4783d767d6
We want to completely clear the background framebuffer when switching back to ACTOR mode to make sure the `background_fb.framebuffer` check will fail in `update_background_fbo` when switching to BACKGROUND mode again. Otherwise the checks in `update_background_fbo` will return TRUE and we will keep using the background framebuffer that was created before switchig to ACTOR mode. While at it, also clear the background framebuffer completely when changing the actor to avoid the same issue here. https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/1000
GNOME Shell
GNOME Shell provides core user interface functions for the GNOME 3 desktop, like switching to windows and launching applications. GNOME Shell takes advantage of the capabilities of modern graphics hardware and introduces innovative user interface concepts to provide a visually attractive and easy to use experience.
For more information about GNOME Shell, including instructions on how to build GNOME Shell from source and how to get involved with the project, see the project wiki.
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