Make `Application` and `Sandbox` return a `Result`

2 files changed, 7 insertions, 6 deletions

diff --git a/wgpu/src/lib.rs b/wgpu/src/lib.rs
index 570e8a94..5f44dd91 100644
--- a/wgpu/src/lib.rs
+++ b/wgpu/src/lib.rs
@@ -36,7 +36,9 @@ mod backend;
 mod quad;
 mod text;
 
-pub use iced_graphics::{Antialiasing, Color, Defaults, Primitive, Viewport};
+pub use iced_graphics::{
+    Antialiasing, Color, Defaults, Error, Primitive, Viewport,
+};
 pub use wgpu;
 
 pub use backend::Backend;
diff --git a/wgpu/src/window/compositor.rs b/wgpu/src/window/compositor.rs
index c790f35f..79ffacdd 100644
--- a/wgpu/src/window/compositor.rs
+++ b/wgpu/src/window/compositor.rs
@@ -1,7 +1,6 @@
-use crate::{Backend, Color, Renderer, Settings};
+use crate::{Backend, Color, Error, Renderer, Settings, Viewport};
 
 use futures::task::SpawnExt;
-use iced_graphics::Viewport;
 use iced_native::{futures, mouse};
 use raw_window_handle::HasRawWindowHandle;
 
@@ -82,13 +81,13 @@ impl iced_graphics::window::Compositor for Compositor {
     type Surface = wgpu::Surface;
     type SwapChain = wgpu::SwapChain;
 
-    fn new(settings: Self::Settings) -> (Self, Renderer) {
+    fn new(settings: Self::Settings) -> Result<(Self, Renderer), Error> {
         let compositor = futures::executor::block_on(Self::request(settings))
-            .expect("Could not find a suitable graphics adapter");
+            .ok_or(Error::AdapterNotFound)?;
 
         let backend = compositor.create_backend();
 
-        (compositor, Renderer::new(backend))
+        Ok((compositor, Renderer::new(backend)))
     }
 
     fn create_surface<W: HasRawWindowHandle>(