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1 /* | 1 /* |
2 * Copyright 2015 Google Inc. | 2 * Copyright 2015 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 GrGLSLProgramBuilder_DEFINED | 8 #ifndef GrGLSLProgramBuilder_DEFINED |
9 #define GrGLSLProgramBuilder_DEFINED | 9 #define GrGLSLProgramBuilder_DEFINED |
10 | 10 |
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62 | 62 |
63 // Generates a name for a variable. The generated string will be name prefix
ed by the prefix | 63 // Generates a name for a variable. The generated string will be name prefix
ed by the prefix |
64 // char (unless the prefix is '\0'). It also will mangle the name to be stag
e-specific unless | 64 // char (unless the prefix is '\0'). It also will mangle the name to be stag
e-specific unless |
65 // explicitly asked not to. | 65 // explicitly asked not to. |
66 void nameVariable(SkString* out, char prefix, const char* name, bool mangle
= true); | 66 void nameVariable(SkString* out, char prefix, const char* name, bool mangle
= true); |
67 | 67 |
68 virtual GrGLSLUniformHandler* uniformHandler() = 0; | 68 virtual GrGLSLUniformHandler* uniformHandler() = 0; |
69 virtual const GrGLSLUniformHandler* uniformHandler() const = 0; | 69 virtual const GrGLSLUniformHandler* uniformHandler() const = 0; |
70 virtual GrGLSLVaryingHandler* varyingHandler() = 0; | 70 virtual GrGLSLVaryingHandler* varyingHandler() = 0; |
71 | 71 |
| 72 // Used for backend customization of the output color and secondary color va
riables from the |
| 73 // fragment processor. Only used if the outputs are explicitly declared in t
he shaders |
| 74 virtual void finalizeFragmentOutputColor(GrGLSLShaderVar& outputColor) {} |
| 75 virtual void finalizeFragmentSecondaryColor(GrGLSLShaderVar& outputColor) {} |
| 76 |
72 // number of each input/output type in a single allocation block, used by ma
ny builders | 77 // number of each input/output type in a single allocation block, used by ma
ny builders |
73 static const int kVarsPerBlock; | 78 static const int kVarsPerBlock; |
74 | 79 |
75 GrGLSLVertexBuilder fVS; | 80 GrGLSLVertexBuilder fVS; |
76 GrGLSLGeometryBuilder fGS; | 81 GrGLSLGeometryBuilder fGS; |
77 GrGLSLFragmentShaderBuilder fFS; | 82 GrGLSLFragmentShaderBuilder fFS; |
78 | 83 |
79 int fStageIndex; | 84 int fStageIndex; |
80 | 85 |
81 const DrawArgs& fArgs; | 86 const DrawArgs& fArgs; |
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140 void verify(const GrFragmentProcessor&); | 145 void verify(const GrFragmentProcessor&); |
141 | 146 |
142 virtual void emitSamplers(const GrProcessor& processor, | 147 virtual void emitSamplers(const GrProcessor& processor, |
143 GrGLSLTextureSampler::TextureSamplerArray* outSamp
lers) = 0; | 148 GrGLSLTextureSampler::TextureSamplerArray* outSamp
lers) = 0; |
144 | 149 |
145 GrGLSLPrimitiveProcessor::TransformsIn fCoordTransforms; | 150 GrGLSLPrimitiveProcessor::TransformsIn fCoordTransforms; |
146 GrGLSLPrimitiveProcessor::TransformsOut fOutCoords; | 151 GrGLSLPrimitiveProcessor::TransformsOut fOutCoords; |
147 }; | 152 }; |
148 | 153 |
149 #endif | 154 #endif |
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