commit f3b995b628ef76bff28b9721dd1e182336156086
author Brian Salomon <bsalomon@google.com> Wed Feb 15 10:22:23 2017 -0500
committer Skia Commit-Bot <skia-commit-bot@chromium.org> Wed Feb 15 17:27:10 2017 +0000
tree a0a0dcb7d12934495c445a73fe18bae9fda42bb7
parent 2b512d00ef8d6a8eb200396ab0a64294e84c4fa4

Clarify when tweak alpha for coverage optimizaton can occur.

Also refer to it directly rather than using the term "modulate"

Change-Id: Ifa44a4d46e1be11b567943f58ead24e38f10d03b
Reviewed-on: https://skia-review.googlesource.com/8488
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>

src/gpu/effects/GrConvexPolyEffect.cpp

diff --git a/src/gpu/effects/GrConvexPolyEffect.cpp b/src/gpu/effects/GrConvexPolyEffect.cpp
index 907a9e5..0248beb 100644
--- a/src/gpu/effects/GrConvexPolyEffect.cpp
+++ b/src/gpu/effects/GrConvexPolyEffect.cpp
@@ -31,7 +31,9 @@
 
 private:
     AARectEffect(GrPrimitiveEdgeType edgeType, const SkRect& rect)
-            : INHERITED(kModulatesInput_OptimizationFlag), fRect(rect), fEdgeType(edgeType) {
+            : INHERITED(kCompatibleWithCoverageAsAlpha_OptimizationFlag)
+            , fRect(rect)
+            , fEdgeType(edgeType) {
         this->initClassID<AARectEffect>();
     }
 
@@ -327,7 +329,9 @@
 }
 
 GrConvexPolyEffect::GrConvexPolyEffect(GrPrimitiveEdgeType edgeType, int n, const SkScalar edges[])
-        : INHERITED(kModulatesInput_OptimizationFlag), fEdgeType(edgeType), fEdgeCount(n) {
+        : INHERITED(kCompatibleWithCoverageAsAlpha_OptimizationFlag)
+        , fEdgeType(edgeType)
+        , fEdgeCount(n) {
     this->initClassID<GrConvexPolyEffect>();
     // Factory function should have already ensured this.
     SkASSERT(n <= kMaxEdges);