Proposed SkCanvas API for preLoading textures to VRAM v2.0

include/core/SkCanvas.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 SkCanvas_DEFINED
 #define SkCanvas_DEFINED
 
@@ skipping 924 matching lines @@
         @param byteLength   The number of bytes to read from the text parameter
         @param path         The path the text should follow for its baseline
         @param matrix       (may be null) Applied to the text before it is
                             mapped onto the path
         @param paint        The paint used for the text
         */
     virtual void drawTextOnPath(const void* text, size_t byteLength,
                                 const SkPath& path, const SkMatrix* matrix,
                                 const SkPaint& paint);
 
+    /** PRIVATE / EXPERIMENTAL -- do not call
+        Perform back-end analysis/optimization of a picture. This may attach
+        optimization data to the picture which can be used by a later
+        drawPicture call.
+        @param picture The recorded drawing commands to analyze/optimize
+    */
+    void EXPERIMENTAL_optimize(SkPicture* picture);
+
     /** Draw the picture into this canvas. This method effective brackets the
         playback of the picture's draw calls with save/restore, so the state
         of this canvas will be unchanged after this call.
         @param picture The recorded drawing commands to playback into this
                        canvas.
     */
     virtual void drawPicture(SkPicture& picture);
 
     enum VertexMode {
         kTriangles_VertexMode,
@@ skipping 476 matching lines @@
     bool asROBitmap(SkBitmap*) const;
 
 private:
     SkBitmap    fBitmap;    // used if peekPixels() fails
     const void* fAddr;      // NULL on failure
     SkImageInfo fInfo;
     size_t      fRowBytes;
 };
 
 #endif