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1 /* | 1 /* |
2 * Copyright 2014 Google Inc. | 2 * Copyright 2014 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 #ifndef GrGLProgramBuilder_DEFINED | 8 #ifndef GrGLProgramBuilder_DEFINED |
9 #define GrGLProgramBuilder_DEFINED | 9 #define GrGLProgramBuilder_DEFINED |
10 | 10 |
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64 | 64 |
65 virtual const GrGLShaderVar& getUniformVariable(UniformHandle u) const = 0; | 65 virtual const GrGLShaderVar& getUniformVariable(UniformHandle u) const = 0; |
66 | 66 |
67 /** | 67 /** |
68 * Shortcut for getUniformVariable(u).c_str() | 68 * Shortcut for getUniformVariable(u).c_str() |
69 */ | 69 */ |
70 virtual const char* getUniformCStr(UniformHandle u) const = 0; | 70 virtual const char* getUniformCStr(UniformHandle u) const = 0; |
71 | 71 |
72 virtual const GrGLContextInfo& ctxInfo() const = 0; | 72 virtual const GrGLContextInfo& ctxInfo() const = 0; |
73 | 73 |
74 virtual GrGpuGL* gpu() const = 0; | 74 virtual GrGLGpu* gpu() const = 0; |
75 | 75 |
76 /* | 76 /* |
77 * *NOTE* NO MEMBERS ALLOWED, MULTIPLE INHERITANCE | 77 * *NOTE* NO MEMBERS ALLOWED, MULTIPLE INHERITANCE |
78 */ | 78 */ |
79 }; | 79 }; |
80 | 80 |
81 // TODO move this into GrGLGPBuilder and move them both out of this file | 81 // TODO move this into GrGLGPBuilder and move them both out of this file |
82 class GrGLVarying { | 82 class GrGLVarying { |
83 public: | 83 public: |
84 bool vsVarying() const { return kVertToFrag_Varying == fVarying || | 84 bool vsVarying() const { return kVertToFrag_Varying == fVarying || |
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198 public GrGLFPBuilder, | 198 public GrGLFPBuilder, |
199 public GrGLXPBuilder { | 199 public GrGLXPBuilder { |
200 public: | 200 public: |
201 /** Generates a shader program. | 201 /** Generates a shader program. |
202 * | 202 * |
203 * The program implements what is specified in the stages given as input. | 203 * The program implements what is specified in the stages given as input. |
204 * After successful generation, the builder result objects are available | 204 * After successful generation, the builder result objects are available |
205 * to be used. | 205 * to be used. |
206 * @return true if generation was successful. | 206 * @return true if generation was successful. |
207 */ | 207 */ |
208 static GrGLProgram* CreateProgram(const GrOptDrawState&, GrGpuGL*); | 208 static GrGLProgram* CreateProgram(const GrOptDrawState&, GrGLGpu*); |
209 | 209 |
210 UniformHandle addUniformArray(uint32_t visibility, | 210 UniformHandle addUniformArray(uint32_t visibility, |
211 GrSLType type, | 211 GrSLType type, |
212 GrSLPrecision precision, | 212 GrSLPrecision precision, |
213 const char* name, | 213 const char* name, |
214 int arrayCount, | 214 int arrayCount, |
215 const char** outName) SK_OVERRIDE; | 215 const char** outName) SK_OVERRIDE; |
216 | 216 |
217 const GrGLShaderVar& getUniformVariable(UniformHandle u) const SK_OVERRIDE { | 217 const GrGLShaderVar& getUniformVariable(UniformHandle u) const SK_OVERRIDE { |
218 return fUniforms[u.toShaderBuilderIndex()].fVariable; | 218 return fUniforms[u.toShaderBuilderIndex()].fVariable; |
219 } | 219 } |
220 | 220 |
221 const char* getUniformCStr(UniformHandle u) const SK_OVERRIDE { | 221 const char* getUniformCStr(UniformHandle u) const SK_OVERRIDE { |
222 return this->getUniformVariable(u).c_str(); | 222 return this->getUniformVariable(u).c_str(); |
223 } | 223 } |
224 | 224 |
225 const GrGLContextInfo& ctxInfo() const SK_OVERRIDE; | 225 const GrGLContextInfo& ctxInfo() const SK_OVERRIDE; |
226 | 226 |
227 GrGpuGL* gpu() const SK_OVERRIDE { return fGpu; } | 227 GrGLGpu* gpu() const SK_OVERRIDE { return fGpu; } |
228 | 228 |
229 GrGLFPFragmentBuilder* getFragmentShaderBuilder() SK_OVERRIDE { return &fFS;
} | 229 GrGLFPFragmentBuilder* getFragmentShaderBuilder() SK_OVERRIDE { return &fFS;
} |
230 GrGLVertexBuilder* getVertexShaderBuilder() SK_OVERRIDE { return &fVS; } | 230 GrGLVertexBuilder* getVertexShaderBuilder() SK_OVERRIDE { return &fVS; } |
231 | 231 |
232 void addVarying( | 232 void addVarying( |
233 const char* name, | 233 const char* name, |
234 GrGLVarying*, | 234 GrGLVarying*, |
235 GrSLPrecision fsPrecision = kDefault_GrSLPrecision) SK_OVERRIDE; | 235 GrSLPrecision fsPrecision = kDefault_GrSLPrecision) SK_OVERRIDE; |
