Revert of Default geometry processor

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 26 matching lines @@
         this->reset();
     }
 
     // TODO: potentialy fuse the fill & stroke methods and differentiate
     // between them by passing in stroke (==NULL means fill).
 
     void fillAARect(GrDrawTarget* target,
                     const SkRect& rect,
                     const SkMatrix& combinedMatrix,
                     const SkRect& devRect) {
+#ifdef SHADER_AA_FILL_RECT
+        if (combinedMatrix.rectStaysRect()) {
+            this->shaderFillAlignedAARect(gpu, target,
+                                          rect, combinedMatrix);
+        } else {
+            this->shaderFillAARect(gpu, target,
+                                   rect, combinedMatrix);
+        }
+#else
         this->geometryFillAARect(target, rect, combinedMatrix, devRect);
+#endif
     }
 
     void strokeAARect(GrDrawTarget* target,
                       const SkRect& rect,
                       const SkMatrix& combinedMatrix,
                       const SkRect& devRect,
                       const SkStrokeRec& stroke);
 
     // First rect is outer; second rect is inner
     void fillAANestedRects(GrDrawTarget* target,
                            const SkRect rects[2],
                            const SkMatrix& combinedMatrix);
 
 private:
     GrIndexBuffer* aaStrokeRectIndexBuffer(bool miterStroke);
 
     void geometryFillAARect(GrDrawTarget* target,
                             const SkRect& rect,
                             const SkMatrix& combinedMatrix,
                             const SkRect& devRect);
 
+    void shaderFillAARect(GrDrawTarget* target,
+                          const SkRect& rect,
+                          const SkMatrix& combinedMatrix);
+
+    void shaderFillAlignedAARect(GrDrawTarget* target,
+                                 const SkRect& rect,
+                                 const SkMatrix& combinedMatrix);
+
     void geometryStrokeAARect(GrDrawTarget* target,
                               const SkRect& devOutside,
                               const SkRect& devOutsideAssist,
                               const SkRect& devInside,
                               bool miterStroke);
 
     GrGpu*                      fGpu;
     GrIndexBuffer*              fAAFillRectIndexBuffer;
     GrIndexBuffer*              fAAMiterStrokeRectIndexBuffer;
     GrIndexBuffer*              fAABevelStrokeRectIndexBuffer;
 
     typedef SkRefCnt INHERITED;
 };
 
 #endif // GrAARectRenderer_DEFINED