Method CalculateStatistics

include/vk_mem_alloc.h:14730–14780

}

void VmaAllocator_T::CalculateStatistics(VmaTotalStatistics* pStats)
{
    // Initialize.
    VmaClearDetailedStatistics(pStats->total);
    for(uint32_t i = 0; i < VK_MAX_MEMORY_TYPES; ++i)
        VmaClearDetailedStatistics(pStats->memoryType[i]);
    for(uint32_t i = 0; i < VK_MAX_MEMORY_HEAPS; ++i)
        VmaClearDetailedStatistics(pStats->memoryHeap[i]);

    // Process default pools.
    for(uint32_t memTypeIndex = 0; memTypeIndex < GetMemoryTypeCount(); ++memTypeIndex)
    {
        VmaBlockVector* const pBlockVector = m_pBlockVectors[memTypeIndex];
        if (pBlockVector != VMA_NULL)
            pBlockVector->AddDetailedStatistics(pStats->memoryType[memTypeIndex]);
    }

    // Process custom pools.
    {
        VmaMutexLockRead lock(m_PoolsMutex, m_UseMutex);
        for(VmaPool pool = m_Pools.Front(); pool != VMA_NULL; pool = m_Pools.GetNext(pool))
        {
            VmaBlockVector& blockVector = pool->m_BlockVector;
            const uint32_t memTypeIndex = blockVector.GetMemoryTypeIndex();
            blockVector.AddDetailedStatistics(pStats->memoryType[memTypeIndex]);
            pool->m_DedicatedAllocations.AddDetailedStatistics(pStats->memoryType[memTypeIndex]);
        }
    }

    // Process dedicated allocations.
    for(uint32_t memTypeIndex = 0; memTypeIndex < GetMemoryTypeCount(); ++memTypeIndex)
    {
        m_DedicatedAllocations[memTypeIndex].AddDetailedStatistics(pStats->memoryType[memTypeIndex]);
    }

    // Sum from memory types to memory heaps.
    for(uint32_t memTypeIndex = 0; memTypeIndex < GetMemoryTypeCount(); ++memTypeIndex)
    {
        const uint32_t memHeapIndex = m_MemProps.memoryTypes[memTypeIndex].heapIndex;
        VmaAddDetailedStatistics(pStats->memoryHeap[memHeapIndex], pStats->memoryType[memTypeIndex]);
    }

    // Sum from memory heaps to total.
    for(uint32_t memHeapIndex = 0; memHeapIndex < GetMemoryHeapCount(); ++memHeapIndex)
        VmaAddDetailedStatistics(pStats->total, pStats->memoryHeap[memHeapIndex]);

    VMA_ASSERT(pStats->total.statistics.allocationCount == 0 ||
        pStats->total.allocationSizeMax >= pStats->total.allocationSizeMin);
    VMA_ASSERT(pStats->total.unusedRangeCount == 0 ||
        pStats->total.unusedRangeSizeMax >= pStats->total.unusedRangeSizeMin);
}

void VmaAllocator_T::GetHeapBudgets(VmaBudget* outBudgets, uint32_t firstHeap, uint32_t heapCount)
{