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Change vsync signal to happen at 60hz, regardless of swap interval (#3642)

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* Change vsync signal to happen at 60hz, regardless of swap interval

* Update Ryujinx.HLE/HOS/Services/SurfaceFlinger/SurfaceFlinger.cs

Co-authored-by: gdkchan <gab.dark.100@gmail.com>

* Fix softlock when toggling vsync

Co-authored-by: gdkchan <gab.dark.100@gmail.com>
This commit is contained in:
riperiperi 2022-09-01 21:57:50 +01:00 committed by GitHub
parent 67cbdc3a6a
commit 38275f9056
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1 changed files with 9 additions and 2 deletions
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Ryujinx.HLE/HOS/Services/SurfaceFlinger/SurfaceFlinger.cs
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@ -35,6 +35,7 @@ namespace Ryujinx.HLE.HOS.Services.SurfaceFlinger
private long _1msTicks; private long _1msTicks;
private int _swapInterval; private int _swapInterval;
private int _swapIntervalDelay;
private readonly object Lock = new object(); private readonly object Lock = new object();
@ -91,7 +92,7 @@ namespace Ryujinx.HLE.HOS.Services.SurfaceFlinger
} }
else else
{ {
_ticksPerFrame = Stopwatch.Frequency / (TargetFps / _swapInterval); _ticksPerFrame = Stopwatch.Frequency / TargetFps;
} }
} }
@ -321,9 +322,15 @@ namespace Ryujinx.HLE.HOS.Services.SurfaceFlinger
lastTicks = ticks; lastTicks = ticks;
if (_ticks >= _ticksPerFrame) if (_ticks >= _ticksPerFrame)
{
if (_swapIntervalDelay-- == 0)
{ {
Compose(); Compose();
// When a frame is presented, delay the next one by its swap interval value.
_swapIntervalDelay = Math.Max(0, _swapInterval - 1);
}
_device.System?.SignalVsync(); _device.System?.SignalVsync();
// Apply a maximum bound of 3 frames to the tick remainder, in case some event causes Ryujinx to pause for a long time or messes with the timer. // Apply a maximum bound of 3 frames to the tick remainder, in case some event causes Ryujinx to pause for a long time or messes with the timer.