Let blitters be notified when they're done being used

src/core/SkScan_AntiPath.cpp

 
 /*
  * 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.
  */
 
 
 #include "SkScanPriv.h"
@@ skipping 90 matching lines @@
 }
 
 /// Run-length-encoded supersampling antialiased blitter.
 class SuperBlitter : public BaseSuperBlitter {
 public:
     SuperBlitter(SkBlitter* realBlitter, const SkIRect& ir,
                  const SkRegion& clip);
 
     virtual ~SuperBlitter() {
         this->flush();
-        sk_free(fRunsBuffer);
     }
 
     /// Once fRuns contains a complete supersampled row, flush() blits
     /// it out through the wrapped blitter.
     void flush();
 
     /// Blits a row of pixels, with location and width specified
     /// in supersampled coordinates.
     virtual void blitH(int x, int y, int width) SK_OVERRIDE;
     /// Blits a rectangle of pixels, with location and size specified
@@ skipping 25 matching lines @@
         fRuns.reset(fWidth);
     }
 
     int         fOffsetX;
 };
 
 SuperBlitter::SuperBlitter(SkBlitter* realBlitter, const SkIRect& ir,
                            const SkRegion& clip)
         : BaseSuperBlitter(realBlitter, ir, clip) {
     fRunsToBuffer = realBlitter->requestRowsPreserved();
-    fRunsBuffer = sk_malloc_throw(fRunsToBuffer * this->getRunsSz());
+    fRunsBuffer = realBlitter->allocBlitMemory(fRunsToBuffer * this->getRunsSz());
     fCurrentRun = -1;
 
     this->advanceRuns();
 
     fOffsetX = 0;
 }
 
 void SuperBlitter::flush() {
     if (fCurrIY >= fTop) {
 
@@ skipping 589 matching lines @@
         AntiFillPath(path, clip.bwRgn(), blitter);
     } else {
         SkRegion        tmp;
         SkAAClipBlitter aaBlitter;
 
         tmp.setRect(clip.getBounds());
         aaBlitter.init(blitter, &clip.aaRgn());
         SkScan::AntiFillPath(path, tmp, &aaBlitter, true);
     }
 }