The 'Total Update' timing tree (per-frame demand updates)
OptionalrefinementRoot: TimingEntry
Optional 'LOD Refinement' tree (background passes), rendered as a second section below the main tree when it has data
OptionaldepthSortRoot: TimingEntry
Optional 'Depth Sort' tree (camera-triggered re-sorts)
OptionaldepthSortUnavailable: boolean
True once the depth-sort subsystem has given up for this session; reported in the footer instead of a sort count, and keeps the panel out of its empty state so the notice cannot be buried
Render the complete hierarchical timing panel Aggregates performance data by node type (Points, Lines, GSplats) instead of individual nodes.