FD3D12MultiBuddyAllocator Class Reference

#include <D3D12Allocation.h>

Inheritance diagram for FD3D12MultiBuddyAllocator:

Public Member Functions
	FD3D12MultiBuddyAllocator (FD3D12Device *ParentDevice, FRHIGPUMask VisibleNodes, const FD3D12ResourceInitConfig &InInitConfig, const FString &Name, EResourceAllocationStrategy InAllocationStrategy, uint32 InMaxAllocationSize, uint32 InDefaultPoolSize, uint32 InMinBlockSize, HeapId InTraceParentHeapId)
	~FD3D12MultiBuddyAllocator ()
const EResourceAllocationStrategy	GetAllocationStrategy () const
bool	TryAllocate (uint32 SizeInBytes, uint32 Alignment, FD3D12ResourceLocation &ResourceLocation)
void	Deallocate (FD3D12ResourceLocation &ResourceLocation)
void	Initialize ()
void	Destroy ()
void	CleanUpAllocations (uint64 InFrameLag)
void	DumpAllocatorStats (class FOutputDevice &Ar)
void	UpdateMemoryStats (uint32 &IOMemoryAllocated, uint32 &IOMemoryUsed, uint32 &IOMemoryFree, uint32 &IOAlignmentWaste, uint32 &IOAllocatedPageCount, uint32 &IOFullPageCount)
void	ReleaseAllResources ()
void	Reset ()
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 Member Functions
FD3D12BuddyAllocator *	CreateNewAllocator (uint32 InMinSizeInBytes)

Protected Attributes
const EResourceAllocationStrategy	AllocationStrategy
const uint32	MinBlockSize
const uint32	DefaultPoolSize
TArray< FD3D12BuddyAllocator * >	Allocators
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

FD3D12MultiBuddyAllocator()

FD3D12MultiBuddyAllocator::FD3D12MultiBuddyAllocator	(	FD3D12Device *	ParentDevice,
		FRHIGPUMask	VisibleNodes,
		const FD3D12ResourceInitConfig &	InInitConfig,
		const FString &	Name,
		EResourceAllocationStrategy	InAllocationStrategy,
		uint32	InMaxAllocationSize,
		uint32	InDefaultPoolSize,
		uint32	InMinBlockSize,
		HeapId	InTraceParentHeapId
	)

~FD3D12MultiBuddyAllocator()

FD3D12MultiBuddyAllocator::~FD3D12MultiBuddyAllocator

(

)

Member Function Documentation

CleanUpAllocations()

void FD3D12MultiBuddyAllocator::CleanUpAllocations

(

uint64

InFrameLag

)

CreateNewAllocator()

FD3D12BuddyAllocator * FD3D12MultiBuddyAllocator::CreateNewAllocator ( uint32  InMinSizeInBytes )

protected

Deallocate()

void FD3D12MultiBuddyAllocator::Deallocate

(

FD3D12ResourceLocation &

ResourceLocation

)

Destroy()

void FD3D12MultiBuddyAllocator::Destroy

(

)

DumpAllocatorStats()

void FD3D12MultiBuddyAllocator::DumpAllocatorStats

(

class FOutputDevice &

Ar

)

GetAllocationStrategy()

const EResourceAllocationStrategy FD3D12MultiBuddyAllocator::GetAllocationStrategy ( ) const

inline

Initialize()

void FD3D12MultiBuddyAllocator::Initialize

(

)

ReleaseAllResources()

void FD3D12MultiBuddyAllocator::ReleaseAllResources

(

)

Reset()

void FD3D12MultiBuddyAllocator::Reset

(

)

TryAllocate()

bool FD3D12MultiBuddyAllocator::TryAllocate	(	uint32	SizeInBytes,
		uint32	Alignment,
		FD3D12ResourceLocation &	ResourceLocation
	)

UpdateMemoryStats()

void FD3D12MultiBuddyAllocator::UpdateMemoryStats	(	uint32 &	IOMemoryAllocated,
		uint32 &	IOMemoryUsed,
		uint32 &	IOMemoryFree,
		uint32 &	IOAlignmentWaste,
		uint32 &	IOAllocatedPageCount,
		uint32 &	IOFullPageCount
	)

Member Data Documentation

AllocationStrategy

const EResourceAllocationStrategy FD3D12MultiBuddyAllocator::AllocationStrategy

protected

Allocators

TArray<FD3D12BuddyAllocator*> FD3D12MultiBuddyAllocator::Allocators

protected

DefaultPoolSize

const uint32 FD3D12MultiBuddyAllocator::DefaultPoolSize

protected

MinBlockSize

const uint32 FD3D12MultiBuddyAllocator::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