---
title: exposureTexture
framework: metalfx
role: symbol
role_heading: Instance Property
path: metalfx/mtlfxtemporaldenoisedscalerbase/exposuretexture
---

# exposureTexture

An exposure texture that this denoiser scaler evaluates.

## Declaration

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

## Discussion

Discussion Create and assign a 1x1  MTLPixelFormatR16Float  texture to assign to this property. MetalFX reads the R channel of the texel at position (0,0) and uses it as the exposure value. It then uses this value to multiply the input color. For best performance, use the GPU to generate the exposure value and store it into this texture. note: The temporal scaler ignores this property if you create it with a descriptor that has its isAutoExposureEnabled property set to true.