pkgs: let

  src = builtins.fetchTarball {
    name = "nixgl-unstable";
    url = "https://github.com/guibou/nixGL/archive/7165ffbccbd2cf4379b6cd6d2edd1620a427e5ae.tar.gz";
    sha256 = "1wc85xqnq2wb008y9acb29jbfkc242m9697g2b8j6q3yqmfhrks1";
  };

  nixgl = (import src) {
    inherit pkgs;
    enable32bits = false;
  };

in nixgl.auto.nixGLDefault