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

src/gpu/effects/GrConvexPolyEffect.cpp

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrConvexPolyEffect.h"
 
 #include "gl/GrGLEffect.h"
 #include "gl/GrGLSL.h"
-#include "gl/GrGLVertexEffect.h"
 #include "GrTBackendEffectFactory.h"
 
 #include "SkPath.h"
 
 //////////////////////////////////////////////////////////////////////////////
 class GLAARectEffect;
 
 class AARectEffect : public GrEffect {
 public:
     typedef GLAARectEffect GLEffect;
@@ skipping 300 matching lines @@
                                             GrTexture*[]) {
     EdgeType edgeType = static_cast<EdgeType>(random->nextULessThan(kEdgeTypeCnt));
     int count = random->nextULessThan(kMaxEdges) + 1;
     SkScalar edges[kMaxEdges * 3];
     for (int i = 0; i < 3 * count; ++i) {
         edges[i] = random->nextSScalar1();
     }
 
     return GrConvexPolyEffect::Create(edgeType, count, edges);
 }