Add disable vsync and custom tickrate options

src/overlaycontroller.cpp

@@ -313,6 +313,32 @@ OverlayController::OverlayController( bool desktopMode,
         appSettings()->setValue( "keyboardThree", defaultDiscordMuteBindings );
     }
     appSettings()->endGroup();
+
+    // Keep the settings for vsyncDisabled here in main overlaycontroller
+    appSettings()->beginGroup( "applicationSettings" );
+    auto value = appSettings()->value( "vsyncDisabled", m_vsyncDisabled );
+    if ( value.isValid() && !value.isNull() )
+    {
+        m_vsyncDisabled = value.toBool();
+    }
+    value = appSettings()->value( "customTickRateMs", m_customTickRateMs );
+    if ( value.isValid() && !value.isNull() )
+    {
+        // keep sane tickrate (between 1~k_maxCustomTickRate)
+        if ( value.toInt() < 1 )
+        {
+            m_customTickRateMs = 1;
+        }
+        else if ( value.toInt() > k_maxCustomTickRate )
+        {
+            m_customTickRateMs = k_maxCustomTickRate;
+        }
+        else
+        {
+            m_customTickRateMs = value.toInt();
+        }
+    }
+    appSettings()->endGroup();
 }
 
 OverlayController::~OverlayController()
@@ -706,35 +732,115 @@ void OverlayController::processInputBindings()
     processKeyboardBindings();
 }
 
+bool OverlayController::vsyncDisabled() const
+{
+    return m_vsyncDisabled;
+}
+
+void OverlayController::setVsyncDisabled( bool value, bool notify )
+{
+    if ( m_vsyncDisabled == value )
+    {
+        return;
+    }
+    m_vsyncDisabled = value;
+    appSettings()->beginGroup( "applicationSettings" );
+    appSettings()->setValue( "vsyncDisabled", m_vsyncDisabled );
+    appSettings()->endGroup();
+    appSettings()->sync();
+    if ( notify )
+    {
+        emit vsyncDisabledChanged( m_vsyncDisabled );
+    }
+}
+
+int OverlayController::customTickRateMs() const
+{
+    return m_customTickRateMs;
+}
+
+void OverlayController::setCustomTickRateMs( int value, bool notify )
+{
+    if ( m_customTickRateMs == value )
+    {
+        return;
+    }
+    // keep m_customTickRateMs sane (between 1~k_maxCustomTickRate)
+    if ( value < 1 )
+    {
+        m_customTickRateMs = 1;
+    }
+    else if ( value > k_maxCustomTickRate )
+    {
+        m_customTickRateMs = k_maxCustomTickRate;
+    }
+    else
+    {
+        m_customTickRateMs = value;
+    }
+
+    appSettings()->beginGroup( "applicationSettings" );
+    appSettings()->setValue( "customTickRateMs", m_customTickRateMs );
+    appSettings()->endGroup();
+    appSettings()->sync();
+    if ( notify )
+    {
+        emit customTickRateMsChanged( m_customTickRateMs );
+    }
+}
+
 // vsync implementation:
-// (this function triggers every 1ms)
+// this function triggers every 1ms
+// this function should remain lightweight and only check if it's time to run
+// mainEventLoop() or not.
 void OverlayController::OnTimeoutPumpEvents()
 {
-    // get the current frame number from the VRSystem frame counter
-    vr::VRSystem()->GetTimeSinceLastVsync( nullptr, &m_currentFrame );
-
-    // Check if we are in the next frame yet
-    if ( m_currentFrame > m_lastFrame )
+    if ( m_vsyncDisabled )
     {
-        // If the frame has advanced since last check, it's time for our main
-        // event loop. (this function should trigger about every 11ms assuming
-        // 90fps compositor)
-        mainEventLoop();
+        // check if it's time for a custom tick rate tick
+        if ( m_customTickRateCounter > m_customTickRateMs )
+        {
+            mainEventLoop();
+            m_customTickRateCounter = 0;
+        }
+        else
+        {
+            m_customTickRateCounter++;
+        }
+    }
 
