---
title: "init(coder:device:)"
framework: metalperformanceshaders
role: symbol
role_heading: Initializer
path: "metalperformanceshaders/mpscnnpoolingl2norm/init(coder:device:)"
---

# init(coder:device:)

Initializes an L2-norm pooling filter.

## Declaration

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

## See Also

### Initializers

- [init(device:kernelWidth:kernelHeight:strideInPixelsX:strideInPixelsY:)](metalperformanceshaders/mpscnnpoolingl2norm/init(device:kernelwidth:kernelheight:strideinpixelsx:strideinpixelsy:).md)