Analytic rrect clip for cicular corners, radius >= .5

src/gpu/effects/GrConvexPolyEffect.h

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrConvexPolyEffect_DEFINED
 #define GrConvexPolyEffect_DEFINED
 
 #include "GrDrawTargetCaps.h"
 #include "GrEffect.h"
-#include "GrVertexEffect.h"
 
 class GrGLConvexPolyEffect;
 class SkPath;
 
 /**
  * An effect that renders a convex polygon. It is intended to be used as a coverage effect.
  * Bounding geometry is rendered and the effect computes coverage based on the fragment's
  * position relative to the polygon.
  */
 class GrConvexPolyEffect : public GrEffect {
@@ skipping 68 matching lines @@
     int      fEdgeCount;
     SkScalar fEdges[3 * kMaxEdges];
 
     GR_DECLARE_EFFECT_TEST;
 
     typedef GrEffect INHERITED;
 };
 
 
 #endif