main loop dispatch without blocking

src/main.rs

@@ -122,9 +122,11 @@ fn main() -> Result<()> {
     // layer_surface.set_margin(10, 10, 10, 10);
     // surface.commit();
 
+    queue.flush()?;
+
     loop {
-        debug!("dispatched!");
-        queue.blocking_dispatch(&mut state)?;
+        debug!("loop iteration!");
+        poll_fn(|cx| queue.poll_dispatch_pending(cx, &mut state)).await?;
     }
 }