Binary package “xscreensaver-gl-extra” in ubuntu eoan

Extra GL(Mesa) screen saver modules for screensaver frontends

 XScreenSaver is a modular screen saver and locker for X11,
 containing more than 200 screen savers.
 This package contains the rest of the 3D (OpenGL) screen saver
 modules from the xscreensaver collection. This package can be used by
 xscreensaver and also some other screensaver engines.
 This is the set of GL screensavers not shipped by default with
 antmaze, atlantis, blocktube, boing, bouncingcow, boxed, cage,
 carousel, companioncube, crackberg, cube21, cubenetic, cubicgrid,
 dangerball, extrusion, fliptext, flurry, glhanoi, glplanet, handsy,
 hilbert, hypnowheel, jigsaw, juggler3d, klein, lament, menger, noof,
 photopile, pinion, providence, rubik, rubikblocks, sballs, skytentacles,
 sproingies, stairs, starwars, surfaces, tangram, timetunnel, tronbit,
 More display modes can be found in the xscreensaver-data,
 xscreensaver-data-extra and xscreensaver-gl packages.