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1 /* | 1 /* |
2 * Copyright 2014 Google Inc. | 2 * Copyright 2014 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 SkTaskGroup_DEFINED | 8 #ifndef SkTaskGroup_DEFINED |
9 #define SkTaskGroup_DEFINED | 9 #define SkTaskGroup_DEFINED |
10 | 10 |
11 #include "SkTypes.h" | 11 #include "SkTypes.h" |
12 #include "SkRunnable.h" | 12 #include "SkRunnable.h" |
13 | 13 |
14 class SkTaskGroup : SkNoncopyable { | 14 class SkTaskGroup : SkNoncopyable { |
15 public: | 15 public: |
16 // Create one of these in main() to enable SkTaskGroups globally. | 16 // Create one of these in main() to enable SkTaskGroups globally. |
17 struct Enabler : SkNoncopyable { | 17 struct Enabler : SkNoncopyable { |
18 explicit Enabler(int threads = -1); // Default is system-reported core
count. | 18 explicit Enabler(int threads = -1); // Default is system-reported core
count. |
19 ~Enabler(); | 19 ~Enabler(); |
20 }; | 20 }; |
21 | 21 |
22 SkTaskGroup(); | 22 SkTaskGroup(); |
23 ~SkTaskGroup() { this->wait(); } | 23 ~SkTaskGroup() { this->wait(); } |
24 | 24 |
25 // Add a task to this SkTaskGroup. It will likely run() on another thread. | 25 // Add a task to this SkTaskGroup. It will likely run on another thread. |
| 26 // Neither add() method takes owership of any of its parameters. |
26 void add(SkRunnable*); | 27 void add(SkRunnable*); |
| 28 void add(void (*fn)(void*), void* arg); |
27 | 29 |
28 // Block until all Tasks previously add()ed to this SkTaskGroup have run(). | 30 // Block until all Tasks previously add()ed to this SkTaskGroup have run. |
29 // You may safely reuse this SkTaskGroup after wait() returns. | 31 // You may safely reuse this SkTaskGroup after wait() returns. |
30 void wait(); | 32 void wait(); |
31 | 33 |
32 private: | 34 private: |
33 /*atomic*/ int32_t fPending; | 35 /*atomic*/ int32_t fPending; |
34 }; | 36 }; |
35 | 37 |
36 #endif//SkTaskGroup_DEFINED | 38 #endif//SkTaskGroup_DEFINED |
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