FRHIPoolAllocator | Unreal Engine 5.7 Documentation

Manages an array of FRHIMemoryPool and supports defragmentation between multiple pools


Name	FRHIPoolAllocator
Type	class
Header File	/Engine/Source/Runtime/RHICore/Public/RHIPoolAllocator.h
Include Path	#include "RHIPoolAllocator.h"

Syntax

class FRHIPoolAllocator

Name	Remarks	Include Path	Unreal Specifiers
FRHIPoolAllocator ( uint64 InDefaultPoolSize, uint32 InPoolAlignment, uint32 InMaxAllocationSize, FRHIMemoryPool::EFreeListOrder InFreeListOrder, bool InDefragEnabled )	Constructor.	RHIPoolAllocator.h

Name	Remarks	Include Path	Unreal Specifiers
virtual ~FRHIPoolAllocator()		RHIPoolAllocator.h

Name	Remarks	Include Path
void Defrag ( FRHIContextArray const& Contexts, uint32 InMaxCopySize, uint32& CurrentCopySize )	Defrag & cleanup operation.	RHIPoolAllocator.h
void Destroy()		RHIPoolAllocator.h
void Initialize()	Setup/Shutdown.	RHIPoolAllocator.h
void UpdateMemoryStats ( uint32& IOMemoryAllocated, uint32& IOMemoryUsed, uint32& IOMemoryFree, uint32& IOMemoryEndFree, uint32& IOAlignmentWaste, uint32& IOAllocatedPageCount, uint32& IOFullPageCount )	Stats.	RHIPoolAllocator.h

Name	Remarks	Include Path
FRHIMemoryPool * CreateNewPool ( int16 InPoolIndex, uint32 InMinimumAllocationSize, ERHIPoolResourceTypes InAllocationResourceType )	Helper function to create a new platform specific pool.	RHIPoolAllocator.h
void DeallocateInternal ( FRHIPoolAllocationData& AllocationData )		RHIPoolAllocator.h
bool HandleDefragRequest ( FRHIContextArray const& Contexts, FRHIPoolAllocationData* InSourceBlock, FRHIPoolAllocationData& InTmpTargetBlock )		RHIPoolAllocator.h
void SortPools()		RHIPoolAllocator.h
bool TryAllocateInternal ( uint32 InSizeInBytes, uint32 InAllocationAlignment, ERHIPoolResourceTypes InAllocationResourceType, FRHIPoolAllocationData& AllocationData )	Supported allocator operations.	RHIPoolAllocator.h