Direct scanout should try fallback formats (e.g. XRGB for ARGB) where appropriate
In order to allow direct scanout on more hardware/drivers like the Pinebook Pro, where ARGB scanout is reported but apparently broken (with the result that weston-simple-egl
does get scanned out, but GTK4 apps not). Weston has such a fallback as well.
Found while testing !2660
Edited by Robert Mader