Method CreatePool

include/vk_mem_alloc.h:14868–14919

}

VkResult VmaAllocator_T::CreatePool(const VmaPoolCreateInfo* pCreateInfo, VmaPool* pPool)
{
    VMA_DEBUG_LOG_FORMAT("  CreatePool: MemoryTypeIndex=%" PRIu32 ", flags=%" PRIu32, pCreateInfo->memoryTypeIndex, pCreateInfo->flags);

    VmaPoolCreateInfo newCreateInfo = *pCreateInfo;

    // Protection against uninitialized new structure member. If garbage data are left there, this pointer dereference would crash.
    if(pCreateInfo->pMemoryAllocateNext)
    {
        VMA_ASSERT(((const VkBaseInStructure*)pCreateInfo->pMemoryAllocateNext)->sType != 0);
    }

    if(newCreateInfo.maxBlockCount == 0)
    {
        newCreateInfo.maxBlockCount = SIZE_MAX;
    }
    if(newCreateInfo.minBlockCount > newCreateInfo.maxBlockCount)
    {
        return VK_ERROR_INITIALIZATION_FAILED;
    }
    // Memory type index out of range or forbidden.
    if(pCreateInfo->memoryTypeIndex >= GetMemoryTypeCount() ||
        ((1U << pCreateInfo->memoryTypeIndex) & m_GlobalMemoryTypeBits) == 0)
    {
        return VK_ERROR_FEATURE_NOT_PRESENT;
    }
    if(newCreateInfo.minAllocationAlignment > 0)
    {
        VMA_ASSERT(VmaIsPow2(newCreateInfo.minAllocationAlignment));
    }

    const VkDeviceSize preferredBlockSize = CalcPreferredBlockSize(newCreateInfo.memoryTypeIndex);

    *pPool = vma_new(this, VmaPool_T)(this, newCreateInfo, preferredBlockSize);

    VkResult res = (*pPool)->m_BlockVector.CreateMinBlocks();
    if(res != VK_SUCCESS)
    {
        vma_delete(this, *pPool);
        *pPool = VMA_NULL;
        return res;
    }

    // Add to m_Pools.
    {
        VmaMutexLockWrite lock(m_PoolsMutex, m_UseMutex);
        (*pPool)->SetId(m_NextPoolId++);
        m_Pools.PushBack(*pPool);
    }

    return VK_SUCCESS;
}

void VmaAllocator_T::DestroyPool(VmaPool pool)
{