Added a check to see if the instance and physical device are valid be…

…fore running
ThomasJowett · Jun 9, 2023 · 6157b56 · 6157b56
1 parent 4aca2ab
commit 6157b56
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/src/main.rs b/src/main.rs
@@ -110,6 +110,14 @@ mod halvar {
         }
 
         pub fn run(self) {
+            if Arc::strong_count(&self.instance) == 0 {
+                println!("Cannot run application without a vulkan instance");
+                return;
+            }
+            if Arc::strong_count(&self.physical_device) == 0 {
+                println!("Cannot run application without a physical rendering device");
+                return;
+            }
             self.event_loop
                 .run(move |event, _, control_flow| match event {
                     Event::WindowEvent {