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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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| 76 const TransformedCoordsArray& coords, | 76 const TransformedCoordsArray& coords, |
| 77 const TextureSamplerArray& samplers) = 0; | 77 const TextureSamplerArray& samplers) = 0; |
| 78 | 78 |
| 79 /** A GrGLEffect instance can be reused with any GrEffect that produces the
same stage | 79 /** A GrGLEffect instance can be reused with any GrEffect that produces the
same stage |
| 80 key; this function reads data from a GrEffect and uploads any uniform va
riables required | 80 key; this function reads data from a GrEffect and uploads any uniform va
riables required |
| 81 by the shaders created in emitCode(). The GrEffect installed in the GrDr
awEffect is | 81 by the shaders created in emitCode(). The GrEffect installed in the GrDr
awEffect is |
| 82 guaranteed to be of the same type that created this GrGLEffect and to ha
ve an identical | 82 guaranteed to be of the same type that created this GrGLEffect and to ha
ve an identical |
| 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 GrGLUniformManager&, 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 GrGLVertexEffect 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 GrGLVertexEffect; // to set fIsVertexEffect |
| 101 | 101 |
| 102 bool fIsVertexEffect; | 102 bool fIsVertexEffect; |
| 103 }; | 103 }; |
| 104 | 104 |
| 105 #endif | 105 #endif |
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