skia2/resources/sksl/intrinsics/Fract.sksl
John Stiles f06aeedcf1 Add intrinsic tests for mod() and fract().
These are fully supported by ES2 and will be covered by dm tests.

Change-Id: Iebf4effe8ab928662b55c0bb5b09e8b2a61487ca
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/362460
Commit-Queue: John Stiles <johnstiles@google.com>
Commit-Queue: Ethan Nicholas <ethannicholas@google.com>
Auto-Submit: John Stiles <johnstiles@google.com>
Reviewed-by: Ethan Nicholas <ethannicholas@google.com>
2021-01-29 21:51:54 +00:00

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uniform half4 testInputs;
uniform half4 colorGreen, colorRed;
half4 main() {
half4 expected = half4(0.75, 0, 0.75, 0.25);
return (fract(testInputs.x) == expected.x &&
fract(testInputs.xy) == expected.xy &&
fract(testInputs.xyz) == expected.xyz &&
fract(testInputs.xyzw) == expected.xyzw) ? colorGreen : colorRed;
}