| OLD | NEW |
| 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 |
| (...skipping 19 matching lines...) Expand all Loading... |
| 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; |
| 41 |
| 40 static GrGLProgram* Create(GrGpuGL* gpu, | 42 static GrGLProgram* Create(GrGpuGL* gpu, |
| 41 const GrGLProgramDesc& desc, | 43 const GrGLProgramDesc& desc, |
| 42 const GrEffectStage* colorStages[], | 44 const GrEffectStage* colorStages[], |
| 43 const GrEffectStage* coverageStages[]); | 45 const GrEffectStage* coverageStages[]); |
| 44 | 46 |
| 45 virtual ~GrGLProgram(); | 47 virtual ~GrGLProgram(); |
| 46 | 48 |
| 47 /** | 49 /** |
| 48 * Call to abandon GL objects owned by this program. | 50 * Call to abandon GL objects owned by this program. |
| 49 */ | 51 */ |
| 50 void abandon(); | 52 void abandon(); |
| 51 | 53 |
| 52 /** | 54 /** |
| 53 * The shader may modify the blend coefficients. Params are in/out. | 55 * The shader may modify the blend coefficients. Params are in/out. |
| 54 */ | 56 */ |
| 55 void overrideBlend(GrBlendCoeff* srcCoeff, GrBlendCoeff* dstCoeff) const; | 57 void overrideBlend(GrBlendCoeff* srcCoeff, GrBlendCoeff* dstCoeff) const; |
| 56 | 58 |
| 57 const GrGLProgramDesc& getDesc() { return fDesc; } | 59 const GrGLProgramDesc& getDesc() { return fDesc; } |
| 58 | 60 |
| 59 /** | 61 /** |
| 60 * Gets the GL program ID for this program. | 62 * Gets the GL program ID for this program. |
| 61 */ | 63 */ |
| 62 GrGLuint programID() const { return fBuilderOutput.fProgramID; } | 64 GrGLuint programID() const { return fProgramID; } |
| 63 | 65 |
| 64 bool hasVertexShader() const { return fBuilderOutput.fHasVertexShader; } | 66 bool hasVertexShader() const { return fHasVertexShader; } |
| 65 | 67 |
| 66 /** | 68 /** |
| 67 * Some GL state that is relevant to programs is not stored per-program. In
particular color | 69 * Some GL state that is relevant to programs is not stored per-program. In
particular color |
| 68 * and coverage attributes can be global state. This struct is read and upda
ted by | 70 * and coverage attributes can be global state. This struct is read and upda
ted by |
| 69 * GrGLProgram::setColor and GrGLProgram::setCoverage to allow us to avoid s
etting this state | 71 * GrGLProgram::setColor and GrGLProgram::setCoverage to allow us to avoid s
etting this state |
| 70 * redundantly. | 72 * redundantly. |
| 71 */ | 73 */ |
| 72 struct SharedGLState { | 74 struct SharedGLState { |
| 73 GrColor fConstAttribColor; | 75 GrColor fConstAttribColor; |
| 74 int fConstAttribColorIndex; | 76 int fConstAttribColorIndex; |
| (...skipping 83 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 158 const GrEffectStage* colorStages[], | 160 const GrEffectStage* colorStages[], |
| 159 const GrEffectStage* coverageStages[], | 161 const GrEffectStage* coverageStages[], |
| 160 const GrDeviceCoordTexture* dstCopy, // can be NULL | 162 const GrDeviceCoordTexture* dstCopy, // can be NULL |
| 161 SharedGLState*); | 163 SharedGLState*); |
| 162 | 164 |
| 163 private: | 165 private: |
| 164 typedef GrGLProgramDataManager::UniformHandle UniformHandle; | 166 typedef GrGLProgramDataManager::UniformHandle UniformHandle; |
| 165 | 167 |
| 166 GrGLProgram(GrGpuGL*, | 168 GrGLProgram(GrGpuGL*, |
| 167 const GrGLProgramDesc&, | 169 const GrGLProgramDesc&, |
| 168 GrGLProgramDataManager*, | 170 const GrGLShaderBuilder&); |
| 169 const GrGLShaderBuilder::GenProgramOutput&); | |
| 170 | 171 |
| 171 // Sets the texture units for samplers. | 172 // Sets the texture units for samplers. |
| 172 void initSamplerUniforms(); | 173 void initSamplerUniforms(); |
| 173 | 174 |
| 174 // 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 |
| 175 // per-vertex colors. | 176 // per-vertex colors. |
| 176 void setColor(const GrDrawState&, GrColor color, SharedGLState*); | 177 void setColor(const GrDrawState&, GrColor color, SharedGLState*); |
| 177 | 178 |
| 178 // 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 |
| 179 // per-vertex coverages. | 180 // per-vertex coverages. |
| 180 void setCoverage(const GrDrawState&, GrColor coverage, SharedGLState*); | 181 void setCoverage(const GrDrawState&, GrColor coverage, SharedGLState*); |
| 181 | 182 |
| 182 // Helper for setData() that sets the view matrix and loads the render targe
t height uniform | 183 // Helper for setData() that sets the view matrix and loads the render targe
t height uniform |
| 183 void setMatrixAndRenderTargetHeight(const GrDrawState&); | 184 void setMatrixAndRenderTargetHeight(const GrDrawState&); |
| 184 | 185 |
| 185 // these reflect the current values of uniforms (GL uniform values travel wi
th program) | 186 // these reflect the current values of uniforms (GL uniform values travel wi
th program) |
| 186 MatrixState fMatrixState; | 187 MatrixState fMatrixState; |
| 187 GrColor fColor; | 188 GrColor fColor; |
| 188 GrColor fCoverage; | 189 GrColor fCoverage; |
| 189 int fDstCopyTexUnit; | 190 int fDstCopyTexUnit; |
| 190 | 191 |
| 191 GrGLShaderBuilder::GenProgramOutput fBuilderOutput; | 192 BuiltinUniformHandles fBuiltinUniformHandles; |
| 193 SkAutoTUnref<GrGLProgramEffects> fColorEffects; |
| 194 SkAutoTUnref<GrGLProgramEffects> fCoverageEffects; |
| 195 GrGLuint fProgramID; |
| 196 bool fHasVertexShader; |
| 197 int fTexCoordSetCnt; |
| 192 | 198 |
| 193 GrGLProgramDesc fDesc; | 199 GrGLProgramDesc fDesc; |
| 194 GrGpuGL* fGpu; | 200 GrGpuGL* fGpu; |
| 195 | 201 |
| 196 SkAutoTUnref<GrGLProgramDataManager> fProgramDataManager; | 202 GrGLProgramDataManager fProgramDataManager; |
| 197 | 203 |
| 198 typedef SkRefCnt INHERITED; | 204 typedef SkRefCnt INHERITED; |
| 199 }; | 205 }; |
| 200 | 206 |
| 201 #endif | 207 #endif |
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