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https://github.com/GPUOpen-LibrariesAndSDKs/VulkanMemoryAllocator
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Tests, documentation and fix
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@ -2074,6 +2074,21 @@ VMA_CALL_PRE void VMA_CALL_POST vmaGetAllocationMemoryProperties(
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VmaAllocation VMA_NOT_NULL allocation,
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VkMemoryPropertyFlags* VMA_NOT_NULL pFlags);
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#if VMA_EXTERNAL_MEMORY_WIN32
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/**
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\brief Given an allocation, returns Win32 Handle, that may be imported by other processes or APIs.
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`hTargetProcess` must be a valid handle to target process or NULL. If it's `NULL`, the function returns
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handle for the current process.
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If the allocation was created with `VMA_ALLOCATION_CREATE_EXPORT_WIN32_HANDLE_BIT` flag,
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the function fills `pHandle` with handle that can be used in target process.
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*/
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VMA_CALL_PRE VkResult VMA_CALL_POST vmaGetMemoryWin32HandleKHR(VmaAllocator VMA_NOT_NULL allocator,
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VmaAllocation VMA_NOT_NULL allocation, HANDLE hTargetProcess, HANDLE* VMA_NOT_NULL pHandle);
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#endif // VMA_EXTERNAL_MEMORY_WIN32
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/** \brief Maps memory represented by given allocation and returns pointer to it.
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Maps memory represented by given allocation to make it accessible to CPU code.
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@ -6345,7 +6360,7 @@ public:
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#endif
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#if VMA_EXTERNAL_MEMORY_WIN32
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VkResult GetWin32Handle(VmaAllocator hAllocator, HANDLE hTargetProcess, HANDLE* hHandle) const noexcept;
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VkResult GetWin32Handle(VmaAllocator hAllocator, HANDLE hTargetProcess, HANDLE* hHandle) noexcept;
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#endif // VMA_EXTERNAL_MEMORY_WIN32
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private:
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@ -6363,7 +6378,7 @@ private:
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void* m_pMappedData; // Not null means memory is mapped.
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VmaAllocation_T* m_Prev;
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VmaAllocation_T* m_Next;
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mutable VmaWin32Handle m_Handle; // Win32 handle
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VmaWin32Handle m_Handle; // Win32 handle
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};
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union
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{
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@ -11101,7 +11116,7 @@ void VmaAllocation_T::PrintParameters(class VmaJsonWriter& json) const
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}
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}
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#if VMA_EXTERNAL_MEMORY_WIN32
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VkResult VmaAllocation_T::GetWin32Handle(VmaAllocator hAllocator, HANDLE hTargetProcess, HANDLE* pHandle) const noexcept
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VkResult VmaAllocation_T::GetWin32Handle(VmaAllocator hAllocator, HANDLE hTargetProcess, HANDLE* pHandle) noexcept
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{
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// Where do we get this function from?
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auto pvkGetMemoryWin32HandleKHR = hAllocator->GetVulkanFunctions().vkGetMemoryWin32HandleKHR;
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@ -13127,12 +13142,6 @@ void VmaAllocator_T::ImportVulkanFunctions_Static()
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m_VulkanFunctions.vkGetDeviceImageMemoryRequirements = (PFN_vkGetDeviceImageMemoryRequirements)vkGetDeviceImageMemoryRequirements;
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}
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#endif
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#if VMA_EXTERNAL_MEMORY_WIN32
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// Can only be fetched dynamically
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m_VulkanFunctions.vkGetMemoryWin32HandleKHR = (PFN_vkGetMemoryWin32HandleKHR)m_VulkanFunctions.vkGetDeviceProcAddr(m_hDevice, "vkGetMemoryWin32HandleKHR");
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#else
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m_VulkanFunctions.vkGetMemoryWin32HandleKHR = VMA_NULL;
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#endif
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}
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#endif // VMA_STATIC_VULKAN_FUNCTIONS == 1
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@ -16604,7 +16613,7 @@ VMA_CALL_PRE void VMA_CALL_POST vmaFreeVirtualBlockStatsString(VmaVirtualBlock V
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}
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#if VMA_EXTERNAL_MEMORY_WIN32
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VMA_CALL_PRE VkResult VMA_CALL_POST vmaGetMemoryWin32HandleKHR(VmaAllocator VMA_NOT_NULL allocator,
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VmaAllocation VMA_NOT_NULL allocation, HANDLE hTargetProcess, HANDLE* pHandle)
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VmaAllocation VMA_NOT_NULL allocation, HANDLE hTargetProcess, HANDLE* VMA_NOT_NULL pHandle)
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{
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VMA_ASSERT(allocator && allocation);
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VMA_DEBUG_GLOBAL_MUTEX_LOCK;
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@ -8253,6 +8253,34 @@ static void TestMappingHysteresis()
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}
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}
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static void TestWin32Handles()
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{
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#if VMA_EXTERNAL_MEMORY_WIN32
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wprintf(L"Test Win32 handles\n");
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VkBufferCreateInfo bufCreateInfo = { VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO };
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bufCreateInfo.size = 1024;
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bufCreateInfo.usage = VK_BUFFER_USAGE_TRANSFER_SRC_BIT;
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VmaAllocationCreateInfo allocCreateInfo = {};
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allocCreateInfo.usage = VMA_MEMORY_USAGE_AUTO;
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VkBuffer buf;
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VmaAllocation alloc;
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VmaAllocationInfo allocInfo;
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TEST(vmaCreateBuffer(g_hAllocator, &bufCreateInfo, &allocCreateInfo, &buf, &alloc, &allocInfo) == VK_SUCCESS);
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HANDLE handle;
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HANDLE handle2;
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TEST(vmaGetMemoryWin32HandleKHR(g_hAllocator, alloc, nullptr, &handle) == VK_SUCCESS);
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TEST(handle != nullptr);
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TEST(vmaGetMemoryWin32HandleKHR(g_hAllocator, alloc, nullptr, &handle2) == VK_SUCCESS);
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TEST(handle2 != nullptr);
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TEST(handle2 != handle);
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vmaDestroyBuffer(g_hAllocator, buf, alloc);
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TEST(CloseHandle(handle));
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TEST(CloseHandle(handle2));
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#endif
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}
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void Test()
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{
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wprintf(L"TESTING:\n");
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@ -8295,6 +8323,7 @@ void Test()
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TestMappingHysteresis();
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TestDeviceLocalMapped();
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TestMaintenance5();
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TestWin32Handles();
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TestMappingMultithreaded();
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TestLinearAllocator();
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ManuallyTestLinearAllocator();
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