---
title: "init(device:paddingSizeBefore:paddingSizeAfter:)"
framework: metalperformanceshaders
role: symbol
role_heading: Initializer
path: "metalperformanceshaders/mpsnnpad/init(device:paddingsizebefore:paddingsizeafter:)"
---

# init(device:paddingSizeBefore:paddingSizeAfter:)

## Declaration

```swift
convenience init(device: any MTLDevice, paddingSizeBefore: MPSImageCoordinate, paddingSizeAfter: MPSImageCoordinate)
```