Implement missing service calls in pm (#4210)

* Implement `GetTitleId`

Fixes #2516

* Null check + Proper result code

* Better comment

* Implement `GetApplicationProcessId`

* Add TODOs

* Update Ryujinx.HLE/HOS/Services/Pm/IInformationInterface.cs

Co-authored-by: Ac_K <Acoustik666@gmail.com>

* Update Ryujinx.HLE/HOS/Services/Pm/IDebugMonitorInterface.cs

Co-authored-by: Ac_K <Acoustik666@gmail.com>

* Remove new function from KernelStatic

Co-authored-by: Ac_K <Acoustik666@gmail.com>

Ryujinx.Audio/Renderer/Dsp/Command/UpsampleCommand.cs

@@ -40,6 +40,12 @@ namespace Ryujinx.Audio.Renderer.Dsp.Command
                 info.InputBufferIndices[i] = (ushort)(bufferOffset + inputBufferOffset[i]);
             }
 
+            if (info.BufferStates?.Length != (int)inputCount)
+            {
+                // Keep state if possible.
+                info.BufferStates = new UpsamplerBufferState[(int)inputCount];
+            }
+
             UpsamplerInfo = info;
         }
 
@@ -50,8 +56,6 @@ namespace Ryujinx.Audio.Renderer.Dsp.Command
 
         public void Process(CommandList context)
         {
-            float ratio = (float)InputSampleRate / Constants.TargetSampleRate;
-
             uint bufferCount = Math.Min(BufferCount, UpsamplerInfo.SourceSampleCount);
 
             for (int i = 0; i < bufferCount; i++)
@@ -59,9 +63,7 @@ namespace Ryujinx.Audio.Renderer.Dsp.Command
                 Span<float> inputBuffer = context.GetBuffer(UpsamplerInfo.InputBufferIndices[i]);
                 Span<float> outputBuffer = GetBuffer(UpsamplerInfo.InputBufferIndices[i], (int)UpsamplerInfo.SampleCount);
 
-                float fraction = 0.0f;
-
-                ResamplerHelper.ResampleForUpsampler(outputBuffer, inputBuffer, ratio, ref fraction, (int)(InputSampleCount / ratio));
+                UpsamplerHelper.Upsample(outputBuffer, inputBuffer, (int)UpsamplerInfo.SampleCount, (int)InputSampleCount, ref UpsamplerInfo.BufferStates[i]);
             }
         }
     }

Ryujinx.Audio/Renderer/Dsp/ResamplerHelper.cs

@@ -579,52 +579,5 @@ namespace Ryujinx.Audio.Renderer.Dsp
                 fraction -= (int)fraction;
             }
         }
-
-        [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        public static void ResampleForUpsampler(Span<float> outputBuffer, ReadOnlySpan<float> inputBuffer, float ratio, ref float fraction, int sampleCount)
-        {
-            // Currently a simple cubic interpolation, assuming duplicated values at edges.
-            // TODO: Discover and use algorithm that the switch uses.
-
-            int inputBufferIndex = 0;
-            int maxIndex = inputBuffer.Length - 1;
-            int cubicEnd = inputBuffer.Length - 3;
-
-            for (int i = 0; i < sampleCount; i++)
-            {
-                float s0, s1, s2, s3;
-
-                s1 = inputBuffer[inputBufferIndex];
-
-                if (inputBufferIndex == 0 || inputBufferIndex > cubicEnd)
-                {
-                    // Clamp interplation values at the ends of the input buffer.
-                    s0 = inputBuffer[Math.Max(0, inputBufferIndex - 1)];
-                    s2 = inputBuffer[Math.Min(maxIndex, inputBufferIndex + 1)];
-                    s3 = inputBuffer[Math.Min(maxIndex, inputBufferIndex + 2)];
-                }
-                else
-                {
-                    s0 = inputBuffer[inputBufferIndex - 1];
-                    s2 = inputBuffer[inputBufferIndex + 1];
-                    s3 = inputBuffer[inputBufferIndex + 2];
-                }
-
-                float a = s3 - s2 - s0 + s1;
-                float b = s0 - s1 - a;
-                float c = s2 - s0;
-                float d = s1;
-
-                float f2 = fraction * fraction;
-                float f3 = f2 * fraction;
-
-                outputBuffer[i] = a * f3 + b * f2 + c * fraction + d;
-
-                fraction += ratio;
-                inputBufferIndex += (int)MathF.Truncate(fraction);
-
-                fraction -= (int)fraction;
-            }
-        }
     }
 }

Ryujinx.Audio/Renderer/Dsp/UpsamplerHelper.cs

@@ -0,0 +1,175 @@
+using Ryujinx.Audio.Renderer.Server.Upsampler;
+using Ryujinx.Common.Memory;
+using System;
+using System.Diagnostics;
+using System.Runtime.CompilerServices;
+
+namespace Ryujinx.Audio.Renderer.Dsp
+{
+    public class UpsamplerHelper
+    {
+        private const int HistoryLength = UpsamplerBufferState.HistoryLength;
+        private const int FilterBankLength = 20;
+        // Bank0 = [0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0];
+        private const int Bank0CenterIndex = 9;
+        private static readonly Array20<float> Bank1 = PrecomputeFilterBank(1.0f / 6.0f);
+        private static readonly Array20<float> Bank2 = PrecomputeFilterBank(2.0f / 6.0f);
+        private static readonly Array20<float> Bank3 = PrecomputeFilterBank(3.0f / 6.0f);
+        private static readonly Array20<float> Bank4 = PrecomputeFilterBank(4.0f / 6.0f);
+        private static readonly Array20<float> Bank5 = PrecomputeFilterBank(5.0f / 6.0f);
+
+        private static Array20<float> PrecomputeFilterBank(float offset)
+        {
+            float Sinc(float x)
+            {
+                if (x == 0)
+                {
+                    return 1.0f;
+                }
+                return (MathF.Sin(MathF.PI * x) / (MathF.PI * x));
+            }
+
+            float BlackmanWindow(float x)
+            {
+                const float a = 0.18f;
+                const float a0 = 0.5f - 0.5f * a;
+                const float a1 = -0.5f;
+                const float a2 = 0.5f * a;
+                return a0 + a1 * MathF.Cos(2 * MathF.PI * x) + a2 * MathF.Cos(4 * MathF.PI * x);
+            }
+            
+            Array20<float> result = new Array20<float>();
+
+            for (int i = 0; i < FilterBankLength; i++)
+            {
+                float x = (Bank0CenterIndex - i) + offset;
+                result[i] = Sinc(x) * BlackmanWindow(x / FilterBankLength + 0.5f);
+            }
+
+            return result;
+        }
+
+        // Polyphase upsampling algorithm
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static void Upsample(Span<float> outputBuffer, ReadOnlySpan<float> inputBuffer, int outputSampleCount, int inputSampleCount, ref UpsamplerBufferState state)
+        {
+            if (!state.Initialized)
+            {
+                state.Scale = inputSampleCount switch
+                {
+                    40  => 6.0f,
+                    80  => 3.0f,
+                    160 => 1.5f,
+                    _   => throw new ArgumentOutOfRangeException()
+                };
+                state.Initialized = true;
+            }
+
+            if (outputSampleCount == 0)
+            {
+                return;
+            }
+
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            float DoFilterBank(ref UpsamplerBufferState state, in Array20<float> bank)
+            {
+                float result = 0.0f;
+
+                Debug.Assert(state.History.Length == HistoryLength);
+                Debug.Assert(bank.Length == FilterBankLength);
+                for (int j = 0; j < FilterBankLength; j++)
+                {
+                    result += bank[j] * state.History[j];
+                }
+
+                return result;
+            }
+
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            void NextInput(ref UpsamplerBufferState state, float input)
+            {
+                state.History.AsSpan().Slice(1).CopyTo(state.History.AsSpan());
+                state.History[HistoryLength - 1] = input;
+            }
+
+            int inputBufferIndex = 0;
+
+            switch (state.Scale)
+            { 
+                case 6.0f:
+                    for (int i = 0; i < outputSampleCount; i++)
+                    {
+                        switch (state.Phase)
+                        {
+                            case 0:
+                                NextInput(ref state, inputBuffer[inputBufferIndex++]);
+                                outputBuffer[i] = state.History[Bank0CenterIndex];
+                                break;
+                            case 1:
+                                outputBuffer[i] = DoFilterBank(ref state, Bank1);
+                                break;
+                            case 2:
+                                outputBuffer[i] = DoFilterBank(ref state, Bank2);
+                                break;
+                            case 3:
+                                outputBuffer[i] = DoFilterBank(ref state, Bank3);
+                                break;
+                            case 4:
+                                outputBuffer[i] = DoFilterBank(ref state, Bank4);
+                                break;
+                            case 5:
+                                outputBuffer[i] = DoFilterBank(ref state, Bank5);
+                                break;
+                        }
+
+                        state.Phase = (state.Phase + 1) % 6;
+                    }
+                    break;
+                case 3.0f:
+                    for (int i = 0; i < outputSampleCount; i++)
+                    {
+                        switch (state.Phase)
+                        {
+                            case 0:
+                                NextInput(ref state, inputBuffer[inputBufferIndex++]);
+                                outputBuffer[i] = state.History[Bank0CenterIndex];
+                                break;
+                            case 1:
+                                outputBuffer[i] = DoFilterBank(ref state, Bank2);
+                                break;
+                            case 2:
+                                outputBuffer[i] = DoFilterBank(ref state, Bank4);
+                                break;
+                        }
+
+                        state.Phase = (state.Phase + 1) % 3;
+                    }
+                    break;
+                case 1.5f:
+                    // Upsample by 3 then decimate by 2.
+                    for (int i = 0; i < outputSampleCount; i++)
+                    {
+                        switch (state.Phase)
+                        {
+                            case 0:
+                                NextInput(ref state, inputBuffer[inputBufferIndex++]);
+                                outputBuffer[i] = state.History[Bank0CenterIndex];
+                                break;
+                            case 1:
+                                outputBuffer[i] = DoFilterBank(ref state, Bank4);
+                                break;
+                            case 2:
+                                NextInput(ref state, inputBuffer[inputBufferIndex++]);
+                                outputBuffer[i] = DoFilterBank(ref state, Bank2);
+                                break;
+                        }
+
+                        state.Phase = (state.Phase + 1) % 3;
+                    }
+                    break;
+                default:
+                    throw new ArgumentOutOfRangeException();
+            }
+        }
+    }
+}

