A variable controlling whether the libdecor Wayland backend is allowed to be used.
Defined in <SDL3/SDL_hints.h>
#define SDL_HINT_VIDEO_WAYLAND_ALLOW_LIBDECOR "SDL_VIDEO_WAYLAND_ALLOW_LIBDECOR"
libdecor is used over xdg-shell when xdg-decoration protocol is unavailable.
The variable can be set to the following values:
This hint should be set before SDL is initialized.
This hint is available since SDL 3.0.0.