---
title: outputOffsetX
framework: MetalFX
role: symbol
role_heading: Instance Property
platforms: [iOS 27.0+, iPadOS 27.0+, Mac Catalyst 27.0+, macOS 27.0+, tvOS 27.1+]
path: metalfx/mtlfxframeinterpolatorbase/outputoffsetx
---

# outputOffsetX

The horizontal offset, in pixels, of the region within the output texture to write results. For regions outside the contents of the colorTexture are copied.

## Declaration

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