started implementing openxr stuff

src/lib.rs

@@ -0,0 +1,54 @@
+use std::sync::{Arc, Mutex};
+
+use bevy::ecs::system::SystemState;
+use bevy::prelude::*;
+use bevy::render::settings::WgpuSettings;
+use bevy::render::FutureRendererResources;
+use bevy::window::{PrimaryWindow, RawHandleWrapper};
+use state::XrState;
+
+mod graphics;
+mod state;
+mod swapchain;
+
+pub struct OpenXrPlugin {
+    pub wgpu_settings: WgpuSettings,
+}
+
+#[derive(Resource)]
+struct FutureXrResources (
+    Arc<
+        Mutex<
+            Option<
+                XrState
+            >
+        >
+    >
+);
+
+impl Plugin for OpenXrPlugin {
+    fn build(&self, app: &mut App) {
+        if let Some(backends) = self.wgpu_settings.backends {
+            let future_renderer_resources_wrapper = Arc::new(Mutex::new(None));
+            let future_xr_resources_wrapper = Arc::new(Mutex::new(None));
+            app.insert_resource(FutureRendererResources(
+                future_renderer_resources_wrapper.clone(),
+            ));
+
+            app.insert_resource(FutureXrResources(
+                future_xr_resources_wrapper.clone(),
+            ));
+
+            let mut system_state: SystemState<Query<&RawHandleWrapper, With<PrimaryWindow>>> =
+                SystemState::new(&mut app.world);
+            let primary_window = system_state.get(&app.world).get_single().ok().cloned();
+
+            let settings = self.wgpu_settings.clone();
+            bevy::tasks::IoTaskPool::get()
+                .spawn_local(async move {
+                    
+                })
+                .detach();
+        }
+    }
+}