In SkDraw::drawRect, use SkPath for huge rects.

src/core/SkScanPriv.h

 /*
  * Copyright 2006 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #ifndef SkScanPriv_DEFINED
 #define SkScanPriv_DEFINED
 
 #include "SkScan.h"
 #include "SkBlitter.h"
 
 class SkScanClipper {
 public:
+    /**
+     *  boundsIsTruncated indicates that the blitter should be clipped even if
+     *  clip->contains(bounds) is true.
+     */
     SkScanClipper(SkBlitter* blitter, const SkRegion* clip, const SkIRect& bounds,
-                  bool skipRejectTest = false);
+                  bool skipRejectTest = false, bool boundsIsTruncated = false);
 
     SkBlitter*      getBlitter() const { return fBlitter; }
     const SkIRect*  getClipRect() const { return fClipRect; }
 
 private:
     SkRectClipBlitter   fRectBlitter;
     SkRgnClipBlitter    fRgnBlitter;
     SkBlitter*          fBlitter;
     const SkIRect*      fClipRect;
 };
 
 // clipRect == null means path is entirely inside the clip
 void sk_fill_path(const SkPath& path, const SkIRect* clipRect,
                   SkBlitter* blitter, int start_y, int stop_y, int shiftEdgesUp,
                   const SkRegion& clipRgn);
 
 // blit the rects above and below avoid, clipped to clip
 void sk_blit_above(SkBlitter*, const SkIRect& avoid, const SkRegion& clip);
 void sk_blit_below(SkBlitter*, const SkIRect& avoid, const SkRegion& clip);
 
 #endif