Without that, window effects in KWin get suspended as soon as any qemu-sdl window becomes visible. While the SDL default makes sense for games, it's not really suitable for QEMU.
Signed-off-by: Sebastian Krzyszkowiak <d...@dosowisko.net> --- ui/sdl2.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/ui/sdl2.c b/ui/sdl2.c index 2696b95c79..a10b6e3a08 100644 --- a/ui/sdl2.c +++ b/ui/sdl2.c @@ -786,6 +786,9 @@ static void sdl2_display_init(DisplayState *ds, DisplayOptions *o) SDL_GetError()); exit(1); } +#ifdef SDL_HINT_VIDEO_X11_NET_WM_BYPASS_COMPOSITOR /* only available since SDL 2.0.8 */ + SDL_SetHint(SDL_HINT_VIDEO_X11_NET_WM_BYPASS_COMPOSITOR, "0"); +#endif SDL_SetHint(SDL_HINT_GRAB_KEYBOARD, "1"); memset(&info, 0, sizeof(info)); SDL_VERSION(&info.version); -- 2.19.1