xref: /aosp_15_r20/external/skia/resources/sksl/intrinsics/IsInf.sksl (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17)
1*c8dee2aaSAndroid Build Coastguard Workeruniform half2x2 testMatrix2x2;  // equals (1, 2, 3, 4)
2*c8dee2aaSAndroid Build Coastguard Workeruniform half4 colorGreen, colorRed;
3*c8dee2aaSAndroid Build Coastguard Worker
4*c8dee2aaSAndroid Build Coastguard Workerhalf4 main(float2 coords) {
5*c8dee2aaSAndroid Build Coastguard Worker    half4 infiniteValue = half4(testMatrix2x2) / colorGreen.r;
6*c8dee2aaSAndroid Build Coastguard Worker    half4   finiteValue = half4(testMatrix2x2) / colorGreen.g;
7*c8dee2aaSAndroid Build Coastguard Worker
8*c8dee2aaSAndroid Build Coastguard Worker    return (    (isinf(infiniteValue.x))     &&
9*c8dee2aaSAndroid Build Coastguard Worker             all(isinf(infiniteValue.xy))    &&
10*c8dee2aaSAndroid Build Coastguard Worker             all(isinf(infiniteValue.xyz))   &&
11*c8dee2aaSAndroid Build Coastguard Worker             all(isinf(infiniteValue.xyzw))  &&
12*c8dee2aaSAndroid Build Coastguard Worker            !   (isinf(finiteValue  .x))     &&
13*c8dee2aaSAndroid Build Coastguard Worker            !any(isinf(finiteValue  .xy))    &&
14*c8dee2aaSAndroid Build Coastguard Worker            !any(isinf(finiteValue  .xyz))   &&
15*c8dee2aaSAndroid Build Coastguard Worker            !any(isinf(finiteValue  .xyzw))) ? colorGreen : colorRed;
16*c8dee2aaSAndroid Build Coastguard Worker}
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