---
title: "init(coder:device:)"
framework: metalperformanceshaders
role: symbol
role_heading: Initializer
path: "metalperformanceshaders/mpscnnpooling/init(coder:device:)"
---

# init(coder:device:)

Initializes a pooling filter.

## Declaration

```swift
init?(coder aDecoder: NSCoder, device: any MTLDevice)
```

## See Also

### Instance Methods

- [init(device:kernelWidth:kernelHeight:)](metalperformanceshaders/mpscnnpooling/init(device:kernelwidth:kernelheight:).md)
- [init(device:kernelWidth:kernelHeight:strideInPixelsX:strideInPixelsY:)](metalperformanceshaders/mpscnnpooling/init(device:kernelwidth:kernelheight:strideinpixelsx:strideinpixelsy:).md)