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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" |
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37 ((sizes[1].fWidth != sizes[0].fWidth) || | 37 ((sizes[1].fWidth != sizes[0].fWidth) || |
38 (sizes[1].fHeight != sizes[0].fHeight) || | 38 (sizes[1].fHeight != sizes[0].fHeight) || |
39 (sizes[2].fWidth != sizes[0].fWidth) || | 39 (sizes[2].fWidth != sizes[0].fWidth) || |
40 (sizes[2].fHeight != sizes[0].fHeight)) ? | 40 (sizes[2].fHeight != sizes[0].fHeight)) ? |
41 GrTextureParams::kBilerp_FilterMode : | 41 GrTextureParams::kBilerp_FilterMode : |
42 GrTextureParams::kNone_FilterMode; | 42 GrTextureParams::kNone_FilterMode; |
43 return SkNEW_ARGS(YUVtoRGBEffect, (yTexture, uTexture, vTexture, yuvMatr
ix, | 43 return SkNEW_ARGS(YUVtoRGBEffect, (yTexture, uTexture, vTexture, yuvMatr
ix, |
44 uvFilterMode, colorSpace)); | 44 uvFilterMode, colorSpace)); |
45 } | 45 } |
46 | 46 |
47 const char* name() const SK_OVERRIDE { return "YUV to RGB"; } | 47 const char* name() const override { return "YUV to RGB"; } |
48 | 48 |
49 SkYUVColorSpace getColorSpace() const { | 49 SkYUVColorSpace getColorSpace() const { |
50 return fColorSpace; | 50 return fColorSpace; |
51 } | 51 } |
52 | 52 |
53 class GLProcessor : public GrGLFragmentProcessor { | 53 class GLProcessor : public GrGLFragmentProcessor { |
54 public: | 54 public: |
55 static const GrGLfloat kJPEGConversionMatrix[16]; | 55 static const GrGLfloat kJPEGConversionMatrix[16]; |
56 static const GrGLfloat kRec601ConversionMatrix[16]; | 56 static const GrGLfloat kRec601ConversionMatrix[16]; |
57 | 57 |
58 // this class always generates the same code. | 58 // this class always generates the same code. |
59 static void GenKey(const GrProcessor&, const GrGLCaps&, GrProcessorKeyBu
ilder*) {} | 59 static void GenKey(const GrProcessor&, const GrGLCaps&, GrProcessorKeyBu
ilder*) {} |
60 | 60 |
61 GLProcessor(const GrProcessor&) {} | 61 GLProcessor(const GrProcessor&) {} |
62 | 62 |
63 virtual void emitCode(GrGLFPBuilder* builder, | 63 virtual void emitCode(GrGLFPBuilder* builder, |
64 const GrFragmentProcessor&, | 64 const GrFragmentProcessor&, |
65 const char* outputColor, | 65 const char* outputColor, |
66 const char* inputColor, | 66 const char* inputColor, |
67 const TransformedCoordsArray& coords, | 67 const TransformedCoordsArray& coords, |
68 const TextureSamplerArray& samplers) SK_OVERRIDE { | 68 const TextureSamplerArray& samplers) override { |
69 GrGLFPFragmentBuilder* fsBuilder = builder->getFragmentShaderBuilder
(); | 69 GrGLFPFragmentBuilder* fsBuilder = builder->getFragmentShaderBuilder
(); |
70 | 70 |
71 const char* yuvMatrix = NULL; | 71 const char* yuvMatrix = NULL; |
72 fMatrixUni = builder->addUniform(GrGLProgramBuilder::kFragment_Visib
ility, | 72 fMatrixUni = builder->addUniform(GrGLProgramBuilder::kFragment_Visib
ility, |
73 kMat44f_GrSLType, kDefault_GrSLPrec
ision, | 73 kMat44f_GrSLType, kDefault_GrSLPrec
ision, |
74 "YUVMatrix", &yuvMatrix); | 74 "YUVMatrix", &yuvMatrix); |
75 fsBuilder->codeAppendf("\t%s = vec4(\n\t\t", outputColor); | 75 fsBuilder->codeAppendf("\t%s = vec4(\n\t\t", outputColor); |
76 fsBuilder->appendTextureLookup(samplers[0], coords[0].c_str(), coord
