previous commit broke monado workaround, this fixes it

wayvr/src/assets/gui/dummy.xml

@@ -0,0 +1,10 @@
+<!-- FIXME: Temporary workaround for Monado bug, this entire file should be deleted once that's resolved -->
+<layout>
+  <elements>
+    <rectangle
+      width="1"
+      height="1"
+      color="~color_accent">
+    </rectangle>
+  </elements>
+</layout>

wayvr/src/backend/openxr/mod.rs

@@ -5,7 +5,6 @@ use std::{
     time::{Duration, Instant},
 };
 
-use glam::{Affine3A, Vec3};
 use input::OpenXrInputSource;
 use openxr as xr;
 use skybox::{Skybox, create_skybox};
@@ -22,7 +21,7 @@ use crate::{
     },
     config::{save_settings, save_state},
     graphics::{GpuFutures, init_openxr_graphics},
-    overlays::{toast::Toast, watch::WATCH_NAME},
+    overlays::toast::Toast,
     state::AppState,
     subsystem::notifications::NotificationManager,
     windowing::{
@@ -141,8 +140,6 @@ pub fn openxr_run(
         lines.allocate(&xr_state, &app)?,
     ];
 
-    let watch_id = overlays.lookup(WATCH_NAME);
-
     let mut input_source = input::OpenXrInputSource::new(&xr_state)?;
 
     let mut session_running = false;
@@ -345,21 +342,6 @@ pub fn openxr_run(
 
         app.hid_provider.inner.commit();
 
-        let mut watch_transform = Affine3A::IDENTITY;
-        if let Some(watch) = watch_id.and_then(|id| overlays.mut_by_id(id)) {
-            let watch_state = watch.config.active_state.as_mut().unwrap();
-            watch_transform = watch_state.transform;
-            if watch_state.alpha < 0.05 {
-                //FIXME: Temporary workaround for Monado bug
-                watch_state.transform = Affine3A::from_scale(Vec3 {
-                    x: 0.001,
-                    y: 0.001,
-                    z: 0.001,
-                });
-                watch_state.alpha = 0.02; // visible but not really. Monado freaks out if no layers are submitted.
-            }
-        }
-
         if let Err(e) =
             crate::ipc::events::tick_events::<OpenXrOverlayData>(&mut app, &mut overlays)
         {
@@ -509,11 +491,6 @@ pub fn openxr_run(
         }
 
         delete_queue.retain(|(_, frame)| *frame > cur_frame);
-
-        //FIXME: Temporary workaround for Monado bug
-        if let Some(watch) = watch_id.and_then(|id| overlays.mut_by_id(id)) {
-            watch.config.active_state.as_mut().unwrap().transform = watch_transform;
-        }
     } // main_loop
 
     if let (Some(blocker), Some(monado)) = (blocker, app.monado_state.as_mut()) {

wayvr/src/windowing/manager.rs

@@ -5,20 +5,17 @@ use std::{
 };
 
 use anyhow::Context;
-use glam::{Affine3A, Vec3, Vec3A};
+use glam::{Affine3A, Quat, Vec3, Vec3A};
 use slotmap::{Key, SecondaryMap, SlotMap};
 use wgui::log::LogErr;
 use wlx_common::{
     astr_containers::{AStrMap, AStrMapExt},
     config::SerializedWindowSet,
-    overlays::{BackendAttrib, BackendAttribValue, ToastTopic},
+    overlays::{BackendAttrib, BackendAttribValue, ToastTopic}, windowing::{OverlayWindowState, Positioning},
 };
 
 use crate::{
-    FRAME_COUNTER,
-    backend::task::{OverlayTask, ToggleMode},
-    config::save_state,
-    overlays::{
+    FRAME_COUNTER, backend::task::{OverlayTask, ToggleMode}, config::save_state, gui::panel::{GuiPanel, NewGuiPanelParams}, overlays::{
         anchor::{create_anchor, create_grab_help},
         custom::create_custom,
         dashboard::{DASH_NAME, create_dash_frontend},
@@ -27,17 +24,16 @@ use crate::{
         screen::create_screens,
         toast::Toast,
         watch::{WATCH_NAME, create_watch},
-    },
-    state::AppState,
-    windowing::{
+    }, state::AppState, windowing::{
         OverlayID, OverlaySelector,
         backend::{OverlayEventData, OverlayMeta},
         set::OverlayWindowSet,
         snap_upright,
-        window::{OverlayCategory, OverlayWindowData},
-    },
+        window::{OverlayCategory, OverlayWindowConfig, OverlayWindowData},
+    }
 };
 
+pub const DUMMY_NAME: &str = "FIXME: Temporary workaround for Monado bug";
 pub const MAX_OVERLAY_SETS: usize = 6;
 
 pub struct OverlayWindowManager<T> {
@@ -126,6 +122,29 @@ where
 
         let anchor = OverlayWindowData::from_config(create_anchor(app)?);
         me.add(anchor, app);
+        
+        // FIXME: Temporary workaround for Monado bug
+        // Monado freaks out if no layers are submitted.
+        // This creates a panel which is behind your head and is very tiny so you should never be able to see it.
+        let mut panel =
+            GuiPanel::new_from_template(app, "gui/dummy.xml", (), NewGuiPanelParams::default()).unwrap();
+        panel.update_layout(app)?;
+        let dummy = OverlayWindowData::from_config(OverlayWindowConfig {
+            name: DUMMY_NAME.into(),
+            z_order: u32::MIN,
+            category: OverlayCategory::Internal,
+            default_state: OverlayWindowState {
+                grabbable: false,
+                interactable: false,
+                positioning: Positioning::FollowHead { lerp: 1.0 },
+                transform: Affine3A::from_scale_rotation_translation(Vec3::ONE * 0.001, Quat::IDENTITY, Vec3::Z),
+                ..OverlayWindowState::default()
+            },
+            show_on_spawn: true,
+            global: true,
+            ..OverlayWindowConfig::from_backend(Box::new(panel))
+        });
+        me.add(dummy, app);
 
         if app.session.config.enable_watch {
             let watch = OverlayWindowData::from_config(create_watch(app)?);