ReadonlygenerationAny number that tells trees apart; echoed in the stats.
ReadonlyleafEvery leaf child slot, in primitive order (leafSlotsOf).
ReadonlynodeReadonlynodeWhere node 0 starts in the tree buffer, in 32-bit words.
ReadonlyparentParent of each node as a child slot (parent * 2 + side), or GPU_LAYOUT_NO_PARENT for the root.
The tree shape the refit needs, from whoever built the tree.