---
title: "init(device:cnnConvolutionDescriptor:)"
framework: metalperformanceshaders
role: symbol
role_heading: Initializer
path: "metalperformanceshaders/mpscnnconvolutionweightsandbiasesstate/init(device:cnnconvolutiondescriptor:)"
---

# init(device:cnnConvolutionDescriptor:)

## Declaration

```swift
init(device: any MTLDevice, cnnConvolutionDescriptor descriptor: MPSCNNConvolutionDescriptor)
```