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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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83 destVec[2] = -2.f / fRenderTargetSize.fHeight; | 83 destVec[2] = -2.f / fRenderTargetSize.fHeight; |
84 destVec[3] = 1.f; | 84 destVec[3] = 1.f; |
85 } else { | 85 } else { |
86 destVec[2] = 2.f / fRenderTargetSize.fHeight; | 86 destVec[2] = 2.f / fRenderTargetSize.fHeight; |
87 destVec[3] = -1.f; | 87 destVec[3] = -1.f; |
88 } | 88 } |
89 } | 89 } |
90 }; | 90 }; |
91 | 91 |
92 /** | 92 /** |
93 * This function uploads uniforms and calls each GrGLProcessor's setData. It
is called before a | 93 * This function uploads uniforms, calls each GrGLProcessor's setData, and r
etrieves the |
94 * draw occurs using the program after the program has already been bound. I
t also uses the | 94 * textures that need to be bound on each unit. It is the caller's responsib
ility to ensure |
95 * GrGLGpu object to bind the textures required by the GrGLProcessors. The c
olor and coverage | 95 * the program is bound before calling, and to bind the outgoing textures to
their respective |
96 * stages come from GrGLProgramDesc::Build(). | 96 * units upon return. (Each index in the array corresponds to its matching G
L texture unit.) |
97 */ | 97 */ |
98 void setData(const GrPrimitiveProcessor&, const GrPipeline&, const GrBatchTr
acker&); | 98 void setData(const GrPrimitiveProcessor&, const GrPipeline&, const GrBatchTr
acker&, |
| 99 SkTArray<const GrTextureAccess*>* textureBindings); |
99 | 100 |
100 protected: | 101 protected: |
101 typedef GrGLProgramDataManager::UniformHandle UniformHandle; | 102 typedef GrGLProgramDataManager::UniformHandle UniformHandle; |
102 typedef GrGLProgramDataManager::UniformInfoArray UniformInfoArray; | 103 typedef GrGLProgramDataManager::UniformInfoArray UniformInfoArray; |
103 | 104 |
104 GrGLProgram(GrGLGpu*, | 105 GrGLProgram(GrGLGpu*, |
105 const GrProgramDesc&, | 106 const GrProgramDesc&, |
106 const BuiltinUniformHandles&, | 107 const BuiltinUniformHandles&, |
107 GrGLuint programID, | 108 GrGLuint programID, |
108 const UniformInfoArray&, | 109 const UniformInfoArray&, |
109 GrGLInstalledGeoProc* geometryProcessor, | 110 GrGLInstalledGeoProc* geometryProcessor, |
110 GrGLInstalledXferProc* xferProcessor, | 111 GrGLInstalledXferProc* xferProcessor, |
111 GrGLInstalledFragProcs* fragmentProcessors); | 112 GrGLInstalledFragProcs* fragmentProcessors, |
112 | 113 SkTArray<UniformHandle>* passSamplerUniforms); |
113 // Sets the texture units for samplers. | |
114 void initSamplerUniforms(); | |
115 template <class Proc> | |
116 void initSamplers(Proc*, int* texUnitIdx); | |
117 | 114 |
118 // A templated helper to loop over effects, set the transforms(via subclass)
and bind textures | 115 // A templated helper to loop over effects, set the transforms(via subclass)
and bind textures |
119 void setFragmentData(const GrPrimitiveProcessor&, const GrPipeline&); | 116 void setFragmentData(const GrPrimitiveProcessor&, const GrPipeline&, |
| 117 SkTArray<const GrTextureAccess*>* textureBindings); |
120 virtual void setTransformData(const GrPrimitiveProcessor&, | 118 virtual void setTransformData(const GrPrimitiveProcessor&, |
121 const GrPendingFragmentStage&, | 119 const GrPendingFragmentStage&, |
122 int index, | 120 int index, |
123 GrGLInstalledFragProc*); | 121 GrGLInstalledFragProc*); |
124 template <class Proc> | |
125 void bindTextures(const Proc*, const GrProcessor&); | |
126 | 122 |
127 /* | 123 /* |
128 * Legacy NVPR needs a hook here to flush path tex gen settings. | 124 * Legacy NVPR needs a hook here to flush path tex gen settings. |
129 * TODO when legacy nvpr is removed, remove this call. | 125 * TODO when legacy nvpr is removed, remove this call. |
130 */ | 126 */ |
131 virtual void didSetData() {} | 127 virtual void didSetData() {} |
132 | 128 |
133 // Helper for setData() that sets the view matrix and loads the render targe
t height uniform | 129 // Helper for setData() that sets the view matrix and loads the render targe
t height uniform |
134 void setRenderTargetState(const GrPrimitiveProcessor&, const GrPipeline&); | 130 void setRenderTargetState(const GrPrimitiveProcessor&, const GrPipeline&); |
