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| 1 /* | 1 /* |
| 2 * Copyright 2012 The Android Open Source Project | 2 * Copyright 2012 The Android Open Source Project |
| 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 #include "SkMorphologyImageFilter.h" | 8 #include "SkMorphologyImageFilter.h" |
| 9 #include "SkBitmap.h" | 9 #include "SkBitmap.h" |
| 10 #include "SkColorPriv.h" | 10 #include "SkColorPriv.h" |
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| 325 | 325 |
| 326 typedef Gr1DKernelEffect INHERITED; | 326 typedef Gr1DKernelEffect INHERITED; |
| 327 }; | 327 }; |
| 328 | 328 |
| 329 /////////////////////////////////////////////////////////////////////////////// | 329 /////////////////////////////////////////////////////////////////////////////// |
| 330 | 330 |
| 331 class GrGLMorphologyEffect : public GrGLFragmentProcessor { | 331 class GrGLMorphologyEffect : public GrGLFragmentProcessor { |
| 332 public: | 332 public: |
| 333 GrGLMorphologyEffect (const GrBackendProcessorFactory&, const GrProcessor&); | 333 GrGLMorphologyEffect (const GrBackendProcessorFactory&, const GrProcessor&); |
| 334 | 334 |
| 335 virtual void emitCode(GrGLProgramBuilder*, | 335 virtual void emitCode(GrGLFPBuilder*, |
| 336 const GrFragmentProcessor&, | 336 const GrFragmentProcessor&, |
| 337 const GrProcessorKey&, | 337 const GrProcessorKey&, |
| 338 const char* outputColor, | 338 const char* outputColor, |
| 339 const char* inputColor, | 339 const char* inputColor, |
| 340 const TransformedCoordsArray&, | 340 const TransformedCoordsArray&, |
| 341 const TextureSamplerArray&) SK_OVERRIDE; | 341 const TextureSamplerArray&) SK_OVERRIDE; |
| 342 | 342 |
| 343 static inline void GenKey(const GrProcessor&, const GrGLCaps&, GrProcessorKe
yBuilder* b); | 343 static inline void GenKey(const GrProcessor&, const GrGLCaps&, GrProcessorKe
yBuilder* b); |
| 344 | 344 |
| 345 virtual void setData(const GrGLProgramDataManager&, const GrProcessor&) SK_O
VERRIDE; | 345 virtual void setData(const GrGLProgramDataManager&, const GrProcessor&) SK_O
VERRIDE; |
| 346 | 346 |
| 347 private: | 347 private: |
| 348 int width() const { return GrMorphologyEffect::WidthFromRadius(fRadius); } | 348 int width() const { return GrMorphologyEffect::WidthFromRadius(fRadius); } |
| 349 | 349 |
| 350 int fRadius; | 350 int fRadius; |
| 351 GrMorphologyEffect::MorphologyType fType; | 351 GrMorphologyEffect::MorphologyType fType; |
| 352 GrGLProgramDataManager::UniformHandle fImageIncrementUni; | 352 GrGLProgramDataManager::UniformHandle fImageIncrementUni; |
| 353 | 353 |
| 354 typedef GrGLFragmentProcessor INHERITED; | 354 typedef GrGLFragmentProcessor INHERITED; |
| 355 }; | 355 }; |
| 356 | 356 |
| 357 GrGLMorphologyEffect::GrGLMorphologyEffect(const GrBackendProcessorFactory& fact
ory, | 357 GrGLMorphologyEffect::GrGLMorphologyEffect(const GrBackendProcessorFactory& fact
ory, |
| 358 const GrProcessor& proc) | 358 const GrProcessor& proc) |
| 359 : INHERITED(factory) { | 359 : INHERITED(factory) { |