Ryujinx.Audio/Renderer/Server/Upsampler/UpsamplerBufferState.cs

@@ -0,0 +1,14 @@
+using Ryujinx.Common.Memory;
+
+namespace Ryujinx.Audio.Renderer.Server.Upsampler
+{
+    public struct UpsamplerBufferState
+    {
+        public const int HistoryLength = 20;
+
+        public float Scale;
+        public Array20<float> History;
+        public bool Initialized;
+        public int Phase;
+    }
+}

Ryujinx.Audio/Renderer/Server/Upsampler/UpsamplerState.cs

@@ -37,6 +37,11 @@ namespace Ryujinx.Audio.Renderer.Server.Upsampler
         /// </summary>
         public ushort[] InputBufferIndices;
 
+        /// <summary>
+        /// State of each input buffer index kept across invocations of the upsampler.
+        /// </summary>
+        public UpsamplerBufferState[] BufferStates;
+
         /// <summary>
         /// Create a new <see cref="UpsamplerState"/>.
         /// </summary>

Ryujinx.Ava/AppHost.cs

@@ -44,8 +44,10 @@ using System;
 using System.Collections.Generic;
 using System.Diagnostics;
 using System.IO;
+using System.Runtime.Versioning;
 using System.Threading;
 using System.Threading.Tasks;
+using static Ryujinx.Ava.UI.Helpers.Win32NativeInterop;
 using Image = SixLabors.ImageSharp.Image;
 using InputManager = Ryujinx.Input.HLE.InputManager;
 using Key = Ryujinx.Input.Key;
@@ -58,12 +60,14 @@ namespace Ryujinx.Ava
 {
     internal class AppHost
     {
-        private const int   CursorHideIdleTime = 8;    // Hide Cursor seconds.
+        private const int   CursorHideIdleTime = 5;    // Hide Cursor seconds.
         private const float MaxResolutionScale = 4.0f; // Max resolution hotkeys can scale to before wrapping.
         private const int   TargetFps          = 60;
         private const float VolumeDelta        = 0.05f;
 
         private static readonly Cursor InvisibleCursor = new(StandardCursorType.None);
+        private readonly IntPtr InvisibleCursorWin;
+        private readonly IntPtr DefaultCursorWin;
 
         private readonly long      _ticksPerFrame;
         private readonly Stopwatch _chrono;
@@ -81,7 +85,6 @@ namespace Ryujinx.Ava
         private float                       _newVolume;
         private KeyboardHotkeyState         _prevHotkeyState;
 
-        private bool _hideCursorOnIdle;
         private long _lastCursorMoveTime;
         private bool _isCursorInRenderer;
 
@@ -131,7 +134,6 @@ namespace Ryujinx.Ava
             _accountManager         = accountManager;
             _userChannelPersistence = userChannelPersistence;
             _renderingThread        = new Thread(RenderLoop, 1 * 1024 * 1024) { Name = "GUI.RenderThread" };
-            _hideCursorOnIdle       = ConfigurationState.Instance.HideCursorOnIdle;
             _lastCursorMoveTime     = Stopwatch.GetTimestamp();
             _glLogLevel             = ConfigurationState.Instance.Logger.GraphicsDebugLevel;
             _topLevel               = topLevel;
@@ -159,9 +161,14 @@ namespace Ryujinx.Ava
 
             ConfigurationState.Instance.HideCursorOnIdle.Event += HideCursorState_Changed;
 
-            _topLevel.PointerLeave += TopLevel_PointerLeave;
             _topLevel.PointerMoved += TopLevel_PointerMoved;
 
+            if (OperatingSystem.IsWindows())
+            {
+                InvisibleCursorWin = CreateEmptyCursor();
+                DefaultCursorWin   = CreateArrowCursor();
+            }
+
             ConfigurationState.Instance.System.IgnoreMissingServices.Event += UpdateIgnoreMissingServicesState;
             ConfigurationState.Instance.Graphics.AspectRatio.Event         += UpdateAspectRatioState;
             ConfigurationState.Instance.System.EnableDockedMode.Event      += UpdateDockedModeState;
@@ -172,20 +179,47 @@ namespace Ryujinx.Ava
 
         private void TopLevel_PointerMoved(object sender, PointerEventArgs e)
         {
-            if (sender is Control visual)
+            if (sender is MainWindow window)
             {
                 _lastCursorMoveTime = Stopwatch.GetTimestamp();
 
-                var point = e.GetCurrentPoint(visual).Position;
+                if ((Renderer.Content as EmbeddedWindow).TransformedBounds != null)
+                {
+                    var point  = e.GetCurrentPoint(window).Position;
+                    var bounds = (Renderer.Content as EmbeddedWindow).TransformedBounds.Value.Clip;
 
-                _isCursorInRenderer = Equals(visual.InputHitTest(point), Renderer);
+                    _isCursorInRenderer = point.X >= bounds.X &&
+                                          point.X <= bounds.Width + bounds.X &&
+                                          point.Y >= bounds.Y &&
+                                          point.Y <= bounds.Height + bounds.Y;
+                }
             }
         }
 
-        private void TopLevel_PointerLeave(object sender, PointerEventArgs e)
+        private void ShowCursor()
         {
-            _isCursorInRenderer = false;
-            _viewModel.Cursor   = Cursor.Default;
+            Dispatcher.UIThread.Post(() =>
+            {
+                _viewModel.Cursor = Cursor.Default;
+
+                if (OperatingSystem.IsWindows())
+                {
+                    SetCursor(DefaultCursorWin);
+                }
+            });
+        }
+
+        private void HideCursor()
+        {
+            Dispatcher.UIThread.Post(() =>
+            {
+                _viewModel.Cursor = InvisibleCursor;
+
+                if (OperatingSystem.IsWindows())
+                {
+                    SetCursor(InvisibleCursorWin);
+                }
+            });
         }
 
         private void SetRendererWindowSize(Size size)
@@ -380,7 +414,6 @@ namespace Ryujinx.Ava
             ConfigurationState.Instance.System.EnableDockedMode.Event      -= UpdateDockedModeState;
             ConfigurationState.Instance.System.AudioVolume.Event           -= UpdateAudioVolumeState;
 
-            _topLevel.PointerLeave -= TopLevel_PointerLeave;
             _topLevel.PointerMoved -= TopLevel_PointerMoved;
 
