Use built-in OpenGL multisampling in iced_glow

glutin/src/application.rs

@@ -51,6 +51,7 @@ pub fn run<A, E, C>(
 
         let context = ContextBuilder::new()
             .with_vsync(true)
+            .with_multisampling(C::sample_count(&compositor_settings) as u16)
             .build_windowed(builder, &event_loop)
             .expect("Open window");