Fix Linux hang on shutdown (#4617)

* Rework StdErr-to-log redirection to use built-in FileStream, and do reads asynchronously to avoid hanging the process shutdown.

* set _disposable to false ASAP

.editorconfig

@@ -63,10 +63,6 @@ dotnet_code_quality_unused_parameters = all:suggestion
 
 #### C# Coding Conventions ####
 
-# Namespace preferences
-csharp_style_namespace_declarations = block_scoped:warning
-resharper_csharp_namespace_body = block_scoped
-
 # var preferences
 csharp_style_var_elsewhere = false:silent
 csharp_style_var_for_built_in_types = false:silent

.github/workflows/release.yml

@@ -112,6 +112,17 @@ jobs:
           repo: ${{ env.RYUJINX_TARGET_RELEASE_CHANNEL_REPO }}
           token: ${{ secrets.RELEASE_TOKEN }}
 
+      - name: Create tag
+        uses: actions/github-script@v5
+        with:
+          script: |
+            github.rest.git.createRef({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              ref: 'refs/tags/${{ steps.version_info.outputs.build_version }}',
+              sha: context.sha
+            })
+
   flatpak_release:
     uses: ./.github/workflows/flatpak.yml
     needs: release

ARMeilleure/CodeGen/X86/HardwareCapabilities.cs

@@ -34,6 +34,12 @@ namespace ARMeilleure.CodeGen.X86
 
         private static uint GetXcr0Eax()
         {
+            if (!FeatureInfo1Ecx.HasFlag(FeatureFlags1Ecx.Xsave))
+            {
+                // XSAVE feature required for xgetbv
+                return 0;
+            }
+
             ReadOnlySpan<byte> asmGetXcr0 = new byte[]
             {
                 0x31, 0xc9, // xor ecx, ecx
@@ -70,6 +76,7 @@ namespace ARMeilleure.CodeGen.X86
             Sse42 = 1 << 20,
             Popcnt = 1 << 23,
             Aes = 1 << 25,
+            Xsave = 1 << 26,
             Osxsave = 1 << 27,
             Avx = 1 << 28,
             F16c = 1 << 29
@@ -118,9 +125,9 @@ namespace ARMeilleure.CodeGen.X86
         public static bool SupportsSse42 => FeatureInfo1Ecx.HasFlag(FeatureFlags1Ecx.Sse42);
         public static bool SupportsPopcnt => FeatureInfo1Ecx.HasFlag(FeatureFlags1Ecx.Popcnt);
         public static bool SupportsAesni => FeatureInfo1Ecx.HasFlag(FeatureFlags1Ecx.Aes);
-        public static bool SupportsAvx => FeatureInfo1Ecx.HasFlag(FeatureFlags1Ecx.Avx | FeatureFlags1Ecx.Osxsave) && Xcr0InfoEax.HasFlag(Xcr0FlagsEax.Sse | Xcr0FlagsEax.YmmHi128);
+        public static bool SupportsAvx => FeatureInfo1Ecx.HasFlag(FeatureFlags1Ecx.Avx | FeatureFlags1Ecx.Xsave | FeatureFlags1Ecx.Osxsave) && Xcr0InfoEax.HasFlag(Xcr0FlagsEax.Sse | Xcr0FlagsEax.YmmHi128);
         public static bool SupportsAvx2 => FeatureInfo7Ebx.HasFlag(FeatureFlags7Ebx.Avx2) && SupportsAvx;
-        public static bool SupportsAvx512F => FeatureInfo7Ebx.HasFlag(FeatureFlags7Ebx.Avx512f) && FeatureInfo1Ecx.HasFlag(FeatureFlags1Ecx.Osxsave)
+        public static bool SupportsAvx512F => FeatureInfo7Ebx.HasFlag(FeatureFlags7Ebx.Avx512f) && FeatureInfo1Ecx.HasFlag(FeatureFlags1Ecx.Xsave | FeatureFlags1Ecx.Osxsave)
             && Xcr0InfoEax.HasFlag(Xcr0FlagsEax.Sse | Xcr0FlagsEax.YmmHi128 | Xcr0FlagsEax.Opmask | Xcr0FlagsEax.ZmmHi256 | Xcr0FlagsEax.Hi16Zmm);
         public static bool SupportsAvx512Vl => FeatureInfo7Ebx.HasFlag(FeatureFlags7Ebx.Avx512vl) && SupportsAvx512F;
         public static bool SupportsAvx512Bw => FeatureInfo7Ebx.HasFlag(FeatureFlags7Ebx.Avx512bw) && SupportsAvx512F;

ARMeilleure/Decoders/IOpCode32Exception.cs

@@ -1,7 +1,6 @@
-namespace ARMeilleure.Decoders
-{
+namespace ARMeilleure.Decoders;
+
 interface IOpCode32Exception
 {
     int Id { get; }
 }
-}

Directory.Packages.props

@@ -34,7 +34,7 @@
     <PackageVersion Include="Ryujinx.Graphics.Nvdec.Dependencies" Version="5.0.1-build13" />
     <PackageVersion Include="Ryujinx.Graphics.Vulkan.Dependencies.MoltenVK" Version="1.2.0" />
     <PackageVersion Include="Ryujinx.GtkSharp" Version="3.24.24.59-ryujinx" />
-    <PackageVersion Include="Ryujinx.SDL2-CS" Version="2.26.1-build23" />
+    <PackageVersion Include="Ryujinx.SDL2-CS" Version="2.26.3-build25" />
     <PackageVersion Include="shaderc.net" Version="0.1.0" />
     <PackageVersion Include="SharpZipLib" Version="1.4.2" />
     <PackageVersion Include="Silk.NET.Vulkan" Version="2.16.0" />

Ryujinx.Audio.Backends.SDL2/SDL2HardwareDeviceSession.cs

@@ -18,6 +18,7 @@ namespace Ryujinx.Audio.Backends.SDL2
         private ulong _playedSampleCount;
         private ManualResetEvent _updateRequiredEvent;
         private uint _outputStream;
+        private bool _hasSetupError;
         private SDL_AudioCallback _callbackDelegate;
         private int _bytesPerFrame;
         private uint _sampleCount;
@@ -42,7 +43,7 @@ namespace Ryujinx.Audio.Backends.SDL2
         private void EnsureAudioStreamSetup(AudioBuffer buffer)
         {
             uint bufferSampleCount = (uint)GetSampleCount(buffer);
-            bool needAudioSetup = _outputStream == 0 ||
+            bool needAudioSetup = (_outputStream == 0 && !_hasSetupError) ||
                 (bufferSampleCount >= Constants.TargetSampleCount && bufferSampleCount < _sampleCount);
 
             if (needAudioSetup)
@@ -51,12 +52,9 @@ namespace Ryujinx.Audio.Backends.SDL2
 
                 uint newOutputStream = SDL2HardwareDeviceDriver.OpenStream(RequestedSampleFormat, RequestedSampleRate, RequestedChannelCount, _sampleCount, _callbackDelegate);
 
-                if (newOutputStream == 0)
-                {
-                    // No stream in place, this is unexpected.
-                    throw new InvalidOperationException($"OpenStream failed with error: \"{SDL_GetError()}\"");
-                }
-                else
+                _hasSetupError = newOutputStream == 0;
+
+                if (!_hasSetupError)
                 {
                     if (_outputStream != 0)
                     {
@@ -151,12 +149,21 @@ namespace Ryujinx.Audio.Backends.SDL2
         {
             EnsureAudioStreamSetup(buffer);
 
+            if (_outputStream != 0)
+            {
                 SDL2AudioBuffer driverBuffer = new SDL2AudioBuffer(buffer.DataPointer, GetSampleCount(buffer));
 
                 _ringBuffer.Write(buffer.Data, 0, buffer.Data.Length);
 
                 _queuedBuffers.Enqueue(driverBuffer);
             }
+            else
+            {
+                Interlocked.Add(ref _playedSampleCount, GetSampleCount(buffer));
+
+                _updateRequiredEvent.Set();
+            }
+        }
 
         public override void SetVolume(float volume)
         {

Ryujinx.Ava/Common/Locale/LocaleManager.cs

@@ -130,7 +130,7 @@ namespace Ryujinx.Ava.Common.Locale
         {
             var    localeStrings = new Dictionary<LocaleKeys, string>();
             string languageJson  = EmbeddedResources.ReadAllText($"Ryujinx.Ava/Assets/Locales/{languageCode}.json");
-            var    strings       = JsonHelper.Deserialize(languageJson, CommonJsonContext.Default.StringDictionary);
+            var    strings       = JsonHelper.Deserialize<Dictionary<string, string>>(languageJson);
 
             foreach (var item in strings)
             {

Ryujinx.Ava/Modules/Updater/Updater.cs

@@ -4,14 +4,13 @@ using FluentAvalonia.UI.Controls;
 using ICSharpCode.SharpZipLib.GZip;
 using ICSharpCode.SharpZipLib.Tar;
 using ICSharpCode.SharpZipLib.Zip;
+using Newtonsoft.Json.Linq;
 using Ryujinx.Ava;
 using Ryujinx.Ava.Common.Locale;
 using Ryujinx.Ava.UI.Helpers;
 using Ryujinx.Common;
 using Ryujinx.Common.Logging;
-using Ryujinx.Common.Utilities;
 using Ryujinx.Ui.Common.Helper;
-using Ryujinx.Ui.Common.Models.Github;
 using System;
 using System.Collections.Generic;
 using System.Diagnostics;
@@ -32,7 +31,6 @@ namespace Ryujinx.Modules
     internal static class Updater
     {
         private const string GitHubApiURL = "https://api.github.com";
-        private static readonly GithubReleasesJsonSerializerContext SerializerContext = new(JsonHelper.GetDefaultSerializerOptions());
 
         private static readonly string HomeDir          = AppDomain.CurrentDomain.BaseDirectory;
         private static readonly string UpdateDir        = Path.Combine(Path.GetTempPath(), "Ryujinx", "update");
@@ -101,16 +99,22 @@ namespace Ryujinx.Modules
 
                 string  buildInfoURL = $"{GitHubApiURL}/repos/{ReleaseInformation.ReleaseChannelOwner}/{ReleaseInformation.ReleaseChannelRepo}/releases/latest";
                 string  fetchedJson  = await jsonClient.GetStringAsync(buildInfoURL);
-                var fetched = JsonHelper.Deserialize(fetchedJson, SerializerContext.GithubReleasesJsonResponse);
-                _buildVer = fetched.Name;
+                JObject jsonRoot     = JObject.Parse(fetchedJson);
+                JToken  assets       = jsonRoot["assets"];
 
-                foreach (var asset in fetched.Assets)
-                {
-                    if (asset.Name.StartsWith("test-ava-ryujinx") && asset.Name.EndsWith(_platformExt))
-                    {
-                        _buildUrl = asset.BrowserDownloadUrl;
+                _buildVer = (string)jsonRoot["name"];
 
-                        if (asset.State != "uploaded")
+                foreach (JToken asset in assets)
+                {
+                    string assetName   = (string)asset["name"];
+                    string assetState  = (string)asset["state"];
+                    string downloadURL = (string)asset["browser_download_url"];
+
+                    if (assetName.StartsWith("test-ava-ryujinx") && assetName.EndsWith(_platformExt))
+                    {
+                        _buildUrl = downloadURL;
+
+                        if (assetState != "uploaded")
                         {
                             if (showVersionUpToDate)
                             {

Ryujinx.Ava/UI/Models/Amiibo.cs

@@ -0,0 +1,72 @@
+using System;
+using System.Collections.Generic;
+using System.Text.Json.Serialization;
+
+namespace Ryujinx.Ava.UI.Models
+{
+    public class Amiibo
+    {
+        public struct AmiiboJson
+        {
+            [JsonPropertyName("amiibo")] public List<AmiiboApi> Amiibo { get; set; }
+            [JsonPropertyName("lastUpdated")] public DateTime LastUpdated { get; set; }
+        }
+
+        public struct AmiiboApi
+        {
+            [JsonPropertyName("name")] public string Name { get; set; }
+            [JsonPropertyName("head")] public string Head { get; set; }
+            [JsonPropertyName("tail")] public string Tail { get; set; }
+            [JsonPropertyName("image")] public string Image { get; set; }
+            [JsonPropertyName("amiiboSeries")] public string AmiiboSeries { get; set; }
+            [JsonPropertyName("character")] public string Character { get; set; }
+            [JsonPropertyName("gameSeries")] public string GameSeries { get; set; }
+            [JsonPropertyName("type")] public string Type { get; set; }
+
+            [JsonPropertyName("release")] public Dictionary<string, string> Release { get; set; }
+
+            [JsonPropertyName("gamesSwitch")] public List<AmiiboApiGamesSwitch> GamesSwitch { get; set; }
+
+            public override string ToString()
+            {
+                return Name;
+            }
+
+            public string GetId()
+            {
+                return Head + Tail;
+            }
+
+            public override bool Equals(object obj)
+            {
+                if (obj is AmiiboApi amiibo)
+                {
+                    return amiibo.Head + amiibo.Tail == Head + Tail;
+                }
+
+                return false;
+            }
+
+            public override int GetHashCode()
+            {
+                return base.GetHashCode();
+            }
+        }
+
+        public class AmiiboApiGamesSwitch
+        {
+            [JsonPropertyName("amiiboUsage")] public List<AmiiboApiUsage> AmiiboUsage { get; set; }
+
+            [JsonPropertyName("gameID")] public List<string> GameId { get; set; }
+
+            [JsonPropertyName("gameName")] public string GameName { get; set; }
+        }
+
+        public class AmiiboApiUsage
+        {
+            [JsonPropertyName("Usage")] public string Usage { get; set; }
+
+            [JsonPropertyName("write")] public bool Write { get; set; }
+        }
+    }
+}

Ryujinx.Ava/UI/ViewModels/AboutWindowViewModel.cs

@@ -122,7 +122,7 @@ namespace Ryujinx.Ava.UI.ViewModels
             {
                 string patreonJsonString = await httpClient.GetStringAsync("https://patreon.ryujinx.org/");
 
-                Supporters = string.Join(", ", JsonHelper.Deserialize(patreonJsonString, CommonJsonContext.Default.StringArray) + "\n\n");
+                Supporters = string.Join(", ", JsonHelper.Deserialize<string[]>(patreonJsonString)) + "\n\n";
             }
             catch
             {

Ryujinx.Ava/UI/ViewModels/AmiiboWindowViewModel.cs

@@ -4,11 +4,11 @@ using Avalonia.Media.Imaging;
 using Avalonia.Threading;
 using Ryujinx.Ava.Common.Locale;
 using Ryujinx.Ava.UI.Helpers;
+using Ryujinx.Ava.UI.Models;
 using Ryujinx.Ava.UI.Windows;
 using Ryujinx.Common;
 using Ryujinx.Common.Configuration;
 using Ryujinx.Common.Utilities;
-using Ryujinx.Ui.Common.Models.Amiibo;
 using System;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
@@ -17,7 +17,6 @@ using System.Linq;
 using System.Net.Http;
 using System.Text;
 using System.Threading.Tasks;
-using AmiiboJsonSerializerContext = Ryujinx.Ui.Common.Models.Amiibo.AmiiboJsonSerializerContext;
 
 namespace Ryujinx.Ava.UI.ViewModels
 {
@@ -32,8 +31,8 @@ namespace Ryujinx.Ava.UI.ViewModels
         private readonly StyleableWindow _owner;
 
         private Bitmap _amiiboImage;
-        private List<AmiiboApi> _amiiboList;
-        private AvaloniaList<AmiiboApi> _amiibos;
+        private List<Amiibo.AmiiboApi> _amiiboList;
+        private AvaloniaList<Amiibo.AmiiboApi> _amiibos;
         private ObservableCollection<string> _amiiboSeries;
 
         private int _amiiboSelectedIndex;
@@ -43,8 +42,6 @@ namespace Ryujinx.Ava.UI.ViewModels
         private bool _useRandomUuid;
         private string _usage;
 
-        private static readonly AmiiboJsonSerializerContext SerializerContext = new(JsonHelper.GetDefaultSerializerOptions());
-
         public AmiiboWindowViewModel(StyleableWindow owner, string lastScannedAmiiboId, string titleId)
         {
             _owner = owner;
@@ -55,9 +52,9 @@ namespace Ryujinx.Ava.UI.ViewModels
             Directory.CreateDirectory(Path.Join(AppDataManager.BaseDirPath, "system", "amiibo"));
 
