From 5120b4f22e6342bef9c54d8927b5ed1740ad042a Mon Sep 17 00:00:00 2001
From: Maxime Chevalier-Boisvert <maximechevalierb@gmail.com>
Date: Wed, 11 Sep 2024 21:13:09 -0400
Subject: [PATCH] Enable vsync to avoid tearing

---
 vm/src/window.rs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/vm/src/window.rs b/vm/src/window.rs
index ba89c2b..745c972 100644
--- a/vm/src/window.rs
+++ b/vm/src/window.rs
@@ -86,7 +86,7 @@ pub fn window_create(thread: &mut Thread, width: Value, height: Value, title: Va
         .build()
         .unwrap();
 
-    let mut canvas = window.into_canvas().build().unwrap();
+    let mut canvas = window.into_canvas().present_vsync().build().unwrap();
 
     canvas.set_draw_color(Color::RGB(0, 0, 0));
     canvas.clear();
@@ -140,6 +140,9 @@ pub fn window_draw_frame(thread: &mut Thread, window_id: Value, src_addr: Value)
         window.canvas.window_mut().raise();
     }
 
+    // Clear the canvas
+    window.canvas.clear();
+
     // Update the texture
     let pitch = 4 * window.width as usize;
     let pixel_slice = unsafe { std::slice::from_raw_parts(data_ptr, data_len) };