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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_RASTER_BITMAP_TILE_TASK_WORKER_POOL_H_
#define CC_RASTER_BITMAP_TILE_TASK_WORKER_POOL_H_
#include <stdint.h>
#include "base/macros.h"
#include "base/values.h"
#include "cc/raster/tile_task_runner.h"
#include "cc/raster/tile_task_worker_pool.h"
namespace base {
namespace trace_event {
class ConvertableToTraceFormat;
}
}
namespace cc {
class ResourceProvider;
class CC_EXPORT BitmapTileTaskWorkerPool : public TileTaskWorkerPool,
public TileTaskRunner,
public TileTaskClient {
public:
~BitmapTileTaskWorkerPool() override;
static scoped_ptr<TileTaskWorkerPool> Create(
base::SequencedTaskRunner* task_runner,
TaskGraphRunner* task_graph_runner,
ResourceProvider* resource_provider);
// Overridden from TileTaskWorkerPool:
TileTaskRunner* AsTileTaskRunner() override;
// Overridden from TileTaskRunner:
void Shutdown() override;
void ScheduleTasks(TaskGraph* graph) override;
void CheckForCompletedTasks() override;
ResourceFormat GetResourceFormat(bool must_support_alpha) const override;
bool GetResourceRequiresSwizzle(bool must_support_alpha) const override;
// Overridden from TileTaskClient:
scoped_ptr<RasterBuffer> AcquireBufferForRaster(
const Resource* resource,
uint64_t resource_content_id,
uint64_t previous_content_id) override;
void ReleaseBufferForRaster(scoped_ptr<RasterBuffer> buffer) override;
protected:
BitmapTileTaskWorkerPool(base::SequencedTaskRunner* task_runner,
TaskGraphRunner* task_graph_runner,
ResourceProvider* resource_provider);
private:
scoped_ptr<base::trace_event::ConvertableToTraceFormat> StateAsValue() const;
scoped_refptr<base::SequencedTaskRunner> task_runner_;
TaskGraphRunner* task_graph_runner_;
const NamespaceToken namespace_token_;
ResourceProvider* resource_provider_;
Task::Vector completed_tasks_;
DISALLOW_COPY_AND_ASSIGN(BitmapTileTaskWorkerPool);
};
} // namespace cc
#endif // CC_RASTER_BITMAP_TILE_TASK_WORKER_POOL_H_
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