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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 #include "GrYUVtoRGBEffect.h" | 8 #include "GrYUVtoRGBEffect.h" |
| 9 | 9 |
| 10 #include "GrCoordTransform.h" | 10 #include "GrCoordTransform.h" |
| 11 #include "GrInvariantOutput.h" | 11 #include "GrInvariantOutput.h" |
| 12 #include "GrProcessor.h" | 12 #include "GrProcessor.h" |
| 13 #include "gl/GrGLFragmentProcessor.h" | 13 #include "glsl/GrGLSLFragmentProcessor.h" |
| 14 #include "glsl/GrGLSLFragmentShaderBuilder.h" | 14 #include "glsl/GrGLSLFragmentShaderBuilder.h" |
| 15 #include "glsl/GrGLSLProgramBuilder.h" | 15 #include "glsl/GrGLSLProgramBuilder.h" |
| 16 #include "glsl/GrGLSLProgramDataManager.h" | 16 #include "glsl/GrGLSLProgramDataManager.h" |
| 17 | 17 |
| 18 namespace { | 18 namespace { |
| 19 | 19 |
| 20 class YUVtoRGBEffect : public GrFragmentProcessor { | 20 class YUVtoRGBEffect : public GrFragmentProcessor { |
| 21 public: | 21 public: |
| 22 static GrFragmentProcessor* Create(GrTexture* yTexture, GrTexture* uTexture, | 22 static GrFragmentProcessor* Create(GrTexture* yTexture, GrTexture* uTexture, |
| 23 GrTexture* vTexture, const SkISize sizes[
3], | 23 GrTexture* vTexture, const SkISize sizes[
3], |
| (...skipping 21 matching lines...) Expand all Loading... |
| 45 return new YUVtoRGBEffect(yTexture, uTexture, vTexture, yuvMatrix, uvFil
terMode, | 45 return new YUVtoRGBEffect(yTexture, uTexture, vTexture, yuvMatrix, uvFil
terMode, |
| 46 colorSpace); | 46 colorSpace); |
| 47 } | 47 } |
| 48 | 48 |
| 49 const char* name() const override { return "YUV to RGB"; } | 49 const char* name() const override { return "YUV to RGB"; } |
| 50 | 50 |
| 51 SkYUVColorSpace getColorSpace() const { | 51 SkYUVColorSpace getColorSpace() const { |
| 52 return fColorSpace; | 52 return fColorSpace; |
| 53 } | 53 } |
| 54 | 54 |
| 55 class GLProcessor : public GrGLFragmentProcessor { | 55 class GLProcessor : public GrGLSLFragmentProcessor { |
| 56 public: | 56 public: |
| 57 static const float kJPEGConversionMatrix[16]; | 57 static const float kJPEGConversionMatrix[16]; |
| 58 static const float kRec601ConversionMatrix[16]; | 58 static const float kRec601ConversionMatrix[16]; |
| 59 static const float kRec709ConversionMatrix[16]; | 59 static const float kRec709ConversionMatrix[16]; |
| 60 | 60 |
| 61 // this class always generates the same code. | 61 // this class always generates the same code. |
| 62 static void GenKey(const GrProcessor&, const GrGLSLCaps&, GrProcessorKey
Builder*) {} | 62 static void GenKey(const GrProcessor&, const GrGLSLCaps&, GrProcessorKey
Builder*) {} |
| 63 | 63 |
| 64 GLProcessor(const GrProcessor&) {} | 64 GLProcessor(const GrProcessor&) {} |
| 65 | 65 |
| (...skipping 29 matching lines...) Expand all Loading... |
| 95 break; | 95 break; |
| 96 case kRec709_SkYUVColorSpace: | 96 case kRec709_SkYUVColorSpace: |
| 97 pdman.setMatrix4f(fMatrixUni, kRec709ConversionMatrix); | 97 pdman.setMatrix4f(fMatrixUni, kRec709ConversionMatrix); |
| 98 break; | 98 break; |
| 99 } | 99 } |
| 100 } | 100 } |
| 101 | 101 |
| 102 private: | 102 private: |
| 103 GrGLSLProgramDataManager::UniformHandle fMatrixUni; | 103 GrGLSLProgramDataManager::UniformHandle fMatrixUni; |
| 104 | 104 |
| 105 typedef GrGLFragmentProcessor INHERITED; | 105 typedef GrGLSLFragmentProcessor INHERITED; |
| 106 }; | 106 }; |
| 107 | 107 |
| 108 private: | 108 private: |
| 109 YUVtoRGBEffect(GrTexture* yTexture, GrTexture* uTexture, GrTexture* vTexture
, | 109 YUVtoRGBEffect(GrTexture* yTexture, GrTexture* uTexture, GrTexture* vTexture
, |
