warp.bvh_get_group_root#
- warp.bvh_get_group_root(id: uint64, group: int32) int#
Kernel
Get the root of a group in a BVH.
- Parameters:
id – The BVH identifier
group – The group identifier
- Returns:
- The root node index for the specified group. If the group does not exist, returns
-1 (sentinel for the BVH global root). Pass
-1to BVH queries to traverse from the global root.
- The root node index for the specified group. If the group does not exist, returns