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1 /* | 1 /* |
2 * Copyright 2011 Google Inc. | 2 * Copyright 2011 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 | 8 |
9 #ifndef GrGLProgram_DEFINED | 9 #ifndef GrGLProgram_DEFINED |
10 #define GrGLProgram_DEFINED | 10 #define GrGLProgram_DEFINED |
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119 } else { | 119 } else { |
120 destVec[2] = 2.f / fRenderTargetSize.fHeight; | 120 destVec[2] = 2.f / fRenderTargetSize.fHeight; |
121 destVec[3] = -1.f; | 121 destVec[3] = -1.f; |
122 } | 122 } |
123 } | 123 } |
124 }; | 124 }; |
125 | 125 |
126 /** | 126 /** |
127 * This function uploads uniforms and calls each GrGLProcessor's setData. It
is called before a | 127 * This function uploads uniforms and calls each GrGLProcessor's setData. It
is called before a |
128 * draw occurs using the program after the program has already been bound. I
t also uses the | 128 * draw occurs using the program after the program has already been bound. I
t also uses the |
129 * GrGpuGL object to bind the textures required by the GrGLProcessors. The c
olor and coverage | 129 * GrGLGpu object to bind the textures required by the GrGLProcessors. The c
olor and coverage |
130 * stages come from GrGLProgramDesc::Build(). | 130 * stages come from GrGLProgramDesc::Build(). |
131 */ | 131 */ |
132 void setData(const GrOptDrawState&); | 132 void setData(const GrOptDrawState&); |
133 | 133 |
134 protected: | 134 protected: |
135 typedef GrGLProgramDataManager::UniformHandle UniformHandle; | 135 typedef GrGLProgramDataManager::UniformHandle UniformHandle; |
136 typedef GrGLProgramDataManager::UniformInfoArray UniformInfoArray; | 136 typedef GrGLProgramDataManager::UniformInfoArray UniformInfoArray; |
137 | 137 |
138 GrGLProgram(GrGpuGL*, | 138 GrGLProgram(GrGLGpu*, |
139 const GrProgramDesc&, | 139 const GrProgramDesc&, |
140 const BuiltinUniformHandles&, | 140 const BuiltinUniformHandles&, |
141 GrGLuint programID, | 141 GrGLuint programID, |
142 const UniformInfoArray&, | 142 const UniformInfoArray&, |
143 GrGLInstalledGeoProc* geometryProcessor, | 143 GrGLInstalledGeoProc* geometryProcessor, |
144 GrGLInstalledXferProc* xferProcessor, | 144 GrGLInstalledXferProc* xferProcessor, |
145 GrGLInstalledFragProcs* fragmentProcessors); | 145 GrGLInstalledFragProcs* fragmentProcessors); |
146 | 146 |
147 // Sets the texture units for samplers. | 147 // Sets the texture units for samplers. |
148 void initSamplerUniforms(); | 148 void initSamplerUniforms(); |
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170 int fDstCopyTexUnit; | 170 int fDstCopyTexUnit; |
171 BuiltinUniformHandles fBuiltinUniformHandles; | 171 BuiltinUniformHandles fBuiltinUniformHandles; |
172 GrGLuint fProgramID; | 172 GrGLuint fProgramID; |
173 | 173 |
174 // the installed effects | 174 // the installed effects |
175 SkAutoTDelete<GrGLInstalledGeoProc> fGeometryProcessor; | 175 SkAutoTDelete<GrGLInstalledGeoProc> fGeometryProcessor; |
176 SkAutoTDelete<GrGLInstalledXferProc> fXferProcessor; | 176 SkAutoTDelete<GrGLInstalledXferProc> fXferProcessor; |
177 SkAutoTUnref<GrGLInstalledFragProcs> fFragmentProcessors; | 177 SkAutoTUnref<GrGLInstalledFragProcs> fFragmentProcessors; |
178 | 178 |
179 GrProgramDesc fDesc; | 179 GrProgramDesc fDesc; |
180 GrGpuGL* fGpu; | 180 GrGLGpu* fGpu; |
181 GrGLProgramDataManager fProgramDataManager; | 181 GrGLProgramDataManager fProgramDataManager; |
182 | 182 |
183 friend class GrGLProgramBuilder; | 183 friend class GrGLProgramBuilder; |
184 | 184 |
185 typedef SkRefCnt INHERITED; | 185 typedef SkRefCnt INHERITED; |
186 }; | 186 }; |
187 | 187 |
188 /* | 188 /* |
189 * Below are slight specializations of the program object for the different type
s of programs | 189 * Below are slight specializations of the program object for the different type
s of programs |
190 * The default GrGL programs consist of at the very least a vertex and fragment
shader. | 190 * The default GrGL programs consist of at the very least a vertex and fragment
shader. |
191 * Legacy Nvpr only has a fragment shader, 1.3+ Nvpr ignores the vertex shader,
but both require | 191 * Legacy Nvpr only has a fragment shader, 1.3+ Nvpr ignores the vertex shader,
but both require |
192 * specialized methods for setting transform data. Both types of NVPR also requi
re setting the | 192 * specialized methods for setting transform data. Both types of NVPR also requi
re setting the |
193 * projection matrix through a special function call | 193 * projection matrix through a special function call |
