A single render task issued in conjunction with CIRenderDestination.
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class CIRenderTask : NSObject
A CIRenderTask object appears in Xcode Quick Look as a graph.
func waitUntilCompleted() -> CIRenderInfo
Waits until the CIRenderTask finishes and returns.
A specification for configuring all attributes of a render task's destination and issuing asynchronous render tasks.
An encapsulation of a render task's timing, passes, and pixels processed.