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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 GrProcessor_DEFINED | 8 #ifndef GrProcessor_DEFINED |
9 #define GrProcessor_DEFINED | 9 #define GrProcessor_DEFINED |
10 | 10 |
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111 * request to access the fragment position will be denied. | 111 * request to access the fragment position will be denied. |
112 */ | 112 */ |
113 void setWillReadFragmentPosition() { fWillReadFragmentPosition = true; } | 113 void setWillReadFragmentPosition() { fWillReadFragmentPosition = true; } |
114 | 114 |
115 template <typename PROC_SUBCLASS> void initClassID() { | 115 template <typename PROC_SUBCLASS> void initClassID() { |
116 static uint32_t kClassID = GenClassID(); | 116 static uint32_t kClassID = GenClassID(); |
117 fClassID = kClassID; | 117 fClassID = kClassID; |
118 } | 118 } |
119 | 119 |
120 uint32_t fClassID; | 120 uint32_t fClassID; |
| 121 SkSTArray<4, const GrTextureAccess*, true> fTextureAccesses; |
121 | 122 |
122 private: | 123 private: |
123 static uint32_t GenClassID() { | 124 static uint32_t GenClassID() { |
124 // fCurrProcessorClassID has been initialized to kIllegalProcessorClassI
D. The | 125 // fCurrProcessorClassID has been initialized to kIllegalProcessorClassI
D. The |
125 // atomic inc returns the old value not the incremented value. So we add | 126 // atomic inc returns the old value not the incremented value. So we add |
126 // 1 to the returned value. | 127 // 1 to the returned value. |
127 uint32_t id = static_cast<uint32_t>(sk_atomic_inc(&gCurrProcessorClassID
)) + 1; | 128 uint32_t id = static_cast<uint32_t>(sk_atomic_inc(&gCurrProcessorClassID
)) + 1; |
128 if (!id) { | 129 if (!id) { |
129 SkFAIL("This should never wrap as it should only be called once for
each GrProcessor " | 130 SkFAIL("This should never wrap as it should only be called once for
each GrProcessor " |
130 "subclass."); | 131 "subclass."); |
131 } | 132 } |
132 return id; | 133 return id; |
133 } | 134 } |
134 | 135 |
135 enum { | 136 enum { |
136 kIllegalProcessorClassID = 0, | 137 kIllegalProcessorClassID = 0, |
137 }; | 138 }; |
138 static int32_t gCurrProcessorClassID; | 139 static int32_t gCurrProcessorClassID; |
139 | 140 |
140 SkSTArray<4, const GrTextureAccess*, true> fTextureAccesses; | |
141 bool fWillReadFragmentPosition; | 141 bool fWillReadFragmentPosition; |
142 | 142 |
143 typedef GrProgramElement INHERITED; | 143 typedef GrProgramElement INHERITED; |
144 }; | 144 }; |
145 | 145 |
146 /** | 146 /** |
147 * This creates a processor outside of the memory pool. The processor's destruct
or will be called | 147 * This creates a processor outside of the memory pool. The processor's destruct
or will be called |
148 * at global destruction time. NAME will be the name of the created instance. | 148 * at global destruction time. NAME will be the name of the created instance. |
149 */ | 149 */ |
150 #define GR_CREATE_STATIC_PROCESSOR(NAME, PROC_CLASS, ARGS)
\ | 150 #define GR_CREATE_STATIC_PROCESSOR(NAME, PROC_CLASS, ARGS)
\ |
151 static SkAlignedSStorage<sizeof(PROC_CLASS)> g_##NAME##_Storage;
\ | 151 static SkAlignedSStorage<sizeof(PROC_CLASS)> g_##NAME##_Storage;
\ |
152 static PROC_CLASS* NAME SkNEW_PLACEMENT_ARGS(g_##NAME##_Storage.get(), PROC_CLAS
S, ARGS); \ | 152 static PROC_CLASS* NAME SkNEW_PLACEMENT_ARGS(g_##NAME##_Storage.get(), PROC_CLAS
S, ARGS); \ |
153 static SkAutoTDestroy<GrProcessor> NAME##_ad(NAME); | 153 static SkAutoTDestroy<GrProcessor> NAME##_ad(NAME); |
154 | 154 |
155 #endif | 155 #endif |
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