| // Copyright 2014 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CC_RESOURCES_IMAGE_COPY_RASTER_WORKER_POOL_H_ |
| #define CC_RESOURCES_IMAGE_COPY_RASTER_WORKER_POOL_H_ |
| |
| #include <vector> |
| |
| #include "base/memory/weak_ptr.h" |
| #include "base/values.h" |
| #include "cc/resources/raster_worker_pool.h" |
| #include "cc/resources/rasterizer.h" |
| |
| namespace cc { |
| class ResourcePool; |
| class ResourceProvider; |
| class ScopedResource; |
| |
| class CC_EXPORT ImageCopyRasterWorkerPool : public RasterWorkerPool, |
| public Rasterizer, |
| public RasterizerTaskClient { |
| public: |
| virtual ~ImageCopyRasterWorkerPool(); |
| |
| static scoped_ptr<RasterWorkerPool> Create( |
| base::SequencedTaskRunner* task_runner, |
| TaskGraphRunner* task_graph_runner, |
| ResourceProvider* resource_provider, |
| ResourcePool* resource_pool); |
| |
| // Overridden from RasterWorkerPool: |
| virtual Rasterizer* AsRasterizer() OVERRIDE; |
| |
| // Overridden from Rasterizer: |
| virtual void SetClient(RasterizerClient* client) OVERRIDE; |
| virtual void Shutdown() OVERRIDE; |
| virtual void ScheduleTasks(RasterTaskQueue* queue) OVERRIDE; |
| virtual void CheckForCompletedTasks() OVERRIDE; |
| |
| // Overridden from RasterizerTaskClient: |
| virtual SkCanvas* AcquireCanvasForRaster(RasterTask* task) OVERRIDE; |
| virtual void ReleaseCanvasForRaster(RasterTask* task) OVERRIDE; |
| |
| protected: |
| ImageCopyRasterWorkerPool(base::SequencedTaskRunner* task_runner, |
| TaskGraphRunner* task_graph_runner, |
| ResourceProvider* resource_provider, |
| ResourcePool* resource_pool); |
| |
| private: |
| struct RasterTaskState { |
| class TaskComparator { |
| public: |
| explicit TaskComparator(const RasterTask* task) : task_(task) {} |
| |
| bool operator()(const RasterTaskState& state) const { |
| return state.task == task_; |
| } |
| |
| private: |
| const RasterTask* task_; |
| }; |
| |
| typedef std::vector<RasterTaskState> Vector; |
| |
| RasterTaskState(const RasterTask* task, ScopedResource* resource) |
| : task(task), resource(resource) {} |
| |
| const RasterTask* task; |
| ScopedResource* resource; |
| }; |
| |
| void OnRasterFinished(); |
| void OnRasterRequiredForActivationFinished(); |
| void FlushCopies(); |
| scoped_ptr<base::Value> StateAsValue() const; |
| scoped_ptr<base::Value> StagingStateAsValue() const; |
| |
| scoped_refptr<base::SequencedTaskRunner> task_runner_; |
| TaskGraphRunner* task_graph_runner_; |
| const NamespaceToken namespace_token_; |
| RasterizerClient* client_; |
| ResourceProvider* resource_provider_; |
| ResourcePool* resource_pool_; |
| |
| RasterTaskState::Vector raster_task_states_; |
| |
| bool has_performed_copy_since_last_flush_; |
| |
| bool raster_tasks_pending_; |
| bool raster_tasks_required_for_activation_pending_; |
| |
| base::WeakPtrFactory<ImageCopyRasterWorkerPool> |
| raster_finished_weak_ptr_factory_; |
| |
| scoped_refptr<RasterizerTask> raster_finished_task_; |
| scoped_refptr<RasterizerTask> raster_required_for_activation_finished_task_; |
| |
| // Task graph used when scheduling tasks and vector used to gather |
| // completed tasks. |
| TaskGraph graph_; |
| Task::Vector completed_tasks_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ImageCopyRasterWorkerPool); |
| }; |
| |
| } // namespace cc |
| |
| #endif // CC_RESOURCES_IMAGE_COPY_RASTER_WORKER_POOL_H_ |