             _amiiboJsonPath = Path.Join(AppDataManager.BaseDirPath, "system", "amiibo", "Amiibo.json");
-            _amiiboList = new List<AmiiboApi>();
+            _amiiboList = new List<Amiibo.AmiiboApi>();
             _amiiboSeries = new ObservableCollection<string>();
-            _amiibos = new AvaloniaList<AmiiboApi>();
+            _amiibos = new AvaloniaList<Amiibo.AmiiboApi>();
 
             _amiiboLogoBytes = EmbeddedResources.Read("Ryujinx.Ui.Common/Resources/Logo_Amiibo.png");
 
@@ -97,7 +94,7 @@ namespace Ryujinx.Ava.UI.ViewModels
             }
         }
 
-        public AvaloniaList<AmiiboApi> AmiiboList
+        public AvaloniaList<Amiibo.AmiiboApi> AmiiboList
         {
             get => _amiibos;
             set
@@ -190,9 +187,9 @@ namespace Ryujinx.Ava.UI.ViewModels
 
             if (File.Exists(_amiiboJsonPath))
             {
-                amiiboJsonString = await File.ReadAllTextAsync(_amiiboJsonPath);
+                amiiboJsonString = File.ReadAllText(_amiiboJsonPath);
 
-                if (await NeedsUpdate(JsonHelper.Deserialize(amiiboJsonString, SerializerContext.AmiiboJson).LastUpdated))
+                if (await NeedsUpdate(JsonHelper.Deserialize<Amiibo.AmiiboJson>(amiiboJsonString).LastUpdated))
                 {
                     amiiboJsonString = await DownloadAmiiboJson();
                 }
@@ -209,7 +206,7 @@ namespace Ryujinx.Ava.UI.ViewModels
                 }
             }
 
-            _amiiboList = JsonHelper.Deserialize(amiiboJsonString, SerializerContext.AmiiboJson).Amiibo;
+            _amiiboList = JsonHelper.Deserialize<Amiibo.AmiiboJson>(amiiboJsonString).Amiibo;
             _amiiboList = _amiiboList.OrderBy(amiibo => amiibo.AmiiboSeries).ToList();
 
             ParseAmiiboData();
@@ -226,7 +223,7 @@ namespace Ryujinx.Ava.UI.ViewModels
                 {
                     if (!ShowAllAmiibo)
                     {
-                        foreach (AmiiboApiGamesSwitch game in _amiiboList[i].GamesSwitch)
+                        foreach (Amiibo.AmiiboApiGamesSwitch game in _amiiboList[i].GamesSwitch)
                         {
                             if (game != null)
                             {
@@ -258,7 +255,7 @@ namespace Ryujinx.Ava.UI.ViewModels
 
         private void SelectLastScannedAmiibo()
         {
-            AmiiboApi scanned = _amiiboList.FirstOrDefault(amiibo => amiibo.GetId() == LastScannedAmiiboId);
+            Amiibo.AmiiboApi scanned = _amiiboList.FirstOrDefault(amiibo => amiibo.GetId() == LastScannedAmiiboId);
 
             SeriesSelectedIndex = AmiiboSeries.IndexOf(scanned.AmiiboSeries);
             AmiiboSelectedIndex = AmiiboList.IndexOf(scanned);
@@ -273,7 +270,7 @@ namespace Ryujinx.Ava.UI.ViewModels
                 return;
             }
 
-            List<AmiiboApi> amiiboSortedList = _amiiboList
+            List<Amiibo.AmiiboApi> amiiboSortedList = _amiiboList
                 .Where(amiibo => amiibo.AmiiboSeries == _amiiboSeries[SeriesSelectedIndex])
                 .OrderBy(amiibo => amiibo.Name).ToList();
 
@@ -283,7 +280,7 @@ namespace Ryujinx.Ava.UI.ViewModels
                 {
                     if (!_showAllAmiibo)
                     {
-                        foreach (AmiiboApiGamesSwitch game in amiiboSortedList[i].GamesSwitch)
+                        foreach (Amiibo.AmiiboApiGamesSwitch game in amiiboSortedList[i].GamesSwitch)
                         {
                             if (game != null)
                             {
@@ -317,7 +314,7 @@ namespace Ryujinx.Ava.UI.ViewModels
                 return;
             }
 
-            AmiiboApi selected = _amiibos[_amiiboSelectedIndex];
+            Amiibo.AmiiboApi selected = _amiibos[_amiiboSelectedIndex];
 
             string imageUrl = _amiiboList.FirstOrDefault(amiibo => amiibo.Equals(selected)).Image;
 
@@ -329,11 +326,11 @@ namespace Ryujinx.Ava.UI.ViewModels
                 {
                     bool writable = false;
 
-                    foreach (AmiiboApiGamesSwitch item in _amiiboList[i].GamesSwitch)
+                    foreach (Amiibo.AmiiboApiGamesSwitch item in _amiiboList[i].GamesSwitch)
                     {
                         if (item.GameId.Contains(TitleId))
                         {
-                            foreach (AmiiboApiUsage usageItem in item.AmiiboUsage)
+                            foreach (Amiibo.AmiiboApiUsage usageItem in item.AmiiboUsage)
                             {
                                 usageString += Environment.NewLine +
                                                $"- {usageItem.Usage.Replace("/", Environment.NewLine + "-")}";

Ryujinx.Ava/UI/ViewModels/ControllerSettingsViewModel.cs

@@ -51,8 +51,6 @@ namespace Ryujinx.Ava.UI.ViewModels
         private bool _isLoaded;
         private readonly UserControl _owner;
 
-        private static readonly InputConfigJsonSerializerContext SerializerContext = new(JsonHelper.GetDefaultSerializerOptions());
-
         public IGamepadDriver AvaloniaKeyboardDriver { get; }
         public IGamepad SelectedGamepad { get; private set; }
 
@@ -708,7 +706,10 @@ namespace Ryujinx.Ava.UI.ViewModels
 
                 try
                 {
-                    config = JsonHelper.DeserializeFromFile(path, SerializerContext.InputConfig);
+                    using (Stream stream = File.OpenRead(path))
+                    {
+                        config = JsonHelper.Deserialize<InputConfig>(stream);
+                    }
                 }
                 catch (JsonException) { }
                 catch (InvalidOperationException)
@@ -774,7 +775,7 @@ namespace Ryujinx.Ava.UI.ViewModels
 
                     config.ControllerType = Controllers[_controller].Type;
 
-                    string jsonString = JsonHelper.Serialize(config, SerializerContext.InputConfig);
+                    string jsonString = JsonHelper.Serialize(config, true);
 
                     await File.WriteAllTextAsync(path, jsonString);
 

Ryujinx.Ava/UI/ViewModels/DownloadableContentManagerViewModel.cs

@@ -21,6 +21,7 @@ using System;
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
+using System.Text;
 using System.Threading.Tasks;
 using Path = System.IO.Path;
 
@@ -40,8 +41,6 @@ namespace Ryujinx.Ava.UI.ViewModels
         private ulong _titleId;
         private string _titleName;
 
-        private static readonly DownloadableContentJsonSerializerContext SerializerContext = new(JsonHelper.GetDefaultSerializerOptions());
-
         public AvaloniaList<DownloadableContentModel> DownloadableContents
         {
             get => _downloadableContents;
@@ -101,7 +100,7 @@ namespace Ryujinx.Ava.UI.ViewModels
 
             try
             {
-                _downloadableContentContainerList = JsonHelper.DeserializeFromFile(_downloadableContentJsonPath, SerializerContext.ListDownloadableContentContainer);
+                _downloadableContentContainerList = JsonHelper.DeserializeFromFile<List<DownloadableContentContainer>>(_downloadableContentJsonPath);
             }
             catch
             {
@@ -331,7 +330,10 @@ namespace Ryujinx.Ava.UI.ViewModels
                 _downloadableContentContainerList.Add(container);
             }
 
-            JsonHelper.SerializeToFile(_downloadableContentJsonPath, _downloadableContentContainerList, SerializerContext.ListDownloadableContentContainer);
+            using (FileStream downloadableContentJsonStream = File.Create(_downloadableContentJsonPath, 4096, FileOptions.WriteThrough))
+            {
+                downloadableContentJsonStream.Write(Encoding.UTF8.GetBytes(JsonHelper.Serialize(_downloadableContentContainerList, true)));
+            }
         }
 
     }

Ryujinx.Ava/UI/ViewModels/TitleUpdateViewModel.cs

@@ -25,8 +25,8 @@ using System.Text;
 using Path = System.IO.Path;
 using SpanHelpers = LibHac.Common.SpanHelpers;
 
-namespace Ryujinx.Ava.UI.ViewModels
-{
+namespace Ryujinx.Ava.UI.ViewModels;
+
 public class TitleUpdateViewModel : BaseModel
 {
     public TitleUpdateMetadata _titleUpdateWindowData;
@@ -39,8 +39,6 @@ namespace Ryujinx.Ava.UI.ViewModels
     private AvaloniaList<object> _views = new();
     private object _selectedUpdate;
 
-        private static readonly TitleUpdateMetadataJsonSerializerContext SerializerContext = new(JsonHelper.GetDefaultSerializerOptions());
-
     public AvaloniaList<TitleUpdateModel> TitleUpdates
     {
         get => _titleUpdates;
@@ -82,7 +80,7 @@ namespace Ryujinx.Ava.UI.ViewModels
 
         try
         {
-                _titleUpdateWindowData = JsonHelper.DeserializeFromFile(_titleUpdateJsonPath, SerializerContext.TitleUpdateMetadata);
+            _titleUpdateWindowData = JsonHelper.DeserializeFromFile<TitleUpdateMetadata>(_titleUpdateJsonPath);
         }
         catch
         {
@@ -113,6 +111,7 @@ namespace Ryujinx.Ava.UI.ViewModels
 
         // NOTE: Save the list again to remove leftovers.
         Save();
+
         SortUpdates();
     }
 
@@ -246,7 +245,6 @@ namespace Ryujinx.Ava.UI.ViewModels
             }
         }
 
-            JsonHelper.SerializeToFile(_titleUpdateJsonPath, _titleUpdateWindowData, SerializerContext.TitleUpdateMetadata);
-        }
+        File.WriteAllBytes(_titleUpdateJsonPath, Encoding.UTF8.GetBytes(JsonHelper.Serialize(_titleUpdateWindowData, true)));
     }
 }

Ryujinx.Ava/UI/Views/Main/MainMenuBarView.axaml.cs

@@ -42,7 +42,7 @@ namespace Ryujinx.Ava.UI.Views.Main
             {
                 string languageCode = Path.GetFileNameWithoutExtension(locale).Split('.').Last();
                 string languageJson = EmbeddedResources.ReadAllText($"{localePath}/{languageCode}{localeExt}");
-                var    strings      = JsonHelper.Deserialize(languageJson, CommonJsonContext.Default.StringDictionary);
+                var    strings      = JsonHelper.Deserialize<Dictionary<string, string>>(languageJson);
 
                 if (!strings.TryGetValue("Language", out string languageName))
                 {

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

@@ -1,7 +1,7 @@
 using Avalonia.Interactivity;
 using Ryujinx.Ava.Common.Locale;
+using Ryujinx.Ava.UI.Models;
 using Ryujinx.Ava.UI.ViewModels;
-using Ryujinx.Ui.Common.Models.Amiibo;
 
 namespace Ryujinx.Ava.UI.Windows
 {
@@ -35,14 +35,14 @@ namespace Ryujinx.Ava.UI.Windows
         }
 
         public bool IsScanned { get; set; }
-        public AmiiboApi ScannedAmiibo { get; set; }
+        public Amiibo.AmiiboApi ScannedAmiibo { get; set; }
         public AmiiboWindowViewModel ViewModel { get; set; }
 
         private void ScanButton_Click(object sender, RoutedEventArgs e)
         {
             if (ViewModel.AmiiboSelectedIndex > -1)
             {
-                AmiiboApi amiibo = ViewModel.AmiiboList[ViewModel.AmiiboSelectedIndex];
+                Amiibo.AmiiboApi amiibo = ViewModel.AmiiboList[ViewModel.AmiiboSelectedIndex];
                 ScannedAmiibo = amiibo;
                 IsScanned = true;
                 Close();

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

@@ -6,8 +6,11 @@ using Ryujinx.Ava.Common.Locale;
 using Ryujinx.Ava.UI.Helpers;
 using Ryujinx.Ava.UI.Models;
 using Ryujinx.Ava.UI.ViewModels;
+using Ryujinx.Common.Utilities;
 using Ryujinx.HLE.FileSystem;
 using Ryujinx.Ui.Common.Helper;
+using System.IO;
+using System.Text;
 using System.Threading.Tasks;
 using Button = Avalonia.Controls.Button;
 

Ryujinx.Common/Configuration/AspectRatioExtensions.cs

@@ -1,9 +1,5 @@
-using Ryujinx.Common.Utilities;
-using System.Text.Json.Serialization;
-
-namespace Ryujinx.Common.Configuration
+namespace Ryujinx.Common.Configuration
 {
-    [JsonConverter(typeof(TypedStringEnumConverter<AspectRatio>))]
     public enum AspectRatio
     {
         Fixed4x3,

Ryujinx.Common/Configuration/BackendThreading.cs

@@ -1,9 +1,5 @@
-using Ryujinx.Common.Utilities;
-using System.Text.Json.Serialization;
-
-namespace Ryujinx.Common.Configuration
+namespace Ryujinx.Common.Configuration
 {
-    [JsonConverter(typeof(TypedStringEnumConverter<BackendThreading>))]
     public enum BackendThreading
     {
         Auto,

Ryujinx.Common/Configuration/DownloadableContentJsonSerializerContext.cs

@@ -1,11 +0,0 @@
-using System.Collections.Generic;
-using System.Text.Json.Serialization;
-
-namespace Ryujinx.Common.Configuration
-{
-    [JsonSourceGenerationOptions(WriteIndented = true)]
-    [JsonSerializable(typeof(List<DownloadableContentContainer>))]
-    public partial class DownloadableContentJsonSerializerContext : JsonSerializerContext
-    {
-    }
-}

Ryujinx.Common/Configuration/GraphicsBackend.cs

@@ -1,9 +1,5 @@
-using Ryujinx.Common.Utilities;
-using System.Text.Json.Serialization;
-
-namespace Ryujinx.Common.Configuration
+namespace Ryujinx.Common.Configuration
 {
-    [JsonConverter(typeof(TypedStringEnumConverter<GraphicsBackend>))]
     public enum GraphicsBackend
     {
         Vulkan,

Ryujinx.Common/Configuration/GraphicsDebugLevel.cs

@@ -1,9 +1,5 @@
-using Ryujinx.Common.Utilities;
-using System.Text.Json.Serialization;
-
 namespace Ryujinx.Common.Configuration
 {
-    [JsonConverter(typeof(TypedStringEnumConverter<GraphicsDebugLevel>))]
     public enum GraphicsDebugLevel
     {
         None,

Ryujinx.Common/Configuration/Hid/Controller/Motion/JsonMotionConfigControllerConverter.cs

@@ -1,5 +1,4 @@
-using Ryujinx.Common.Utilities;
-using System;
+using System;
 using System.Text.Json;
 using System.Text.Json.Serialization;
 
@@ -7,8 +6,6 @@ namespace Ryujinx.Common.Configuration.Hid.Controller.Motion
 {
     class JsonMotionConfigControllerConverter : JsonConverter<MotionConfigController>
     {
-        private static readonly MotionConfigJsonSerializerContext SerializerContext = new(JsonHelper.GetDefaultSerializerOptions());
-
         private static MotionInputBackendType GetMotionInputBackendType(ref Utf8JsonReader reader)
         {
             // Temporary reader to get the backend type
@@ -55,8 +52,8 @@ namespace Ryujinx.Common.Configuration.Hid.Controller.Motion
 
             return motionBackendType switch
             {
-                MotionInputBackendType.GamepadDriver => JsonSerializer.Deserialize(ref reader, SerializerContext.StandardMotionConfigController),
-                MotionInputBackendType.CemuHook => JsonSerializer.Deserialize(ref reader, SerializerContext.CemuHookMotionConfigController),
+                MotionInputBackendType.GamepadDriver => (MotionConfigController)JsonSerializer.Deserialize(ref reader, typeof(StandardMotionConfigController), options),
+                MotionInputBackendType.CemuHook => (MotionConfigController)JsonSerializer.Deserialize(ref reader, typeof(CemuHookMotionConfigController), options),
                 _ => throw new InvalidOperationException($"Unknown backend type {motionBackendType}"),
             };
         }
@@ -66,10 +63,10 @@ namespace Ryujinx.Common.Configuration.Hid.Controller.Motion
             switch (value.MotionBackend)
             {
                 case MotionInputBackendType.GamepadDriver:
-                    JsonSerializer.Serialize(writer, value as StandardMotionConfigController, SerializerContext.StandardMotionConfigController);
+                    JsonSerializer.Serialize(writer, value as StandardMotionConfigController, options);
                     break;
                 case MotionInputBackendType.CemuHook:
-                    JsonSerializer.Serialize(writer, value as CemuHookMotionConfigController, SerializerContext.CemuHookMotionConfigController);
+                    JsonSerializer.Serialize(writer, value as CemuHookMotionConfigController, options);
                     break;
                 default:
                     throw new ArgumentException($"Unknown motion backend type {value.MotionBackend}");

