OLD | NEW |
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 GrBackendProcessorFactory_DEFINED | 8 #ifndef GrBackendProcessorFactory_DEFINED |
9 #define GrBackendProcessorFactory_DEFINED | 9 #define GrBackendProcessorFactory_DEFINED |
10 | 10 |
(...skipping 93 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
104 /** | 104 /** |
105 * Produces a human-reable name for the v. | 105 * Produces a human-reable name for the v. |
106 */ | 106 */ |
107 virtual const char* name() const = 0; | 107 virtual const char* name() const = 0; |
108 | 108 |
109 /** | 109 /** |
110 * A unique value for every instance of this factory. It is automatically in
corporated into the | 110 * A unique value for every instance of this factory. It is automatically in
corporated into the |
111 * processor's key. This allows keys generated by getGLProcessorKey() to onl
y be unique within a | 111 * processor's key. This allows keys generated by getGLProcessorKey() to onl
y be unique within a |
112 * GrProcessor subclass and not necessarily across subclasses. | 112 * GrProcessor subclass and not necessarily across subclasses. |
113 */ | 113 */ |
114 uint32_t effectClassID() const { return fEffectClassID; } | 114 uint32_t classID() const { return fProcessorClassID; } |
115 | 115 |
116 protected: | 116 protected: |
117 GrBackendProcessorFactory() : fEffectClassID(GenID()) {} | 117 GrBackendProcessorFactory() : fProcessorClassID(GenClassID()) {} |
118 virtual ~GrBackendProcessorFactory() {} | 118 virtual ~GrBackendProcessorFactory() {} |
119 | 119 |
120 private: | 120 private: |
121 enum { | 121 enum { |
122 kIllegalEffectClassID = 0, | 122 kIllegalProcessorClassID = 0, |
123 }; | 123 }; |
124 | 124 |
125 static uint32_t GenID() { | 125 static uint32_t GenClassID() { |
126 // fCurrEffectClassID has been initialized to kIllegalEffectClassID. The | 126 // fCurrProcessorClassID has been initialized to kIllegalProcessorClassI
D. The |
127 // atomic inc returns the old value not the incremented value. So we add | 127 // atomic inc returns the old value not the incremented value. So we add |
128 // 1 to the returned value. | 128 // 1 to the returned value. |
129 uint32_t id = static_cast<uint32_t>(sk_atomic_inc(&fCurrEffectClassID))
+ 1; | 129 uint32_t id = static_cast<uint32_t>(sk_atomic_inc(&fCurrProcessorClassID
)) + 1; |
130 if (!id) { | 130 if (!id) { |
131 SkFAIL("This should never wrap as it should only be called once for
each GrProcessor " | 131 SkFAIL("This should never wrap as it should only be called once for
each GrProcessor " |
132 "subclass."); | 132 "subclass."); |
133 } | 133 } |
134 return id; | 134 return id; |
135 } | 135 } |
136 | 136 |
137 const uint32_t fEffectClassID; | 137 const uint32_t fProcessorClassID; |
138 static int32_t fCurrEffectClassID; | 138 static int32_t fCurrProcessorClassID; |
139 }; | 139 }; |
140 | 140 |
141 class GrFragmentProcessor; | 141 class GrFragmentProcessor; |
142 class GrGeometryProcessor; | 142 class GrGeometryProcessor; |
143 class GrGLFragmentProcessor; | 143 class GrGLFragmentProcessor; |
144 class GrGLGeometryProcessor; | 144 class GrGLGeometryProcessor; |
145 | 145 |
146 /** | 146 /** |
147 * Backend processor factory cannot actually create anything, it is up to subcla
sses to implement | 147 * Backend processor factory cannot actually create anything, it is up to subcla
sses to implement |
148 * a create binding which matches Gr to GL in a type safe way | 148 * a create binding which matches Gr to GL in a type safe way |
(...skipping 11 matching lines...) Expand all Loading... |
160 class GrBackendGeometryProcessorFactory : public GrBackendProcessorFactory { | 160 class GrBackendGeometryProcessorFactory : public GrBackendProcessorFactory { |
161 public: | 161 public: |
162 /** | 162 /** |
163 * Creates a GrGLProcessor instance that is used both to generate code for t
he GrProcessor in a | 163 * Creates a GrGLProcessor instance that is used both to generate code for t
he GrProcessor in a |
164 * GLSL program and to manage updating uniforms for the program when it is u
sed. | 164 * GLSL program and to manage updating uniforms for the program when it is u
sed. |
165 */ | 165 */ |
166 virtual GrGLGeometryProcessor* createGLInstance(const GrGeometryProcessor&)
const = 0; | 166 virtual GrGLGeometryProcessor* createGLInstance(const GrGeometryProcessor&)
const = 0; |
167 }; | 167 }; |
168 | 168 |
169 #endif | 169 #endif |
OLD | NEW |