wayland: Ignore stateless/sizeless configs when starting in fullscreen mode
diff --git a/src/video/wayland/SDL_waylandwindow.c b/src/video/wayland/SDL_waylandwindow.c
index 025dd30..451d33b 100644
--- a/src/video/wayland/SDL_waylandwindow.c
+++ b/src/video/wayland/SDL_waylandwindow.c
@@ -219,9 +219,15 @@ handle_configure_xdg_toplevel(void *data,
/* Foolishly do what the compositor says here. If it's wrong, don't
* blame us, we were explicitly instructed to do this.
+ *
+ * UPDATE: Nope, we can't actually do that, the compositor may give
+ * us a completely stateless, sizeless configure, with which we have
+ * to enforce our own state anyway.
*/
- window->w = width;
- window->h = height;
+ if (width != 0 && height != 0) {
+ window->w = width;
+ window->h = height;
+ }
/* This part is good though. */
if (window->flags & SDL_WINDOW_ALLOW_HIGHDPI) {