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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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34 virtual const GrCaps* caps() const = 0; | 34 virtual const GrCaps* caps() const = 0; |
35 virtual const GrGLSLCaps* glslCaps() const = 0; | 35 virtual const GrGLSLCaps* glslCaps() const = 0; |
36 | 36 |
37 const GrPrimitiveProcessor& primitiveProcessor() const { return fPrimProc; } | 37 const GrPrimitiveProcessor& primitiveProcessor() const { return fPrimProc; } |
38 const GrPipeline& pipeline() const { return fPipeline; } | 38 const GrPipeline& pipeline() const { return fPipeline; } |
39 const GrProgramDesc& desc() const { return fDesc; } | 39 const GrProgramDesc& desc() const { return fDesc; } |
40 const GrProgramDesc::KeyHeader& header() const { return fDesc.header(); } | 40 const GrProgramDesc::KeyHeader& header() const { return fDesc.header(); } |
41 | 41 |
42 void appendUniformDecls(GrShaderFlags visibility, SkString*) const; | 42 void appendUniformDecls(GrShaderFlags visibility, SkString*) const; |
43 | 43 |
44 typedef GrGLSLUniformHandler::SamplerHandle SamplerHandle; | |
45 | |
46 const GrGLSLSampler& getSampler(SamplerHandle handle) const; | |
47 | |
48 // Handles for program uniforms (other than per-effect uniforms) | 44 // Handles for program uniforms (other than per-effect uniforms) |
49 struct BuiltinUniformHandles { | 45 struct BuiltinUniformHandles { |
50 UniformHandle fRTAdjustmentUni; | 46 UniformHandle fRTAdjustmentUni; |
51 | 47 |
52 // We use the render target height to provide a y-down frag coord when s
pecifying | 48 // We use the render target height to provide a y-down frag coord when s
pecifying |
53 // origin_upper_left is not supported. | 49 // origin_upper_left is not supported. |
54 UniformHandle fRTHeightUni; | 50 UniformHandle fRTHeightUni; |
55 }; | 51 }; |
56 | 52 |
57 // Used to add a uniform in the vertex shader for transforming into normaliz
ed device space. | 53 // Used to add a uniform in the vertex shader for transforming into normaliz
ed device space. |
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101 const GrProgramDesc&); | 97 const GrProgramDesc&); |
102 | 98 |
103 void addFeature(GrShaderFlags shaders, uint32_t featureBit, const char* exte
nsionName); | 99 void addFeature(GrShaderFlags shaders, uint32_t featureBit, const char* exte
nsionName); |
104 | 100 |
105 bool emitAndInstallProcs(GrGLSLExpr4* inputColor, GrGLSLExpr4* inputCoverage
); | 101 bool emitAndInstallProcs(GrGLSLExpr4* inputColor, GrGLSLExpr4* inputCoverage
); |
106 | 102 |
107 void cleanupFragmentProcessors(); | 103 void cleanupFragmentProcessors(); |
108 | 104 |
109 void finalizeShaders(); | 105 void finalizeShaders(); |
110 | 106 |
| 107 SkTArray<UniformHandle> fSamplerUniforms; |
| 108 |
111 private: | 109 private: |
112 // reset is called by program creator between each processor's emit code. I
t increments the | 110 // reset is called by program creator between each processor's emit code. I
t increments the |
113 // stage offset for variable name mangling, and also ensures verfication var
iables in the | 111 // stage offset for variable name mangling, and also ensures verfication var
iables in the |
114 // fragment shader are cleared. | 112 // fragment shader are cleared. |
115 void reset() { | 113 void reset() { |
116 this->addStage(); | 114 this->addStage(); |
117 SkDEBUGCODE(fFS.resetVerification();) | 115 SkDEBUGCODE(fFS.resetVerification();) |
118 } | 116 } |
119 void addStage() { fStageIndex++; } | 117 void addStage() { fStageIndex++; } |
120 | 118 |
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141 void emitAndInstallFragProcs(int procOffset, int numProcs, GrGLSLExpr4* inOu
t); | 139 void emitAndInstallFragProcs(int procOffset, int numProcs, GrGLSLExpr4* inOu
t); |
142 void emitAndInstallFragProc(const GrFragmentProcessor&, | 140 void emitAndInstallFragProc(const GrFragmentProcessor&, |
143 int index, | 141 int index, |
144 const GrGLSLExpr4& input, | 142 const GrGLSLExpr4& input, |
145 GrGLSLExpr4* output); | 143 GrGLSLExpr4* output); |
146 void emitAndInstallXferProc(const GrXferProcessor&, | 144 void emitAndInstallXferProc(const GrXferProcessor&, |
147 const GrGLSLExpr4& colorIn, | 145 const GrGLSLExpr4& colorIn, |
148 const GrGLSLExpr4& coverageIn, | 146 const GrGLSLExpr4& coverageIn, |
149 bool ignoresCoverage, | 147 bool ignoresCoverage, |
150 GrPixelLocalStorageState plsState); | 148 GrPixelLocalStorageState plsState); |
151 | |
152 void emitSamplers(const GrProcessor& processor, | 149 void emitSamplers(const GrProcessor& processor, |
153 SkTArray<SamplerHandle>* outTexSamplers, | 150 GrGLSLSampler::SamplerArray* outTexSamplers, |
154 SkTArray<SamplerHandle>* outBufferSamplers); | 151 GrGLSLSampler::SamplerArray* outBufferSamplers); |
155 void emitSampler(GrSLType samplerType, | 152 void emitSampler(GrSLType samplerType, |
156 GrPixelConfig, | 153 GrPixelConfig, |
157 const char* name, | 154 const char* name, |
158 GrShaderFlags visibility, | 155 GrShaderFlags visibility, |
159 SkTArray<SamplerHandle>* outSamplers); | 156 GrGLSLSampler::SamplerArray* outSamplers); |
160 void emitFSOutputSwizzle(bool hasSecondaryOutput); | 157 void emitFSOutputSwizzle(bool hasSecondaryOutput); |
161 bool checkSamplerCounts(); | 158 bool checkSamplerCounts(); |
162 | 159 |
163 #ifdef SK_DEBUG | 160 #ifdef SK_DEBUG |
164 void verify(const GrPrimitiveProcessor&); | 161 void verify(const GrPrimitiveProcessor&); |
165 void verify(const GrXferProcessor&); | 162 void verify(const GrXferProcessor&); |
166 void verify(const GrFragmentProcessor&); | 163 void verify(const GrFragmentProcessor&); |
167 #endif | 164 #endif |
168 | 165 |
169 GrGLSLPrimitiveProcessor::TransformsIn fCoordTransforms; | 166 GrGLSLPrimitiveProcessor::TransformsIn fCoordTransforms; |
170 GrGLSLPrimitiveProcessor::TransformsOut fOutCoords; | 167 GrGLSLPrimitiveProcessor::TransformsOut fOutCoords; |
171 int fNumVertexSamplers; | 168 int fNumVertexSamplers; |
172 int fNumGeometrySamplers; | 169 int fNumGeometrySamplers; |
173 int fNumFragmentSamplers; | 170 int fNumFragmentSamplers; |
174 }; | 171 }; |
175 | 172 |
176 #endif | 173 #endif |
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