mtl-rs 0.1.12

Rust bindings for Apple's Metal API
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use objc2::{
    extern_class, extern_conformance, extern_methods,
    rc::{Allocated, Retained},
};
use objc2_foundation::{CopyingHelper, NSCopying, NSObject, NSObjectProtocol};

extern_class!(
    /// Base interface for describing a Metal 4 shader function.
    ///
    /// See also [Apple's documentation](https://developer.apple.com/documentation/metal/mtl4functiondescriptor?language=objc)
    #[unsafe(super(NSObject))]
    #[derive(Debug, PartialEq, Eq, Hash)]
    pub struct MTL4FunctionDescriptor;
);

extern_conformance!(
    unsafe impl NSCopying for MTL4FunctionDescriptor {}
);

unsafe impl CopyingHelper for MTL4FunctionDescriptor {
    type Result = Self;
}

extern_conformance!(
    unsafe impl NSObjectProtocol for MTL4FunctionDescriptor {}
);

impl MTL4FunctionDescriptor {
    extern_methods!();
}

/// Methods declared on superclass `NSObject`.
impl MTL4FunctionDescriptor {
    extern_methods!(
        #[unsafe(method(init))]
        #[unsafe(method_family = init)]
        pub fn init(this: Allocated<Self>) -> Retained<Self>;

        #[unsafe(method(new))]
        #[unsafe(method_family = new)]
        pub fn new() -> Retained<Self>;
    );
}