Unreal Engine 4.26 Documentation

Unreal Engine 4.27 Documentation

Unreal Engine 5.0 Documentation

Unreal Engine 5.1 Documentation

Unreal Engine 5.2 Documentation

Unreal Engine 5.3 Documentation

Light Theme

Dark Theme

FGPUDefragAllocator::AllocateChunk

Marks the specified chunk as 'allocated' and updates tracking variables.

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

FMemoryChunk * AllocateChunk
(
    FMemoryChunk * FreeChunk,
    int64 AllocationSize,
    bool bAsync,
    bool bDoValidation
)

Remarks

Marks the specified chunk as 'allocated' and updates tracking variables. Splits the chunk if only a portion of it is allocated.

Returns

The memory chunk that was allocated (the original chunk could've been split).

Parameters

Parameter	Description
FreeChunk	Chunk to allocate
AllocationSize	Number of uint8s to allocate
bAsync	If true, allows allocating from relocating chunks and maint32ains the free-list sort order.
FreeChunk	Chunk to allocate
AllocationSize	Number of bytes to allocate
bAsync	If true, allows allocating from relocating chunks and maintains the free-list sort order.

Help shape the future of Unreal Engine documentation! Tell us how we're doing so we can serve you better.

Take our survey

Dismiss