Method AllocateDedicatedMemory

include/vk_mem_alloc.h:13636–13781

}

VkResult VmaAllocator_T::AllocateDedicatedMemory(
    VmaPool pool,
    VkDeviceSize size,
    VmaSuballocationType suballocType,
    VmaDedicatedAllocationList& dedicatedAllocations,
    uint32_t memTypeIndex,
    bool map,
    bool isUserDataString,
    bool isMappingAllowed,
    bool canAliasMemory,
    void* pUserData,
    float priority,
    VkBuffer dedicatedBuffer,
    VkImage dedicatedImage,
    VmaBufferImageUsage dedicatedBufferImageUsage,
    size_t allocationCount,
    VmaAllocation* pAllocations,
    const void* pNextChain)
{
    VMA_ASSERT(allocationCount > 0 && pAllocations);

    VkMemoryAllocateInfo allocInfo = { VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO };
    allocInfo.memoryTypeIndex = memTypeIndex;
    allocInfo.allocationSize = size;
    allocInfo.pNext = pNextChain;

#if VMA_DEDICATED_ALLOCATION || VMA_VULKAN_VERSION >= 1001000
    VkMemoryDedicatedAllocateInfoKHR dedicatedAllocInfo = { VK_STRUCTURE_TYPE_MEMORY_DEDICATED_ALLOCATE_INFO_KHR };
    if(!canAliasMemory)
    {
        if(m_UseKhrDedicatedAllocation || m_VulkanApiVersion >= VK_MAKE_VERSION(1, 1, 0))
        {
            if(dedicatedBuffer != VK_NULL_HANDLE)
            {
                VMA_ASSERT(dedicatedImage == VK_NULL_HANDLE);
                dedicatedAllocInfo.buffer = dedicatedBuffer;
                VmaPnextChainPushFront(&allocInfo, &dedicatedAllocInfo);
            }
            else if(dedicatedImage != VK_NULL_HANDLE)
            {
                dedicatedAllocInfo.image = dedicatedImage;
                VmaPnextChainPushFront(&allocInfo, &dedicatedAllocInfo);
            }
        }
    }
#endif // #if VMA_DEDICATED_ALLOCATION || VMA_VULKAN_VERSION >= 1001000

#if VMA_BUFFER_DEVICE_ADDRESS
    VkMemoryAllocateFlagsInfoKHR allocFlagsInfo = { VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_FLAGS_INFO_KHR };
    if(m_UseKhrBufferDeviceAddress)
    {
        bool canContainBufferWithDeviceAddress = true;
        if(dedicatedBuffer != VK_NULL_HANDLE)
        {
            canContainBufferWithDeviceAddress = dedicatedBufferImageUsage == VmaBufferImageUsage::UNKNOWN ||
                dedicatedBufferImageUsage.Contains(VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT_EXT);
        }
        else if(dedicatedImage != VK_NULL_HANDLE)