1/* 2 * Copyright (C) 2010 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 32#ifndef Canvas2DLayerChromium_h 33#define Canvas2DLayerChromium_h 34 35#if USE(ACCELERATED_COMPOSITING) 36 37#include "CanvasLayerChromium.h" 38 39namespace WebCore { 40 41class DrawingBuffer; 42 43// A layer containing an accelerated 2d canvas 44class Canvas2DLayerChromium : public CanvasLayerChromium { 45public: 46 static PassRefPtr<Canvas2DLayerChromium> create(DrawingBuffer*, GraphicsLayerChromium* owner); 47 virtual ~Canvas2DLayerChromium(); 48 virtual bool drawsContent() const { return true; } 49 virtual void updateCompositorResources(); 50 51 void setTextureChanged(); 52 unsigned textureId() const; 53 void setDrawingBuffer(DrawingBuffer*); 54 55 virtual void setLayerRenderer(LayerRendererChromium*); 56 57private: 58 explicit Canvas2DLayerChromium(DrawingBuffer*, GraphicsLayerChromium* owner); 59 DrawingBuffer* m_drawingBuffer; 60}; 61 62} 63#endif // USE(ACCELERATED_COMPOSITING) 64 65#endif 66