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/* TimerResolutionGuard.cpp
Copyright (c) 2025 by TomGoodIdea
Endless Sky is free software: you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the Free Software
Foundation, either version 3 of the License, or (at your option) any later version.
Endless Sky is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with
this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include "TimerResolutionGuard.h"
#include <windows.h>
#include <timeapi.h>
TimerResolutionGuard::TimerResolutionGuard()
{
// Make sure that the sleep timer has at least 1 ms resolution
// to avoid irregular frame rates.
timeBeginPeriod(1);
}
TimerResolutionGuard::~TimerResolutionGuard()
{
// Reset the timer resolution so that it doesn't affect performance of the whole OS.
timeEndPeriod(1);
}
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