Ryujinx.Common/Configuration/Hid/Controller/Motion/MotionConfigController.cs

@@ -1,8 +1,5 @@
-using System.Text.Json.Serialization;
-
-namespace Ryujinx.Common.Configuration.Hid.Controller.Motion
+namespace Ryujinx.Common.Configuration.Hid.Controller.Motion
 {
-    [JsonConverter(typeof(JsonMotionConfigControllerConverter))]
     public class MotionConfigController
     {
         public MotionInputBackendType MotionBackend { get; set; }

Ryujinx.Common/Configuration/Hid/Controller/Motion/MotionConfigJsonSerializerContext.cs

@@ -1,12 +0,0 @@
-using System.Text.Json.Serialization;
-
-namespace Ryujinx.Common.Configuration.Hid.Controller.Motion
-{
-    [JsonSourceGenerationOptions(WriteIndented = true)]
-    [JsonSerializable(typeof(MotionConfigController))]
-    [JsonSerializable(typeof(CemuHookMotionConfigController))]
-    [JsonSerializable(typeof(StandardMotionConfigController))]
-    public partial class MotionConfigJsonSerializerContext : JsonSerializerContext
-    {
-    }
-}

Ryujinx.Common/Configuration/Hid/Controller/Motion/MotionInputBackendType.cs

@@ -1,9 +1,5 @@
-using Ryujinx.Common.Utilities;
-using System.Text.Json.Serialization;
-
-namespace Ryujinx.Common.Configuration.Hid.Controller.Motion
+namespace Ryujinx.Common.Configuration.Hid.Controller.Motion
 {
-    [JsonConverter(typeof(TypedStringEnumConverter<MotionInputBackendType>))]
     public enum MotionInputBackendType : byte
     {
         Invalid,

Ryujinx.Common/Configuration/Hid/ControllerType.cs

@@ -1,12 +1,9 @@
-using Ryujinx.Common.Utilities;
 using System;
-using System.Text.Json.Serialization;
 
 namespace Ryujinx.Common.Configuration.Hid
 {
-    // This enum was duplicated from Ryujinx.HLE.HOS.Services.Hid.PlayerIndex and should be kept identical
     [Flags]
-    [JsonConverter(typeof(TypedStringEnumConverter<ControllerType>))]
+    // This enum was duplicated from Ryujinx.HLE.HOS.Services.Hid.PlayerIndex and should be kept identical
     public enum ControllerType : int
     {
         None,

Ryujinx.Common/Configuration/Hid/InputBackendType.cs

@@ -1,9 +1,5 @@
-using Ryujinx.Common.Utilities;
-using System.Text.Json.Serialization;
-
-namespace Ryujinx.Common.Configuration.Hid
+namespace Ryujinx.Common.Configuration.Hid
 {
-    [JsonConverter(typeof(TypedStringEnumConverter<InputBackendType>))]
     public enum InputBackendType
     {
         Invalid,

Ryujinx.Common/Configuration/Hid/InputConfig.cs

@@ -1,10 +1,8 @@
 using System.ComponentModel;
 using System.Runtime.CompilerServices;
-using System.Text.Json.Serialization;
 
 namespace Ryujinx.Common.Configuration.Hid
 {
-    [JsonConverter(typeof(JsonInputConfigConverter))]
     public class InputConfig : INotifyPropertyChanged
     {
         /// <summary>

Ryujinx.Common/Configuration/Hid/InputConfigJsonSerializerContext.cs

@@ -1,14 +0,0 @@
-using Ryujinx.Common.Configuration.Hid.Controller;
-using Ryujinx.Common.Configuration.Hid.Keyboard;
-using System.Text.Json.Serialization;
-
-namespace Ryujinx.Common.Configuration.Hid
-{
-    [JsonSourceGenerationOptions(WriteIndented = true)]
-    [JsonSerializable(typeof(InputConfig))]
-    [JsonSerializable(typeof(StandardKeyboardInputConfig))]
-    [JsonSerializable(typeof(StandardControllerInputConfig))]
-    public partial class InputConfigJsonSerializerContext : JsonSerializerContext
-    {
-    }
-}

Ryujinx.Common/Configuration/Hid/JsonInputConfigConverter.cs

@@ -1,16 +1,13 @@
 using Ryujinx.Common.Configuration.Hid.Controller;
 using Ryujinx.Common.Configuration.Hid.Keyboard;
-using Ryujinx.Common.Utilities;
 using System;
 using System.Text.Json;
 using System.Text.Json.Serialization;
 
 namespace Ryujinx.Common.Configuration.Hid
 {
-    public class JsonInputConfigConverter : JsonConverter<InputConfig>
+    class JsonInputConfigConverter : JsonConverter<InputConfig>
     {
-        private static readonly InputConfigJsonSerializerContext SerializerContext = new(JsonHelper.GetDefaultSerializerOptions());
-
         private static InputBackendType GetInputBackendType(ref Utf8JsonReader reader)
         {
             // Temporary reader to get the backend type
@@ -57,8 +54,8 @@ namespace Ryujinx.Common.Configuration.Hid
 
             return backendType switch
             {
-                InputBackendType.WindowKeyboard => JsonSerializer.Deserialize(ref reader, SerializerContext.StandardKeyboardInputConfig),
-                InputBackendType.GamepadSDL2 => JsonSerializer.Deserialize(ref reader, SerializerContext.StandardControllerInputConfig),
+                InputBackendType.WindowKeyboard => (InputConfig)JsonSerializer.Deserialize(ref reader, typeof(StandardKeyboardInputConfig), options),
+                InputBackendType.GamepadSDL2 => (InputConfig)JsonSerializer.Deserialize(ref reader, typeof(StandardControllerInputConfig), options),
                 _ => throw new InvalidOperationException($"Unknown backend type {backendType}"),
             };
         }
@@ -68,10 +65,10 @@ namespace Ryujinx.Common.Configuration.Hid
             switch (value.Backend)
             {
                 case InputBackendType.WindowKeyboard:
-                    JsonSerializer.Serialize(writer, value as StandardKeyboardInputConfig, SerializerContext.StandardKeyboardInputConfig);
+                    JsonSerializer.Serialize(writer, value as StandardKeyboardInputConfig, options);
                     break;
                 case InputBackendType.GamepadSDL2:
-                    JsonSerializer.Serialize(writer, value as StandardControllerInputConfig, SerializerContext.StandardControllerInputConfig);
+                    JsonSerializer.Serialize(writer, value as StandardControllerInputConfig, options);
                     break;
                 default:
                     throw new ArgumentException($"Unknown backend type {value.Backend}");

Ryujinx.Common/Configuration/Hid/PlayerIndex.cs

@@ -1,10 +1,6 @@
-using Ryujinx.Common.Utilities;
-using System.Text.Json.Serialization;
-
 namespace Ryujinx.Common.Configuration.Hid
 {
     // This enum was duplicated from Ryujinx.HLE.HOS.Services.Hid.PlayerIndex and should be kept identical
-    [JsonConverter(typeof(TypedStringEnumConverter<PlayerIndex>))]
     public enum PlayerIndex : int
     {
         Player1  = 0,

Ryujinx.Common/Configuration/MemoryManagerMode.cs

@@ -1,9 +1,5 @@
-using Ryujinx.Common.Utilities;
-using System.Text.Json.Serialization;
-
-namespace Ryujinx.Common.Configuration
+namespace Ryujinx.Common.Configuration
 {
-    [JsonConverter(typeof(TypedStringEnumConverter<MemoryManagerMode>))]
     public enum MemoryManagerMode : byte
     {
         SoftwarePageTable,

Ryujinx.Common/Configuration/TitleUpdateMetadataJsonSerializerContext.cs

@@ -1,10 +0,0 @@
-using System.Text.Json.Serialization;
-
-namespace Ryujinx.Common.Configuration
-{
-    [JsonSourceGenerationOptions(WriteIndented = true)]
-    [JsonSerializable(typeof(TitleUpdateMetadata))]
-    public partial class TitleUpdateMetadataJsonSerializerContext : JsonSerializerContext
-    {
-    }
-}

Ryujinx.Common/Logging/Formatters/DefaultLogFormatter.cs

@@ -1,20 +1,22 @@
-using System.Text;
+using System;
+using System.Reflection;
+using System.Text;
 
 namespace Ryujinx.Common.Logging
 {
     internal class DefaultLogFormatter : ILogFormatter
     {
-        private static readonly ObjectPool<StringBuilder> StringBuilderPool = SharedPools.Default<StringBuilder>();
+        private static readonly ObjectPool<StringBuilder> _stringBuilderPool = SharedPools.Default<StringBuilder>();
 
         public string Format(LogEventArgs args)
         {
-            StringBuilder sb = StringBuilderPool.Allocate();
+            StringBuilder sb = _stringBuilderPool.Allocate();
 
             try
             {
                 sb.Clear();
 
-                sb.Append($@"{args.Time:hh\:mm\:ss\.fff}");
+                sb.AppendFormat(@"{0:hh\:mm\:ss\.fff}", args.Time);
                 sb.Append($" |{args.Level.ToString()[0]}| ");
 
                 if (args.ThreadName != null)
@@ -25,17 +27,53 @@ namespace Ryujinx.Common.Logging
 
                 sb.Append(args.Message);
 
-                if (args.Data is not null)
+                if (args.Data != null)
                 {
-                    sb.Append(' ');
-                    DynamicObjectFormatter.Format(sb, args.Data);
+                    PropertyInfo[] props = args.Data.GetType().GetProperties();
+
+                    sb.Append(" {");
+
+                    foreach (var prop in props)
+                    {
+                        sb.Append(prop.Name);
+                        sb.Append(": ");
+
+                        if (typeof(Array).IsAssignableFrom(prop.PropertyType))
+                        {
+                            Array array = (Array)prop.GetValue(args.Data);
+                            foreach (var item in array)
+                            {
+                                sb.Append(item.ToString());
+                                sb.Append(", ");
+                            }
+
+                            if (array.Length > 0)
+                            {
+                                sb.Remove(sb.Length - 2, 2);
+                            }
+                        }
+                        else
+                        {
+                            sb.Append(prop.GetValue(args.Data));
+                        }
+
+                        sb.Append(" ; ");
+                    }
+
+                    // We remove the final ';' from the string
+                    if (props.Length > 0)
+                    {
+                        sb.Remove(sb.Length - 3, 3);
+                    }
+
+                    sb.Append('}');
                 }
 
                 return sb.ToString();
             }
             finally
             {
-                StringBuilderPool.Release(sb);
+                _stringBuilderPool.Release(sb);
             }
         }
     }

Ryujinx.Common/Logging/Formatters/DynamicObjectFormatter.cs

@@ -1,84 +0,0 @@
-#nullable enable
-using System;
-using System.Reflection;
-using System.Text;
-
-namespace Ryujinx.Common.Logging
-{
-    internal class DynamicObjectFormatter
-    {
-        private static readonly ObjectPool<StringBuilder> StringBuilderPool = SharedPools.Default<StringBuilder>();
-
-        public static string? Format(object? dynamicObject)
-        {
-            if (dynamicObject is null)
-            {
-                return null;
-            }
-
-            StringBuilder sb = StringBuilderPool.Allocate();
-            
-            try
-            {
-                Format(sb, dynamicObject);
-
-                return sb.ToString();
-            }
-            finally
-            {
-                StringBuilderPool.Release(sb);
-            }
-        }
-
-        public static void Format(StringBuilder sb, object? dynamicObject)
-        {
-            if (dynamicObject is null)
-            {
-                return;
-            }
-
-            PropertyInfo[] props = dynamicObject.GetType().GetProperties();
-
-            sb.Append('{');
-
-            foreach (var prop in props)
-            {
-                sb.Append(prop.Name);
-                sb.Append(": ");
-
-                if (typeof(Array).IsAssignableFrom(prop.PropertyType))
-                {
-                    Array? array = (Array?) prop.GetValue(dynamicObject);
-
-                    if (array is not null)
-                    {
-                        foreach (var item in array)
-                        {
-                            sb.Append(item);
-                            sb.Append(", ");
-                        }
-
-                        if (array.Length > 0)
-                        {
-                            sb.Remove(sb.Length - 2, 2);
-                        }
-                    }
-                }
-                else
-                {
-                    sb.Append(prop.GetValue(dynamicObject));
-                }
-
-                sb.Append(" ; ");
-            }
-
-            // We remove the final ';' from the string
-            if (props.Length > 0)
-            {
-                sb.Remove(sb.Length - 3, 3);
-            }
-
-            sb.Append('}');
-        }
-    }
-}

Ryujinx.Common/Logging/LogClass.cs

@@ -1,9 +1,5 @@
-using Ryujinx.Common.Utilities;
-using System.Text.Json.Serialization;
-
 namespace Ryujinx.Common.Logging
 {
-    [JsonConverter(typeof(TypedStringEnumConverter<LogClass>))]
     public enum LogClass
     {
         Application,

Ryujinx.Common/Logging/LogEventArgs.cs

@@ -11,7 +11,15 @@ namespace Ryujinx.Common.Logging
         public readonly string Message;
         public readonly object Data;
 
-        public LogEventArgs(LogLevel level, TimeSpan time, string threadName, string message, object data = null)
+        public LogEventArgs(LogLevel level, TimeSpan time, string threadName, string message)
+        {
+            Level      = level;
+            Time       = time;
+            ThreadName = threadName;
+            Message    = message;
+        }
+
+        public LogEventArgs(LogLevel level, TimeSpan time, string threadName, string message, object data)
         {
             Level      = level;
             Time       = time;

Ryujinx.Common/Logging/LogEventArgsJson.cs

@@ -1,30 +0,0 @@
-using System;
-using System.Text.Json.Serialization;
-
-namespace Ryujinx.Common.Logging
-{
-    internal class LogEventArgsJson
-    {
-        public LogLevel Level { get; }
-        public TimeSpan Time { get; }
-        public string   ThreadName { get; }
-
-        public string Message { get; }
-        public string Data { get; }
-
-        [JsonConstructor]
-        public LogEventArgsJson(LogLevel level, TimeSpan time, string threadName, string message, string data = null)
-        {
-            Level      = level;
-            Time       = time;
-            ThreadName = threadName;
-            Message    = message;
-            Data       = data;
-        }
-
-        public static LogEventArgsJson FromLogEventArgs(LogEventArgs args)
-        {
-            return new LogEventArgsJson(args.Level, args.Time, args.ThreadName, args.Message, DynamicObjectFormatter.Format(args.Data));
-        }
-    }
-}

Ryujinx.Common/Logging/LogEventJsonSerializerContext.cs

@@ -1,9 +0,0 @@
-using System.Text.Json.Serialization;
-
-namespace Ryujinx.Common.Logging
-{
-    [JsonSerializable(typeof(LogEventArgsJson))]
-    internal partial class LogEventJsonSerializerContext : JsonSerializerContext
-    {
-    }
-}

Ryujinx.Common/Logging/LogLevel.cs

@@ -1,9 +1,5 @@
-using Ryujinx.Common.Utilities;
-using System.Text.Json.Serialization;
-
 namespace Ryujinx.Common.Logging
 {
-    [JsonConverter(typeof(TypedStringEnumConverter<LogLevel>))]
     public enum LogLevel
     {
         Debug,

