int handle_zoom_box (Desktop * d, CEvent * cwevent)
{
Picture *p;
set_current_from_pointer (d, cwevent);
p = &(d->view[d->current_view].pic);
if (cwevent->state & ControlMask) {
if ((cwevent->button == Button1
&& (cwevent->type == ButtonRelease
|| cwevent->type == ButtonPress))
|| (cwevent->state & Button1Mask && cwevent->type == MotionNotify))
move_marker (p, cwevent);
if (cwevent->button == Button2 && cwevent->type == ButtonRelease)
remove_marker (p, cwevent);
} else {
if (cwevent->button == Button1 && cwevent->type == ButtonRelease)
insert_marker (p, cwevent);
if (cwevent->button == Button2 && cwevent->type == ButtonRelease)
check_button_release (p, cwevent);
}
if (cwevent->type == MotionNotify || cwevent->type == ButtonRelease)
return check_motion (p, cwevent);
return 0;
}
void
pb_SwitchToTimer(struct pb_TimerSet *timers, enum pb_TimerID timer)
{
/* Stop the currently running timer */
if (timers->current != pb_TimerID_NONE) {
struct pb_SubTimerList *subtimerlist = timers->sub_timer_list[timers->current];
struct pb_SubTimer *currSubTimer = (subtimerlist != NULL) ? subtimerlist->current : NULL;
if (!is_async(timers->current) ) {
if (timers->current != timer) {
if (currSubTimer != NULL) {
pb_StopTimerAndSubTimer(&timers->timers[timers->current], &currSubTimer->timer);
} else {
pb_StopTimer(&timers->timers[timers->current]);
}
} else {
if (currSubTimer != NULL) {
pb_StopTimer(&currSubTimer->timer);
}
}
} else {
insert_marker(timers, timer);
if (!is_async(timer)) { // if switching to async too, keep driver going
pb_StopTimer(&timers->timers[pb_TimerID_DRIVER]);
}
}
}
pb_Timestamp currentTime = get_time();
/* The only cases we check for asynchronous task completion is
* when an overlapping CPU operation completes, or the next
* segment blocks on completion of previous async operations */
if( asyncs_outstanding(timers) &&
(!is_async(timers->current) || is_blocking(timer) ) ) {
struct pb_async_time_marker_list * last_event = get_last_async(timers);
/* cudaSuccess if completed */
cudaError_t async_done = cudaEventQuery(*((cudaEvent_t *)last_event->marker));
if(is_blocking(timer)) {
/* Async operations completed after previous CPU operations:
* overlapped time is the total CPU time since this set of async
* operations were first issued */
// timer to switch to is COPY or NONE
if(async_done != cudaSuccess)
accumulate_time(&(timers->timers[pb_TimerID_OVERLAP].elapsed),
timers->async_begin,currentTime);
/* Wait on async operation completion */
cudaEventSynchronize(*((cudaEvent_t *)last_event->marker));
pb_Timestamp total_async_time = record_async_times(timers);
/* Async operations completed before previous CPU operations:
* overlapped time is the total async time */
if(async_done == cudaSuccess)
timers->timers[pb_TimerID_OVERLAP].elapsed += total_async_time;
} else
/* implies (!is_async(timers->current) && asyncs_outstanding(timers)) */
// i.e. Current Not Async (not KERNEL/COPY_ASYNC) but there are outstanding
// so something is deeper in stack
if(async_done == cudaSuccess) {
/* Async operations completed before previous CPU operations:
* overlapped time is the total async time */
timers->timers[pb_TimerID_OVERLAP].elapsed += record_async_times(timers);
}
}
/* Start the new timer */
if (timer != pb_TimerID_NONE) {
if(!is_async(timer)) {
pb_StartTimer(&timers->timers[timer]);
} else {
// toSwitchTo Is Async (KERNEL/COPY_ASYNC)
if (!asyncs_outstanding(timers)) {
/* No asyncs outstanding, insert a fresh async marker */
insert_marker(timers, timer);
timers->async_begin = currentTime;
} else if(!is_async(timers->current)) {
/* Previous asyncs still in flight, but a previous SwitchTo
* already marked the end of the most recent async operation,
* so we can rename that marker as the beginning of this async
* operation */
struct pb_async_time_marker_list * last_event = get_last_async(timers);
last_event->label = NULL;
last_event->timerID = timer;
}
if (!is_async(timers->current)) {
pb_StartTimer(&timers->timers[pb_TimerID_DRIVER]);
}
}
}
timers->current = timer;
}