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Further refactoring of defragmentation, preparing for defragmentation of GPU memory.

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This commit is contained in:
Adam Sawicki 2018-10-18 14:14:28 +02:00
parent 29b04041f7
commit 76c5bcabfd
1 changed files with 111 additions and 99 deletions
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210
src/vk_mem_alloc.h
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@ -2653,8 +2653,7 @@ typedef struct VmaDefragmentationStats {
Use this function instead of old, deprecated vmaDefragment().
It is important to note that between the call to vmaDefragmentationBegin() and
vmaDefragmentationEnd():
Warning! Between the call to vmaDefragmentationBegin() and vmaDefragmentationEnd():
- You should not use any of allocations passed as `pInfo->pAllocations`,
including calling vmaGetAllocationInfo(), vmaTouchAllocation(), or accessing
@ -2690,7 +2689,7 @@ VkResult vmaDefragmentationEnd(
@param[out] pAllocationsChanged Array of boolean values that will indicate whether matching allocation in pAllocations array has been moved. This parameter is optional. Pass null if you don't need this information.
@param pDefragmentationInfo Configuration parameters. Optional - pass null to use default values.
@param[out] pDefragmentationStats Statistics returned by the function. Optional - pass null if you don't need this information.
@return `VK_SUCCESS` if completed, `VK_INCOMPLETE` if succeeded but didn't make all possible optimizations because limits specified in `pDefragmentationInfo` have been reached, negative error code in case of error.
@return `VK_SUCCESS` if completed, negative error code in case of error.
\deprecated This is a part of the old interface. It is recommended to use structure #VmaDefragmentationInfo2 and function vmaDefragmentationBegin() instead.
@ -5534,12 +5533,18 @@ public:
size_t* pLostAllocationCount);
VkResult CheckCorruption();
VkResult Defragment(
// Saves results in pDefragCtx->res.
void Defragment(
class VmaBlockVectorDefragmentationContext* pDefragCtx,
VmaDefragmentationStats* pDefragmentationStats,
VkDeviceSize& maxCpuBytesToMove, uint32_t& maxCpuAllocationsToMove,
VkDeviceSize& maxGpuBytesToMove, uint32_t& maxGpuAllocationsToMove,
VkCommandBuffer commandBuffer);
/*
Used during defragmentation. pDefragmentationStats is optional. It's in/out
- updated with new data.
*/
void FreeEmptyBlocks(VmaDefragmentationStats* pDefragmentationStats);
private:
friend class VmaDefragmentationAlgorithm;
@ -5587,17 +5592,15 @@ private:
VkResult CreateBlock(VkDeviceSize blockSize, size_t* pNewBlockIndex);
VkResult ApplyDefragmentationMovesCpu(
// Saves result to pDefragCtx->res.
void ApplyDefragmentationMovesCpu(
class VmaBlockVectorDefragmentationContext* pDefragCtx,
const VmaVector< VmaDefragmentationMove, VmaStlAllocator<VmaDefragmentationMove> >& moves);
VkResult ApplyDefragmentationMovesGpu(
// Saves result to pDefragCtx->res.
void ApplyDefragmentationMovesGpu(
class VmaBlockVectorDefragmentationContext* pDefragCtx,
const VmaVector< VmaDefragmentationMove, VmaStlAllocator<VmaDefragmentationMove> >& moves,
VkCommandBuffer commandBuffer);
/*
Used during defragmentation. pDefragmentationStats is optional. It's in/out
- updated with new data.
*/
void FreeEmptyBlocks(VmaDefragmentationStats* pDefragmentationStats);
};
struct VmaPool_T
@ -5756,8 +5759,9 @@ private:
size_t srcBlockIndex, VkDeviceSize srcOffset);
};
class VmaBlockDefragmentationContext
struct VmaBlockDefragmentationContext
{
private:
VMA_CLASS_NO_COPY(VmaBlockDefragmentationContext)
public:
enum BLOCK_FLAG
@ -5778,13 +5782,15 @@ class VmaBlockVectorDefragmentationContext
{
VMA_CLASS_NO_COPY(VmaBlockVectorDefragmentationContext)
public:
VkResult res;
VmaVector< VmaBlockDefragmentationContext, VmaStlAllocator<VmaBlockDefragmentationContext> > blockContexts;
VmaBlockVectorDefragmentationContext(
VmaAllocator hAllocator,
VmaPool hCustomPool, // Optional.