s[0].getType()); | 76 fsBuilder->appendTextureLookup(samplers[0], coords[0].c_str(), coord
s[0].getType()); |
77 fsBuilder->codeAppend(".r,\n\t\t"); | 77 fsBuilder->codeAppend(".r,\n\t\t"); |
78 fsBuilder->appendTextureLookup(samplers[1], coords[1].c_str(), coord
s[1].getType()); | 78 fsBuilder->appendTextureLookup(samplers[1], coords[1].c_str(), coord
s[1].getType()); |
79 fsBuilder->codeAppend(".r,\n\t\t"); | 79 fsBuilder->codeAppend(".r,\n\t\t"); |
80 fsBuilder->appendTextureLookup(samplers[2], coords[2].c_str(), coord
s[2].getType()); | 80 fsBuilder->appendTextureLookup(samplers[2], coords[2].c_str(), coord
s[2].getType()); |
81 fsBuilder->codeAppendf(".r,\n\t\t1.0) * %s;\n", yuvMatrix); | 81 fsBuilder->codeAppendf(".r,\n\t\t1.0) * %s;\n", yuvMatrix); |
82 } | 82 } |
83 | 83 |
84 virtual void setData(const GrGLProgramDataManager& pdman, | 84 virtual void setData(const GrGLProgramDataManager& pdman, |
85 const GrProcessor& processor) SK_OVERRIDE { | 85 const GrProcessor& processor) override { |
86 const YUVtoRGBEffect& yuvEffect = processor.cast<YUVtoRGBEffect>(); | 86 const YUVtoRGBEffect& yuvEffect = processor.cast<YUVtoRGBEffect>(); |
87 switch (yuvEffect.getColorSpace()) { | 87 switch (yuvEffect.getColorSpace()) { |
88 case kJPEG_SkYUVColorSpace: | 88 case kJPEG_SkYUVColorSpace: |
89 pdman.setMatrix4f(fMatrixUni, kJPEGConversionMatrix); | 89 pdman.setMatrix4f(fMatrixUni, kJPEGConversionMatrix); |
90 break; | 90 break; |
91 case kRec601_SkYUVColorSpace: | 91 case kRec601_SkYUVColorSpace: |
92 pdman.setMatrix4f(fMatrixUni, kRec601ConversionMatrix); | 92 pdman.setMatrix4f(fMatrixUni, kRec601ConversionMatrix); |
93 break; | 93 break; |
94 } | 94 } |
95 } | 95 } |
96 | 96 |
97 private: | 97 private: |
98 GrGLProgramDataManager::UniformHandle fMatrixUni; | 98 GrGLProgramDataManager::UniformHandle fMatrixUni; |
99 | 99 |
100 typedef GrGLFragmentProcessor INHERITED; | 100 typedef GrGLFragmentProcessor INHERITED; |
101 }; | 101 }; |
102 | 102 |
103 virtual void getGLProcessorKey(const GrGLCaps& caps, | 103 virtual void getGLProcessorKey(const GrGLCaps& caps, |
104 GrProcessorKeyBuilder* b) const SK_OVERRIDE { | 104 GrProcessorKeyBuilder* b) const override { |
105 GLProcessor::GenKey(*this, caps, b); | 105 GLProcessor::GenKey(*this, caps, b); |
106 } | 106 } |
107 | 107 |
108 GrGLFragmentProcessor* createGLInstance() const SK_OVERRIDE { | 108 GrGLFragmentProcessor* createGLInstance() const override { |
109 return SkNEW_ARGS(GLProcessor, (*this)); | 109 return SkNEW_ARGS(GLProcessor, (*this)); |
110 } | 110 } |
111 | 111 |
112 private: | 112 private: |
113 YUVtoRGBEffect(GrTexture* yTexture, GrTexture* uTexture, GrTexture* vTexture
, | 113 YUVtoRGBEffect(GrTexture* yTexture, GrTexture* uTexture, GrTexture* vTexture
, |
114 SkMatrix yuvMatrix[3], GrTextureParams::FilterMode uvFilterMo
de, | 114 SkMatrix yuvMatrix[3], GrTextureParams::FilterMode uvFilterMo
de, |
115 SkYUVColorSpace colorSpace) | 115 SkYUVColorSpace colorSpace) |
116 : fYTransform(kLocal_GrCoordSet, yuvMatrix[0], yTexture, GrTextureParams::kN
one_FilterMode) | 116 : fYTransform(kLocal_GrCoordSet, yuvMatrix[0], yTexture, GrTextureParams::kN
one_FilterMode) |
117 , fYAccess(yTexture) | 117 , fYAccess(yTexture) |
118 , fUTransform(kLocal_GrCoordSet, yuvMatrix[1], uTexture, uvFilterMode) | 118 , fUTransform(kLocal_GrCoordSet, yuvMatrix[1], uTexture, uvFilterMode) |
