3 uniform vec4 testInputs;
4 uniform vec4 colorGreen;
7 vec4 expected = vec4(0.0);
8 return (((((dFdx(testInputs.x) == expected.x && dFdx(testInputs.xy) == expected.xy) && dFdx(testInputs.xyz) == expected.xyz) && dFdx(testInputs) == expected) && sign(dFdx(coords.xx)) == vec2(1.0, 1.0)) && sign(dFdx(coords.yy)) == vec2(0.0, 0.0)) && sign(dFdx(coords)) == vec2(1.0, 0.0) ? colorGreen : colorRed;