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> Unreal Engine API Reference > Runtime > RHI > FDynamicRHI > FDynamicRHI::RHICalcVMTexture2DPlatformSize

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FDynamicRHI::RHICalcVMTexture2DPlatformSize

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References

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

Syntax

virtual uint64 RHICalcVMTexture2DPlatformSize
(
    uint32 Mip0Width,
    uint32 Mip0Height,
    uint8 Format,
    uint32 NumMips,
    uint32 FirstMipIdx,
    uint32 NumSamples,
    uint32 Flags,
    uint32 & OutAlign
)

Remarks

Computes the total size of a virtual memory (VM) based 2D texture with the specified parameters.

Parameters

Parameter	Description
Mip0Width	width of the top mip
Mip0Height	height of the top mip
Format	EPixelFormat texture format
NumMips	number of mips the texture has
FirstMipIdx	index of the first resident mip
NumSamples	number of MSAA samples, usually 1
Flags	ETextureCreateFlags creation flags
OutAlign	Alignment required for this texture. Output parameter.

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