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 WebGLLayerChromium_h 33 #define WebGLLayerChromium_h 34 35 #if USE(ACCELERATED_COMPOSITING) 36 37 #include "CanvasLayerChromium.h" 38 39 namespace WebCore { 40 41 class GraphicsContext3D; 42 43 // A Layer containing a WebGL canvas 44 class WebGLLayerChromium : public CanvasLayerChromium { 45 public: 46 static PassRefPtr<WebGLLayerChromium> create(GraphicsLayerChromium* owner = 0); 47 48 virtual ~WebGLLayerChromium(); 49 drawsContent()50 virtual bool drawsContent() const { return m_context; } 51 virtual void updateCompositorResources(); 52 void setTextureUpdated(); 53 54 void setContext(const GraphicsContext3D* context); 55 56 virtual void setLayerRenderer(LayerRendererChromium*); 57 58 protected: layerTypeAsString()59 virtual const char* layerTypeAsString() const { return "WebGLLayer"; } 60 61 private: 62 explicit WebGLLayerChromium(GraphicsLayerChromium* owner); 63 GraphicsContext3D* m_context; 64 bool m_textureUpdated; 65 }; 66 67 } 68 #endif // USE(ACCELERATED_COMPOSITING) 69 70 #endif 71