1 /* 2 * Copyright (C) 2011 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 #ifndef CCVideoLayerImpl_h 27 #define CCVideoLayerImpl_h 28 29 #include "ProgramBinding.h" 30 #include "ShaderChromium.h" 31 #include "VideoFrameChromium.h" 32 #include "VideoLayerChromium.h" 33 #include "cc/CCLayerImpl.h" 34 35 namespace WebCore { 36 37 class VideoFrameProvider; 38 39 class CCVideoLayerImpl : public CCLayerImpl { 40 public: create(LayerChromium * owner)41 static PassRefPtr<CCVideoLayerImpl> create(LayerChromium* owner) 42 { 43 return adoptRef(new CCVideoLayerImpl(owner)); 44 } 45 virtual ~CCVideoLayerImpl(); 46 47 typedef ProgramBinding<VertexShaderPosTexTransform, FragmentShaderRGBATexFlipAlpha> RGBAProgram; 48 typedef ProgramBinding<VertexShaderPosTexYUVStretch, FragmentShaderYUVVideo> YUVProgram; 49 50 virtual void draw(const IntRect&); 51 52 virtual void dumpLayerProperties(TextStream&, int indent) const; 53 setSkipsDraw(bool skipsDraw)54 void setSkipsDraw(bool skipsDraw) { m_skipsDraw = skipsDraw; } setFrameFormat(VideoFrameChromium::Format format)55 void setFrameFormat(VideoFrameChromium::Format format) { m_frameFormat = format; } 56 void setTexture(size_t, VideoLayerChromium::Texture); 57 58 private: 59 explicit CCVideoLayerImpl(LayerChromium*); 60 61 void drawYUV(const YUVProgram*) const; 62 void drawRGBA(const RGBAProgram*) const; 63 64 static const float yuv2RGB[9]; 65 static const float yuvAdjust[3]; 66 67 bool m_skipsDraw; 68 VideoFrameChromium::Format m_frameFormat; 69 VideoLayerChromium::Texture m_textures[3]; 70 }; 71 72 } 73 74 #endif // CCVideoLayerImpl_h 75