MDLLightProbeIrradianceDataSource
Adopt this protocol to provide information for use in automatic placement of light probes around a scene.
Declaration
protocol MDLLightProbeIrradianceDataSource : NSObjectProtocolOverview
The MDLAsset placeLightProbes(withDensity:heuristic:using:) method automatically creates MDLLightProbe objects, setting their positions and lighting parameters to provide optimal light probe coverage within a scene you define. When you use that method, you must provide an object implementing this protocol, which Model I/O queries in order to evaluate your scene.