skia2/resources/sksl/shared/SwizzleByIndex.sksl
Brian Osman 22dcb5fd7e Add coords parameter to all .sksl test files used as runtime effects
Convert to use the newer MakeForShader factory, which requires this.

Change-Id: Ifaf6054054027c78f3f3fe15596e435e0f79b877
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/399336
Commit-Queue: Brian Osman <brianosman@google.com>
Reviewed-by: John Stiles <johnstiles@google.com>
2021-04-26 18:34:38 +00:00

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uniform half4 testInputs, colorBlack, colorGreen, colorRed;
half4 non_constant_swizzle() {
half4 v = half4(testInputs);
int4 i = int4(colorBlack);
half x = v[i[0]];
half y = v[i[1]];
half z = v[i[2]];
half w = v[i[3]];
return half4(x, y, z, w); // -1.25, -1.25, -1.25, 0
}
half4 main(float2 coords) {
return non_constant_swizzle() == half4(-1.25, -1.25, -1.25, 0) ? colorGreen : colorRed;
}