Shared Handles (#1619)
* stage 1: added shared handles and all traits * moved deleter to the shared part, now Shared handle weights 2 pointers * Fixed Destroy Function * generated headers * At least no errors. TODO: get image overload of shared handle back make an example * fixed all SFINAE issues, moved image specialization * Added a sample * made better example, added specialization for swapchain, added shared handles to readme * Major update: Fixed all wishes Made std::shared_ptr do heavy lifting Reduced code complexity Added ParentType to basic handles Added put and put_native for cross-abi usage * more readme * safer release() removed put() for now * better synchronization inspired by STL shared_ptr implementation * removed test shared pointer * added forward type for better interop with VMA added parent checking * fixed getParent() * added non-deleting overloads for Queue, DisplayKHR and PhysicalDevice * Shared non-destoyed type now have handles * using constructors are made to comply standard * fixed leak * shared handles migrated to own header, made module entries * header is independent now * rebased repo, updated the example * fixed most of the stuff * renamed parent of, added guide to make shared handles * vulkansc * moved destructor to shared handle traits * resolved issues with CI * more relaxed memory ordering for release operation * trying to remove submodule * renamed to destructorType * suppressed function cast warning * only GCC should be affected
This commit is contained in:
Ilya Doroshenko
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snippets/SharedDestroy.hpp
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150
snippets/SharedDestroy.hpp
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template <typename HandleType>
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class SharedHandleTraits;
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// Silence the function cast warnings.
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#if defined( __GNUC__ ) && !defined( __clang__ ) && !defined( __INTEL_COMPILER )
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# pragma GCC diagnostic push
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# pragma GCC diagnostic ignored "-Wcast-function-type"
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#endif
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template <typename HandleType>
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class ObjectDestroyShared
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{
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public:
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using DestructorType = typename SharedHandleTraits<HandleType>::DestructorType;
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template <class Dispatcher>
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using DestroyFunctionPointerType = typename std::conditional<HasDestructor<HandleType>::value,
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void ( DestructorType::* )( HandleType, const AllocationCallbacks *, const Dispatcher & ) const,
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void ( HandleType::* )( const AllocationCallbacks *, const Dispatcher & ) const>::type;
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using SelectorType = typename std::conditional<HasDestructor<HandleType>::value, DestructorType, HandleType>::type;
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template <typename Dispatcher = VULKAN_HPP_DEFAULT_DISPATCHER_TYPE>
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ObjectDestroyShared( Optional<const AllocationCallbacks> allocationCallbacks VULKAN_HPP_DEFAULT_ARGUMENT_NULLPTR_ASSIGNMENT,
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const Dispatcher & dispatch VULKAN_HPP_DEFAULT_DISPATCHER_ASSIGNMENT )
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: m_destroy( reinterpret_cast<decltype( m_destroy )>( static_cast<DestroyFunctionPointerType<Dispatcher>>( &SelectorType::destroy ) ) )
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, m_dispatch( &dispatch )
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, m_allocationCallbacks( allocationCallbacks )
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{
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}
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public:
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template <typename T = HandleType>
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typename std::enable_if<HasDestructor<T>::value, void>::type destroy( DestructorType parent, HandleType handle ) const VULKAN_HPP_NOEXCEPT
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{
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VULKAN_HPP_ASSERT( m_destroy && m_dispatch );
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( parent.*m_destroy )( handle, m_allocationCallbacks, *m_dispatch );
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}
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template <typename T = HandleType>
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typename std::enable_if<!HasDestructor<T>::value, void>::type destroy( HandleType handle ) const VULKAN_HPP_NOEXCEPT
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{
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VULKAN_HPP_ASSERT( m_destroy && m_dispatch );
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( handle.*m_destroy )( m_allocationCallbacks, *m_dispatch );
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}
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private:
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DestroyFunctionPointerType<DispatchLoaderBase> m_destroy = nullptr;
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const DispatchLoaderBase * m_dispatch = nullptr;
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Optional<const AllocationCallbacks> m_allocationCallbacks = nullptr;
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};
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template <typename HandleType>
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class ObjectFreeShared
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{
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public:
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using DestructorType = typename SharedHandleTraits<HandleType>::DestructorType;
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template <class Dispatcher>
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using DestroyFunctionPointerType = void ( DestructorType::* )( HandleType, const AllocationCallbacks *, const Dispatcher & ) const;
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template <class Dispatcher = VULKAN_HPP_DEFAULT_DISPATCHER_TYPE>
