Culling API

src/core/SkPictureRecord.h

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkPictureRecord_DEFINED
 #define SkPictureRecord_DEFINED
 
@@ skipping 102 matching lines @@
     void fillRestoreOffsetPlaceholdersForCurrentStackLevel(uint32_t restoreOffset);
 
 #ifndef SK_COLLAPSE_MATRIX_CLIP_STATE
     SkTDArray<int32_t> fRestoreOffsetStack;
     int fFirstSavedLayerIndex;
     enum {
         kNoSavedLayerIndex = -1
     };
 #endif
 
+    SkTDArray<uint32_t> fCullOffsetStack;
+
     /*
      * Write the 'drawType' operation and chunk size to the skp. 'size'
      * can potentially be increased if the chunk size needs its own storage
      * location (i.e., it overflows 24 bits).
      * Returns the start offset of the chunk. This is the location at which
      * the opcode & size are stored.
      * TODO: since we are handing the size into here we could call reserve
      * and then return a pointer to the memory storage. This could decrease
      * allocation overhead but could lead to more wasted space (the tail
      * end of blocks could go unused). Possibly add a second addDraw that
@@ skipping 83 matching lines @@
         SkASSERT(fWriter.bytesWritten() == initialOffset + size);
     }
 #endif
 
 protected:
     virtual SkSurface* onNewSurface(const SkImageInfo&) SK_OVERRIDE;
     const void* onPeekPixels(SkImageInfo*, size_t*) SK_OVERRIDE {
         return NULL;
     }
     virtual void onDrawDRRect(const SkRRect&, const SkRRect&, const SkPaint&) SK_OVERRIDE;
+    virtual void onPushCull(const SkRect&) SK_OVERRIDE;
+    virtual void onPopCull() SK_OVERRIDE;
 
     // Return fontmetrics.fTop,fBottom in topbot[0,1], after they have been
     // tweaked by paint.computeFastBounds().
     static void ComputeFontMetricsTopBottom(const SkPaint& paint, SkScalar topbot[2]);
 
     // Make sure that flat has fTopBot written.
     static void WriteTopBot(const SkPaint& paint, const SkFlatData& flat) {
         if (!flat.isTopBotWritten()) {
             ComputeFontMetricsTopBottom(paint, flat.writableTopBot());
             SkASSERT(flat.isTopBotWritten());
@@ skipping 52 matching lines @@
     friend class SkPictureTester; // for unit testing
 
 #ifdef SK_COLLAPSE_MATRIX_CLIP_STATE
     SkMatrixClipStateMgr fMCMgr;
 #endif
 
     typedef SkCanvas INHERITED;
 };
 
 #endif