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Fixed issue with endless waiting for next tic
https://forum.zdoom.org/viewtopic.php?t=58426&p=1028622#p1028547
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1 changed files with 14 additions and 3 deletions
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@ -130,11 +130,22 @@ int I_WaitForTic(int prevtic)
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int time;
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while ((time = I_GetTime()) <= prevtic)
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{
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// Windows-specific note:
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// The minimum amount of time a thread can sleep is controlled by timeBeginPeriod.
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// We set this to 1 ms in DoMain.
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uint64_t sleepTime = NSToMS(FirstFrameStartTime + TicToNS(prevtic + 1) - I_nsTime());
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if (sleepTime > 2)
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std::this_thread::sleep_for(std::chrono::milliseconds(sleepTime - 2));
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const uint64_t next = FirstFrameStartTime + TicToNS(prevtic + 1);
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const uint64_t now = I_nsTime();
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if (next > now)
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{
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const uint64_t sleepTime = NSToMS(next - now);
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if (sleepTime > 2)
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{
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std::this_thread::sleep_for(std::chrono::milliseconds(sleepTime - 2));
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}
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}
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I_SetFrameTime();
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}
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