Add TODO

crates/bevy_pbr/src/meshlet/from_mesh.rs

@@ -244,7 +244,7 @@ fn group_meshlets(
  xadj.push(adjncy.len() as i32);
 
  let mut group_per_meshlet = vec![0; simplification_queue.len()];
- let partition_count = simplification_queue.len().div_ceil(4);
+ let partition_count = simplification_queue.len().div_ceil(4); // TODO: Nanite uses groups of 8-32, probably based on some kind of heuristic
  Graph::new(1, partition_count as i32, &xadj, &adjncy)
  .unwrap()
  .set_adjwgt(&adjwgt)