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Fixed algorithm in VmaBlockMetadata_TLSF::CreateAllocationRequest

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Code by @medranSolus
This commit is contained in:
Adam Sawicki 2022-02-01 14:03:52 +01:00
parent c161ba93d5
commit ab134958f5
1 changed files with 6 additions and 3 deletions
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9
include/vk_mem_alloc.h
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@ -9928,12 +9928,15 @@ bool VmaBlockMetadata_TLSF::CreateAllocationRequest(
// Round up to the next block
VkDeviceSize sizeForNextList = allocSize;
if (allocSize >= (1 << SECOND_LEVEL_INDEX))
VkDeviceSize smallSizeStep = SMALL_BUFFER_SIZE / (IsVirtual() ? 1 << SECOND_LEVEL_INDEX : 4);
if (allocSize > SMALL_BUFFER_SIZE)
{
sizeForNextList += (1ULL << (VMA_BITSCAN_MSB(allocSize) - SECOND_LEVEL_INDEX)) - 1;
sizeForNextList += (1ULL << (VMA_BITSCAN_MSB(allocSize) - SECOND_LEVEL_INDEX));
}
else if (allocSize > SMALL_BUFFER_SIZE - smallSizeStep)
sizeForNextList = SMALL_BUFFER_SIZE + 1;
else
sizeForNextList += (1 << SECOND_LEVEL_INDEX) - 1;
sizeForNextList += smallSizeStep;
uint32_t nextListIndex = 0;
uint32_t prevListIndex = 0;