Wayland compositors will happily use gpu 3d engine, if it is available. Otherwise, they will do their job with Mesa's software rendering. They also accept dma-

Wayland compositors will happily use gpu 3d engine, if it is available. Otherwise, they will do their job with Mesa's software rendering. They also accept dma-buf handles from clients, so if other software on the system does use gpu, the compositor has somehow to do its composition, and zero-copy if possible.