-        // wait for the next frame after executing our main event loop once.
-        m_lastFrame = m_currentFrame;
-        m_vsyncTooLateCounter = 0;
-    }
-    else if ( m_vsyncTooLateCounter >= k_nonVsyncTickRate )
+    // vsync is enabled
+    else
     {
-        mainEventLoop();
-        // m_lastFrame = m_currentFrame + 1 skips the next vsync frame in case
-        // it was just about to trigger, to prevent double updates faster than
-        // 11ms.
-        m_lastFrame = m_currentFrame + 1;
-        m_vsyncTooLateCounter = 0;
+        // get the current frame number from the VRSystem frame counter
+        vr::VRSystem()->GetTimeSinceLastVsync( nullptr, &m_currentFrame );
+
+        // Check if we are in the next frame yet
+        if ( m_currentFrame > m_lastFrame )
+        {
+            // If the frame has advanced since last check, it's time for our
+            // main event loop. (this function should trigger about every 11ms
+            // assuming 90fps compositor)
+            mainEventLoop();
+
+            // wait for the next frame after executing our main event loop once.
+            m_lastFrame = m_currentFrame;
+            m_vsyncTooLateCounter = 0;
+        }
+        else if ( m_vsyncTooLateCounter >= k_nonVsyncTickRate )
+        {
+            mainEventLoop();
+            // m_lastFrame = m_currentFrame + 1 skips the next vsync frame in
+            // case it was just about to trigger, to prevent double updates
+            // faster than 11ms.
+            m_lastFrame = m_currentFrame + 1;
+            m_vsyncTooLateCounter = 0;
+        }
+        else
+        {
+            m_vsyncTooLateCounter++;
+        }
     }
-    m_vsyncTooLateCounter++;
 }
 
 void OverlayController::mainEventLoop()

src/overlaycontroller.h

@@ -72,12 +72,17 @@ constexpr int k_utilitiesSettingsUpdateCounter = 19;
 // k_nonVsyncTickRate determines number of ms we wait to force the next event
 // loop tick when vsync is too late due to dropped frames.
 constexpr int k_nonVsyncTickRate = 20;
+constexpr int k_maxCustomTickRate = 999;
 constexpr int k_hmdRotationCounterUpdateRate = 7;
 
 class OverlayController : public QObject
 {
     Q_OBJECT
     Q_PROPERTY( bool m_desktopMode READ isDesktopMode )
+    Q_PROPERTY( bool vsyncDisabled READ vsyncDisabled WRITE setVsyncDisabled
+                    NOTIFY vsyncDisabledChanged )
+    Q_PROPERTY( int customTickRateMs READ customTickRateMs WRITE
+                    setCustomTickRateMs NOTIFY customTickRateMsChanged )
 
 private:
     vr::VROverlayHandle_t m_ulOverlayHandle = vr::k_ulOverlayHandleInvalid;
@@ -99,6 +104,8 @@ private:
 
     bool m_desktopMode;
     bool m_noSound;
+    bool m_vsyncDisabled = false;
+    int m_customTickRateMs = 20;
 
     QUrl m_runtimePathUrl;
 
@@ -111,6 +118,7 @@ private:
     uint64_t m_currentFrame = 0;
     uint64_t m_lastFrame = 0;
     int m_vsyncTooLateCounter = 0;
+    int m_customTickRateCounter = 0;
 
     input::SteamIVRInput m_actions;
 
@@ -194,6 +202,9 @@ public:
                         vr::VREvent_t* pEvent );
     void mainEventLoop();
 
+    bool vsyncDisabled() const;
+    int customTickRateMs() const;
+
 public slots:
     void renderOverlay();
     void OnRenderRequest();
@@ -207,8 +218,13 @@ public slots:
     void setAlarm01SoundVolume( float vol );
     void cancelAlarm01Sound();
 
