Function registry

src/picking.rs:278–280

()

static REGISTRY: OnceLock<Mutex<HashMap<u64, InstanceEntry>>> = OnceLock::new();

fn registry() -> &'static Mutex<HashMap<u64, InstanceEntry>> {
    REGISTRY.get_or_init(|| Mutex::new(HashMap::new()))
}

fn submit_request(instance_id: u64, req: GpuPickRequest) {
    let mut map = registry().lock().unwrap();