---
title: "init(featureChannelOffset:numberOfFeatureChannelsToReadWrite:)"
framework: metalperformanceshaders
role: symbol
role_heading: Initializer
path: "metalperformanceshaders/mpsimagereadwriteparams/init(featurechanneloffset:numberoffeaturechannelstoreadwrite:)"
---

# init(featureChannelOffset:numberOfFeatureChannelsToReadWrite:)

## Declaration

```swift
init(featureChannelOffset: Int, numberOfFeatureChannelsToReadWrite: Int)
```