Add swapchain (work in progress)

src/display/window.rs

@@ -35,6 +35,7 @@ impl Window {
         let mut extension_names = ash_window::enumerate_required_extensions(display_handle.as_raw())?
             .to_vec();
 
+        // TODO: Move this because is not related to Window extensions
         #[cfg(any(target_os = "macos", target_os = "ios"))]
         {
             extension_names.push(ash::khr::portability_enumeration::NAME.as_ptr());
@@ -48,6 +49,10 @@ impl Window {
     pub fn handle(&self) -> Option<&winit::window::Window> {
         self.handle.as_ref()
     }
+    
+    pub fn size(&self) -> Option<winit::dpi::Size> {
+        self.window_attributes.inner_size
+    }
 
     pub fn window_event(&mut self, _event_loop: &ActiveEventLoop, _id: WindowId, event: WindowEvent) {
         match event {