GPU: Fix errors handling texture remapping (#4745)

* GPU: Fix errors handling texture remapping

- Fixes an error where a pool entry and memory mapping changing at the same time could cause a texture to rebind its data from the wrong GPU VA (data swaps)
- Fixes an error where the texture pool could act on a mapping change before the mapping has actually been changed ("Unmapped" event happens before change, we need to signal it changed _after_ it completes)

TODO: remove textures from partially mapped list... if they aren't.

* Add Remap actions for handling post-mapping behaviours

* Remove unused code.

* Address feedback

* Nit

Directory.Packages.props

@@ -44,7 +44,7 @@
     <PackageVersion Include="SixLabors.ImageSharp.Drawing" Version="1.0.0-beta11" />
     <PackageVersion Include="SPB" Version="0.0.4-build28" />
     <PackageVersion Include="System.Drawing.Common" Version="7.0.0" />
-    <PackageVersion Include="System.IdentityModel.Tokens.Jwt" Version="6.29.0" />
+    <PackageVersion Include="System.IdentityModel.Tokens.Jwt" Version="6.30.0" />
     <PackageVersion Include="System.IO.Hashing" Version="7.0.0" />
     <PackageVersion Include="System.Management" Version="7.0.1" />
     <PackageVersion Include="UnicornEngine.Unicorn" Version="2.0.2-rc1-fb78016" />

distribution/macos/create_app_bundle.sh

@@ -41,12 +41,10 @@ then
         exit 1
     fi
 
-    # NOTE: Currently require https://github.com/indygreg/apple-platform-rs/pull/44 to work on other OSes.
-    # cargo install --git "https://github.com/marysaka/apple-platform-rs" --branch "fix/adhoc-app-bundle" apple-codesign --bin "rcodesign"
+    # cargo install apple-codesign
     echo "Usign rcodesign for ad-hoc signing"
     rcodesign sign --entitlements-xml-path "$ENTITLEMENTS_FILE_PATH" "$APP_BUNDLE_DIRECTORY"
 else
     echo "Usign codesign for ad-hoc signing"
     codesign --entitlements "$ENTITLEMENTS_FILE_PATH" -f --deep -s - "$APP_BUNDLE_DIRECTORY"
-fi
-
+fi

distribution/macos/create_macos_release.sh

@@ -30,14 +30,14 @@ mkdir -p "$TEMP_DIRECTORY"
 DOTNET_COMMON_ARGS="-p:DebugType=embedded -p:Version=$VERSION -p:SourceRevisionId=$SOURCE_REVISION_ID --self-contained true"
 
 dotnet restore
-dotnet build -c Release Ryujinx.Ava
-dotnet publish -c Release -r osx-arm64 -o "$TEMP_DIRECTORY/publish_arm64" $DOTNET_COMMON_ARGS Ryujinx.Ava
-dotnet publish -c Release -r osx-x64 -o "$TEMP_DIRECTORY/publish_x64" $DOTNET_COMMON_ARGS Ryujinx.Ava
+dotnet build -c Release src/Ryujinx.Ava
+dotnet publish -c Release -r osx-arm64 -o "$TEMP_DIRECTORY/publish_arm64" $DOTNET_COMMON_ARGS src/Ryujinx.Ava
+dotnet publish -c Release -r osx-x64 -o "$TEMP_DIRECTORY/publish_x64" $DOTNET_COMMON_ARGS src/Ryujinx.Ava
 
-# Get ride of the support library for ARMeilleur for x64 (that's only for arm64)
+# Get rid of the support library for ARMeilleure for x64 (that's only for arm64)
 rm -rf "$TEMP_DIRECTORY/publish_x64/libarmeilleure-jitsupport.dylib"
 
-# Get ride of libsoundio from arm64 builds as we don't have a arm64 variant
+# Get rid of libsoundio from arm64 builds as we don't have a arm64 variant
 # TODO: remove this once done
 rm -rf "$TEMP_DIRECTORY/publish_arm64/libsoundio.dylib"
 