+    void setVsyncDisabled( bool value, bool notify = true );
+    void setCustomTickRateMs( int value, bool notify = true );
+
 signals:
     void keyBoardInputSignal( QString input, unsigned long userValue = 0 );
+    void vsyncDisabledChanged( bool value );
+    void customTickRateMsChanged( int value );
 
 private:
     static QSettings* _appSettings;

src/res/qml/SettingsPage.qml

@@ -50,16 +50,78 @@ MyStackViewPage {
             }
         }
 
+
+        RowLayout {
+            Layout.fillWidth: true
+
+            MyToggleButton {
+                id: vsyncDisabledToggle
+                text: "Disable App Vsync"
+                onCheckedChanged: {
+                    OverlayController.setVsyncDisabled(checked, true)
+                    customTickRateText.visible = checked
+                    customTickRateLabel.visible = checked
+                    customTickRateMsLabel.visible = checked
+                }
+            }
+
+            MyText {
+                id: customTickRateLabel
+                text: "Custom Tick Rate: "
+                horizontalAlignment: Text.AlignRight
+                Layout.leftMargin: 20
+                Layout.rightMargin: 2
+            }
+
+            MyTextField {
+                id: customTickRateText
+                text: "20"
+                keyBoardUID: 1001
+                Layout.preferredWidth: 140
+                Layout.leftMargin: 10
+                Layout.rightMargin: 1
+                horizontalAlignment: Text.AlignHCenter
+                function onInputEvent(input) {
+                    var val = parseInt(input, 10)
+                    if (!isNaN(val)) {
+                        OverlayController.customTickRateMs = val
+                        text = OverlayController.customTickRateMs
+                    } else {
+                        text = OverlayController.customTickRateMs
+                    }
+                }
+            }
+
+            MyText {
+                id: customTickRateMsLabel
+                text: "ms"
+                horizontalAlignment: Text.AlignLeft
+                Layout.leftMargin: 1
+            }
+
+            Item {
+                Layout.fillWidth: true
+            }
+        }
+
         Item {
             Layout.fillHeight: true
         }
 
+
         Component.onCompleted: {
             settingsAutoStartToggle.checked = SettingsTabController.autoStartEnabled
             forceReviveToggle.checked = SettingsTabController.forceRevivePage
+
             allowExternalEditsToggle.checked = MoveCenterTabController.allowExternalEdits
             oldStyleMotionToggle.checked = MoveCenterTabController.oldStyleMotion
             universeCenteredRotationToggle.checked = MoveCenterTabController.universeCenteredRotation
+
+            customTickRateText.text = OverlayController.customTickRateMs
+            vsyncDisabledToggle.checked = OverlayController.vsyncDisabled
+            customTickRateText.visible = vsyncDisabledToggle.checked
+            customTickRateLabel.visible = vsyncDisabledToggle.checked
+            customTickRateMsLabel.visible = vsyncDisabledToggle.checked
         }
 
         Connections {
@@ -84,5 +146,18 @@ MyStackViewPage {
                 universeCenteredRotationToggle.checked = MoveCenterTabController.universeCenteredRotation
             }
         }
+
+        Connections {
+            target: OverlayController
+            onVsyncDisabledChanged: {
+                vsyncDisabledToggle.checked = OverlayController.vsyncDisabled
+                customTickRateText.visible = vsyncDisabledToggle.checked
+                customTickRateLabel.visible = vsyncDisabledToggle.checked
+                customTickRateMsLabel.visible = vsyncDisabledToggle.checked
+            }
+            onCustomTickRateMsChanged: {
+                customTickRateText.text = OverlayController.customTickRateMs
+            }
+        }
     }
 }

src/res/qml/audio_page/dialog_boxes/PttNewProfileDialog.qml

@@ -19,7 +19,7 @@ MyDialogOkCancelPopup {
             }
             MyTextField {
                 id: pttNewProfileName
-                keyBoardUID: 590
+                keyBoardUID: 591
                 color: "#cccccc"
                 text: ""
                 Layout.fillWidth: true