             _gpuCancellationTokenSource.Cancel();
@@ -406,19 +439,10 @@ namespace Ryujinx.Ava
 
         private void HideCursorState_Changed(object sender, ReactiveEventArgs<bool> state)
         {
-            Dispatcher.UIThread.InvokeAsync(delegate
+            if (state.NewValue)
             {
-                _hideCursorOnIdle = state.NewValue;
-
-                if (_hideCursorOnIdle)
-                {
-                    _lastCursorMoveTime = Stopwatch.GetTimestamp();
-                }
-                else
-                {
-                    _viewModel.Cursor = Cursor.Default;
-                }
-            });
+                _lastCursorMoveTime = Stopwatch.GetTimestamp();
+            }
         }
 
         public async Task<bool> LoadGuestApplication()
@@ -860,29 +884,6 @@ namespace Ryujinx.Ava
             }
         }
 
-        private void HandleScreenState()
-        {
-            if (ConfigurationState.Instance.Hid.EnableMouse)
-            {
-                Dispatcher.UIThread.Post(() =>
-                {
-                    _viewModel.Cursor = _isCursorInRenderer ? InvisibleCursor : Cursor.Default;
-                });
-            }
-            else
-            {
-                if (_hideCursorOnIdle)
-                {
-                    long cursorMoveDelta = Stopwatch.GetTimestamp() - _lastCursorMoveTime;
-
-                    Dispatcher.UIThread.Post(() =>
-                    {
-                        _viewModel.Cursor = cursorMoveDelta >= CursorHideIdleTime * Stopwatch.Frequency ? InvisibleCursor : Cursor.Default;
-                    });
-                }
-            }
-        }
-
         private bool UpdateFrame()
         {
             if (!_isActive)
@@ -890,23 +891,44 @@ namespace Ryujinx.Ava
                 return false;
             }
 
+            NpadManager.Update(ConfigurationState.Instance.Graphics.AspectRatio.Value.ToFloat());
+
             if (_viewModel.IsActive)
             {
+                if (ConfigurationState.Instance.Hid.EnableMouse)
+                {
+                    if (_isCursorInRenderer)
+                    {
+                        HideCursor();
+                    }
+                    else
+                    {
+                        ShowCursor();
+                    }
+                }
+                else
+                {
+                    if (ConfigurationState.Instance.HideCursorOnIdle)
+                    {
+                        if (Stopwatch.GetTimestamp() - _lastCursorMoveTime >= CursorHideIdleTime * Stopwatch.Frequency)
+                        {
+                            HideCursor();
+                        }
+                        else
+                        {
+                            ShowCursor();
+                        }
+                    }
+                }
+
                 Dispatcher.UIThread.Post(() =>
                 {
-                    HandleScreenState();
-
                     if (_keyboardInterface.GetKeyboardStateSnapshot().IsPressed(Key.Delete) && _viewModel.WindowState != WindowState.FullScreen)
                     {
                         Device.Application.DiskCacheLoadState?.Cancel();
                     }
                 });
-            }
 
-            NpadManager.Update(ConfigurationState.Instance.Graphics.AspectRatio.Value.ToFloat());
-
-            if (_viewModel.IsActive)
-            {
                 KeyboardHotkeyState currentHotkeyState = GetHotkeyState();
 
                 if (currentHotkeyState != _prevHotkeyState)

Ryujinx.Ava/Assets/Locales/en_US.json

@@ -524,7 +524,7 @@
   "UserErrorUndefinedDescription": "An undefined error occured! This shouldn't happen, please contact a dev!",
   "OpenSetupGuideMessage": "Open the Setup Guide",
   "NoUpdate": "No Update",
-  "TitleUpdateVersionLabel": "Version {0} - {1}",
+  "TitleUpdateVersionLabel": "Version {0}",
   "RyujinxInfo": "Ryujinx - Info",
   "RyujinxConfirm": "Ryujinx - Confirmation",
   "FileDialogAllTypes": "All types",
@@ -585,7 +585,7 @@
   "UserProfilesSetProfileImage": "Set Profile Image",
   "UserProfileEmptyNameError": "Name is required",
   "UserProfileNoImageError": "Profile image must be set",
-  "GameUpdateWindowHeading": "{0} Update(s) available for {1} ({2})",
+  "GameUpdateWindowHeading": "Manage Updates for {0} ({1})",
   "SettingsTabHotkeysResScaleUpHotkey": "Increase resolution:",
   "SettingsTabHotkeysResScaleDownHotkey": "Decrease resolution:",
   "UserProfilesName": "Name:",

Ryujinx.Ava/Input/AvaloniaMouseDriver.cs

@@ -1,6 +1,7 @@
 using Avalonia;
 using Avalonia.Controls;
 using Avalonia.Input;
+using FluentAvalonia.Core;
 using Ryujinx.Input;
 using System;
 using System.Numerics;
@@ -69,12 +70,22 @@ namespace Ryujinx.Ava.Input
 
         private void Parent_PointerReleaseEvent(object o, PointerReleasedEventArgs args)
         {
-            PressedButtons[(int)args.InitialPressMouseButton - 1] = false;
+            int button = (int)args.InitialPressMouseButton - 1;
+
+            if (PressedButtons.Count() >= button)
+            {
+                PressedButtons[button] = false;
+            }
         }
 
         private void Parent_PointerPressEvent(object o, PointerPressedEventArgs args)
         {
-            PressedButtons[(int)args.GetCurrentPoint(_widget).Properties.PointerUpdateKind] = true;
+            int button = (int)args.GetCurrentPoint(_widget).Properties.PointerUpdateKind;
+
+            if (PressedButtons.Count() >= button)
+            {
+                PressedButtons[button] = true;
+            }
         }
 
         private void Parent_PointerMovedEvent(object o, PointerEventArgs args)
@@ -86,12 +97,18 @@ namespace Ryujinx.Ava.Input
 
         public void SetMousePressed(MouseButton button)
         {
-            PressedButtons[(int)button] = true;
+            if (PressedButtons.Count() >= (int)button)
+            {
+                PressedButtons[(int)button] = true;
+            }
         }
 
         public void SetMouseReleased(MouseButton button)
         {
-            PressedButtons[(int)button] = false;
+            if (PressedButtons.Count() >= (int)button)
+            {
+                PressedButtons[(int)button] = false;
+            }
         }
 
         public void SetPosition(double x, double y)
@@ -101,7 +118,12 @@ namespace Ryujinx.Ava.Input
 
         public bool IsButtonPressed(MouseButton button)
         {
-            return PressedButtons[(int)button];
+            if (PressedButtons.Count() >= (int)button)
+            {
+                return PressedButtons[(int)button];
+            }
+
+            return false;
         }
 
         public Size GetClientSize()

Ryujinx.Ava/UI/Helpers/EmbeddedWindow.cs

@@ -34,6 +34,8 @@ namespace Ryujinx.Ava.UI.Helpers
         {
             WindowHandle = IntPtr.Zero;
             X11Display = IntPtr.Zero;
+            NsView = IntPtr.Zero;
+            MetalLayer = IntPtr.Zero;
         }
 
         public EmbeddedWindow()
@@ -42,7 +44,7 @@ namespace Ryujinx.Ava.UI.Helpers
 
             stateObserverable.Subscribe(StateChanged);
 
-            this.Initialized += NativeEmbeddedWindow_Initialized;
+            Initialized += NativeEmbeddedWindow_Initialized;
         }
 
         public virtual void OnWindowCreated() { }
@@ -127,7 +129,7 @@ namespace Ryujinx.Ava.UI.Helpers
                 lpfnWndProc = Marshal.GetFunctionPointerForDelegate(_wndProcDelegate),
                 style = ClassStyles.CS_OWNDC,
                 lpszClassName = Marshal.StringToHGlobalUni(_className),
-                hCursor = LoadCursor(IntPtr.Zero, (IntPtr)Cursors.IDC_ARROW)
+                hCursor = CreateArrowCursor()
             };
 
             var atom = RegisterClassEx(ref wndClassEx);
@@ -198,6 +200,7 @@ namespace Ryujinx.Ava.UI.Helpers
                         KeyModifiers.None));
                     break;
             }
+
             return DefWindowProc(hWnd, msg, wParam, lParam);
         }
 

