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// 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_IMAGE_RASTER_WORKER_POOL_H_
#define CC_RESOURCES_IMAGE_RASTER_WORKER_POOL_H_
#include "cc/resources/raster_worker_pool.h"
namespace cc {
class CC_EXPORT ImageRasterWorkerPool : public RasterWorkerPool {
public:
virtual ~ImageRasterWorkerPool();
static scoped_ptr<RasterWorkerPool> Create(
ResourceProvider* resource_provider,
ContextProvider* context_provider,
unsigned texture_target);
// Overridden from RasterWorkerPool:
virtual void ScheduleTasks(RasterTask::Queue* queue) OVERRIDE;
virtual unsigned GetResourceTarget() const OVERRIDE;
virtual ResourceFormat GetResourceFormat() const OVERRIDE;
virtual void CheckForCompletedTasks() OVERRIDE;
// Overridden from internal::WorkerPoolTaskClient:
virtual SkCanvas* AcquireCanvasForRaster(internal::RasterWorkerPoolTask* task)
OVERRIDE;
virtual void OnRasterCompleted(internal::RasterWorkerPoolTask* task,
const PicturePileImpl::Analysis& analysis)
OVERRIDE;
virtual void OnImageDecodeCompleted(internal::WorkerPoolTask* task) OVERRIDE;
protected:
ImageRasterWorkerPool(internal::TaskGraphRunner* task_graph_runner,
ResourceProvider* resource_provider,
ContextProvider* context_provider,
unsigned texture_target);
private:
// Overridden from RasterWorkerPool:
virtual void OnRasterTasksFinished() OVERRIDE;
virtual void OnRasterTasksRequiredForActivationFinished() OVERRIDE;
scoped_ptr<base::Value> StateAsValue() const;
const unsigned texture_target_;
RasterTask::Queue raster_tasks_;
bool raster_tasks_pending_;
bool raster_tasks_required_for_activation_pending_;
// Task graph used when scheduling tasks and vector used to gather
// completed tasks.
internal::TaskGraph graph_;
internal::Task::Vector completed_tasks_;
DISALLOW_COPY_AND_ASSIGN(ImageRasterWorkerPool);
};
} // namespace cc
#endif // CC_RESOURCES_IMAGE_RASTER_WORKER_POOL_H_
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