Ryujinx.Common/Logging/Targets/JsonLogTarget.cs

@@ -1,5 +1,5 @@
-using Ryujinx.Common.Utilities;
-using System.IO;
+using System.IO;
+using System.Text.Json;
 
 namespace Ryujinx.Common.Logging
 {
@@ -25,8 +25,12 @@ namespace Ryujinx.Common.Logging
 
         public void Log(object sender, LogEventArgs e)
         {
-            var logEventArgsJson = LogEventArgsJson.FromLogEventArgs(e);
-            JsonHelper.SerializeToStream(_stream, logEventArgsJson, LogEventJsonSerializerContext.Default.LogEventArgsJson);
+            string text = JsonSerializer.Serialize(e);
+
+            using (BinaryWriter writer = new BinaryWriter(_stream))
+            {
+                writer.Write(text);
+            }
         }
 
         public void Dispose()

Ryujinx.Common/SystemInterop/StdErrAdapter.cs

@@ -1,18 +1,21 @@
+using Microsoft.Win32.SafeHandles;
 using Ryujinx.Common.Logging;
 using System;
 using System.IO;
 using System.Runtime.InteropServices;
 using System.Runtime.Versioning;
 using System.Threading;
+using System.Threading.Tasks;
 
 namespace Ryujinx.Common.SystemInterop
 {
     public partial class StdErrAdapter : IDisposable
     {
         private bool _disposable = false;
-        private UnixStream _pipeReader;
-        private UnixStream _pipeWriter;
-        private Thread _worker;
+        private Stream _pipeReader;
+        private Stream _pipeWriter;
+        private CancellationTokenSource _cancellationTokenSource;
+        private Task _worker;
 
         public StdErrAdapter()
         {
@@ -31,21 +34,21 @@ namespace Ryujinx.Common.SystemInterop
             (int readFd, int writeFd) = MakePipe();
             dup2(writeFd, stdErrFileno);
 
-            _pipeReader = new UnixStream(readFd);
-            _pipeWriter = new UnixStream(writeFd);
+            _pipeReader = CreateFileDescriptorStream(readFd);
+            _pipeWriter = CreateFileDescriptorStream(writeFd);
 
-            _worker = new Thread(EventWorker);
+            _cancellationTokenSource = new CancellationTokenSource();
+            _worker = Task.Run(async () => await EventWorkerAsync(_cancellationTokenSource.Token), _cancellationTokenSource.Token);
             _disposable = true;
-            _worker.Start();
         }
         
         [SupportedOSPlatform("linux")]
         [SupportedOSPlatform("macos")]
-        private void EventWorker()
+        private async Task EventWorkerAsync(CancellationToken cancellationToken)
         {
-            TextReader reader = new StreamReader(_pipeReader);
+            using TextReader reader = new StreamReader(_pipeReader, leaveOpen: true);
             string line;
-            while ((line = reader.ReadLine()) != null)
+            while (cancellationToken.IsCancellationRequested == false && (line = await reader.ReadLineAsync(cancellationToken)) != null)
             {
                 Logger.Error?.PrintRawMsg(line);
             }
@@ -55,13 +58,15 @@ namespace Ryujinx.Common.SystemInterop
         {
             if (_disposable)
             {
+                _disposable = false;
+                
                 if (OperatingSystem.IsLinux() || OperatingSystem.IsMacOS())
                 {
+                    _cancellationTokenSource.Cancel();
+                    _worker.Wait(0);
                     _pipeReader?.Close();
                     _pipeWriter?.Close();
                 }
-
-                _disposable = false;
             }
         }
 
@@ -74,11 +79,11 @@ namespace Ryujinx.Common.SystemInterop
         private static partial int dup2(int fd, int fd2);
 
         [LibraryImport("libc", SetLastError = true)]
-        private static unsafe partial int pipe(int* pipefd);
+        private static partial int pipe(Span<int> pipefd);
 
-        private static unsafe (int, int) MakePipe()
+        private static (int, int) MakePipe()
         {
-            int *pipefd = stackalloc int[2];
+            Span<int> pipefd = stackalloc int[2]; 
 
             if (pipe(pipefd) == 0)
             {
@@ -89,5 +94,16 @@ namespace Ryujinx.Common.SystemInterop
                 throw new();
             }
         }
+        
+        [SupportedOSPlatform("linux")]
+        [SupportedOSPlatform("macos")]
+        private static Stream CreateFileDescriptorStream(int fd)
+        {
+            return new FileStream(
+                new SafeFileHandle((IntPtr)fd, ownsHandle: true),
+                FileAccess.ReadWrite
+            );
+        }
+       
     }
 }

Ryujinx.Common/SystemInterop/UnixStream.cs

@@ -1,155 +0,0 @@
-using System;
-using System.IO;
-using System.Runtime.InteropServices;
-using System.Runtime.Versioning;
-
-namespace Ryujinx.Common.SystemInterop
-{
-    [SupportedOSPlatform("linux")]
-    [SupportedOSPlatform("macos")]
-    public partial class UnixStream : Stream, IDisposable
-    {
-        private const int InvalidFd = -1;
-
-        private int _fd;
-
-        [LibraryImport("libc", SetLastError = true)]
-        private static partial long read(int fd, IntPtr buf, ulong count);
-
-        [LibraryImport("libc", SetLastError = true)]
-        private static partial long write(int fd, IntPtr buf, ulong count);
-
-        [LibraryImport("libc", SetLastError = true)]
-        private static partial int close(int fd);
-
-        public UnixStream(int fd)
-        {
-            if (InvalidFd == fd)
-            {
-                throw new ArgumentException("Invalid file descriptor");
-            }
-
-            _fd = fd;
-            
-            CanRead = read(fd, IntPtr.Zero, 0) != -1;
-            CanWrite = write(fd, IntPtr.Zero, 0) != -1;  
-        }
-
-        ~UnixStream()
-        {
-            Close();
-        }
-
-        public override bool CanRead { get; }
-        public override bool CanWrite { get; }
-        public override bool CanSeek => false;
-
-        public override long Length => throw new NotSupportedException();
-
-        public override long Position
-        {
-            get => throw new NotSupportedException();
-            set => throw new NotSupportedException();
-        }
-
-        public override void Flush()
-        {
-        }
-
-        public override unsafe int Read([In, Out] byte[] buffer, int offset, int count)
-        {
-            if (offset < 0 || offset > (buffer.Length - count) || count < 0)
-            {
-                throw new ArgumentOutOfRangeException();
-            }
-
-            if (buffer.Length == 0)
-            {
-                return 0;
-            }
-
-            long r = 0;
-            fixed (byte* buf = &buffer[offset])
-            {
-                do
-                {
-                    r = read(_fd, (IntPtr)buf, (ulong)count);
-                } while (ShouldRetry(r));
-            }
-
-            return (int)r;
-        }
-        
-        public override unsafe void Write(byte[] buffer, int offset, int count)
-        {
-            if (offset < 0 || offset > (buffer.Length - count) || count < 0)
-            {
-                throw new ArgumentOutOfRangeException();
-            }
-
-            if (buffer.Length == 0)
-            {
-                return;
-            }
-
-            fixed (byte* buf = &buffer[offset])
-            {
-                long r = 0;
-                do {
-                    r = write(_fd, (IntPtr)buf, (ulong)count);
-                } while (ShouldRetry(r));
-            }
-        }
-
-        public override long Seek(long offset, SeekOrigin origin)
-        {
-            throw new NotSupportedException();
-        }
-
-        public override void SetLength(long value)
-        {
-            throw new NotSupportedException();
-        }
-
-        public override void Close()
-        {
-            if (_fd == InvalidFd)
-            {
-                return;
-            }
-
-            Flush();
-
-            int r;
-            do {
-                r = close(_fd);
-            } while (ShouldRetry(r));
-
-            _fd = InvalidFd;
-        }
-
-        void IDisposable.Dispose()
-        {
-            Close();
-        }
-
-        private bool ShouldRetry(long r)
-        {
-            if (r == -1)
-            {
-                const int eintr = 4;
-
-                int errno = Marshal.GetLastPInvokeError();
-
-                if (errno == eintr)
-                {
-                    return true;
-                }
-
-                throw new SystemException($"Operation failed with error 0x{errno:X}");
-            }
-
-            return false;
-        }
-    }
-}

Ryujinx.Common/Utilities/CommonJsonContext.cs

@@ -1,11 +0,0 @@
-using System.Collections.Generic;
-using System.Text.Json.Serialization;
-
-namespace Ryujinx.Common.Utilities
-{
-    [JsonSerializable(typeof(string[]), TypeInfoPropertyName = "StringArray")]
-    [JsonSerializable(typeof(Dictionary<string, string>), TypeInfoPropertyName = "StringDictionary")]
-    public partial class CommonJsonContext : JsonSerializerContext
-    {
-    }
-}

Ryujinx.Common/Utilities/JsonHelper.cs

@@ -1,62 +1,15 @@
-using System.IO;
+using Ryujinx.Common.Configuration.Hid;
+using Ryujinx.Common.Configuration.Hid.Controller.Motion;
+using System.IO;
 using System.Text;
 using System.Text.Json;
-using System.Text.Json.Serialization.Metadata;
+using System.Text.Json.Serialization;
 
 namespace Ryujinx.Common.Utilities
 {
     public class JsonHelper
     {
-        private static readonly JsonNamingPolicy SnakeCasePolicy = new SnakeCaseNamingPolicy();
-        private const int DefaultFileWriteBufferSize = 4096;
-
-        /// <summary>
-        /// Creates new serializer options with default settings.
-        /// </summary>
-        /// <remarks>
-        /// It is REQUIRED for you to save returned options statically or as a part of static serializer context
-        /// in order to avoid performance issues. You can safely modify returned options for your case before storing.
-        /// </remarks>
-        public static JsonSerializerOptions GetDefaultSerializerOptions(bool indented = true)
-        {
-            JsonSerializerOptions options = new()
-            {
-                DictionaryKeyPolicy  = SnakeCasePolicy,
-                PropertyNamingPolicy = SnakeCasePolicy,
-                WriteIndented        = indented,
-                AllowTrailingCommas  = true,
-                ReadCommentHandling  = JsonCommentHandling.Skip
-            };
-
-            return options;
-        }
-
-        public static string Serialize<T>(T value, JsonTypeInfo<T> typeInfo)
-        {
-            return JsonSerializer.Serialize(value, typeInfo);
-        }
-
-        public static T Deserialize<T>(string value, JsonTypeInfo<T> typeInfo)
-        {
-            return JsonSerializer.Deserialize(value, typeInfo);
-        }
-
-        public static void SerializeToFile<T>(string filePath, T value, JsonTypeInfo<T> typeInfo)
-        {
-            using FileStream file = File.Create(filePath, DefaultFileWriteBufferSize, FileOptions.WriteThrough);
-            JsonSerializer.Serialize(file, value, typeInfo);
-        }
-
-        public static T DeserializeFromFile<T>(string filePath, JsonTypeInfo<T> typeInfo)
-        {
-            using FileStream file = File.OpenRead(filePath);
-            return JsonSerializer.Deserialize(file, typeInfo);
-        }
-
-        public static void SerializeToStream<T>(Stream stream, T value, JsonTypeInfo<T> typeInfo)
-        {
-            JsonSerializer.Serialize(stream, value, typeInfo);
-        }
+        public static JsonNamingPolicy SnakeCase { get; }
 
         private class SnakeCaseNamingPolicy : JsonNamingPolicy
         {
@@ -67,7 +20,7 @@ namespace Ryujinx.Common.Utilities
                     return name;
                 }
 
-                StringBuilder builder = new();
+                StringBuilder builder = new StringBuilder();
 
                 for (int i = 0; i < name.Length; i++)
                 {
@@ -81,7 +34,7 @@ namespace Ryujinx.Common.Utilities
                         }
                         else
                         {
-                            builder.Append('_');
+                            builder.Append("_");
                             builder.Append(char.ToLowerInvariant(c));
                         }
                     }
@@ -94,5 +47,64 @@ namespace Ryujinx.Common.Utilities
                 return builder.ToString();
             }
         }
+
+        static JsonHelper()
+        {
+            SnakeCase = new SnakeCaseNamingPolicy();
+        }
+
+        public static JsonSerializerOptions GetDefaultSerializerOptions(bool prettyPrint = false)
+        {
+            JsonSerializerOptions options = new JsonSerializerOptions
+            {
+                DictionaryKeyPolicy  = SnakeCase,
+                PropertyNamingPolicy = SnakeCase,
+                WriteIndented        = prettyPrint,
+                AllowTrailingCommas  = true,
+                ReadCommentHandling  = JsonCommentHandling.Skip
+            };
+
+            options.Converters.Add(new JsonStringEnumConverter());
+            options.Converters.Add(new JsonInputConfigConverter());
+            options.Converters.Add(new JsonMotionConfigControllerConverter());
+
+            return options;
+        }
+
+        public static T Deserialize<T>(Stream stream)
+        {
+            using (BinaryReader reader = new BinaryReader(stream))
+            {
+                return JsonSerializer.Deserialize<T>(reader.ReadBytes((int)(stream.Length - stream.Position)), GetDefaultSerializerOptions());
+            }
+        }
+
+        public static T DeserializeFromFile<T>(string path)
+        {
+            return Deserialize<T>(File.ReadAllText(path));
+        }
+
+        public static T Deserialize<T>(string json)
+        {
+            return JsonSerializer.Deserialize<T>(json, GetDefaultSerializerOptions());
+        }
+
+        public static void Serialize<TValue>(Stream stream, TValue obj, bool prettyPrint = false)
+        {
+            using (BinaryWriter writer = new BinaryWriter(stream))
+            {
+                writer.Write(SerializeToUtf8Bytes(obj, prettyPrint));
+            }
+        }
+
+        public static string Serialize<TValue>(TValue obj, bool prettyPrint = false)
+        {
+            return JsonSerializer.Serialize(obj, GetDefaultSerializerOptions(prettyPrint));
+        }
+
+        public static byte[] SerializeToUtf8Bytes<T>(T obj, bool prettyPrint = false)
+        {
+            return JsonSerializer.SerializeToUtf8Bytes(obj, GetDefaultSerializerOptions(prettyPrint));
+        }
     }
 }

Ryujinx.Common/Utilities/TypedStringEnumConverter.cs

@@ -1,34 +0,0 @@
-#nullable enable
-using System;
-using System.Text.Json;
-using System.Text.Json.Serialization;
-
-namespace Ryujinx.Common.Utilities
-{
-    /// <summary>
-    /// Specifies that value of <see cref="TEnum"/> will be serialized as string in JSONs
-    /// </summary>
-    /// <remarks>
-    /// Trimming friendly alternative to <see cref="JsonStringEnumConverter"/>.
-    /// Get rid of this converter if dotnet supports similar functionality out of the box.
-    /// </remarks>
-    /// <typeparam name="TEnum">Type of enum to serialize</typeparam>
-    public sealed class TypedStringEnumConverter<TEnum> : JsonConverter<TEnum> where TEnum : struct, Enum
-    {
-        public override TEnum Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
-        {
-            var enumValue = reader.GetString();
-            if (string.IsNullOrEmpty(enumValue))
-            {
-                return default;
-            }
-
-            return Enum.Parse<TEnum>(enumValue);
-        }
-
-        public override void Write(Utf8JsonWriter writer, TEnum value, JsonSerializerOptions options)
-        {
-            writer.WriteStringValue(value.ToString());
-        }
-    }
-}

Ryujinx.Graphics.Gpu/Engine/Threed/DrawManager.cs

@@ -180,7 +180,7 @@ namespace Ryujinx.Graphics.Gpu.Engine.Threed
 
             int firstInstance = (int)_state.State.FirstInstance;
 
-            int inlineIndexCount = _drawState.IbStreamer.GetAndResetInlineIndexCount();
+            int inlineIndexCount = _drawState.IbStreamer.GetAndResetInlineIndexCount(_context.Renderer);
 
             if (inlineIndexCount != 0)
             {
@@ -670,7 +670,7 @@ namespace Ryujinx.Graphics.Gpu.Engine.Threed
                 {
                     if (indexedInline)
                     {
-                        int inlineIndexCount = _drawState.IbStreamer.GetAndResetInlineIndexCount();
+                        int inlineIndexCount = _drawState.IbStreamer.GetAndResetInlineIndexCount(_context.Renderer);
                         BufferRange br = new BufferRange(_drawState.IbStreamer.GetInlineIndexBuffer(), 0, inlineIndexCount * 4);
 
                         _channel.BufferManager.SetIndexBuffer(br, IndexType.UInt);

