Commit ffd02d9b authored by Olivier Fourdan's avatar Olivier Fourdan Committed by Olivier Fourdan

xwayland: non-rootless requires the XDG-WM-Base protocol

When running non-rootless, Xwayland requires that the Wayland compositor
supports the XDG-WM-Base protocol.

Check for XDG-WM-Base protocol support at startup and exit cleanly if
missing rather than segfaulting later in ensure_surface_for_window()
while trying to use xdg_wm_base_get_xdg_surface().
Signed-off-by: default avatarOlivier Fourdan <>
Reviewed-by: Michel Dänzer's avatarMichel Dänzer <>
Reviewed-by: Simon Ser's avatarSimon Ser <>
parent 7a7e55c5
Pipeline #225645 passed with stages
in 5 minutes and 17 seconds
......@@ -635,6 +635,11 @@ xwl_screen_init(ScreenPtr pScreen, int argc, char **argv)
&registry_listener, xwl_screen);
if (!xwl_screen->rootless && !xwl_screen->xdg_wm_base) {
ErrorF("missing XDG-WM-Base protocol\n");
return FALSE;
bpc = xwl_screen->depth / 3;
green_bpc = xwl_screen->depth - 2 * bpc;
blue_mask = (1 << bpc) - 1;
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