<div dir="ltr"><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">Hi</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">Some apps should be run in a plain X11 session but not in XWayland (e.g. an X11 screensaver makes no sense in Wayland/XWayland).</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">There is one atom WL_SURFACE_ID that should be created only on/by XWayland (for obvious reasons), is that reliable enough to determine we're running on XWayland?</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">Thanks,</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">Olivier</div></div>