| // Copyright 2013 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_PIXEL_BUFFER_RASTER_WORKER_POOL_H_ |
| #define CC_RESOURCES_PIXEL_BUFFER_RASTER_WORKER_POOL_H_ |
| |
| #include <deque> |
| #include <set> |
| #include <vector> |
| |
| #include "base/containers/hash_tables.h" |
| #include "cc/resources/raster_worker_pool.h" |
| |
| namespace cc { |
| |
| class CC_EXPORT PixelBufferRasterWorkerPool : public RasterWorkerPool { |
| public: |
| virtual ~PixelBufferRasterWorkerPool(); |
| |
| static scoped_ptr<RasterWorkerPool> Create( |
| ResourceProvider* resource_provider, |
| size_t num_threads, |
| size_t max_transfer_buffer_usage_bytes) { |
| return make_scoped_ptr<RasterWorkerPool>( |
| new PixelBufferRasterWorkerPool(resource_provider, |
| num_threads, |
| max_transfer_buffer_usage_bytes)); |
| } |
| |
| // Overridden from WorkerPool: |
| virtual void Shutdown() OVERRIDE; |
| virtual void CheckForCompletedTasks() OVERRIDE; |
| |
| // Overridden from RasterWorkerPool: |
| virtual void ScheduleTasks(RasterTask::Queue* queue) OVERRIDE; |
| virtual ResourceFormat GetResourceFormat() const OVERRIDE; |
| virtual void OnRasterTasksFinished() OVERRIDE; |
| virtual void OnRasterTasksRequiredForActivationFinished() OVERRIDE; |
| |
| private: |
| PixelBufferRasterWorkerPool(ResourceProvider* resource_provider, |
| size_t num_threads, |
| size_t max_transfer_buffer_usage_bytes); |
| |
| void FlushUploads(); |
| void CheckForCompletedUploads(); |
| void ScheduleCheckForCompletedRasterTasks(); |
| void CheckForCompletedRasterTasks(); |
| void ScheduleMoreTasks(); |
| void OnRasterTaskCompleted( |
| scoped_refptr<internal::RasterWorkerPoolTask> task, |
| bool was_canceled, |
| bool needs_upload); |
| void DidCompleteRasterTask(internal::RasterWorkerPoolTask* task); |
| unsigned PendingRasterTaskCount() const; |
| bool HasPendingTasks() const; |
| bool HasPendingTasksRequiredForActivation() const; |
| |
| const char* StateName() const; |
| scoped_ptr<base::Value> StateAsValue() const; |
| scoped_ptr<base::Value> ThrottleStateAsValue() const; |
| |
| bool shutdown_; |
| |
| TaskMap pixel_buffer_tasks_; |
| |
| typedef std::deque<scoped_refptr<internal::RasterWorkerPoolTask> > TaskDeque; |
| TaskDeque tasks_with_pending_upload_; |
| TaskDeque completed_tasks_; |
| |
| typedef base::hash_set<internal::RasterWorkerPoolTask*> TaskSet; |
| TaskSet tasks_required_for_activation_; |
| |
| size_t scheduled_raster_task_count_; |
| size_t bytes_pending_upload_; |
| size_t max_bytes_pending_upload_; |
| bool has_performed_uploads_since_last_flush_; |
| base::CancelableClosure check_for_completed_raster_tasks_callback_; |
| bool check_for_completed_raster_tasks_pending_; |
| |
| bool should_notify_client_if_no_tasks_are_pending_; |
| bool should_notify_client_if_no_tasks_required_for_activation_are_pending_; |
| ResourceFormat format_; |
| |
| DISALLOW_COPY_AND_ASSIGN(PixelBufferRasterWorkerPool); |
| }; |
| |
| } // namespace cc |
| |
| #endif // CC_RESOURCES_PIXEL_BUFFER_RASTER_WORKER_POOL_H_ |