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ObjectFreeShared( Optional<const AllocationCallbacks> allocationCallbacks VULKAN_HPP_DEFAULT_ARGUMENT_NULLPTR_ASSIGNMENT,
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const Dispatcher & dispatch VULKAN_HPP_DEFAULT_DISPATCHER_ASSIGNMENT )
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: m_destroy( reinterpret_cast<decltype( m_destroy )>( static_cast<DestroyFunctionPointerType<Dispatcher>>( &DestructorType::free ) ) )
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, m_dispatch( &dispatch )
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, m_allocationCallbacks( allocationCallbacks )
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{
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}
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public:
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void destroy( DestructorType parent, HandleType handle ) const VULKAN_HPP_NOEXCEPT
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{
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VULKAN_HPP_ASSERT( m_destroy && m_dispatch );
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( parent.*m_destroy )( handle, m_allocationCallbacks, *m_dispatch );
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}
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private:
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DestroyFunctionPointerType<DispatchLoaderBase> m_destroy = nullptr;
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const DispatchLoaderBase * m_dispatch = nullptr;
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Optional<const AllocationCallbacks> m_allocationCallbacks = nullptr;
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};
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template <typename HandleType>
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class ObjectReleaseShared
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{
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public:
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using DestructorType = typename SharedHandleTraits<HandleType>::DestructorType;
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template <class Dispatcher>
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using DestroyFunctionPointerType = void ( DestructorType::* )( HandleType, const Dispatcher & ) const;
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template <class Dispatcher = VULKAN_HPP_DEFAULT_DISPATCHER_TYPE>
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ObjectReleaseShared( const Dispatcher & dispatch VULKAN_HPP_DEFAULT_DISPATCHER_ASSIGNMENT )
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: m_destroy( reinterpret_cast<decltype( m_destroy )>( static_cast<DestroyFunctionPointerType<Dispatcher>>( &DestructorType::release ) ) )
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, m_dispatch( &dispatch )
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{
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}
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public:
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void destroy( DestructorType parent, HandleType handle ) const VULKAN_HPP_NOEXCEPT
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{
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VULKAN_HPP_ASSERT( m_destroy && m_dispatch );
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( parent.*m_destroy )( handle, *m_dispatch );
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}
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private:
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DestroyFunctionPointerType<DispatchLoaderBase> m_destroy = nullptr;
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const DispatchLoaderBase * m_dispatch = nullptr;
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};
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template <typename HandleType, typename PoolType>
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class PoolFreeShared
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{
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public:
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using DestructorType = typename SharedHandleTraits<HandleType>::DestructorType;
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template <class Dispatcher>
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using ReturnType = decltype( std::declval<DestructorType>().free( PoolType(), 0u, nullptr, Dispatcher() ) );
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template <class Dispatcher>
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using DestroyFunctionPointerType = ReturnType<Dispatcher> ( DestructorType::* )( PoolType, uint32_t, const HandleType *, const Dispatcher & ) const;
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PoolFreeShared() = default;
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template <class Dispatcher = VULKAN_HPP_DEFAULT_DISPATCHER_TYPE>
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PoolFreeShared( SharedHandle<PoolType> pool, const Dispatcher & dispatch VULKAN_HPP_DEFAULT_DISPATCHER_ASSIGNMENT )
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: m_destroy( reinterpret_cast<decltype( m_destroy )>( static_cast<DestroyFunctionPointerType<Dispatcher>>( &DestructorType::free ) ) )
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, m_dispatch( &dispatch )
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, m_pool( std::move( pool ) )
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{
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}
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public:
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void destroy( DestructorType parent, HandleType handle ) const VULKAN_HPP_NOEXCEPT
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{
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VULKAN_HPP_ASSERT( m_destroy && m_dispatch );
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( parent.*m_destroy )( m_pool.get(), 1u, &handle, *m_dispatch );
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}
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private:
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DestroyFunctionPointerType<DispatchLoaderBase> m_destroy = nullptr;
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const DispatchLoaderBase * m_dispatch = nullptr;
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SharedHandle<PoolType> m_pool{};
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};
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#if defined( __GNUC__ ) && !defined( __clang__ ) && !defined( __INTEL_COMPILER )
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# pragma GCC diagnostic pop
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#endif
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