CalcTextureMipMapSize

Calculates the amount of memory used for a single mip-map of a texture.

Windows
MacOS
Linux

References

Module

RenderCore

Header

/Engine/Source/Runtime/RenderCore/Public/RenderUtils.h

Include

#include "RenderUtils.h"

Source

/Engine/Source/Runtime/RenderCore/Private/RenderUtils.cpp

Syntax

SIZE_T CalcTextureMipMapSize
(
    uint32 TextureSizeX,
    uint32 TextureSizeY,
    EPixelFormat Format,
    uint32 MipIndex
)

Remarks

Calculates the amount of memory used for a single mip-map of a texture.

Parameters

Parameter

Description

TextureSizeX

Number of horizontal texels (for the base mip-level)

TextureSizeY

Number of vertical texels (for the base mip-level)

Format

Texture format

MipIndex

The index of the mip-map to compute the size of.

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