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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 |
11 | 11 |
12 #include "builders/GrGLProgramBuilder.h" | 12 #include "builders/GrGLProgramBuilder.h" |
13 #include "GrDrawState.h" | |
14 #include "GrGLContext.h" | 13 #include "GrGLContext.h" |
15 #include "GrGLProgramDesc.h" | 14 #include "GrGLProgramDesc.h" |
16 #include "GrGLSL.h" | 15 #include "GrGLSL.h" |
17 #include "GrGLTexture.h" | 16 #include "GrGLTexture.h" |
18 #include "GrGLProgramDataManager.h" | 17 #include "GrGLProgramDataManager.h" |
19 | 18 |
20 #include "SkString.h" | 19 #include "SkString.h" |
21 #include "SkXfermode.h" | 20 #include "SkXfermode.h" |
22 | 21 |
23 class GrGLProcessor; | 22 class GrGLProcessor; |
24 class GrGLInstalledProcessors; | 23 class GrGLInstalledProcessors; |
25 class GrGLProgramBuilder; | 24 class GrGLProgramBuilder; |
| 25 class GrPipeline; |
26 | 26 |
27 /** | 27 /** |
28 * This class manages a GPU program and records per-program information. | 28 * This class manages a GPU program and records per-program information. |
29 * We can specify the attribute locations so that they are constant | 29 * We can specify the attribute locations so that they are constant |
30 * across our shaders. But the driver determines the uniform locations | 30 * across our shaders. But the driver determines the uniform locations |
31 * at link time. We don't need to remember the sampler uniform location | 31 * at link time. We don't need to remember the sampler uniform location |
32 * because we will bind a texture slot to it and never change it | 32 * because we will bind a texture slot to it and never change it |
33 * Uniforms are program-local so we can't rely on fHWState to hold the | 33 * Uniforms are program-local so we can't rely on fHWState to hold the |
34 * previous uniform state after a program change. | 34 * previous uniform state after a program change. |
35 */ | 35 */ |
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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 and calls each GrGLProcessor's setData. It
is called before a |
94 * draw occurs using the program after the program has already been bound. I
t also uses the | 94 * draw occurs using the program after the program has already been bound. I
t also uses the |
95 * GrGLGpu object to bind the textures required by the GrGLProcessors. The c
olor and coverage | 95 * GrGLGpu object to bind the textures required by the GrGLProcessors. The c
olor and coverage |
96 * stages come from GrGLProgramDesc::Build(). | 96 * stages come from GrGLProgramDesc::Build(). |
97 */ | 97 */ |
98 void setData(const GrPrimitiveProcessor&, const GrOptDrawState&, const GrBat
chTracker&); | 98 void setData(const GrPrimitiveProcessor&, const GrPipeline&, const GrBatchTr
acker&); |
99 | 99 |
100 protected: | 100 protected: |
101 typedef GrGLProgramDataManager::UniformHandle UniformHandle; | 101 typedef GrGLProgramDataManager::UniformHandle UniformHandle; |
102 typedef GrGLProgramDataManager::UniformInfoArray UniformInfoArray; | 102 typedef GrGLProgramDataManager::UniformInfoArray UniformInfoArray; |
103 | 103 |
104 GrGLProgram(GrGLGpu*, | 104 GrGLProgram(GrGLGpu*, |
105 const GrProgramDesc&, | 105 const GrProgramDesc&, |
106 const BuiltinUniformHandles&, | 106 const BuiltinUniformHandles&, |
107 GrGLuint programID, | 107 GrGLuint programID, |
108 const UniformInfoArray&, | 108 const UniformInfoArray&, |
109 GrGLInstalledGeoProc* geometryProcessor, | 109 GrGLInstalledGeoProc* geometryProcessor, |
110 GrGLInstalledXferProc* xferProcessor, | 110 GrGLInstalledXferProc* xferProcessor, |
111 GrGLInstalledFragProcs* fragmentProcessors); | 111 GrGLInstalledFragProcs* fragmentProcessors); |
112 | 112 |
113 // Sets the texture units for samplers. | 113 // Sets the texture units for samplers. |
