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Fix memstack not freeing right size block

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Doyle Thai 2018-01-20 21:08:04 +11:00
parent 121c630126
commit 7e996981d6
1 changed files with 7 additions and 1 deletions
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8
dqn.h
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@ -2918,6 +2918,7 @@ FILE_SCOPE void DqnMemAPIInternal_UpdateAPIStatistics(DqnMemAPI *api, DqnMemAPI:
if (request_->type == DqnMemAPI::Type::Free) if (request_->type == DqnMemAPI::Type::Free)
{ {
auto *request = &request_->free; auto *request = &request_->free;
api->bytesAllocated -= request->sizeToFree;
api->lifetimeBytesFreed += request->sizeToFree; api->lifetimeBytesFreed += request->sizeToFree;
return; return;
} }
@ -3140,6 +3141,7 @@ DQN_FILE_SCOPE DqnMemStack::Block *DqnMemStackInternal_AllocateBlock(u32 byteAli
return nullptr; return nullptr;
} }
// TODO(doyle): Maybe remove this? and just do 2 allocations, this increases complexity by alot.
size_t alignedSize = DQN_ALIGN_POW_N(size, byteAlign); size_t alignedSize = DQN_ALIGN_POW_N(size, byteAlign);
size_t totalSize = alignedSize + sizeof(DqnMemStack::Block) + (byteAlign -1); size_t totalSize = alignedSize + sizeof(DqnMemStack::Block) + (byteAlign -1);
@ -3376,7 +3378,11 @@ bool DqnMemStack::FreeMemBlock(DqnMemStack::Block *memBlock)
{ {
DqnMemStack::Block *blockToFree = *blockPtr; DqnMemStack::Block *blockToFree = *blockPtr;
(*blockPtr) = blockToFree->prevBlock; (*blockPtr) = blockToFree->prevBlock;
this->memAPI->Free(blockToFree, blockToFree->size);
// TODO(doyle): Maybe remove this? and just do 2 allocations, this increases complexity by alot.
size_t alignedSize = DQN_ALIGN_POW_N (blockToFree->size, this->byteAlign);
size_t realSize = alignedSize + sizeof(DqnMemStack::Block) + (this->byteAlign - 1);
this->memAPI->Free(blockToFree, realSize);
// No more blocks, then last block has been freed // No more blocks, then last block has been freed
if (!this->block) DQN_ASSERT(this->tempRegionCount == 0); if (!this->block) DQN_ASSERT(this->tempRegionCount == 0);