| 110 const SkMatrix yuvMatrix[3], GrTextureParams::FilterMode uvFi
lterMode, | 110 const SkMatrix yuvMatrix[3], GrTextureParams::FilterMode uvFi
lterMode, |
| 111 SkYUVColorSpace colorSpace) | 111 SkYUVColorSpace colorSpace) |
| 112 : fYTransform(kLocal_GrCoordSet, yuvMatrix[0], yTexture, GrTextureParams::kN
one_FilterMode) | 112 : fYTransform(kLocal_GrCoordSet, yuvMatrix[0], yTexture, GrTextureParams::kN
one_FilterMode) |
| 113 , fYAccess(yTexture) | 113 , fYAccess(yTexture) |
| 114 , fUTransform(kLocal_GrCoordSet, yuvMatrix[1], uTexture, uvFilterMode) | 114 , fUTransform(kLocal_GrCoordSet, yuvMatrix[1], uTexture, uvFilterMode) |
| 115 , fUAccess(uTexture, uvFilterMode) | 115 , fUAccess(uTexture, uvFilterMode) |
| 116 , fVTransform(kLocal_GrCoordSet, yuvMatrix[2], vTexture, uvFilterMode) | 116 , fVTransform(kLocal_GrCoordSet, yuvMatrix[2], vTexture, uvFilterMode) |
| 117 , fVAccess(vTexture, uvFilterMode) | 117 , fVAccess(vTexture, uvFilterMode) |
| 118 , fColorSpace(colorSpace) { | 118 , fColorSpace(colorSpace) { |
| 119 this->initClassID<YUVtoRGBEffect>(); | 119 this->initClassID<YUVtoRGBEffect>(); |
| 120 this->addCoordTransform(&fYTransform); | 120 this->addCoordTransform(&fYTransform); |
| 121 this->addTextureAccess(&fYAccess); | 121 this->addTextureAccess(&fYAccess); |
| 122 this->addCoordTransform(&fUTransform); | 122 this->addCoordTransform(&fUTransform); |
| 123 this->addTextureAccess(&fUAccess); | 123 this->addTextureAccess(&fUAccess); |
| 124 this->addCoordTransform(&fVTransform); | 124 this->addCoordTransform(&fVTransform); |
| 125 this->addTextureAccess(&fVAccess); | 125 this->addTextureAccess(&fVAccess); |
| 126 } | 126 } |
| 127 | 127 |
| 128 GrGLFragmentProcessor* onCreateGLInstance() const override { return new GLPr
ocessor(*this); } | 128 GrGLSLFragmentProcessor* onCreateGLInstance() const override { return new GL
Processor(*this); } |
| 129 | 129 |
| 130 virtual void onGetGLProcessorKey(const GrGLSLCaps& caps, | 130 virtual void onGetGLProcessorKey(const GrGLSLCaps& caps, |
| 131 GrProcessorKeyBuilder* b) const override { | 131 GrProcessorKeyBuilder* b) const override { |
| 132 GLProcessor::GenKey(*this, caps, b); | 132 GLProcessor::GenKey(*this, caps, b); |
| 133 } | 133 } |
| 134 | 134 |
| 135 bool onIsEqual(const GrFragmentProcessor& sBase) const override { | 135 bool onIsEqual(const GrFragmentProcessor& sBase) const override { |
| 136 const YUVtoRGBEffect& s = sBase.cast<YUVtoRGBEffect>(); | 136 const YUVtoRGBEffect& s = sBase.cast<YUVtoRGBEffect>(); |
| 137 return fColorSpace == s.getColorSpace(); | 137 return fColorSpace == s.getColorSpace(); |
| 138 } | 138 } |
| (...skipping 33 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 172 } | 172 } |
| 173 | 173 |
| 174 ////////////////////////////////////////////////////////////////////////////// | 174 ////////////////////////////////////////////////////////////////////////////// |
| 175 | 175 |
| 176 GrFragmentProcessor* | 176 GrFragmentProcessor* |
| 177 GrYUVtoRGBEffect::Create(GrTexture* yTexture, GrTexture* uTexture, GrTexture* vT
exture, | 177 GrYUVtoRGBEffect::Create(GrTexture* yTexture, GrTexture* uTexture, GrTexture* vT
exture, |
| 178 const SkISize sizes[3], SkYUVColorSpace colorSpace) { | 178 const SkISize sizes[3], SkYUVColorSpace colorSpace) { |
| 179 SkASSERT(yTexture && uTexture && vTexture && sizes); | 179 SkASSERT(yTexture && uTexture && vTexture && sizes); |
| 180 return YUVtoRGBEffect::Create(yTexture, uTexture, vTexture, sizes, colorSpac
e); | 180 return YUVtoRGBEffect::Create(yTexture, uTexture, vTexture, sizes, colorSpac
e); |
| 181 } | 181 } |
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