Just an experiment

src/gpu/batches/GrAAFillRectBatch.cpp

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrAAFillRectBatch.h"
 
 #include "GrColor.h"
@@ skipping 306 matching lines @@
                     const SkRect& devRect) {
     AAFillRectBatchNoLocalMatrix* batch = AAFillRectBatchNoLocalMatrix::Create();
     append_to_batch(batch, color, viewMatrix, rect, devRect);
     batch->init();
     return batch;
 }
 
 GrDrawBatch* Create(GrColor color,
                     const SkMatrix& viewMatrix,
                     const SkMatrix& localMatrix,
-                    const SkRect& rect,
-                    const SkRect& devRect) {
+                    const SkRect& rect) {
+    //map rect
+    SkRect devRect;
+    viewMatrix.mapRect(&devRect, rect);
+
     AAFillRectBatchLocalMatrix* batch = AAFillRectBatchLocalMatrix::Create();
     append_to_batch(batch, color, viewMatrix, localMatrix, rect, devRect);
     batch->init();
     return batch;
 }
 
 void Append(GrBatch* origBatch,
             GrColor color,
             const SkMatrix& viewMatrix,
-            const SkRect& rect,
-            const SkRect& devRect) {
+            const SkRect& rect) {
+    // map rect
+    SkRect devRect;
+    viewMatrix.mapRect(&devRect, rect);
+
     AAFillRectBatchNoLocalMatrix* batch = origBatch->cast<AAFillRectBatchNoLocalMatrix>();
     append_to_batch(batch, color, viewMatrix, rect, devRect);
     batch->updateBoundsAfterAppend();
 }
 
 void Append(GrBatch* origBatch,
             GrColor color,
             const SkMatrix& viewMatrix,
             const SkMatrix& localMatrix,
             const SkRect& rect,
@@ skipping 17 matching lines @@
     SkRect rect = GrTest::TestRect(random);
     SkRect devRect = GrTest::TestRect(random);
     return GrAAFillRectBatch::Create(color, viewMatrix, rect, devRect);
 }
 
 DRAW_BATCH_TEST_DEFINE(AAFillRectBatchLocalMatrix) {
     GrColor color = GrRandomColor(random);
     SkMatrix viewMatrix = GrTest::TestMatrixInvertible(random);
     SkMatrix localMatrix = GrTest::TestMatrix(random);
     SkRect rect = GrTest::TestRect(random);
-    SkRect devRect = GrTest::TestRect(random);
-    return GrAAFillRectBatch::Create(color, viewMatrix, localMatrix, rect, devRect);
+    return GrAAFillRectBatch::Create(color, viewMatrix, localMatrix, rect);
 }
 
 #endif