pub type PFNGLGETMULTITEXGENDVEXTPROC = Option<unsafe extern "C" fn(texunit: GLenum, coord: GLenum, pname: GLenum, params: *mut GLdouble)>;Aliased Type§
pub enum PFNGLGETMULTITEXGENDVEXTPROC {
None,
Some(unsafe extern "C" fn(u32, u32, u32, *mut f64)),
}