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Implement a "Pause Emulation" option & hotkey (#2428)

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* Add a "Pause Emulation" option and hotkey

Closes Ryujinx#1604

* Refactoring how pause is handled

* Applied suggested changes from review

* Applied suggested fixes

* Pass correct suspend type to threads for suspend/resume

* Fix NRE after stoping emulation

* Removing SimulateWakeUpMessage call after resuming emulation

* Skip suspending non game process

* Pause the tickCounter in the ExecutionContext

* Refactoring tickCounter pause/resume as suggested

* Fix Config migration to add pause hotkey

* Fixed pausing only application threads

* Fix exiting emulator while paused

* Avoid pause/resume while already paused/resumed

* Cleanup unused code

* Avoid restarting audio if stopping emulation while in pause.

* Added suggested changes

* Fix ConfigurationState
This commit is contained in:
mpnico 2021-09-11 22:08:25 +02:00 committed by GitHub
parent b0e410a828
commit 117e32a6ff
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
21 changed files with 311 additions and 54 deletions
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10
ARMeilleure/State/ExecutionContext.cs
View file

@ -145,6 +145,16 @@ namespace ARMeilleure.State
_nativeContext.SetCounter(0);
}
public static void SuspendCounter()
{
_tickCounter.Stop();
}
public static void ResumeCounter()
{
_tickCounter.Start();
}
public void Dispose()
{
_nativeContext.Dispose();

9
Ryujinx.Audio.Backends.OpenAL/OpenALHardwareDeviceDriver.cs
View file

@ -15,6 +15,7 @@ namespace Ryujinx.Audio.Backends.OpenAL
private readonly ALDevice _device;
private readonly ALContext _context;
private readonly ManualResetEvent _updateRequiredEvent;
private readonly ManualResetEvent _pauseEvent;
private readonly ConcurrentDictionary<OpenALHardwareDeviceSession, byte> _sessions;
private bool _stillRunning;
private Thread _updaterThread;
@ -24,6 +25,7 @@ namespace Ryujinx.Audio.Backends.OpenAL
_device = ALC.OpenDevice("");
_context = ALC.CreateContext(_device, new ALContextAttributes());
_updateRequiredEvent = new ManualResetEvent(false);
_pauseEvent = new ManualResetEvent(true);
_sessions = new ConcurrentDictionary<OpenALHardwareDeviceSession, byte>();
_stillRunning = true;
@ -88,6 +90,11 @@ namespace Ryujinx.Audio.Backends.OpenAL
return _updateRequiredEvent;
}
public ManualResetEvent GetPauseEvent()
{
return _pauseEvent;
}
private void Update()
{
ALC.MakeContextCurrent(_context);
@ -132,6 +139,8 @@ namespace Ryujinx.Audio.Backends.OpenAL
ALC.DestroyContext(_context);
ALC.CloseDevice(_device);
_pauseEvent.Dispose();
}
}

9
Ryujinx.Audio.Backends.SDL2/SDL2HardwareDeviceDriver.cs
View file

@ -15,11 +15,13 @@ namespace Ryujinx.Audio.Backends.SDL2
public class SDL2HardwareDeviceDriver : IHardwareDeviceDriver
{
private readonly ManualResetEvent _updateRequiredEvent;
private readonly ManualResetEvent _pauseEvent;
private readonly ConcurrentDictionary<SDL2HardwareDeviceSession, byte> _sessions;
public SDL2HardwareDeviceDriver()
{
_updateRequiredEvent = new ManualResetEvent(false);
_pauseEvent = new ManualResetEvent(true);
_sessions = new ConcurrentDictionary<SDL2HardwareDeviceSession, byte>();
SDL2Driver.Instance.Initialize();
@ -44,6 +46,11 @@ namespace Ryujinx.Audio.Backends.SDL2
return _updateRequiredEvent;
}
public ManualResetEvent GetPauseEvent()
{
return _pauseEvent;
}
public IHardwareDeviceSession OpenDeviceSession(Direction direction, IVirtualMemoryManager memoryManager, SampleFormat sampleFormat, uint sampleRate, uint channelCount)
{
if (channelCount == 0)
@ -136,6 +143,8 @@ namespace Ryujinx.Audio.Backends.SDL2
}
SDL2Driver.Instance.Dispose();
_pauseEvent.Dispose();
}
}