VmaBlockVector* pBlockVector,
uint32_t currFrameIndex);
uint32_t currFrameIndex,
VmaDefragmentationStats* pStats);
~VmaBlockVectorDefragmentationContext();
VmaPool GetCustomPool() const { return m_hCustomPool; }
@ -5797,6 +5803,8 @@ private:
const VmaPool m_hCustomPool;
// Redundant, for convenience not to fetch from m_hCustomPool->m_BlockVector or m_hAllocator->m_pBlockVectors.
VmaBlockVector* const m_pBlockVector;
// Pointer to in/out stats, common for whole defragmentation context.
VmaDefragmentationStats* const m_pStats;
// Owner of this object.
VmaDefragmentationAlgorithm* m_pAlgorithm;
};
@ -5806,7 +5814,10 @@ struct VmaDefragmentationContext_T
private:
VMA_CLASS_NO_COPY(VmaDefragmentationContext_T)
public:
VmaDefragmentationContext_T(VmaAllocator hAllocator, uint32_t currFrameIndex);
VmaDefragmentationContext_T(
VmaAllocator hAllocator,
uint32_t currFrameIndex,
VmaDefragmentationStats* pStats);
~VmaDefragmentationContext_T();
void AddAllocations(
@ -5828,6 +5839,7 @@ public:
private:
const VmaAllocator m_hAllocator;
const uint32_t m_CurrFrameIndex;
VmaDefragmentationStats* const m_pStats;
// Owner of these objects.
VmaBlockVectorDefragmentationContext* m_DefaultPoolContexts[VK_MAX_MEMORY_TYPES];
// Owner of these objects.
@ -11106,7 +11118,8 @@ VkResult VmaBlockVector::CreateBlock(VkDeviceSize blockSize, size_t* pNewBlockIn
return VK_SUCCESS;
}
VkResult VmaBlockVector::ApplyDefragmentationMovesCpu(
void VmaBlockVector::ApplyDefragmentationMovesCpu(
class VmaBlockVectorDefragmentationContext* pDefragCtx,
const VmaVector< VmaDefragmentationMove, VmaStlAllocator<VmaDefragmentationMove> >& moves)
{
const size_t blockCount = m_Blocks.size();
@ -11136,10 +11149,10 @@ VkResult VmaBlockVector::ApplyDefragmentationMovesCpu(
blockInfo[move.dstBlockIndex].flags |= BLOCK_FLAG_USED;
}
VkResult res = VK_SUCCESS;
VMA_ASSERT(pDefragCtx->res == VK_SUCCESS);
// Go over all blocks. Get mapped pointer or map if necessary.
for(size_t blockIndex = 0; (res >= 0) && (blockIndex < blockCount); ++blockIndex)
for(size_t blockIndex = 0; pDefragCtx->res == VK_SUCCESS && blockIndex < blockCount; ++blockIndex)
{
BlockInfo& currBlockInfo = blockInfo[blockIndex];
VmaDeviceMemoryBlock* pBlock = m_Blocks[blockIndex];
@ -11149,8 +11162,8 @@ VkResult VmaBlockVector::ApplyDefragmentationMovesCpu(
// It is not originally mapped - map it.
if(currBlockInfo.pMappedData == VMA_NULL)
{
res = pBlock->Map(m_hAllocator, 1, &currBlockInfo.pMappedData);
if(res == VK_SUCCESS)
pDefragCtx->res = pBlock->Map(m_hAllocator, 1, &currBlockInfo.pMappedData);
if(pDefragCtx->res == VK_SUCCESS)
{
currBlockInfo.flags |= BLOCK_FLAG_MAPPED_FOR_DEFRAGMENTATION;
}
@ -11159,7 +11172,7 @@ VkResult VmaBlockVector::ApplyDefragmentationMovesCpu(
}
// Go over all moves. Do actual data transfer.
if(res >= 0)
if(pDefragCtx->res == VK_SUCCESS)
{
const VkDeviceSize nonCoherentAtomSize = m_hAllocator->m_PhysicalDeviceProperties.limits.nonCoherentAtomSize;
VkMappedMemoryRange memRange = { VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE };
@ -11212,7 +11225,7 @@ VkResult VmaBlockVector::ApplyDefragmentationMovesCpu(
}
// Go over all blocks in reverse order. Unmap those that were mapped just for defragmentation.
