Add layer counting to SkPictureRecord

include/core/SkPicture.h

 
 /*
  * Copyright 2007 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 SkPicture_DEFINED
@@ skipping 169 matching lines @@
         If false is returned, SkPictInfo is unmodified.
     */
     static bool InternalOnly_StreamIsSKP(SkStream*, SkPictInfo*);
     static bool InternalOnly_BufferIsSKP(SkReadBuffer&, SkPictInfo*);
 
     /** Return true if the picture is suitable for rendering on the GPU.
      */
 
 #if SK_SUPPORT_GPU
     bool suitableForGpuRasterization(GrContext*, const char ** = NULL) const;
+
+    bool suitableForOptimization() const;

[bsalomon, 2014/08/11 20:58:20]

This seems really general. It's really about suitability for a particular type
of optimization. Is the concern about publicly exposing low level detail about
the layer count? 

[robertphillips, 2014/08/11 21:17:48]

Right - we don't want the picture stats to be API-level visible.

 #endif
 
     class DeletionListener : public SkRefCnt {
     public:
         virtual void onDeletion(uint32_t pictureID) = 0;
     };
 
     // Takes ref on listener.
     void addDeletionListener(DeletionListener* listener) const;
 
@@ skipping 90 matching lines @@
 
     // Takes ownership of the SkRecord, refs the (optional) BBH.
     SkPicture(int width, int height, SkRecord*, SkBBoxHierarchy*);
 
     SkAutoTDelete<SkRecord>       fRecord;
     SkAutoTUnref<SkBBoxHierarchy> fBBH;
     bool fRecordWillPlayBackBitmaps; // TODO: const
 };
 
 #endif