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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 |
| (...skipping 134 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 145 }; | 145 }; |
| 146 | 146 |
| 147 /** | 147 /** |
| 148 * This function uploads uniforms and calls each GrGLProcessor's setData. It
is called before a | 148 * This function uploads uniforms and calls each GrGLProcessor's setData. It
is called before a |
| 149 * draw occurs using the program after the program has already been bound. I
t also uses the | 149 * draw occurs using the program after the program has already been bound. I
t also uses the |
| 150 * GrGpuGL object to bind the textures required by the GrGLProcessors. The c
olor and coverage | 150 * GrGpuGL object to bind the textures required by the GrGLProcessors. The c
olor and coverage |
| 151 * stages come from GrGLProgramDesc::Build(). | 151 * stages come from GrGLProgramDesc::Build(). |
| 152 */ | 152 */ |
| 153 void setData(const GrOptDrawState&, | 153 void setData(const GrOptDrawState&, |
| 154 GrGpu::DrawType, | 154 GrGpu::DrawType, |
| 155 const GrGeometryStage* geometryProcessor, | |
| 156 const GrFragmentStage* colorStages[], | |
| 157 const GrFragmentStage* coverageStages[], | |
| 158 const GrDeviceCoordTexture* dstCopy, // can be NULL | 155 const GrDeviceCoordTexture* dstCopy, // can be NULL |
| 159 SharedGLState*); | 156 SharedGLState*); |
| 160 | 157 |
| 161 protected: | 158 protected: |
| 162 typedef GrGLProgramDataManager::UniformHandle UniformHandle; | 159 typedef GrGLProgramDataManager::UniformHandle UniformHandle; |
| 163 typedef GrGLProgramDataManager::UniformInfoArray UniformInfoArray; | 160 typedef GrGLProgramDataManager::UniformInfoArray UniformInfoArray; |
| 164 | 161 |
| 165 GrGLProgram(GrGpuGL*, | 162 GrGLProgram(GrGpuGL*, |
| 166 const GrGLProgramDesc&, | 163 const GrGLProgramDesc&, |
| 167 const BuiltinUniformHandles&, | 164 const BuiltinUniformHandles&, |
| 168 GrGLuint programID, | 165 GrGLuint programID, |
| 169 const UniformInfoArray&, | 166 const UniformInfoArray&, |
| 170 GrGLInstalledProcessors* geometryProcessor, | 167 GrGLInstalledGeoProc* geometryProcessor, |
| 171 GrGLInstalledProcessors* colorProcessors, | 168 GrGLInstalledFragProcs* fragmentProcessors); |
| 172 GrGLInstalledProcessors* coverageProcessors); | |
| 173 | 169 |
| 174 // Sets the texture units for samplers. | 170 // Sets the texture units for samplers. |
| 175 void initSamplerUniforms(); | 171 void initSamplerUniforms(); |
| 176 void initSamplers(GrGLInstalledProcessors* processors, int* texUnitIdx); | 172 void initSamplers(GrGLInstalledProc*, int* texUnitIdx); |
| 177 | 173 |
| 178 // Helper for setData(). Makes GL calls to specify the initial color when th
ere is not | 174 // Helper for setData(). Makes GL calls to specify the initial color when th
ere is not |
| 179 // per-vertex colors. | 175 // per-vertex colors. |
| 180 void setColor(const GrOptDrawState&, GrColor color, SharedGLState*); | 176 void setColor(const GrOptDrawState&, GrColor color, SharedGLState*); |
| 181 | 177 |
| 182 // Helper for setData(). Makes GL calls to specify the initial coverage when
there is not | 178 // Helper for setData(). Makes GL calls to specify the initial coverage when
there is not |
