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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 |
| (...skipping 16 matching lines...) Expand all Loading... |
| 27 * This class manages a GPU program and records per-program information. | 27 * This class manages a GPU program and records per-program information. |
| 28 * We can specify the attribute locations so that they are constant | 28 * We can specify the attribute locations so that they are constant |
| 29 * across our shaders. But the driver determines the uniform locations | 29 * across our shaders. But the driver determines the uniform locations |
| 30 * at link time. We don't need to remember the sampler uniform location | 30 * at link time. We don't need to remember the sampler uniform location |
| 31 * because we will bind a texture slot to it and never change it | 31 * because we will bind a texture slot to it and never change it |
| 32 * Uniforms are program-local so we can't rely on fHWState to hold the | 32 * Uniforms are program-local so we can't rely on fHWState to hold the |
| 33 * previous uniform state after a program change. | 33 * previous uniform state after a program change. |
| 34 */ | 34 */ |
| 35 class GrGLProgram : public SkRefCnt { | 35 class GrGLProgram : public SkRefCnt { |
| 36 public: | 36 public: |
| 37 | |
| 38 | |
| 39 typedef GrGLProgramBuilder::BuiltinUniformHandles BuiltinUniformHandles; | 37 typedef GrGLProgramBuilder::BuiltinUniformHandles BuiltinUniformHandles; |
| 40 | 38 |
| 41 virtual ~GrGLProgram(); | 39 virtual ~GrGLProgram(); |
| 42 | 40 |
| 43 /** | 41 /** |
| 44 * Call to abandon GL objects owned by this program. | 42 * Call to abandon GL objects owned by this program. |
| 45 */ | 43 */ |
| 46 void abandon(); | 44 void abandon(); |
| 47 | 45 |
| 48 const GrProgramDesc& getDesc() { return fDesc; } | 46 const GrProgramDesc& getDesc() { return fDesc; } |
| (...skipping 44 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 93 * textures that need to be bound on each unit. It is the caller's responsib
ility to ensure | 91 * 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 | 92 * 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.) | 93 * units upon return. (Each index in the array corresponds to its matching G
L texture unit.) |
| 96 */ | 94 */ |
| 97 void setData(const GrPrimitiveProcessor&, const GrPipeline&, | 95 void setData(const GrPrimitiveProcessor&, const GrPipeline&, |
| 98 SkTArray<const GrTextureAccess*>* textureBindings); | 96 SkTArray<const GrTextureAccess*>* textureBindings); |
| 99 | 97 |
| 100 protected: | 98 protected: |
| 101 typedef GrGLProgramDataManager::UniformHandle UniformHandle; | 99 typedef GrGLProgramDataManager::UniformHandle UniformHandle; |
| 102 typedef GrGLProgramDataManager::UniformInfoArray UniformInfoArray; | 100 typedef GrGLProgramDataManager::UniformInfoArray UniformInfoArray; |
| 101 typedef GrGLProgramDataManager::SeparableVaryingInfoArray SeparableVaryingIn
foArray; |
| 103 | 102 |
| 104 GrGLProgram(GrGLGpu*, | 103 GrGLProgram(GrGLGpu*, |
| 105 const GrProgramDesc&, | 104 const GrProgramDesc&, |
| 106 const BuiltinUniformHandles&, | 105 const BuiltinUniformHandles&, |
| 107 GrGLuint programID, | 106 GrGLuint programID, |
| 108 const UniformInfoArray&, | 107 const UniformInfoArray&, |
| 108 const SeparableVaryingInfoArray&, |
| 109 GrGLInstalledGeoProc* geometryProcessor, | 109 GrGLInstalledGeoProc* geometryProcessor, |
| 110 GrGLInstalledXferProc* xferProcessor, | 110 GrGLInstalledXferProc* xferProcessor, |
