skia2/tests/sksl/shared/ConstVariableComparison.glsl
John Stiles edac7716aa Evaluate single-argument generic intrinsics at compile time.
In particular, this optimizes abs() and sign() when all inputs are known
at compile time. This resolves a TODO on a test case in
`IllegalIndexing.rts`.

Change-Id: Ica310522a85b42dc7ae255bd25004a6629d04176
Bug: skia:10835
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/405676
Auto-Submit: John Stiles <johnstiles@google.com>
Commit-Queue: John Stiles <johnstiles@google.com>
Reviewed-by: Ethan Nicholas <ethannicholas@google.com>
2021-05-10 14:50:50 +00:00

14 lines
246 B
GLSL

out vec4 sk_FragColor;
uniform vec4 colorGreen;
uniform vec4 colorRed;
vec4 main() {
const vec4 b = vec4(1.0);
vec4 c = vec4(1.0, 1.0, 1.0, 1.0);
if (b != c) {
return colorRed;
} else {
return colorGreen;
}
}