8
Ryujinx.Audio.Backends.SoundIo/SoundIoHardwareDeviceDriver.cs
View file

@ -15,6 +15,7 @@ namespace Ryujinx.Audio.Backends.SoundIo
private readonly SoundIO _audioContext;
private readonly SoundIODevice _audioDevice;
private readonly ManualResetEvent _updateRequiredEvent;
private readonly ManualResetEvent _pauseEvent;
private readonly ConcurrentDictionary<SoundIoHardwareDeviceSession, byte> _sessions;
private int _disposeState;
@ -22,6 +23,7 @@ namespace Ryujinx.Audio.Backends.SoundIo
{
_audioContext = new SoundIO();
_updateRequiredEvent = new ManualResetEvent(false);
_pauseEvent = new ManualResetEvent(true);
_sessions = new ConcurrentDictionary<SoundIoHardwareDeviceSession, byte>();
_audioContext.Connect();
@ -123,6 +125,11 @@ namespace Ryujinx.Audio.Backends.SoundIo
return _updateRequiredEvent;
}
public ManualResetEvent GetPauseEvent()
{
return _pauseEvent;
}
public IHardwareDeviceSession OpenDeviceSession(Direction direction, IVirtualMemoryManager memoryManager, SampleFormat sampleFormat, uint sampleRate, uint channelCount)
{
if (channelCount == 0)
@ -218,6 +225,7 @@ namespace Ryujinx.Audio.Backends.SoundIo
_audioContext.Disconnect();
_audioContext.Dispose();
_pauseEvent.Dispose();
}
}

14
Ryujinx.Audio/AudioManager.cs
View file

@ -45,6 +45,8 @@ namespace Ryujinx.Audio
/// </summary>
private Thread _workerThread;
private bool _isRunning;
/// <summary>
/// Create a new <see cref="AudioManager"/>.
/// </summary>
@ -52,6 +54,7 @@ namespace Ryujinx.Audio
{
_updateRequiredEvents = new ManualResetEvent[2];
_actions = new Action[2];
_isRunning = false;
// Termination event.
_updateRequiredEvents[1] = new ManualResetEvent(false);
@ -72,6 +75,7 @@ namespace Ryujinx.Audio
throw new InvalidOperationException();
}
_isRunning = true;
_workerThread.Start();
}
@ -96,7 +100,7 @@ namespace Ryujinx.Audio
/// </summary>
private void Update()
{
while (true)
while (_isRunning)
{
int index = WaitHandle.WaitAny(_updateRequiredEvents);
@ -118,6 +122,14 @@ namespace Ryujinx.Audio
}
}
/// <summary>
/// Stop updating the <see cref="AudioManager"/> without stopping the worker thread.
/// </summary>
public void StopUpdates()
{
_isRunning = false;
}
public void Dispose()
{
Dispose(true);

5
Ryujinx.Audio/Backends/CompatLayer/CompatLayerHardwareDeviceDriver.cs
View file

@ -47,6 +47,11 @@ namespace Ryujinx.Audio.Backends.CompatLayer
return _realDriver.GetUpdateRequiredEvent();
}
public ManualResetEvent GetPauseEvent()
{
return _realDriver.GetPauseEvent();
}
private uint SelectHardwareChannelCount(uint targetChannelCount)
{
if (_realDriver.SupportsChannelCount(targetChannelCount))

8
Ryujinx.Audio/Backends/Dummy/DummyHardwareDeviceDriver.cs
View file

@ -27,10 +27,12 @@ namespace Ryujinx.Audio.Backends.Dummy
public class DummyHardwareDeviceDriver : IHardwareDeviceDriver
{
private ManualResetEvent _updateRequiredEvent;
private ManualResetEvent _pauseEvent;
public DummyHardwareDeviceDriver()
{
_updateRequiredEvent = new ManualResetEvent(false);
_pauseEvent = new ManualResetEvent(true);
}
public IHardwareDeviceSession OpenDeviceSession(Direction direction, IVirtualMemoryManager memoryManager, SampleFormat sampleFormat, uint sampleRate, uint channelCount)
@ -60,6 +62,11 @@ namespace Ryujinx.Audio.Backends.Dummy
return _updateRequiredEvent;
}
public ManualResetEvent GetPauseEvent()
{
return _pauseEvent;
}
public void Dispose()
{
Dispose(true);
@ -70,6 +77,7 @@ namespace Ryujinx.Audio.Backends.Dummy
if (disposing)
{
// NOTE: The _updateRequiredEvent will be disposed somewhere else.
_pauseEvent.Dispose();
}
}