Ryujinx.Graphics.Gpu/Engine/Threed/IbStreamer.cs

@@ -11,9 +11,13 @@ namespace Ryujinx.Graphics.Gpu.Engine.Threed
     /// </summary>
     struct IbStreamer
     {
+        private const int BufferCapacity = 256; // Must be a power of 2.
+
         private BufferHandle _inlineIndexBuffer;
         private int _inlineIndexBufferSize;
         private int _inlineIndexCount;
+        private uint[] _buffer;
+        private int _bufferOffset;
 
         /// <summary>
         /// Indicates if any index buffer data has been pushed.
@@ -38,9 +42,11 @@ namespace Ryujinx.Graphics.Gpu.Engine.Threed
         /// Gets the number of elements on the current inline index buffer,
         /// while also reseting it to zero for the next draw.
         /// </summary>
+        /// <param name="renderer">Host renderer</param>
         /// <returns>Inline index bufffer count</returns>
-        public int GetAndResetInlineIndexCount()
+        public int GetAndResetInlineIndexCount(IRenderer renderer)
         {
+            UpdateRemaining(renderer);
             int temp = _inlineIndexCount;
             _inlineIndexCount = 0;
             return temp;
@@ -58,16 +64,12 @@ namespace Ryujinx.Graphics.Gpu.Engine.Threed
             byte i2 = (byte)(argument >> 16);
             byte i3 = (byte)(argument >> 24);
 
-            Span<uint> data = stackalloc uint[4];
+            int offset = _inlineIndexCount;
 
-            data[0] = i0;
-            data[1] = i1;
-            data[2] = i2;
-            data[3] = i3;
-
-            int offset = _inlineIndexCount * 4;
-
-            renderer.SetBufferData(GetInlineIndexBuffer(renderer, offset), offset, MemoryMarshal.Cast<uint, byte>(data));
+            PushData(renderer, offset, i0);
+            PushData(renderer, offset + 1, i1);
+            PushData(renderer, offset + 2, i2);
+            PushData(renderer, offset + 3, i3);
 
             _inlineIndexCount += 4;
         }
@@ -82,14 +84,10 @@ namespace Ryujinx.Graphics.Gpu.Engine.Threed
             ushort i0 = (ushort)argument;
             ushort i1 = (ushort)(argument >> 16);
 
-            Span<uint> data = stackalloc uint[2];
+            int offset = _inlineIndexCount;
 
-            data[0] = i0;
-            data[1] = i1;
-
-            int offset = _inlineIndexCount * 4;
-
-            renderer.SetBufferData(GetInlineIndexBuffer(renderer, offset), offset, MemoryMarshal.Cast<uint, byte>(data));
+            PushData(renderer, offset, i0);
+            PushData(renderer, offset + 1, i1);
 
             _inlineIndexCount += 2;
         }
@@ -103,13 +101,61 @@ namespace Ryujinx.Graphics.Gpu.Engine.Threed
         {
             uint i0 = (uint)argument;
 
-            Span<uint> data = stackalloc uint[1];
+            int offset = _inlineIndexCount++;
 
-            data[0] = i0;
+            PushData(renderer, offset, i0);
+        }
 
-            int offset = _inlineIndexCount++ * 4;
+        /// <summary>
+        /// Pushes a 32-bit value to the index buffer.
+        /// </summary>
+        /// <param name="renderer">Host renderer</param>
+        /// <param name="offset">Offset where the data should be written, in 32-bit words</param>
+        /// <param name="value">Index value to be written</param>
+        private void PushData(IRenderer renderer, int offset, uint value)
+        {
+            if (_buffer == null)
+            {
+                _buffer = new uint[BufferCapacity];
+            }
 
-            renderer.SetBufferData(GetInlineIndexBuffer(renderer, offset), offset, MemoryMarshal.Cast<uint, byte>(data));
+            // We upload data in chunks.
+            // If we are at the start of a chunk, then the buffer might be full,
+            // in that case we need to submit any existing data before overwriting the buffer.
+            int subOffset = offset & (BufferCapacity - 1);
+
+            if (subOffset == 0 && offset != 0)
+            {
+                int baseOffset = (offset - BufferCapacity) * sizeof(uint);
+                BufferHandle buffer = GetInlineIndexBuffer(renderer, baseOffset, BufferCapacity * sizeof(uint));
+                renderer.SetBufferData(buffer, baseOffset, MemoryMarshal.Cast<uint, byte>(_buffer));
+            }
+
+            _buffer[subOffset] = value;
+        }
+
+        /// <summary>
+        /// Makes sure that any pending data is submitted to the GPU before the index buffer is used.
+        /// </summary>
+        /// <param name="renderer">Host renderer</param>
+        private void UpdateRemaining(IRenderer renderer)
+        {
+            int offset = _inlineIndexCount;
+            if (offset == 0)
+            {
+                return;
+            }
+
+            int count = offset & (BufferCapacity - 1);
+            if (count == 0)
+            {
+                count = BufferCapacity;
+            }
+
+            int baseOffset = (offset - count) * sizeof(uint);
+            int length = count * sizeof(uint);
+            BufferHandle buffer = GetInlineIndexBuffer(renderer, baseOffset, length);
+            renderer.SetBufferData(buffer, baseOffset, MemoryMarshal.Cast<uint, byte>(_buffer).Slice(0, length));
         }
 
         /// <summary>
@@ -117,12 +163,13 @@ namespace Ryujinx.Graphics.Gpu.Engine.Threed
         /// </summary>
         /// <param name="renderer">Host renderer</param>
         /// <param name="offset">Offset where the data will be written</param>
+        /// <param name="length">Number of bytes that will be written</param>
         /// <returns>Buffer handle</returns>
-        private BufferHandle GetInlineIndexBuffer(IRenderer renderer, int offset)
+        private BufferHandle GetInlineIndexBuffer(IRenderer renderer, int offset, int length)
         {
             // Calculate a reasonable size for the buffer that can fit all the data,
             // and that also won't require frequent resizes if we need to push more data.
-            int size = BitUtils.AlignUp(offset + 0x10, 0x200);
+            int size = BitUtils.AlignUp(offset + length + 0x10, 0x200);
 
             if (_inlineIndexBuffer == BufferHandle.Null)
             {

Ryujinx.Graphics.Gpu/Image/TexturePool.cs

@@ -130,6 +130,10 @@ namespace Ryujinx.Graphics.Gpu.Image
                         return ref descriptor;
                     }
                 }
+                else
+                {
+                    texture.SynchronizeMemory();
+                }
 
                 Items[id] = texture;
 

Ryujinx.Graphics.Vulkan/DescriptorSetUpdater.cs

@@ -236,7 +236,7 @@ namespace Ryujinx.Graphics.Vulkan
             }
             else if (texture is TextureView view)
             {
-                view.Storage.InsertBarrier(cbs, AccessFlags.ShaderReadBit, stage.ConvertToPipelineStageFlags());
+                view.Storage.InsertWriteToReadBarrier(cbs, AccessFlags.ShaderReadBit, stage.ConvertToPipelineStageFlags());
 
                 _textureRefs[binding] = view.GetImageView();
                 _samplerRefs[binding] = ((SamplerHolder)sampler)?.GetSampler();

Ryujinx.Graphics.Vulkan/FramebufferParams.cs

@@ -218,5 +218,23 @@ namespace Ryujinx.Graphics.Vulkan
                 AccessFlags.DepthStencilAttachmentWriteBit,
                 PipelineStageFlags.ColorAttachmentOutputBit);
         }
+
+        public void InsertClearBarrier(CommandBufferScoped cbs, int index)
+        {
+            if (_colors != null)
+            {
+                int realIndex = Array.IndexOf(AttachmentIndices, index);
+
+                if (realIndex != -1)
+                {
+                    _colors[realIndex].Storage?.InsertReadToWriteBarrier(cbs, AccessFlags.ColorAttachmentWriteBit, PipelineStageFlags.ColorAttachmentOutputBit);
+                }
+            }
+        }
+
+        public void InsertClearBarrierDS(CommandBufferScoped cbs)
+        {
+            _depthStencil?.Storage?.InsertReadToWriteBarrier(cbs, AccessFlags.DepthStencilAttachmentWriteBit, PipelineStageFlags.EarlyFragmentTestsBit);
+        }
     }
 }

Ryujinx.Graphics.Vulkan/PipelineBase.cs

@@ -226,6 +226,8 @@ namespace Ryujinx.Graphics.Vulkan
             var attachment = new ClearAttachment(ImageAspectFlags.ColorBit, (uint)index, clearValue);
             var clearRect = FramebufferParams.GetClearRect(ClearScissor, layer, layerCount);
 
+            FramebufferParams.InsertClearBarrier(Cbs, index);
+
             Gd.Api.CmdClearAttachments(CommandBuffer, 1, &attachment, 1, &clearRect);
         }
 
@@ -256,6 +258,8 @@ namespace Ryujinx.Graphics.Vulkan
             var attachment = new ClearAttachment(flags, 0, clearValue);
             var clearRect = FramebufferParams.GetClearRect(ClearScissor, layer, layerCount);
 
+            FramebufferParams.InsertClearBarrierDS(Cbs);
+
             Gd.Api.CmdClearAttachments(CommandBuffer, 1, &attachment, 1, &clearRect);
         }
 

Ryujinx.Graphics.Vulkan/TextureStorage.cs

@@ -46,6 +46,8 @@ namespace Ryujinx.Graphics.Vulkan
 
         private AccessFlags _lastModificationAccess;
         private PipelineStageFlags _lastModificationStage;
+        private AccessFlags _lastReadAccess;
+        private PipelineStageFlags _lastReadStage;
 
         private int _viewsCount;
         private ulong _size;
@@ -440,31 +442,39 @@ namespace Ryujinx.Graphics.Vulkan
             _lastModificationStage = stage;
         }
 
-        public void InsertBarrier(CommandBufferScoped cbs, AccessFlags dstAccessFlags, PipelineStageFlags dstStageFlags)
+        public void InsertReadToWriteBarrier(CommandBufferScoped cbs, AccessFlags dstAccessFlags, PipelineStageFlags dstStageFlags)
         {
+            if (_lastReadAccess != AccessFlags.NoneKhr)
+            {
+                ImageAspectFlags aspectFlags = Info.Format.ConvertAspectFlags();
+
+                TextureView.InsertImageBarrier(
+                    _gd.Api,
+                    cbs.CommandBuffer,
+                    _imageAuto.Get(cbs).Value,
+                    _lastReadAccess,
+                    dstAccessFlags,
+                    _lastReadStage,
+                    dstStageFlags,
+                    aspectFlags,
+                    0,
+                    0,
+                    _info.GetLayers(),
+                    _info.Levels);
+
+                _lastReadAccess = AccessFlags.NoneKhr;
+                _lastReadStage = PipelineStageFlags.None;
+            }
+        }
+
+        public void InsertWriteToReadBarrier(CommandBufferScoped cbs, AccessFlags dstAccessFlags, PipelineStageFlags dstStageFlags)
+        {
+            _lastReadAccess |= dstAccessFlags;
+            _lastReadStage |= dstStageFlags;
+
             if (_lastModificationAccess != AccessFlags.NoneKhr)
             {
-                ImageAspectFlags aspectFlags;
-
-                if (_info.Format.IsDepthOrStencil())
-                {
-                    if (_info.Format == GAL.Format.S8Uint)
-                    {
-                        aspectFlags = ImageAspectFlags.StencilBit;
-                    }
-                    else if (_info.Format == GAL.Format.D16Unorm || _info.Format == GAL.Format.D32Float)
-                    {
-                        aspectFlags = ImageAspectFlags.DepthBit;
-                    }
-                    else
-                    {
-                        aspectFlags = ImageAspectFlags.DepthBit | ImageAspectFlags.StencilBit;
-                    }
-                }
-                else
-                {
-                    aspectFlags = ImageAspectFlags.ColorBit;
-                }
+                ImageAspectFlags aspectFlags = Info.Format.ConvertAspectFlags();
 
                 TextureView.InsertImageBarrier(
                     _gd.Api,

Ryujinx.Graphics.Vulkan/VulkanInitialization.cs

@@ -20,7 +20,7 @@ namespace Ryujinx.Graphics.Vulkan
         private const string AppName = "Ryujinx.Graphics.Vulkan";
         private const int QueuesCount = 2;
 
-        public static string[] DesirableExtensions { get; } = new string[]
+        private static readonly string[] _desirableExtensions = new string[]
         {
             ExtConditionalRendering.ExtensionName,
             ExtExtendedDynamicState.ExtensionName,
@@ -42,7 +42,7 @@ namespace Ryujinx.Graphics.Vulkan
             "VK_KHR_portability_subset", // By spec, we should enable this if present.
         };
 
-        public static string[] RequiredExtensions { get; } = new string[]
+        private static readonly string[] _requiredExtensions = new string[]
         {
             KhrSwapchain.ExtensionName
         };
@@ -337,14 +337,14 @@ namespace Ryujinx.Graphics.Vulkan
                 {
                     string extensionName = Marshal.PtrToStringAnsi((IntPtr)pExtensionProperties[i].ExtensionName);
 
-                    if (RequiredExtensions.Contains(extensionName))
+                    if (_requiredExtensions.Contains(extensionName))
                     {
                         extensionMatches++;
                     }
                 }
             }
 
-            return extensionMatches == RequiredExtensions.Length && FindSuitableQueueFamily(api, physicalDevice, surface, out _) != InvalidIndex;
+            return extensionMatches == _requiredExtensions.Length && FindSuitableQueueFamily(api, physicalDevice, surface, out _) != InvalidIndex;
         }
 
         internal static uint FindSuitableQueueFamily(Vk api, PhysicalDevice physicalDevice, SurfaceKHR surface, out uint queueCount)
@@ -626,7 +626,7 @@ namespace Ryujinx.Graphics.Vulkan
                 pExtendedFeatures = &featuresCustomBorderColor;
             }
 
-            var enabledExtensions = RequiredExtensions.Union(DesirableExtensions.Intersect(supportedExtensions)).ToArray();
+            var enabledExtensions = _requiredExtensions.Union(_desirableExtensions.Intersect(supportedExtensions)).ToArray();
 
             IntPtr* ppEnabledExtensions = stackalloc IntPtr[enabledExtensions.Length];
 
@@ -672,11 +672,6 @@ namespace Ryujinx.Graphics.Vulkan
             return extensionProperties.Select(x => Marshal.PtrToStringAnsi((IntPtr)x.ExtensionName)).ToArray();
         }
 
-        internal static CommandBufferPool CreateCommandBufferPool(Vk api, Device device, Queue queue, object queueLock, uint queueFamilyIndex)
-        {
-            return new CommandBufferPool(api, device, queue, queueLock, queueFamilyIndex);
-        }
-
         internal unsafe static void CreateDebugMessenger(
             Vk api,
             GraphicsDebugLevel logLevel,

Ryujinx.Graphics.Vulkan/VulkanRenderer.cs

@@ -168,7 +168,9 @@ namespace Ryujinx.Graphics.Vulkan
                 SType = StructureType.PhysicalDeviceSubgroupSizeControlPropertiesExt
             };
 
-            if (Capabilities.SupportsSubgroupSizeControl)
+            bool supportsSubgroupSizeControl = supportedExtensions.Contains("VK_EXT_subgroup_size_control");
+
+            if (supportsSubgroupSizeControl)
             {
                 properties2.PNext = &propertiesSubgroupSizeControl;
             }
@@ -292,7 +294,7 @@ namespace Ryujinx.Graphics.Vulkan
                 supportedExtensions.Contains(KhrDrawIndirectCount.ExtensionName),
                 supportedExtensions.Contains("VK_EXT_fragment_shader_interlock"),
                 supportedExtensions.Contains("VK_NV_geometry_shader_passthrough"),
-                supportedExtensions.Contains("VK_EXT_subgroup_size_control"),
+                supportsSubgroupSizeControl,
                 featuresShaderInt8.ShaderInt8,
                 supportedExtensions.Contains("VK_EXT_shader_stencil_export"),
                 supportedExtensions.Contains(ExtConditionalRendering.ExtensionName),
@@ -318,7 +320,7 @@ namespace Ryujinx.Graphics.Vulkan
 
             MemoryAllocator = new MemoryAllocator(Api, _physicalDevice, _device, properties.Limits.MaxMemoryAllocationCount);
 
-            CommandBufferPool = VulkanInitialization.CreateCommandBufferPool(Api, _device, Queue, QueueLock, queueFamilyIndex);
+            CommandBufferPool = new CommandBufferPool(Api, _device, Queue, QueueLock, queueFamilyIndex);
 
             DescriptorSetManager = new DescriptorSetManager(_device);
 