Ryujinx.Ava/UI/Helpers/Win32NativeInterop.cs

@@ -70,6 +70,22 @@ namespace Ryujinx.Ava.UI.Helpers
             }
         }
 
+        public static IntPtr CreateEmptyCursor()
+        {
+            return CreateCursor(IntPtr.Zero, 0, 0, 1, 1, new byte[] { 0xFF }, new byte[] { 0x00 });
+        }
+
+        public static IntPtr CreateArrowCursor()
+        {
+            return LoadCursor(IntPtr.Zero, (IntPtr)Cursors.IDC_ARROW);
+        }
+
+        [LibraryImport("user32.dll")]
+        public static partial IntPtr SetCursor(IntPtr handle);
+
+        [LibraryImport("user32.dll")]
+        public static partial IntPtr CreateCursor(IntPtr hInst, int xHotSpot, int yHotSpot, int nWidth, int nHeight, byte[] pvANDPlane, byte[] pvXORPlane);
+
         [LibraryImport("user32.dll", SetLastError = true, EntryPoint = "RegisterClassExW")]
         public static partial ushort RegisterClassEx(ref WNDCLASSEX param);
 

Ryujinx.Ava/UI/Models/TitleUpdateModel.cs

@@ -3,23 +3,17 @@ using Ryujinx.Ava.Common.Locale;
 
 namespace Ryujinx.Ava.UI.Models
 {
-    internal class TitleUpdateModel
+    public class TitleUpdateModel
     {
-        public bool IsEnabled { get; set; }
-        public bool IsNoUpdate { get; }
         public ApplicationControlProperty Control { get; }
         public string Path { get; }
 
-        public string Label => IsNoUpdate
-            ? LocaleManager.Instance[LocaleKeys.NoUpdate]
-            : string.Format(LocaleManager.Instance[LocaleKeys.TitleUpdateVersionLabel], Control.DisplayVersionString.ToString(),
-                Path);
+        public string Label => string.Format(LocaleManager.Instance[LocaleKeys.TitleUpdateVersionLabel], Control.DisplayVersionString.ToString());
 
-        public TitleUpdateModel(ApplicationControlProperty control, string path, bool isNoUpdate = false)
+        public TitleUpdateModel(ApplicationControlProperty control, string path)
         {
             Control = control;
             Path = path;
-            IsNoUpdate = isNoUpdate;
         }
     }
 }

Ryujinx.Ava/UI/ViewModels/MainWindowViewModel.cs

@@ -1601,13 +1601,9 @@ namespace Ryujinx.Ava.UI.ViewModels
 
         public async void OpenTitleUpdateManager()
         {
-            ApplicationData selection = SelectedApplication;
-            if (selection != null)
+            if (SelectedApplication != null)
             {
-                if (Avalonia.Application.Current.ApplicationLifetime is IClassicDesktopStyleApplicationLifetime desktop)
-                {
-                    await new TitleUpdateWindow(VirtualFileSystem, ulong.Parse(selection.TitleId, NumberStyles.HexNumber), selection.TitleName).ShowDialog(desktop.MainWindow);
-                }
+                await TitleUpdateWindow.Show(VirtualFileSystem, ulong.Parse(SelectedApplication.TitleId, NumberStyles.HexNumber), SelectedApplication.TitleName);
             }
         }
 

Ryujinx.Ava/UI/ViewModels/TitleUpdateViewModel.cs

@@ -0,0 +1,226 @@
+using Avalonia.Collections;
+using Avalonia.Controls;
+using Avalonia.Controls.ApplicationLifetimes;
+using Avalonia.Threading;
+using LibHac.Common;
+using LibHac.Fs;
+using LibHac.Fs.Fsa;
+using LibHac.FsSystem;
+using LibHac.Ns;
+using LibHac.Tools.FsSystem;
+using LibHac.Tools.FsSystem.NcaUtils;
+using Ryujinx.Ava.Common.Locale;
+using Ryujinx.Ava.UI.Helpers;
+using Ryujinx.Ava.UI.Models;
+using Ryujinx.Common.Configuration;
+using Ryujinx.Common.Logging;
+using Ryujinx.Common.Utilities;
+using Ryujinx.HLE.FileSystem;
+using Ryujinx.HLE.HOS;
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using SpanHelpers = LibHac.Common.SpanHelpers;
+using Path = System.IO.Path;
+
+namespace Ryujinx.Ava.UI.ViewModels;
+
+public class TitleUpdateViewModel : BaseModel
+{
+    public TitleUpdateMetadata _titleUpdateWindowData;
+    public readonly string     _titleUpdateJsonPath;
+    private VirtualFileSystem  _virtualFileSystem { get; }
+    private ulong              _titleId           { get; }
+    private string             _titleName         { get; }
+
+    private AvaloniaList<TitleUpdateModel> _titleUpdates = new();
+    private AvaloniaList<object> _views = new();
+    private object _selectedUpdate;
+
+    public AvaloniaList<TitleUpdateModel> TitleUpdates
+    {
+        get => _titleUpdates;
+        set
+        {
+            _titleUpdates = value;
+            OnPropertyChanged();
+        }
+    }
+
+    public AvaloniaList<object> Views
+    {
+        get => _views;
+        set
+        {
+            _views = value;
+            OnPropertyChanged();
+        }
+    }
+
+    public object SelectedUpdate
+    {
+        get => _selectedUpdate;
+        set
+        {
+            _selectedUpdate = value;
+            OnPropertyChanged();
+        }
+    }
+
+    public TitleUpdateViewModel(VirtualFileSystem virtualFileSystem, ulong titleId, string titleName)
+    {
+        _virtualFileSystem = virtualFileSystem;
+
+        _titleId   = titleId;
+        _titleName = titleName;
+
+        _titleUpdateJsonPath = Path.Combine(AppDataManager.GamesDirPath, titleId.ToString("x16"), "updates.json");
+
+        try
+        {
+            _titleUpdateWindowData = JsonHelper.DeserializeFromFile<TitleUpdateMetadata>(_titleUpdateJsonPath);
+        }
+        catch
+        {
+            Logger.Warning?.Print(LogClass.Application, $"Failed to deserialize title update data for {_titleId} at {_titleUpdateJsonPath}");
+
+            _titleUpdateWindowData = new TitleUpdateMetadata
+            {
+                Selected = "",
+                Paths    = new List<string>()
+            };
+        }
+
+        LoadUpdates();
+    }
+
+    private void LoadUpdates()
+    {
+        foreach (string path in _titleUpdateWindowData.Paths)
+        {
+            AddUpdate(path);
+        }
+
+        TitleUpdateModel selected = TitleUpdates.FirstOrDefault(x => x.Path == _titleUpdateWindowData.Selected, null);
+
+        SelectedUpdate = selected;
+
+        SortUpdates();
+    }
+
+    public void SortUpdates()
+    {
+        var list = TitleUpdates.ToList();
+
+        list.Sort((first, second) =>
+        {
+            if (string.IsNullOrEmpty(first.Control.DisplayVersionString.ToString()))
+            {
+                return -1;
+            }
+            else if (string.IsNullOrEmpty(second.Control.DisplayVersionString.ToString()))
+            {
+                return 1;
+            }
+
+            return Version.Parse(first.Control.DisplayVersionString.ToString()).CompareTo(Version.Parse(second.Control.DisplayVersionString.ToString())) * -1;
+        });
+
+        Views.Clear();
+        Views.Add(new BaseModel());
+        Views.AddRange(list);
+
+        if (SelectedUpdate == null)
+        {
+            SelectedUpdate = Views[0];
+        }
+        else if (!TitleUpdates.Contains(SelectedUpdate))
+        {
+            if (Views.Count > 1)
+            {
+                SelectedUpdate = Views[1];
+            }
+            else
+            {
+                SelectedUpdate = Views[0];
+            }
+        }
+    }
+
+    private void AddUpdate(string path)
+    {
+        if (File.Exists(path) && TitleUpdates.All(x => x.Path != path))
+        {
+            using FileStream file = new(path, FileMode.Open, FileAccess.Read);
+
+            try
+            {
+                (Nca patchNca, Nca controlNca) = ApplicationLoader.GetGameUpdateDataFromPartition(_virtualFileSystem, new PartitionFileSystem(file.AsStorage()), _titleId.ToString("x16"), 0);
+
+                if (controlNca != null && patchNca != null)
+                {
+                    ApplicationControlProperty controlData = new();
+
+                    using UniqueRef<IFile> nacpFile = new();
+
+                    controlNca.OpenFileSystem(NcaSectionType.Data, IntegrityCheckLevel.None).OpenFile(ref nacpFile.Ref(), "/control.nacp".ToU8Span(), OpenMode.Read).ThrowIfFailure();
+                    nacpFile.Get.Read(out _, 0, SpanHelpers.AsByteSpan(ref controlData), ReadOption.None).ThrowIfFailure();
+
+                    TitleUpdates.Add(new TitleUpdateModel(controlData, path));
+                }
+                else
+                {
+                    Dispatcher.UIThread.Post(async () =>
+                    {
+                        await ContentDialogHelper.CreateErrorDialog(LocaleManager.Instance[LocaleKeys.DialogUpdateAddUpdateErrorMessage]);
+                    });
+                }
+            }
+            catch (Exception ex)
+            {
+                Dispatcher.UIThread.Post(async () =>
+                {
+                    await ContentDialogHelper.CreateErrorDialog(string.Format(LocaleManager.Instance[LocaleKeys.DialogDlcLoadNcaErrorMessage], ex.Message, path));
+                });
+            }
+        }
+    }
+
+    public void RemoveUpdate(TitleUpdateModel update)
+    {
+        TitleUpdates.Remove(update);
+
+        SortUpdates();
+    }
+
+    public async void Add()
+    {
+        OpenFileDialog dialog = new()
+        {
+            Title         = LocaleManager.Instance[LocaleKeys.SelectUpdateDialogTitle],
+            AllowMultiple = true
+        };
+
+        dialog.Filters.Add(new FileDialogFilter
+        {
+            Name       = "NSP",
+            Extensions = { "nsp" }
+        });
+
+        if (Avalonia.Application.Current.ApplicationLifetime is IClassicDesktopStyleApplicationLifetime desktop)
+        {
+            string[] files = await dialog.ShowAsync(desktop.MainWindow);
+
+            if (files != null)
+            {
+                foreach (string file in files)
+                {
+                    AddUpdate(file);
+                }
+            }
+        }
+
+        SortUpdates();
+    }
+}

