wayland: dispatcher: release buffers when requested

src/wayland/dispatcher.rs

@@ -117,13 +117,20 @@ impl Dispatcher {
 }
 
 impl Dispatch<wl_buffer::WlBuffer, u32> for Dispatcher {
-    fn event(_ctx: &mut Dispatcher,
+    fn event(ctx: &mut Dispatcher,
              _buf: &wl_buffer::WlBuffer,
-             _evt: <wl_buffer::WlBuffer as Proxy>::Event,
-             _data: &u32,
+             evt: <wl_buffer::WlBuffer as Proxy>::Event,
+             data: &u32,
              _conn: &Connection,
              _qh: &QueueHandle<Dispatcher>)
     {
+        match evt {
+            wl_buffer::Event::Release => {
+                let mut gfx = ctx.gfx.lock().unwrap();
+                gfx.display_mut().release(*data);
+            },
+            _ => eprintln!("warn: unknown wl_buffer event emitted"),
+        }
     }
 }