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Merge pull request #19639 from peppy/fix-fps-damping

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Fix incorrect FPS damping implementation
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Dan Balasescu 2022-08-09 17:03:55 +09:00 committed by GitHub
commit d80db2aee7
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1 changed files with 9 additions and 4 deletions
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13
osu.Game/Graphics/UserInterface/FPSCounter.cs
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@ -167,6 +167,11 @@ namespace osu.Game.Graphics.UserInterface
{
base.Update();
// If the game goes into a suspended state (ie. debugger attached or backgrounded on a mobile device)
// we want to ignore really long periods of no processing.
if (updateClock.ElapsedFrameTime > 10000)
return;
mainContent.Width = Math.Max(mainContent.Width, counters.DrawWidth);
// Handle the case where the window has become inactive or the user changed the
@ -177,15 +182,15 @@ namespace osu.Game.Graphics.UserInterface
// use elapsed frame time rather then FramesPerSecond to better catch stutter frames.
bool hasDrawSpike = displayedFpsCount > (1000 / spike_time_ms) && drawClock.ElapsedFrameTime > spike_time_ms;
// note that we use an elapsed time here of 1 intentionally.
// this weights all updates equally. if we passed in the elapsed time, longer frames would be weighted incorrectly lower.
displayedFrameTime = Interpolation.DampContinuously(displayedFrameTime, updateClock.ElapsedFrameTime, hasUpdateSpike ? 0 : 100, 1);
const float damp_time = 100;
displayedFrameTime = Interpolation.DampContinuously(displayedFrameTime, updateClock.ElapsedFrameTime, hasUpdateSpike ? 0 : damp_time, updateClock.ElapsedFrameTime);
if (hasDrawSpike)
// show spike time using raw elapsed value, to account for `FramesPerSecond` being so averaged spike frames don't show.
displayedFpsCount = 1000 / drawClock.ElapsedFrameTime;
else
displayedFpsCount = Interpolation.DampContinuously(displayedFpsCount, drawClock.FramesPerSecond, 100, Time.Elapsed);
displayedFpsCount = Interpolation.DampContinuously(displayedFpsCount, drawClock.FramesPerSecond, damp_time, Time.Elapsed);
if (Time.Current - lastUpdate > min_time_between_updates)
{