include/vulkan/vulkan_shared.hpp

// Copyright 2015-2023 The Khronos Group Inc.
//
// SPDX-License-Identifier: Apache-2.0 OR MIT
//

// This header is generated from the Khronos Vulkan XML API Registry.

#ifndef VULKAN_SHARED_HPP
#define VULKAN_SHARED_HPP

#include <atomic>  // std::atomic_size_t
#include <vulkan/vulkan.hpp>

namespace VULKAN_HPP_NAMESPACE
{
#if !defined( VULKAN_HPP_NO_SMART_HANDLE )

  template <typename HandleType>
  class SharedHandleTraits;

  class NoDestructor
  {
  };

  template <typename HandleType, typename = void>
  struct HasDestructorType : std::false_type
  {
  };

  template <typename HandleType>
  struct HasDestructorType<HandleType, decltype( (void)typename SharedHandleTraits<HandleType>::DestructorType() )> : std::true_type
  {
  };

  template <typename HandleType, typename Enable = void>
  struct GetDestructorType
  {
    using type = NoDestructor;
  };

  template <typename HandleType>
  struct GetDestructorType<HandleType, typename std::enable_if<HasDestructorType<HandleType>::value>::type>
  {
    using type = typename SharedHandleTraits<HandleType>::DestructorType;
  };

  template <class HandleType>
  using DestructorTypeOf = typename GetDestructorType<HandleType>::type;

  template <class HandleType>
  struct HasDestructor : std::integral_constant<bool, !std::is_same<DestructorTypeOf<HandleType>, NoDestructor>::value>
  {
  };

  //=====================================================================================================================

  template <typename HandleType>
  class SharedHandle;

  template <typename DestructorType, typename Deleter>
  struct SharedHeader
  {
    SharedHeader( SharedHandle<DestructorType> parent, Deleter deleter = Deleter() ) VULKAN_HPP_NOEXCEPT
      : parent( std::move( parent ) )
      , deleter( std::move( deleter ) )
    {
    }

    SharedHandle<DestructorType> parent;
    Deleter                      deleter;
  };

  template <typename Deleter>
  struct SharedHeader<NoDestructor, Deleter>
  {
    SharedHeader( Deleter deleter = Deleter() ) VULKAN_HPP_NOEXCEPT : deleter( std::move( deleter ) ) {}

    Deleter deleter;
  };

  //=====================================================================================================================

  template <typename HeaderType>
  class ReferenceCounter
  {
  public:
    template <typename... Args>
    ReferenceCounter( Args &&... control_args ) : m_header( std::forward<Args>( control_args )... )
    {
    }
    ReferenceCounter( const ReferenceCounter & ) = delete;
    ReferenceCounter & operator=( const ReferenceCounter & ) = delete;

  public:
    size_t addRef() VULKAN_HPP_NOEXCEPT
    {
      // Relaxed memory order is sufficient since this does not impose any ordering on other operations
      return m_ref_cnt.fetch_add( 1, std::memory_order_relaxed );
    }

    size_t release() VULKAN_HPP_NOEXCEPT
    {
      // A release memory order to ensure that all releases are ordered
      return m_ref_cnt.fetch_sub( 1, std::memory_order_release );
    }

  public:
    std::atomic_size_t m_ref_cnt{ 1 };
    HeaderType         m_header{};
  };

  //=====================================================================================================================

  template <typename HandleType, typename HeaderType, typename ForwardType = SharedHandle<HandleType>>
  class SharedHandleBase
  {
  public:
    SharedHandleBase() = default;

    template <typename... Args>
    SharedHandleBase( HandleType handle, Args &&... control_args )
      : m_control( new ReferenceCounter<HeaderType>( std::forward<Args>( control_args )... ) ), m_handle( handle )
    {
    }

    SharedHandleBase( const SharedHandleBase & o ) VULKAN_HPP_NOEXCEPT
    {
      o.addRef();
      m_handle  = o.m_handle;
      m_control = o.m_control;
    }

    SharedHandleBase( SharedHandleBase && o ) VULKAN_HPP_NOEXCEPT
      : m_control( o.m_control )
      , m_handle( o.m_handle )
    {
      o.m_handle  = nullptr;
      o.m_control = nullptr;
    }

    SharedHandleBase & operator=( const SharedHandleBase & o ) VULKAN_HPP_NOEXCEPT
    {
      SharedHandleBase( o ).swap( *this );
      return *this;
    }

    SharedHandleBase & operator=( SharedHandleBase && o ) VULKAN_HPP_NOEXCEPT
    {
      SharedHandleBase( std::move( o ) ).swap( *this );
      return *this;
    }

