Just an experiment

src/gpu/batches/GrRectBatchFactory.h

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrRectBatchFactory_DEFINED
 #define GrRectBatchFactory_DEFINED
 
 #include "GrAAFillRectBatch.h"
 #include "GrAAStrokeRectBatch.h"
 #include "GrColor.h"
 #include "GrNonAAFillRectBatch.h"
 #include "GrNonAAStrokeRectBatch.h"
 #include "SkMatrix.h"
+#include "SkRect.h"
 
 class GrBatch;
-struct SkRect;
 class SkStrokeRec;
 
 /*
  * A factory for returning batches which can draw rectangles.
  */
 namespace GrRectBatchFactory {
 
 inline GrDrawBatch* CreateNonAAFill(GrColor color,
                                     const SkMatrix& viewMatrix,
                                     const SkRect& rect,
                                     const SkRect* localRect,
                                     const SkMatrix* localMatrix) {
     if (viewMatrix.hasPerspective() || (localMatrix && localMatrix->hasPerspective())) {
         return GrNonAAFillRectBatch::CreateWithPerspective(color, viewMatrix, rect, localRect,
                                                            localMatrix);
     } else {
         return GrNonAAFillRectBatch::Create(color, viewMatrix, rect, localRect, localMatrix);
     }
 }
 
 inline GrDrawBatch* CreateAAFill(GrColor color,
                                  const SkMatrix& viewMatrix,
+                                 const SkRect& rect) {
+
+    // map rect
+    SkRect devRect;
+    viewMatrix.mapRect(&devRect, rect);
+    return GrAAFillRectBatch::Create(color, viewMatrix, rect, devRect);
+}
+
+inline GrDrawBatch* CreateAAFill(GrColor color,
+                                 const SkMatrix& viewMatrix,
                                  const SkRect& rect,
                                  const SkRect& devRect) {
     return GrAAFillRectBatch::Create(color, viewMatrix, rect, devRect);
 }
 
 inline GrDrawBatch* CreateAAFill(GrColor color,
                                  const SkMatrix& viewMatrix,
                                  const SkMatrix& localMatrix,
-                                 const SkRect& rect,
-                                 const SkRect& devRect) {
-    return GrAAFillRectBatch::Create(color, viewMatrix, localMatrix, rect, devRect);
+                                 const SkRect& rect) {
+    return GrAAFillRectBatch::Create(color, viewMatrix, localMatrix, rect);
 }
 
 inline GrDrawBatch* CreateNonAAStroke(GrColor color,
                                       const SkMatrix& viewMatrix,
                                       const SkRect& rect,
                                       SkScalar strokeWidth,
                                       bool snapToPixelCenters) {
     return GrNonAAStrokeRectBatch::Create(color, viewMatrix, rect, strokeWidth, snapToPixelCenters);
 }
 
 inline GrDrawBatch* CreateAAStroke(GrColor color,
                                    const SkMatrix& viewMatrix,
                                    const SkRect& rect,
                                    const SkStrokeRec& stroke) {
     return GrAAStrokeRectBatch::Create(color, viewMatrix, rect, stroke);
 }
 
 // First rect is outer; second rect is inner
 GrDrawBatch* CreateAAFillNestedRects(GrColor,
                                      const SkMatrix& viewMatrix,
                                      const SkRect rects[2]);
 
 };
 
 #endif