VulkanMemoryAllocator.cpp

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/**
* @file VulkanMemoryAllocator.cpp.
* @brief The VulkanMemoryAllocator Class Implementation.
* @author Spices.
*/
 
#include "Pchheader.h"
#include "VulkanMemoryAllocator.h"
 
#define VMA_IMPLEMENTATION
#include "vk_mem_alloc.h"
 
namespace Spices {
 
    VulkanMemoryAllocator::VulkanMemoryAllocator(VulkanState& vulkanState)
        : VulkanObject(vulkanState)
    {
        SPICES_PROFILE_ZONE;
 
        /**
        * @brief Instance a VmaAllocatorCreateInfo.
        * @see https://gpuopen-librariesandsdks.github.io/VulkanMemoryAllocator/html/quick_start.html
        */
        VmaAllocatorCreateInfo                  createInfo {};
        createInfo.instance                   = vulkanState.m_Instance;
        createInfo.physicalDevice             = vulkanState.m_PhysicalDevice;
        createInfo.device                     = vulkanState.m_Device;
        createInfo.vulkanApiVersion           = VK_API_VERSION_1_3;
        createInfo.flags                      = VMA_ALLOCATOR_CREATE_KHR_DEDICATED_ALLOCATION_BIT      |
                                                VMA_ALLOCATOR_CREATE_KHR_BIND_MEMORY2_BIT              |
                                                VMA_ALLOCATOR_CREATE_KHR_MAINTENANCE4_BIT              |
                                                VMA_ALLOCATOR_CREATE_KHR_MAINTENANCE5_BIT              |
                                                VMA_ALLOCATOR_CREATE_EXT_MEMORY_BUDGET_BIT             |
                                                VMA_ALLOCATOR_CREATE_BUFFER_DEVICE_ADDRESS_BIT         |
                                                VMA_ALLOCATOR_CREATE_EXT_MEMORY_PRIORITY_BIT           |
                                                VMA_ALLOCATION_CREATE_HOST_ACCESS_SEQUENTIAL_WRITE_BIT |
                                                VMA_ALLOCATION_CREATE_HOST_ACCESS_RANDOM_BIT           ;
 
        /**
        * @brief Create Global Allocator.
        */
        VK_CHECK(vmaCreateAllocator(&createInfo, &vulkanState.m_VmaAllocator))
    }
 
    VulkanMemoryAllocator::~VulkanMemoryAllocator()
    {
        SPICES_PROFILE_ZONE;
 
        vmaDestroyAllocator(m_VulkanState.m_VmaAllocator);
        m_VulkanState.m_VmaAllocator = nullptr;
    }
}