| #ifndef DMTask_DEFINED |
| #define DMTask_DEFINED |
| |
| #include "DMReporter.h" |
| #include "GrContextFactory.h" |
| #include "SkRunnable.h" |
| |
| // DM will run() these tasks on one of two threadpools. |
| // Subclasses can call fail() to mark this task as failed, or make any number of spawnChild() calls |
| // to kick off dependent tasks. |
| // |
| // Tasks delete themselves when run. |
| |
| namespace DM { |
| |
| class TaskRunner; |
| |
| class CpuTask; |
| |
| class Task { |
| public: |
| virtual bool shouldSkip() const = 0; |
| virtual SkString name() const = 0; |
| |
| // Returns the number of parents above this task. |
| // Top-level tasks return 0, their children 1, and so on. |
| int depth() const { return fDepth; } |
| |
| protected: |
| Task(Reporter* reporter, TaskRunner* taskRunner); |
| Task(const Task& parent); |
| virtual ~Task() {} |
| |
| void fail(const char* msg = NULL); |
| void finish(); |
| void spawnChild(CpuTask* task); // For now we don't allow GPU child tasks. |
| |
| private: |
| Reporter* fReporter; // Unowned. |
| TaskRunner* fTaskRunner; // Unowned. |
| int fDepth; |
| }; |
| |
| class CpuTask : public Task, public SkRunnable { |
| public: |
| CpuTask(Reporter* reporter, TaskRunner* taskRunner); |
| CpuTask(const Task& parent); |
| virtual ~CpuTask() {} |
| |
| void run() SK_OVERRIDE; |
| virtual void draw() = 0; |
| }; |
| |
| class GpuTask : public Task, public SkTRunnable<GrContextFactory> { |
| public: |
| GpuTask(Reporter* reporter, TaskRunner* taskRunner); |
| virtual ~GpuTask() {} |
| |
| void run(GrContextFactory&) SK_OVERRIDE; |
| virtual void draw(GrContextFactory*) = 0; |
| }; |
| |
| } // namespace DM |
| |
| #endif // DMTask_DEFINED |