    ~SharedHandleBase()
    {
      // only this function owns the last reference to the control block
      // the same principle is used in the default deleter of std::shared_ptr
      if ( m_control && ( m_control->release() == 1 ) )
      {
        // noop in x86, but does thread synchronization in ARM
        // it is required to ensure that last thread is getting to destroy the control block
        // by ordering all atomic operations before this fence
        std::atomic_thread_fence( std::memory_order_acquire );
        ForwardType::internalDestroy( getHeader(), m_handle );
        delete m_control;
      }
    }

  public:
    HandleType get() const VULKAN_HPP_NOEXCEPT
    {
      return m_handle;
    }

    HandleType operator*() const VULKAN_HPP_NOEXCEPT
    {
      return m_handle;
    }

    explicit operator bool() const VULKAN_HPP_NOEXCEPT
    {
      return bool( m_handle );
    }

    const HandleType * operator->() const VULKAN_HPP_NOEXCEPT
    {
      return &m_handle;
    }

    HandleType * operator->() VULKAN_HPP_NOEXCEPT
    {
      return &m_handle;
    }

    void reset() VULKAN_HPP_NOEXCEPT
    {
      SharedHandleBase().swap( *this );
    }

    void swap( SharedHandleBase & o ) VULKAN_HPP_NOEXCEPT
    {
      std::swap( m_handle, o.m_handle );
      std::swap( m_control, o.m_control );
    }

    template <typename T = HandleType>
    typename std::enable_if<HasDestructor<T>::value, const SharedHandle<DestructorTypeOf<HandleType>> &>::type getDestructorType() const VULKAN_HPP_NOEXCEPT
    {
      return getHeader().parent;
    }

  protected:
    template <typename T = HandleType>
    static typename std::enable_if<!HasDestructor<T>::value, void>::type internalDestroy( const HeaderType & control, HandleType handle ) VULKAN_HPP_NOEXCEPT
    {
      control.deleter.destroy( handle );
    }

    template <typename T = HandleType>
    static typename std::enable_if<HasDestructor<T>::value, void>::type internalDestroy( const HeaderType & control, HandleType handle ) VULKAN_HPP_NOEXCEPT
    {
      control.deleter.destroy( control.parent.get(), handle );
    }

    const HeaderType & getHeader() const VULKAN_HPP_NOEXCEPT
    {
      return m_control->m_header;
    }

  private:
    void addRef() const VULKAN_HPP_NOEXCEPT
    {
      if ( m_control )
        m_control->addRef();
    }

  protected:
    ReferenceCounter<HeaderType> * m_control = nullptr;
    HandleType                     m_handle{};
  };

  template <typename HandleType>
  class SharedHandle : public SharedHandleBase<HandleType, SharedHeader<DestructorTypeOf<HandleType>, typename SharedHandleTraits<HandleType>::deleter>>
  {
  private:
    using BaseType    = SharedHandleBase<HandleType, SharedHeader<DestructorTypeOf<HandleType>, typename SharedHandleTraits<HandleType>::deleter>>;
    using DeleterType = typename SharedHandleTraits<HandleType>::deleter;
    friend BaseType;

  public:
    SharedHandle() = default;

    template <typename T = HandleType, typename = typename std::enable_if<HasDestructor<T>::value>::type>
    explicit SharedHandle( HandleType handle, SharedHandle<DestructorTypeOf<HandleType>> parent, DeleterType deleter = DeleterType() ) VULKAN_HPP_NOEXCEPT
      : BaseType( handle, std::move( parent ), std::move( deleter ) )
    {
    }

    template <typename T = HandleType, typename = typename std::enable_if<!HasDestructor<T>::value>::type>
    explicit SharedHandle( HandleType handle, DeleterType deleter = DeleterType() ) VULKAN_HPP_NOEXCEPT : BaseType( handle, std::move( deleter ) )
    {
    }

  protected:
    using BaseType::internalDestroy;
  };

  template <typename HandleType>
  class SharedHandleTraits;

// Silence the function cast warnings.
#  if defined( __GNUC__ ) && !defined( __clang__ ) && !defined( __INTEL_COMPILER )
#    pragma GCC diagnostic push
#    pragma GCC diagnostic ignored "-Wcast-function-type"
#  endif

  template <typename HandleType>
  class ObjectDestroyShared
  {
  public:
    using DestructorType = typename SharedHandleTraits<HandleType>::DestructorType;

    template <class Dispatcher>
    using DestroyFunctionPointerType =
      typename std::conditional<HasDestructor<HandleType>::value,
                                void ( DestructorType::* )( HandleType, const AllocationCallbacks *, const Dispatcher & ) const,
                                void ( HandleType::* )( const AllocationCallbacks *, const Dispatcher & ) const>::type;

    using SelectorType = typename std::conditional<HasDestructor<HandleType>::value, DestructorType, HandleType>::type;

