src/ffi/
raw FFI layer. direct bindings to Metal.framework, CoreFoundation and libobjc.
no ObjC, no Swift, no headers — everything goes through objc_msgSend.
| file | purpose |
|---|---|
mod.rs |
types, constants, extern links, CFString helpers |
selectors.rs |
cached ObjC selectors and class lookups |
trampoline.rs |
typed objc_msgSend trampolines for each Metal method |