| 183 // per-vertex coverages. | 179 // per-vertex coverages. |
| 184 void setCoverage(const GrOptDrawState&, GrColor coverage, SharedGLState*); | 180 void setCoverage(const GrOptDrawState&, GrColor coverage, SharedGLState*); |
| 185 | 181 |
| 186 // A templated helper to loop over effects, set the transforms(via subclass)
and bind textures | 182 // A templated helper to loop over effects, set the transforms(via subclass)
and bind textures |
| 187 template <class ProcessorStage> | 183 void setFragmentData(const GrOptDrawState&); |
| 188 void setData(const ProcessorStage* effectStages[], | 184 virtual void setTransformData(const GrFragmentStage& effectStage, GrGLInstal
ledFragProc* pe); |
| 189 GrGLInstalledProcessors* installedProcessors) { | 185 void bindTextures(const GrGLInstalledProc*, const GrProcessor&); |
| 190 int numEffects = installedProcessors->fGLProcessors.count(); | |
| 191 SkASSERT(numEffects == installedProcessors->fTransforms.count()); | |
| 192 SkASSERT(numEffects == installedProcessors->fSamplers.count()); | |
| 193 for (int e = 0; e < numEffects; ++e) { | |
| 194 const GrProcessor& effect = *effectStages[e]->getProcessor(); | |
| 195 installedProcessors->fGLProcessors[e]->setData(fProgramDataManager,
effect); | |
| 196 this->setTransformData(*effectStages[e], e, installedProcessors); | |
| 197 this->bindTextures(installedProcessors, effect, e); | |
| 198 } | |
| 199 } | |
| 200 virtual void setTransformData(const GrProcessorStage& effectStage, | |
| 201 int effectIdx, | |
| 202 GrGLInstalledProcessors* pe); | |
| 203 void bindTextures(const GrGLInstalledProcessors*, const GrProcessor&, int ef
fectIdx); | |
| 204 | 186 |
| 205 /* | 187 /* |
| 206 * Legacy NVPR needs a hook here to flush path tex gen settings. | 188 * Legacy NVPR needs a hook here to flush path tex gen settings. |
| 207 * TODO when legacy nvpr is removed, remove this call. | 189 * TODO when legacy nvpr is removed, remove this call. |
| 208 */ | 190 */ |
| 209 virtual void didSetData(GrGpu::DrawType); | 191 virtual void didSetData(GrGpu::DrawType); |
| 210 | 192 |
| 211 // Helper for setData() that sets the view matrix and loads the render targe
t height uniform | 193 // Helper for setData() that sets the view matrix and loads the render targe
t height uniform |
| 212 void setMatrixAndRenderTargetHeight(GrGpu::DrawType, const GrOptDrawState&); | 194 void setMatrixAndRenderTargetHeight(GrGpu::DrawType, const GrOptDrawState&); |
| 213 virtual void onSetMatrixAndRenderTargetHeight(GrGpu::DrawType, const GrOptDr
awState&); | 195 virtual void onSetMatrixAndRenderTargetHeight(GrGpu::DrawType, const GrOptDr
awState&); |
| 214 | 196 |
| 215 // these reflect the current values of uniforms (GL uniform values travel wi
th program) | 197 // these reflect the current values of uniforms (GL uniform values travel wi
th program) |
| 216 MatrixState fMatrixState; | 198 MatrixState fMatrixState; |
| 217 GrColor fColor; | 199 GrColor fColor; |
| 218 GrColor fCoverage; | 200 GrColor fCoverage; |
| 219 int fDstCopyTexUnit; | 201 int fDstCopyTexUnit; |
| 220 BuiltinUniformHandles fBuiltinUniformHandles; | 202 BuiltinUniformHandles fBuiltinUniformHandles; |
| 221 GrGLuint fProgramID; | 203 GrGLuint fProgramID; |
| 222 | 204 |
| 223 // the installed effects | 205 // the installed effects |
