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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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94 int index) SK_OVERRIDE; | 94 int index) SK_OVERRIDE; |
95 const char* fragmentPosition() SK_OVERRIDE; | 95 const char* fragmentPosition() SK_OVERRIDE; |
96 const char* dstColor() SK_OVERRIDE; | 96 const char* dstColor() SK_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) const; |
105 void bindFragmentShaderLocations(GrGLuint programID); | 105 void bindFragmentShaderLocations(GrGLuint programID); |
106 | 106 |
107 // As GLProcessors emit code, there are some conditions we need to verify.
We use the below | 107 // As GLProcessors emit code, there are some conditions we need to verify.
We use the below |
108 // state to track this. The reset call is called per processor emitted. | 108 // state to track this. The reset call is called per processor emitted. |
109 bool hasReadDstColor() const { return fHasReadDstColor; } | 109 bool hasReadDstColor() const { return fHasReadDstColor; } |
110 bool hasReadFragmentPosition() const { return fHasReadFragmentPosition; } | 110 bool hasReadFragmentPosition() const { return fHasReadFragmentPosition; } |
111 void reset() { | 111 void reset() { |
112 fHasReadDstColor = false; | 112 fHasReadDstColor = false; |
113 fHasReadFragmentPosition = false; | 113 fHasReadFragmentPosition = false; |
114 } | 114 } |
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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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