The depth-sort coordinator's scheduler: the single-in-flight sort dispatch
and its resolve/apply handling (scheduleSort), the per-frame chunked
apply pump, and the Phase-3 camera-motion re-sort pass
(evaluateDepthSortPerFrame) that also drives the cross-node
renderOrder assignment.
The depth-sort coordinator's scheduler: the single-in-flight sort dispatch and its resolve/apply handling (scheduleSort), the per-frame chunked apply pump, and the Phase-3 camera-motion re-sort pass (evaluateDepthSortPerFrame) that also drives the cross-node renderOrder assignment.