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 ShaderChromium_h 27 #define ShaderChromium_h 28 29 #if USE(ACCELERATED_COMPOSITING) 30 31 #include "PlatformString.h" 32 33 #if USE(SKIA) 34 #include "SkColorPriv.h" 35 #endif 36 37 namespace WebCore { 38 39 class GraphicsContext3D; 40 41 class VertexShaderPosTex { 42 public: 43 VertexShaderPosTex(); 44 45 bool init(GraphicsContext3D*, unsigned program); 46 String getShaderString() const; 47 matrixLocation()48 int matrixLocation() const { return m_matrixLocation; } 49 50 private: 51 int m_matrixLocation; 52 }; 53 54 class VertexShaderPosTexYUVStretch { 55 public: 56 VertexShaderPosTexYUVStretch(); 57 58 bool init(GraphicsContext3D*, unsigned program); 59 String getShaderString() const; 60 matrixLocation()61 int matrixLocation() const { return m_matrixLocation; } yWidthScaleFactorLocation()62 int yWidthScaleFactorLocation() const { return m_yWidthScaleFactorLocation; } uvWidthScaleFactorLocation()63 int uvWidthScaleFactorLocation() const { return m_uvWidthScaleFactorLocation; } 64 65 private: 66 int m_matrixLocation; 67 int m_yWidthScaleFactorLocation; 68 int m_uvWidthScaleFactorLocation; 69 }; 70 71 class VertexShaderPos { 72 public: 73 VertexShaderPos(); 74 75 bool init(GraphicsContext3D*, unsigned program); 76 String getShaderString() const; 77 matrixLocation()78 int matrixLocation() const { return m_matrixLocation; } 79 80 private: 81 int m_matrixLocation; 82 }; 83 84 class VertexShaderPosTexTransform { 85 public: 86 VertexShaderPosTexTransform(); 87 88 bool init(GraphicsContext3D*, unsigned program); 89 String getShaderString() const; 90 matrixLocation()91 int matrixLocation() const { return m_matrixLocation; } texTransformLocation()92 int texTransformLocation() const { return m_texTransformLocation; } 93 94 private: 95 int m_matrixLocation; 96 int m_texTransformLocation; 97 }; 98 99 class FragmentTexAlphaBinding { 100 public: 101 FragmentTexAlphaBinding(); 102 103 bool init(GraphicsContext3D*, unsigned program); alphaLocation()104 int alphaLocation() const { return m_alphaLocation; } samplerLocation()105 int samplerLocation() const { return m_samplerLocation; } 106 107 private: 108 int m_samplerLocation; 109 int m_alphaLocation; 110 }; 111 112 class FragmentShaderRGBATexFlipAlpha : public FragmentTexAlphaBinding { 113 public: 114 String getShaderString() const; 115 }; 116 117 class FragmentShaderRGBATexAlpha : public FragmentTexAlphaBinding { 118 public: 119 String getShaderString() const; 120 }; 121 122 class FragmentShaderBGRATexAlpha : public FragmentTexAlphaBinding { 123 public: 124 String getShaderString() const; 125 }; 126 127 class FragmentShaderRGBATexAlphaMask { 128 public: 129 FragmentShaderRGBATexAlphaMask(); 130 String getShaderString() const; 131 132 bool init(GraphicsContext3D*, unsigned program); alphaLocation()133 int alphaLocation() const { return m_alphaLocation; } samplerLocation()134 int samplerLocation() const { return m_samplerLocation; } maskSamplerLocation()135 int maskSamplerLocation() const { return m_maskSamplerLocation; } 136 137 private: 138 int m_samplerLocation; 139 int m_maskSamplerLocation; 140 int m_alphaLocation; 141 }; 142 143 #if USE(SKIA) && SK_B32_SHIFT 144 typedef FragmentShaderRGBATexAlpha FragmentShaderTexAlpha; 145 #else 146 typedef FragmentShaderBGRATexAlpha FragmentShaderTexAlpha; 147 #endif 148 149 class FragmentShaderYUVVideo { 150 public: 151 FragmentShaderYUVVideo(); 152 String getShaderString() const; 153 154 bool init(GraphicsContext3D*, unsigned program); 155 yTextureLocation()156 int yTextureLocation() const { return m_yTextureLocation; } uTextureLocation()157 int uTextureLocation() const { return m_uTextureLocation; } vTextureLocation()158 int vTextureLocation() const { return m_vTextureLocation; } alphaLocation()159 int alphaLocation() const { return m_alphaLocation; } ccMatrixLocation()160 int ccMatrixLocation() const { return m_ccMatrixLocation; } yuvAdjLocation()161 int yuvAdjLocation() const { return m_yuvAdjLocation; } 162 163 private: 164 int m_yTextureLocation; 165 int m_uTextureLocation; 166 int m_vTextureLocation; 167 int m_alphaLocation; 168 int m_ccMatrixLocation; 169 int m_yuvAdjLocation; 170 }; 171 172 class FragmentShaderColor { 173 public: 174 FragmentShaderColor(); 175 String getShaderString() const; 176 177 bool init(GraphicsContext3D*, unsigned program); colorLocation()178 int colorLocation() const { return m_colorLocation; } 179 180 private: 181 int m_colorLocation; 182 }; 183 184 } // namespace WebCore 185 186 #endif // USE(ACCELERATED_COMPOSITING) 187 188 #endif 189