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// 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_ONE_COPY_RASTER_WORKER_POOL_H_
#define CC_RESOURCES_ONE_COPY_RASTER_WORKER_POOL_H_
#include "base/memory/weak_ptr.h"
#include "base/values.h"
#include "cc/output/context_provider.h"
#include "cc/resources/raster_worker_pool.h"
#include "cc/resources/rasterizer.h"
namespace base {
namespace debug {
class ConvertableToTraceFormat;
class TracedValue;
}
}
namespace cc {
class ResourcePool;
class ResourceProvider;
class ScopedResource;
class CC_EXPORT OneCopyRasterWorkerPool : public RasterWorkerPool,
public Rasterizer,
public RasterizerTaskClient {
public:
virtual ~OneCopyRasterWorkerPool();
static scoped_ptr<RasterWorkerPool> Create(
base::SequencedTaskRunner* task_runner,
TaskGraphRunner* task_graph_runner,
ContextProvider* context_provider,
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 scoped_ptr<RasterBuffer> AcquireBufferForRaster(
const Resource* resource) override;
virtual void ReleaseBufferForRaster(scoped_ptr<RasterBuffer> buffer) override;
protected:
OneCopyRasterWorkerPool(base::SequencedTaskRunner* task_runner,
TaskGraphRunner* task_graph_runner,
ContextProvider* context_provider,
ResourceProvider* resource_provider,
ResourcePool* resource_pool);
private:
void OnRasterFinished(TaskSet task_set);
scoped_refptr<base::debug::ConvertableToTraceFormat> StateAsValue() const;
void StagingStateAsValueInto(base::debug::TracedValue* staging_state) const;
scoped_refptr<base::SequencedTaskRunner> task_runner_;
TaskGraphRunner* task_graph_runner_;
const NamespaceToken namespace_token_;
RasterizerClient* client_;
ContextProvider* context_provider_;
ResourceProvider* resource_provider_;
ResourcePool* resource_pool_;
TaskSetCollection raster_pending_;
scoped_refptr<RasterizerTask> raster_finished_tasks_[kNumberOfTaskSets];
// Task graph used when scheduling tasks and vector used to gather
// completed tasks.
TaskGraph graph_;
Task::Vector completed_tasks_;
base::WeakPtrFactory<OneCopyRasterWorkerPool>
raster_finished_weak_ptr_factory_;
DISALLOW_COPY_AND_ASSIGN(OneCopyRasterWorkerPool);
};
} // namespace cc
#endif // CC_RESOURCES_ONE_COPY_RASTER_WORKER_POOL_H_
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