CGDirectDisplayCopyCurrentMetalDevice

objc2_core_graphics

Function CGDirectDisplayCopyCurrentMetalDevice 

Source 
pub extern "C-unwind" fn CGDirectDisplayCopyCurrentMetalDevice(
    display: CGDirectDisplayID,
) -> Option<Retained<ProtocolObject<dyn MTLDevice>>>
Available on crate feature CGDirectDisplay and crate feature CGDirectDisplayMetal and crate feature objc2 and crate feature objc2-metal and non-watchOS only.