// Regardless of res >= 0.
// Regardless of pDefragCtx->res == VK_SUCCESS.
for(size_t blockIndex = blockCount; blockIndex--; )
{
const BlockInfo& currBlockInfo = blockInfo[blockIndex];
@ -11222,40 +11235,28 @@ VkResult VmaBlockVector::ApplyDefragmentationMovesCpu(
pBlock->Unmap(m_hAllocator, 1);
}
}
return res;
}
VkResult VmaBlockVector::ApplyDefragmentationMovesGpu(
void VmaBlockVector::ApplyDefragmentationMovesGpu(
class VmaBlockVectorDefragmentationContext* pDefragCtx,
const VmaVector< VmaDefragmentationMove, VmaStlAllocator<VmaDefragmentationMove> >& moves,
VkCommandBuffer commandBuffer)
{
const size_t blockCount = m_Blocks.size();
enum BLOCK_FLAG
{
BLOCK_FLAG_USED = 0x00000001,
};
struct BlockInfo
{
uint32_t flags;
VkBuffer buffer;
};
VmaVector< BlockInfo, VmaStlAllocator<BlockInfo> >
blockInfo(blockCount, VmaStlAllocator<BlockInfo>(m_hAllocator->GetAllocationCallbacks()));
memset(blockInfo.data(), 0, blockCount * sizeof(BlockInfo));
pDefragCtx->blockContexts.resize(blockCount);
memset(pDefragCtx->blockContexts.data(), 0, blockCount * sizeof(VmaBlockDefragmentationContext));
// Go over all moves. Mark blocks that are used with BLOCK_FLAG_USED.
const size_t moveCount = moves.size();
for(size_t moveIndex = 0; moveIndex < moveCount; ++moveIndex)
{
const VmaDefragmentationMove& move = moves[moveIndex];
blockInfo[move.srcBlockIndex].flags |= BLOCK_FLAG_USED;
blockInfo[move.dstBlockIndex].flags |= BLOCK_FLAG_USED;
pDefragCtx->blockContexts[move.srcBlockIndex].flags |= VmaBlockDefragmentationContext::BLOCK_FLAG_USED;
pDefragCtx->blockContexts[move.dstBlockIndex].flags |= VmaBlockDefragmentationContext::BLOCK_FLAG_USED;
}
VkResult res = VK_SUCCESS;
VMA_ASSERT(pDefragCtx->res == VK_SUCCESS);
// Go over all blocks. Create and bind buffer for whole block if necessary.
{
@ -11263,26 +11264,26 @@ VkResult VmaBlockVector::ApplyDefragmentationMovesGpu(
bufCreateInfo.usage = VK_BUFFER_USAGE_TRANSFER_SRC_BIT |
VK_BUFFER_USAGE_TRANSFER_DST_BIT;
for(size_t blockIndex = 0; (res >= 0) && (blockIndex < blockCount); ++blockIndex)
for(size_t blockIndex = 0; pDefragCtx->res == VK_SUCCESS && blockIndex < blockCount; ++blockIndex)
{
BlockInfo& currBlockInfo = blockInfo[blockIndex];
VmaBlockDefragmentationContext& currBlockCtx = pDefragCtx->blockContexts[blockIndex];
VmaDeviceMemoryBlock* pBlock = m_Blocks[blockIndex];
if((currBlockInfo.flags & BLOCK_FLAG_USED) != 0)
if((currBlockCtx.flags & VmaBlockDefragmentationContext::BLOCK_FLAG_USED) != 0)
{
bufCreateInfo.size = pBlock->m_pMetadata->GetSize();
res = (*m_hAllocator->GetVulkanFunctions().vkCreateBuffer)(
m_hAllocator->m_hDevice, &bufCreateInfo, m_hAllocator->GetAllocationCallbacks(), &currBlockInfo.buffer);
if(res == VK_SUCCESS)
pDefragCtx->res = (*m_hAllocator->GetVulkanFunctions().vkCreateBuffer)(
m_hAllocator->m_hDevice, &bufCreateInfo, m_hAllocator->GetAllocationCallbacks(), &currBlockCtx.hBuffer);
if(pDefragCtx->res == VK_SUCCESS)
{
res = (*m_hAllocator->GetVulkanFunctions().vkBindBufferMemory)(
m_hAllocator->m_hDevice, currBlockInfo.buffer, pBlock->GetDeviceMemory(), 0);
pDefragCtx->res = (*m_hAllocator->GetVulkanFunctions().vkBindBufferMemory)(
m_hAllocator->m_hDevice, currBlockCtx.hBuffer, pBlock->GetDeviceMemory(), 0);
}
}
}
}
// Go over all moves. Post data transfer commands to command buffer.
