Turn on quilt mode in DM.

gm/imagefiltersgraph.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "gm.h"
 
 #include "SkArithmeticMode.h"
@@ skipping 72 matching lines @@
 
 class ImageFiltersGraphGM : public skiagm::GM {
 public:
     ImageFiltersGraphGM() : fInitialized(false) {
         int dummy;
         SK_DECLARE_STATIC_ONCE(once);
         SkOnce(&once, init_flattenable, &dummy);
     }
 
 protected:
+    virtual uint32_t onGetFlags() const SK_OVERRIDE {
+        return kSkipTiled_Flag;
+    }
+
     virtual SkString onShortName() {
         return SkString("imagefiltersgraph");
     }
 
     void make_bitmap() {
         fBitmap.allocN32Pixels(100, 100);
         SkCanvas canvas(fBitmap);
         canvas.clear(0x00000000);
         SkPaint paint;
         paint.setAntiAlias(true);
@@ skipping 108 matching lines @@
 private:
     typedef GM INHERITED;
     SkBitmap fBitmap;
     bool fInitialized;
 };
 
 ///////////////////////////////////////////////////////////////////////////////
 
 static skiagm::GM* MyFactory(void*) { return new ImageFiltersGraphGM; }
 static skiagm::GMRegistry reg(MyFactory);