The Metal command queue this renderer uses for rendering.
- iOS 9.0+
- macOS 10.11+
- Mac Catalyst 13.0+
- tvOS 9.0+
Use this property to schedule additional command buffers for the Metal device to execute as part of the render cycle. For example, you can use a compute command encoder to modify the vertex data in a Metal buffer for use by a SCNGeometrySource object.