Method poll_future

draw/src/glutin_runtime.rs:362–377

Causes the future with the specified ID to be polled

(&mut self, future_id: u64)

    /// Causes the future with the specified ID to be polled
    ///
    fn poll_future(&mut self, future_id: u64) {
        if let Some(future) = self.futures.get_mut(&future_id) {
            // Create a context to poll this future in
            let glutin_waker        = GlutinFutureWaker { future_id: Mutex::new(Some(future_id)) };
            let glutin_waker        = task::waker(Arc::new(glutin_waker));
            let mut glutin_context  = task::Context::from_waker(&glutin_waker);

            // Poll the future
            let poll_result         = future.poll_unpin(&mut glutin_context);

            // Remove the future from the list if it has completed
            if let task::Poll::Ready(_) = poll_result {
                self.futures.remove(&future_id);
            }
        }
    }
}

impl task::ArcWake for GlutinFutureWaker {