Index: cc/bitmap_canvas_layer_texture_updater.h |
diff --git a/cc/bitmap_canvas_layer_texture_updater.h b/cc/bitmap_canvas_layer_texture_updater.h |
index 638cbb270ce9b24689d5095baf174ade4f4d1a13..8cf4e2539b5ec1ba64c51ccd87f0edc960cd83f5 100644 |
--- a/cc/bitmap_canvas_layer_texture_updater.h |
+++ b/cc/bitmap_canvas_layer_texture_updater.h |
@@ -1,3 +1,57 @@ |
-// Copyright 2012 The Chromium Authors. All rights reserved. |
+// Copyright 2011 The Chromium Authors. All rights reserved. |
// Use of this source code is governed by a BSD-style license that can be |
// found in the LICENSE file. |
+ |
+ |
+#ifndef BitmapCanvasLayerTextureUpdater_h |
+#define BitmapCanvasLayerTextureUpdater_h |
+ |
+#if USE(ACCELERATED_COMPOSITING) |
+ |
+#include "CanvasLayerTextureUpdater.h" |
+ |
+class SkCanvas; |
+ |
+namespace cc { |
+ |
+class LayerPainterChromium; |
+ |
+// This class rasterizes the contentRect into a skia bitmap canvas. It then updates |
+// textures by copying from the canvas into the texture, using MapSubImage if |
+// possible. |
+class BitmapCanvasLayerTextureUpdater : public CanvasLayerTextureUpdater { |
+public: |
+ class Texture : public LayerTextureUpdater::Texture { |
+ public: |
+ Texture(BitmapCanvasLayerTextureUpdater*, scoped_ptr<CCPrioritizedTexture>); |
+ virtual ~Texture(); |
+ |
+ virtual void updateRect(CCResourceProvider*, const IntRect& sourceRect, const IntSize& destOffset) OVERRIDE; |
+ |
+ private: |
+ BitmapCanvasLayerTextureUpdater* textureUpdater() { return m_textureUpdater; } |
+ |
+ BitmapCanvasLayerTextureUpdater* m_textureUpdater; |
+ }; |
+ |
+ static PassRefPtr<BitmapCanvasLayerTextureUpdater> create(PassOwnPtr<LayerPainterChromium>); |
+ virtual ~BitmapCanvasLayerTextureUpdater(); |
+ |
+ virtual PassOwnPtr<LayerTextureUpdater::Texture> createTexture(CCPrioritizedTextureManager*) OVERRIDE; |
+ virtual SampledTexelFormat sampledTexelFormat(GC3Denum textureFormat) OVERRIDE; |
+ virtual void prepareToUpdate(const IntRect& contentRect, const IntSize& tileSize, float contentsWidthScale, float contentsHeightScale, IntRect& resultingOpaqueRect, CCRenderingStats&) OVERRIDE; |
+ void updateTextureRect(CCResourceProvider*, CCPrioritizedTexture*, const IntRect& sourceRect, const IntSize& destOffset); |
+ |
+ virtual void setOpaque(bool) OVERRIDE; |
+ |
+protected: |
+ explicit BitmapCanvasLayerTextureUpdater(PassOwnPtr<LayerPainterChromium>); |
+ |
+ OwnPtr<SkCanvas> m_canvas; |
+ IntSize m_canvasSize; |
+ bool m_opaque; |
+}; |
+ |
+} // namespace cc |
+#endif // USE(ACCELERATED_COMPOSITING) |
+#endif // BitmapCanvasLayerTextureUpdater_h |