---
title: "init(forOfflineGPUAt:colorSpace:options:sharedContext:)"
framework: coreimage
role: symbol
role_heading: Initializer
path: "coreimage/cicontext/init(forofflinegpuat:colorspace:options:sharedcontext:)"
---

# init(forOfflineGPUAt:colorSpace:options:sharedContext:)

## Declaration

```swift
init?(forOfflineGPUAt index: UInt32, colorSpace: CGColorSpace?, options: [CIContextOption : Any]? = nil, sharedContext: CGLContextObj?)
```