cc/ShaderChromium.h

   1 // Copyright 2011 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef ShaderChromium_h
   6 #define ShaderChromium_h
   7
   8 #if USE(ACCELERATED_COMPOSITING)
   9
  10 #include "SkColorPriv.h"
  11 #include <string>
  12
  13 namespace WebKit {
  14 class WebGraphicsContext3D;
  15 }
  16
  17 namespace cc {
  18
  19 class VertexShaderPosTex {
  20 public:
  21     VertexShaderPosTex();
  22
  23     void init(WebKit::WebGraphicsContext3D*, unsigned program, bool usingBindUniform, int* baseUniformIndex);
  24     std::string getShaderString() const;
  25
  26     int matrixLocation() const { return m_matrixLocation; }
  27
  28 private:
  29     int m_matrixLocation;
  30 };
  31
  32 class VertexShaderPosTexYUVStretch {
  33 public:
  34     VertexShaderPosTexYUVStretch();
  35
  36     void init(WebKit::WebGraphicsContext3D*, unsigned program, bool usingBindUniform, int* baseUniformIndex);
  37     std::string getShaderString() const;
  38
  39     int matrixLocation() const { return m_matrixLocation; }
  40     int yWidthScaleFactorLocation() const { return m_yWidthScaleFactorLocation; }
  41     int uvWidthScaleFactorLocation() const { return m_uvWidthScaleFactorLocation; }
  42
  43 private:
  44     int m_matrixLocation;
  45     int m_yWidthScaleFactorLocation;
  46     int m_uvWidthScaleFactorLocation;
  47 };
  48
  49 class VertexShaderPos {
  50 public:
  51     VertexShaderPos();
  52
  53     void init(WebKit::WebGraphicsContext3D*, unsigned program, bool usingBindUniform, int* baseUniformIndex);
  54     std::string getShaderString() const;
  55
  56     int matrixLocation() const { return m_matrixLocation; }
  57
  58 private:
  59     int m_matrixLocation;
  60 };
  61
  62 class VertexShaderPosTexIdentity {
  63 public:
  64     void init(WebKit::WebGraphicsContext3D*, unsigned program, bool usingBindUniform, int* baseUniformIndex) { }
  65     std::string getShaderString() const;
  66 };
  67
  68 class VertexShaderPosTexTransform {
  69 public:
  70     VertexShaderPosTexTransform();
  71
  72     void init(WebKit::WebGraphicsContext3D*, unsigned program, bool usingBindUniform, int* baseUniformIndex);
  73     std::string getShaderString() const;
  74
  75     int matrixLocation() const { return m_matrixLocation; }
  76     int texTransformLocation() const { return m_texTransformLocation; }
  77
  78 private:
  79     int m_matrixLocation;
  80     int m_texTransformLocation;
  81 };
  82
  83 class VertexShaderQuad {
  84 public:
  85     VertexShaderQuad();
  86
  87     void init(WebKit::WebGraphicsContext3D*, unsigned program, bool usingBindUniform, int* baseUniformIndex);
  88     std::string getShaderString() const;
  89
  90     int matrixLocation() const { return m_matrixLocation; }
  91     int pointLocation() const { return m_pointLocation; }
  92
  93 private:
  94     int m_matrixLocation;
  95     int m_pointLocation;
  96 };
  97
  98 class VertexShaderTile {
  99 public:
 100     VertexShaderTile();
 101
 102     void init(WebKit::WebGraphicsContext3D*, unsigned program, bool usingBindUniform, int* baseUniformIndex);
 103     std::string getShaderString() const;
 104
 105     int matrixLocation() const { return m_matrixLocation; }
 106     int pointLocation() const { return m_pointLocation; }
 107     int vertexTexTransformLocation() const { return m_vertexTexTransformLocation; }
 108
 109 private:
 110     int m_matrixLocation;
 111     int m_pointLocation;
 112     int m_vertexTexTransformLocation;
 113 };
 114
 115 class VertexShaderVideoTransform {
 116 public:
 117     VertexShaderVideoTransform();
 118
 119     bool init(WebKit::WebGraphicsContext3D*, unsigned program, bool usingBindUniform, int* baseUniformIndex);
 120     std::string getShaderString() const;
 121
 122     int matrixLocation() const { return m_matrixLocation; }
 123     int texMatrixLocation() const { return m_texMatrixLocation; }
 124
 125 private:
 126     int m_matrixLocation;
 127     int m_texMatrixLocation;
 128 };
 129
 130 class FragmentTexAlphaBinding {
 131 public:
 132     FragmentTexAlphaBinding();
