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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 "GrDrawState.h" | 13 #include "GrDrawState.h" |
13 #include "GrGLContext.h" | 14 #include "GrGLContext.h" |
14 #include "GrGLProgramDesc.h" | 15 #include "GrGLProgramDesc.h" |
15 #include "GrGLShaderBuilder.h" | |
16 #include "GrGLSL.h" | 16 #include "GrGLSL.h" |
17 #include "GrGLTexture.h" | 17 #include "GrGLTexture.h" |
18 #include "GrGLProgramDataManager.h" | 18 #include "GrGLProgramDataManager.h" |
19 | 19 |
20 #include "SkString.h" | 20 #include "SkString.h" |
21 #include "SkXfermode.h" | 21 #include "SkXfermode.h" |
22 | 22 |
23 class GrGLEffect; | 23 class GrGLEffect; |
24 class GrGLProgramEffects; | 24 class GrGLProgramEffects; |
25 class GrGLShaderBuilder; | 25 class GrGLProgramBuilder; |
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 */ |
36 class GrGLProgram : public SkRefCnt { | 36 class GrGLProgram : public SkRefCnt { |
37 public: | 37 public: |
38 SK_DECLARE_INST_COUNT(GrGLProgram) | 38 SK_DECLARE_INST_COUNT(GrGLProgram) |
39 | 39 |
40 typedef GrGLShaderBuilder::BuiltinUniformHandles BuiltinUniformHandles; | 40 typedef GrGLProgramBuilder::BuiltinUniformHandles BuiltinUniformHandles; |
41 | 41 |
42 static GrGLProgram* Create(GrGpuGL* gpu, | 42 static GrGLProgram* Create(GrGpuGL* gpu, |
43 const GrGLProgramDesc& desc, | 43 const GrGLProgramDesc& desc, |
44 const GrEffectStage* colorStages[], | 44 const GrEffectStage* colorStages[], |
45 const GrEffectStage* coverageStages[]); | 45 const GrEffectStage* coverageStages[]); |
46 | 46 |
47 virtual ~GrGLProgram(); | 47 virtual ~GrGLProgram(); |
48 | 48 |
49 /** | 49 /** |
50 * Call to abandon GL objects owned by this program. | 50 * Call to abandon GL objects owned by this program. |
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160 const GrEffectStage* colorStages[], | 160 const GrEffectStage* colorStages[], |
161 const GrEffectStage* coverageStages[], | 161 const GrEffectStage* coverageStages[], |
162 const GrDeviceCoordTexture* dstCopy, // can be NULL | 162 const GrDeviceCoordTexture* dstCopy, // can be NULL |
163 SharedGLState*); | 163 SharedGLState*); |
164 | 164 |
165 private: | 165 private: |
166 typedef GrGLProgramDataManager::UniformHandle UniformHandle; | 166 typedef GrGLProgramDataManager::UniformHandle UniformHandle; |
167 | 167 |
168 GrGLProgram(GrGpuGL*, | 168 GrGLProgram(GrGpuGL*, |
169 const GrGLProgramDesc&, | 169 const GrGLProgramDesc&, |
170 const GrGLShaderBuilder&); | 170 const GrGLProgramBuilder&); |
171 | 171 |
172 // Sets the texture units for samplers. | 172 // Sets the texture units for samplers. |
173 void initSamplerUniforms(); | 173 void initSamplerUniforms(); |
174 | 174 |
175 // Helper for setData(). Makes GL calls to specify the initial color when th
ere is not | 175 // Helper for setData(). Makes GL calls to specify the initial color when th
ere is not |
176 // per-vertex colors. | 176 // per-vertex colors. |
177 void setColor(const GrDrawState&, GrColor color, SharedGLState*); | 177 void setColor(const GrDrawState&, GrColor color, SharedGLState*); |
178 | 178 |
179 // Helper for setData(). Makes GL calls to specify the initial coverage when
there is not | 179 // Helper for setData(). Makes GL calls to specify the initial coverage when
there is not |
180 // per-vertex coverages. | 180 // per-vertex coverages. |
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198 | 198 |
199 GrGLProgramDesc fDesc; | 199 GrGLProgramDesc fDesc; |
200 GrGpuGL* fGpu; | 200 GrGpuGL* fGpu; |
201 | 201 |
202 GrGLProgramDataManager fProgramDataManager; | 202 GrGLProgramDataManager fProgramDataManager; |
203 | 203 |
204 typedef SkRefCnt INHERITED; | 204 typedef SkRefCnt INHERITED; |
205 }; | 205 }; |
206 | 206 |
207 #endif | 207 #endif |
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