194 */ | 194 */ |
195 class GrGLNvprProgramBase : public GrGLProgram { | 195 class GrGLNvprProgramBase : public GrGLProgram { |
196 protected: | 196 protected: |
197 GrGLNvprProgramBase(GrGpuGL*, | 197 GrGLNvprProgramBase(GrGLGpu*, |
198 const GrProgramDesc&, | 198 const GrProgramDesc&, |
199 const BuiltinUniformHandles&, | 199 const BuiltinUniformHandles&, |
200 GrGLuint programID, | 200 GrGLuint programID, |
201 const UniformInfoArray&, | 201 const UniformInfoArray&, |
202 GrGLInstalledGeoProc*, | 202 GrGLInstalledGeoProc*, |
203 GrGLInstalledXferProc* xferProcessor, | 203 GrGLInstalledXferProc* xferProcessor, |
204 GrGLInstalledFragProcs* fragmentProcessors); | 204 GrGLInstalledFragProcs* fragmentProcessors); |
205 virtual void onSetMatrixAndRenderTargetHeight(const GrOptDrawState&); | 205 virtual void onSetMatrixAndRenderTargetHeight(const GrOptDrawState&); |
206 | 206 |
207 typedef GrGLProgram INHERITED; | 207 typedef GrGLProgram INHERITED; |
208 }; | 208 }; |
209 | 209 |
210 class GrGLNvprProgram : public GrGLNvprProgramBase { | 210 class GrGLNvprProgram : public GrGLNvprProgramBase { |
211 public: | 211 public: |
212 virtual bool hasVertexShader() const SK_OVERRIDE { return true; } | 212 virtual bool hasVertexShader() const SK_OVERRIDE { return true; } |
213 | 213 |
214 private: | 214 private: |
215 typedef GrGLNvprProgramBuilder::SeparableVaryingInfo SeparableVaryingInfo; | 215 typedef GrGLNvprProgramBuilder::SeparableVaryingInfo SeparableVaryingInfo; |
216 typedef GrGLNvprProgramBuilder::SeparableVaryingInfoArray SeparableVaryingIn
foArray; | 216 typedef GrGLNvprProgramBuilder::SeparableVaryingInfoArray SeparableVaryingIn
foArray; |
217 GrGLNvprProgram(GrGpuGL*, | 217 GrGLNvprProgram(GrGLGpu*, |
218 const GrProgramDesc&, | 218 const GrProgramDesc&, |
219 const BuiltinUniformHandles&, | 219 const BuiltinUniformHandles&, |
220 GrGLuint programID, | 220 GrGLuint programID, |
221 const UniformInfoArray&, | 221 const UniformInfoArray&, |
222 GrGLInstalledGeoProc*, | 222 GrGLInstalledGeoProc*, |
223 GrGLInstalledXferProc* xferProcessor, | 223 GrGLInstalledXferProc* xferProcessor, |
224 GrGLInstalledFragProcs* fragmentProcessors, | 224 GrGLInstalledFragProcs* fragmentProcessors, |
225 const SeparableVaryingInfoArray& separableVaryings); | 225 const SeparableVaryingInfoArray& separableVaryings); |
226 virtual void didSetData(GrGpu::DrawType) SK_OVERRIDE; | 226 virtual void didSetData(GrGpu::DrawType) SK_OVERRIDE; |
227 virtual void setTransformData(const GrPendingFragmentStage&, | 227 virtual void setTransformData(const GrPendingFragmentStage&, |
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238 friend class GrGLNvprProgramBuilder; | 238 friend class GrGLNvprProgramBuilder; |
239 | 239 |
240 typedef GrGLNvprProgramBase INHERITED; | 240 typedef GrGLNvprProgramBase INHERITED; |
241 }; | 241 }; |
242 | 242 |
243 class GrGLLegacyNvprProgram : public GrGLNvprProgramBase { | 243 class GrGLLegacyNvprProgram : public GrGLNvprProgramBase { |
244 public: | 244 public: |
245 virtual bool hasVertexShader() const SK_OVERRIDE { return false; } | 245 virtual bool hasVertexShader() const SK_OVERRIDE { return false; } |
246 | 246 |
247 private: | 247 private: |
248 GrGLLegacyNvprProgram(GrGpuGL* gpu, | 248 GrGLLegacyNvprProgram(GrGLGpu* gpu, |
249 const GrProgramDesc& desc, | 249 const GrProgramDesc& desc, |
250 const BuiltinUniformHandles&, | 250 const BuiltinUniformHandles&, |
251 GrGLuint programID, | 251 GrGLuint programID, |
252 const UniformInfoArray&, | 252 const UniformInfoArray&, |
253 GrGLInstalledGeoProc*, | 253 GrGLInstalledGeoProc*, |
254 GrGLInstalledXferProc* xp, | 254 GrGLInstalledXferProc* xp, |
255 GrGLInstalledFragProcs* fps, | 255 GrGLInstalledFragProcs* fps, |
256 int texCoordSetCnt); | 256 int texCoordSetCnt); |
257 virtual void didSetData(GrGpu::DrawType) SK_OVERRIDE; | 257 virtual void didSetData(GrGpu::DrawType) SK_OVERRIDE; |
258 virtual void setTransformData(const GrPendingFragmentStage&, | 258 virtual void setTransformData(const GrPendingFragmentStage&, |
259 GrGLInstalledFragProc*) SK_OVERRIDE; | 259 GrGLInstalledFragProc*) SK_OVERRIDE; |
260 | 260 |
261 int fTexCoordSetCnt; | 261 int fTexCoordSetCnt; |
262 | 262 |
263 friend class GrGLLegacyNvprProgramBuilder; | 263 friend class GrGLLegacyNvprProgramBuilder; |
264 | 264 |
265 typedef GrGLNvprProgramBase INHERITED; | 265 typedef GrGLNvprProgramBase INHERITED; |
266 }; | 266 }; |
267 | 267 |
268 #endif | 268 #endif |
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