Reintroduce backend selection through `ICED_BACKEND` env var

1 files changed, 14 insertions, 1 deletions

diff --git a/graphics/src/compositor.rs b/graphics/src/compositor.rs
index 8c67cd16..86472a58 100644
--- a/graphics/src/compositor.rs
+++ b/graphics/src/compositor.rs
@@ -20,6 +20,18 @@ pub trait Compositor: Sized {
     fn new<W: Window + Clone>(
         settings: Settings,
         compatible_window: W,
+    ) -> impl Future<Output = Result<Self, Error>> {
+        Self::with_backend(settings, compatible_window, None)
+    }
+
+    /// Creates a new [`Compositor`] with a backend preference.
+    ///
+    /// If the backend does not match the preference, it will return
+    /// [`Error::GraphicsAdapterNotFound`].
+    fn with_backend<W: Window + Clone>(
+        _settings: Settings,
+        _compatible_window: W,
+        _backend: Option<&str>,
     ) -> impl Future<Output = Result<Self, Error>>;
 
     /// Creates a [`Self::Renderer`] for the [`Compositor`].
@@ -130,9 +142,10 @@ impl Compositor for () {
     type Renderer = ();
     type Surface = ();
 
-    async fn new<W: Window + Clone>(
+    async fn with_backend<W: Window + Clone>(
         _settings: Settings,
         _compatible_window: W,
+        _preffered_backend: Option<&str>,
     ) -> Result<Self, Error> {
         Ok(())
     }