skia2/resources/sksl/shared/SwizzleByIndex.sksl
John Stiles bfc9be0f77 Migrate SkSL test inputs to the resources/ directory.
This will allow us to load these inputs for unit testing in `dm`.

Change-Id: Id256ba7c30d3ec94b98048e47af44cf9efe580d5
Bug: skia:11009
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/357282
Commit-Queue: John Stiles <johnstiles@google.com>
Auto-Submit: John Stiles <johnstiles@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>
2021-01-22 18:57:29 +00:00

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void non_constant_swizzle() {
int4 i = int4(int(sqrt(1)));
half4 v = half4(half(sqrt(1)));
half x = v[i[0]];
half y = v[i[1]];
half z = v[i[2]];
half w = v[i[3]];
sk_FragColor = half4(x, y, z, w);
}
void constant_swizzle() {
half4 v = half4(half(sqrt(1)));
half x = v[0];
half y = v[1];
half z = v[2];
half w = v[3];
sk_FragColor = half4(x, y, z, w);
}
void foldable() {
half4 v = half4(2);
half x = v[0];
half y = v[1];
half z = v[2];
half w = v[3];
sk_FragColor = half4(x, y, z, w);
}
void main() {
non_constant_swizzle();
constant_swizzle();
foldable();
}