skia2/tests/sksl/folding/SwizzleFolding.glsl


out vec4 sk_FragColor;
uniform vec4 colorRed;
uniform vec4 colorGreen;
vec4 main() {
    bool _2_ok = true;
    _2_ok = _2_ok && colorGreen != colorRed;
    return _2_ok ? colorGreen : colorRed;
}
Add test demonstrating swizzled constant folding. At present, this is a missed optimization opportunity. These will be optimized in a followup CL. Change-Id: I8882058900cdc12c8ab0df03e36ebfb9d8022f01 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/402580 Commit-Queue: John Stiles <johnstiles@google.com> Commit-Queue: Ethan Nicholas <ethannicholas@google.com> Auto-Submit: John Stiles <johnstiles@google.com> Reviewed-by: Ethan Nicholas <ethannicholas@google.com> 2021-04-29 15:14:38 +00:00
			`out vec4 sk_FragColor;`
			`uniform vec4 colorRed;`
			`uniform vec4 colorGreen;`
			`vec4 main() {`
			`bool _2_ok = true;`
Reland "Optimize away swizzles of constant variables." This is a reland of 7b253d34ee0ef9fc514b030dab76aac940b70325 http://review.skia.org/402781 must land first, to resolve the assertions we were getting on the Android bots. Original change's description: > Optimize away swizzles of constant variables. > > Change-Id: I49807f18ea54e85c2b8f1419278c54aa2d6f8fac > Reviewed-on: https://skia-review.googlesource.com/c/skia/+/402581 > Commit-Queue: John Stiles <johnstiles@google.com> > Auto-Submit: John Stiles <johnstiles@google.com> > Reviewed-by: Ethan Nicholas <ethannicholas@google.com> Change-Id: Ib4f494b16a89ff744d4384db95a8a86d9653c190 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/402644 Reviewed-by: John Stiles <johnstiles@google.com> Commit-Queue: John Stiles <johnstiles@google.com> 2021-04-30 03:11:45 +00:00			`_2_ok = _2_ok && colorGreen != colorRed;`
Add test demonstrating swizzled constant folding. At present, this is a missed optimization opportunity. These will be optimized in a followup CL. Change-Id: I8882058900cdc12c8ab0df03e36ebfb9d8022f01 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/402580 Commit-Queue: John Stiles <johnstiles@google.com> Commit-Queue: Ethan Nicholas <ethannicholas@google.com> Auto-Submit: John Stiles <johnstiles@google.com> Reviewed-by: Ethan Nicholas <ethannicholas@google.com> 2021-04-29 15:14:38 +00:00			`return _2_ok ? colorGreen : colorRed;`
			`}`