Ryujinx.Ava/UI/Views/User/UserSaveManagerView.axaml

@@ -107,6 +107,7 @@
             VerticalAlignment="Stretch">
             <ListBox
                 Name="SaveList"
+                VirtualizationMode="None"
                 Items="{Binding Views}"
                 HorizontalAlignment="Stretch"
                 VerticalAlignment="Stretch">
@@ -116,6 +117,9 @@
                         <Setter Property="Margin" Value="5" />
                         <Setter Property="CornerRadius" Value="4" />
                     </Style>
+                    <Style Selector="ListBoxItem:selected /template/ Border#SelectionIndicator">
+                        <Setter Property="IsVisible" Value="False" />
+                    </Style>
                 </ListBox.Styles>
                 <ListBox.ItemTemplate>
                     <DataTemplate x:DataType="models:SaveModel">

Ryujinx.Ava/UI/Windows/TitleUpdateWindow.axaml

@@ -1,115 +1,135 @@
-<window:StyleableWindow
+<UserControl
     x:Class="Ryujinx.Ava.UI.Windows.TitleUpdateWindow"
     xmlns="https://github.com/avaloniaui"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:locale="clr-namespace:Ryujinx.Ava.Common.Locale"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
-    xmlns:window="clr-namespace:Ryujinx.Ava.UI.Windows"
-    Width="600"
-    Height="400"
-    MinWidth="600"
-    MinHeight="400"
-    MaxWidth="600"
-    MaxHeight="400"
-    SizeToContent="Height"
-    WindowStartupLocation="CenterOwner"
+    xmlns:viewModels="clr-namespace:Ryujinx.Ava.UI.ViewModels"
+    xmlns:models="clr-namespace:Ryujinx.Ava.UI.Models"
+    xmlns:ui="clr-namespace:FluentAvalonia.UI.Controls;assembly=FluentAvalonia"
+    Width="500"
+    Height="300"
     mc:Ignorable="d"
+    x:CompileBindings="True"
+    x:DataType="viewModels:TitleUpdateViewModel"
     Focusable="True">
-    <Grid Margin="15">
+    <Grid>
         <Grid.RowDefinitions>
-            <RowDefinition Height="Auto" />
-            <RowDefinition Height="Auto" />
             <RowDefinition Height="*" />
             <RowDefinition Height="Auto" />
         </Grid.RowDefinitions>
-        <TextBlock
-            Name="Heading"
-            Grid.Row="1"
-            MaxWidth="500"
-            Margin="20,15,20,20"
-            HorizontalAlignment="Center"
-            VerticalAlignment="Center"
-            LineHeight="18"
-            TextAlignment="Center"
-            TextWrapping="Wrap" />
         <Border
-            Grid.Row="2"
-            Margin="5"
+            Grid.Row="0"
+            Margin="0 0 0 24"
             HorizontalAlignment="Stretch"
             VerticalAlignment="Stretch"
-            BorderBrush="Gray"
-            BorderThickness="1">
-            <ScrollViewer
-                VerticalAlignment="Stretch"
-                HorizontalScrollBarVisibility="Auto"
-                VerticalScrollBarVisibility="Auto">
-                <ItemsControl
-                    Margin="10"
-                    HorizontalAlignment="Stretch"
-                    VerticalAlignment="Stretch"
-                    Items="{Binding _titleUpdates}">
-                    <ItemsControl.ItemTemplate>
-                        <DataTemplate>
-                            <RadioButton
-                                Padding="8,0"
-                                VerticalContentAlignment="Center"
-                                GroupName="Update"
-                                IsChecked="{Binding IsEnabled, Mode=TwoWay}">
-                                <Label
-                                    Margin="0"
+            BorderBrush="{DynamicResource AppListHoverBackgroundColor}"
+            BorderThickness="1"
+            CornerRadius="5"
+            Padding="2.5">
+            <ListBox
+                VirtualizationMode="None"
+                Background="Transparent"
+                SelectedItem="{Binding SelectedUpdate, Mode=TwoWay}"
+                Items="{Binding Views}">
+                <ListBox.DataTemplates>
+                    <DataTemplate
+                        DataType="models:TitleUpdateModel">
+                        <Panel Margin="10">
+                            <TextBlock
+                                HorizontalAlignment="Left"
+                                VerticalAlignment="Center"
+                                TextWrapping="Wrap"
+                                Text="{Binding Label}" />
+                            <StackPanel
+                                Spacing="10"
+                                Orientation="Horizontal"
+                                HorizontalAlignment="Right">
+                                <Button
                                     VerticalAlignment="Center"
-                                    Content="{Binding Label}"
-                                    FontSize="12" />
-                            </RadioButton>
-                        </DataTemplate>
-                    </ItemsControl.ItemTemplate>
-                </ItemsControl>
-            </ScrollViewer>
+                                    HorizontalAlignment="Right"
+                                    Padding="10"
+                                    MinWidth="0"
+                                    MinHeight="0"
+                                    Click="OpenLocation">
+                                    <ui:SymbolIcon
+                                        Symbol="OpenFolder"
+                                        HorizontalAlignment="Center"
+                                        VerticalAlignment="Center" />
+                                </Button>
+                                <Button
+                                    VerticalAlignment="Center"
+                                    HorizontalAlignment="Right"
+                                    Padding="10"
+                                    MinWidth="0"
+                                    MinHeight="0"
+                                    Click="RemoveUpdate">
+                                    <ui:SymbolIcon
+                                        Symbol="Cancel"
+                                        HorizontalAlignment="Center"
+                                        VerticalAlignment="Center" />
+                                </Button>
+                            </StackPanel>
+                        </Panel>
+                    </DataTemplate>
+                    <DataTemplate
+                        DataType="viewModels:BaseModel">
+                        <Panel
+                            Height="33"
+                            Margin="10">
+                            <TextBlock
+                                HorizontalAlignment="Left"
+                                VerticalAlignment="Center"
+                                TextWrapping="Wrap"
+                                Text="{locale:Locale NoUpdate}" />
+                        </Panel>
+                    </DataTemplate>
+                </ListBox.DataTemplates>
+                <ListBox.Styles>
+                    <Style Selector="ListBoxItem">
+                        <Setter Property="Background" Value="Transparent" />
+                    </Style>
+                </ListBox.Styles>
+            </ListBox>
         </Border>
-        <DockPanel
-            Grid.Row="3"
-            Margin="0"
+        <Panel
+            Grid.Row="1"
             HorizontalAlignment="Stretch">
-            <DockPanel Margin="0" HorizontalAlignment="Left">
+            <StackPanel
+                Orientation="Horizontal"
+                Spacing="10"
+                HorizontalAlignment="Left">
                 <Button
                     Name="AddButton"
                     MinWidth="90"
-                    Margin="5"
-                    Command="{Binding Add}">
+                    Command="{ReflectionBinding Add}">
                     <TextBlock Text="{locale:Locale SettingsTabGeneralAdd}" />
                 </Button>
-                <Button
-                    Name="RemoveButton"
-                    MinWidth="90"
-                    Margin="5"
-                    Command="{Binding RemoveSelected}">
-                    <TextBlock Text="{locale:Locale SettingsTabGeneralRemove}" />
-                </Button>
                 <Button
                     Name="RemoveAllButton"
                     MinWidth="90"
-                    Margin="5"
-                    Command="{Binding RemoveAll}">
+                    Click="RemoveAll">
                     <TextBlock Text="{locale:Locale DlcManagerRemoveAllButton}" />
                 </Button>
-            </DockPanel>
-            <DockPanel Margin="0" HorizontalAlignment="Right">
+            </StackPanel>
+            <StackPanel
+                Orientation="Horizontal"
+                Spacing="10"
+                HorizontalAlignment="Right">
                 <Button
                     Name="SaveButton"
                     MinWidth="90"
-                    Margin="5"
-                    Command="{Binding Save}">
+                    Click="Save">
                     <TextBlock Text="{locale:Locale SettingsButtonSave}" />
                 </Button>
                 <Button
                     Name="CancelButton"
                     MinWidth="90"
-                    Margin="5"
-                    Command="{Binding Close}">
+                    Click="Close">
                     <TextBlock Text="{locale:Locale InputDialogCancel}" />
                 </Button>
-            </DockPanel>
-        </DockPanel>
+            </StackPanel>
+        </Panel>
     </Grid>
-</window:StyleableWindow>
+</UserControl>

