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