| 360 const GrMorphologyEffect& m = proc.cast<GrMorphologyEffect>(); | 360 const GrMorphologyEffect& m = proc.cast<GrMorphologyEffect>(); |
| 361 fRadius = m.radius(); | 361 fRadius = m.radius(); |
| 362 fType = m.type(); | 362 fType = m.type(); |
| 363 } | 363 } |
| 364 | 364 |
| 365 void GrGLMorphologyEffect::emitCode(GrGLProgramBuilder* builder, | 365 void GrGLMorphologyEffect::emitCode(GrGLFPBuilder* builder, |
| 366 const GrFragmentProcessor&, | 366 const GrFragmentProcessor&, |
| 367 const GrProcessorKey& key, | 367 const GrProcessorKey& key, |
| 368 const char* outputColor, | 368 const char* outputColor, |
| 369 const char* inputColor, | 369 const char* inputColor, |
| 370 const TransformedCoordsArray& coords, | 370 const TransformedCoordsArray& coords, |
| 371 const TextureSamplerArray& samplers) { | 371 const TextureSamplerArray& samplers) { |
| 372 fImageIncrementUni = builder->addUniform(GrGLProgramBuilder::kFragment_Visib
ility, | 372 fImageIncrementUni = builder->addUniform(GrGLProgramBuilder::kFragment_Visib
ility, |
| 373 kVec2f_GrSLType, "ImageIncrement"); | 373 kVec2f_GrSLType, "ImageIncrement"); |
| 374 | 374 |
| 375 GrGLFragmentShaderBuilder* fsBuilder = builder->getFragmentShaderBuilder(); | 375 GrGLFPFragmentBuilder* fsBuilder = builder->getFragmentShaderBuilder(); |
| 376 SkString coords2D = fsBuilder->ensureFSCoords2D(coords, 0); | 376 SkString coords2D = fsBuilder->ensureFSCoords2D(coords, 0); |
| 377 const char* func; | 377 const char* func; |
| 378 switch (fType) { | 378 switch (fType) { |
| 379 case GrMorphologyEffect::kErode_MorphologyType: | 379 case GrMorphologyEffect::kErode_MorphologyType: |
| 380 fsBuilder->codeAppendf("\t\t%s = vec4(1, 1, 1, 1);\n", outputColor); | 380 fsBuilder->codeAppendf("\t\t%s = vec4(1, 1, 1, 1);\n", outputColor); |
| 381 func = "min"; | 381 func = "min"; |
| 382 break; | 382 break; |
| 383 case GrMorphologyEffect::kDilate_MorphologyType: | 383 case GrMorphologyEffect::kDilate_MorphologyType: |
| 384 fsBuilder->codeAppendf("\t\t%s = vec4(0, 0, 0, 0);\n", outputColor); | 384 fsBuilder->codeAppendf("\t\t%s = vec4(0, 0, 0, 0);\n", outputColor); |
| 385 func = "max"; | 385 func = "max"; |
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| 604 SkBitmap* result, SkIPoint* offset) con
st { | 604 SkBitmap* result, SkIPoint* offset) con
st { |
| 605 return this->filterImageGPUGeneric(true, proxy, src, ctx, result, offset); | 605 return this->filterImageGPUGeneric(true, proxy, src, ctx, result, offset); |
| 606 } | 606 } |
| 607 | 607 |
| 608 bool SkErodeImageFilter::filterImageGPU(Proxy* proxy, const SkBitmap& src, const
Context& ctx, | 608 bool SkErodeImageFilter::filterImageGPU(Proxy* proxy, const SkBitmap& src, const
Context& ctx, |
| 609 SkBitmap* result, SkIPoint* offset) cons
t { | 609 SkBitmap* result, SkIPoint* offset) cons
t { |
| 610 return this->filterImageGPUGeneric(false, proxy, src, ctx, result, offset); | 610 return this->filterImageGPUGeneric(false, proxy, src, ctx, result, offset); |
| 611 } | 611 } |
| 612 | 612 |
| 613 #endif | 613 #endif |
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