114 void initSamplerUniforms(); | 114 void initSamplerUniforms(); |
115 template <class Proc> | 115 template <class Proc> |
116 void initSamplers(Proc*, int* texUnitIdx); | 116 void initSamplers(Proc*, int* texUnitIdx); |
117 | 117 |
118 // A templated helper to loop over effects, set the transforms(via subclass)
and bind textures | 118 // A templated helper to loop over effects, set the transforms(via subclass)
and bind textures |
119 void setFragmentData(const GrPrimitiveProcessor&, const GrOptDrawState&); | 119 void setFragmentData(const GrPrimitiveProcessor&, const GrPipeline&); |
120 virtual void setTransformData(const GrPrimitiveProcessor&, | 120 virtual void setTransformData(const GrPrimitiveProcessor&, |
121 const GrPendingFragmentStage&, | 121 const GrPendingFragmentStage&, |
122 int index, | 122 int index, |
123 GrGLInstalledFragProc*); | 123 GrGLInstalledFragProc*); |
124 template <class Proc> | 124 template <class Proc> |
125 void bindTextures(const Proc*, const GrProcessor&); | 125 void bindTextures(const Proc*, const GrProcessor&); |
126 | 126 |
127 /* | 127 /* |
128 * Legacy NVPR needs a hook here to flush path tex gen settings. | 128 * Legacy NVPR needs a hook here to flush path tex gen settings. |
129 * TODO when legacy nvpr is removed, remove this call. | 129 * TODO when legacy nvpr is removed, remove this call. |
130 */ | 130 */ |
131 virtual void didSetData() {} | 131 virtual void didSetData() {} |
132 | 132 |
133 // Helper for setData() that sets the view matrix and loads the render targe
t height uniform | 133 // Helper for setData() that sets the view matrix and loads the render targe
t height uniform |
134 void setRenderTargetState(const GrPrimitiveProcessor&, const GrOptDrawState&
); | 134 void setRenderTargetState(const GrPrimitiveProcessor&, const GrPipeline&); |
135 virtual void onSetRenderTargetState(const GrPrimitiveProcessor&, const GrOpt
DrawState&); | 135 virtual void onSetRenderTargetState(const GrPrimitiveProcessor&, const GrPip
eline&); |
136 | 136 |
137 // these reflect the current values of uniforms (GL uniform values travel wi
th program) | 137 // these reflect the current values of uniforms (GL uniform values travel wi
th program) |
138 RenderTargetState fRenderTargetState; | 138 RenderTargetState fRenderTargetState; |
139 GrColor fColor; | 139 GrColor fColor; |
140 uint8_t fCoverage; | 140 uint8_t fCoverage; |
141 int fDstCopyTexUnit; | 141 int fDstCopyTexUnit; |
142 BuiltinUniformHandles fBuiltinUniformHandles; | 142 BuiltinUniformHandles fBuiltinUniformHandles; |
143 GrGLuint fProgramID; | 143 GrGLuint fProgramID; |
144 | 144 |
145 // the installed effects | 145 // the installed effects |
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173 GrGLInstalledGeoProc*, | 173 GrGLInstalledGeoProc*, |
174 GrGLInstalledXferProc* xferProcessor, | 174 GrGLInstalledXferProc* xferProcessor, |
175 GrGLInstalledFragProcs* fragmentProcessors); | 175 GrGLInstalledFragProcs* fragmentProcessors); |
176 | 176 |
177 private: | 177 private: |
178 void didSetData() SK_OVERRIDE; | 178 void didSetData() SK_OVERRIDE; |
179 virtual void setTransformData(const GrPrimitiveProcessor&, | 179 virtual void setTransformData(const GrPrimitiveProcessor&, |
180 const GrPendingFragmentStage&, | 180 const GrPendingFragmentStage&, |
181 int index, | 181 int index, |
182 GrGLInstalledFragProc*) SK_OVERRIDE; | 182 GrGLInstalledFragProc*) SK_OVERRIDE; |
183 virtual void onSetRenderTargetState(const GrPrimitiveProcessor&, const GrOpt
DrawState&); | 183 virtual void onSetRenderTargetState(const GrPrimitiveProcessor&, const GrPip
eline&); |
184 | 184 |
185 friend class GrGLNvprProgramBuilder; | 185 friend class GrGLNvprProgramBuilder; |
186 | 186 |
187 typedef GrGLProgram INHERITED; | 187 typedef GrGLProgram INHERITED; |
188 }; | 188 }; |
189 | 189 |
190 #endif | 190 #endif |
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