Make wrappers separate

framework-crates/objc2-metal/examples/triangle.rs

@@ -105,7 +105,7 @@ declare_class!(
             };
 
             // get the default device
-            let device = MTLDevice::system_default().expect("Failed to get default system device.");
+            let device = mtl_device_system_default().expect("Failed to get default system device.");
 
             // create the command queue
             let command_queue = device

framework-crates/objc2-metal/src/device.rs

@@ -3,14 +3,22 @@ use objc2_foundation::NSArray;
 
 use crate::MTLDevice;
 
-pub trait MTLDeviceExt: MTLDevice {
-    fn system_default() -> Option<Id<ProtocolObject<dyn MTLDevice>>> {
-        unsafe { Id::from_raw(crate::MTLCreateSystemDefaultDevice()) }
-    }
+// pub trait MTLDeviceExt: MTLDevice {
+//     fn system_default() -> Option<Id<ProtocolObject<dyn MTLDevice>>> {
+//         unsafe { Id::from_raw(crate::MTLCreateSystemDefaultDevice()) }
+//     }
 
-    fn all() -> Id<NSArray<ProtocolObject<dyn MTLDevice>>> {
-        unsafe { Id::new_nonnull(crate::MTLCopyAllDevices()) }
-    }
+//     fn all() -> Id<NSArray<ProtocolObject<dyn MTLDevice>>> {
+//         unsafe { Id::new_nonnull(crate::MTLCopyAllDevices()) }
+//     }
+// }
+
+// impl<P: MTLDevice> MTLDeviceExt for P {}
+
+pub fn mtl_device_system_default() -> Option<Id<ProtocolObject<dyn MTLDevice>>> {
+    unsafe { Id::from_raw(crate::MTLCreateSystemDefaultDevice()) }
 }
 
-impl<P: MTLDevice> MTLDeviceExt for P {}
+pub fn mtl_device_all() -> Id<NSArray<ProtocolObject<dyn MTLDevice>>> {
+    unsafe { Id::new_nonnull(crate::MTLCopyAllDevices()) }
+}

framework-crates/objc2-metal/src/lib.rs

@@ -11,7 +11,7 @@
 //!
 //! [apple-doc]: https://developer.apple.com/documentation/xcode/validating-your-apps-metal-api-usage/.
 //!
-//! Note: To use [`MTLDevice::system_default()`] you need to link to
+//! Note: To use [`mtl_device_system_default()`] you need to link to
 //! `CoreGraphics`, this can be done by using `objc2-app-kit`, or by doing:
 //! ```rust
 //! #[link(name = "CoreGraphics", kind = "framework")]

framework-crates/objc2-metal/tests/runs_with_core_graphics.rs

@@ -1,17 +1,19 @@
 #![cfg(feature = "MTLDevice")]
-use objc2_metal::MTLDevice;
+use objc2_metal::mtl_device_system_default;
 
 #[link(name = "CoreGraphics", kind = "framework")]
 extern "C" {}
 
 #[test]
 #[ignore = "doesn't work in CI"]
 fn test_create_default() {
-    let _ = MTLDevice::system_default();
+    let _ = mtl_device_system_default();
 }
 
 #[test]
 #[cfg(target_os = "macos")]
 fn get_all() {
-    let _ = MTLDevice::all();
+    use objc2_metal::mtl_device_all;
+
+    let _ = mtl_device_all();
 }