1
Ryujinx.Audio/Integration/IHardwareDeviceDriver.cs
View file

@ -36,6 +36,7 @@ namespace Ryujinx.Audio.Integration
IHardwareDeviceSession OpenDeviceSession(Direction direction, IVirtualMemoryManager memoryManager, SampleFormat sampleFormat, uint sampleRate, uint channelCount);
ManualResetEvent GetUpdateRequiredEvent();
ManualResetEvent GetPauseEvent();
bool SupportsDirection(Direction direction);
bool SupportsSampleRate(uint sampleRate);

5
Ryujinx.Audio/Renderer/Dsp/AudioProcessor.cs
View file

@ -55,6 +55,8 @@ namespace Ryujinx.Audio.Renderer.Dsp
private long _playbackEnds;
private ManualResetEvent _event;
private ManualResetEvent _pauseEvent;
public AudioProcessor()
{
_event = new ManualResetEvent(false);
@ -94,6 +96,7 @@ namespace Ryujinx.Audio.Renderer.Dsp
_sessionCommandList = new RendererSession[Constants.AudioRendererSessionCountMax];
_event.Reset();
_lastTime = PerformanceCounter.ElapsedNanoseconds;
_pauseEvent = deviceDriver.GetPauseEvent();
StartThread();
@ -202,6 +205,8 @@ namespace Ryujinx.Audio.Renderer.Dsp
while (true)
{
_pauseEvent?.WaitOne();
MailboxMessage message = _mailbox.ReceiveMessage();
if (message == MailboxMessage.Stop)

8
Ryujinx.Audio/Renderer/Server/AudioRendererManager.cs
View file

@ -214,6 +214,14 @@ namespace Ryujinx.Audio.Renderer.Server
Logger.Info?.Print(LogClass.AudioRenderer, "Stopped audio renderer");
}
/// <summary>
/// Stop sending commands to the <see cref="AudioProcessor"/> without stopping the worker thread.
/// </summary>
public void StopSendingCommands()
{
_isRunning = false;
}
/// <summary>
/// Worker main function. This is used to dispatch audio renderer commands to the <see cref="AudioProcessor"/>.
/// </summary>

1
Ryujinx.Common/Configuration/Hid/KeyboardHotkeys.cs
View file

@ -5,5 +5,6 @@
public Key ToggleVsync { get; set; }
public Key Screenshot { get; set; }
public Key ShowUi { get; set; }
public Key Pause { get; set; }
}
}

35
Ryujinx.HLE/HOS/Horizon.cs
View file

@ -113,6 +113,8 @@ namespace Ryujinx.HLE.HOS
internal LibHacHorizonManager LibHacHorizonManager { get; private set; }
public bool IsPaused { get; private set; }
public Horizon(Switch device)
{
KernelContext = new KernelContext(
@ -385,6 +387,12 @@ namespace Ryujinx.HLE.HOS
{
_isDisposed = true;
// "Soft" stops AudioRenderer and AudioManager to avoid some sound between resume and stop.
AudioRendererManager.StopSendingCommands();
AudioManager.StopUpdates();
TogglePauseEmulation(false);
KProcess terminationProcess = new KProcess(KernelContext);
KThread terminationThread = new KThread(KernelContext);
@ -444,5 +452,32 @@ namespace Ryujinx.HLE.HOS
KernelContext.Dispose();
}
}
public void TogglePauseEmulation(bool pause)
{
lock (KernelContext.Processes)
{
foreach (KProcess process in KernelContext.Processes.Values)
{
if (process.Flags.HasFlag(ProcessCreationFlags.IsApplication))
{
// Only game process should be paused.
process.SetActivity(pause);
}
}
if (pause && !IsPaused)
{
Device.AudioDeviceDriver.GetPauseEvent().Reset();
ARMeilleure.State.ExecutionContext.SuspendCounter();
}
else if (!pause && IsPaused)
{
Device.AudioDeviceDriver.GetPauseEvent().Set();
ARMeilleure.State.ExecutionContext.ResumeCounter();
}
}
IsPaused = pause;
}
}
}

