chromium/gpu/command_buffer/client/mapped_memory.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.

#ifdef UNSAFE_BUFFERS_BUILD
// TODO(crbug.com/40285824): Remove this and convert code to safer constructs.
#pragma allow_unsafe_buffers
#endif

#ifndef GPU_COMMAND_BUFFER_CLIENT_MAPPED_MEMORY_H_
#define GPU_COMMAND_BUFFER_CLIENT_MAPPED_MEMORY_H_

#include <stddef.h>
#include <stdint.h>

#include <bit>
#include <memory>

#include "base/functional/bind.h"
#include "base/memory/raw_ptr.h"
#include "base/trace_event/memory_dump_provider.h"
#include "gpu/command_buffer/client/fenced_allocator.h"
#include "gpu/command_buffer/common/buffer.h"
#include "gpu/command_buffer/common/constants.h"
#include "gpu/gpu_export.h"

namespace gpu {

class CommandBufferHelper;

// Manages a shared memory segment.
class GPU_EXPORT MemoryChunk { … };

// Manages MemoryChunks.
class GPU_EXPORT MappedMemoryManager { … };

// A class that will manage the lifetime of a mapped memory allocation
class GPU_EXPORT ScopedMappedMemoryPtr { … };

}  // namespace gpu

#endif  // GPU_COMMAND_BUFFER_CLIENT_MAPPED_MEMORY_H_