@@ -102,4 +102,4 @@ gzip -9 < $RELEASE_TAR_FILE_NAME > $RELEASE_TAR_FILE_NAME.gz
 rm $RELEASE_TAR_FILE_NAME
 popd
 
-echo "Done"
+echo "Done"

src/Ryujinx.Ava/UI/ViewModels/MainWindowViewModel.cs

@@ -95,6 +95,9 @@ namespace Ryujinx.Ava.UI.ViewModels
         private string _currentEmulatedGamePath;
         private AutoResetEvent _rendererWaitEvent;
         private WindowState _windowState;
+        private double _windowWidth;
+        private double _windowHeight;
+
         private bool _isActive;
 
         public ApplicationData ListSelectedApplication;
@@ -622,6 +625,28 @@ namespace Ryujinx.Ava.UI.ViewModels
                 OnPropertyChanged();
             }
         }
+        
+        public double WindowWidth
+        {
+            get => _windowWidth;
+            set
+            {
+                _windowWidth = value;
+
+                OnPropertyChanged();
+            }
+        }
+
+        public double WindowHeight
+        {
+            get => _windowHeight;
+            set
+            {
+                _windowHeight = value;
+
+                OnPropertyChanged();
+            }
+        }
 
         public bool IsGrid => Glyph == Glyph.Grid;
         public bool IsList => Glyph == Glyph.List;

src/Ryujinx.Ava/UI/Windows/MainWindow.axaml

@@ -12,15 +12,14 @@
     Cursor="{Binding Cursor}"
     Title="{Binding Title}"
     WindowState="{Binding WindowState}"
-    Width="1280"
-    Height="777"
+    Width="{Binding WindowWidth}"
+    Height="{Binding WindowHeight}"
     MinWidth="1092"
     MinHeight="672"
     d:DesignHeight="720"
     d:DesignWidth="1280"
     x:CompileBindings="True"
     x:DataType="viewModels:MainWindowViewModel"
-    WindowStartupLocation="CenterScreen"
     mc:Ignorable="d"
     Focusable="True">
     <Window.Styles>

src/Ryujinx.Ava/UI/Windows/MainWindow.axaml.cs

@@ -62,6 +62,8 @@ namespace Ryujinx.Ava.UI.Windows
 
             DataContext = ViewModel;
 
+            SetWindowSizePosition();
+
             InitializeComponent();
             Load();
 
@@ -297,6 +299,51 @@ namespace Ryujinx.Ava.UI.Windows
             LoadHotKeys();
         }
 
+        private void SetWindowSizePosition()
+        {
+            PixelPoint SavedPoint = new PixelPoint(ConfigurationState.Instance.Ui.WindowStartup.WindowPositionX, 
+                                                   ConfigurationState.Instance.Ui.WindowStartup.WindowPositionY);
+
+            ViewModel.WindowHeight = ConfigurationState.Instance.Ui.WindowStartup.WindowSizeHeight * Program.WindowScaleFactor;
+            ViewModel.WindowWidth = ConfigurationState.Instance.Ui.WindowStartup.WindowSizeWidth * Program.WindowScaleFactor;
+
+            ViewModel.WindowState = ConfigurationState.Instance.Ui.WindowStartup.WindowMaximized.Value is true ? WindowState.Maximized : WindowState.Normal;
+        
+            if (CheckScreenBounds(SavedPoint))
+            {
+                Position = SavedPoint;
+            }
+
+            else WindowStartupLocation = WindowStartupLocation.CenterScreen;
+        }
+
+        private bool CheckScreenBounds(PixelPoint configPoint)
+        {   
+            for (int i = 0; i < Screens.ScreenCount; i++)
+            {
+                if (Screens.All[i].Bounds.Contains(configPoint))
+                {
+                    return true;
+                }
+            }
+
+            Logger.Warning?.Print(LogClass.Application, $"Failed to find valid start-up coordinates. Defaulting to primary monitor center.");
+            return false;
+        }
+
+        private void SaveWindowSizePosition()
+        {
+            ConfigurationState.Instance.Ui.WindowStartup.WindowSizeHeight.Value = (int)Height;
+            ConfigurationState.Instance.Ui.WindowStartup.WindowSizeWidth.Value = (int)Width;
+
+            ConfigurationState.Instance.Ui.WindowStartup.WindowPositionX.Value = Position.X;
+            ConfigurationState.Instance.Ui.WindowStartup.WindowPositionY.Value = Position.Y;
+
+            ConfigurationState.Instance.Ui.WindowStartup.WindowMaximized.Value = WindowState == WindowState.Maximized;
+
+            MainWindowViewModel.SaveConfig();
+        }
+
         protected override void OnOpened(EventArgs e)
         {
             base.OnOpened(e);
@@ -388,6 +435,8 @@ namespace Ryujinx.Ava.UI.Windows
                 return;
             }
 
