Fixed some compile warnings from last commit

Author: inner-daemons

examples/bug-repro/02_present_bugs/src/main.rs

@@ -26,7 +26,6 @@ struct App {
 struct State {
     window: Arc<Window>,
     instance: wgpu::Instance,
-    device: wgpu::Device,
     queue: Option<wgpu::Queue>,
     surface: wgpu::Surface<'static>,
     surface_config: wgpu::SurfaceConfiguration,
@@ -128,8 +127,7 @@ impl State {
 
         println!("Adapter: {:?}", adapter.get_info().name);
 
-        let (device, queue) =
-            pollster::block_on(adapter.request_device(&Default::default())).unwrap();
+        let (_, queue) = pollster::block_on(adapter.request_device(&Default::default())).unwrap();
 
         let surface_format = surface.get_capabilities(&adapter).formats[0];
         let surface_config = wgpu::SurfaceConfiguration {
@@ -147,7 +145,6 @@ impl State {
         State {
             window,
             instance,
-            device,
             queue: Some(queue),
             surface,
             surface_config,

wgpu/src/backend/wgpu_core.rs

@@ -441,9 +441,6 @@ fn map_pass_channel<V: Copy>(ops: Option<&Operations<V>>) -> wgc::command::PassC
 pub struct CoreSurface {
     pub(crate) context: ContextWgpuCore,
     id: wgc::id::SurfaceId,
-    /// Configured device is needed to know which backend
-    /// code to execute when acquiring a new frame.
-    configured_device: Mutex<Option<wgc::id::DeviceId>>,
     /// The error sink with which to report errors.
     /// `None` if the surface has not been configured.
     error_sink: Mutex<Option<ErrorSink>>,
@@ -846,7 +843,6 @@ impl dispatch::InstanceInterface for ContextWgpuCore {
         Ok(CoreSurface {
             context: self.clone(),
             id,
-            configured_device: Mutex::default(),
             error_sink: Mutex::default(),
         }
         .into())