expected ? colorGreen : colorRed; }