Ryujinx.Ava/UI/Windows/TitleUpdateWindow.axaml.cs

@@ -1,271 +1,116 @@
-using Avalonia.Collections;
 using Avalonia.Controls;
-using Avalonia.Threading;
-using LibHac.Common;
-using LibHac.Fs;
-using LibHac.Fs.Fsa;
-using LibHac.FsSystem;
-using LibHac.Ns;
-using LibHac.Tools.FsSystem;
-using LibHac.Tools.FsSystem.NcaUtils;
+using Avalonia.Interactivity;
+using Avalonia.Styling;
+using FluentAvalonia.UI.Controls;
 using Ryujinx.Ava.Common.Locale;
-using Ryujinx.Ava.UI.Controls;
 using Ryujinx.Ava.UI.Helpers;
 using Ryujinx.Ava.UI.Models;
-using Ryujinx.Common.Configuration;
+using Ryujinx.Ava.UI.ViewModels;
 using Ryujinx.Common.Utilities;
 using Ryujinx.HLE.FileSystem;
-using Ryujinx.HLE.HOS;
-using System;
-using System.Collections.Generic;
+using Ryujinx.Ui.Common.Helper;
 using System.IO;
-using System.Linq;
 using System.Text;
-using Path = System.IO.Path;
-using SpanHelpers = LibHac.Common.SpanHelpers;
+using System.Threading.Tasks;
+using Button = Avalonia.Controls.Button;
 
 namespace Ryujinx.Ava.UI.Windows
 {
-    public partial class TitleUpdateWindow : StyleableWindow
+    public partial class TitleUpdateWindow : UserControl
     {
-        private readonly string     _titleUpdateJsonPath;
-        private TitleUpdateMetadata _titleUpdateWindowData;
-
-        private VirtualFileSystem              _virtualFileSystem { get; }
-        private AvaloniaList<TitleUpdateModel> _titleUpdates      { get; set; }
-
-        private ulong  _titleId   { get; }
-        private string _titleName { get; }
+        public TitleUpdateViewModel ViewModel;
 
         public TitleUpdateWindow()
         {
             DataContext = this;
 
             InitializeComponent();
-            
-            Title = $"Ryujinx {Program.Version} - {LocaleManager.Instance[LocaleKeys.UpdateWindowTitle]} - {_titleName} ({_titleId:X16})";
         }
 
         public TitleUpdateWindow(VirtualFileSystem virtualFileSystem, ulong titleId, string titleName)
         {
-            _virtualFileSystem = virtualFileSystem;
-            _titleUpdates      = new AvaloniaList<TitleUpdateModel>();
-
-            _titleId   = titleId;
-            _titleName = titleName;
-
-            _titleUpdateJsonPath = Path.Combine(AppDataManager.GamesDirPath, titleId.ToString("x16"), "updates.json");
-
-            try
-            {
-                _titleUpdateWindowData = JsonHelper.DeserializeFromFile<TitleUpdateMetadata>(_titleUpdateJsonPath);
-            }
-            catch
-            {
-                _titleUpdateWindowData = new TitleUpdateMetadata 
-                {
-                    Selected = "",
-                    Paths    = new List<string>()
-                };
-            }
-
-            DataContext = this;
+            DataContext = ViewModel = new TitleUpdateViewModel(virtualFileSystem, titleId, titleName);
 
             InitializeComponent();
-
-            Title = $"Ryujinx {Program.Version} - {LocaleManager.Instance[LocaleKeys.UpdateWindowTitle]} - {_titleName} ({_titleId:X16})";
-
-            LoadUpdates();
-            PrintHeading();
         }
 
-        private void PrintHeading()
+        public static async Task Show(VirtualFileSystem virtualFileSystem, ulong titleId, string titleName)
         {
-            Heading.Text = string.Format(LocaleManager.Instance[LocaleKeys.GameUpdateWindowHeading], _titleUpdates.Count - 1, _titleName, _titleId.ToString("X16"));
-        }
-
-        private void LoadUpdates()
-        {
-            _titleUpdates.Add(new TitleUpdateModel(default, string.Empty, true));
-
-            foreach (string path in _titleUpdateWindowData.Paths)
+            ContentDialog contentDialog = new()
             {
-                AddUpdate(path);
-            }
-
-            if (_titleUpdateWindowData.Selected == "")
-            {
-                _titleUpdates[0].IsEnabled = true;
-            }
-            else
-            {
-                TitleUpdateModel       selected = _titleUpdates.FirstOrDefault(x => x.Path == _titleUpdateWindowData.Selected);
-                List<TitleUpdateModel> enabled  = _titleUpdates.Where(x => x.IsEnabled).ToList();
-
-                foreach (TitleUpdateModel update in enabled)
-                {
-                    update.IsEnabled = false;
-                }
-
-                if (selected != null)
-                {
-                    selected.IsEnabled = true;
-                }
-            }
-
-            SortUpdates();
-        }
-
-        private void AddUpdate(string path)
-        {
-            if (File.Exists(path) && !_titleUpdates.Any(x => x.Path == path))
-            {
-                using FileStream file = new(path, FileMode.Open, FileAccess.Read);
-
-                try
-                {
-                    (Nca patchNca, Nca controlNca) = ApplicationLoader.GetGameUpdateDataFromPartition(_virtualFileSystem, new PartitionFileSystem(file.AsStorage()), _titleId.ToString("x16"), 0);
-
-                    if (controlNca != null && patchNca != null)
-                    {
-                        ApplicationControlProperty controlData = new();
-
-                        using UniqueRef<IFile> nacpFile = new();
-
-                        controlNca.OpenFileSystem(NcaSectionType.Data, IntegrityCheckLevel.None).OpenFile(ref nacpFile.Ref(), "/control.nacp".ToU8Span(), OpenMode.Read).ThrowIfFailure();
-                        nacpFile.Get.Read(out _, 0, SpanHelpers.AsByteSpan(ref controlData), ReadOption.None).ThrowIfFailure();
-
-                        _titleUpdates.Add(new TitleUpdateModel(controlData, path));
-
-                        foreach (var update in _titleUpdates)
-                        {
-                            update.IsEnabled = false;
-                        }
-
-                        _titleUpdates.Last().IsEnabled = true;
-                    }
-                    else
-                    {
-                        Dispatcher.UIThread.Post(async () =>
-                        {
-                            await ContentDialogHelper.CreateErrorDialog(LocaleManager.Instance[LocaleKeys.DialogUpdateAddUpdateErrorMessage]);
-                        });
-                    }
-                }
-                catch (Exception ex)
-                {
-                    Dispatcher.UIThread.Post(async () =>
-                    {
-                        await ContentDialogHelper.CreateErrorDialog(string.Format(LocaleManager.Instance[LocaleKeys.DialogDlcLoadNcaErrorMessage], ex.Message, path));
-                    });
-                }
-            }
-        }
-
-        private void RemoveUpdates(bool removeSelectedOnly = false)
-        {
-            if (removeSelectedOnly)
-            {
-                _titleUpdates.RemoveAll(_titleUpdates.Where(x => x.IsEnabled && !x.IsNoUpdate).ToList());
-            }
-            else
-            {
-                _titleUpdates.RemoveAll(_titleUpdates.Where(x => !x.IsNoUpdate).ToList());
-            }
-
-            _titleUpdates.FirstOrDefault(x => x.IsNoUpdate).IsEnabled = true;
-
-            SortUpdates();
-            PrintHeading();
-        }
-
-        public void RemoveSelected()
-        {
-            RemoveUpdates(true);
-        }
-
-        public void RemoveAll()
-        {
-            RemoveUpdates();
-        }
-
-        public async void Add()
-        {
-            OpenFileDialog dialog = new()
-            {
-                Title         = LocaleManager.Instance[LocaleKeys.SelectUpdateDialogTitle],
-                AllowMultiple = true
+                PrimaryButtonText   = "",
+                SecondaryButtonText = "",
+                CloseButtonText     = "",
+                Content             = new TitleUpdateWindow(virtualFileSystem, titleId, titleName),
+                Title               = string.Format(LocaleManager.Instance[LocaleKeys.GameUpdateWindowHeading], titleName, titleId.ToString("X16"))
             };
 
