int SDL_InitSubSystem(Uint32 flags)
{
#ifndef DISABLE_VIDEO
/* Initialize the video/event subsystem */
if ( (flags & SDL_INIT_VIDEO) && !(SDL_initialized & SDL_INIT_VIDEO) ) {
if ( SDL_VideoInit(getenv("SDL_VIDEODRIVER"),
(flags&SDL_INIT_EVENTTHREAD)) < 0 ) {
return(-1);
}
SDL_initialized |= SDL_INIT_VIDEO;
}
#else
if ( flags & SDL_INIT_VIDEO ) {
SDL_SetError("SDL not built with video support");
return(-1);
}
#endif
#ifndef DISABLE_AUDIO
/* Initialize the audio subsystem */
if ( (flags & SDL_INIT_AUDIO) && !(SDL_initialized & SDL_INIT_AUDIO) ) {
if ( SDL_AudioInit(getenv("SDL_AUDIODRIVER")) < 0 ) {
return(-1);
}
SDL_initialized |= SDL_INIT_AUDIO;
}
#else
if ( flags & SDL_INIT_AUDIO ) {
SDL_SetError("SDL not built with audio support");
return(-1);
}
#endif
#ifndef DISABLE_TIMERS
/* Initialize the timer subsystem */
if ( ! ticks_started ) {
SDL_StartTicks();
ticks_started = 1;
}
if ( (flags & SDL_INIT_TIMER) && !(SDL_initialized & SDL_INIT_TIMER) ) {
if ( SDL_TimerInit() < 0 ) {
return(-1);
}
SDL_initialized |= SDL_INIT_TIMER;
}
#else
if ( flags & SDL_INIT_TIMER ) {
SDL_SetError("SDL not built with timer support");
return(-1);
}
#endif
#ifndef DISABLE_JOYSTICK
/* Initialize the joystick subsystem */
if ( (flags & SDL_INIT_JOYSTICK) &&
!(SDL_initialized & SDL_INIT_JOYSTICK) ) {
if ( SDL_JoystickInit() < 0 ) {
return(-1);
}
SDL_initialized |= SDL_INIT_JOYSTICK;
}
#else
if ( flags & SDL_INIT_JOYSTICK ) {
SDL_SetError("SDL not built with joystick support");
return(-1);
}
#endif
#ifndef DISABLE_CDROM
/* Initialize the CD-ROM subsystem */
if ( (flags & SDL_INIT_CDROM) && !(SDL_initialized & SDL_INIT_CDROM) ) {
if ( SDL_CDROMInit() < 0 ) {
return(-1);
}
SDL_initialized |= SDL_INIT_CDROM;
}
#else
if ( flags & SDL_INIT_CDROM ) {
SDL_SetError("SDL not built with cdrom support");
return(-1);
}
#endif
return(0);
}
int
SDL_InitSubSystem(Uint32 flags)
{
#if !SDL_VIDEO_DISABLED
/* Initialize the video/event subsystem */
if ((flags & SDL_INIT_VIDEO) && !(SDL_initialized & SDL_INIT_VIDEO)) {
if (SDL_VideoInit(NULL, (flags & SDL_INIT_EVENTTHREAD)) < 0) {
return (-1);
}
SDL_initialized |= SDL_INIT_VIDEO;
}
#else
if (flags & SDL_INIT_VIDEO) {
SDL_SetError("SDL not built with video support");
return (-1);
}
#endif
#if !SDL_AUDIO_DISABLED
/* Initialize the audio subsystem */
if ((flags & SDL_INIT_AUDIO) && !(SDL_initialized & SDL_INIT_AUDIO)) {
if (SDL_AudioInit(NULL) < 0) {
return (-1);
}
SDL_initialized |= SDL_INIT_AUDIO;
}
#else
if (flags & SDL_INIT_AUDIO) {
SDL_SetError("SDL not built with audio support");
return (-1);
}
#endif
#if !SDL_TIMERS_DISABLED
/* Initialize the timer subsystem */
if (!ticks_started) {
SDL_StartTicks();
ticks_started = 1;
}
if ((flags & SDL_INIT_TIMER) && !(SDL_initialized & SDL_INIT_TIMER)) {
if (SDL_TimerInit() < 0) {
return (-1);
}
SDL_initialized |= SDL_INIT_TIMER;
}
#else
if (flags & SDL_INIT_TIMER) {
SDL_SetError("SDL not built with timer support");
return (-1);
}
#endif
#if !SDL_JOYSTICK_DISABLED
/* Initialize the joystick subsystem */
if ((flags & SDL_INIT_JOYSTICK) && !(SDL_initialized & SDL_INIT_JOYSTICK)) {
if (SDL_JoystickInit() < 0) {
return (-1);
}
SDL_initialized |= SDL_INIT_JOYSTICK;
}
#else
if (flags & SDL_INIT_JOYSTICK) {
SDL_SetError("SDL not built with joystick support");
return (-1);
}
#endif
#if !SDL_HAPTIC_DISABLED
/* Initialize the haptic subsystem */
if ((flags & SDL_INIT_HAPTIC) && !(SDL_initialized & SDL_INIT_HAPTIC)) {
if (SDL_HapticInit() < 0) {
return (-1);
}
SDL_initialized |= SDL_INIT_HAPTIC;
}
#else
if (flags & SDL_INIT_HAPTIC) {
SDL_SetError("SDL not built with haptic (force feedback) support");
return (-1);
}
#endif
#if !SDL_CDROM_DISABLED
/* Initialize the CD-ROM subsystem */
if ((flags & SDL_INIT_CDROM) && !(SDL_initialized & SDL_INIT_CDROM)) {
if (SDL_CDROMInit() < 0) {
return (-1);
}
SDL_initialized |= SDL_INIT_CDROM;
}
#else
if (flags & SDL_INIT_CDROM) {
SDL_SetError("SDL not built with cdrom support");
return (-1);
}
#endif
return (0);
}