+            SaveWindowSizePosition();
+
             ApplicationLibrary.CancelLoading();
             InputManager.Dispose();
             Program.Exit();

src/Ryujinx.Graphics.Gpu/Engine/GPFifo/GPFifoDevice.cs

@@ -252,6 +252,7 @@ namespace Ryujinx.Graphics.Gpu.Engine.GPFifo
         public void Interrupt()
         {
             _interrupt = true;
+            _event.Set();
         }
 
         /// <summary>

src/Ryujinx.Graphics.Gpu/Image/Texture.cs

@@ -1610,6 +1610,8 @@ namespace Ryujinx.Graphics.Gpu.Image
         /// </summary>
         public void UpdatePoolMappings()
         {
+            ChangedMapping = true;
+
             lock (_poolOwners)
             {
                 ulong address = 0;
@@ -1685,8 +1687,6 @@ namespace Ryujinx.Graphics.Gpu.Image
             {
                 Group.ClearModified(unmapRange);
             }
-
-            UpdatePoolMappings();
         }
 
         /// <summary>

src/Ryujinx.Graphics.Gpu/Image/TextureCache.cs

@@ -64,7 +64,7 @@ namespace Ryujinx.Graphics.Gpu.Image
         }
 
         /// <summary>
-        /// Handles removal of textures written to a memory region being unmapped.
+        /// Handles marking of textures written to a memory region being (partially) remapped.
         /// </summary>
         /// <param name="sender">Sender object</param>
         /// <param name="e">Event arguments</param>
@@ -80,26 +80,41 @@ namespace Ryujinx.Graphics.Gpu.Image
                 overlapCount = _textures.FindOverlaps(unmapped, ref overlaps);
             }
 
-            for (int i = 0; i < overlapCount; i++)
+            if (overlapCount > 0)
             {
-                overlaps[i].Unmapped(unmapped);
+                for (int i = 0; i < overlapCount; i++)
+                {
+                    overlaps[i].Unmapped(unmapped);
+                }
             }
 
-            // If any range was previously unmapped, we also need to purge
-            // all partially mapped texture, as they might be fully mapped now.
-            for (int i = 0; i < unmapped.Count; i++)
+            lock (_partiallyMappedTextures)
             {
-                if (unmapped.GetSubRange(i).Address == MemoryManager.PteUnmapped)
+                if (overlapCount > 0 || _partiallyMappedTextures.Count > 0)
                 {
-                    lock (_partiallyMappedTextures)
+                    e.AddRemapAction(() =>
                     {
-                        foreach (var texture in _partiallyMappedTextures)
+                        lock (_partiallyMappedTextures)
                         {
-                            texture.Unmapped(unmapped);
-                        }
-                    }
+                            if (overlapCount > 0)
+                            {
+                                for (int i = 0; i < overlapCount; i++)
+                                {
+                                    _partiallyMappedTextures.Add(overlaps[i]);
+                                }
+                            }
 
-                    break;
+                            // Any texture that has been unmapped at any point or is partially unmapped
+                            // should update their pool references after the remap completes.
+
+                            MultiRange unmapped = ((MemoryManager)sender).GetPhysicalRegions(e.Address, e.Size);
+
+                            foreach (var texture in _partiallyMappedTextures)
+                            {
+                                texture.UpdatePoolMappings();
+                            }
+                        }
+                    });
                 }
             }
         }
@@ -1135,6 +1150,44 @@ namespace Ryujinx.Graphics.Gpu.Image
             }
         }
 