    template <typename Dispatcher = VULKAN_HPP_DEFAULT_DISPATCHER_TYPE>
    ObjectDestroyShared( Optional<const AllocationCallbacks> allocationCallbacks VULKAN_HPP_DEFAULT_ARGUMENT_NULLPTR_ASSIGNMENT,
                         const Dispatcher & dispatch                             VULKAN_HPP_DEFAULT_DISPATCHER_ASSIGNMENT )
      : m_destroy( reinterpret_cast<decltype( m_destroy )>( static_cast<DestroyFunctionPointerType<Dispatcher>>( &SelectorType::destroy ) ) )
      , m_dispatch( &dispatch )
      , m_allocationCallbacks( allocationCallbacks )
    {
    }

  public:
    template <typename T = HandleType>
    typename std::enable_if<HasDestructor<T>::value, void>::type destroy( DestructorType parent, HandleType handle ) const VULKAN_HPP_NOEXCEPT
    {
      VULKAN_HPP_ASSERT( m_destroy && m_dispatch );
      ( parent.*m_destroy )( handle, m_allocationCallbacks, *m_dispatch );
    }

    template <typename T = HandleType>
    typename std::enable_if<!HasDestructor<T>::value, void>::type destroy( HandleType handle ) const VULKAN_HPP_NOEXCEPT
    {
      VULKAN_HPP_ASSERT( m_destroy && m_dispatch );
      ( handle.*m_destroy )( m_allocationCallbacks, *m_dispatch );
    }

  private:
    DestroyFunctionPointerType<DispatchLoaderBase> m_destroy             = nullptr;
    const DispatchLoaderBase *                     m_dispatch            = nullptr;
    Optional<const AllocationCallbacks>            m_allocationCallbacks = nullptr;
  };

  template <typename HandleType>
  class ObjectFreeShared
  {
  public:
    using DestructorType = typename SharedHandleTraits<HandleType>::DestructorType;

    template <class Dispatcher>
    using DestroyFunctionPointerType = void ( DestructorType::* )( HandleType, const AllocationCallbacks *, const Dispatcher & ) const;

    template <class Dispatcher = VULKAN_HPP_DEFAULT_DISPATCHER_TYPE>
    ObjectFreeShared( Optional<const AllocationCallbacks> allocationCallbacks VULKAN_HPP_DEFAULT_ARGUMENT_NULLPTR_ASSIGNMENT,
                      const Dispatcher & dispatch                             VULKAN_HPP_DEFAULT_DISPATCHER_ASSIGNMENT )
      : m_destroy( reinterpret_cast<decltype( m_destroy )>( static_cast<DestroyFunctionPointerType<Dispatcher>>( &DestructorType::free ) ) )
      , m_dispatch( &dispatch )
      , m_allocationCallbacks( allocationCallbacks )
    {
    }

  public:
    void destroy( DestructorType parent, HandleType handle ) const VULKAN_HPP_NOEXCEPT
    {
      VULKAN_HPP_ASSERT( m_destroy && m_dispatch );
      ( parent.*m_destroy )( handle, m_allocationCallbacks, *m_dispatch );
    }

  private:
    DestroyFunctionPointerType<DispatchLoaderBase> m_destroy             = nullptr;
    const DispatchLoaderBase *                     m_dispatch            = nullptr;
    Optional<const AllocationCallbacks>            m_allocationCallbacks = nullptr;
  };

  template <typename HandleType>
  class ObjectReleaseShared
  {
  public:
    using DestructorType = typename SharedHandleTraits<HandleType>::DestructorType;

    template <class Dispatcher>
    using DestroyFunctionPointerType = void ( DestructorType::* )( HandleType, const Dispatcher & ) const;

    template <class Dispatcher = VULKAN_HPP_DEFAULT_DISPATCHER_TYPE>
    ObjectReleaseShared( const Dispatcher & dispatch VULKAN_HPP_DEFAULT_DISPATCHER_ASSIGNMENT )
      : m_destroy( reinterpret_cast<decltype( m_destroy )>( static_cast<DestroyFunctionPointerType<Dispatcher>>( &DestructorType::release ) ) )
      , m_dispatch( &dispatch )
    {
    }

  public:
    void destroy( DestructorType parent, HandleType handle ) const VULKAN_HPP_NOEXCEPT
    {
      VULKAN_HPP_ASSERT( m_destroy && m_dispatch );
      ( parent.*m_destroy )( handle, *m_dispatch );
    }

  private:
    DestroyFunctionPointerType<DispatchLoaderBase> m_destroy  = nullptr;
    const DispatchLoaderBase *                     m_dispatch = nullptr;
  };

  template <typename HandleType, typename PoolType>
  class PoolFreeShared
  {
  public:
    using DestructorType = typename SharedHandleTraits<HandleType>::DestructorType;

    template <class Dispatcher>
    using ReturnType = decltype( std::declval<DestructorType>().free( PoolType(), 0u, nullptr, Dispatcher() ) );

    template <class Dispatcher>
    using DestroyFunctionPointerType = ReturnType<Dispatcher> ( DestructorType::* )( PoolType, uint32_t, const HandleType *, const Dispatcher & ) const;

