FD3D12BuddyAllocator Class Reference

#include <D3D12Allocation.h>

Inheritance diagram for FD3D12BuddyAllocator:

Public Member Functions
	FD3D12BuddyAllocator (FD3D12Device *ParentDevice, FRHIGPUMask VisibleNodes, const FD3D12ResourceInitConfig &InInitConfig, const FString &Name, EResourceAllocationStrategy InAllocationStrategy, uint32 MaxSizeForPooling, uint32 InMaxBlockSize, uint32 InMinBlockSize, HeapId InTraceParentHeapId)
bool	TryAllocate (uint32 SizeInBytes, uint32 Alignment, FD3D12ResourceLocation &ResourceLocation)
void	Deallocate (FD3D12ResourceLocation &ResourceLocation)
void	Initialize ()
void	Destroy ()
void	CleanUpAllocations ()
void	DumpAllocatorStats (class FOutputDevice &Ar)
void	UpdateMemoryStats (uint32 &IOMemoryAllocated, uint32 &IOMemoryUsed, uint32 &IOMemoryFree, uint32 &IOAlignmentWaste, uint32 &IOAllocatedPageCount, uint32 &IOFullPageCount)
void	ReleaseAllResources ()
void	Reset ()
bool	IsEmpty ()
uint64	GetLastUsedFrameFence () const
uint32	GetTotalSizeUsed () const
uint64	GetAllocationOffsetInBytes (const FD3D12BuddyAllocatorPrivateData &AllocatorPrivateData) const
FD3D12Heap *	GetBackingHeap ()
bool	IsOwner (FD3D12ResourceLocation &ResourceLocation)
Public Member Functions inherited from FD3D12ResourceAllocator
	FD3D12ResourceAllocator (FD3D12Device *ParentDevice, FRHIGPUMask VisibleNodes, const FD3D12ResourceInitConfig &InInitConfig, const FString &Name, uint32 MaxSizeForPooling)
	~FD3D12ResourceAllocator ()
const FD3D12ResourceInitConfig &	GetInitConfig () const
const uint32	GetMaximumAllocationSizeForPooling () const
Public Member Functions inherited from FD3D12DeviceChild
	FD3D12DeviceChild (FD3D12Device *InParent=nullptr)
FORCEINLINE FD3D12Device *	GetParentDevice () const
FD3D12Device *	GetParentDevice_Unsafe () const
Public Member Functions inherited from FD3D12MultiNodeGPUObject
	FD3D12MultiNodeGPUObject (FRHIGPUMask NodeMask, FRHIGPUMask VisibiltyMask)
Public Member Functions inherited from FD3D12GPUObject
	FD3D12GPUObject (FRHIGPUMask InGPUMask, FRHIGPUMask InVisibiltyMask)
SGPU_CONSTEXPR FRHIGPUMask	GetGPUMask () const
SGPU_CONSTEXPR FRHIGPUMask	GetVisibilityMask () const

Protected Attributes
const uint32	MaxBlockSize
const uint32	MinBlockSize
const EResourceAllocationStrategy	AllocationStrategy
TRefCountPtr< FD3D12Resource >	BackingResource
TRefCountPtr< FD3D12Heap >	BackingHeap
Protected Attributes inherited from FD3D12ResourceAllocator
const FD3D12ResourceInitConfig	InitConfig
const FString	DebugName
bool	Initialized
const uint32	MaximumAllocationSizeForPooling
FCriticalSection	CS
uint32	SpaceAlignedUsed
uint32	SpaceActualUsed
uint32	NumBlocksInDeferredDeletionQueue
uint32	PeakUsage
uint32	FailedAllocationSpace
Protected Attributes inherited from FD3D12DeviceChild
FD3D12Device *	Parent

Constructor & Destructor Documentation

FD3D12BuddyAllocator()

FD3D12BuddyAllocator::FD3D12BuddyAllocator	(	FD3D12Device *	ParentDevice,
		FRHIGPUMask	VisibleNodes,
		const FD3D12ResourceInitConfig &	InInitConfig,
		const FString &	Name,
		EResourceAllocationStrategy	InAllocationStrategy,
		uint32	MaxSizeForPooling,
		uint32	InMaxBlockSize,
		uint32	InMinBlockSize,
		HeapId	InTraceParentHeapId
	)

Member Function Documentation

CleanUpAllocations()

void FD3D12BuddyAllocator::CleanUpAllocations

(

)

Deallocate()

void FD3D12BuddyAllocator::Deallocate

(

FD3D12ResourceLocation &

ResourceLocation

)

Destroy()

void FD3D12BuddyAllocator::Destroy

(

)

DumpAllocatorStats()

void FD3D12BuddyAllocator::DumpAllocatorStats

(

class FOutputDevice &

Ar

)

GetAllocationOffsetInBytes()

uint64 FD3D12BuddyAllocator::GetAllocationOffsetInBytes ( const FD3D12BuddyAllocatorPrivateData &  AllocatorPrivateData ) const

inline

GetBackingHeap()

FD3D12Heap * FD3D12BuddyAllocator::GetBackingHeap ( )

inline

GetLastUsedFrameFence()

uint64 FD3D12BuddyAllocator::GetLastUsedFrameFence ( ) const

inline

GetTotalSizeUsed()

uint32 FD3D12BuddyAllocator::GetTotalSizeUsed ( ) const

inline

Initialize()

void FD3D12BuddyAllocator::Initialize

(

)

IsEmpty()

bool FD3D12BuddyAllocator::IsEmpty ( )

inline

IsOwner()

bool FD3D12BuddyAllocator::IsOwner ( FD3D12ResourceLocation &  ResourceLocation )

inline

ReleaseAllResources()

void FD3D12BuddyAllocator::ReleaseAllResources

(

)

Reset()

void FD3D12BuddyAllocator::Reset

(

)

TryAllocate()

bool FD3D12BuddyAllocator::TryAllocate	(	uint32	SizeInBytes,
		uint32	Alignment,
		FD3D12ResourceLocation &	ResourceLocation
	)

UpdateMemoryStats()

void FD3D12BuddyAllocator::UpdateMemoryStats	(	uint32 &	IOMemoryAllocated,
		uint32 &	IOMemoryUsed,
		uint32 &	IOMemoryFree,
		uint32 &	IOAlignmentWaste,
		uint32 &	IOAllocatedPageCount,
		uint32 &	IOFullPageCount
	)

Member Data Documentation

AllocationStrategy

const EResourceAllocationStrategy FD3D12BuddyAllocator::AllocationStrategy

protected

BackingHeap

TRefCountPtr<FD3D12Heap> FD3D12BuddyAllocator::BackingHeap

protected

BackingResource

TRefCountPtr<FD3D12Resource> FD3D12BuddyAllocator::BackingResource

protected

MaxBlockSize

const uint32 FD3D12BuddyAllocator::MaxBlockSize

protected

MinBlockSize

const uint32 FD3D12BuddyAllocator::MinBlockSize

protected

---

The documentation for this class was generated from the following files:

• Engine/Source/Runtime/D3D12RHI/Private/D3D12Allocation.h
• Engine/Source/Runtime/D3D12RHI/Private/D3D12Allocation.cpp