skia2/resources/sksl/intrinsics/FaceForward.sksl

uniform half a, b, c;
uniform half4 d, e, f;
void main() {
    sk_FragColor.x = faceforward(a, b, c);
    sk_FragColor = faceforward(d, e, f);
}
Change sksl tests to avoid SPIR-V validation errors 'in' variables without locations aren't allowed. Use uniforms instead. Bug: skia:11738 Change-Id: Ic066106deb7409cff154b4be7cfb3e03a7025c7d Reviewed-on: https://skia-review.googlesource.com/c/skia/+/385000 Commit-Queue: Brian Osman <brianosman@google.com> Reviewed-by: John Stiles <johnstiles@google.com> 2021-03-15 18:58:57 +00:00			`uniform half a, b, c;`
			`uniform half4 d, e, f;`
Add support for scalar `faceforward` intrinsic in Metal. Change-Id: I8eae896f5a859b59a1ba0b29dc95d5aa070c12ae Reviewed-on: https://skia-review.googlesource.com/c/skia/+/343102 Commit-Queue: John Stiles <johnstiles@google.com> Auto-Submit: John Stiles <johnstiles@google.com> Reviewed-by: Brian Osman <brianosman@google.com> 2020-12-10 23:03:10 +00:00			`void main() {`
			`sk_FragColor.x = faceforward(a, b, c);`
			`sk_FragColor = faceforward(d, e, f);`
			`}`