skia2/tests/sksl/shared/UnusedVariables.glsl
John Stiles 2654187396 Eliminate unused local variables during SkSL optimization.
This can eliminate const variables which have been completely folded
away, unnecessary synthetic variables created during codegen/inlining,
or code that simply didn't need to exist at all.

Change-Id: I37a65e455e6527a6a6c2f4dde918f48d84dc2638
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/383496
Commit-Queue: John Stiles <johnstiles@google.com>
Reviewed-by: Ethan Nicholas <ethannicholas@google.com>
2021-03-16 17:22:53 +00:00

11 lines
198 B
GLSL

out vec4 sk_FragColor;
vec4 main() {
float b = 2.0;
float c = 3.0;
float d = c;
b++;
d++;
return vec4(float(b == 2.0), float(b == 3.0), float(d == 5.0), float(d == 4.0));
}