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> Unreal Engine API Reference > Runtime > RHI > FGPUDefragAllocator > FGPUDefragAllocator::Reallocate

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FGPUDefragAllocator::Reallocate

Tries to reallocate texture memory in-place (without relocating), by adjusting the base address of the allocation but keeping the end address the same.

Windows

MacOS

Linux

References

Module	RHI
Header	/Engine/Source/Runtime/RHI/Public/GPUDefragAllocator.h
Include	#include "GPUDefragAllocator.h"
Source	/Engine/Source/Runtime/RHI/Private/GPUDefragAllocator.cpp

Syntax

void * Reallocate
(
void * OldBaseAddress,
int64 NewSize
)

Remarks

Tries to reallocate texture memory in-place (without relocating), by adjusting the base address of the allocation but keeping the end address the same.

Newly freed memory due to shrinking won't be available for allocation right away (need GPU sync). Tries to reallocate texture memory in-place (without relocating), by adjusting the base address of the allocation but keeping the end address the same.

Returns

New base address if it succeeded, otherwise nullptr

Parameters

Parameter	Description
OldBaseAddress	Pointer to the original allocation
OldBaseAddress	Pointer to the original allocation

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