55
Ryujinx.HLE/HOS/Kernel/Process/KProcess.cs
View file

@ -1082,5 +1082,60 @@ namespace Ryujinx.HLE.HOS.Kernel.Process
}
protected override void Destroy() => Context.Dispose();
public KernelResult SetActivity(bool pause)
{
KernelContext.CriticalSection.Enter();
if (State != ProcessState.Exiting && State != ProcessState.Exited)
{
if (pause)
{
if (IsPaused)
{
KernelContext.CriticalSection.Leave();
return KernelResult.InvalidState;
}
lock (_threadingLock)
{
foreach (KThread thread in _threads)
{
thread.Suspend(ThreadSchedState.ProcessPauseFlag);
}
}
IsPaused = true;
}
else
{
if (!IsPaused)
{
KernelContext.CriticalSection.Leave();
return KernelResult.InvalidState;
}
lock (_threadingLock)
{
foreach (KThread thread in _threads)
{
thread.Resume(ThreadSchedState.ProcessPauseFlag);
}
}
IsPaused = false;
}
KernelContext.CriticalSection.Leave();
return KernelResult.Success;
}
KernelContext.CriticalSection.Leave();
return KernelResult.InvalidState;
}
}
}

67
Ryujinx.HLE/HOS/Kernel/Threading/KThread.cs
View file

@ -471,6 +471,29 @@ namespace Ryujinx.HLE.HOS.Kernel.Threading
KernelContext.CriticalSection.Leave();
}
public void Suspend(ThreadSchedState type)
{
_forcePauseFlags |= type;
CombineForcePauseFlags();
}
public void Resume(ThreadSchedState type)
{
ThreadSchedState oldForcePauseFlags = _forcePauseFlags;
_forcePauseFlags &= ~type;
if ((oldForcePauseFlags & ~type) == ThreadSchedState.None)
{
ThreadSchedState oldSchedFlags = SchedFlags;
SchedFlags &= ThreadSchedState.LowMask;
AdjustScheduling(oldSchedFlags);
}
}
public KernelResult SetActivity(bool pause)
{
KernelResult result = KernelResult.Success;
@ -495,9 +518,7 @@ namespace Ryujinx.HLE.HOS.Kernel.Threading
// Pause, the force pause flag should be clear (thread is NOT paused).
if ((_forcePauseFlags & ThreadSchedState.ThreadPauseFlag) == 0)
{
_forcePauseFlags |= ThreadSchedState.ThreadPauseFlag;
CombineForcePauseFlags();
Suspend(ThreadSchedState.ThreadPauseFlag);
}
else
{
@ -509,18 +530,7 @@ namespace Ryujinx.HLE.HOS.Kernel.Threading
// Unpause, the force pause flag should be set (thread is paused).
if ((_forcePauseFlags & ThreadSchedState.ThreadPauseFlag) != 0)
{
ThreadSchedState oldForcePauseFlags = _forcePauseFlags;
_forcePauseFlags &= ~ThreadSchedState.ThreadPauseFlag;
if ((oldForcePauseFlags & ~ThreadSchedState.ThreadPauseFlag) == ThreadSchedState.None)
{
ThreadSchedState oldSchedFlags = SchedFlags;
SchedFlags &= ThreadSchedState.LowMask;
AdjustScheduling(oldSchedFlags);
}
Resume(ThreadSchedState.ThreadPauseFlag);
}
else
{
@ -832,19 +842,22 @@ namespace Ryujinx.HLE.HOS.Kernel.Threading
if (!IsSchedulable)
{
// Ensure our thread is running and we have an event.
StartHostThread();
if (!_forcedUnschedulable)
{
// Ensure our thread is running and we have an event.
StartHostThread();
// If the thread is not schedulable, we want to just run or pause
// it directly as we don't care about priority or the core it is
// running on in this case.
if (SchedFlags == ThreadSchedState.Running)
{
_schedulerWaitEvent.Set();
}
else
{
_schedulerWaitEvent.Reset();
// If the thread is not schedulable, we want to just run or pause
// it directly as we don't care about priority or the core it is
// running on in this case.
if (SchedFlags == ThreadSchedState.Running)
{
_schedulerWaitEvent.Set();
}
else
{
_schedulerWaitEvent.Reset();
}
}
return;

