sgilissen/llamaplayer
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Timer: Improve SleepUntil()

Browse Source
This commit is contained in:
Connor McLaughlin
2022-12-04 15:40:46 +10:00
parent 13f7672a78
commit f8cb480779
2 changed files with 13 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
src/core/host_display.cpp
View File

@ -124,12 +124,17 @@ void HostDisplay::ThrottlePresentation()
const u64 sleep_period = Common::Timer::ConvertNanosecondsToValue(1e+9f / static_cast<double>(throttle_rate));
const u64 current_ts = Common::Timer::GetCurrentValue();
if (current_ts >= m_last_frame_displayed_time)
// Allow it to fall behind/run ahead up to 2*period. Sleep isn't that precise, plus we need to
// allow time for the actual rendering.
const u64 max_variance = sleep_period * 2;
if (static_cast<u64>(std::abs(static_cast<s64>(current_ts - m_last_frame_displayed_time))) > max_variance)
m_last_frame_displayed_time = current_ts + sleep_period;
else
m_last_frame_displayed_time += sleep_period;
Common::Timer tt;
Common::Timer::SleepUntil(m_last_frame_displayed_time, false);
Log_WarningPrintf("sleep time %.2f ms", tt.GetTimeMilliseconds());
}
bool HostDisplay::GetHostRefreshRate(float* refresh_rate)