commit ccb2e384a036f29d989d3c1468f879324e81a678
author egdaniel <egdaniel@google.com> Mon Oct 13 12:53:46 2014 -0700
committer Commit bot <commit-bot@chromium.org> Mon Oct 13 12:53:46 2014 -0700
tree 27e38ca2ad78e3a0f741a1cc6c23899eb22b822c
parent cad5d3e264535c919b80e1e2a85407307961f221

Create helper functions to use in computeInvariantOutput calls

BUG=skia:

Review URL: https://codereview.chromium.org/643743003

src/gpu/GrAAConvexPathRenderer.cpp

diff --git a/src/gpu/GrAAConvexPathRenderer.cpp b/src/gpu/GrAAConvexPathRenderer.cpp
index 550d7ae..9e16177 100644
--- a/src/gpu/GrAAConvexPathRenderer.cpp
+++ b/src/gpu/GrAAConvexPathRenderer.cpp
@@ -589,8 +589,7 @@
     }
 
     virtual void onComputeInvariantOutput(InvariantOutput* inout) const SK_OVERRIDE {
-        inout->fValidFlags = 0;
-        inout->fIsSingleComponent = false;
+        inout->mulByUnknownAlpha();
     }
 
     const GrShaderVar& fInQuadEdge;