 133
 134     void init(WebKit::WebGraphicsContext3D*, unsigned program, bool usingBindUniform, int* baseUniformIndex);
 135     int alphaLocation() const { return m_alphaLocation; }
 136     int edgeLocation() const { return -1; }
 137     int fragmentTexTransformLocation() const { return -1; }
 138     int samplerLocation() const { return m_samplerLocation; }
 139
 140 private:
 141     int m_samplerLocation;
 142     int m_alphaLocation;
 143 };
 144
 145 class FragmentTexOpaqueBinding {
 146 public:
 147     FragmentTexOpaqueBinding();
 148
 149     void init(WebKit::WebGraphicsContext3D*, unsigned program, bool usingBindUniform, int* baseUniformIndex);
 150     int alphaLocation() const { return -1; }
 151     int edgeLocation() const { return -1; }
 152     int fragmentTexTransformLocation() const { return -1; }
 153     int samplerLocation() const { return m_samplerLocation; }
 154
 155 private:
 156     int m_samplerLocation;
 157 };
 158
 159 class FragmentShaderRGBATexFlipAlpha : public FragmentTexAlphaBinding {
 160 public:
 161     std::string getShaderString() const;
 162 };
 163
 164 class FragmentShaderRGBATexAlpha : public FragmentTexAlphaBinding {
 165 public:
 166     std::string getShaderString() const;
 167 };
 168
 169 class FragmentShaderRGBATexRectFlipAlpha : public FragmentTexAlphaBinding {
 170 public:
 171     std::string getShaderString() const;
 172 };
 173
 174 class FragmentShaderRGBATexRectAlpha : public FragmentTexAlphaBinding {
 175 public:
 176     std::string getShaderString() const;
 177 };
 178
 179 class FragmentShaderRGBATexOpaque : public FragmentTexOpaqueBinding {
 180 public:
 181     std::string getShaderString() const;
 182 };
 183
 184 class FragmentShaderRGBATex : public FragmentTexOpaqueBinding {
 185 public:
 186     std::string getShaderString() const;
 187 };
 188
 189 // Swizzles the red and blue component of sampled texel with alpha.
 190 class FragmentShaderRGBATexSwizzleAlpha : public FragmentTexAlphaBinding {
 191 public:
 192     std::string getShaderString() const;
 193 };
 194
 195 // Swizzles the red and blue component of sampled texel without alpha.
 196 class FragmentShaderRGBATexSwizzleOpaque : public FragmentTexOpaqueBinding {
 197 public:
 198     std::string getShaderString() const;
 199 };
 200
 201 // Fragment shader for external textures.
 202 class FragmentShaderOESImageExternal : public FragmentTexAlphaBinding {
 203 public:
 204     std::string getShaderString() const;
 205     bool init(WebKit::WebGraphicsContext3D*, unsigned program, bool usingBindUniform, int* baseUniformIndex);
 206 private:
 207     int m_samplerLocation;
 208 };
 209
 210 class FragmentShaderRGBATexAlphaAA {
 211 public:
 212     FragmentShaderRGBATexAlphaAA();
 213
 214     void init(WebKit::WebGraphicsContext3D*, unsigned program, bool usingBindUniform, int* baseUniformIndex);
 215     std::string getShaderString() const;
 216
 217     int alphaLocation() const { return m_alphaLocation; }
 218     int samplerLocation() const { return m_samplerLocation; }
 219     int edgeLocation() const { return m_edgeLocation; }
 220
 221 private:
 222     int m_samplerLocation;
 223     int m_alphaLocation;
 224     int m_edgeLocation;
 225 };
 226
 227 class FragmentTexClampAlphaAABinding {
 228 public:
 229     FragmentTexClampAlphaAABinding();
 230
 231     void init(WebKit::WebGraphicsContext3D*, unsigned program, bool usingBindUniform, int* baseUniformIndex);
 232     int alphaLocation() const { return m_alphaLocation; }
 233     int samplerLocation() const { return m_samplerLocation; }
 234     int fragmentTexTransformLocation() const { return m_fragmentTexTransformLocation; }
 235     int edgeLocation() const { return m_edgeLocation; }
 236
 237 private:
 238     int m_samplerLocation;
 239     int m_alphaLocation;
 240     int m_fragmentTexTransformLocation;
 241     int m_edgeLocation;
 242 };
 243
 244 class FragmentShaderRGBATexClampAlphaAA : public FragmentTexClampAlphaAABinding {
 245 public:
 246     std::string getShaderString() const;
 247 };
 248
 249 // Swizzles the red and blue component of sampled texel.
