chromium/third_party/angle/src/libANGLE/renderer/vulkan/MemoryTracking.h

//
// Copyright 2023 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
// MemoryTracking.h:
//    Defines the classes used for memory tracking in ANGLE.
//

#ifndef LIBANGLE_RENDERER_VULKAN_MEMORYTRACKING_H_
#define LIBANGLE_RENDERER_VULKAN_MEMORYTRACKING_H_

#include <array>
#include <atomic>

#include "common/SimpleMutex.h"
#include "common/angleutils.h"
#include "common/backtrace_utils.h"
#include "common/hash_containers.h"
#include "common/vulkan/vk_headers.h"

namespace rx
{
namespace vk
{
class Renderer;

// Used to designate memory allocation type for tracking purposes.
enum class MemoryAllocationType
{ … };

constexpr const char *kMemoryAllocationTypeMessage[] = …;
constexpr const uint32_t kMemoryAllocationTypeCount = …;

// Used to select the severity for memory allocation logs.
enum class MemoryLogSeverity
{ … };

// Used to store memory allocation information for tracking purposes.
struct MemoryAllocationInfo
{ … };

class MemoryAllocInfoMapKey
{ … };

// Process GPU memory reports
class MemoryReport final : angle::NonCopyable
{ … };
}  // namespace vk
}  // namespace rx

// Introduce std::hash for MemoryAllocInfoMapKey.
namespace std
{
template <>
struct hash<rx::vk::MemoryAllocInfoMapKey>
{ … };
}  // namespace std

namespace rx
{

// Memory tracker for allocations and deallocations, which is used in vk::Renderer.
class MemoryAllocationTracker : angle::NonCopyable
{ … };
}  // namespace rx

#endif  // LIBANGLE_RENDERER_VULKAN_MEMORYTRACKING_H_