/* * Copyright (C) 2011 Google Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef FrameBufferSkPictureCanvasLayerTextureUpdater_h #define FrameBufferSkPictureCanvasLayerTextureUpdater_h #if USE(ACCELERATED_COMPOSITING) #include "SkPictureCanvasLayerTextureUpdater.h" namespace WebCore { // This class records the contentRect into an SkPicture, then uses accelerated // drawing to update the texture. The accelerated drawing goes to an // intermediate framebuffer and then is copied to the destination texture once done. class FrameBufferSkPictureCanvasLayerTextureUpdater : public SkPictureCanvasLayerTextureUpdater { public: class Texture : public LayerTextureUpdater::Texture { public: Texture(FrameBufferSkPictureCanvasLayerTextureUpdater*, PassOwnPtr<ManagedTexture>); virtual ~Texture(); virtual void updateRect(GraphicsContext3D*, TextureAllocator*, const IntRect& sourceRect, const IntRect& destRect); private: FrameBufferSkPictureCanvasLayerTextureUpdater* textureUpdater() { return m_textureUpdater; } FrameBufferSkPictureCanvasLayerTextureUpdater* m_textureUpdater; }; static PassRefPtr<FrameBufferSkPictureCanvasLayerTextureUpdater> create(PassOwnPtr<LayerPainterChromium>); virtual ~FrameBufferSkPictureCanvasLayerTextureUpdater(); virtual PassOwnPtr<LayerTextureUpdater::Texture> createTexture(TextureManager*); virtual SampledTexelFormat sampledTexelFormat(GC3Denum textureFormat); void updateTextureRect(GraphicsContext3D*, TextureAllocator*, ManagedTexture*, const IntRect& sourceRect, const IntRect& destRect); private: explicit FrameBufferSkPictureCanvasLayerTextureUpdater(PassOwnPtr<LayerPainterChromium>); }; } // namespace WebCore #endif // USE(ACCELERATED_COMPOSITING) #endif // FrameBufferSkPictureCanvasLayerTextureUpdater_h