Capacity hints for the worker-side occluder store.
uniqueMeshes / vertexCount / indexCount are retained for API
compatibility; geometry is stored per-mesh in the worker and no longer
packed into a shared scene buffer.
vertexCount is the number of xyz vertices (not floats).
Capacity hints for the worker-side occluder store.
uniqueMeshes/vertexCount/indexCountare retained for API compatibility; geometry is stored per-mesh in the worker and no longer packed into a shared scene buffer.vertexCountis the number of xyz vertices (not floats).