| 111 GrGLInstalledFragProcs* fragmentProcessors, | 111 GrGLInstalledFragProcs* fragmentProcessors, |
| 112 SkTArray<UniformHandle>* passSamplerUniforms); | 112 SkTArray<UniformHandle>* passSamplerUniforms); |
| 113 | 113 |
| 114 // A templated helper to loop over effects, set the transforms(via subclass)
and bind textures | 114 // A templated helper to loop over effects, set the transforms(via subclass)
and bind textures |
| 115 void setFragmentData(const GrPrimitiveProcessor&, const GrPipeline&, | 115 void setFragmentData(const GrPrimitiveProcessor&, const GrPipeline&, |
| 116 SkTArray<const GrTextureAccess*>* textureBindings); | 116 SkTArray<const GrTextureAccess*>* textureBindings); |
| 117 virtual void setTransformData(const GrPrimitiveProcessor&, | 117 virtual void setTransformData(const GrPrimitiveProcessor&, |
| 118 const GrFragmentProcessor&, | 118 const GrFragmentProcessor&, |
| 119 int index, | 119 int index, |
| 120 GrGLInstalledFragProc*); | 120 GrGLInstalledFragProc*); |
| 121 | 121 |
| 122 /* | |
| 123 * Legacy NVPR needs a hook here to flush path tex gen settings. | |
| 124 * TODO when legacy nvpr is removed, remove this call. | |
| 125 */ | |
| 126 virtual void didSetData() {} | |
| 127 | |
| 128 // Helper for setData() that sets the view matrix and loads the render targe
t height uniform | 122 // Helper for setData() that sets the view matrix and loads the render targe
t height uniform |
| 129 void setRenderTargetState(const GrPrimitiveProcessor&, const GrPipeline&); | 123 void setRenderTargetState(const GrPrimitiveProcessor&, const GrPipeline&); |
| 130 virtual void onSetRenderTargetState(const GrPrimitiveProcessor&, const GrPip
eline&); | 124 virtual void onSetRenderTargetState(const GrPrimitiveProcessor&, const GrPip
eline&); |
| 131 | 125 |
| 132 // these reflect the current values of uniforms (GL uniform values travel wi
th program) | 126 // these reflect the current values of uniforms (GL uniform values travel wi
th program) |
| 133 RenderTargetState fRenderTargetState; | 127 RenderTargetState fRenderTargetState; |
| 134 GrColor fColor; | 128 GrColor fColor; |
| 135 uint8_t fCoverage; | 129 uint8_t fCoverage; |
| 136 int fDstTextureUnit; | 130 int fDstTextureUnit; |
| 137 BuiltinUniformHandles fBuiltinUniformHandles; | 131 BuiltinUniformHandles fBuiltinUniformHandles; |
| 138 GrGLuint fProgramID; | 132 GrGLuint fProgramID; |
| 139 | 133 |
| 140 // the installed effects | 134 // the installed effects |
| 141 SkAutoTDelete<GrGLInstalledGeoProc> fGeometryProcessor; | 135 SkAutoTDelete<GrGLInstalledGeoProc> fGeometryProcessor; |
| 142 SkAutoTDelete<GrGLInstalledXferProc> fXferProcessor; | 136 SkAutoTDelete<GrGLInstalledXferProc> fXferProcessor; |
| 143 SkAutoTUnref<GrGLInstalledFragProcs> fFragmentProcessors; | 137 SkAutoTUnref<GrGLInstalledFragProcs> fFragmentProcessors; |
| 144 | 138 |
| 145 GrProgramDesc fDesc; | 139 GrProgramDesc fDesc; |
| 146 GrGLGpu* fGpu; | 140 GrGLGpu* fGpu; |
| 147 GrGLProgramDataManager fProgramDataManager; | 141 GrGLProgramDataManager fProgramDataManager; |
| 148 SkTArray<UniformHandle> fSamplerUniforms; | 142 SkTArray<UniformHandle> fSamplerUniforms; |
| 149 | 143 |
| 150 friend class GrGLProgramBuilder; | 144 friend class GrGLProgramBuilder; |
| 151 | 145 |
| 152 typedef SkRefCnt INHERITED; | 146 typedef SkRefCnt INHERITED; |
| 153 }; | 147 }; |
| 154 | 148 |
| 155 #endif | 149 #endif |
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