skia2/tests/sksl/shared/Control.glsl
John Stiles 639e812d9f Remove usage of sqrt() as an optimization barrier in tests.
In the majority of cases, a uniform is an equally good substitute, and
replacing `sqrt(N)` with `unknownInput` actually makes the test clearer.

Change-Id: I7bcb477571972d7aa2ce8c49b3674471f7310748
Bug: skia:12034
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/411306
Auto-Submit: John Stiles <johnstiles@google.com>
Commit-Queue: Ethan Nicholas <ethannicholas@google.com>
Reviewed-by: Ethan Nicholas <ethannicholas@google.com>
2021-05-24 17:18:54 +00:00

23 lines
453 B
GLSL

out vec4 sk_FragColor;
uniform float unknownInput;
void main() {
if (unknownInput > 5.0) {
sk_FragColor = vec4(0.75);
} else {
discard;
}
int i = 0;
while (i < 10) {
sk_FragColor *= 0.5;
i++;
}
do {
sk_FragColor += 0.25;
} while (sk_FragColor.x < 0.75);
for (int i = 0;i < 10; i++) {
if (i % 2 == 1) break; else if (i > 100) return; else continue;
}
return;
}