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Optimized VmaBlockMetadata_Buddy - using VmaPoolAllocator to allocate nodes

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This commit is contained in:
Adam Sawicki 2021-10-30 12:51:36 +02:00
parent 41296759b9
commit 3f19f8ae39
1 changed files with 12 additions and 9 deletions
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21
include/vk_mem_alloc.h
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@ -5585,6 +5585,8 @@ private:
VkDeviceSize m_UsableSize;
uint32_t m_LevelCount;
VmaPoolAllocator<Node> m_NodeAllocator;
Node* m_Root;
struct {
Node* front;
@ -10651,6 +10653,8 @@ void VmaBlockMetadata_Linear::CleanupAfterFree()
VmaBlockMetadata_Buddy::VmaBlockMetadata_Buddy(const VkAllocationCallbacks* pAllocationCallbacks, bool isVirtual) :
VmaBlockMetadata(pAllocationCallbacks, isVirtual),
m_NodeAllocator(pAllocationCallbacks,
32), // firstBlockCapacity
m_Root(VMA_NULL),
m_AllocationCount(0),
m_FreeCount(1),
@ -10662,7 +10666,7 @@ VmaBlockMetadata_Buddy::VmaBlockMetadata_Buddy(const VkAllocationCallbacks* pAll
VmaBlockMetadata_Buddy::~VmaBlockMetadata_Buddy()
{
DeleteNodeChildren(m_Root);
vma_delete(GetAllocationCallbacks(), m_Root);
m_NodeAllocator.Free(m_Root);
}
void VmaBlockMetadata_Buddy::Init(VkDeviceSize size)
@ -10681,7 +10685,7 @@ void VmaBlockMetadata_Buddy::Init(VkDeviceSize size)
++m_LevelCount;
}
Node* rootNode = vma_new(GetAllocationCallbacks(), Node)();
Node* rootNode = m_NodeAllocator.Alloc();
rootNode->offset = 0;
rootNode->type = Node::TYPE_FREE;
rootNode->parent = VMA_NULL;
@ -10912,8 +10916,8 @@ void VmaBlockMetadata_Buddy::Alloc(
const uint32_t childrenLevel = currLevel + 1;
// Create two free sub-nodes.
Node* leftChild = vma_new(GetAllocationCallbacks(), Node)();
Node* rightChild = vma_new(GetAllocationCallbacks(), Node)();
Node* leftChild = m_NodeAllocator.Alloc();
Node* rightChild = m_NodeAllocator.Alloc();
leftChild->offset = currNode->offset;
leftChild->type = Node::TYPE_FREE;
@ -10974,8 +10978,8 @@ void VmaBlockMetadata_Buddy::DeleteNodeChildren(Node* node)
DeleteNodeChildren(node->split.leftChild->buddy);
DeleteNodeChildren(node->split.leftChild);
const VkAllocationCallbacks* allocationCallbacks = GetAllocationCallbacks();
vma_delete(allocationCallbacks, node->split.leftChild->buddy);
vma_delete(allocationCallbacks, node->split.leftChild);
m_NodeAllocator.Free(node->split.leftChild->buddy);
m_NodeAllocator.Free(node->split.leftChild);
}
}
@ -11023,7 +11027,6 @@ VmaBlockMetadata_Buddy::Node* VmaBlockMetadata_Buddy::FindAllocationNode(VkDevic
bool VmaBlockMetadata_Buddy::ValidateNode(ValidationContext& ctx, const Node* parent, const Node* curr, uint32_t level, VkDeviceSize levelNodeSize) const
{
VMA_ASSERT(!IsVirtual()); // TODO
VMA_VALIDATE(level < m_LevelCount);
VMA_VALIDATE(curr->parent == parent);
VMA_VALIDATE((curr->buddy == VMA_NULL) == (parent == VMA_NULL));
@ -11100,8 +11103,8 @@ void VmaBlockMetadata_Buddy::FreeAtOffset(VkDeviceSize offset)
RemoveFromFreeList(level, node->buddy);
Node* const parent = node->parent;
vma_delete(GetAllocationCallbacks(), node->buddy);
vma_delete(GetAllocationCallbacks(), node);
m_NodeAllocator.Free(node->buddy);
m_NodeAllocator.Free(node);
parent->type = Node::TYPE_FREE;
node = parent;