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| 1 #ifndef DMTask_DEFINED |
| 2 #define DMTask_DEFINED |
| 3 |
| 4 #include "DMReporter.h" |
| 5 #include "SkRunnable.h" |
| 6 #include "SkThreadPool.h" |
| 7 |
| 8 // DM will run() these tasks on one of two threadpools, depending on the result |
| 9 // of usesGpu(). The subclasses can call fail() to mark this task as failed, |
| 10 // or make any number of spawnChild() calls to kick off dependent tasks. |
| 11 // |
| 12 // Task deletes itself when run. |
| 13 |
| 14 namespace DM { |
| 15 |
| 16 class TaskRunner; |
| 17 |
| 18 class Task : public SkRunnable { |
| 19 public: |
| 20 Task(Reporter* reporter, TaskRunner* taskRunner); |
| 21 Task(const Task& that); |
| 22 virtual ~Task(); |
| 23 |
| 24 void run(); |
| 25 |
| 26 virtual void draw() = 0; |
| 27 virtual bool usesGpu() const = 0; |
| 28 virtual bool shouldSkip() const = 0; |
| 29 virtual SkString name() const = 0; |
| 30 |
| 31 protected: |
| 32 void spawnChild(Task* task); |
| 33 void fail(); |
| 34 |
| 35 private: |
| 36 // Both unowned. |
| 37 Reporter* fReporter; |
| 38 TaskRunner* fTaskRunner; |
| 39 }; |
| 40 |
| 41 } // namespace DM |
| 42 |
| 43 #endif // DMTask_DEFINED |
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