+        /// <summary>
+        /// Queries a texture's memory range and marks it as partially mapped or not.
+        /// Partially mapped textures re-evaluate their memory range after each time GPU memory is mapped.
+        /// </summary>
+        /// <param name="memoryManager">GPU memory manager where the texture is mapped</param>
+        /// <param name="address">The virtual address of the texture</param>
+        /// <param name="texture">The texture to be marked</param>
+        /// <returns>The physical regions for the texture, found when evaluating whether the texture was partially mapped</returns>
+        public MultiRange UpdatePartiallyMapped(MemoryManager memoryManager, ulong address, Texture texture)
+        {
+            MultiRange range;
+            lock (_partiallyMappedTextures)
+            {
+                range = memoryManager.GetPhysicalRegions(address, texture.Size);
+                bool partiallyMapped = false;
+
+                for (int i = 0; i < range.Count; i++)
+                {
+                    if (range.GetSubRange(i).Address == MemoryManager.PteUnmapped)
+                    {
+                        partiallyMapped = true;
+                        break;
+                    }
+                }
+
+                if (partiallyMapped)
+                {
+                    _partiallyMappedTextures.Add(texture);
+                }
+                else
+                {
+                    _partiallyMappedTextures.Remove(texture);
+                }
+            }
+
+            return range;
+        }
+
         /// <summary>
         /// Adds a texture to the short duration cache. This typically keeps it alive for two ticks.
         /// </summary>

src/Ryujinx.Graphics.Gpu/Image/TexturePool.cs

@@ -272,7 +272,15 @@ namespace Ryujinx.Graphics.Gpu.Image
 
                     ulong address = descriptor.UnpackAddress();
 
-                    MultiRange range = _channel.MemoryManager.GetPhysicalRegions(address, texture.Size);
+                    if (!descriptor.Equals(ref DescriptorCache[request.ID]))
+                    {
+                        // If the pool entry has already been replaced, just remove the texture.
+
+                        texture.DecrementReferenceCount();
+                        continue;
+                    }
+
+                    MultiRange range = _channel.MemoryManager.Physical.TextureCache.UpdatePartiallyMapped(_channel.MemoryManager, address, texture);
 
                     // If the texture is not mapped at all, delete its reference.
 

src/Ryujinx.Graphics.Gpu/Memory/MemoryManager.cs

@@ -365,6 +365,22 @@ namespace Ryujinx.Graphics.Gpu.Memory
             }
         }
 
+        /// <summary>
+        /// Runs remap actions that are added to an unmap event.
+        /// These must run after the mapping completes.
+        /// </summary>
+        /// <param name="e">Event with remap actions</param>
+        private void RunRemapActions(UnmapEventArgs e)
+        {
+            if (e.RemapActions != null)
+            {
+                foreach (Action action in e.RemapActions)
+                {
+                    action();
+                }
+            }
+        }
+
         /// <summary>
         /// Maps a given range of pages to the specified CPU virtual address.
         /// </summary>
@@ -379,12 +395,15 @@ namespace Ryujinx.Graphics.Gpu.Memory
         {
             lock (_pageTable)
             {
-                MemoryUnmapped?.Invoke(this, new UnmapEventArgs(va, size));
+                UnmapEventArgs e = new(va, size);
+                MemoryUnmapped?.Invoke(this, e);
 
                 for (ulong offset = 0; offset < size; offset += PageSize)
                 {
                     SetPte(va + offset, PackPte(pa + offset, kind));
                 }
+
+                RunRemapActions(e);
             }
         }
 
@@ -398,12 +417,15 @@ namespace Ryujinx.Graphics.Gpu.Memory
             lock (_pageTable)
             {
                 // Event handlers are not expected to be thread safe.
-                MemoryUnmapped?.Invoke(this, new UnmapEventArgs(va, size));
+                UnmapEventArgs e = new(va, size);
+                MemoryUnmapped?.Invoke(this, e);
 
                 for (ulong offset = 0; offset < size; offset += PageSize)
                 {
                     SetPte(va + offset, PteUnmapped);
                 }
+
+                RunRemapActions(e);
             }
         }
 

src/Ryujinx.Graphics.Gpu/Memory/UnmapEventArgs.cs

@@ -1,14 +1,24 @@
-namespace Ryujinx.Graphics.Gpu.Memory
+using System;
+using System.Collections.Generic;
+
+namespace Ryujinx.Graphics.Gpu.Memory
 {
     public class UnmapEventArgs
     {
         public ulong Address { get; }
         public ulong Size { get; }
+        public List<Action> RemapActions { get; private set; }
 
         public UnmapEventArgs(ulong address, ulong size)
         {
             Address = address;
             Size = size;
         }
+
+        public void AddRemapAction(Action action)
+        {
+            RemapActions ??= new List<Action>();
+            RemapActions.Add(action);
+        }
     }
 }