if(res >= 0)
if(pDefragCtx->res == VK_SUCCESS)
{
const VkDeviceSize nonCoherentAtomSize = m_hAllocator->m_PhysicalDeviceProperties.limits.nonCoherentAtomSize;
VkMappedMemoryRange memRange = { VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE };
@ -11291,39 +11292,25 @@ VkResult VmaBlockVector::ApplyDefragmentationMovesGpu(
{
const VmaDefragmentationMove& move = moves[moveIndex];
const BlockInfo& srcBlockInfo = blockInfo[move.srcBlockIndex];
const BlockInfo& dstBlockInfo = blockInfo[move.dstBlockIndex];
const VmaBlockDefragmentationContext& srcBlockCtx = pDefragCtx->blockContexts[move.srcBlockIndex];
const VmaBlockDefragmentationContext& dstBlockCtx = pDefragCtx->blockContexts[move.dstBlockIndex];
VMA_ASSERT(srcBlockInfo.buffer && dstBlockInfo.buffer);
VMA_ASSERT(srcBlockCtx.hBuffer && dstBlockCtx.hBuffer);
VkBufferCopy region = {
move.srcOffset,
move.dstOffset,
move.size };
(*m_hAllocator->GetVulkanFunctions().vkCmdCopyBuffer)(
commandBuffer, srcBlockInfo.buffer, dstBlockInfo.buffer, 1, &region);
commandBuffer, srcBlockCtx.hBuffer, dstBlockCtx.hBuffer, 1, &region);
}
}
if(res >= VK_SUCCESS)
// Save buffers to defrag context for later destruction.
if(pDefragCtx->res == VK_SUCCESS && moveCount > 0)
{
// TODO save buffers to defrag context for later destruction.
pDefragCtx->res = VK_NOT_READY;
}
else
{
// Destroy buffers.
for(size_t blockIndex = blockCount; blockIndex--; )
{
BlockInfo& currBlockInfo = blockInfo[blockIndex];
if(currBlockInfo.buffer != VK_NULL_HANDLE)
{
(*m_hAllocator->GetVulkanFunctions().vkDestroyBuffer)(
m_hAllocator->m_hDevice, currBlockInfo.buffer, m_hAllocator->GetAllocationCallbacks());
}
}
}
return res;
}
void VmaBlockVector::FreeEmptyBlocks(VmaDefragmentationStats* pDefragmentationStats)
@ -11421,14 +11408,14 @@ void VmaBlockVector::PrintDetailedMap(class VmaJsonWriter& json)
#endif // #if VMA_STATS_STRING_ENABLED
VkResult VmaBlockVector::Defragment(
void VmaBlockVector::Defragment(
class VmaBlockVectorDefragmentationContext* pDefragCtx,
VmaDefragmentationStats* pDefragmentationStats,
VkDeviceSize& maxCpuBytesToMove, uint32_t& maxCpuAllocationsToMove,
VkDeviceSize& maxGpuBytesToMove, uint32_t& maxGpuAllocationsToMove,
VkCommandBuffer commandBuffer)
{
VkResult res = VK_SUCCESS;
pDefragCtx->res = VK_SUCCESS;
const VkMemoryPropertyFlags memPropFlags =
m_hAllocator->m_MemProps.memoryTypes[m_MemoryTypeIndex].propertyFlags;
@ -11436,11 +11423,11 @@ VkResult VmaBlockVector::Defragment(
(memPropFlags & VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT) != 0;
const bool canDefragmentOnGpu = maxGpuBytesToMove > 0 && maxGpuAllocationsToMove > 0;
// There are no options to defragment this memory type.
