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1 /* | 1 /* |
2 * Copyright 2013 Google Inc. | 2 * Copyright 2013 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 GrGeometryProcessor_DEFINED | 8 #ifndef GrGeometryProcessor_DEFINED |
9 #define GrGeometryProcessor_DEFINED | 9 #define GrGeometryProcessor_DEFINED |
10 | 10 |
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36 static const int kMaxVertexAttribs = 2; | 36 static const int kMaxVertexAttribs = 2; |
37 typedef SkTArray<GrShaderVar, true> VertexAttribArray; | 37 typedef SkTArray<GrShaderVar, true> VertexAttribArray; |
38 | 38 |
39 const VertexAttribArray& getVertexAttribs() const { return fVertexAttribs; } | 39 const VertexAttribArray& getVertexAttribs() const { return fVertexAttribs; } |
40 | 40 |
41 bool willUseGeoShader() const { return fWillUseGeoShader; } | 41 bool willUseGeoShader() const { return fWillUseGeoShader; } |
42 | 42 |
43 /** Returns true if this and other processor conservatively draw identically
. It can only return | 43 /** Returns true if this and other processor conservatively draw identically
. It can only return |
44 true when the two prcoessors are of the same subclass (i.e. they return
the same object from | 44 true when the two prcoessors are of the same subclass (i.e. they return
the same object from |
45 from getFactory()). | 45 from getFactory()). |
46 A return value of true from isEqual() should not be used to test whether
the processors | 46 A return value of true from isEqual() should not be used to test whether
the prcoessors |
47 would generate the same shader code. To test for identical code generati
on use the | 47 would generate the same shader code. To test for identical code generati
on use the |
48 processors' keys computed by the GrBackendEffectFactory. */ | 48 processors' keys computed by the GrBackendEffectFactory. */ |
49 bool isEqual(const GrGeometryProcessor& that) const { | 49 bool isEqual(const GrGeometryProcessor& that) const { |
50 if (&this->getFactory() != &that.getFactory() || !this->hasSameTextureAc
cesses(that)) { | 50 if (&this->getFactory() != &that.getFactory() || !this->hasSameTextureAc
cesses(that)) { |
51 return false; | 51 return false; |
52 } | 52 } |
53 return this->onIsEqual(that); | 53 return this->onIsEqual(that); |
54 } | 54 } |
55 | 55 |
56 protected: | 56 protected: |
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69 private: | 69 private: |
70 virtual bool onIsEqual(const GrGeometryProcessor&) const = 0; | 70 virtual bool onIsEqual(const GrGeometryProcessor&) const = 0; |
71 | 71 |
72 SkSTArray<kMaxVertexAttribs, GrShaderVar, true> fVertexAttribs; | 72 SkSTArray<kMaxVertexAttribs, GrShaderVar, true> fVertexAttribs; |
73 bool fWillUseGeoShader; | 73 bool fWillUseGeoShader; |
74 | 74 |
75 typedef GrProcessor INHERITED; | 75 typedef GrProcessor INHERITED; |
76 }; | 76 }; |
77 | 77 |
78 #endif | 78 #endif |
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