Update dependencies for egui-winit example (#176)

* Update egui-winit example to greatly simplify the platform event handler

- I was able to upstream this logic into the egui_winit_platform crate

* Fix the wgpu validation error

examples/egui-winit/Cargo.toml

@@ -11,10 +11,17 @@ default = ["optimize"]
 
 [dependencies]
 egui = "0.12"
-egui_wgpu_backend = "0.8"
-egui_winit_platform = { version = "0.8", features = ["webbrowser"] }
 env_logger = "0.8"
 log = "0.4"
 pixels = { path = "../.." }
 winit = "0.25"
 winit_input_helper = "0.10"
+
+[dependencies.egui_wgpu_backend]
+git = "https://github.com/hasenbanck/egui_wgpu_backend.git"
+rev = "63a002c6a9b6c016e45806dd065864431caab621"
+
+[dependencies.egui_winit_platform]
+git = "https://github.com/hasenbanck/egui_winit_platform.git"
+rev = "89c9c36ae835c9a28e2af3439f1cc41f18a66c0c"
+features = ["webbrowser"]

examples/egui-winit/src/gui.rs

@@ -32,7 +32,7 @@ impl Gui {
             physical_height: height,
             scale_factor: scale_factor as f32,
         };
-        let rpass = RenderPass::new(&context.device, wgpu::TextureFormat::Bgra8UnormSrgb);
+        let rpass = RenderPass::new(&context.device, wgpu::TextureFormat::Bgra8UnormSrgb, 1);
 
         Self {
             start_time: Instant::now(),
@@ -46,21 +46,7 @@ impl Gui {
 
     /// Handle input events from the window manager.
     pub(crate) fn handle_event(&mut self, event: &winit::event::Event<'_, ()>) {
-        use winit::dpi::PhysicalSize;
+        self.platform.handle_event(event);
-        use winit::event::Event::WindowEvent;
-        use winit::event::WindowEvent::Resized;
-
-        match &event {
-            WindowEvent {
-                event:
-                    Resized(PhysicalSize {
-                        width: 0,
-                        height: 0,
-                    }),
-                ..
-            } => (),
-            _ => self.platform.handle_event(event),
-        }
     }
 
     /// Resize egui.