From d3429fa37de9d03a84af4a3e4e04419441d9f465 Mon Sep 17 00:00:00 2001
From: Victor Berger <vberger@users.noreply.github.com>
Date: Sat, 10 Oct 2020 20:31:44 +0200
Subject: [PATCH] anvil: send frame callback before blocking to draw on winit

---
 anvil/src/winit.rs | 15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)

diff --git a/anvil/src/winit.rs b/anvil/src/winit.rs
index 4f3c6a4..01fc281 100644
--- a/anvil/src/winit.rs
+++ b/anvil/src/winit.rs
@@ -98,6 +98,13 @@ pub fn run_winit(
             .dispatch_new_events(|event, _| state.process_input_event(event))
             .unwrap();
 
+        // Send frame events so that client start drawing their next frame
+        state
+            .window_map
+            .borrow()
+            .send_frames(start_time.elapsed().as_millis() as u32);
+        display.borrow_mut().flush_clients(&mut state);
+
         // drawing logic
         {
             use glium::Surface;
@@ -140,13 +147,7 @@ pub fn run_winit(
                 error!(log, "Error during rendering: {:?}", err);
             }
         }
-        // Send frame events so that client start drawing their next frame
-        state
-            .window_map
-            .borrow()
-            .send_frames(start_time.elapsed().as_millis() as u32);
-        display.borrow_mut().flush_clients(&mut state);
-
+        
         if event_loop
             .dispatch(Some(Duration::from_millis(16)), &mut state)
             .is_err()