A variable controlling whether video mode emulation is enabled under Wayland.
Defined in <SDL3/SDL_hints.h>
#define SDL_HINT_VIDEO_WAYLAND_MODE_EMULATION "SDL_VIDEO_WAYLAND_MODE_EMULATION"
When this hint is set, a standard set of emulated CVT video modes will be exposed for use by the application. If it is disabled, the only modes exposed will be the logical desktop size and, in the case of a scaled desktop, the native display resolution.
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.