135 virtual void onSetRenderTargetState(const GrPrimitiveProcessor&, const GrPip
eline&); | 131 virtual void onSetRenderTargetState(const GrPrimitiveProcessor&, const GrPip
eline&); |
136 | 132 |
137 // these reflect the current values of uniforms (GL uniform values travel wi
th program) | 133 // these reflect the current values of uniforms (GL uniform values travel wi
th program) |
138 RenderTargetState fRenderTargetState; | 134 RenderTargetState fRenderTargetState; |
139 GrColor fColor; | 135 GrColor fColor; |
140 uint8_t fCoverage; | 136 uint8_t fCoverage; |
141 int fDstTextureUnit; | 137 int fDstTextureUnit; |
142 BuiltinUniformHandles fBuiltinUniformHandles; | 138 BuiltinUniformHandles fBuiltinUniformHandles; |
143 GrGLuint fProgramID; | 139 GrGLuint fProgramID; |
144 | 140 |
145 // the installed effects | 141 // the installed effects |
146 SkAutoTDelete<GrGLInstalledGeoProc> fGeometryProcessor; | 142 SkAutoTDelete<GrGLInstalledGeoProc> fGeometryProcessor; |
147 SkAutoTDelete<GrGLInstalledXferProc> fXferProcessor; | 143 SkAutoTDelete<GrGLInstalledXferProc> fXferProcessor; |
148 SkAutoTUnref<GrGLInstalledFragProcs> fFragmentProcessors; | 144 SkAutoTUnref<GrGLInstalledFragProcs> fFragmentProcessors; |
149 | 145 |
150 GrProgramDesc fDesc; | 146 GrProgramDesc fDesc; |
151 GrGLGpu* fGpu; | 147 GrGLGpu* fGpu; |
152 GrGLProgramDataManager fProgramDataManager; | 148 GrGLProgramDataManager fProgramDataManager; |
| 149 SkTArray<UniformHandle> fSamplerUniforms; |
153 | 150 |
154 friend class GrGLProgramBuilder; | 151 friend class GrGLProgramBuilder; |
155 | 152 |
156 typedef SkRefCnt INHERITED; | 153 typedef SkRefCnt INHERITED; |
157 }; | 154 }; |
158 | 155 |
159 /* | 156 /* |
160 * Below are slight specializations of the program object for the different type
s of programs | 157 * Below are slight specializations of the program object for the different type
s of programs |
161 * The default GrGL programs consist of at the very least a vertex and fragment
shader. | 158 * The default GrGL programs consist of at the very least a vertex and fragment
shader. |
162 * Legacy Nvpr only has a fragment shader, 1.3+ Nvpr ignores the vertex shader,
but both require | 159 * Legacy Nvpr only has a fragment shader, 1.3+ Nvpr ignores the vertex shader,
but both require |
163 * specialized methods for setting transform data. Both types of NVPR also requi
re setting the | 160 * specialized methods for setting transform data. Both types of NVPR also requi
re setting the |
164 * projection matrix through a special function call | 161 * projection matrix through a special function call |
165 */ | 162 */ |
166 class GrGLNvprProgram : public GrGLProgram { | 163 class GrGLNvprProgram : public GrGLProgram { |
167 protected: | 164 protected: |
168 GrGLNvprProgram(GrGLGpu*, | 165 GrGLNvprProgram(GrGLGpu*, |
169 const GrProgramDesc&, | 166 const GrProgramDesc&, |
170 const BuiltinUniformHandles&, | 167 const BuiltinUniformHandles&, |
171 GrGLuint programID, | 168 GrGLuint programID, |
172 const UniformInfoArray&, | 169 const UniformInfoArray&, |
173 GrGLInstalledGeoProc*, | 170 GrGLInstalledGeoProc*, |
174 GrGLInstalledXferProc* xferProcessor, | 171 GrGLInstalledXferProc* xferProcessor, |
175 GrGLInstalledFragProcs* fragmentProcessors); | 172 GrGLInstalledFragProcs* fragmentProcessors, |
| 173 SkTArray<UniformHandle>* passSamplerUniforms); |
176 | 174 |
177 private: | 175 private: |
178 void didSetData() override; | 176 void didSetData() override; |
179 virtual void setTransformData(const GrPrimitiveProcessor&, | 177 virtual void setTransformData(const GrPrimitiveProcessor&, |
180 const GrPendingFragmentStage&, | 178 const GrPendingFragmentStage&, |
181 int index, | 179 int index, |
182 GrGLInstalledFragProc*) override; | 180 GrGLInstalledFragProc*) override; |
183 virtual void onSetRenderTargetState(const GrPrimitiveProcessor&, const GrPip
eline&); | 181 virtual void onSetRenderTargetState(const GrPrimitiveProcessor&, const GrPip
eline&); |
184 | 182 |
185 friend class GrGLNvprProgramBuilder; | 183 friend class GrGLNvprProgramBuilder; |
186 | 184 |
187 typedef GrGLProgram INHERITED; | 185 typedef GrGLProgram INHERITED; |
188 }; | 186 }; |
189 | 187 |
190 #endif | 188 #endif |
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