---
title: roughnessTextureUsage
framework: metalfx
role: symbol
role_heading: Instance Property
path: metalfx/mtlfxtemporaldenoisedscalerbase/roughnesstextureusage
---

# roughnessTextureUsage

The minimal texture usage options that your app’s input roughness texture needs in order to support this denoiser scaler.

## Declaration

```swift
var roughnessTextureUsage: MTLTextureUsage { get }
```