pub type PFNGLGETFRAGMENTMATERIALIVSGIXPROC = Option<unsafe extern "C" fn(face: GLenum, pname: GLenum, data: *mut GLint)>;Aliased Type§
enum PFNGLGETFRAGMENTMATERIALIVSGIXPROC {
None,
Some(unsafe extern "C" fn(_: u32, _: u32, _: *mut i32)),
}