Proposed SkCanvas API for preLoading textures to VRAM

src/core/SkCanvas.cpp

 
 /*
  * Copyright 2008 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 "SkCanvas.h"
@@ skipping 1047 matching lines @@
 }
 
 void SkCanvas::onPushCull(const SkRect& cullRect) {
     // do nothing. Subclasses may do something
 }
 
 void SkCanvas::onPopCull() {
     // do nothing. Subclasses may do something
 }
 
+void SkCanvas::internalPrivate_PreLoad(const SkBitmap& bitmap, const SkIRect& rect) {
+    SkBaseDevice* device = this->getDevice();
+    if (NULL != device) {
+        device->internalPrivate_PreLoad(bitmap, rect);
+    }
+}
+
 /////////////////////////////////////////////////////////////////////////////
 
 void SkCanvas::internalDrawBitmap(const SkBitmap& bitmap,
                                 const SkMatrix& matrix, const SkPaint* paint) {
     if (bitmap.drawsNothing()) {
         return;
     }
 
     SkLazyPaint lazy;
     if (NULL == paint) {
@@ skipping 1373 matching lines @@
     if (!bitmap.allocPixels(info)) {
         return NULL;
     }
 
     // should this functionality be moved into allocPixels()?
     if (!bitmap.info().isOpaque()) {
         bitmap.eraseColor(0);
     }
     return SkNEW_ARGS(SkCanvas, (bitmap));
 }