    PoolFreeShared() = default;

    template <class Dispatcher = VULKAN_HPP_DEFAULT_DISPATCHER_TYPE>
    PoolFreeShared( SharedHandle<PoolType> pool, const Dispatcher & dispatch VULKAN_HPP_DEFAULT_DISPATCHER_ASSIGNMENT )
      : m_destroy( reinterpret_cast<decltype( m_destroy )>( static_cast<DestroyFunctionPointerType<Dispatcher>>( &DestructorType::free ) ) )
      , m_dispatch( &dispatch )
      , m_pool( std::move( pool ) )
    {
    }

  public:
    void destroy( DestructorType parent, HandleType handle ) const VULKAN_HPP_NOEXCEPT
    {
      VULKAN_HPP_ASSERT( m_destroy && m_dispatch );
      ( parent.*m_destroy )( m_pool.get(), 1u, &handle, *m_dispatch );
    }

  private:
    DestroyFunctionPointerType<DispatchLoaderBase> m_destroy  = nullptr;
    const DispatchLoaderBase *                     m_dispatch = nullptr;
    SharedHandle<PoolType>                         m_pool{};
  };

#  if defined( __GNUC__ ) && !defined( __clang__ ) && !defined( __INTEL_COMPILER )
#    pragma GCC diagnostic pop
#  endif

  //======================
  //=== SHARED HANDLEs ===
  //======================

  //=== VK_VERSION_1_0 ===
  template <>
  class SharedHandleTraits<Instance>
  {
  public:
    using DestructorType = NoDestructor;
    using deleter        = ObjectDestroyShared<Instance>;
  };
  using SharedInstance = SharedHandle<Instance>;
  template <>
  class SharedHandleTraits<Device>
  {
  public:
    using DestructorType = NoDestructor;
    using deleter        = ObjectDestroyShared<Device>;
  };
  using SharedDevice = SharedHandle<Device>;
  template <>
  class SharedHandleTraits<DeviceMemory>
  {
  public:
    using DestructorType = Device;
    using deleter        = ObjectFreeShared<DeviceMemory>;
  };
  using SharedDeviceMemory = SharedHandle<DeviceMemory>;
  template <>
  class SharedHandleTraits<Fence>
  {
  public:
    using DestructorType = Device;
    using deleter        = ObjectDestroyShared<Fence>;
  };
  using SharedFence = SharedHandle<Fence>;
  template <>
  class SharedHandleTraits<Semaphore>
  {
  public:
    using DestructorType = Device;
    using deleter        = ObjectDestroyShared<Semaphore>;
  };
  using SharedSemaphore = SharedHandle<Semaphore>;
  template <>
  class SharedHandleTraits<Event>
  {
  public:
    using DestructorType = Device;
    using deleter        = ObjectDestroyShared<Event>;
  };
  using SharedEvent = SharedHandle<Event>;
  template <>
  class SharedHandleTraits<QueryPool>
  {
  public:
    using DestructorType = Device;
    using deleter        = ObjectDestroyShared<QueryPool>;
  };
  using SharedQueryPool = SharedHandle<QueryPool>;
  template <>
  class SharedHandleTraits<Buffer>
  {
  public:
    using DestructorType = Device;
    using deleter        = ObjectDestroyShared<Buffer>;
  };
  using SharedBuffer = SharedHandle<Buffer>;
  template <>
  class SharedHandleTraits<BufferView>
  {
  public:
    using DestructorType = Device;
    using deleter        = ObjectDestroyShared<BufferView>;
  };
  using SharedBufferView = SharedHandle<BufferView>;
  template <>
  class SharedHandleTraits<Image>
  {
  public:
    using DestructorType = Device;
    using deleter        = ObjectDestroyShared<Image>;
  };
  using SharedImage = SharedHandle<Image>;
  template <>
  class SharedHandleTraits<ImageView>
  {
  public:
    using DestructorType = Device;
    using deleter        = ObjectDestroyShared<ImageView>;
  };
  using SharedImageView = SharedHandle<ImageView>;
  template <>
  class SharedHandleTraits<ShaderModule>
  {
  public:
    using DestructorType = Device;
    using deleter        = ObjectDestroyShared<ShaderModule>;
  };
  using SharedShaderModule = SharedHandle<ShaderModule>;
  template <>
  class SharedHandleTraits<PipelineCache>
  {
  public:
    using DestructorType = Device;
    using deleter        = ObjectDestroyShared<PipelineCache>;
  };
  using SharedPipelineCache = SharedHandle<PipelineCache>;
  template <>
  class SharedHandleTraits<Pipeline>
  {
  public:
    using DestructorType = Device;
    using deleter        = ObjectDestroyShared<Pipeline>;
  };
  using SharedPipeline = SharedHandle<Pipeline>;
  template <>
  class SharedHandleTraits<PipelineLayout>
  {
  public:
    using DestructorType = Device;
    using deleter        = ObjectDestroyShared<PipelineLayout>;
  };
  using SharedPipelineLayout = SharedHandle<PipelineLayout>;
  template <>
  class SharedHandleTraits<Sampler>
  {
  public:
    using DestructorType = Device;
    using deleter        = ObjectDestroyShared<Sampler>;
  };
  using SharedSampler = SharedHandle<Sampler>;
  template <>
  class SharedHandleTraits<DescriptorPool>
  {
  public:
    using DestructorType = Device;
    using deleter        = ObjectDestroyShared<DescriptorPool>;
  };
  using SharedDescriptorPool = SharedHandle<DescriptorPool>;
  template <>
  class SharedHandleTraits<DescriptorSet>
  {
  public:
    using DestructorType = Device;
    using deleter        = PoolFreeShared<DescriptorSet, DescriptorPool>;
  };
  using SharedDescriptorSet = SharedHandle<DescriptorSet>;
  template <>
  class SharedHandleTraits<DescriptorSetLayout>
  {
  public:
    using DestructorType = Device;
    using deleter        = ObjectDestroyShared<DescriptorSetLayout>;
  };
  using SharedDescriptorSetLayout = SharedHandle<DescriptorSetLayout>;
  template <>
  class SharedHandleTraits<Framebuffer>
  {
  public:
    using DestructorType = Device;
    using deleter        = ObjectDestroyShared<Framebuffer>;
  };
  using SharedFramebuffer = SharedHandle<Framebuffer>;
  template <>
  class SharedHandleTraits<RenderPass>
  {
  public:
    using DestructorType = Device;
    using deleter        = ObjectDestroyShared<RenderPass>;
  };
  using SharedRenderPass = SharedHandle<RenderPass>;
  template <>
  class SharedHandleTraits<CommandPool>
  {
  public:
    using DestructorType = Device;
    using deleter        = ObjectDestroyShared<CommandPool>;
  };
  using SharedCommandPool = SharedHandle<CommandPool>;
  template <>
  class SharedHandleTraits<CommandBuffer>
  {
  public:
    using DestructorType = Device;
    using deleter        = PoolFreeShared<CommandBuffer, CommandPool>;
  };
  using SharedCommandBuffer = SharedHandle<CommandBuffer>;

