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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_ONE_COPY_TILE_TASK_WORKER_POOL_H_
#define CC_RASTER_ONE_COPY_TILE_TASK_WORKER_POOL_H_
#include <set>
#include "base/memory/weak_ptr.h"
#include "base/synchronization/lock.h"
#include "base/time/time.h"
#include "base/trace_event/memory_dump_provider.h"
#include "base/values.h"
#include "cc/base/scoped_ptr_deque.h"
#include "cc/output/context_provider.h"
#include "cc/raster/tile_task_runner.h"
#include "cc/raster/tile_task_worker_pool.h"
#include "cc/resources/resource_provider.h"
namespace base {
namespace trace_event {
class ConvertableToTraceFormat;
class TracedValue;
}
}
namespace gpu {
namespace gles2 {
class GLES2Interface;
}
}
namespace cc {
class ResourcePool;
class CC_EXPORT OneCopyTileTaskWorkerPool
: public TileTaskWorkerPool,
public TileTaskRunner,
public TileTaskClient,
public base::trace_event::MemoryDumpProvider {
public:
~OneCopyTileTaskWorkerPool() override;
static scoped_ptr<TileTaskWorkerPool> Create(
base::SequencedTaskRunner* task_runner,
TaskGraphRunner* task_graph_runner,
ContextProvider* context_provider,
ResourceProvider* resource_provider,
int max_copy_texture_chromium_size,
bool use_persistent_gpu_memory_buffers,
int max_staging_buffer_usage_in_bytes);
// Overridden from TileTaskWorkerPool:
TileTaskRunner* AsTileTaskRunner() override;
// Overridden from TileTaskRunner:
void SetClient(TileTaskRunnerClient* client) override;
void Shutdown() override;
void ScheduleTasks(TileTaskQueue* queue) override;
void CheckForCompletedTasks() override;
ResourceFormat GetResourceFormat() const override;
bool GetResourceRequiresSwizzle() 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;
// Overridden from base::trace_event::MemoryDumpProvider:
bool OnMemoryDump(const base::trace_event::MemoryDumpArgs& args,
base::trace_event::ProcessMemoryDump* pmd) override;
// Playback raster source and copy result into |resource|.
void PlaybackAndCopyOnWorkerThread(
const Resource* resource,
const ResourceProvider::ScopedWriteLockGL* resource_lock,
const RasterSource* raster_source,
const gfx::Rect& raster_full_rect,
const gfx::Rect& raster_dirty_rect,
float scale,
bool include_images,
uint64_t resource_content_id,
uint64_t previous_content_id);
protected:
OneCopyTileTaskWorkerPool(base::SequencedTaskRunner* task_runner,
TaskGraphRunner* task_graph_runner,
ResourceProvider* resource_provider,
int max_copy_texture_chromium_size,
bool use_persistent_gpu_memory_buffers,
int max_staging_buffer_usage_in_bytes);
private:
struct StagingBuffer {
explicit StagingBuffer(const gfx::Size& size);
~StagingBuffer();
void DestroyGLResources(gpu::gles2::GLES2Interface* gl);
void OnMemoryDump(base::trace_event::ProcessMemoryDump* pmd,
ResourceFormat format,
bool is_free) const;
const gfx::Size size;
scoped_ptr<gfx::GpuMemoryBuffer> gpu_memory_buffer;
base::TimeTicks last_usage;
unsigned texture_id;
unsigned image_id;
unsigned query_id;
uint64_t content_id;
};
void AddStagingBuffer(const StagingBuffer* staging_buffer);
void RemoveStagingBuffer(const StagingBuffer* staging_buffer);
void MarkStagingBufferAsFree(const StagingBuffer* staging_buffer);
void MarkStagingBufferAsBusy(const StagingBuffer* staging_buffer);
scoped_ptr<StagingBuffer> AcquireStagingBuffer(const Resource* resource,
uint64_t previous_content_id);
base::TimeTicks GetUsageTimeForLRUBuffer();
void ScheduleReduceMemoryUsage();
void ReduceMemoryUsage();
void ReleaseBuffersNotUsedSince(base::TimeTicks time);
void OnTaskSetFinished(TaskSet task_set);
scoped_refptr<base::trace_event::ConvertableToTraceFormat> StateAsValue()
const;
void StagingStateAsValueInto(
base::trace_event::TracedValue* staging_state) const;
scoped_refptr<base::SequencedTaskRunner> task_runner_;
TaskGraphRunner* task_graph_runner_;
const NamespaceToken namespace_token_;
TileTaskRunnerClient* client_;
ResourceProvider* const resource_provider_;
const int max_bytes_per_copy_operation_;
const bool use_persistent_gpu_memory_buffers_;
TaskSetCollection tasks_pending_;
scoped_refptr<TileTask> task_set_finished_tasks_[kNumberOfTaskSets];
// Task graph used when scheduling tasks and vector used to gather
// completed tasks.
TaskGraph graph_;
Task::Vector completed_tasks_;
mutable base::Lock lock_;
// |lock_| must be acquired when accessing the following members.
using StagingBufferSet = std::set<const StagingBuffer*>;
StagingBufferSet buffers_;
using StagingBufferDeque = ScopedPtrDeque<StagingBuffer>;
StagingBufferDeque free_buffers_;
StagingBufferDeque busy_buffers_;
int bytes_scheduled_since_last_flush_;
const int max_staging_buffer_usage_in_bytes_;
int staging_buffer_usage_in_bytes_;
int free_staging_buffer_usage_in_bytes_;
const base::TimeDelta staging_buffer_expiration_delay_;
bool reduce_memory_usage_pending_;
base::Closure reduce_memory_usage_callback_;
base::WeakPtrFactory<OneCopyTileTaskWorkerPool> weak_ptr_factory_;
// "raster finished" tasks need their own factory as they need to be
// canceled when ScheduleTasks() is called.
base::WeakPtrFactory<OneCopyTileTaskWorkerPool>
task_set_finished_weak_ptr_factory_;
DISALLOW_COPY_AND_ASSIGN(OneCopyTileTaskWorkerPool);
};
} // namespace cc
#endif // CC_RASTER_ONE_COPY_TILE_TASK_WORKER_POOL_H_
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