unplugged-system/external/skia/resources/sksl/intrinsics/Degrees.sksl

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uniform float4 testInputs; // equals (-1.25, 0, 0.75, 2.25)
uniform half4 colorGreen, colorRed;
half4 main(float2 coords) {
const float4 constVal = half4(-1.25, 0, 0.75, 2.25);
const float4 expected = constVal * 57.2957795131;
const float4 allowedDelta = float4(0.05);
return ( ( (abs(degrees(testInputs.x) - expected.x) < allowedDelta.x)) &&
all(lessThan(abs(degrees(testInputs.xy) - expected.xy), allowedDelta.xy)) &&
all(lessThan(abs(degrees(testInputs.xyz) - expected.xyz), allowedDelta.xyz)) &&
all(lessThan(abs(degrees(testInputs.xyzw) - expected.xyzw), allowedDelta.xyzw)) &&
( (abs(degrees(constVal.x) - expected.x) < allowedDelta.x)) &&
all(lessThan(abs(degrees(constVal.xy) - expected.xy), allowedDelta.xy)) &&
all(lessThan(abs(degrees(constVal.xyz) - expected.xyz), allowedDelta.xyz)) &&
all(lessThan(abs(degrees(constVal.xyzw) - expected.xyzw), allowedDelta.xyzw)))
? colorGreen : colorRed;
}