Type Definition makepad_glx_sys::PFNGLXQUERYCHANNELRECTSGIXPROC

type PFNGLXQUERYCHANNELRECTSGIXPROC = Option<unsafe extern "C" fn(display: *mut Display, screen: c_int, channel: c_int, dx: *mut c_int, dy: *mut c_int, dw: *mut c_int, dh: *mut c_int) -> c_int>;