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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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