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| 1 /* | 1 /* | 
| 2  * Copyright 2012 Google Inc. | 2  * Copyright 2012 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 #ifndef GrGLEffect_DEFINED | 8 #ifndef GrGLEffect_DEFINED | 
| 9 #define GrGLEffect_DEFINED | 9 #define GrGLEffect_DEFINED | 
| 10 | 10 | 
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| 27     The GrGLEffect subclass must also have a constructor of the form: | 27     The GrGLEffect subclass must also have a constructor of the form: | 
| 28         EffectSubclass::EffectSubclass(const GrBackendEffectFactory&, const GrDr
     awEffect&) | 28         EffectSubclass::EffectSubclass(const GrBackendEffectFactory&, const GrDr
     awEffect&) | 
| 29     The effect held by the GrDrawEffect is guaranteed to be of the type that gen
     erated the | 29     The effect held by the GrDrawEffect is guaranteed to be of the type that gen
     erated the | 
| 30     GrGLEffect subclass instance. | 30     GrGLEffect subclass instance. | 
| 31 | 31 | 
| 32     These objects are created by the factory object returned by the GrEffect::ge
     tFactory(). | 32     These objects are created by the factory object returned by the GrEffect::ge
     tFactory(). | 
| 33 */ | 33 */ | 
| 34 | 34 | 
| 35 class GrDrawEffect; | 35 class GrDrawEffect; | 
| 36 class GrGLTexture; | 36 class GrGLTexture; | 
| 37 class GrGLVertexEffect; | 37 class GrGLGeometryProcessor; | 
| 38 | 38 | 
| 39 class GrGLEffect { | 39 class GrGLEffect { | 
| 40 | 40 | 
| 41 public: | 41 public: | 
| 42     typedef GrGLProgramEffects::TransformedCoordsArray TransformedCoordsArray; | 42     typedef GrGLProgramEffects::TransformedCoordsArray TransformedCoordsArray; | 
| 43     typedef GrGLProgramEffects::TextureSampler TextureSampler; | 43     typedef GrGLProgramEffects::TextureSampler TextureSampler; | 
| 44     typedef GrGLProgramEffects::TextureSamplerArray TextureSamplerArray; | 44     typedef GrGLProgramEffects::TextureSamplerArray TextureSamplerArray; | 
| 45 | 45 | 
| 46     GrGLEffect(const GrBackendEffectFactory& factory) | 46     GrGLEffect(const GrBackendEffectFactory& factory) | 
| 47         : fFactory(factory) | 47         : fFactory(factory) | 
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| 83         effect key as the one that created this GrGLEffect. Effects that use loc
     al coords have | 83         effect key as the one that created this GrGLEffect. Effects that use loc
     al coords have | 
| 84         to consider whether the GrEffectStage's coord change matrix should be us
     ed. When explicit | 84         to consider whether the GrEffectStage's coord change matrix should be us
     ed. When explicit | 
| 85         local coordinates are used it can be ignored. */ | 85         local coordinates are used it can be ignored. */ | 
| 86     virtual void setData(const GrGLProgramDataManager&, const GrDrawEffect&) {} | 86     virtual void setData(const GrGLProgramDataManager&, const GrDrawEffect&) {} | 
| 87 | 87 | 
| 88     const char* name() const { return fFactory.name(); } | 88     const char* name() const { return fFactory.name(); } | 
| 89 | 89 | 
| 90     static void GenKey(const GrDrawEffect&, const GrGLCaps&, GrEffectKeyBuilder*
     ) {} | 90     static void GenKey(const GrDrawEffect&, const GrGLCaps&, GrEffectKeyBuilder*
     ) {} | 
| 91 | 91 | 
| 92     /** Used by the system when generating shader code, to see if this effect ca
     n be downcasted to | 92     /** Used by the system when generating shader code, to see if this effect ca
     n be downcasted to | 
| 93         the internal GrGLVertexEffect type */ | 93         the internal GrGLGeometryProcessor type */ | 
| 94     bool isVertexEffect() const { return fIsVertexEffect; } | 94     bool isVertexEffect() const { return fIsVertexEffect; } | 
| 95 | 95 | 
| 96 protected: | 96 protected: | 
| 97     const GrBackendEffectFactory& fFactory; | 97     const GrBackendEffectFactory& fFactory; | 
| 98 | 98 | 
| 99 private: | 99 private: | 
| 100     friend class GrGLVertexEffect; // to set fIsVertexEffect | 100     friend class GrGLGeometryProcessor; // to set fIsVertexEffect | 
| 101 | 101 | 
| 102     bool fIsVertexEffect; | 102     bool fIsVertexEffect; | 
| 103 }; | 103 }; | 
| 104 | 104 | 
| 105 #endif | 105 #endif | 
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