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