backend: Support wl-dmabuf v6

src/utils/global.rs

@@ -0,0 +1,28 @@
+use std::time::Duration;
+
+use calloop::{
+    LoopHandle,
+    timer::{TimeoutAction, Timer},
+};
+use smithay::reexports::wayland_server::DisplayHandle;
+use wayland_backend::server::GlobalId;
+
+pub fn remove_global_with_timer<D: 'static>(
+    dh: &DisplayHandle,
+    event_loop_handle: &LoopHandle<D>,
+    id: GlobalId,
+) {
+    dh.disable_global::<D>(id.clone());
+    let source = Timer::from_duration(Duration::from_secs(5));
+    let dh = dh.clone();
+    let res = event_loop_handle.insert_source(source, move |_, _, _state| {
+        dh.remove_global::<D>(id.clone());
+        TimeoutAction::Drop
+    });
+    if let Err(err) = res {
+        tracing::error!(
+            "failed to insert timer source to destroy output global: {}",
+            err
+        );
+    }
+}

src/utils/mod.rs

@@ -4,6 +4,7 @@ pub mod env;
 mod ids;
 pub(crate) use self::ids::id_gen;
 pub mod geometry;
+pub mod global;
 pub mod iced;
 pub mod prelude;
 pub mod quirks;