Type Alias PFNGLVIEWPORTPOSITIONWSCALENVPROC

pub type PFNGLVIEWPORTPOSITIONWSCALENVPROC = Option<unsafe extern "C" fn(index: GLuint, xcoeff: GLfloat, ycoeff: GLfloat)>;

Aliased Type

enum PFNGLVIEWPORTPOSITIONWSCALENVPROC {
    None,
    Some(unsafe extern "C" fn(_: u32, _: f32, _: f32)),
}

Variants

None

No value.

Some(unsafe extern "C" fn(_: u32, _: f32, _: f32))

Some value of type T.