  //=== VK_VERSION_1_1 ===
  template <>
  class SharedHandleTraits<SamplerYcbcrConversion>
  {
  public:
    using DestructorType = Device;
    using deleter        = ObjectDestroyShared<SamplerYcbcrConversion>;
  };
  using SharedSamplerYcbcrConversion    = SharedHandle<SamplerYcbcrConversion>;
  using SharedSamplerYcbcrConversionKHR = SharedHandle<SamplerYcbcrConversion>;
  template <>
  class SharedHandleTraits<DescriptorUpdateTemplate>
  {
  public:
    using DestructorType = Device;
    using deleter        = ObjectDestroyShared<DescriptorUpdateTemplate>;
  };
  using SharedDescriptorUpdateTemplate    = SharedHandle<DescriptorUpdateTemplate>;
  using SharedDescriptorUpdateTemplateKHR = SharedHandle<DescriptorUpdateTemplate>;
  //=== VK_VERSION_1_3 ===
  template <>
  class SharedHandleTraits<PrivateDataSlot>
  {
  public:
    using DestructorType = Device;
    using deleter        = ObjectDestroyShared<PrivateDataSlot>;
  };
  using SharedPrivateDataSlot    = SharedHandle<PrivateDataSlot>;
  using SharedPrivateDataSlotEXT = SharedHandle<PrivateDataSlot>;
  //=== VK_KHR_surface ===
  template <>
  class SharedHandleTraits<SurfaceKHR>
  {
  public:
    using DestructorType = Instance;
    using deleter        = ObjectDestroyShared<SurfaceKHR>;
  };
  using SharedSurfaceKHR = SharedHandle<SurfaceKHR>;

  //=== VK_KHR_swapchain ===
  template <>
  class SharedHandleTraits<SwapchainKHR>
  {
  public:
    using DestructorType = Device;
    using deleter        = ObjectDestroyShared<SwapchainKHR>;
  };
  using SharedSwapchainKHR = SharedHandle<SwapchainKHR>;

