skia2/resources/sksl/intrinsics/MaxFloat.sksl
John Stiles 9c9f60cdb4 Implement additional Runtime Effect intrinsic tests.
Tested in dm:
- max(halfN, halfN)
- max(halfN, half)
- min(halfN, halfN)
- min(halfN, half)
- clamp(halfN, halfN, halfN)
- clamp(halfN, half, half)
- mix(halfN, halfN, halfN)
- mix(halfN, halfN, half)

Compiled outputs only (not in ES2):
- max(intN, intN)
- max(intN, int)
- min(intN, intN)
- min(intN, int)
- clamp(intN, intN, intN)
- clamp(intN, int, int)
- mix(halfN, halfN, boolN)  - broken in Metal/SPIR-V (skia:11222)
- mix(intN, intN, boolN)    - broken in Metal/SPIR-V (skia:11222)

Change-Id: Iaafc5429b16d2a8710b9d171ae281c268c0fd70d
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/361438
Commit-Queue: John Stiles <johnstiles@google.com>
Reviewed-by: Ethan Nicholas <ethannicholas@google.com>
Auto-Submit: John Stiles <johnstiles@google.com>
2021-01-29 18:23:48 +00:00

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uniform half4 testInputs;
uniform half4 colorGreen, colorRed;
half4 main() {
half4 expectedA = half4(0.5, 0.5, 0.75, 2.25);
half4 expectedB = half4(0, 1, 0.75, 2.25);
return (max(testInputs.x, 0.5) == expectedA.x &&
max(testInputs.xy, 0.5) == expectedA.xy &&
max(testInputs.xyz, 0.5) == expectedA.xyz &&
max(testInputs.xyzw, 0.5) == expectedA.xyzw &&
max(testInputs.x, colorGreen.x) == expectedB.x &&
max(testInputs.xy, colorGreen.xy) == expectedB.xy &&
max(testInputs.xyz, colorGreen.xyz) == expectedB.xyz &&
max(testInputs.xyzw, colorGreen.xyzw) == expectedB.xyzw) ? colorGreen : colorRed;
}