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