  //=== VK_EXT_debug_report ===
  template <>
  class SharedHandleTraits<DebugReportCallbackEXT>
  {
  public:
    using DestructorType = Instance;
    using deleter        = ObjectDestroyShared<DebugReportCallbackEXT>;
  };
  using SharedDebugReportCallbackEXT = SharedHandle<DebugReportCallbackEXT>;

  //=== VK_KHR_video_queue ===
  template <>
  class SharedHandleTraits<VideoSessionKHR>
  {
  public:
    using DestructorType = Device;
    using deleter        = ObjectDestroyShared<VideoSessionKHR>;
  };
  using SharedVideoSessionKHR = SharedHandle<VideoSessionKHR>;
  template <>
  class SharedHandleTraits<VideoSessionParametersKHR>
  {
  public:
    using DestructorType = Device;
    using deleter        = ObjectDestroyShared<VideoSessionParametersKHR>;
  };
  using SharedVideoSessionParametersKHR = SharedHandle<VideoSessionParametersKHR>;

  //=== VK_NVX_binary_import ===
  template <>
  class SharedHandleTraits<CuModuleNVX>
  {
  public:
    using DestructorType = Device;
    using deleter        = ObjectDestroyShared<CuModuleNVX>;
  };
  using SharedCuModuleNVX = SharedHandle<CuModuleNVX>;
  template <>
  class SharedHandleTraits<CuFunctionNVX>
  {
  public:
    using DestructorType = Device;
    using deleter        = ObjectDestroyShared<CuFunctionNVX>;
  };
  using SharedCuFunctionNVX = SharedHandle<CuFunctionNVX>;

  //=== VK_EXT_debug_utils ===
  template <>
  class SharedHandleTraits<DebugUtilsMessengerEXT>
  {
  public:
    using DestructorType = Instance;
    using deleter        = ObjectDestroyShared<DebugUtilsMessengerEXT>;
  };
  using SharedDebugUtilsMessengerEXT = SharedHandle<DebugUtilsMessengerEXT>;

  //=== VK_KHR_acceleration_structure ===
  template <>
  class SharedHandleTraits<AccelerationStructureKHR>
  {
  public:
    using DestructorType = Device;
    using deleter        = ObjectDestroyShared<AccelerationStructureKHR>;
  };
  using SharedAccelerationStructureKHR = SharedHandle<AccelerationStructureKHR>;

  //=== VK_EXT_validation_cache ===
  template <>
  class SharedHandleTraits<ValidationCacheEXT>
  {
  public:
    using DestructorType = Device;
    using deleter        = ObjectDestroyShared<ValidationCacheEXT>;
  };
  using SharedValidationCacheEXT = SharedHandle<ValidationCacheEXT>;

  //=== VK_NV_ray_tracing ===
  template <>
  class SharedHandleTraits<AccelerationStructureNV>
  {
  public:
    using DestructorType = Device;
    using deleter        = ObjectDestroyShared<AccelerationStructureNV>;
  };
  using SharedAccelerationStructureNV = SharedHandle<AccelerationStructureNV>;

  //=== VK_KHR_deferred_host_operations ===
  template <>
  class SharedHandleTraits<DeferredOperationKHR>
  {
  public:
    using DestructorType = Device;
    using deleter        = ObjectDestroyShared<DeferredOperationKHR>;
  };
  using SharedDeferredOperationKHR = SharedHandle<DeferredOperationKHR>;

  //=== VK_NV_device_generated_commands ===
  template <>
  class SharedHandleTraits<IndirectCommandsLayoutNV>
  {
  public:
    using DestructorType = Device;
    using deleter        = ObjectDestroyShared<IndirectCommandsLayoutNV>;
  };
  using SharedIndirectCommandsLayoutNV = SharedHandle<IndirectCommandsLayoutNV>;

#  if defined( VK_USE_PLATFORM_FUCHSIA )
  //=== VK_FUCHSIA_buffer_collection ===
  template <>
  class SharedHandleTraits<BufferCollectionFUCHSIA>
  {
  public:
    using DestructorType = Device;
    using deleter        = ObjectDestroyShared<BufferCollectionFUCHSIA>;
  };
  using SharedBufferCollectionFUCHSIA = SharedHandle<BufferCollectionFUCHSIA>;
#  endif /*VK_USE_PLATFORM_FUCHSIA*/

  //=== VK_EXT_opacity_micromap ===
  template <>
  class SharedHandleTraits<MicromapEXT>
  {
  public:
    using DestructorType = Device;
    using deleter        = ObjectDestroyShared<MicromapEXT>;
  };
  using SharedMicromapEXT = SharedHandle<MicromapEXT>;

