---
title: roughnessTexture
framework: metalfx
role: symbol
role_heading: Instance Property
path: metalfx/mtlfxtemporaldenoisedscalerbase/roughnesstexture
---

# roughnessTexture

The roughness texture this scaler evaluates.

## Declaration

```swift
var roughnessTexture: (any MTLTexture)? { get set }
```

## Discussion

Discussion You are responsible for ensuring the usage and pixel format of the texture you assign to this property matches the texture usage roughnessTextureUsage requests and the pixel format that roughnessTextureFormat requests.