3
Ryujinx/Config.json
View file

@ -60,7 +60,8 @@
"hotkeys": {
"toggle_vsync": "Tab",
"screenshot": "F8",
"show_ui": "F4"
"show_ui": "F4",
"pause": "F5"
},
"keyboard_config": [],
"controller_config": [],

2
Ryujinx/Configuration/ConfigurationFileFormat.cs
View file

@ -14,7 +14,7 @@ namespace Ryujinx.Configuration
/// <summary>
/// The current version of the file format
/// </summary>
public const int CurrentVersion = 31;
public const int CurrentVersion = 32;
public int Version { get; set; }

18
Ryujinx/Configuration/ConfigurationState.cs
View file

@ -554,7 +554,8 @@ namespace Ryujinx.Configuration
{
ToggleVsync = Key.Tab,
Screenshot = Key.F8,
ShowUi = Key.F4
ShowUi = Key.F4,
Pause = Key.F5
};
Hid.InputConfig.Value = new List<InputConfig>
{
@ -913,6 +914,21 @@ namespace Ryujinx.Configuration
configurationFileUpdated = true;
}
if (configurationFileFormat.Version < 32)
{
Common.Logging.Logger.Warning?.Print(LogClass.Application, $"Outdated configuration version {configurationFileFormat.Version}, migrating to version 32.");
configurationFileFormat.Hotkeys = new KeyboardHotkeys
{
ToggleVsync = configurationFileFormat.Hotkeys.ToggleVsync,
Screenshot = configurationFileFormat.Hotkeys.Screenshot,
ShowUi = configurationFileFormat.Hotkeys.ShowUi,
Pause = Key.F5
};
configurationFileUpdated = true;
}
Logger.EnableFileLog.Value = configurationFileFormat.EnableFileLog;
Graphics.BackendThreading.Value = configurationFileFormat.BackendThreading;
Graphics.ResScale.Value = configurationFileFormat.ResScale;

32
Ryujinx/Ui/MainWindow.cs
View file

@ -99,6 +99,8 @@ namespace Ryujinx.Ui
[GUI] MenuItem _loadApplicationFolder;
[GUI] MenuItem _appletMenu;
[GUI] MenuItem _actionMenu;
[GUI] MenuItem _pauseEmulation;
[GUI] MenuItem _resumeEmulation;
[GUI] MenuItem _stopEmulation;
[GUI] MenuItem _simulateWakeUpMessage;
[GUI] MenuItem _scanAmiibo;
@ -211,6 +213,7 @@ namespace Ryujinx.Ui
}
_actionMenu.Sensitive = false;
_pauseEmulation.Sensitive = false;
if (ConfigurationState.Instance.Ui.GuiColumns.FavColumn) _favToggle.Active = true;
if (ConfigurationState.Instance.Ui.GuiColumns.IconColumn) _iconToggle.Active = true;
@ -1281,9 +1284,38 @@ namespace Ryujinx.Ui
UpdateGameMetadata(_emulationContext.Application.TitleIdText);
}
_pauseEmulation.Visible = true;
_pauseEmulation.Sensitive = false;
_resumeEmulation.Visible = false;
RendererWidget?.Exit();
}
private void PauseEmulation_Pressed(object sender, EventArgs args)
{
_pauseEmulation.Visible = false;
_resumeEmulation.Visible = true;
_emulationContext.System.TogglePauseEmulation(true);
}
private void ResumeEmulation_Pressed(object sender, EventArgs args)
{
_pauseEmulation.Visible = true;
_resumeEmulation.Visible = false;
_emulationContext.System.TogglePauseEmulation(false);
}
public void ActivatePauseMenu()
{
_pauseEmulation.Sensitive = true;
}
public void TogglePause()
{
_pauseEmulation.Visible ^= true;
_resumeEmulation.Visible ^= true;
_emulationContext.System.TogglePauseEmulation(_resumeEmulation.Visible);
}
private void Installer_File_Pressed(object o, EventArgs args)
{
FileChooserDialog fileChooser = new FileChooserDialog("Choose the firmware file to open", this, FileChooserAction.Open, "Cancel", ResponseType.Cancel, "Open", ResponseType.Accept);

