Add bevel-stroke support in GrAARectRenderer

src/gpu/GrAARectRenderer.h

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrAARectRenderer_DEFINED
 #define GrAARectRenderer_DEFINED
 
@@ skipping 46 matching lines @@
                                  devRect, useVertexCoverage);
 #endif
     }
 
     void strokeAARect(GrGpu* gpu,
                       GrDrawTarget* target,
                       const SkRect& rect,
                       const SkMatrix& combinedMatrix,
                       const SkRect& devRect,
                       SkScalar width,
-                      bool useVertexCoverage);
+                      bool useVertexCoverage,
+                      bool miterStroke);
 
     // First rect is outer; second rect is inner
     void fillAANestedRects(GrGpu* gpu,
                            GrDrawTarget* target,
                            const SkRect rects[2],
                            const SkMatrix& combinedMatrix,
                            bool useVertexCoverage);
 
 private:
     GrIndexBuffer*              fAAFillRectIndexBuffer;
     GrIndexBuffer*              fAAStrokeRectIndexBuffer;
 
     GrIndexBuffer* aaFillRectIndexBuffer(GrGpu* gpu);
 
-    static int aaStrokeRectIndexCount();
-    GrIndexBuffer* aaStrokeRectIndexBuffer(GrGpu* gpu);
+    static int aaStrokeRectIndexCount(bool miterStroke);
+    GrIndexBuffer* aaStrokeRectIndexBuffer(GrGpu* gpu, bool miterStroke);
 
     // TODO: Remove the useVertexCoverage boolean. Just use it all the time
     // since we now have a coverage vertex attribute
     void geometryFillAARect(GrGpu* gpu,
                             GrDrawTarget* target,
                             const SkRect& rect,
                             const SkMatrix& combinedMatrix,
                             const SkRect& devRect,
                             bool useVertexCoverage);
 
     void shaderFillAARect(GrGpu* gpu,
                           GrDrawTarget* target,
                           const SkRect& rect,
                           const SkMatrix& combinedMatrix);
 
     void shaderFillAlignedAARect(GrGpu* gpu,
                                  GrDrawTarget* target,
                                  const SkRect& rect,
                                  const SkMatrix& combinedMatrix);
 
     void geometryStrokeAARect(GrGpu* gpu,
                               GrDrawTarget* target,
                               const SkRect& devOutside,
+                              const SkRect& devOutsideAssist,
                               const SkRect& devInside,
-                              bool useVertexCoverage);
+                              bool useVertexCoverage,
+                              bool miterStroke);
 
     typedef SkRefCnt INHERITED;
 };
 
 #endif // GrAARectRenderer_DEFINED