Ryujinx.HLE/HOS/ApplicationLoader.cs

@@ -13,7 +13,6 @@ using LibHac.Tools.FsSystem;
 using LibHac.Tools.FsSystem.NcaUtils;
 using Ryujinx.Common.Configuration;
 using Ryujinx.Common.Logging;
-using Ryujinx.Common.Utilities;
 using Ryujinx.Cpu;
 using Ryujinx.HLE.FileSystem;
 using Ryujinx.HLE.Loaders.Executables;
@@ -25,13 +24,14 @@ using System.IO;
 using System.Linq;
 using System.Reflection;
 using System.Text;
-using System.Text.Json;
 using static Ryujinx.HLE.HOS.ModLoader;
 using ApplicationId = LibHac.Ncm.ApplicationId;
 using Path = System.IO.Path;
 
 namespace Ryujinx.HLE.HOS
 {
+    using JsonHelper = Common.Utilities.JsonHelper;
+
     public class ApplicationLoader
     {
         // Binaries from exefs are loaded into mem in this order. Do not change.
@@ -57,10 +57,6 @@ namespace Ryujinx.HLE.HOS
         private string _displayVersion;
         private BlitStruct<ApplicationControlProperty> _controlData;
 
-        private static readonly JsonSerializerOptions SerializerOptions = JsonHelper.GetDefaultSerializerOptions();
-        private static readonly DownloadableContentJsonSerializerContext ContentSerializerContext = new(SerializerOptions);
-        private static readonly TitleUpdateMetadataJsonSerializerContext TitleSerializerContext = new(SerializerOptions);
-
         public BlitStruct<ApplicationControlProperty> ControlData => _controlData;
         public string TitleName => _titleName;
         public string DisplayVersion => _displayVersion;
@@ -201,7 +197,7 @@ namespace Ryujinx.HLE.HOS
 
                 if (File.Exists(titleUpdateMetadataPath))
                 {
-                    updatePath = JsonHelper.DeserializeFromFile(titleUpdateMetadataPath, TitleSerializerContext.TitleUpdateMetadata).Selected;
+                    updatePath = JsonHelper.DeserializeFromFile<TitleUpdateMetadata>(titleUpdateMetadataPath).Selected;
 
                     if (File.Exists(updatePath))
                     {
@@ -415,7 +411,7 @@ namespace Ryujinx.HLE.HOS
 
             if (File.Exists(titleAocMetadataPath))
             {
-                List<DownloadableContentContainer> dlcContainerList = JsonHelper.DeserializeFromFile(titleAocMetadataPath, ContentSerializerContext.ListDownloadableContentContainer);
+                List<DownloadableContentContainer> dlcContainerList = JsonHelper.DeserializeFromFile<List<DownloadableContentContainer>>(titleAocMetadataPath);
 
                 foreach (DownloadableContentContainer downloadableContentContainer in dlcContainerList)
                 {

Ryujinx.HLE/HOS/Services/Account/Acc/AccountSaveDataManager.cs

@@ -1,11 +1,11 @@
 using Ryujinx.Common.Configuration;
 using Ryujinx.Common.Logging;
 using Ryujinx.Common.Utilities;
-using Ryujinx.HLE.HOS.Services.Account.Acc.Types;
 using System;
 using System.Collections.Concurrent;
 using System.Collections.Generic;
 using System.IO;
+using System.Text.Json.Serialization;
 
 namespace Ryujinx.HLE.HOS.Services.Account.Acc
 {
@@ -13,7 +13,29 @@ namespace Ryujinx.HLE.HOS.Services.Account.Acc
     {
         private readonly string _profilesJsonPath = Path.Join(AppDataManager.BaseDirPath, "system", "Profiles.json");
 
-        private static readonly ProfilesJsonSerializerContext SerializerContext = new(JsonHelper.GetDefaultSerializerOptions());
+        private struct ProfilesJson
+        {
+            [JsonPropertyName("profiles")]
+            public List<UserProfileJson> Profiles { get; set; }
+            [JsonPropertyName("last_opened")]
+            public string LastOpened { get; set; }
+        }
+
+        private struct UserProfileJson
+        {
+            [JsonPropertyName("user_id")]
+            public string UserId { get; set; }
+            [JsonPropertyName("name")]
+            public string Name { get; set; }
+            [JsonPropertyName("account_state")]
+            public AccountState AccountState { get; set; }
+            [JsonPropertyName("online_play_state")]
+            public AccountState OnlinePlayState { get; set; }
+            [JsonPropertyName("last_modified_timestamp")]
+            public long LastModifiedTimestamp { get; set; }
+            [JsonPropertyName("image")]
+            public byte[] Image { get; set; }
+        }
 
         public UserId LastOpened { get; set; }
 
@@ -25,7 +47,7 @@ namespace Ryujinx.HLE.HOS.Services.Account.Acc
             {
                 try 
                 {
-                    ProfilesJson profilesJson = JsonHelper.DeserializeFromFile(_profilesJsonPath, SerializerContext.ProfilesJson);
+                    ProfilesJson profilesJson = JsonHelper.DeserializeFromFile<ProfilesJson>(_profilesJsonPath);
 
                     foreach (var profile in profilesJson.Profiles)
                     {
@@ -70,7 +92,7 @@ namespace Ryujinx.HLE.HOS.Services.Account.Acc
                 });
             }
 
-            JsonHelper.SerializeToFile(_profilesJsonPath, profilesJson, SerializerContext.ProfilesJson);
+            File.WriteAllText(_profilesJsonPath, JsonHelper.Serialize(profilesJson, true));
         }
     }
 }

Ryujinx.HLE/HOS/Services/Account/Acc/ProfilesJsonSerializerContext.cs

@@ -1,11 +0,0 @@
-using Ryujinx.HLE.HOS.Services.Account.Acc.Types;
-using System.Text.Json.Serialization;
-
-namespace Ryujinx.HLE.HOS.Services.Account.Acc
-{
-    [JsonSourceGenerationOptions(WriteIndented = true)]
-    [JsonSerializable(typeof(ProfilesJson))]
-    internal partial class ProfilesJsonSerializerContext : JsonSerializerContext
-    {
-    }
-}

Ryujinx.HLE/HOS/Services/Account/Acc/Types/AccountState.cs

@@ -1,9 +1,5 @@
-using Ryujinx.Common.Utilities;
-using System.Text.Json.Serialization;
-
 namespace Ryujinx.HLE.HOS.Services.Account.Acc
 {
-    [JsonConverter(typeof(TypedStringEnumConverter<AccountState>))]
     public enum AccountState
     {
         Closed,

Ryujinx.HLE/HOS/Services/Account/Acc/Types/ProfilesJson.cs

@@ -1,10 +0,0 @@
-using System.Collections.Generic;
-
-namespace Ryujinx.HLE.HOS.Services.Account.Acc.Types
-{
-    internal struct ProfilesJson
-    {
-        public List<UserProfileJson> Profiles { get; set; }
-        public string LastOpened { get; set; }
-    }
-}

Ryujinx.HLE/HOS/Services/Account/Acc/Types/UserProfileJson.cs

@@ -1,12 +0,0 @@
-namespace Ryujinx.HLE.HOS.Services.Account.Acc.Types
-{
-    internal struct UserProfileJson
-    {
-        public string UserId { get; set; }
-        public string Name { get; set; }
-        public AccountState AccountState { get; set; }
-        public AccountState OnlinePlayState { get; set; }
-        public long LastModifiedTimestamp { get; set; }
-        public byte[] Image { get; set; }
-    }
-}

Ryujinx.HLE/HOS/Services/Nfc/Nfp/AmiiboJsonSerializerContext.cs

@@ -1,10 +0,0 @@
-using Ryujinx.HLE.HOS.Services.Nfc.Nfp.NfpManager;
-using System.Text.Json.Serialization;
-
-namespace Ryujinx.HLE.HOS.Services.Nfc.Nfp
-{
-    [JsonSerializable(typeof(VirtualAmiiboFile))]
-    internal partial class AmiiboJsonSerializerContext : JsonSerializerContext
-    {
-    }
-}

Ryujinx.HLE/HOS/Services/Nfc/Nfp/VirtualAmiibo.cs

@@ -1,6 +1,5 @@
 using Ryujinx.Common.Configuration;
 using Ryujinx.Common.Memory;
-using Ryujinx.Common.Utilities;
 using Ryujinx.Cpu;
 using Ryujinx.HLE.HOS.Services.Mii;
 using Ryujinx.HLE.HOS.Services.Mii.Types;
@@ -9,6 +8,8 @@ using System;
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
+using System.Text;
+using System.Text.Json;
 
 namespace Ryujinx.HLE.HOS.Services.Nfc.Nfp
 {
@@ -16,8 +17,6 @@ namespace Ryujinx.HLE.HOS.Services.Nfc.Nfp
     {
         private static uint _openedApplicationAreaId;
 
-        private static readonly AmiiboJsonSerializerContext SerializerContext = AmiiboJsonSerializerContext.Default;
-
         public static byte[] GenerateUuid(string amiiboId, bool useRandomUuid)
         {
             if (useRandomUuid)
@@ -174,7 +173,7 @@ namespace Ryujinx.HLE.HOS.Services.Nfc.Nfp
 
             if (File.Exists(filePath))
             {
-                virtualAmiiboFile = JsonHelper.DeserializeFromFile(filePath, SerializerContext.VirtualAmiiboFile);
+                virtualAmiiboFile = JsonSerializer.Deserialize<VirtualAmiiboFile>(File.ReadAllText(filePath), new JsonSerializerOptions(JsonSerializerDefaults.General));
             }
             else
             {
@@ -198,7 +197,8 @@ namespace Ryujinx.HLE.HOS.Services.Nfc.Nfp
         private static void SaveAmiiboFile(VirtualAmiiboFile virtualAmiiboFile)
         {
             string filePath = Path.Join(AppDataManager.BaseDirPath, "system", "amiibo", $"{virtualAmiiboFile.AmiiboId}.json");
-            JsonHelper.SerializeToFile(filePath, virtualAmiiboFile, SerializerContext.VirtualAmiiboFile);
+
+            File.WriteAllText(filePath, JsonSerializer.Serialize(virtualAmiiboFile));
         }
     }
 }

Ryujinx.HLE/HOS/Services/Nim/IShopServiceAccessServerInterface.cs

@@ -14,6 +14,9 @@ namespace Ryujinx.HLE.HOS.Services.Nim
         // CreateServerInterface(pid, handle<unknown>, u64) -> object<nn::ec::IShopServiceAccessServer>
         public ResultCode CreateServerInterface(ServiceCtx context)
         {
+            // Close transfer memory immediately as we don't use it.
+            context.Device.System.KernelContext.Syscall.CloseHandle(context.Request.HandleDesc.ToCopy[0]);
+
             MakeObject(context, new IShopServiceAccessServer());
 
             Logger.Stub?.PrintStub(LogClass.ServiceNim);

Ryujinx.Headless.SDL2/Program.cs

@@ -56,8 +56,6 @@ namespace Ryujinx.Headless.SDL2
         private static bool _enableKeyboard;
         private static bool _enableMouse;
 
-        private static readonly InputConfigJsonSerializerContext SerializerContext = new(JsonHelper.GetDefaultSerializerOptions());
-
         static void Main(string[] args)
         {
             Version = ReleaseInformation.GetVersion();
@@ -287,7 +285,10 @@ namespace Ryujinx.Headless.SDL2
 
                 try
                 {
-                    config = JsonHelper.DeserializeFromFile(path, SerializerContext.InputConfig);
+                    using (Stream stream = File.OpenRead(path))
+                    {
+                        config = JsonHelper.Deserialize<InputConfig>(stream);
+                    }
                 }
                 catch (JsonException)
                 {

Ryujinx.Horizon.Kernel.Generators/Kernel/SyscallGenerator.cs

@@ -4,6 +4,7 @@ using Microsoft.CodeAnalysis.CSharp.Syntax;
 using System;
 using System.Collections.Generic;
 using System.Diagnostics;
+using System.Linq;
 
 namespace Ryujinx.Horizon.Generators.Kernel
 {
@@ -151,24 +152,15 @@ namespace Ryujinx.Horizon.Generators.Kernel
                 GenerateMethod32(generator, context.Compilation, method);
                 GenerateMethod64(generator, context.Compilation, method);
 
-                foreach (var attributeList in method.AttributeLists)
+                foreach (AttributeSyntax attribute in method.AttributeLists.SelectMany(attributeList =>
+                             attributeList.Attributes.Where(attribute =>
+                                 GetCanonicalTypeName(context.Compilation, attribute) == TypeSvcAttribute)))
                 {
-                    foreach (var attribute in attributeList.Attributes)
-                    {
-                        if (GetCanonicalTypeName(context.Compilation, attribute) != TypeSvcAttribute)
-                        {
-                            continue;
-                        }
-
-                        foreach (var attributeArg in attribute.ArgumentList.Arguments)
-                        {
-                            if (attributeArg.Expression.Kind() == SyntaxKind.NumericLiteralExpression)
-                            {
-                                LiteralExpressionSyntax numericLiteral = (LiteralExpressionSyntax)attributeArg.Expression;
-                                syscalls.Add(new SyscallIdAndName((int)numericLiteral.Token.Value, method.Identifier.Text));
-                            }
-                        }
-                    }
+                    syscalls.AddRange(from attributeArg in attribute.ArgumentList.Arguments
+                        where attributeArg.Expression.Kind() == SyntaxKind.NumericLiteralExpression
+                        select (LiteralExpressionSyntax)attributeArg.Expression
+                        into numericLiteral
+                        select new SyscallIdAndName((int)numericLiteral.Token.Value, method.Identifier.Text));
                 }
             }
 
@@ -510,28 +502,14 @@ namespace Ryujinx.Horizon.Generators.Kernel
 
         private static string GenerateCastFromUInt64(string value, string canonicalTargetTypeName, string targetTypeName)
         {
-            if (canonicalTargetTypeName == TypeSystemBoolean)
-            {
-                return $"({value} & 1) != 0";
-            }
-
-            return $"({targetTypeName}){value}";
+            return canonicalTargetTypeName == TypeSystemBoolean ? $"({value} & 1) != 0" : $"({targetTypeName}){value}";
         }
 
         private static bool IsPointerSized(Compilation compilation, ParameterSyntax parameterSyntax)
         {
-            foreach (var attributeList in parameterSyntax.AttributeLists)
-            {
-                foreach (var attribute in attributeList.Attributes)
-                {
-                    if (GetCanonicalTypeName(compilation, attribute) == TypePointerSizedAttribute)
-                    {
-                        return true;
-                    }
-                }
-            }
-
-            return false;
+            return parameterSyntax.AttributeLists.Any(attributeList =>
+                attributeList.Attributes.Any(attribute =>
+                    GetCanonicalTypeName(compilation, attribute) == TypePointerSizedAttribute));
         }
 
         public void Initialize(GeneratorInitializationContext context)

Ryujinx.Horizon.Kernel.Generators/Kernel/SyscallSyntaxReceiver.cs

@@ -16,12 +16,17 @@ namespace Ryujinx.Horizon.Generators.Kernel
 
         public void OnVisitSyntaxNode(SyntaxNode syntaxNode)
         {
-            if (syntaxNode is ClassDeclarationSyntax classDeclaration && classDeclaration.AttributeLists.Count != 0)
+            if (!(syntaxNode is ClassDeclarationSyntax classDeclaration) || classDeclaration.AttributeLists.Count == 0)
             {
-                foreach (var attributeList in classDeclaration.AttributeLists)
-                {
-                    if (attributeList.Attributes.Any(x => x.Name.GetText().ToString() == "SvcImpl"))
+                return;
+            }
+
+            if (!classDeclaration.AttributeLists.Any(attributeList =>
+                    attributeList.Attributes.Any(x => x.Name.GetText().ToString() == "SvcImpl")))
             {
+                return;
+            }
+
             foreach (var memberDeclaration in classDeclaration.Members)
             {
                 if (memberDeclaration is MethodDeclarationSyntax methodDeclaration)
@@ -29,25 +34,19 @@ namespace Ryujinx.Horizon.Generators.Kernel
                     VisitMethod(methodDeclaration);
                 }
             }
-
-                        break;
-                    }
-                }
-            }
         }
 
         private void VisitMethod(MethodDeclarationSyntax methodDeclaration)
         {
-            if (methodDeclaration.AttributeLists.Count != 0)
+            if (methodDeclaration.AttributeLists.Count == 0)
             {
-                foreach (var attributeList in methodDeclaration.AttributeLists)
-                {
-                    if (attributeList.Attributes.Any(x => x.Name.GetText().ToString() == "Svc"))
+                return;
+            }
+
+            if (methodDeclaration.AttributeLists.Any(attributeList =>
+                    attributeList.Attributes.Any(x => x.Name.GetText().ToString() == "Svc")))
             {
                 SvcImplementations.Add(methodDeclaration);
-                        break;
-                    }
-                }
             }
         }
     }