 250 class FragmentShaderRGBATexClampSwizzleAlphaAA : public FragmentTexClampAlphaAABinding {
 251 public:
 252     std::string getShaderString() const;
 253 };
 254
 255 class FragmentShaderRGBATexAlphaMask {
 256 public:
 257     FragmentShaderRGBATexAlphaMask();
 258     std::string getShaderString() const;
 259
 260     void init(WebKit::WebGraphicsContext3D*, unsigned program, bool usingBindUniform, int* baseUniformIndex);
 261     int alphaLocation() const { return m_alphaLocation; }
 262     int samplerLocation() const { return m_samplerLocation; }
 263     int maskSamplerLocation() const { return m_maskSamplerLocation; }
 264     int maskTexCoordScaleLocation() const { return m_maskTexCoordScaleLocation; }
 265     int maskTexCoordOffsetLocation() const { return m_maskTexCoordOffsetLocation; }
 266
 267 private:
 268     int m_samplerLocation;
 269     int m_maskSamplerLocation;
 270     int m_alphaLocation;
 271     int m_maskTexCoordScaleLocation;
 272     int m_maskTexCoordOffsetLocation;
 273 };
 274
 275 class FragmentShaderRGBATexAlphaMaskAA {
 276 public:
 277     FragmentShaderRGBATexAlphaMaskAA();
 278     std::string getShaderString() const;
 279
 280     void init(WebKit::WebGraphicsContext3D*, unsigned program, bool usingBindUniform, int* baseUniformIndex);
 281     int alphaLocation() const { return m_alphaLocation; }
 282     int samplerLocation() const { return m_samplerLocation; }
 283     int maskSamplerLocation() const { return m_maskSamplerLocation; }
 284     int edgeLocation() const { return m_edgeLocation; }
 285     int maskTexCoordScaleLocation() const { return m_maskTexCoordScaleLocation; }
 286     int maskTexCoordOffsetLocation() const { return m_maskTexCoordOffsetLocation; }
 287
 288 private:
 289     int m_samplerLocation;
 290     int m_maskSamplerLocation;
 291     int m_alphaLocation;
 292     int m_edgeLocation;
 293     int m_maskTexCoordScaleLocation;
 294     int m_maskTexCoordOffsetLocation;
 295 };
 296
 297 class FragmentShaderYUVVideo {
 298 public:
 299     FragmentShaderYUVVideo();
 300     std::string getShaderString() const;
 301
 302     void init(WebKit::WebGraphicsContext3D*, unsigned program, bool usingBindUniform, int* baseUniformIndex);
 303
 304     int yTextureLocation() const { return m_yTextureLocation; }
 305     int uTextureLocation() const { return m_uTextureLocation; }
 306     int vTextureLocation() const { return m_vTextureLocation; }
 307     int alphaLocation() const { return m_alphaLocation; }
 308     int ccMatrixLocation() const { return m_ccMatrixLocation; }
 309     int yuvAdjLocation() const { return m_yuvAdjLocation; }
 310
 311 private:
 312     int m_yTextureLocation;
 313     int m_uTextureLocation;
 314     int m_vTextureLocation;
 315     int m_alphaLocation;
 316     int m_ccMatrixLocation;
 317     int m_yuvAdjLocation;
 318 };
 319
 320 class FragmentShaderColor {
 321 public:
 322     FragmentShaderColor();
 323     std::string getShaderString() const;
 324
 325     void init(WebKit::WebGraphicsContext3D*, unsigned program, bool usingBindUniform, int* baseUniformIndex);
 326     int colorLocation() const { return m_colorLocation; }
 327
 328 private:
 329     int m_colorLocation;
 330 };
 331
 332 class FragmentShaderCheckerboard {
 333 public:
 334     FragmentShaderCheckerboard();
 335     std::string getShaderString() const;
 336
 337     void init(WebKit::WebGraphicsContext3D*, unsigned program, bool usingBindUniform, int* baseUniformIndex);
 338     int alphaLocation() const { return m_alphaLocation; }
 339     int texTransformLocation() const { return m_texTransformLocation; }
 340     int frequencyLocation() const { return m_frequencyLocation; }
 341     int colorLocation() const { return m_colorLocation; }
 342 private:
 343     int m_alphaLocation;
 344     int m_texTransformLocation;
 345     int m_frequencyLocation;
 346     int m_colorLocation;
 347 };
 348
 349 } // namespace cc
 350
 351 #endif // USE(ACCELERATED_COMPOSITING)
 352
 353 #endif