119 , fUAccess(uTexture, uvFilterMode) | 119 , fUAccess(uTexture, uvFilterMode) |
120 , fVTransform(kLocal_GrCoordSet, yuvMatrix[2], vTexture, uvFilterMode) | 120 , fVTransform(kLocal_GrCoordSet, yuvMatrix[2], vTexture, uvFilterMode) |
121 , fVAccess(vTexture, uvFilterMode) | 121 , fVAccess(vTexture, uvFilterMode) |
122 , fColorSpace(colorSpace) { | 122 , fColorSpace(colorSpace) { |
123 this->initClassID<YUVtoRGBEffect>(); | 123 this->initClassID<YUVtoRGBEffect>(); |
124 this->addCoordTransform(&fYTransform); | 124 this->addCoordTransform(&fYTransform); |
125 this->addTextureAccess(&fYAccess); | 125 this->addTextureAccess(&fYAccess); |
126 this->addCoordTransform(&fUTransform); | 126 this->addCoordTransform(&fUTransform); |
127 this->addTextureAccess(&fUAccess); | 127 this->addTextureAccess(&fUAccess); |
128 this->addCoordTransform(&fVTransform); | 128 this->addCoordTransform(&fVTransform); |
129 this->addTextureAccess(&fVAccess); | 129 this->addTextureAccess(&fVAccess); |
130 } | 130 } |
131 | 131 |
132 bool onIsEqual(const GrFragmentProcessor& sBase) const SK_OVERRIDE { | 132 bool onIsEqual(const GrFragmentProcessor& sBase) const override { |
133 const YUVtoRGBEffect& s = sBase.cast<YUVtoRGBEffect>(); | 133 const YUVtoRGBEffect& s = sBase.cast<YUVtoRGBEffect>(); |
134 return fColorSpace == s.getColorSpace(); | 134 return fColorSpace == s.getColorSpace(); |
135 } | 135 } |
136 | 136 |
137 void onComputeInvariantOutput(GrInvariantOutput* inout) const SK_OVERRIDE { | 137 void onComputeInvariantOutput(GrInvariantOutput* inout) const override { |
138 // YUV is opaque | 138 // YUV is opaque |
139 inout->setToOther(kA_GrColorComponentFlag, 0xFF << GrColor_SHIFT_A, | 139 inout->setToOther(kA_GrColorComponentFlag, 0xFF << GrColor_SHIFT_A, |
140 GrInvariantOutput::kWillNot_ReadInput); | 140 GrInvariantOutput::kWillNot_ReadInput); |
141 } | 141 } |
142 | 142 |
143 GrCoordTransform fYTransform; | 143 GrCoordTransform fYTransform; |
144 GrTextureAccess fYAccess; | 144 GrTextureAccess fYAccess; |
145 GrCoordTransform fUTransform; | 145 GrCoordTransform fUTransform; |
146 GrTextureAccess fUAccess; | 146 GrTextureAccess fUAccess; |
147 GrCoordTransform fVTransform; | 147 GrCoordTransform fVTransform; |
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164 } | 164 } |
165 | 165 |
166 ////////////////////////////////////////////////////////////////////////////// | 166 ////////////////////////////////////////////////////////////////////////////// |
167 | 167 |
168 GrFragmentProcessor* | 168 GrFragmentProcessor* |
169 GrYUVtoRGBEffect::Create(GrTexture* yTexture, GrTexture* uTexture, GrTexture* vT
exture, | 169 GrYUVtoRGBEffect::Create(GrTexture* yTexture, GrTexture* uTexture, GrTexture* vT
exture, |
170 SkISize sizes[3], SkYUVColorSpace colorSpace) { | 170 SkISize sizes[3], SkYUVColorSpace colorSpace) { |
171 SkASSERT(yTexture && uTexture && vTexture && sizes); | 171 SkASSERT(yTexture && uTexture && vTexture && sizes); |
172 return YUVtoRGBEffect::Create(yTexture, uTexture, vTexture, sizes, colorSpac
e); | 172 return YUVtoRGBEffect::Create(yTexture, uTexture, vTexture, sizes, colorSpac
e); |
173 } | 173 } |
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