void
SDL_Delay(Uint32 ms)
{
Uint32 now, then, elapsed;
#if !SDL_THREADS_DISABLED
int is_event_thread;
if (riscos_using_threads) {
is_event_thread = 0;
if (SDL_EventThreadID()) {
if (SDL_EventThreadID() == SDL_ThreadID())
is_event_thread = 1;
} else if (SDL_ThreadID() == riscos_main_thread)
is_event_thread = 1;
} else
is_event_thread = 1;
#endif
/*TODO: Next version of Unixlib may allow us to use usleep here */
/* for non event threads */
/* Set the timeout interval - Linux only needs to do this once */
then = SDL_GetTicks();
do {
/* Do background tasks required while sleeping as we are not multithreaded */
#if SDL_THREADS_DISABLED
RISCOS_BackgroundTasks();
#else
/* For threaded build only run background tasks in event thread */
if (is_event_thread)
RISCOS_BackgroundTasks();
#endif
/* Calculate the time interval left (in case of interrupt) */
now = SDL_GetTicks();
elapsed = (now - then);
then = now;
if (elapsed >= ms) {
break;
}
ms -= elapsed;
#if !SDL_THREADS_DISABLED
/* Need to yield to let other threads have a go */
if (riscos_using_threads)
pthread_yield();
#endif
} while (1);
}
static int NX_ToggleFullScreen (_THIS, int on)
{
SDL_Rect rect ;
Uint32 event_thread ;
Dprintf ("enter NX_ToggleFullScreen\n") ;
// Don't switch if we don't own the window
if (SDL_windowid) return 0 ;
// Don't lock if we are the event thread
event_thread = SDL_EventThreadID () ;
if (event_thread && (SDL_ThreadID () == event_thread)) {
event_thread = 0 ;
}
if (event_thread) {
SDL_Lock_EventThread() ;
}
if (on) {
NX_EnterFullScreen (this) ;
} else {
this -> screen -> flags &= ~ SDL_FULLSCREEN ;
NX_LeaveFullScreen (this) ;
}
rect.x = rect.y = 0 ;
rect.w = this -> screen -> w, rect.h = this -> screen -> h ;
NX_NormalUpdate (this, 1, & rect) ;
if (event_thread) {
SDL_Unlock_EventThread () ;
}
Dprintf ("leave NX_ToggleFullScreen\n") ;
return 1 ;
}
