pub type PFNGLTEXTUREPARAMETERIEXTPROC = Option<unsafe extern "C" fn(texture: GLuint, target: GLenum, pname: GLenum, param: GLint)>;Aliased Type§
enum PFNGLTEXTUREPARAMETERIEXTPROC {
None,
Some(unsafe extern "C" fn(_: u32, _: u32, _: u32, _: i32)),
}