| 224 SkAutoTUnref<GrGLInstalledProcessors> fGeometryProcessor; | 206 SkAutoTDelete<GrGLInstalledGeoProc> fGeometryProcessor; |
| 225 SkAutoTUnref<GrGLInstalledProcessors> fColorEffects; | 207 SkAutoTUnref<GrGLInstalledFragProcs> fFragmentProcessors; |
| 226 SkAutoTUnref<GrGLInstalledProcessors> fCoverageEffects; | |
| 227 | 208 |
| 228 GrGLProgramDesc fDesc; | 209 GrGLProgramDesc fDesc; |
| 229 GrGpuGL* fGpu; | 210 GrGpuGL* fGpu; |
| 230 GrGLProgramDataManager fProgramDataManager; | 211 GrGLProgramDataManager fProgramDataManager; |
| 231 | 212 |
| 232 friend class GrGLProgramBuilder; | 213 friend class GrGLProgramBuilder; |
| 233 | 214 |
| 234 typedef SkRefCnt INHERITED; | 215 typedef SkRefCnt INHERITED; |
| 235 }; | 216 }; |
| 236 | 217 |
| 237 /* | 218 /* |
| 238 * Below are slight specializations of the program object for the different type
s of programs | 219 * Below are slight specializations of the program object for the different type
s of programs |
| 239 * The default GrGL programs consist of at the very least a vertex and fragment
shader. | 220 * The default GrGL programs consist of at the very least a vertex and fragment
shader. |
| 240 * Legacy Nvpr only has a fragment shader, 1.3+ Nvpr ignores the vertex shader,
but both require | 221 * Legacy Nvpr only has a fragment shader, 1.3+ Nvpr ignores the vertex shader,
but both require |
| 241 * specialized methods for setting transform data. Both types of NVPR also requi
re setting the | 222 * specialized methods for setting transform data. Both types of NVPR also requi
re setting the |
| 242 * projection matrix through a special function call | 223 * projection matrix through a special function call |
| 243 */ | 224 */ |
| 244 class GrGLNvprProgramBase : public GrGLProgram { | 225 class GrGLNvprProgramBase : public GrGLProgram { |
| 245 protected: | 226 protected: |
| 246 GrGLNvprProgramBase(GrGpuGL*, | 227 GrGLNvprProgramBase(GrGpuGL*, |
| 247 const GrGLProgramDesc&, | 228 const GrGLProgramDesc&, |
| 248 const BuiltinUniformHandles&, | 229 const BuiltinUniformHandles&, |
| 249 GrGLuint programID, | 230 GrGLuint programID, |
| 250 const UniformInfoArray&, | 231 const UniformInfoArray&, |
| 251 GrGLInstalledProcessors* colorProcessors, | 232 GrGLInstalledFragProcs* fragmentProcessors); |
| 252 GrGLInstalledProcessors* coverageProcessors); | |
| 253 virtual void onSetMatrixAndRenderTargetHeight(GrGpu::DrawType, const GrOptDr
awState&); | 233 virtual void onSetMatrixAndRenderTargetHeight(GrGpu::DrawType, const GrOptDr
awState&); |
| 254 | 234 |
| 255 typedef GrGLProgram INHERITED; | 235 typedef GrGLProgram INHERITED; |
| 256 }; | 236 }; |
| 257 | 237 |
| 258 class GrGLNvprProgram : public GrGLNvprProgramBase { | 238 class GrGLNvprProgram : public GrGLNvprProgramBase { |
| 259 public: | 239 public: |
| 260 virtual bool hasVertexShader() const SK_OVERRIDE { return true; } | 240 virtual bool hasVertexShader() const SK_OVERRIDE { return true; } |
| 261 | 241 |
| 262 private: | 242 private: |
| 263 typedef GrGLNvprProgramBuilder::SeparableVaryingInfo SeparableVaryingInfo; | 243 typedef GrGLNvprProgramBuilder::SeparableVaryingInfo SeparableVaryingInfo; |
| 264 typedef GrGLNvprProgramBuilder::SeparableVaryingInfoArray SeparableVaryingIn
