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1 /* | 1 /* |
2 * Copyright 2011 Google Inc. | 2 * Copyright 2011 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 | 8 |
9 #ifndef GrGLProgram_DEFINED | 9 #ifndef GrGLProgram_DEFINED |
10 #define GrGLProgram_DEFINED | 10 #define GrGLProgram_DEFINED |
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89 }; | 89 }; |
90 | 90 |
91 /** | 91 /** |
92 * This function uploads uniforms, calls each GrGL*Processor's setData, and
retrieves the | 92 * This function uploads uniforms, calls each GrGL*Processor's setData, and
retrieves the |
93 * textures that need to be bound on each unit. It is the caller's responsib
ility to ensure | 93 * textures that need to be bound on each unit. It is the caller's responsib
ility to ensure |
94 * the program is bound before calling, and to bind the outgoing textures to
their respective | 94 * the program is bound before calling, and to bind the outgoing textures to
their respective |
95 * units upon return. (Each index in the array corresponds to its matching G
L texture unit.) | 95 * units upon return. (Each index in the array corresponds to its matching G
L texture unit.) |
96 */ | 96 */ |
97 void setData(const GrPrimitiveProcessor&, const GrPipeline&); | 97 void setData(const GrPrimitiveProcessor&, const GrPipeline&); |
98 | 98 |
| 99 /** |
| 100 * This function retrieves the textures that need to be used by each GrGL*Pr
ocessor, and |
| 101 * ensures that any textures requiring mipmaps have their mipmaps correctly
built. |
| 102 */ |
| 103 void generateMipmaps(const GrPrimitiveProcessor&, const GrPipeline&); |
| 104 |
99 protected: | 105 protected: |
100 typedef GrGLSLProgramDataManager::UniformHandle UniformHandle; | 106 typedef GrGLSLProgramDataManager::UniformHandle UniformHandle; |
101 typedef GrGLProgramDataManager::UniformInfoArray UniformInfoArray; | 107 typedef GrGLProgramDataManager::UniformInfoArray UniformInfoArray; |
102 typedef GrGLProgramDataManager::VaryingInfoArray VaryingInfoArray; | 108 typedef GrGLProgramDataManager::VaryingInfoArray VaryingInfoArray; |
103 | 109 |
104 GrGLProgram(GrGLGpu*, | 110 GrGLProgram(GrGLGpu*, |
105 const GrProgramDesc&, | 111 const GrProgramDesc&, |
106 const BuiltinUniformHandles&, | 112 const BuiltinUniformHandles&, |
107 GrGLuint programID, | 113 GrGLuint programID, |
108 const UniformInfoArray&, | 114 const UniformInfoArray&, |
109 const SkTArray<GrGLSampler>&, | 115 const SkTArray<GrGLSampler>&, |
110 const VaryingInfoArray&, // used for NVPR only currently | 116 const VaryingInfoArray&, // used for NVPR only currently |
111 GrGLSLPrimitiveProcessor* geometryProcessor, | 117 GrGLSLPrimitiveProcessor* geometryProcessor, |
112 GrGLSLXferProcessor* xferProcessor, | 118 GrGLSLXferProcessor* xferProcessor, |
113 const GrGLSLFragProcs& fragmentProcessors); | 119 const GrGLSLFragProcs& fragmentProcessors); |
114 | 120 |
115 // A helper to loop over effects, set the transforms (via subclass) and bind
textures | 121 // A helper to loop over effects, set the transforms (via subclass) and bind
textures |
116 void setFragmentData(const GrPrimitiveProcessor&, const GrPipeline&, int* ne
xtSamplerIdx); | 122 void setFragmentData(const GrPrimitiveProcessor&, const GrPipeline&, int* ne
xtSamplerIdx); |
117 void setTransformData(const GrPrimitiveProcessor&, const GrFragmentProcessor
&, int index); | 123 void setTransformData(const GrPrimitiveProcessor&, const GrFragmentProcessor
&, int index); |
118 | 124 |
119 // Helper for setData() that sets the view matrix and loads the render targe
t height uniform | 125 // Helper for setData() that sets the view matrix and loads the render targe
t height uniform |
120 void setRenderTargetState(const GrPrimitiveProcessor&, const GrPipeline&); | 126 void setRenderTargetState(const GrPrimitiveProcessor&, const GrPipeline&); |
121 | 127 |
122 // Helper for setData() that binds textures and texel buffers to the appropr
iate texture units | 128 // Helper for setData() that binds textures and texel buffers to the appropr
iate texture units |
123 void bindTextures(const GrProcessor&, bool allowSRGBInputs, int* nextSampler
Idx); | 129 void bindTextures(const GrProcessor&, bool allowSRGBInputs, int* nextSampler
Idx); |
124 | 130 |
| 131 // Helper for generateMipmaps() that ensures mipmaps are up to date |
| 132 void generateMipmaps(const GrProcessor&, bool allowSRGBInputs); |
| 133 |
125 // these reflect the current values of uniforms (GL uniform values travel wi
th program) | 134 // these reflect the current values of uniforms (GL uniform values travel wi
th program) |
126 RenderTargetState fRenderTargetState; | 135 RenderTargetState fRenderTargetState; |
127 BuiltinUniformHandles fBuiltinUniformHandles; | 136 BuiltinUniformHandles fBuiltinUniformHandles; |
128 GrGLuint fProgramID; | 137 GrGLuint fProgramID; |
129 | 138 |
130 // the installed effects | 139 // the installed effects |
131 SkAutoTDelete<GrGLSLPrimitiveProcessor> fGeometryProcessor; | 140 SkAutoTDelete<GrGLSLPrimitiveProcessor> fGeometryProcessor; |
132 SkAutoTDelete<GrGLSLXferProcessor> fXferProcessor; | 141 SkAutoTDelete<GrGLSLXferProcessor> fXferProcessor; |
133 GrGLSLFragProcs fFragmentProcessors; | 142 GrGLSLFragProcs fFragmentProcessors; |
134 | 143 |
135 GrProgramDesc fDesc; | 144 GrProgramDesc fDesc; |
136 GrGLGpu* fGpu; | 145 GrGLGpu* fGpu; |
137 GrGLProgramDataManager fProgramDataManager; | 146 GrGLProgramDataManager fProgramDataManager; |
138 | 147 |
139 friend class GrGLProgramBuilder; | 148 friend class GrGLProgramBuilder; |
140 | 149 |
141 typedef SkRefCnt INHERITED; | 150 typedef SkRefCnt INHERITED; |
142 }; | 151 }; |
143 | 152 |
144 #endif | 153 #endif |
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