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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 "gl/builders/GrGLProgramBuilder.h" | 8 #include "gl/builders/GrGLProgramBuilder.h" |
9 #include "GrYUVtoRGBEffect.h" | 9 #include "GrYUVtoRGBEffect.h" |
10 | 10 |
11 #include "GrCoordTransform.h" | 11 #include "GrCoordTransform.h" |
| 12 #include "GrInvariantOutput.h" |
12 #include "GrProcessor.h" | 13 #include "GrProcessor.h" |
13 #include "gl/GrGLProcessor.h" | 14 #include "gl/GrGLProcessor.h" |
14 #include "GrTBackendProcessorFactory.h" | 15 #include "GrTBackendProcessorFactory.h" |
15 | 16 |
16 namespace { | 17 namespace { |
17 | 18 |
18 class YUVtoRGBEffect : public GrFragmentProcessor { | 19 class YUVtoRGBEffect : public GrFragmentProcessor { |
19 public: | 20 public: |
20 static GrFragmentProcessor* Create(GrTexture* yTexture, GrTexture* uTexture, | 21 static GrFragmentProcessor* Create(GrTexture* yTexture, GrTexture* uTexture, |
21 GrTexture* vTexture, SkYUVColorSpace colo
rSpace) { | 22 GrTexture* vTexture, SkYUVColorSpace colo
rSpace) { |
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99 this->addTextureAccess(&fYAccess); | 100 this->addTextureAccess(&fYAccess); |
100 this->addTextureAccess(&fUAccess); | 101 this->addTextureAccess(&fUAccess); |
101 this->addTextureAccess(&fVAccess); | 102 this->addTextureAccess(&fVAccess); |
102 } | 103 } |
103 | 104 |
104 virtual bool onIsEqual(const GrFragmentProcessor& sBase) const { | 105 virtual bool onIsEqual(const GrFragmentProcessor& sBase) const { |
105 const YUVtoRGBEffect& s = sBase.cast<YUVtoRGBEffect>(); | 106 const YUVtoRGBEffect& s = sBase.cast<YUVtoRGBEffect>(); |
106 return fColorSpace == s.getColorSpace(); | 107 return fColorSpace == s.getColorSpace(); |
107 } | 108 } |
108 | 109 |
109 virtual void onComputeInvariantOutput(InvariantOutput* inout) const SK_OVERR
IDE { | 110 virtual void onComputeInvariantOutput(GrInvariantOutput* inout) const SK_OVE
RRIDE { |
110 // YUV is opaque | 111 // YUV is opaque |
111 inout->setToOther(kA_GrColorComponentFlag, 0xFF << GrColor_SHIFT_A, | 112 inout->setToOther(kA_GrColorComponentFlag, 0xFF << GrColor_SHIFT_A, |
112 InvariantOutput::kWillNot_ReadInput); | 113 GrInvariantOutput::kWillNot_ReadInput); |
113 } | 114 } |
114 | 115 |
115 GrCoordTransform fCoordTransform; | 116 GrCoordTransform fCoordTransform; |
116 GrTextureAccess fYAccess; | 117 GrTextureAccess fYAccess; |
117 GrTextureAccess fUAccess; | 118 GrTextureAccess fUAccess; |
118 GrTextureAccess fVAccess; | 119 GrTextureAccess fVAccess; |
119 SkYUVColorSpace fColorSpace; | 120 SkYUVColorSpace fColorSpace; |
120 | 121 |
121 typedef GrFragmentProcessor INHERITED; | 122 typedef GrFragmentProcessor INHERITED; |
122 }; | 123 }; |
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133 0.0f, 0.0f, 0.0f, 1.0}; | 134 0.0f, 0.0f, 0.0f, 1.0}; |
134 } | 135 } |
135 | 136 |
136 ////////////////////////////////////////////////////////////////////////////// | 137 ////////////////////////////////////////////////////////////////////////////// |
137 | 138 |
138 GrFragmentProcessor* | 139 GrFragmentProcessor* |
139 GrYUVtoRGBEffect::Create(GrTexture* yTexture, GrTexture* uTexture, GrTexture* vT
exture, | 140 GrYUVtoRGBEffect::Create(GrTexture* yTexture, GrTexture* uTexture, GrTexture* vT
exture, |
140 SkYUVColorSpace colorSpace) { | 141 SkYUVColorSpace colorSpace) { |
141 return YUVtoRGBEffect::Create(yTexture, uTexture, vTexture, colorSpace); | 142 return YUVtoRGBEffect::Create(yTexture, uTexture, vTexture, colorSpace); |
142 } | 143 } |
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