fixup! Add example that switches the rendering thread

rust-windowing · Dec 28, 2023 · b496dce · b496dce
1 parent 0dc853c
commit b496dce
Showing 1 changed file with 7 additions and 4 deletions.
diff --git a/glutin_examples/examples/switch_render_thread.rs b/glutin_examples/examples/switch_render_thread.rs
@@ -38,7 +38,7 @@ fn main() -> Result<(), Box<dyn Error>> {
     let event_loop_proxy = event_loop.create_proxy();
 
     let (_render_threads, render_thread_senders) =
-        spawn_render_threads(render_context, event_loop_proxy.clone());
+        spawn_render_threads(render_context, event_loop_proxy);
 
     let mut app_state = AppState {
         render_thread_senders,
@@ -134,21 +134,24 @@ impl RenderContext {
     }
 
     fn make_current(&mut self) -> Result<(), impl Error> {
-        let ctx = self.context.take().ok_or(GlutinError::from(ErrorKind::BadContextState))?;
+        let ctx =
+            self.context.take().ok_or_else(|| GlutinError::from(ErrorKind::BadContextState))?;
         let result = ctx.make_current(&self.surface);
         self.context = Some(ctx);
         result
     }
 
     fn make_not_current(&mut self) -> Result<(), impl Error> {
-        let ctx = self.context.take().ok_or(GlutinError::from(ErrorKind::BadContextState))?;
+        let ctx =
+            self.context.take().ok_or_else(|| GlutinError::from(ErrorKind::BadContextState))?;
         let not_current_ctx = ctx.make_not_current()?;
         self.context = Some(not_current_ctx.treat_as_possibly_current());
         Ok::<(), GlutinError>(())
     }
 
     fn swap_buffers(&mut self) -> Result<(), impl Error> {
-        let ctx = self.context.take().ok_or(GlutinError::from(ErrorKind::BadContextState))?;
+        let ctx =
+            self.context.take().ok_or_else(|| GlutinError::from(ErrorKind::BadContextState))?;
         let result = self.surface.swap_buffers(&ctx);
         self.context = Some(ctx);
         result