  //=== VK_NV_optical_flow ===
  template <>
  class SharedHandleTraits<OpticalFlowSessionNV>
  {
  public:
    using DestructorType = Device;
    using deleter        = ObjectDestroyShared<OpticalFlowSessionNV>;
  };
  using SharedOpticalFlowSessionNV = SharedHandle<OpticalFlowSessionNV>;

  //=== VK_EXT_shader_object ===
  template <>
  class SharedHandleTraits<ShaderEXT>
  {
  public:
    using DestructorType = Device;
    using deleter        = ObjectDestroyShared<ShaderEXT>;
  };
  using SharedShaderEXT = SharedHandle<ShaderEXT>;

  enum class SwapchainOwns
  {
    no,
    yes,
  };

  struct ImageHeader : SharedHeader<DestructorTypeOf<VULKAN_HPP_NAMESPACE::Image>, typename SharedHandleTraits<VULKAN_HPP_NAMESPACE::Image>::deleter>
  {
    ImageHeader(
      SharedHandle<DestructorTypeOf<VULKAN_HPP_NAMESPACE::Image>>       parent,
      typename SharedHandleTraits<VULKAN_HPP_NAMESPACE::Image>::deleter deleter        = typename SharedHandleTraits<VULKAN_HPP_NAMESPACE::Image>::deleter(),
      SwapchainOwns                                                     swapchainOwned = SwapchainOwns::no ) VULKAN_HPP_NOEXCEPT
      : SharedHeader<DestructorTypeOf<VULKAN_HPP_NAMESPACE::Image>, typename SharedHandleTraits<VULKAN_HPP_NAMESPACE::Image>::deleter>( std::move( parent ),
                                                                                                                                        std::move( deleter ) )
      , swapchainOwned( swapchainOwned )
    {
    }

    SwapchainOwns swapchainOwned = SwapchainOwns::no;
  };

  template <>
  class SharedHandle<VULKAN_HPP_NAMESPACE::Image> : public SharedHandleBase<VULKAN_HPP_NAMESPACE::Image, ImageHeader>
  {
    using BaseType    = SharedHandleBase<VULKAN_HPP_NAMESPACE::Image, ImageHeader>;
    using DeleterType = typename SharedHandleTraits<VULKAN_HPP_NAMESPACE::Image>::deleter;
    friend BaseType;

  public:
    SharedHandle() = default;

    explicit SharedHandle( VULKAN_HPP_NAMESPACE::Image                                 handle,
                           SharedHandle<DestructorTypeOf<VULKAN_HPP_NAMESPACE::Image>> parent,
                           SwapchainOwns                                               swapchain_owned = SwapchainOwns::no,
                           DeleterType                                                 deleter         = DeleterType() ) VULKAN_HPP_NOEXCEPT
      : BaseType( handle, std::move( parent ), std::move( deleter ), swapchain_owned )
    {
    }

  protected:
    static void internalDestroy( const ImageHeader & control, VULKAN_HPP_NAMESPACE::Image handle ) VULKAN_HPP_NOEXCEPT
    {
      if ( control.swapchainOwned == SwapchainOwns::no )
      {
        control.deleter.destroy( control.parent.get(), handle );
      }
    }
  };

  struct SwapchainHeader
  {
    SwapchainHeader( SharedHandle<VULKAN_HPP_NAMESPACE::SurfaceKHR>                           surface,
                     SharedHandle<DestructorTypeOf<VULKAN_HPP_NAMESPACE::SwapchainKHR>>       parent,
                     typename SharedHandleTraits<VULKAN_HPP_NAMESPACE::SwapchainKHR>::deleter deleter =
                       typename SharedHandleTraits<VULKAN_HPP_NAMESPACE::SwapchainKHR>::deleter() ) VULKAN_HPP_NOEXCEPT
      : surface( std::move( surface ) )
      , parent( std::move( parent ) )
      , deleter( std::move( deleter ) )
    {
    }

    SharedHandle<VULKAN_HPP_NAMESPACE::SurfaceKHR>                           surface{};
    SharedHandle<DestructorTypeOf<VULKAN_HPP_NAMESPACE::SwapchainKHR>>       parent{};
    typename SharedHandleTraits<VULKAN_HPP_NAMESPACE::SwapchainKHR>::deleter deleter{};
  };

  template <>
  class SharedHandle<VULKAN_HPP_NAMESPACE::SwapchainKHR> : public SharedHandleBase<VULKAN_HPP_NAMESPACE::SwapchainKHR, SwapchainHeader>
  {
    using BaseType    = SharedHandleBase<VULKAN_HPP_NAMESPACE::SwapchainKHR, SwapchainHeader>;
    using DeleterType = typename SharedHandleTraits<VULKAN_HPP_NAMESPACE::SwapchainKHR>::deleter;
    friend BaseType;

