---
title: inputWidth
framework: MetalFX
role: symbol
role_heading: Instance Property
platforms: [iOS 26.0+, iPadOS 26.0+, Mac Catalyst 26.0+, macOS 26.0+, tvOS 27.1+]
path: metalfx/mtlfxframeinterpolatordescriptor/inputwidth
---

# inputWidth

The width, in pixels, of the input motion and depth texture for the frame interpolator.

## Declaration

```swift
var inputWidth: Int { get set }
```