Resolve Rust 1.66 clippy lints (#3304)

wgpu-core/src/device/mod.rs

@@ -5242,8 +5242,7 @@ impl<G: GlobalIdentityHandlerFactory> Global<G> {
             };
 
             let num_frames = present::DESIRED_NUM_FRAMES
-                .max(*caps.swap_chain_sizes.start())
-                .min(*caps.swap_chain_sizes.end());
+                .clamp(*caps.swap_chain_sizes.start(), *caps.swap_chain_sizes.end());
             let mut hal_config = hal::SurfaceConfiguration {
                 swap_chain_size: num_frames,
                 present_mode: config.present_mode,

wgpu-hal/examples/halmark/main.rs

@@ -124,9 +124,10 @@ impl<A: hal::Api> Example<A> {
 
         let window_size: (u32, u32) = window.inner_size().into();
         let surface_config = hal::SurfaceConfiguration {
-            swap_chain_size: DESIRED_FRAMES
-                .max(*surface_caps.swap_chain_sizes.start())
-                .min(*surface_caps.swap_chain_sizes.end()),
+            swap_chain_size: DESIRED_FRAMES.clamp(
+                *surface_caps.swap_chain_sizes.start(),
+                *surface_caps.swap_chain_sizes.end(),
+            ),
             present_mode: wgt::PresentMode::Fifo,
             composite_alpha_mode: wgt::CompositeAlphaMode::Opaque,
             format: wgt::TextureFormat::Bgra8UnormSrgb,

wgpu/examples/skybox/main.rs

@@ -322,7 +322,7 @@ impl framework::Example for Skybox {
             queue,
             &wgpu::TextureDescriptor {
                 size,
-                mip_level_count: max_mips as u32,
+                mip_level_count: max_mips,
                 sample_count: 1,
                 dimension: wgpu::TextureDimension::D2,
                 format: skybox_format,

wgpu/src/util/device.rs

@@ -117,7 +117,7 @@ impl DeviceExt for crate::Device {
                 queue.write_texture(
                     crate::ImageCopyTexture {
                         texture: &texture,
-                        mip_level: mip as u32,
+                        mip_level: mip,
                         origin: crate::Origin3d {
                             x: 0,
                             y: 0,

wgpu/tests/common/image.rs

@@ -124,7 +124,7 @@ pub fn compare_image_output(
 
             write_png(actual_path, width, height, data, png::Compression::Fast);
             write_png(
-                &difference_path,
+                difference_path,
                 width,
                 height,
                 &difference_data,