*/
  public void pixel_storei (int pname, int param) {
    RequestOutputStream o = display.out;
    synchronized (o) {
      o.begin_request (glx.major_opcode, 11, 4);
      o.write_int32 (tag);
      o.write_int32 (pname);
      o.write_int32 (param);
      o.send ();
    }
  }