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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 GrGLFragmentShaderBuilder_DEFINED | 8 #ifndef GrGLFragmentShaderBuilder_DEFINED |
| 9 #define GrGLFragmentShaderBuilder_DEFINED | 9 #define GrGLFragmentShaderBuilder_DEFINED |
| 10 | 10 |
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| 82 static DstReadKey KeyForDstRead(const GrTexture* dstCopy, const GrGLCaps&); | 82 static DstReadKey KeyForDstRead(const GrTexture* dstCopy, const GrGLCaps&); |
| 83 | 83 |
| 84 /** Returns a key for reading the fragment location. This should only be cal
led if there is an | 84 /** Returns a key for reading the fragment location. This should only be cal
led if there is an |
| 85 effect that will requires the fragment position. If the fragment position
is not required, | 85 effect that will requires the fragment position. If the fragment position
is not required, |
| 86 the key is 0. */ | 86 the key is 0. */ |
| 87 static FragPosKey KeyForFragmentPosition(const GrRenderTarget* dst, const Gr
GLCaps&); | 87 static FragPosKey KeyForFragmentPosition(const GrRenderTarget* dst, const Gr
GLCaps&); |
| 88 | 88 |
| 89 GrGLFragmentShaderBuilder(GrGLProgramBuilder* program, uint8_t fragPosKey); | 89 GrGLFragmentShaderBuilder(GrGLProgramBuilder* program, uint8_t fragPosKey); |
| 90 | 90 |
| 91 // true public interface, defined explicitly in the abstract interfaces abov
e | 91 // true public interface, defined explicitly in the abstract interfaces abov
e |
| 92 bool enableFeature(GLSLFeature) SK_OVERRIDE; | 92 bool enableFeature(GLSLFeature) override; |
| 93 virtual SkString ensureFSCoords2D(const GrGLProcessor::TransformedCoordsArra
y& coords, | 93 virtual SkString ensureFSCoords2D(const GrGLProcessor::TransformedCoordsArra
y& coords, |
| 94 int index) SK_OVERRIDE; | 94 int index) override; |
| 95 const char* fragmentPosition() SK_OVERRIDE; | 95 const char* fragmentPosition() override; |
| 96 const char* dstColor() SK_OVERRIDE; | 96 const char* dstColor() override; |
| 97 | 97 |
| 98 private: | 98 private: |
| 99 // Private public interface, used by GrGLProgramBuilder to build a fragment
shader | 99 // Private public interface, used by GrGLProgramBuilder to build a fragment
shader |
| 100 void enableCustomOutput(); | 100 void enableCustomOutput(); |
| 101 void enableSecondaryOutput(); | 101 void enableSecondaryOutput(); |
| 102 const char* getPrimaryColorOutputName() const; | 102 const char* getPrimaryColorOutputName() const; |
| 103 const char* getSecondaryColorOutputName() const; | 103 const char* getSecondaryColorOutputName() const; |
| 104 bool compileAndAttachShaders(GrGLuint programId, SkTDArray<GrGLuint>* shader
Ids); | 104 bool compileAndAttachShaders(GrGLuint programId, SkTDArray<GrGLuint>* shader
Ids); |
| 105 void bindFragmentShaderLocations(GrGLuint programID); | 105 void bindFragmentShaderLocations(GrGLuint programID); |
| 106 | 106 |
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| 153 // the program creator | 153 // the program creator |
| 154 bool fHasReadDstColor; | 154 bool fHasReadDstColor; |
| 155 bool fHasReadFragmentPosition; | 155 bool fHasReadFragmentPosition; |
| 156 | 156 |
| 157 friend class GrGLProgramBuilder; | 157 friend class GrGLProgramBuilder; |
| 158 | 158 |
| 159 typedef GrGLFPFragmentBuilder INHERITED; | 159 typedef GrGLFPFragmentBuilder INHERITED; |
| 160 }; | 160 }; |
| 161 | 161 |
| 162 #endif | 162 #endif |
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