skia2/resources/sksl/intrinsics/Not.sksl

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uniform half4 inputH4, expectedH4;
uniform half4 colorGreen, colorRed;
half4 main(float2 coords) {
bool4 input = bool4(inputH4);
bool4 expected = bool4(expectedH4);
const bool4 constVal = bool4(true, false, true, false);
return (not(input.xy) == expected.xy &&
not(input.xyz) == expected.xyz &&
not(input.xyzw) == expected.xyzw &&
not(constVal.xy) == expected.xy &&
not(constVal.xyz) == expected.xyz &&
not(constVal.xyzw) == expected.xyzw) ? colorGreen : colorRed;
}