Ryujinx.Horizon/Sdk/Sf/CommandHandler.cs

@@ -40,12 +40,7 @@ namespace Ryujinx.Horizon.Sdk.Sf
             var    runtimeMetadata = context.Processor.GetRuntimeMetadata();
             Result result          = context.Processor.PrepareForProcess(ref context, runtimeMetadata);
 
-            if (result.IsFailure)
-            {
-                return result;
-            }
-
-            return _invoke(ref context, _processor, runtimeMetadata, inRawData, ref outHeader);
+            return result.IsFailure ? result : _invoke(ref context, _processor, runtimeMetadata, inRawData, ref outHeader);
         }
 
         public static void GetCmifOutHeaderPointer(ref Span<CmifOutHeader> outHeader, ref Span<byte> outRawData)

Ryujinx.Horizon/Sdk/Sf/CommandSerialization.cs

@@ -53,7 +53,7 @@ namespace Ryujinx.Horizon.Sdk.Sf
 
         public static void SerializeArg<T>(Span<byte> outRawData, int offset, T value) where T : unmanaged
         {
-            MemoryMarshal.Cast<byte, T>(outRawData.Slice(offset, Unsafe.SizeOf<T>()))[0] = (T)value;
+            MemoryMarshal.Cast<byte, T>(outRawData.Slice(offset, Unsafe.SizeOf<T>()))[0] = value;
         }
 
         public static void SerializeCopyHandle(HipcMessageData response, int index, int value)

Ryujinx.Horizon/Sdk/Sf/HipcCommandProcessor.cs

@@ -41,10 +41,8 @@ namespace Ryujinx.Horizon.Sdk.Sf
         {
             _args = args;
 
-            for (int i = 0; i < args.Length; i++)
+            foreach (CommandArg argInfo in args)
             {
-                var argInfo = args[i];
-
                 switch (argInfo.Type)
                 {
                     case CommandArgType.Buffer:
@@ -239,15 +237,14 @@ namespace Ryujinx.Horizon.Sdk.Sf
             {
                 return mode == HipcBufferMode.NonSecure;
             }
-            else if (flags.HasFlag(HipcBufferFlags.MapTransferAllowsNonDevice))
+
+            if (flags.HasFlag(HipcBufferFlags.MapTransferAllowsNonDevice))
             {
                 return mode == HipcBufferMode.NonDevice;
             }
-            else
-            {
+
             return mode == HipcBufferMode.Normal;
         }
-        }
 
         public void SetOutBuffers(HipcMessageData response, bool[] isBufferMapAlias)
         {
@@ -261,8 +258,11 @@ namespace Ryujinx.Horizon.Sdk.Sf
                 }
 
                 var flags = _args[i].BufferFlags;
-                if (flags.HasFlag(HipcBufferFlags.Out))
+                if (!flags.HasFlag(HipcBufferFlags.Out))
                 {
+                    continue;
+                }
+
                 var buffer = _bufferRanges[i];
 
                 if (flags.HasFlag(HipcBufferFlags.Pointer))
@@ -284,7 +284,6 @@ namespace Ryujinx.Horizon.Sdk.Sf
                 recvPointerIndex++;
             }
         }
-        }
 
         public override void SetImplementationProcessor(ServerMessageProcessor impl)
         {
@@ -339,16 +338,18 @@ namespace Ryujinx.Horizon.Sdk.Sf
 
             int inObjectIndex = 0;
 
-            for (int i = 0; i < _args.Length; i++)
+            foreach (CommandArg t in _args)
             {
-                if (_args[i].Type == CommandArgType.InObject)
+                if (t.Type != CommandArgType.InObject)
                 {
+                    continue;
+                }
+
                 int index    = inObjectIndex++;
                 var inObject = inObjects[index];
 
                 objects[index] = inObject?.ServiceObject;
             }
-            }
 
             return Result.Success;
         }

Ryujinx.Horizon/Sm/Impl/ServiceManager.cs

@@ -37,12 +37,7 @@ namespace Ryujinx.Horizon.Sm.Impl
 
             result = GetServiceImpl(out handle, ref _services[serviceIndex]);
 
-            if (result == KernelResult.SessionCountExceeded)
-            {
-                return SmResult.OutOfSessions;
-            }
-
-            return result;
+            return result == KernelResult.SessionCountExceeded ? SmResult.OutOfSessions : result;
         }
 
         private Result GetServiceImpl(out int handle, ref ServiceInfo serviceInfo)
@@ -61,13 +56,7 @@ namespace Ryujinx.Horizon.Sm.Impl
             }
 
             // TODO: Validation with GetProcessInfo etc.
-
-            if (HasServiceInfo(name))
-            {
-                return SmResult.AlreadyRegistered;
-            }
-
-            return RegisterServiceImpl(out handle, processId, name, maxSessions, isLight);
+            return HasServiceInfo(name) ? SmResult.AlreadyRegistered : RegisterServiceImpl(out handle, processId, name, maxSessions, isLight);
         }
 
         public Result RegisterServiceForSelf(out int handle, ServiceName name, int maxSessions)

Ryujinx.Ui.Common/App/ApplicationJsonSerializerContext.cs

@@ -1,10 +0,0 @@
-using System.Text.Json.Serialization;
-
-namespace Ryujinx.Ui.App.Common
-{
-    [JsonSourceGenerationOptions(WriteIndented = true)]
-    [JsonSerializable(typeof(ApplicationMetadata))]
-    internal partial class ApplicationJsonSerializerContext : JsonSerializerContext
-    {
-    }
-}

Ryujinx.Ui.Common/App/ApplicationLibrary.cs

@@ -10,7 +10,6 @@ using LibHac.Tools.FsSystem;
 using LibHac.Tools.FsSystem.NcaUtils;
 using Ryujinx.Common.Configuration;
 using Ryujinx.Common.Logging;
-using Ryujinx.Common.Utilities;
 using Ryujinx.HLE.FileSystem;
 using Ryujinx.HLE.HOS;
 using Ryujinx.HLE.HOS.SystemState;
@@ -23,6 +22,7 @@ using System.Reflection;
 using System.Text;
 using System.Text.Json;
 using System.Threading;
+using JsonHelper = Ryujinx.Common.Utilities.JsonHelper;
 using Path = System.IO.Path;
 
 namespace Ryujinx.Ui.App.Common
@@ -42,8 +42,6 @@ namespace Ryujinx.Ui.App.Common
         private Language                   _desiredTitleLanguage;
         private CancellationTokenSource    _cancellationToken;
 
-        private static readonly ApplicationJsonSerializerContext SerializerContext = new(JsonHelper.GetDefaultSerializerOptions());
-
         public ApplicationLibrary(VirtualFileSystem virtualFileSystem)
         {
             _virtualFileSystem = virtualFileSystem;
@@ -492,12 +490,14 @@ namespace Ryujinx.Ui.App.Common
 
                 appMetadata = new ApplicationMetadata();
 
-                JsonHelper.SerializeToFile(metadataFile, appMetadata, SerializerContext.ApplicationMetadata);
+                using FileStream stream = File.Create(metadataFile, 4096, FileOptions.WriteThrough);
+
+                JsonHelper.Serialize(stream, appMetadata, true);
             }
 
             try
             {
-                appMetadata = JsonHelper.DeserializeFromFile(metadataFile, SerializerContext.ApplicationMetadata);
+                appMetadata = JsonHelper.DeserializeFromFile<ApplicationMetadata>(metadataFile);
             }
             catch (JsonException)
             {
@@ -510,7 +510,9 @@ namespace Ryujinx.Ui.App.Common
             {
                 modifyFunction(appMetadata);
 
-                JsonHelper.SerializeToFile(metadataFile, appMetadata, SerializerContext.ApplicationMetadata);
+                using FileStream stream = File.Create(metadataFile, 4096, FileOptions.WriteThrough);
+
+                JsonHelper.Serialize(stream, appMetadata, true);
             }
 
             return appMetadata;

Ryujinx.Ui.Common/Configuration/AudioBackend.cs

@@ -1,9 +1,5 @@
-using Ryujinx.Common.Utilities;
-using System.Text.Json.Serialization;
-
-namespace Ryujinx.Ui.Common.Configuration
+namespace Ryujinx.Ui.Common.Configuration
 {
-    [JsonConverter(typeof(TypedStringEnumConverter<AudioBackend>))]
     public enum AudioBackend
     {
         Dummy,

Ryujinx.Ui.Common/Configuration/ConfigurationFileFormat.cs

@@ -5,7 +5,7 @@ using Ryujinx.Common.Utilities;
 using Ryujinx.Ui.Common.Configuration.System;
 using Ryujinx.Ui.Common.Configuration.Ui;
 using System.Collections.Generic;
-using System.Text.Json.Nodes;
+using System.IO;
 
 namespace Ryujinx.Ui.Common.Configuration
 {
@@ -321,14 +321,14 @@ namespace Ryujinx.Ui.Common.Configuration
         /// </summary>
         /// <remarks>Kept for file format compatibility (to avoid possible failure when parsing configuration on old versions)</remarks>
         /// TODO: Remove this when those older versions aren't in use anymore.
-        public List<JsonObject> KeyboardConfig { get; set; }
+        public List<object> KeyboardConfig { get; set; }
 
         /// <summary>
         /// Legacy controller control bindings
         /// </summary>
         /// <remarks>Kept for file format compatibility (to avoid possible failure when parsing configuration on old versions)</remarks>
         /// TODO: Remove this when those older versions aren't in use anymore.
-        public List<JsonObject> ControllerConfig { get; set; }
+        public List<object> ControllerConfig { get; set; }
 
         /// <summary>
         /// Input configurations
@@ -354,12 +354,11 @@ namespace Ryujinx.Ui.Common.Configuration
         /// Loads a configuration file from disk
         /// </summary>
         /// <param name="path">The path to the JSON configuration file</param>
-        /// <param name="configurationFileFormat">Parsed configuration file</param>
         public static bool TryLoad(string path, out ConfigurationFileFormat configurationFileFormat)
         {
             try
             {
-                configurationFileFormat = JsonHelper.DeserializeFromFile(path, ConfigurationFileFormatSettings.SerializerContext.ConfigurationFileFormat);
+                configurationFileFormat = JsonHelper.DeserializeFromFile<ConfigurationFileFormat>(path);
 
                 return configurationFileFormat.Version != 0;
             }
@@ -377,7 +376,8 @@ namespace Ryujinx.Ui.Common.Configuration
         /// <param name="path">The path to the JSON configuration file</param>
         public void SaveConfig(string path)
         {
-            JsonHelper.SerializeToFile(path, this, ConfigurationFileFormatSettings.SerializerContext.ConfigurationFileFormat);
+            using FileStream fileStream = File.Create(path, 4096, FileOptions.WriteThrough);
+            JsonHelper.Serialize(fileStream, this, true);
         }
     }
 }

Ryujinx.Ui.Common/Configuration/ConfigurationFileFormatSettings.cs

@@ -1,9 +0,0 @@
-using Ryujinx.Common.Utilities;
-
-namespace Ryujinx.Ui.Common.Configuration
-{
-    internal static class ConfigurationFileFormatSettings
-    {
-        public static readonly ConfigurationJsonSerializerContext SerializerContext = new(JsonHelper.GetDefaultSerializerOptions());
-    }
-}

Ryujinx.Ui.Common/Configuration/ConfigurationJsonSerializerContext.cs

@@ -1,10 +0,0 @@
-using System.Text.Json.Serialization;
-
-namespace Ryujinx.Ui.Common.Configuration
-{
-    [JsonSourceGenerationOptions(WriteIndented = true)]
-    [JsonSerializable(typeof(ConfigurationFileFormat))]
-    internal partial class ConfigurationJsonSerializerContext : JsonSerializerContext
-    {
-    }
-}

Ryujinx.Ui.Common/Configuration/ConfigurationState.cs

@@ -9,7 +9,6 @@ using Ryujinx.Ui.Common.Configuration.Ui;
 using Ryujinx.Ui.Common.Helper;
 using System;
 using System.Collections.Generic;
-using System.Text.Json.Nodes;
 
 namespace Ryujinx.Ui.Common.Configuration
 {
@@ -632,8 +631,8 @@ namespace Ryujinx.Ui.Common.Configuration
                 EnableKeyboard             = Hid.EnableKeyboard,
                 EnableMouse                = Hid.EnableMouse,
                 Hotkeys                    = Hid.Hotkeys,
-                KeyboardConfig             = new List<JsonObject>(),
-                ControllerConfig           = new List<JsonObject>(),
+                KeyboardConfig             = new List<object>(),
+                ControllerConfig           = new List<object>(),
                 InputConfig                = Hid.InputConfig,
                 GraphicsBackend            = Graphics.GraphicsBackend,
                 PreferredGpu               = Graphics.PreferredGpu

Ryujinx.Ui.Common/Configuration/System/Language.cs

@@ -1,9 +1,5 @@
-using Ryujinx.Common.Utilities;
-using System.Text.Json.Serialization;
-
-namespace Ryujinx.Ui.Common.Configuration.System
+namespace Ryujinx.Ui.Common.Configuration.System
 {
-    [JsonConverter(typeof(TypedStringEnumConverter<Language>))]
     public enum Language
     {
         Japanese,

Ryujinx.Ui.Common/Configuration/System/Region.cs

@@ -1,9 +1,5 @@
-using Ryujinx.Common.Utilities;
-using System.Text.Json.Serialization;
-
-namespace Ryujinx.Ui.Common.Configuration.System
+namespace Ryujinx.Ui.Common.Configuration.System
 {
-    [JsonConverter(typeof(TypedStringEnumConverter<Region>))]
     public enum Region
     {
         Japan,

Ryujinx.Ui.Common/Models/Amiibo/AmiiboApi.cs

@@ -1,57 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Text.Json.Serialization;
-
-namespace Ryujinx.Ui.Common.Models.Amiibo
-{
-    public struct AmiiboApi : IEquatable<AmiiboApi>
-    {
-        [JsonPropertyName("name")]
-        public string Name { get; set; }
-        [JsonPropertyName("head")]
-        public string Head { get; set; }
-        [JsonPropertyName("tail")]
-        public string Tail { get; set; }
-        [JsonPropertyName("image")]
-        public string Image { get; set; }
-        [JsonPropertyName("amiiboSeries")]
-        public string AmiiboSeries { get; set; }
-        [JsonPropertyName("character")]
-        public string Character { get; set; }
-        [JsonPropertyName("gameSeries")]
-        public string GameSeries { get; set; }
-        [JsonPropertyName("type")]
-        public string Type { get; set; }
-
-        [JsonPropertyName("release")]
-        public Dictionary<string, string> Release { get; set; }
-
-        [JsonPropertyName("gamesSwitch")]
-        public List<AmiiboApiGamesSwitch> GamesSwitch { get; set; }
-
-        public override string ToString()
-        {
-            return Name;
-        }
-
-        public string GetId()
-        {
-            return Head + Tail;
-        }
-
-        public bool Equals(AmiiboApi other)
-        {
-            return Head + Tail == other.Head + other.Tail;
-        }
-
-        public override bool Equals(object obj)
-        {
-            return obj is AmiiboApi other && Equals(other);
-        }
-
-        public override int GetHashCode()
-        {
-            return HashCode.Combine(Head, Tail);
-        }
-    }
-}

Ryujinx.Ui.Common/Models/Amiibo/AmiiboApiGamesSwitch.cs

@@ -1,15 +0,0 @@
-using System.Collections.Generic;
-using System.Text.Json.Serialization;
-
-namespace Ryujinx.Ui.Common.Models.Amiibo
-{
-    public class AmiiboApiGamesSwitch
-    {
-        [JsonPropertyName("amiiboUsage")]
-        public List<AmiiboApiUsage> AmiiboUsage { get; set; }
-        [JsonPropertyName("gameID")]
-        public List<string> GameId { get; set; }
-        [JsonPropertyName("gameName")]
-        public string GameName { get; set; }
-    }
-}

