Type Property

priorityRequestLow

A key for enabling low-priority GPU use.

Declaration

static let priorityRequestLow: CIContextOption

Discussion

The value for this key is an NSNumber object containing a Boolean value. If this value is true, use of the Core Image context from a background thread takes lower priority than GPU usage from the main thread, allowing your app to perform Core Image rendering without disturbing the frame rate of UI animations.

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