pub type PFNGLGETSUBROUTINEUNIFORMLOCATIONPROC = Option<unsafe extern "C" fn(program: GLuint, shadertype: GLenum, name: *const GLchar) -> GLint>;Aliased Type§
enum PFNGLGETSUBROUTINEUNIFORMLOCATIONPROC {
None,
Some(unsafe extern "C" fn(_: u32, _: u32, _: *const i8) -> i32),
}