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[util] Be more robust against timing weirdness when computing vblank count

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This commit is contained in:
Philip Rebohle 2023-06-16 15:55:31 +02:00
parent d1e39be7e7
commit d7fa39c4eb
1 changed files with 3 additions and 0 deletions
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3
src/util/util_misc.h
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@ -36,6 +36,9 @@ namespace dxvk {
*/ */
template<typename TimePoint, typename Duration> template<typename TimePoint, typename Duration>
uint64_t computeRefreshCount(TimePoint t0, TimePoint t1, Duration refreshPeriod) { uint64_t computeRefreshCount(TimePoint t0, TimePoint t1, Duration refreshPeriod) {
if (t1 < t0)
return 0;
auto duration = std::chrono::duration_cast<Duration>(t1 - t0); auto duration = std::chrono::duration_cast<Duration>(t1 - t0);
return duration.count() / refreshPeriod.count(); return duration.count() / refreshPeriod.count();
} }