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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 GrGLSLFragmentShaderBuilder_DEFINED | 8 #ifndef GrGLSLFragmentShaderBuilder_DEFINED |
9 #define GrGLSLFragmentShaderBuilder_DEFINED | 9 #define GrGLSLFragmentShaderBuilder_DEFINED |
10 | 10 |
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139 | 139 |
140 void enableAdvancedBlendEquationIfNeeded(GrBlendEquation) override; | 140 void enableAdvancedBlendEquationIfNeeded(GrBlendEquation) override; |
141 | 141 |
142 private: | 142 private: |
143 // Private public interface, used by GrGLProgramBuilder to build a fragment
shader | 143 // Private public interface, used by GrGLProgramBuilder to build a fragment
shader |
144 void enableCustomOutput(); | 144 void enableCustomOutput(); |
145 void enableSecondaryOutput(); | 145 void enableSecondaryOutput(); |
146 const char* getPrimaryColorOutputName() const; | 146 const char* getPrimaryColorOutputName() const; |
147 const char* getSecondaryColorOutputName() const; | 147 const char* getSecondaryColorOutputName() const; |
148 | 148 |
149 // As GLProcessors emit code, there are some conditions we need to verify.
We use the below | 149 // As GLSLProcessors emit code, there are some conditions we need to verify.
We use the below |
150 // state to track this. The reset call is called per processor emitted. | 150 // state to track this. The reset call is called per processor emitted. |
151 bool hasReadDstColor() const { return fHasReadDstColor; } | 151 bool hasReadDstColor() const { return fHasReadDstColor; } |
152 bool hasReadFragmentPosition() const { return fHasReadFragmentPosition; } | 152 bool hasReadFragmentPosition() const { return fHasReadFragmentPosition; } |
153 void reset() { | 153 void reset() { |
154 fHasReadDstColor = false; | 154 fHasReadDstColor = false; |
155 fHasReadFragmentPosition = false; | 155 fHasReadFragmentPosition = false; |
156 } | 156 } |
157 | 157 |
158 static const char* DeclaredColorOutputName() { return "fsColorOut"; } | 158 static const char* DeclaredColorOutputName() { return "fsColorOut"; } |
159 static const char* DeclaredSecondaryColorOutputName() { return "fsSecondaryC
olorOut"; } | 159 static const char* DeclaredSecondaryColorOutputName() { return "fsSecondaryC
olorOut"; } |
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192 // the program creator | 192 // the program creator |
193 bool fHasReadDstColor; | 193 bool fHasReadDstColor; |
194 bool fHasReadFragmentPosition; | 194 bool fHasReadFragmentPosition; |
195 | 195 |
196 friend class GrGLProgramBuilder; | 196 friend class GrGLProgramBuilder; |
197 | 197 |
198 typedef GrGLSLXPFragmentBuilder INHERITED; | 198 typedef GrGLSLXPFragmentBuilder INHERITED; |
199 }; | 199 }; |
200 | 200 |
201 #endif | 201 #endif |
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