parallel prepare threads and dither alpha

1 files changed, 6 insertions, 3 deletions

diff --git a/client/src/renderer.rs b/client/src/renderer.rs
index 473349d..3359b4e 100644
--- a/client/src/renderer.rs
+++ b/client/src/renderer.rs
@@ -115,12 +115,15 @@ impl<'a> Renderer<'a> {
         });
         let depth = depth.create_view(&TextureViewDescriptor::default());
 
-        {
+        for _ in 0..2 {
             let scene_prepare = scene_prepare.clone();
+            let downloader = downloader.clone();
             spawn(move || {
                 loop {
-                    scene_prepare.update(&downloader).unwrap();
-                    sleep(Duration::from_millis(50));
+                    let ndone = scene_prepare.update(&downloader).unwrap();
+                    if ndone == 0 {
+                        sleep(Duration::from_millis(50));
+                    }
                 }
             });
         }