-            dialog.Filters.Add(new FileDialogFilter
-            {
-                Name       = "NSP", 
-                Extensions = { "nsp" }
-            });
+            Style bottomBorder = new(x => x.OfType<Grid>().Name("DialogSpace").Child().OfType<Border>());
+            bottomBorder.Setters.Add(new Setter(IsVisibleProperty, false));
 
-            string[] files = await dialog.ShowAsync(this);
+            contentDialog.Styles.Add(bottomBorder);
 
-            if (files != null)
-            {
-                foreach (string file in files)
-                {
-                    AddUpdate(file);
-                }
-            }
-
-            SortUpdates();
-            PrintHeading();
+            await ContentDialogHelper.ShowAsync(contentDialog);
         }
 
-        private void SortUpdates()
+        private void Close(object sender, RoutedEventArgs e)
         {
-            var list = _titleUpdates.ToList();
-
-            list.Sort((first, second) =>
-            {
-                if (string.IsNullOrEmpty(first.Control.DisplayVersionString.ToString()))
-                {
-                    return -1;
-                }
-                else if (string.IsNullOrEmpty(second.Control.DisplayVersionString.ToString()))
-                {
-                    return 1;
-                }
-
-                return Version.Parse(first.Control.DisplayVersionString.ToString()).CompareTo(Version.Parse(second.Control.DisplayVersionString.ToString())) * -1;
-            });
-
-            _titleUpdates.Clear();
-            _titleUpdates.AddRange(list);
+            ((ContentDialog)Parent).Hide();
         }
 
-        public void Save()
+        public void Save(object sender, RoutedEventArgs e)
         {
-            _titleUpdateWindowData.Paths.Clear();
+            ViewModel._titleUpdateWindowData.Paths.Clear();
 
-            _titleUpdateWindowData.Selected = "";
+            ViewModel._titleUpdateWindowData.Selected = "";
 
-            foreach (TitleUpdateModel update in _titleUpdates)
+            foreach (TitleUpdateModel update in ViewModel.TitleUpdates)
             {
-                _titleUpdateWindowData.Paths.Add(update.Path);
+                ViewModel._titleUpdateWindowData.Paths.Add(update.Path);
 
-                if (update.IsEnabled)
+                if (update == ViewModel.SelectedUpdate)
                 {
-                    _titleUpdateWindowData.Selected = update.Path;
+                    ViewModel._titleUpdateWindowData.Selected = update.Path;
                 }
             }
 
-            using (FileStream titleUpdateJsonStream = File.Create(_titleUpdateJsonPath, 4096, FileOptions.WriteThrough))
+            using (FileStream titleUpdateJsonStream = File.Create(ViewModel._titleUpdateJsonPath, 4096, FileOptions.WriteThrough))
             {
-                titleUpdateJsonStream.Write(Encoding.UTF8.GetBytes(JsonHelper.Serialize(_titleUpdateWindowData, true)));
+                titleUpdateJsonStream.Write(Encoding.UTF8.GetBytes(JsonHelper.Serialize(ViewModel._titleUpdateWindowData, true)));
             }
 
-            if (Owner is MainWindow window)
+            if (VisualRoot is MainWindow window)
             {
                 window.ViewModel.LoadApplications();
             }
 
-            Close();
+            ((ContentDialog)Parent).Hide();
+        }
+
+        private void OpenLocation(object sender, RoutedEventArgs e)
+        {
+            if (sender is Button button)
+            {
+                if (button.DataContext is TitleUpdateModel model)
+                {
+                    OpenHelper.LocateFile(model.Path);
+                }
+            }
+        }
+
+        private void RemoveUpdate(object sender, RoutedEventArgs e)
+        {
+            if (sender is Button button)
+            {
+                ViewModel.RemoveUpdate((TitleUpdateModel)button.DataContext);
+            }
+        }
+
+        private void RemoveAll(object sender, RoutedEventArgs e)
+        {
+            ViewModel.TitleUpdates.Clear();
+
+            ViewModel.SortUpdates();
         }
     }
 }

Ryujinx.Graphics.Gpu/GpuChannel.cs

@@ -73,7 +73,7 @@ namespace Ryujinx.Graphics.Gpu
 
             // Since the memory manager changed, make sure we will get pools from addresses of the new memory manager.
             TextureManager.ReloadPools();
-            MemoryManager.Physical.BufferCache.QueuePrune();
+            memoryManager.Physical.BufferCache.QueuePrune();
         }
 
         /// <summary>
@@ -84,7 +84,9 @@ namespace Ryujinx.Graphics.Gpu
         private void MemoryUnmappedHandler(object sender, UnmapEventArgs e)
         {
             TextureManager.ReloadPools();
-            MemoryManager.Physical.BufferCache.QueuePrune();
+
+            var memoryManager = Volatile.Read(ref _memoryManager);
+            memoryManager?.Physical.BufferCache.QueuePrune();
         }
 
         /// <summary>

Ryujinx.Graphics.Gpu/Image/TextureGroup.cs

@@ -1431,9 +1431,20 @@ namespace Ryujinx.Graphics.Gpu.Image
                 return;
             }
 
+            bool isGpuThread = _context.IsGpuThread();
+
+            if (isGpuThread)
+            {
+                // No need to wait if we're on the GPU thread, we can just clear the modified flag immediately.
+                handle.Modified = false;
+            }
+
             _context.Renderer.BackgroundContextAction(() =>
             {
-                handle.Sync(_context);
+                if (!isGpuThread)
+                {
+                    handle.Sync(_context);
+                }
 
                 Storage.SignalModifiedDirty();
 

Ryujinx.Graphics.Gpu/Image/TextureGroupHandle.cs

@@ -10,7 +10,7 @@ namespace Ryujinx.Graphics.Gpu.Image
     /// A tracking handle for a texture group, which represents a range of views in a storage texture.
     /// Retains a list of overlapping texture views, a modified flag, and tracking for each
     /// CPU VA range that the views cover.
-    /// Also tracks copy dependencies for the handle - references to other handles that must be kept 
+    /// Also tracks copy dependencies for the handle - references to other handles that must be kept
     /// in sync with this one before use.
     /// </summary>
     class TextureGroupHandle : IDisposable
@@ -232,32 +232,23 @@ namespace Ryujinx.Graphics.Gpu.Image
         /// <param name="context">The GPU context used to wait for sync</param>
         public void Sync(GpuContext context)
         {
-            bool needsSync = !context.IsGpuThread();
+            ulong registeredSync = _registeredSync;
+            long diff = (long)(context.SyncNumber - registeredSync);
 
-            if (needsSync)
+            if (diff > 0)
             {
-                ulong registeredSync = _registeredSync;
-                long diff = (long)(context.SyncNumber - registeredSync);
+                context.Renderer.WaitSync(registeredSync);
 
-                if (diff > 0)
+                if ((long)(_modifiedSync - registeredSync) > 0)
                 {
-                    context.Renderer.WaitSync(registeredSync);
-
-                    if ((long)(_modifiedSync - registeredSync) > 0)
-                    {
-                        // Flush the data in a previous state. Do not remove the modified flag - it will be removed to ignore following writes.
-                        return;
-                    }
-
-                    Modified = false;
+                    // Flush the data in a previous state. Do not remove the modified flag - it will be removed to ignore following writes.
+                    return;
                 }
-                
-                // If the difference is <= 0, no data is not ready yet. Flush any data we can without waiting or removing modified flag.
-            }
-            else
-            {
+
                 Modified = false;
             }
+
+            // If the difference is <= 0, no data is not ready yet. Flush any data we can without waiting or removing modified flag.
         }
 
