commit 6f5e94089e4e9e98008bf51bba9c0f47f2cb4a64
author Brian Osman <brianosman@google.com> Wed Jan 22 10:39:31 2020 -0500
committer Skia Commit-Bot <skia-commit-bot@chromium.org> Wed Jan 22 16:10:04 2020 +0000
tree f1d6276dd3ee0e6f0786967f33f66aa2962b5e36
parent 87c314210a39dd895354c35a8d035dfaa8ac01c4

Clamp GrSkSLFP output to valid premul

Added this as an option to GrSaturateProcessor (also renamed it to
be more generic and end with FragmentProcessor).

Added a tweak to the unit test to check the new behavior.
(Raster was already doing the clamp).

Change-Id: Ic49fa5cd72b6c63430fb773baf8121546bf2b80d
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/265580
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>

gn/sksl.gni

diff --git a/gn/sksl.gni b/gn/sksl.gni
index 34b616e..acc3242 100644
--- a/gn/sksl.gni
+++ b/gn/sksl.gni
@@ -41,6 +41,7 @@
   "$_src/gpu/effects/GrBlurredEdgeFragmentProcessor.fp",
   "$_src/gpu/effects/GrCircleBlurFragmentProcessor.fp",
   "$_src/gpu/effects/GrCircleEffect.fp",
+  "$_src/gpu/effects/GrClampFragmentProcessor.fp",
   "$_src/gpu/effects/GrComposeLerpEffect.fp",
   "$_src/gpu/effects/GrComposeLerpRedEffect.fp",
   "$_src/gpu/effects/GrConfigConversionEffect.fp",
@@ -56,7 +57,6 @@
   "$_src/gpu/effects/GrRectBlurEffect.fp",
   "$_src/gpu/effects/GrRGBToHSLFilterEffect.fp",
   "$_src/gpu/effects/GrRRectBlurEffect.fp",
-  "$_src/gpu/effects/GrSaturateProcessor.fp",
   "$_src/gpu/gradients/GrDualIntervalGradientColorizer.fp",
   "$_src/gpu/gradients/GrSingleIntervalGradientColorizer.fp",
   "$_src/gpu/gradients/GrTextureGradientColorizer.fp",