src/Ryujinx.Memory/Range/MemoryRange.cs

@@ -57,5 +57,19 @@
 
             return thisAddress < otherEndAddress && otherAddress < thisEndAddress;
         }
+
+        /// <summary>
+        /// Returns a string summary of the memory range.
+        /// </summary>
+        /// <returns>A string summary of the memory range</returns>
+        public override string ToString()
+        {
+            if (Address == ulong.MaxValue)
+            {
+                return $"[Unmapped 0x{Size:X}]";
+            }
+
+            return $"[0x{Address:X}, 0x{EndAddress:X})";
+        }
     }
 }

src/Ryujinx.Memory/Range/MultiRange.cs

@@ -319,5 +319,14 @@ namespace Ryujinx.Memory.Range
 
             return hash.ToHashCode();
         }
+
+        /// <summary>
+        /// Returns a string summary of the ranges contained in the MultiRange.
+        /// </summary>
+        /// <returns>A string summary of the ranges contained within</returns>
+        public override string ToString()
+        {
+            return HasSingleRange ? _singleRange.ToString() : string.Join(", ", _ranges);
+        }
     }
 }

src/Ryujinx.Ui.Common/Configuration/ConfigurationFileFormat.cs

@@ -14,7 +14,7 @@ namespace Ryujinx.Ui.Common.Configuration
         /// <summary>
         /// The current version of the file format
         /// </summary>
-        public const int CurrentVersion = 46;
+        public const int CurrentVersion = 47;
 
         /// <summary>
         /// Version of the configuration file format
@@ -251,6 +251,11 @@ namespace Ryujinx.Ui.Common.Configuration
         /// </summary>
         public ShownFileTypes ShownFileTypes { get; set; }
 
+        /// <summary>
+        /// Main window start-up position, size and state
+        /// </summary>
+        public WindowStartup WindowStartup { get; set; }
+
         /// <summary>
         /// Language Code for the UI
         /// </summary>

src/Ryujinx.Ui.Common/Configuration/ConfigurationState.cs

@@ -83,6 +83,27 @@ namespace Ryujinx.Ui.Common.Configuration
                 }
             }
 
+            // <summary>
+            /// Determines main window start-up position, size and state
+            ///<summary>
+            public class WindowStartupSettings
+            {
+                public ReactiveObject<int> WindowSizeWidth { get; private set; }
+                public ReactiveObject<int> WindowSizeHeight { get; private set; }
+                public ReactiveObject<int> WindowPositionX { get; private set; }
+                public ReactiveObject<int> WindowPositionY { get; private set; }
+                public ReactiveObject<bool> WindowMaximized { get; private set; }
+
+                public WindowStartupSettings()
+                {
+                    WindowSizeWidth = new ReactiveObject<int>();
+                    WindowSizeHeight = new ReactiveObject<int>();
+                    WindowPositionX = new ReactiveObject<int>();
+                    WindowPositionY = new ReactiveObject<int>();
+                    WindowMaximized = new ReactiveObject<bool>();
+                }
+            }
+
             /// <summary>
             /// Used to toggle columns in the GUI
             /// </summary>
@@ -103,6 +124,11 @@ namespace Ryujinx.Ui.Common.Configuration
             /// </summary>
             public ShownFileTypeSettings ShownFileTypes { get; private set; }
 