         /// <summary>

Ryujinx.HLE/HOS/Kernel/KernelStatic.cs

@@ -1,5 +1,4 @@
-using Ryujinx.HLE.HOS.Kernel.Common;
-using Ryujinx.HLE.HOS.Kernel.Memory;
+using Ryujinx.HLE.HOS.Kernel.Memory;
 using Ryujinx.HLE.HOS.Kernel.Process;
 using Ryujinx.HLE.HOS.Kernel.Threading;
 using Ryujinx.Horizon.Common;
@@ -71,4 +70,4 @@ namespace Ryujinx.HLE.HOS.Kernel
             return null;
         }
     }
-}
+}

Ryujinx.HLE/HOS/Services/Pm/IDebugMonitorInterface.cs

@@ -10,6 +10,24 @@ namespace Ryujinx.HLE.HOS.Services.Pm
     {
         public IDebugMonitorInterface(ServiceCtx context) { }
 
+        [CommandHipc(4)]
+        // GetProgramId() -> sf::Out<ncm::ProgramId> out_process_id
+        public ResultCode GetApplicationProcessId(ServiceCtx context)
+        {
+            // TODO: Not correct as it shouldn't be directly using kernel objects here
+            foreach (KProcess process in context.Device.System.KernelContext.Processes.Values)
+            {
+                if (process.IsApplication)
+                {
+                    context.ResponseData.Write(process.Pid);
+
+                    return ResultCode.Success;
+                }
+            }
+
+            return ResultCode.ProcessNotFound;
+        }
+
         [CommandHipc(65000)]
         // AtmosphereGetProcessInfo(os::ProcessId process_id) -> sf::OutCopyHandle out_process_handle, sf::Out<ncm::ProgramLocation> out_loc, sf::Out<cfg::OverrideStatus> out_status
         public ResultCode GetProcessInfo(ServiceCtx context)

Ryujinx.HLE/HOS/Services/Pm/IInformationInterface.cs

@@ -1,8 +1,28 @@
-namespace Ryujinx.HLE.HOS.Services.Pm
+using Ryujinx.HLE.HOS.Kernel;
+using Ryujinx.HLE.HOS.Kernel.Process;
+
+namespace Ryujinx.HLE.HOS.Services.Pm
 {
     [Service("pm:info")]
     class IInformationInterface : IpcService
     {
         public IInformationInterface(ServiceCtx context) { }
+
+        [CommandHipc(0)]
+        // GetProgramId(os::ProcessId process_id) -> sf::Out<ncm::ProgramId> out
+        public ResultCode GetProgramId(ServiceCtx context)
+        {
+            ulong pid = context.RequestData.ReadUInt64();
+
+            // TODO: Not correct as it shouldn't be directly using kernel objects here
+            if (context.Device.System.KernelContext.Processes.TryGetValue(pid, out KProcess process))
+            {
+                context.ResponseData.Write(process.TitleId);
+
+                return ResultCode.Success;
+            }
+
+            return ResultCode.ProcessNotFound;
+        }
     }
 }

Ryujinx.HLE/HOS/Services/Pm/ResultCode.cs

@@ -0,0 +1,17 @@
+namespace Ryujinx.HLE.HOS.Services.Pm
+{
+    enum ResultCode
+    {
+        ModuleId       = 15,
+        ErrorCodeShift = 9,
+
+        Success = 0,
+
+        ProcessNotFound    = (1 << ErrorCodeShift) | ModuleId,
+        AlreadyStarted     = (2 << ErrorCodeShift) | ModuleId,
+        NotTerminated      = (3 << ErrorCodeShift) | ModuleId,
+        DebugHookInUse     = (4 << ErrorCodeShift) | ModuleId,
+        ApplicationRunning = (5 << ErrorCodeShift) | ModuleId,
+        InvalidSize        = (6 << ErrorCodeShift) | ModuleId,
+    }
+}

Ryujinx.Headless.SDL2/SDL2MouseDriver.cs

@@ -10,7 +10,7 @@ namespace Ryujinx.Headless.SDL2
 {
     class SDL2MouseDriver : IGamepadDriver
     {
-        private const int CursorHideIdleTime = 8; // seconds
+        private const int CursorHideIdleTime = 5; // seconds
 
         private bool _isDisposed;
         private HideCursor _hideCursor;

Ryujinx.Memory/MemoryBlock.cs

@@ -435,12 +435,7 @@ namespace Ryujinx.Memory
 
         public static ulong GetPageSize()
         {
-            if (OperatingSystem.IsMacOS() && RuntimeInformation.ProcessArchitecture == Architecture.Arm64)
-            {
-                return 1UL << 14;
-            }
-
-            return 1UL << 12;
+            return (ulong)Environment.SystemPageSize;
         }
 
         private static void ThrowInvalidMemoryRegionException() => throw new InvalidMemoryRegionException();

Ryujinx.Ui.Common/Helper/OpenHelper.cs

@@ -1,19 +1,75 @@
 using Ryujinx.Common.Logging;
 using System;
 using System.Diagnostics;
+using System.IO;
+using System.Runtime.InteropServices;
 
 namespace Ryujinx.Ui.Common.Helper
 {
-    public static class OpenHelper
+    public static partial class OpenHelper
     {
+        [LibraryImport("shell32.dll", SetLastError = true)]
+        public static partial int SHOpenFolderAndSelectItems(IntPtr pidlFolder, uint cidl, IntPtr apidl, uint dwFlags);
+
+        [LibraryImport("shell32.dll", SetLastError = true)]
+        public static partial void ILFree(IntPtr pidlList);
+
+        [LibraryImport("shell32.dll", SetLastError = true)]
+        public static partial IntPtr ILCreateFromPathW([MarshalAs(UnmanagedType.LPWStr)] string pszPath);
+
         public static void OpenFolder(string path)
         {
-            Process.Start(new ProcessStartInfo
+            if (Directory.Exists(path))
             {
-                FileName        = path,
-                UseShellExecute = true,
-                Verb            = "open"
-            });
+                Process.Start(new ProcessStartInfo
+                {
+                    FileName        = path,
+                    UseShellExecute = true,
+                    Verb            = "open"
+                });
+            }
+            else
+            {
+                Logger.Notice.Print(LogClass.Application, $"Directory \"{path}\" doesn't exist!");
+            }
+        }
+
+        public static void LocateFile(string path)
+        {
+            if (File.Exists(path))
+            {
+                if (OperatingSystem.IsWindows())
+                {
+                    IntPtr pidlList = ILCreateFromPathW(path);
+                    if (pidlList != IntPtr.Zero)
+                    {
+                        try
+                        {
+                            Marshal.ThrowExceptionForHR(SHOpenFolderAndSelectItems(pidlList, 0, IntPtr.Zero, 0));
+                        }
+                        finally
+                        {
+                            ILFree(pidlList);
+                        }
+                    }
+                }
+                else if (OperatingSystem.IsMacOS())
+                {
+                    Process.Start("open", $"-R \"{path}\"");
+                }
+                else if (OperatingSystem.IsLinux())
+                {
+                    Process.Start("dbus-send", $"--session --print-reply --dest=org.freedesktop.FileManager1 --type=method_call /org/freedesktop/FileManager1 org.freedesktop.FileManager1.ShowItems array:string:\"file://{path}\" string:\"\"");
+                }
+                else
+                {
+                    OpenFolder(Path.GetDirectoryName(path));
+                }
+            }
+            else
+            {
+                Logger.Notice.Print(LogClass.Application, $"File \"{path}\" doesn't exist!");
+            }
         }
 
         public static void OpenUrl(string url)

Ryujinx/Ui/RendererWidgetBase.cs

@@ -68,7 +68,7 @@ namespace Ryujinx.Ui
         private readonly CancellationTokenSource _gpuCancellationTokenSource;
 
         // Hide Cursor
-        const int CursorHideIdleTime = 8; // seconds
+        const int CursorHideIdleTime = 5; // seconds
         private static readonly Cursor _invisibleCursor = new Cursor(Display.Default, CursorType.BlankCursor);
         private long _lastCursorMoveTime;
         private bool _hideCursorOnIdle;