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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.

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This commit is contained in:
Sam Lantinga
2006-07-10 21:04:37 +00:00
parent 8f3655506a
commit 6bc598ea61
686 changed files with 117556 additions and 98661 deletions
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200
src/timer/riscos/SDL_systimer.c
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@@ -52,129 +52,139 @@ extern void RISCOS_BackgroundTasks(void);
/* The first ticks value of the application */
clock_t start;
void SDL_StartTicks(void)
void
SDL_StartTicks(void)
{
/* Set first ticks value */
start = clock();
/* Set first ticks value */
start = clock();
}
Uint32 SDL_GetTicks (void)
Uint32
SDL_GetTicks(void)
{
clock_t ticks;
clock_t ticks;
ticks=clock()-start;
ticks = clock() - start;
#if CLOCKS_PER_SEC == 1000
return(ticks);
return (ticks);
#elif CLOCKS_PER_SEC == 100
return (ticks * 10);
return (ticks * 10);
#else
return ticks*(1000/CLOCKS_PER_SEC);
return ticks * (1000 / CLOCKS_PER_SEC);
#endif
}
void SDL_Delay (Uint32 ms)
void
SDL_Delay(Uint32 ms)
{
Uint32 now,then,elapsed;
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;
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 */
/*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();
/* 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 */
do {
/* Do background tasks required while sleeping as we are not multithreaded */
#if SDL_THREADS_DISABLED
RISCOS_BackgroundTasks();
RISCOS_BackgroundTasks();
#else
/* For threaded build only run background tasks in event thread */
if (is_event_thread) RISCOS_BackgroundTasks();
/* 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;
/* 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();
/* Need to yield to let other threads have a go */
if (riscos_using_threads)
pthread_yield();
#endif
} while ( 1 );
}
while (1);
}
#if SDL_THREADS_DISABLED
/* Non-threaded version of timer */
int SDL_SYS_TimerInit(void)
int
SDL_SYS_TimerInit(void)
{
return(0);
return (0);
}
void SDL_SYS_TimerQuit(void)
void
SDL_SYS_TimerQuit(void)
{
SDL_SetTimer(0, NULL);
SDL_SetTimer(0, NULL);
}
int SDL_SYS_StartTimer(void)
int
SDL_SYS_StartTimer(void)
{
timerStart = SDL_GetTicks();
timerStart = SDL_GetTicks();
return(0);
return (0);
}
void SDL_SYS_StopTimer(void)
void
SDL_SYS_StopTimer(void)
{
/* Don't need to do anything as we use SDL_timer_running
to detect if we need to check the timer */
/* Don't need to do anything as we use SDL_timer_running
to detect if we need to check the timer */
}
void RISCOS_CheckTimer()
void
RISCOS_CheckTimer()
{
if (SDL_timer_running && SDL_GetTicks() - timerStart >= SDL_alarm_interval)
{
Uint32 ms;
if (SDL_timer_running
&& SDL_GetTicks() - timerStart >= SDL_alarm_interval) {
Uint32 ms;
ms = SDL_alarm_callback(SDL_alarm_interval);
if ( ms != SDL_alarm_interval )
{
if ( ms )
{
SDL_alarm_interval = ROUND_RESOLUTION(ms);
} else
{
SDL_alarm_interval = 0;
SDL_timer_running = 0;
}
}
if (SDL_alarm_interval) timerStart = SDL_GetTicks();
}
ms = SDL_alarm_callback(SDL_alarm_interval);
if (ms != SDL_alarm_interval) {
if (ms) {
SDL_alarm_interval = ROUND_RESOLUTION(ms);
} else {
SDL_alarm_interval = 0;
SDL_timer_running = 0;
}
}
if (SDL_alarm_interval)
timerStart = SDL_GetTicks();
}
}
#else
@@ -187,47 +197,53 @@ void RISCOS_CheckTimer()
static int timer_alive = 0;
static SDL_Thread *timer = NULL;
static int RunTimer(void *unused)
static int
RunTimer(void *unused)
{
while ( timer_alive ) {
if ( SDL_timer_running ) {
SDL_ThreadedTimerCheck();
}
SDL_Delay(1);
}
return(0);
while (timer_alive) {
if (SDL_timer_running) {
SDL_ThreadedTimerCheck();
}
SDL_Delay(1);
}
return (0);
}
/* This is only called if the event thread is not running */
int SDL_SYS_TimerInit(void)
int
SDL_SYS_TimerInit(void)
{
timer_alive = 1;
timer = SDL_CreateThread(RunTimer, NULL);
if ( timer == NULL )
return(-1);
return(SDL_SetTimerThreaded(1));
timer_alive = 1;
timer = SDL_CreateThread(RunTimer, NULL);
if (timer == NULL)
return (-1);
return (SDL_SetTimerThreaded(1));
}
void SDL_SYS_TimerQuit(void)
void
SDL_SYS_TimerQuit(void)
{
timer_alive = 0;
if ( timer ) {
SDL_WaitThread(timer, NULL);
timer = NULL;
}
timer_alive = 0;
if (timer) {
SDL_WaitThread(timer, NULL);
timer = NULL;
}
}
int SDL_SYS_StartTimer(void)
int
SDL_SYS_StartTimer(void)
{
SDL_SetError("Internal logic error: RISC OS uses threaded timer");
return(-1);
SDL_SetError("Internal logic error: RISC OS uses threaded timer");
return (-1);
}
void SDL_SYS_StopTimer(void)
void
SDL_SYS_StopTimer(void)
{
return;
return;
}
#endif /* SDL_THREADS_DISABLED */
#endif /* SDL_TIMER_RISCOS */
/* vi: set ts=4 sw=4 expandtab: */