+            /// <summary>
+            /// Determines main window start-up position, size and state
+            /// </summary>
+            public WindowStartupSettings WindowStartup { get; private set; }
+
             /// <summary>
             /// Language Code for the UI
             /// </summary>
@@ -163,7 +189,8 @@ namespace Ryujinx.Ui.Common.Configuration
                 GuiColumns        = new Columns();
                 ColumnSort        = new ColumnSortSettings();
                 GameDirs          = new ReactiveObject<List<string>>();
-                ShownFileTypes   = new ShownFileTypeSettings();
+                ShownFileTypes    = new ShownFileTypeSettings();
+                WindowStartup     = new WindowStartupSettings();
                 EnableCustomTheme = new ReactiveObject<bool>();
                 CustomThemePath   = new ReactiveObject<string>();
                 BaseStyle         = new ReactiveObject<string>();
@@ -663,12 +690,12 @@ namespace Ryujinx.Ui.Common.Configuration
                     FileSizeColumn   = Ui.GuiColumns.FileSizeColumn,
                     PathColumn       = Ui.GuiColumns.PathColumn
                 },
-                ColumnSort                 = new ColumnSort
+                ColumnSort                = new ColumnSort
                 {
                     SortColumnId  = Ui.ColumnSort.SortColumnId,
                     SortAscending = Ui.ColumnSort.SortAscending
                 },
-                GameDirs                   = Ui.GameDirs,
+                GameDirs                  = Ui.GameDirs,
                 ShownFileTypes            = new ShownFileTypes
                 {
                     NSP = Ui.ShownFileTypes.NSP,
@@ -678,6 +705,14 @@ namespace Ryujinx.Ui.Common.Configuration
                     NRO = Ui.ShownFileTypes.NRO,
                     NSO = Ui.ShownFileTypes.NSO,
                 },
+                WindowStartup              = new WindowStartup
+                {
+                    WindowSizeWidth = Ui.WindowStartup.WindowSizeWidth,
+                    WindowSizeHeight = Ui.WindowStartup.WindowSizeHeight,
+                    WindowPositionX = Ui.WindowStartup.WindowPositionX,
+                    WindowPositionY = Ui.WindowStartup.WindowPositionY,
+                    WindowMaximized = Ui.WindowStartup.WindowMaximized,
+                },
                 LanguageCode               = Ui.LanguageCode,
                 EnableCustomTheme          = Ui.EnableCustomTheme,
                 CustomThemePath            = Ui.CustomThemePath,
@@ -781,6 +816,11 @@ namespace Ryujinx.Ui.Common.Configuration
             Ui.IsAscendingOrder.Value                 = true;
             Ui.StartFullscreen.Value                  = false;
             Ui.ShowConsole.Value                      = true;
+            Ui.WindowStartup.WindowSizeWidth.Value    = 1280;
+            Ui.WindowStartup.WindowSizeHeight.Value   = 760;
+            Ui.WindowStartup.WindowPositionX.Value    = 0;
+            Ui.WindowStartup.WindowPositionY.Value    = 0;
+            Ui.WindowStartup.WindowMaximized.Value    = false;
             Hid.EnableKeyboard.Value                  = false;
             Hid.EnableMouse.Value                     = false;
             Hid.Hotkeys.Value = new KeyboardHotkeys
@@ -1334,13 +1374,29 @@ namespace Ryujinx.Ui.Common.Configuration
 
             if (configurationFileFormat.Version < 46)
             {
-                Ryujinx.Common.Logging.Logger.Warning?.Print(LogClass.Application, $"Outdated configuration version {configurationFileFormat.Version}, migrating to version 45.");
+                Ryujinx.Common.Logging.Logger.Warning?.Print(LogClass.Application, $"Outdated configuration version {configurationFileFormat.Version}, migrating to version 46.");
 
                 configurationFileFormat.MultiplayerLanInterfaceId = "0";
 
                 configurationFileUpdated = true;
             }
 
+            if (configurationFileFormat.Version < 47)
+            {
+                Ryujinx.Common.Logging.Logger.Warning?.Print(LogClass.Application, $"Outdated configuration version {configurationFileFormat.Version}, migrating to version 47.");
+
+                configurationFileFormat.WindowStartup = new WindowStartup
+                {
+                    WindowPositionX = 0,
+                    WindowPositionY = 0,
+                    WindowSizeHeight = 760,
+                    WindowSizeWidth = 1280,
+                    WindowMaximized = false,
+                };
+                
+                configurationFileUpdated = true;
+            }
+
             Logger.EnableFileLog.Value                = configurationFileFormat.EnableFileLog;
             Graphics.ResScale.Value                   = configurationFileFormat.ResScale;
             Graphics.ResScaleCustom.Value             = configurationFileFormat.ResScaleCustom;
@@ -1416,6 +1472,11 @@ namespace Ryujinx.Ui.Common.Configuration
             Ui.ApplicationSort.Value                  = configurationFileFormat.ApplicationSort;
             Ui.StartFullscreen.Value                  = configurationFileFormat.StartFullscreen;
             Ui.ShowConsole.Value                      = configurationFileFormat.ShowConsole;
+            Ui.WindowStartup.WindowSizeWidth.Value    = configurationFileFormat.WindowStartup.WindowSizeWidth;
+            Ui.WindowStartup.WindowSizeHeight.Value   = configurationFileFormat.WindowStartup.WindowSizeHeight;
+            Ui.WindowStartup.WindowPositionX.Value    = configurationFileFormat.WindowStartup.WindowPositionX;
+            Ui.WindowStartup.WindowPositionY.Value    = configurationFileFormat.WindowStartup.WindowPositionY;
+            Ui.WindowStartup.WindowMaximized.Value    = configurationFileFormat.WindowStartup.WindowMaximized;
             Hid.EnableKeyboard.Value                  = configurationFileFormat.EnableKeyboard;
             Hid.EnableMouse.Value                     = configurationFileFormat.EnableMouse;
             Hid.Hotkeys.Value                         = configurationFileFormat.Hotkeys;

