Merge branch 'capucho/gpu-poll' into 'master'

cleanup gpu resources on maintain

See merge request veloren/veloren!2466

voxygen/src/lib.rs

@@ -80,6 +80,7 @@ impl GlobalState {
     pub fn maintain(&mut self, dt: std::time::Duration) {
         span!(_guard, "maintain", "GlobalState::maintain");
         self.audio.maintain(dt);
+        self.window.renderer().maintain()
     }
 
     #[cfg(feature = "singleplayer")]

voxygen/src/render/renderer.rs

@@ -600,6 +600,14 @@ impl Renderer {
         Ok(())
     }
 
+    pub fn maintain(&self) {
+        if self.is_minimized {
+            self.queue.submit(std::iter::empty());
+        }
+
+        self.device.poll(wgpu::Maintain::Poll)
+    }
+
     /// Create render target views
     fn create_rt_views(
         device: &wgpu::Device,