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