src/Ryujinx.Ui.Common/Configuration/Ui/WindowStartup.cs

@@ -0,0 +1,11 @@
+namespace Ryujinx.Ui.Common.Configuration.Ui
+{
+    public struct WindowStartup
+    {
+        public int WindowSizeWidth { get; set; }
+        public int WindowSizeHeight { get; set; }
+        public int WindowPositionX { get; set; }
+        public int WindowPositionY { get; set; }
+        public bool WindowMaximized { get; set; }
+    }
+}

src/Ryujinx/Ui/MainWindow.cs

@@ -153,13 +153,8 @@ namespace Ryujinx.Ui
 
             // Apply custom theme if needed.
             ThemeHelper.ApplyTheme();
-            Gdk.Monitor monitor = Display.GetMonitor(0);
-            // Sets overridden fields.
-            int monitorWidth  = monitor.Geometry.Width  * monitor.ScaleFactor;
-            int monitorHeight = monitor.Geometry.Height * monitor.ScaleFactor;
 
-            DefaultWidth  = monitorWidth  < 1280 ? monitorWidth  : 1280;
-            DefaultHeight = monitorHeight < 760  ? monitorHeight : 760;
+            SetWindowSizePosition();
 
             Icon  = new Gdk.Pixbuf(Assembly.GetAssembly(typeof(ConfigurationState)), "Ryujinx.Ui.Common.Resources.Logo_Ryujinx.png");
             Title = $"Ryujinx {Program.Version}";
@@ -1314,6 +1309,7 @@ namespace Ryujinx.Ui
         {
             if (!_gameLoaded || !ConfigurationState.Instance.ShowConfirmExit || GtkDialog.CreateExitDialog())
             {
+                SaveWindowSizePosition();
                 End();
             }
         }
@@ -1322,6 +1318,7 @@ namespace Ryujinx.Ui
         {
             if (!_gameLoaded || !ConfigurationState.Instance.ShowConfirmExit || GtkDialog.CreateExitDialog())
             {
+                SaveWindowSizePosition();        
                 End();
             }
             else
@@ -1330,6 +1327,33 @@ namespace Ryujinx.Ui
             }
         }
 
+        private void SetWindowSizePosition()
+        {
+            DefaultWidth  = ConfigurationState.Instance.Ui.WindowStartup.WindowSizeWidth;
+            DefaultHeight = ConfigurationState.Instance.Ui.WindowStartup.WindowSizeHeight;
+
+            Move(ConfigurationState.Instance.Ui.WindowStartup.WindowPositionX, ConfigurationState.Instance.Ui.WindowStartup.WindowPositionY);
+
+            if (ConfigurationState.Instance.Ui.WindowStartup.WindowMaximized) 
+            { 
+                Maximize(); 
+            }
+        }
+
+        private void SaveWindowSizePosition()
+        {
+            GetSize(out int windowWidth, out int windowHeight);
+            GetPosition(out int windowXPos, out int windowYPos);
+
+            ConfigurationState.Instance.Ui.WindowStartup.WindowMaximized.Value = IsMaximized;
+            ConfigurationState.Instance.Ui.WindowStartup.WindowSizeWidth.Value = windowWidth;
+            ConfigurationState.Instance.Ui.WindowStartup.WindowSizeHeight.Value = windowHeight;
+            ConfigurationState.Instance.Ui.WindowStartup.WindowPositionX.Value = windowXPos;
+            ConfigurationState.Instance.Ui.WindowStartup.WindowPositionY.Value = windowYPos;
+
+            SaveConfig();        
+        }
+
         private void StopEmulation_Pressed(object sender, EventArgs args)
         {
             if (_emulationContext != null)
@@ -1831,4 +1855,4 @@ namespace Ryujinx.Ui
             UpdateGameTable();
         }
     }
-}
+}