AuroraMiddleware/D3D12MemoryAllocator
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Fixed algorithm in BlockMetadata_TLSF::CreateAllocationRequest

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Code by @medranSolus
This commit is contained in:
Adam Sawicki 2022-02-01 14:11:35 +01:00
parent e99d1c9687
commit 56335afdad
1 changed files with 6 additions and 3 deletions
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9
src/D3D12MemAlloc.cpp
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@ -4206,12 +4206,15 @@ bool BlockMetadata_TLSF::CreateAllocationRequest(
// Round up to the next block
UINT64 sizeForNextList = allocSize;
if (allocSize >= (1 << SECOND_LEVEL_INDEX))
UINT64 smallSizeStep = SMALL_BUFFER_SIZE / (IsVirtual() ? 1 << SECOND_LEVEL_INDEX : 4);
if (allocSize > SMALL_BUFFER_SIZE)
{
sizeForNextList += (1ULL << (BitScanMSB(allocSize) - SECOND_LEVEL_INDEX)) - 1;
sizeForNextList += (1ULL << (BitScanMSB(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;
// Check larger bucket
UINT32 nextListIndex = 0;