[Wayland] Add wl_shm support for 10 bpc formats and wl_shm/DMA-BUF su… #748
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…pport for 16 bpc half float formats
This makes it possible to create 10 bpc as well as 16 bpc wl_shm buffers (e.g. WL_SHM_FORMAT_ABGR2101010 and WL_SHM_FORMAT_ABGR16161616F).
Adapted from Mutter: https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/804