uniform half4 testInputs; uniform half4 colorGreen, colorRed; half4 main(float2 coords) { int4 expectedA = int4(-100, 0, 75, 100); int4 intValues = int4(testInputs * 100); // (-125, 0, 75, 225) int4 clampLow = int4(-100, -200, -200, 100); int4 expectedB = int4(-100, 0, 50, 225); int4 clampHigh = int4( 100, 200, 50, 300); return (clamp(intValues.x, -100, 100) == expectedA.x && clamp(intValues.xy, -100, 100) == expectedA.xy && clamp(intValues.xyz, -100, 100) == expectedA.xyz && clamp(intValues.xyzw, -100, 100) == expectedA.xyzw && clamp(intValues.x, clampLow.x, clampHigh.x ) == expectedB.x && clamp(intValues.xy, clampLow.xy, clampHigh.xy ) == expectedB.xy && clamp(intValues.xyz, clampLow.xyz, clampHigh.xyz ) == expectedB.xyz && clamp(intValues.xyzw, clampLow.xyzw, clampHigh.xyzw) == expectedB.xyzw) ? colorGreen : colorRed; }