Improve saveLayer handling in SkMatrixClipStateMgr

src/core/SkPictureRecord.cpp

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkPictureRecord.h"
 #include "SkTSearch.h"
 #include "SkPixelRef.h"
@@ skipping 580 matching lines @@
     // turned on permanently.
 #if 0
     SkASSERT(fRestoreOffsetStack.count() > 1);
 #endif
 
 #ifdef SK_COLLAPSE_MATRIX_CLIP_STATE
     if (fMCMgr.getSaveCount() == 1) {
         return;
     }
 
-    // TODO: don't write the restore to the op stream for normal saves
     fMCMgr.restore();
 #else
     // check for underflow
     if (fRestoreOffsetStack.count() == 0) {
         return;
     }
 
     if (fRestoreOffsetStack.count() == fFirstSavedLayerIndex) {
         fFirstSavedLayerIndex = kNoSavedLayerIndex;
     }
@@ skipping 1161 matching lines @@
 void SkPictureRecord::validateRegions() const {
     int count = fRegions.count();
     SkASSERT((unsigned) count < 0x1000);
     for (int index = 0; index < count; index++) {
         const SkFlatData* region = fRegions[index];
         SkASSERT(region);
 //        region->validate();
     }
 }
 #endif