Type Alias PFNGLVIEWPORTSWIZZLENVPROC

pub type PFNGLVIEWPORTSWIZZLENVPROC = Option<unsafe extern "C" fn(_: u32, _: u32, _: u32, _: u32, _: u32)>;

Aliased Type

enum PFNGLVIEWPORTSWIZZLENVPROC {
    None,
    Some(unsafe extern "C" fn(_: u32, _: u32, _: u32, _: u32, _: u32)),
}

Variants

None

No value.

Some(unsafe extern "C" fn(_: u32, _: u32, _: u32, _: u32, _: u32))

Some value of type T.