xref: /aosp_15_r20/external/skia/resources/sksl/intrinsics/Degrees.sksl (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17) 
1uniform float4 testInputs;  // equals (-1.25, 0, 0.75, 2.25)
2uniform half4 colorGreen, colorRed;
3
4half4 main(float2 coords) {
5    const float4 constVal = half4(-1.25, 0, 0.75, 2.25);
6    const float4 expected = constVal * 57.2957795131;
7    const float4 allowedDelta = float4(0.05);
8
9    return (   (        (abs(degrees(testInputs.x)     - expected.x)   < allowedDelta.x))     &&
10            all(lessThan(abs(degrees(testInputs.xy)    - expected.xy),   allowedDelta.xy))    &&
11            all(lessThan(abs(degrees(testInputs.xyz)   - expected.xyz),  allowedDelta.xyz))   &&
12            all(lessThan(abs(degrees(testInputs.xyzw)  - expected.xyzw), allowedDelta.xyzw))  &&
13               (        (abs(degrees(constVal.x)       - expected.x)   < allowedDelta.x))     &&
14            all(lessThan(abs(degrees(constVal.xy)      - expected.xy),   allowedDelta.xy))    &&
15            all(lessThan(abs(degrees(constVal.xyz)     - expected.xyz),  allowedDelta.xyz))   &&
16            all(lessThan(abs(degrees(constVal.xyzw)    - expected.xyzw), allowedDelta.xyzw)))
17                ? colorGreen : colorRed;
18}
19