pipewire pause/resume, update wlx-capture, pipewire dmabuf preps

src/backend/openxr/mod.rs

@@ -204,6 +204,10 @@ pub fn openxr_run(running: Arc<AtomicBool>) -> Result<(), BackendError> {
             }
         }
 
+        overlays
+            .iter_mut()
+            .for_each(|o| o.after_input(&mut app_state));
+
         let (_, views) = xr_state
             .session
             .locate_views(

src/backend/openxr/overlay.rs

@@ -6,12 +6,14 @@ use super::{swapchain::SwapchainRenderData, transform_to_posef, XrState};
 use crate::{
     backend::{openxr::swapchain::create_swapchain_render_data, overlay::OverlayData},
     graphics::WlxCommandBuffer,
+    state::AppState,
 };
 use vulkano::image::view::ImageView;
 
 #[derive(Default)]
 pub struct OpenXrOverlayData {
     last_view: Option<Arc<ImageView>>,
+    last_visible: bool,
     pub(super) swapchain: Option<SwapchainRenderData>,
     pub(super) init: bool,
 }
@@ -67,4 +69,15 @@ impl OverlayData<OpenXrOverlayData> {
             });
         Some(quad)
     }
+
+    pub(super) fn after_input(&mut self, app: &mut AppState) {
+        if self.data.last_visible != self.state.want_visible {
+            if self.state.want_visible {
+                self.backend.resume(app);
+            } else {
+                self.backend.pause(app);
+            }
+        }
+        self.data.last_visible = self.state.want_visible;
+    }
 }