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use a timer in the run loop if there is data work to be done in ra

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This commit is contained in:
Jay McCarthy 2015-05-17 06:22:41 -04:00
parent 38c61771bc
commit c97d74d30b
1 changed files with 67 additions and 14 deletions
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71
ui/drivers/ui_cocoatouch.m
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@ -37,25 +37,31 @@
static id apple_platform;
static CFRunLoopObserverRef iterate_observer;
static CFRunLoopTimerRef iterate_timer;
/* forward declaration */
void apple_rarch_exited(void);
static void rarch_draw(CFRunLoopObserverRef observer,
CFRunLoopActivity activity, void *info)
static void rarch_draw()
{
data_runloop_t *data_runloop = rarch_main_data_get_ptr();
runloop_t *runloop = rarch_main_get_ptr();
int ret = 0;
bool iterate = iterate_observer && !runloop->is_paused;
if (!iterate)
if (iterate)
{
rarch_main_data_iterate();
return;
ret = rarch_main_iterate();
}
ret = rarch_main_iterate();
rarch_main_data_iterate();
if (iterate_timer) {
if (rarch_main_data_active(data_runloop)) {
CFRunLoopAddTimer(CFRunLoopGetMain(), iterate_timer, kCFRunLoopCommonModes);
} else {
CFRunLoopRemoveTimer(CFRunLoopGetMain(), iterate_timer, kCFRunLoopCommonModes);
}
}
if (ret == -1)
{
@ -69,6 +75,18 @@ static void rarch_draw(CFRunLoopObserverRef observer,
CFRunLoopWakeUp(CFRunLoopGetMain());
}
static void rarch_draw_observer(CFRunLoopObserverRef observer,
CFRunLoopActivity activity, void *info)
{
rarch_draw();
}
static void rarch_draw_timer(CFRunLoopTimerRef timer, void *info)
{
rarch_draw();
}
apple_frontend_settings_t apple_frontend_settings;
void get_ios_version(int *major, int *minor)
@ -273,17 +291,36 @@ enum
[self apple_start_iteration];
}
- (void) apple_start_iteration
void apple_start_iterate_observer()
{
if (iterate_observer)
return;
iterate_observer = CFRunLoopObserverCreate(0, kCFRunLoopBeforeWaiting,
true, 0, rarch_draw, 0);
true, 0, rarch_draw_observer, 0);
CFRunLoopAddObserver(CFRunLoopGetMain(), iterate_observer, kCFRunLoopCommonModes);
}
- (void) apple_stop_iteration
void apple_start_iterate_timer()
{
CFTimeInterval interval;
if (iterate_timer)
return;
// This number is a double measured in seconds.
interval = 1.0 / 60.0 / 1000.0;
iterate_timer = CFRunLoopTimerCreate(0, interval, interval, 0, 0, rarch_draw_timer, 0);
}
- (void) apple_start_iteration
{
apple_start_iterate_observer();
apple_start_iterate_timer();
}
void apple_stop_iterate_observer()
{
if (!iterate_observer)
return;
@ -293,6 +330,22 @@ enum
iterate_observer = NULL;
}
void apple_stop_iterate_timer()
{
if (!iterate_timer)
return;
CFRunLoopTimerInvalidate(iterate_timer);
CFRelease(iterate_timer);
iterate_timer = NULL;
}
- (void) apple_stop_iteration
{
apple_stop_iterate_observer();
apple_stop_iterate_timer();
}
- (void)applicationDidEnterBackground:(UIApplication *)application
{