commit 12fb9cfeee071930b05ef37ad72419ae2e1b2592
author Ethan Nicholas <ethannicholas@google.com> Fri Aug 03 16:16:57 2018 -0400
committer Skia Commit-Bot <skia-commit-bot@chromium.org> Mon Aug 06 13:49:47 2018 +0000
tree 8b959b76b588575cc0d55b0a9c478a557525b54e
parent 2e77f54f46e84ae9f6b2d7296be6fc92000497d1

added SkSL saturate() function

Bug: skia:8220
Change-Id: Ib2e58ac77345a2aa53302c6c1484d52533556f93
Reviewed-on: https://skia-review.googlesource.com/145371
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Ethan Nicholas <ethannicholas@google.com>

src/gpu/ops/GrTextureOp.cpp

diff --git a/src/gpu/ops/GrTextureOp.cpp b/src/gpu/ops/GrTextureOp.cpp
index d9a4f71..77f194c 100644
--- a/src/gpu/ops/GrTextureOp.cpp
+++ b/src/gpu/ops/GrTextureOp.cpp
@@ -255,7 +255,7 @@
                     if (mulByFragCoordW) {
                         args.fFragBuilder->codeAppend("mindist *= sk_FragCoord.w;");
                     }
-                    args.fFragBuilder->codeAppendf("%s = float4(clamp(mindist, 0, 1));",
+                    args.fFragBuilder->codeAppendf("%s = float4(saturate(mindist));",
                                                    args.fOutputCoverage);
                 } else {
                     args.fFragBuilder->codeAppendf("%s = float4(1);", args.fOutputCoverage);