Fixing #200

code/intermediate/tutorial13-threading/src/main.rs

@@ -522,13 +522,15 @@ impl State {
     }
 
     fn resize(&mut self, new_size: winit::dpi::PhysicalSize<u32>) {
-        self.projection.resize(new_size.width, new_size.height);
-        self.size = new_size;
-        self.sc_desc.width = new_size.width;
-        self.sc_desc.height = new_size.height;
-        self.swap_chain = self.device.create_swap_chain(&self.surface, &self.sc_desc);
-        self.depth_texture =
-            texture::Texture::create_depth_texture(&self.device, &self.sc_desc, "depth_texture");
+        if new_size.width > 0 && new_size.height > 0 {
+            self.projection.resize(new_size.width, new_size.height);
+            self.size = new_size;
+            self.sc_desc.width = new_size.width;
+            self.sc_desc.height = new_size.height;
+            self.swap_chain = self.device.create_swap_chain(&self.surface, &self.sc_desc);
+            self.depth_texture =
+                texture::Texture::create_depth_texture(&self.device, &self.sc_desc, "depth_texture");
+        }
     }
 
     fn input(&mut self, event: &DeviceEvent) -> bool {