Audren: Implement polyphase upsampler (#4256)

* Audren: Implement polyphase upsampler

* prefer shifting to modulo

* prefer MathF

* fix nits

* rm ResampleForUpsampler

* oop

* Array20

* nits

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;
+                UpsamplerHelper.Upsample(outputBuffer, inputBuffer, (int)UpsamplerInfo.SampleCount, (int)InputSampleCount, ref UpsamplerInfo.BufferStates[i]);
-
-                ResamplerHelper.ResampleForUpsampler(outputBuffer, inputBuffer, ratio, ref fraction, (int)(InputSampleCount / ratio));
             }
         }
     }

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;
+            Dispatcher.UIThread.Post(() =>
-            _viewModel.Cursor   = Cursor.Default;
+            {
+                _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;
+                _lastCursorMoveTime = Stopwatch.GetTimestamp();
-
+            }
-                if (_hideCursorOnIdle)
-                {
-                    _lastCursorMoveTime = Stopwatch.GetTimestamp();
-                }
-                else
-                {
-                    _viewModel.Cursor = Cursor.Default;
-                }
-            });
         }
 
         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/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/Program.cs

@@ -28,7 +28,7 @@ namespace Ryujinx.Ava
         public static double DesktopScaleFactor { get; set; } = 1.0;
         public static string Version            { get; private set; }
         public static string ConfigurationPath  { get; private set; }
-        public static bool   PreviewerDetached {  get; private set; }
+        public static bool   PreviewerDetached  { get; private set; }
 
         [LibraryImport("user32.dll", SetLastError = true)]
         public static partial int MessageBoxA(IntPtr hWnd, [MarshalAs(UnmanagedType.LPStr)] string text, [MarshalAs(UnmanagedType.LPStr)] string caption, uint type);
@@ -276,4 +276,4 @@ namespace Ryujinx.Ava
             Logger.Shutdown();
         }
     }
-}
+}

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.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;
+                context.Renderer.WaitSync(registeredSync);
-                long diff = (long)(context.SyncNumber - registeredSync);
 
-                if (diff > 0)
+                if ((long)(_modifiedSync - registeredSync) > 0)
                 {
-                    context.Renderer.WaitSync(registeredSync);
+                    // Flush the data in a previous state. Do not remove the modified flag - it will be removed to ignore following writes.
-
+                    return;
-                    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;
                 }
-                
+
-                // 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.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 (ulong)Environment.SystemPageSize;
-            {
-                return 1UL << 14;
-            }
-
-            return 1UL << 12;
         }
 
         private static void ThrowInvalidMemoryRegionException() => throw new InvalidMemoryRegionException();

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;