makepad_glx_sys

Type Alias PFNGLXBEGINFRAMETRACKINGMESAPROC

Source 
pub type PFNGLXBEGINFRAMETRACKINGMESAPROC = Option<unsafe extern "C" fn(dpy: *mut Display, drawable: GLXDrawable) -> c_int>;

Aliased Type§

pub enum PFNGLXBEGINFRAMETRACKINGMESAPROC {
    None,
    Some(unsafe extern "C" fn(*mut _XDisplay, u32) -> i32),
}

Variants§

§1.0.0

None

No value.

§1.0.0

Some(unsafe extern "C" fn(*mut _XDisplay, u32) -> i32)

Some value of type T.