// There are options to defragment this memory type.
if(canDefragmentOnCpu || canDefragmentOnGpu)
{
bool defragmentOnGpu;
// There is only one option to defragment this memory types.
// There is only one option to defragment this memory type.
if(canDefragmentOnGpu != canDefragmentOnCpu)
{
defragmentOnGpu = canDefragmentOnGpu;
@ -11459,7 +11446,7 @@ VkResult VmaBlockVector::Defragment(
const uint32_t maxAllocationsToMove = defragmentOnGpu ? maxGpuAllocationsToMove : maxCpuAllocationsToMove;
VmaVector< VmaDefragmentationMove, VmaStlAllocator<VmaDefragmentationMove> > moves =
VmaVector< VmaDefragmentationMove, VmaStlAllocator<VmaDefragmentationMove> >(VmaStlAllocator<VmaDefragmentationMove>(m_hAllocator->GetAllocationCallbacks()));
res = pDefragCtx->GetAlgorithm()->Defragment(moves, maxBytesToMove, maxAllocationsToMove);
pDefragCtx->res = pDefragCtx->GetAlgorithm()->Defragment(moves, maxBytesToMove, maxAllocationsToMove);
// Accumulate statistics.
if(pDefragmentationStats != VMA_NULL)
@ -11482,25 +11469,23 @@ VkResult VmaBlockVector::Defragment(
}
}
if(res >= VK_SUCCESS)
if(pDefragCtx->res >= VK_SUCCESS)
{
if(defragmentOnGpu)
{
res = ApplyDefragmentationMovesGpu(moves, commandBuffer);
ApplyDefragmentationMovesGpu(pDefragCtx, moves, commandBuffer);
}
else
{
res = ApplyDefragmentationMovesCpu(moves);
ApplyDefragmentationMovesCpu(pDefragCtx, moves);
}
}
if(res >= VK_SUCCESS)
if(pDefragCtx->res == VK_SUCCESS)
{
FreeEmptyBlocks(pDefragmentationStats);
}
}
return res;
}
void VmaBlockVector::MakePoolAllocationsLost(
@ -11666,7 +11651,7 @@ VkResult VmaDefragmentationAlgorithm::DefragmentRound(
if((m_AllocationsMoved + 1 > maxAllocationsToMove) ||
(m_BytesMoved + size > maxBytesToMove))
{
return VK_INCOMPLETE;
return VK_SUCCESS;
}
VmaDefragmentationMove move;
@ -11812,11 +11797,14 @@ VmaBlockVectorDefragmentationContext::VmaBlockVectorDefragmentationContext(
VmaAllocator hAllocator,
VmaPool hCustomPool,
VmaBlockVector* pBlockVector,
uint32_t currFrameIndex) :
uint32_t currFrameIndex,
VmaDefragmentationStats* pStats) :
res(VK_SUCCESS),
blockContexts(VmaStlAllocator<VmaBlockDefragmentationContext>(hAllocator->GetAllocationCallbacks())),
m_hAllocator(hAllocator),
m_hCustomPool(hCustomPool),
m_pBlockVector(pBlockVector),
m_pStats(pStats),
m_pAlgorithm(VMA_NULL)
{
m_pAlgorithm = vma_new(m_hAllocator, VmaDefragmentationAlgorithm)(
@ -11825,15 +11813,35 @@ VmaBlockVectorDefragmentationContext::VmaBlockVectorDefragmentationContext(
VmaBlockVectorDefragmentationContext::~VmaBlockVectorDefragmentationContext()
{
// Destroy buffers.