foArray; | 244 typedef GrGLNvprProgramBuilder::SeparableVaryingInfoArray SeparableVaryingIn
foArray; |
| 265 GrGLNvprProgram(GrGpuGL*, | 245 GrGLNvprProgram(GrGpuGL*, |
| 266 const GrGLProgramDesc&, | 246 const GrGLProgramDesc&, |
| 267 const BuiltinUniformHandles&, | 247 const BuiltinUniformHandles&, |
| 268 GrGLuint programID, | 248 GrGLuint programID, |
| 269 const UniformInfoArray&, | 249 const UniformInfoArray&, |
| 270 GrGLInstalledProcessors* colorProcessors, | 250 GrGLInstalledFragProcs* fragmentProcessors, |
| 271 GrGLInstalledProcessors* coverageProcessors, | |
| 272 const SeparableVaryingInfoArray& separableVaryings); | 251 const SeparableVaryingInfoArray& separableVaryings); |
| 273 virtual void didSetData(GrGpu::DrawType) SK_OVERRIDE; | 252 virtual void didSetData(GrGpu::DrawType) SK_OVERRIDE; |
| 274 virtual void setTransformData(const GrProcessorStage&, | 253 virtual void setTransformData(const GrFragmentStage&, GrGLInstalledFragProc*
) SK_OVERRIDE; |
| 275 int effectIdx, | |
| 276 GrGLInstalledProcessors*) SK_OVERRIDE; | |
| 277 | 254 |
| 278 struct Varying { | 255 struct Varying { |
| 279 GrGLint fLocation; | 256 GrGLint fLocation; |
| 280 SkDEBUGCODE( | 257 SkDEBUGCODE( |
| 281 GrSLType fType; | 258 GrSLType fType; |
| 282 ); | 259 ); |
| 283 }; | 260 }; |
| 284 SkTArray<Varying, true> fVaryings; | 261 SkTArray<Varying, true> fVaryings; |
| 285 | 262 |
| 286 friend class GrGLNvprProgramBuilder; | 263 friend class GrGLNvprProgramBuilder; |
| 287 | 264 |
| 288 typedef GrGLNvprProgramBase INHERITED; | 265 typedef GrGLNvprProgramBase INHERITED; |
| 289 }; | 266 }; |
| 290 | 267 |
| 291 class GrGLLegacyNvprProgram : public GrGLNvprProgramBase { | 268 class GrGLLegacyNvprProgram : public GrGLNvprProgramBase { |
| 292 public: | 269 public: |
| 293 virtual bool hasVertexShader() const SK_OVERRIDE { return false; } | 270 virtual bool hasVertexShader() const SK_OVERRIDE { return false; } |
| 294 | 271 |
| 295 private: | 272 private: |
| 296 GrGLLegacyNvprProgram(GrGpuGL* gpu, | 273 GrGLLegacyNvprProgram(GrGpuGL* gpu, |
| 297 const GrGLProgramDesc& desc, | 274 const GrGLProgramDesc& desc, |
| 298 const BuiltinUniformHandles&, | 275 const BuiltinUniformHandles&, |
| 299 GrGLuint programID, | 276 GrGLuint programID, |
| 300 const UniformInfoArray&, | 277 const UniformInfoArray&, |
| 301 GrGLInstalledProcessors* colorProcessors, | 278 GrGLInstalledFragProcs* fragmentProcessors, |
| 302 GrGLInstalledProcessors* coverageProcessors, | |
| 303 int texCoordSetCnt); | 279 int texCoordSetCnt); |
| 304 virtual void didSetData(GrGpu::DrawType) SK_OVERRIDE; | 280 virtual void didSetData(GrGpu::DrawType) SK_OVERRIDE; |
| 305 virtual void setTransformData(const GrProcessorStage&, | 281 virtual void setTransformData(const GrFragmentStage&, GrGLInstalledFragProc*
) SK_OVERRIDE; |
| 306 int effectIdx, | |
| 307 GrGLInstalledProcessors*) SK_OVERRIDE; | |
| 308 | 282 |
| 309 int fTexCoordSetCnt; | 283 int fTexCoordSetCnt; |
| 310 | 284 |
| 311 friend class GrGLLegacyNvprProgramBuilder; | 285 friend class GrGLLegacyNvprProgramBuilder; |
| 312 | 286 |
| 313 typedef GrGLNvprProgramBase INHERITED; | 287 typedef GrGLNvprProgramBase INHERITED; |
| 314 }; | 288 }; |
| 315 | 289 |
| 316 #endif | 290 #endif |
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