Ryujinx.Ui.Common/Models/Amiibo/AmiiboApiUsage.cs

@@ -1,12 +0,0 @@
-using System.Text.Json.Serialization;
-
-namespace Ryujinx.Ui.Common.Models.Amiibo
-{
-    public class AmiiboApiUsage
-    {
-        [JsonPropertyName("Usage")]
-        public string Usage { get; set; }
-        [JsonPropertyName("write")]
-        public bool Write { get; set; }
-    }
-}

Ryujinx.Ui.Common/Models/Amiibo/AmiiboJson.cs

@@ -1,14 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Text.Json.Serialization;
-
-namespace Ryujinx.Ui.Common.Models.Amiibo
-{
-    public struct AmiiboJson
-    {
-        [JsonPropertyName("amiibo")]
-        public List<AmiiboApi> Amiibo { get; set; }
-        [JsonPropertyName("lastUpdated")]
-        public DateTime LastUpdated { get; set; }
-    }
-}

Ryujinx.Ui.Common/Models/Amiibo/AmiiboJsonSerializerContext.cs

@@ -1,9 +0,0 @@
-using System.Text.Json.Serialization;
-
-namespace Ryujinx.Ui.Common.Models.Amiibo
-{
-    [JsonSerializable(typeof(AmiiboJson))]
-    public partial class AmiiboJsonSerializerContext : JsonSerializerContext
-    {
-    }
-}

Ryujinx.Ui.Common/Models/Github/GithubReleaseAssetJsonResponse.cs

@@ -1,9 +0,0 @@
-namespace Ryujinx.Ui.Common.Models.Github
-{
-    public class GithubReleaseAssetJsonResponse
-    {
-        public string Name { get; set; }
-        public string State { get; set; }
-        public string BrowserDownloadUrl { get; set; }
-    }
-}

Ryujinx.Ui.Common/Models/Github/GithubReleasesJsonResponse.cs

@@ -1,10 +0,0 @@
-using System.Collections.Generic;
-
-namespace Ryujinx.Ui.Common.Models.Github
-{
-    public class GithubReleasesJsonResponse
-    {
-        public string Name { get; set; }
-        public List<GithubReleaseAssetJsonResponse> Assets { get; set; }
-    }
-}

Ryujinx.Ui.Common/Models/Github/GithubReleasesJsonSerializerContext.cs

@@ -1,9 +0,0 @@
-using System.Text.Json.Serialization;
-
-namespace Ryujinx.Ui.Common.Models.Github
-{
-    [JsonSerializable(typeof(GithubReleasesJsonResponse), GenerationMode = JsonSourceGenerationMode.Metadata)]
-    public partial class GithubReleasesJsonSerializerContext : JsonSerializerContext
-    {
-    }
-}

Ryujinx/Modules/Updater/Updater.cs

@@ -2,14 +2,14 @@ using Gtk;
 using ICSharpCode.SharpZipLib.GZip;
 using ICSharpCode.SharpZipLib.Tar;
 using ICSharpCode.SharpZipLib.Zip;
+using Newtonsoft.Json.Linq;
 using Ryujinx.Common;
 using Ryujinx.Common.Logging;
-using Ryujinx.Common.Utilities;
 using Ryujinx.Ui;
-using Ryujinx.Ui.Common.Models.Github;
 using Ryujinx.Ui.Widgets;
 using System;
 using System.Collections.Generic;
+using System.Diagnostics;
 using System.IO;
 using System.Linq;
 using System.Net;
@@ -38,8 +38,6 @@ namespace Ryujinx.Modules
         private static string _buildUrl;
         private static long   _buildSize;
 
-        private static readonly GithubReleasesJsonSerializerContext SerializerContext = new(JsonHelper.GetDefaultSerializerOptions());
-
         // On Windows, GtkSharp.Dependencies adds these extra dirs that must be cleaned during updates.
         private static readonly string[] WindowsDependencyDirs = new string[] { "bin", "etc", "lib", "share" };
 
@@ -109,16 +107,22 @@ namespace Ryujinx.Modules
 
                 // Fetch latest build information
                 string  fetchedJson = await jsonClient.GetStringAsync(buildInfoURL);
-                var fetched = JsonHelper.Deserialize(fetchedJson, SerializerContext.GithubReleasesJsonResponse);
-                _buildVer = fetched.Name;
+                JObject jsonRoot    = JObject.Parse(fetchedJson);
+                JToken  assets      = jsonRoot["assets"];
 
-                foreach (var asset in fetched.Assets)
-                {
-                    if (asset.Name.StartsWith("ryujinx") && asset.Name.EndsWith(_platformExt))
-                    {
-                        _buildUrl = asset.BrowserDownloadUrl;
+                _buildVer = (string)jsonRoot["name"];
 
-                        if (asset.State != "uploaded")
+                foreach (JToken asset in assets)
+                {
+                    string assetName = (string)asset["name"];
+                    string assetState = (string)asset["state"];
+                    string downloadURL = (string)asset["browser_download_url"];
+
+                    if (assetName.StartsWith("ryujinx") && assetName.EndsWith(_platformExt))
+                    {
+                        _buildUrl = downloadURL;
+
+                        if (assetState != "uploaded")
                         {
                             if (showVersionUpToDate)
                             {

Ryujinx/Ui/Windows/AboutWindow.cs

@@ -31,7 +31,7 @@ namespace Ryujinx.Ui.Windows
             {
                 string patreonJsonString = await httpClient.GetStringAsync("https://patreon.ryujinx.org/");
 
-                _patreonNamesText.Buffer.Text = string.Join(", ", JsonHelper.Deserialize(patreonJsonString, CommonJsonContext.Default.StringArray));
+                _patreonNamesText.Buffer.Text = string.Join(", ", JsonHelper.Deserialize<string[]>(patreonJsonString));
             }
             catch
             {

Ryujinx/Ui/Windows/AmiiboWindow.cs

@@ -3,7 +3,6 @@ using Ryujinx.Common;
 using Ryujinx.Common.Configuration;
 using Ryujinx.Common.Utilities;
 using Ryujinx.Ui.Common.Configuration;
-using Ryujinx.Ui.Common.Models.Amiibo;
 using Ryujinx.Ui.Widgets;
 using System;
 using System.Collections.Generic;
@@ -12,15 +11,65 @@ using System.Linq;
 using System.Net.Http;
 using System.Reflection;
 using System.Text;
-using System.Text.Json;
+using System.Text.Json.Serialization;
 using System.Threading.Tasks;
-using AmiiboApi = Ryujinx.Ui.Common.Models.Amiibo.AmiiboApi;
-using AmiiboJsonSerializerContext = Ryujinx.Ui.Common.Models.Amiibo.AmiiboJsonSerializerContext;
 
 namespace Ryujinx.Ui.Windows
 {
     public partial class AmiiboWindow : Window
     {
+        private struct AmiiboJson
+        {
+            [JsonPropertyName("amiibo")]
+            public List<AmiiboApi> Amiibo { get; set; }
+            [JsonPropertyName("lastUpdated")]
+            public DateTime LastUpdated { get; set; }
+        }
+
+        private struct AmiiboApi
+        {
+            [JsonPropertyName("name")]
+            public string Name { get; set; }
+            [JsonPropertyName("head")]
+            public string Head { get; set; }
+            [JsonPropertyName("tail")]
+            public string Tail { get; set; }
+            [JsonPropertyName("image")]
+            public string Image { get; set; }
+            [JsonPropertyName("amiiboSeries")]
+            public string AmiiboSeries { get; set; }
+            [JsonPropertyName("character")]
+            public string Character { get; set; }
+            [JsonPropertyName("gameSeries")]
+            public string GameSeries { get; set; }
+            [JsonPropertyName("type")]
+            public string Type { get; set; }
+
+            [JsonPropertyName("release")]
+            public Dictionary<string, string> Release { get; set; }
+
+            [JsonPropertyName("gamesSwitch")]
+            public List<AmiiboApiGamesSwitch> GamesSwitch { get; set; }
+        }
+
+        private class AmiiboApiGamesSwitch
+        {
+            [JsonPropertyName("amiiboUsage")]
+            public List<AmiiboApiUsage> AmiiboUsage { get; set; }
+            [JsonPropertyName("gameID")]
+            public List<string> GameId { get; set; }
+            [JsonPropertyName("gameName")]
+            public string GameName { get; set; }
+        }
+
+        private class AmiiboApiUsage
+        {
+            [JsonPropertyName("Usage")]
+            public string Usage { get; set; }
+            [JsonPropertyName("write")]
+            public bool Write { get; set; }
+        }
+
         private const string DEFAULT_JSON = "{ \"amiibo\": [] }";
 
         public string AmiiboId { get; private set; }
@@ -47,8 +96,6 @@ namespace Ryujinx.Ui.Windows
 
         private List<AmiiboApi> _amiiboList;
 
-        private static readonly AmiiboJsonSerializerContext SerializerContext = new(JsonHelper.GetDefaultSerializerOptions());
-
         public AmiiboWindow() : base($"Ryujinx {Program.Version} - Amiibo")
         {
             Icon = new Gdk.Pixbuf(Assembly.GetAssembly(typeof(ConfigurationState)), "Ryujinx.Ui.Common.Resources.Logo_Ryujinx.png");
@@ -80,9 +127,9 @@ namespace Ryujinx.Ui.Windows
 
             if (File.Exists(_amiiboJsonPath))
             {
-                amiiboJsonString = await File.ReadAllTextAsync(_amiiboJsonPath);
+                amiiboJsonString = File.ReadAllText(_amiiboJsonPath);
 
-                if (await NeedsUpdate(JsonHelper.Deserialize(amiiboJsonString, SerializerContext.AmiiboJson).LastUpdated))
+                if (await NeedsUpdate(JsonHelper.Deserialize<AmiiboJson>(amiiboJsonString).LastUpdated))
                 {
                     amiiboJsonString = await DownloadAmiiboJson();
                 }
@@ -101,7 +148,7 @@ namespace Ryujinx.Ui.Windows
                 }
             }
 
-            _amiiboList = JsonHelper.Deserialize(amiiboJsonString, SerializerContext.AmiiboJson).Amiibo;
+            _amiiboList = JsonHelper.Deserialize<AmiiboJson>(amiiboJsonString).Amiibo;
             _amiiboList = _amiiboList.OrderBy(amiibo => amiibo.AmiiboSeries).ToList();
 
             if (LastScannedAmiiboShowAll)

Ryujinx/Ui/Windows/ControllerWindow.cs

@@ -115,8 +115,6 @@ namespace Ryujinx.Ui.Windows
         private bool _mousePressed;
         private bool _middleMousePressed;
 
-        private static readonly InputConfigJsonSerializerContext SerializerContext = new(JsonHelper.GetDefaultSerializerOptions());
-
         public ControllerWindow(MainWindow mainWindow, PlayerIndex controllerId) : this(mainWindow, new Builder("Ryujinx.Ui.Windows.ControllerWindow.glade"), controllerId) { }
 
         private ControllerWindow(MainWindow mainWindow, Builder builder, PlayerIndex controllerId) : base(builder.GetRawOwnedObject("_controllerWin"))
@@ -1122,7 +1120,10 @@ namespace Ryujinx.Ui.Windows
 
                 try
                 {
-                    config = JsonHelper.DeserializeFromFile(path, SerializerContext.InputConfig);
+                    using (Stream stream = File.OpenRead(path))
+                    {
+                        config = JsonHelper.Deserialize<InputConfig>(stream);
+                    }
                 }
                 catch (JsonException) { }
             }
@@ -1144,7 +1145,9 @@ namespace Ryujinx.Ui.Windows
             if (profileDialog.Run() == (int)ResponseType.Ok)
             {
                 string path = System.IO.Path.Combine(GetProfileBasePath(), profileDialog.FileName);
-                string jsonString = JsonHelper.Serialize(inputConfig, SerializerContext.InputConfig);
+                string jsonString;
+
+                jsonString = JsonHelper.Serialize(inputConfig, true);
 
                 File.WriteAllText(path, jsonString);
             }

Ryujinx/Ui/Windows/DlcWindow.cs

@@ -7,13 +7,15 @@ using LibHac.Tools.Fs;
 using LibHac.Tools.FsSystem;
 using LibHac.Tools.FsSystem.NcaUtils;
 using Ryujinx.Common.Configuration;
-using Ryujinx.Common.Utilities;
 using Ryujinx.HLE.FileSystem;
 using Ryujinx.Ui.Widgets;
 using System;
 using System.Collections.Generic;
 using System.IO;
+using System.Text;
+
 using GUI        = Gtk.Builder.ObjectAttribute;
+using JsonHelper = Ryujinx.Common.Utilities.JsonHelper;
 
 namespace Ryujinx.Ui.Windows
 {
@@ -24,8 +26,6 @@ namespace Ryujinx.Ui.Windows
         private readonly string                             _dlcJsonPath;
         private readonly List<DownloadableContentContainer> _dlcContainerList;
 
-        private static readonly DownloadableContentJsonSerializerContext SerializerContext = new(JsonHelper.GetDefaultSerializerOptions());
-
 #pragma warning disable CS0649, IDE0044
         [GUI] Label         _baseTitleInfoLabel;
         [GUI] TreeView      _dlcTreeView;
@@ -45,7 +45,7 @@ namespace Ryujinx.Ui.Windows
 
             try
             {
-                _dlcContainerList = JsonHelper.DeserializeFromFile(_dlcJsonPath, SerializerContext.ListDownloadableContentContainer);
+                _dlcContainerList = JsonHelper.DeserializeFromFile<List<DownloadableContentContainer>>(_dlcJsonPath);
             }
             catch
             {
@@ -260,7 +260,10 @@ namespace Ryujinx.Ui.Windows
                 while (_dlcTreeView.Model.IterNext(ref parentIter));
             }
 
-            JsonHelper.SerializeToFile(_dlcJsonPath, _dlcContainerList, SerializerContext.ListDownloadableContentContainer);
+            using (FileStream dlcJsonStream = File.Create(_dlcJsonPath, 4096, FileOptions.WriteThrough))
+            {
+                dlcJsonStream.Write(Encoding.UTF8.GetBytes(JsonHelper.Serialize(_dlcContainerList, true)));
+            }
 
             Dispose();
         }

Ryujinx/Ui/Windows/TitleUpdateWindow.cs

@@ -7,7 +7,6 @@ using LibHac.Ns;
 using LibHac.Tools.FsSystem;
 using LibHac.Tools.FsSystem.NcaUtils;
 using Ryujinx.Common.Configuration;
-using Ryujinx.Common.Utilities;
 using Ryujinx.HLE.FileSystem;
 using Ryujinx.HLE.HOS;
 using Ryujinx.Ui.Widgets;
@@ -15,8 +14,10 @@ using System;
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
+using System.Text;
+
 using GUI        = Gtk.Builder.ObjectAttribute;
-using SpanHelpers = LibHac.Common.SpanHelpers;
+using JsonHelper = Ryujinx.Common.Utilities.JsonHelper;
 
 namespace Ryujinx.Ui.Windows
 {
@@ -30,7 +31,6 @@ namespace Ryujinx.Ui.Windows
         private TitleUpdateMetadata _titleUpdateWindowData;
 
         private readonly Dictionary<RadioButton, string> _radioButtonToPathDictionary;
-        private static readonly TitleUpdateMetadataJsonSerializerContext SerializerContext = new(JsonHelper.GetDefaultSerializerOptions());
 
 #pragma warning disable CS0649, IDE0044
         [GUI] Label       _baseTitleInfoLabel;
@@ -53,7 +53,7 @@ namespace Ryujinx.Ui.Windows
 
             try
             {
-                _titleUpdateWindowData = JsonHelper.DeserializeFromFile(_updateJsonPath, SerializerContext.TitleUpdateMetadata);
+                _titleUpdateWindowData = JsonHelper.DeserializeFromFile<TitleUpdateMetadata>(_updateJsonPath);
             }
             catch
             {
@@ -192,7 +192,10 @@ namespace Ryujinx.Ui.Windows
                 }
             }
 
-            JsonHelper.SerializeToFile(_updateJsonPath, _titleUpdateWindowData, SerializerContext.TitleUpdateMetadata);
+            using (FileStream dlcJsonStream = File.Create(_updateJsonPath, 4096, FileOptions.WriteThrough))
+            {
+                dlcJsonStream.Write(Encoding.UTF8.GetBytes(JsonHelper.Serialize(_titleUpdateWindowData, true)));
+            }
 
             _parent.UpdateGameTable();