  public:
    SharedHandle() = default;

    explicit SharedHandle( VULKAN_HPP_NAMESPACE::SwapchainKHR                                 handle,
                           SharedHandle<DestructorTypeOf<VULKAN_HPP_NAMESPACE::SwapchainKHR>> parent,
                           SharedHandle<VULKAN_HPP_NAMESPACE::SurfaceKHR>                     surface,
                           DeleterType                                                        deleter = DeleterType() ) VULKAN_HPP_NOEXCEPT
      : BaseType( handle, std::move( surface ), std::move( parent ), std::move( deleter ) )
    {
    }

  public:
    const SharedHandle<VULKAN_HPP_NAMESPACE::SurfaceKHR> & getSurface() const VULKAN_HPP_NOEXCEPT
    {
      return getHeader().surface;
    }

  protected:
    using BaseType::internalDestroy;
  };

  template <typename HandleType, typename DestructorType>
  class SharedHandleBaseNoDestroy : public SharedHandleBase<HandleType, DestructorType>
  {
  public:
    using SharedHandleBase<HandleType, DestructorType>::SharedHandleBase;

    const DestructorType & getDestructorType() const VULKAN_HPP_NOEXCEPT
    {
      return SharedHandleBase<HandleType, DestructorType>::getHeader();
    }

  protected:
    static void internalDestroy( const DestructorType &, HandleType ) VULKAN_HPP_NOEXCEPT {}
  };

  //=== VK_VERSION_1_0 ===

  template <>
  class SharedHandle<PhysicalDevice> : public SharedHandleBaseNoDestroy<PhysicalDevice, SharedInstance>
  {
    friend SharedHandleBase<PhysicalDevice, SharedInstance>;

  public:
    SharedHandle() = default;
    explicit SharedHandle( PhysicalDevice handle, SharedInstance parent ) noexcept
      : SharedHandleBaseNoDestroy<PhysicalDevice, SharedInstance>( handle, std::move( parent ) )
    {
    }
  };
  using SharedPhysicalDevice = SharedHandle<PhysicalDevice>;

  template <>
  class SharedHandle<Queue> : public SharedHandleBaseNoDestroy<Queue, SharedDevice>
  {
    friend SharedHandleBase<Queue, SharedDevice>;

  public:
    SharedHandle() = default;
    explicit SharedHandle( Queue handle, SharedDevice parent ) noexcept : SharedHandleBaseNoDestroy<Queue, SharedDevice>( handle, std::move( parent ) ) {}
  };
  using SharedQueue = SharedHandle<Queue>;

  //=== VK_KHR_display ===

  template <>
  class SharedHandle<DisplayKHR> : public SharedHandleBaseNoDestroy<DisplayKHR, SharedPhysicalDevice>
  {
    friend SharedHandleBase<DisplayKHR, SharedPhysicalDevice>;

  public:
    SharedHandle() = default;
    explicit SharedHandle( DisplayKHR handle, SharedPhysicalDevice parent ) noexcept
      : SharedHandleBaseNoDestroy<DisplayKHR, SharedPhysicalDevice>( handle, std::move( parent ) )
    {
    }
  };
  using SharedDisplayKHR = SharedHandle<DisplayKHR>;

  template <>
  class SharedHandle<DisplayModeKHR> : public SharedHandleBaseNoDestroy<DisplayModeKHR, SharedDisplayKHR>
  {
    friend SharedHandleBase<DisplayModeKHR, SharedDisplayKHR>;

  public:
    SharedHandle() = default;
    explicit SharedHandle( DisplayModeKHR handle, SharedDisplayKHR parent ) noexcept
      : SharedHandleBaseNoDestroy<DisplayModeKHR, SharedDisplayKHR>( handle, std::move( parent ) )
    {
    }
  };
  using SharedDisplayModeKHR = SharedHandle<DisplayModeKHR>;

  //=== VK_INTEL_performance_query ===

  template <>
  class SharedHandle<PerformanceConfigurationINTEL> : public SharedHandleBaseNoDestroy<PerformanceConfigurationINTEL, SharedDevice>
  {
    friend SharedHandleBase<PerformanceConfigurationINTEL, SharedDevice>;

  public:
    SharedHandle() = default;
    explicit SharedHandle( PerformanceConfigurationINTEL handle, SharedDevice parent ) noexcept
      : SharedHandleBaseNoDestroy<PerformanceConfigurationINTEL, SharedDevice>( handle, std::move( parent ) )
    {
    }
  };
  using SharedPerformanceConfigurationINTEL = SharedHandle<PerformanceConfigurationINTEL>;
#endif  // !VULKAN_HPP_NO_SMART_HANDLE
}  // namespace VULKAN_HPP_NAMESPACE
#endif  // VULKAN_SHARED_HPP