38
Ryujinx/Ui/MainWindow.glade
View file

@ -294,15 +294,35 @@
<property name="visible">True</property>
<property name="can_focus">False</property>
<child>
<object class="GtkMenuItem" id="_stopEmulation">
<property name="visible">True</property>
<property name="can_focus">False</property>
<property name="tooltip_text" translatable="yes">Stop emulation of the current game and return to game selection</property>
<property name="label" translatable="yes">Stop Emulation</property>
<property name="use_underline">True</property>
<signal name="activate" handler="StopEmulation_Pressed" swapped="no"/>
</object>
</child>
<object class="GtkMenuItem" id="_pauseEmulation">
<property name="visible">True</property>
<property name="can_focus">False</property>
<property name="tooltip_text" translatable="yes">Pause emulation</property>
<property name="label" translatable="yes">Pause Emulation</property>
<property name="use_underline">True</property>
<signal name="activate" handler="PauseEmulation_Pressed" swapped="no"/>
</object>
</child>
<child>
<object class="GtkMenuItem" id="_resumeEmulation">
<property name="visible">False</property>
<property name="can_focus">False</property>
<property name="tooltip_text" translatable="yes">Resume emulation</property>
<property name="label" translatable="yes">Resume Emulation</property>
<property name="use_underline">True</property>
<signal name="activate" handler="ResumeEmulation_Pressed" swapped="no"/>
</object>
</child>
<child>
<object class="GtkMenuItem" id="_stopEmulation">
<property name="visible">True</property>
<property name="can_focus">False</property>
<property name="tooltip_text" translatable="yes">Stop emulation of the current game and return to game selection</property>
<property name="label" translatable="yes">Stop Emulation</property>
<property name="use_underline">True</property>
<signal name="activate" handler="StopEmulation_Pressed" swapped="no"/>
</object>
</child>
<child>
<object class="GtkSeparatorMenuItem">
<property name="visible">True</property>

16
Ryujinx/Ui/RendererWidgetBase.cs
View file

@ -389,6 +389,8 @@ namespace Ryujinx.Ui
Device.Gpu.InitializeShaderCache();
Translator.IsReadyForTranslation.Set();
(Toplevel as MainWindow)?.ActivatePauseMenu();
while (_isActive)
{
if (_isStopped)
@ -590,6 +592,12 @@ namespace Ryujinx.Ui
(Toplevel as MainWindow).ToggleExtraWidgets(true);
}
if (currentHotkeyState.HasFlag(KeyboardHotkeyState.Pause) &&
!_prevHotkeyState.HasFlag(KeyboardHotkeyState.Pause))
{
(Toplevel as MainWindow)?.TogglePause();
}
_prevHotkeyState = currentHotkeyState;
}
@ -618,7 +626,8 @@ namespace Ryujinx.Ui
None = 0,
ToggleVSync = 1 << 0,
Screenshot = 1 << 1,
ShowUi = 1 << 2
ShowUi = 1 << 2,
Pause = 1 << 3
}
private KeyboardHotkeyState GetHotkeyState()
@ -640,6 +649,11 @@ namespace Ryujinx.Ui
state |= KeyboardHotkeyState.ShowUi;
}
if (_keyboardInterface.IsPressed((Key)ConfigurationState.Instance.Hid.Hotkeys.Value.Pause))
{
state |= KeyboardHotkeyState.Pause;
}
return state;
}
}

21
Ryujinx/_schema.json
View file

@ -908,18 +908,6 @@
}
},
"properties": {
"backend_threading": {
"$id": "#/properties/backend_threading",
"type": "string",
"title": "Backend Threading",
"description": "Whether backend threading is enabled or not. 'Auto' selects the most appropriate option for the current OS, vendor and backend.",
"default": "Auto",
"examples": [
"Auto",
"Off",
"On"
]
},
"res_scale": {
"$id": "#/properties/res_scale",
"type": "integer",
@ -1468,7 +1456,8 @@
"title": "Hotkey Controls",
"required": [
"toggle_vsync",
"screenshot"
"screenshot",
"pause"
],
"properties": {
"toggle_vsync": {
@ -1482,6 +1471,12 @@
"$ref": "#/definitions/key",
"title": "Screenshot",
"default": "F8"
},
"pause": {
"$id": "#/properties/hotkeys/properties/pause",
"$ref": "#/definitions/key",
"title": "Toggle Pause",
"default": "F5"
}
}
},