for(size_t blockIndex = blockContexts.size(); blockIndex--; )
{
VmaBlockDefragmentationContext& blockCtx = blockContexts[blockIndex];
if(blockCtx.hBuffer)
{
(*m_hAllocator->GetVulkanFunctions().vkDestroyBuffer)(
m_hAllocator->m_hDevice, blockCtx.hBuffer, m_hAllocator->GetAllocationCallbacks());
}
}
if(res >= VK_SUCCESS)
{
m_pBlockVector->FreeEmptyBlocks(m_pStats);
}
vma_delete(m_hAllocator, m_pAlgorithm);
}
////////////////////////////////////////////////////////////////////////////////
// VmaDefragmentationContext
VmaDefragmentationContext_T::VmaDefragmentationContext_T(VmaAllocator hAllocator, uint32_t currFrameIndex) :
VmaDefragmentationContext_T::VmaDefragmentationContext_T(
VmaAllocator hAllocator,
uint32_t currFrameIndex,
VmaDefragmentationStats* pStats) :
m_hAllocator(hAllocator),
m_CurrFrameIndex(currFrameIndex),
m_pStats(pStats),
m_CustomPoolContexts(VmaStlAllocator<VmaBlockVectorDefragmentationContext*>(hAllocator->GetAllocationCallbacks()))
{
memset(m_DefaultPoolContexts, 0, sizeof(m_DefaultPoolContexts));
@ -11889,7 +11897,8 @@ void VmaDefragmentationContext_T::AddAllocations(
m_hAllocator,
hAllocPool,
&hAllocPool->m_BlockVector,
m_CurrFrameIndex);
m_CurrFrameIndex,
m_pStats);
m_CustomPoolContexts.push_back(pBlockVectorDefragCtx);
}
}
@ -11905,7 +11914,8 @@ void VmaDefragmentationContext_T::AddAllocations(
m_hAllocator,
VMA_NULL, // hCustomPool
m_hAllocator->m_pBlockVectors[memTypeIndex],
m_CurrFrameIndex);
m_CurrFrameIndex,
m_pStats);
m_DefaultPoolContexts[memTypeIndex] = pBlockVectorDefragCtx;
}
}
@ -11943,18 +11953,19 @@ VkResult VmaDefragmentationContext_T::Defragment(
memTypeIndex < m_hAllocator->GetMemoryTypeCount() && res >= VK_SUCCESS;
++memTypeIndex)
{
if(m_DefaultPoolContexts[memTypeIndex])
VmaBlockVectorDefragmentationContext* pBlockVectorCtx = m_DefaultPoolContexts[memTypeIndex];
if(pBlockVectorCtx)
{
VMA_ASSERT(m_DefaultPoolContexts[memTypeIndex]->GetBlockVector());
VkResult localRes = m_DefaultPoolContexts[memTypeIndex]->GetBlockVector()->Defragment(
m_DefaultPoolContexts[memTypeIndex],
VMA_ASSERT(pBlockVectorCtx->GetBlockVector());
pBlockVectorCtx->GetBlockVector()->Defragment(
pBlockVectorCtx,
pStats,
maxCpuBytesToMove, maxCpuAllocationsToMove,
maxGpuBytesToMove, maxGpuAllocationsToMove,
commandBuffer);
if(localRes != VK_SUCCESS)
if(pBlockVectorCtx->res != VK_SUCCESS)
{
res = localRes;
res = pBlockVectorCtx->res;
}
}
}
@ -11964,16 +11975,17 @@ VkResult VmaDefragmentationContext_T::Defragment(
customCtxIndex < customCtxCount && res >= VK_SUCCESS;
++customCtxIndex)
{
VMA_ASSERT(m_CustomPoolContexts[customCtxIndex]->GetBlockVector());
VkResult localRes = m_CustomPoolContexts[customCtxIndex]->GetBlockVector()->Defragment(
m_CustomPoolContexts[customCtxIndex],
VmaBlockVectorDefragmentationContext* pBlockVectorCtx = m_CustomPoolContexts[customCtxIndex];
VMA_ASSERT(pBlockVectorCtx && pBlockVectorCtx->GetBlockVector());
pBlockVectorCtx->GetBlockVector()->Defragment(
pBlockVectorCtx,
pStats,
maxCpuBytesToMove, maxCpuAllocationsToMove,
maxGpuBytesToMove, maxGpuAllocationsToMove,
commandBuffer);
if(localRes != VK_SUCCESS)
if(pBlockVectorCtx->res != VK_SUCCESS)
{
res = localRes;
res = pBlockVectorCtx->res;
}
}
@ -13193,7 +13205,7 @@ VkResult VmaAllocator_T::DefragmentationBegin(
}
*pContext = vma_new(this, VmaDefragmentationContext_T)(
this, m_CurrentFrameIndex.load());
this, m_CurrentFrameIndex.load(), pStats);
(*pContext)->AddAllocations(
info.allocationCount, info.pAllocations, info.pAllocationsChanged);