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Make timer dispatch more efficient

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Kovid Goyal
2018-07-09 21:14:54 +05:30
parent 8e665ffedc
commit 9ced447fa3
1 changed files with 6 additions and 8 deletions
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4
glfw/backend_utils.c vendored
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@@ -179,15 +179,13 @@ dispatchTimers(EventLoopData *eld) {
static struct { timer_callback_func func; id_type id; void* data; } dispatches[sizeof(eld->timers)/sizeof(eld->timers[0])]; static struct { timer_callback_func func; id_type id; void* data; } dispatches[sizeof(eld->timers)/sizeof(eld->timers[0])];
unsigned num_dispatches = 0; unsigned num_dispatches = 0;
double now = monotonic(); double now = monotonic();
for (nfds_t i = 0; i < eld->timers_count && eld->timers[i].trigger_at < DBL_MAX; i++) { for (nfds_t i = 0; i < eld->timers_count && eld->timers[i].trigger_at <= now; i++) {
if (eld->timers[i].trigger_at <= now) {
eld->timers[i].trigger_at = now + eld->timers[i].interval; eld->timers[i].trigger_at = now + eld->timers[i].interval;
dispatches[num_dispatches].func = eld->timers[i].callback; dispatches[num_dispatches].func = eld->timers[i].callback;
dispatches[num_dispatches].id = eld->timers[i].id; dispatches[num_dispatches].id = eld->timers[i].id;
dispatches[num_dispatches].data = eld->timers[i].callback_data; dispatches[num_dispatches].data = eld->timers[i].callback_data;
num_dispatches++; num_dispatches++;
} }
}
// we dispatch separately so that the callbacks can modify timers // we dispatch separately so that the callbacks can modify timers
for (unsigned i = 0; i < num_dispatches; i++) { for (unsigned i = 0; i < num_dispatches; i++) {
dispatches[i].func(dispatches[i].id, dispatches[i].data); dispatches[i].func(dispatches[i].id, dispatches[i].data);