commit 421fe443f833c916e6c3616f92570c8920b030f9
author Ethan Nicholas <ethannicholas@google.com> Thu May 04 13:10:59 2017 +0000
committer Skia Commit-Bot <skia-commit-bot@chromium.org> Thu May 04 13:11:09 2017 +0000
tree f71a0ee54350b5ad77512976f0363b8e62476028
parent 5c1b360a89f85accd7dc446670f6f062c73e7e77

Revert "Revert "Revert "eliminated GrGLSLExpr"""

This reverts commit 796001c82eca5651bc6a221204f6186918781daf.

Reason for revert: looks to be causing problems in Chrome (https://storage.googleapis.com/chromium-layout-test-archives/WebKit_Linux_Trusty__dbg_/1553/layout-test-results/results.html)

Original change's description:
> Revert "Revert "eliminated GrGLSLExpr""
> 
> This reverts commit 5e550ab57e0204bfadd2cb69c47d2a85e38d6a4c.
> 
> Bug: skia:
> Change-Id: I4705e47dbd209aa8f43db3d28c856bd3aa9e49ab
> Reviewed-on: https://skia-review.googlesource.com/15187
> Reviewed-by: Ethan Nicholas <ethannicholas@google.com>
> Commit-Queue: Ethan Nicholas <ethannicholas@google.com>
> 

TBR=ethannicholas@google.com
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true

Change-Id: I6455a4f16b2dc0d6d1265541f7117e0cfb8dd91c
Reviewed-on: https://skia-review.googlesource.com/15309
Reviewed-by: Ethan Nicholas <ethannicholas@google.com>
Commit-Queue: Ethan Nicholas <ethannicholas@google.com>

src/gpu/effects/GrMatrixConvolutionEffect.cpp

diff --git a/src/gpu/effects/GrMatrixConvolutionEffect.cpp b/src/gpu/effects/GrMatrixConvolutionEffect.cpp
index b3ea81a..03d90ea 100644
--- a/src/gpu/effects/GrMatrixConvolutionEffect.cpp
+++ b/src/gpu/effects/GrMatrixConvolutionEffect.cpp
@@ -114,7 +114,10 @@
         fragBuilder->codeAppendf("%s.rgb = clamp(sum.rgb * %s + %s, 0, 1);", args.fOutputColor, gain, bias);
         fragBuilder->codeAppendf("%s.rgb *= %s.a;", args.fOutputColor, args.fOutputColor);
     }
-    fragBuilder->codeAppendf("%s *= %s;\n", args.fOutputColor, args.fInputColor);
+
+    SkString modulate;
+    GrGLSLMulVarBy4f(&modulate, args.fOutputColor, args.fInputColor);
+    fragBuilder->codeAppend(modulate.c_str());
 }
 
 void GrGLMatrixConvolutionEffect::GenKey(const GrProcessor& processor,