236 | 236 |
237 void addPassThroughAttribute(const GrGeometryProcessor::GrAttribute*, | 237 void addPassThroughAttribute(const GrGeometryProcessor::GrAttribute*, |
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252 UniformHandle fDstCopyScaleUni; | 252 UniformHandle fDstCopyScaleUni; |
253 UniformHandle fDstCopySamplerUni; | 253 UniformHandle fDstCopySamplerUni; |
254 }; | 254 }; |
255 | 255 |
256 protected: | 256 protected: |
257 typedef GrGLProgramDataManager::UniformInfo UniformInfo; | 257 typedef GrGLProgramDataManager::UniformInfo UniformInfo; |
258 typedef GrGLProgramDataManager::UniformInfoArray UniformInfoArray; | 258 typedef GrGLProgramDataManager::UniformInfoArray UniformInfoArray; |
259 | 259 |
260 static GrGLProgramBuilder* CreateProgramBuilder(const GrOptDrawState&, | 260 static GrGLProgramBuilder* CreateProgramBuilder(const GrOptDrawState&, |
261 bool hasGeometryProcessor, | 261 bool hasGeometryProcessor, |
262 GrGpuGL*); | 262 GrGLGpu*); |
263 | 263 |
264 GrGLProgramBuilder(GrGpuGL*, const GrOptDrawState&); | 264 GrGLProgramBuilder(GrGLGpu*, const GrOptDrawState&); |
265 | 265 |
266 const GrOptDrawState& optState() const { return fOptState; } | 266 const GrOptDrawState& optState() const { return fOptState; } |
267 const GrProgramDesc& desc() const { return fDesc; } | 267 const GrProgramDesc& desc() const { return fDesc; } |
268 const GrProgramDesc::KeyHeader& header() const { return fDesc.header(); } | 268 const GrProgramDesc::KeyHeader& header() const { return fDesc.header(); } |
269 | 269 |
270 // Generates a name for a variable. The generated string will be name prefix
ed by the prefix | 270 // Generates a name for a variable. The generated string will be name prefix
ed by the prefix |
271 // char (unless the prefix is '\0'). It also mangles the name to be stage-sp
ecific if we're | 271 // char (unless the prefix is '\0'). It also mangles the name to be stage-sp
ecific if we're |
272 // generating stage code. | 272 // generating stage code. |
273 void nameVariable(SkString* out, char prefix, const char* name); | 273 void nameVariable(SkString* out, char prefix, const char* name); |
274 // Generates a possibly mangled name for a stage variable and writes it to t
he fragment shader. | 274 // Generates a possibly mangled name for a stage variable and writes it to t
he fragment shader. |
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370 GrGLFragmentShaderBuilder fFS; | 370 GrGLFragmentShaderBuilder fFS; |
371 bool fOutOfStage; | 371 bool fOutOfStage; |
372 int fStageIndex; | 372 int fStageIndex; |
373 | 373 |
374 GrGLInstalledGeoProc* fGeometryProcessor; | 374 GrGLInstalledGeoProc* fGeometryProcessor; |
375 GrGLInstalledXferProc* fXferProcessor; | 375 GrGLInstalledXferProc* fXferProcessor; |
376 SkAutoTUnref<GrGLInstalledFragProcs> fFragmentProcessors; | 376 SkAutoTUnref<GrGLInstalledFragProcs> fFragmentProcessors; |
377 | 377 |
378 const GrOptDrawState& fOptState; | 378 const GrOptDrawState& fOptState; |
379 const GrProgramDesc& fDesc; | 379 const GrProgramDesc& fDesc; |
380 GrGpuGL* fGpu; | 380 GrGLGpu* fGpu; |
381 UniformInfoArray fUniforms; | 381 UniformInfoArray fUniforms; |
382 SkSTArray<16, TransformVarying, true> fCoordVaryings; | 382 SkSTArray<16, TransformVarying, true> fCoordVaryings; |
383 | 383 |
384 friend class GrGLShaderBuilder; | 384 friend class GrGLShaderBuilder; |
385 friend class GrGLVertexBuilder; | 385 friend class GrGLVertexBuilder; |
386 friend class GrGLFragmentShaderBuilder; | 386 friend class GrGLFragmentShaderBuilder; |
387 friend class GrGLGeometryBuilder; | 387 friend class GrGLGeometryBuilder; |
388 }; | 388 }; |
389 | 389 |
390 /** | 390 /** |
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437 SkAutoTDelete<GrGLFragmentProcessor> fGLProc; | 437 SkAutoTDelete<GrGLFragmentProcessor> fGLProc; |
438 SkSTArray<2, Transform, true> fTransforms; | 438 SkSTArray<2, Transform, true> fTransforms; |
439 }; | 439 }; |
440 | 440 |
441 struct GrGLInstalledFragProcs : public SkRefCnt { | 441 struct GrGLInstalledFragProcs : public SkRefCnt { |
442 virtual ~GrGLInstalledFragProcs(); | 442 virtual ~GrGLInstalledFragProcs(); |
443 SkSTArray<8, GrGLInstalledFragProc*, true> fProcs; | 443 SkSTArray<8, GrGLInstalledFragProc*, true> fProcs; |
444 }; | 444 }; |
445 | 445 |
446 #endif | 446 #endif |
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