Install clutter-1.0-tests by entering the following commands in the terminal:
sudo apt update sudo apt install clutter-1.0-tests
Description:
Open GL based interactive canvas library (installed test programs)
Clutter is an Open GL based interactive canvas library, designed for creating fast, mainly 2D single window applications such as media box UIs, presentations, kiosk style applications and so on. . This package contains installed test programs.
Homepage: https://blogs.gnome.org/clutter/
Version: 1.26.2+dfsg-4
Section: universe/misc