chromium/gpu/command_buffer/service/memory_tracking.h

// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef GPU_COMMAND_BUFFER_SERVICE_MEMORY_TRACKING_H_
#define GPU_COMMAND_BUFFER_SERVICE_MEMORY_TRACKING_H_

#include <stdint.h>

#include "base/memory/raw_ptr.h"
#include "base/memory/scoped_refptr.h"
#include "base/memory/weak_ptr.h"
#include "base/synchronization/lock.h"
#include "base/task/sequenced_task_runner.h"
#include "gpu/command_buffer/common/command_buffer_id.h"
#include "gpu/gpu_export.h"
#include "gpu/ipc/common/gpu_peak_memory.h"

namespace base {
class SequencedTaskRunner;
}  // namespace base

namespace gpu {

// A MemoryTracker is used to propagate per-ContextGroup memory usage
// statistics to the global GpuMemoryManager.
class GPU_EXPORT MemoryTracker { … };

// A MemoryTypeTracker tracks the use of a particular type of memory (buffer,
// texture, or renderbuffer) and forward the result to a specified
// MemoryTracker. MemoryTypeTracker is thread-safe, but it must not outlive the
// MemoryTracker which will be notified on the sequence the MemoryTypeTracker
// was created on (if base::SequencedTaskRunner::HasCurrentDefault()), or on the
// task runner specified (for testing).
class GPU_EXPORT MemoryTypeTracker { … };

}  // namespace gpu

#endif  // GPU_COMMAND_BUFFER_SERVICE_MEMORY_TRACKING_H_