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 6 * are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY 15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 16 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 17 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY 18 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 19 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 20 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 21 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 27 #ifndef RenderSurfaceChromium_h 28 #define RenderSurfaceChromium_h 29 30 #if USE(ACCELERATED_COMPOSITING) 31 32 #include "FloatRect.h" 33 #include "IntRect.h" 34 #include "ProgramBinding.h" 35 #include "ShaderChromium.h" 36 #include "TextureManager.h" 37 #include "TransformationMatrix.h" 38 #include <wtf/Noncopyable.h> 39 40 namespace WebCore { 41 42 class CCLayerImpl; 43 class LayerRendererChromium; 44 class LayerTexture; 45 46 class RenderSurfaceChromium { 47 WTF_MAKE_NONCOPYABLE(RenderSurfaceChromium); 48 friend class LayerRendererChromium; 49 public: 50 explicit RenderSurfaceChromium(CCLayerImpl*); 51 ~RenderSurfaceChromium(); 52 53 bool prepareContentsTexture(); 54 void cleanupResources(); 55 void draw(const IntRect& targetSurfaceRect); 56 57 String name() const; 58 void dumpSurface(TextStream&, int indent) const; 59 contentRectCenter()60 FloatPoint contentRectCenter() const { return FloatRect(m_contentRect).center(); } contentRect()61 IntRect contentRect() const { return m_contentRect; } 62 63 // Returns the rect that encloses the RenderSurface including any reflection. 64 FloatRect drawableContentRect() const; 65 drawTransform()66 TransformationMatrix drawTransform() const { return m_drawTransform; } 67 68 typedef ProgramBinding<VertexShaderPosTex, FragmentShaderRGBATexAlpha> Program; 69 typedef ProgramBinding<VertexShaderPosTex, FragmentShaderRGBATexAlphaMask> MaskProgram; 70 71 private: 72 LayerRendererChromium* layerRenderer(); 73 void drawSurface(CCLayerImpl* maskLayer, const TransformationMatrix& drawTransform); 74 75 CCLayerImpl* m_owningLayer; 76 CCLayerImpl* m_maskLayer; 77 78 IntRect m_contentRect; 79 bool m_skipsDraw; 80 81 OwnPtr<LayerTexture> m_contentsTexture; 82 float m_drawOpacity; 83 TransformationMatrix m_drawTransform; 84 TransformationMatrix m_replicaDrawTransform; 85 TransformationMatrix m_originTransform; 86 IntRect m_scissorRect; 87 Vector<RefPtr<CCLayerImpl> > m_layerList; 88 }; 89 90 } 91 #endif // USE(ACCELERATED_COMPOSITING) 92 93 #endif 94