Add GPU support for roundrects

include/gpu/GrOvalRenderer.h

Index: include/gpu/GrOvalRenderer.h
===================================================================
--- include/gpu/GrOvalRenderer.h	(revision 8845)
+++ include/gpu/GrOvalRenderer.h	(working copy)
@@ -20,18 +20,20 @@
 class SkStrokeRec;
 
 /*
- * This class wraps helper functions that draw ovals (filled & stroked)
+ * This class wraps helper functions that draw ovals and roundrects (filled & stroked)
  */
 class GrOvalRenderer : public GrRefCnt {
 public:
     SK_DECLARE_INST_COUNT(GrOvalRenderer)
 
-    GrOvalRenderer() {}
-
+    GrOvalRenderer() : fRRectIndexBuffer(NULL) {}
     ~GrOvalRenderer() {}
 
     bool drawOval(GrDrawTarget* target, const GrContext* context, const GrPaint& paint,
                   const GrRect& oval, const SkStrokeRec& stroke);
+    bool drawSimpleRRect(GrDrawTarget* target, GrContext* context, const GrPaint& paint,
+                         const SkRRect& rrect, const SkStrokeRec& stroke);
+
 private:
     bool drawEllipse(GrDrawTarget* target, const GrPaint& paint,
                      const GrRect& ellipse,
@@ -40,6 +42,10 @@
                     const GrRect& circle,
                     const SkStrokeRec& stroke);
 
+    GrIndexBuffer* rRectIndexBuffer(GrGpu* gpu);
+    
+    GrIndexBuffer* fRRectIndexBuffer;
+    
     typedef GrRefCnt INHERITED;
 };