Clear frames explicitly in integration example

examples/integration/src/main.rs

@@ -154,37 +154,19 @@ pub fn main() {
                     &wgpu::CommandEncoderDescriptor { label: None },
                 );
 
-                // We draw the scene first
                 let program = state.program();
 
-                scene.draw(
-                    &mut encoder,
-                    &frame.view,
-                    program.background_color(),
-                );
+                {
+                    // We clear the frame
+                    let mut render_pass = scene.clear(
+                        &frame.view,
+                        &mut encoder,
+                        program.background_color(),
+                    );
 
-                // If you are using this example and you have no `scene` on your application,
-                // you can clear screen by this code.
-                /*
-                let _ =
-                    encoder.begin_render_pass(&wgpu::RenderPassDescriptor {
-                        color_attachments: &[
-                            wgpu::RenderPassColorAttachmentDescriptor {
-                                attachment: &frame.view,
-                                resolve_target: None,
-                                load_op: wgpu::LoadOp::Clear,
-                                store_op: wgpu::StoreOp::Store,
-                                clear_color: wgpu::Color {
-                                    r: 1.0,
-                                    g: 1.0,
-                                    b: 1.0,
-                                    a: 1.0,
-                                },
-                            },
-                        ],
-                        depth_stencil_attachment: None,
-                    });
-                */
+                    // Draw the scene
+                    scene.draw(&mut render_pass);
+                }
 
                 // And then iced on top
                 let mouse_interaction = renderer.backend_mut().draw(