feat: add DXVK settings tab

* removed a few settings from wine tab
* Added dxvk settings to launcher.ini
* Updated CreateCompatToolsInstance to work with new dxvkSettings
* Requires PR#1205 from FFXIVQuickLauncher
* Suggest doing PR#13, #15 on xlcore, for better look and feel.

src/XIVLauncher.Core/Components/SettingsPage/SettingsPage.cs

@@ -11,6 +11,7 @@ public class SettingsPage : Page
         new SettingsTabGame(),
         new SettingsTabPatching(),
         new SettingsTabWine(),
+        new SettingsTabDXVK(),
         new SettingsTabDalamud(),
         new SettingsTabAutoStart(),
         new SettingsTabAbout(),

src/XIVLauncher.Core/Components/SettingsPage/Tabs/SettingsTabDXVK.cs

@@ -0,0 +1,66 @@
+using System.Numerics;
+using System.Runtime.InteropServices;
+using ImGuiNET;
+using XIVLauncher.Common.Unix.Compatibility;
+using XIVLauncher.Common.Util;
+
+namespace XIVLauncher.Core.Components.SettingsPage.Tabs;
+
+public class SettingsTabDXVK : SettingsTab
+{
+    private SettingsEntry<Dxvk.DxvkHudType> dxvkHudSetting;
+
+    public SettingsTabDXVK()
+    {
+        Entries = new SettingsEntry[]
+        {
+            new SettingsEntry<Dxvk.DxvkVersion>("DXVK Version", "Choose which version of DXVK to use.", () => Program.Config.DxvkVersion, type => Program.Config.DxvkVersion = type),
+            new SettingsEntry<bool>("Enable DXVK ASYNC", "Enable DXVK ASYNC patch.", () => Program.Config.DxvkAsyncEnabled ?? true, b => Program.Config.DxvkAsyncEnabled = b),
+            dxvkHudSetting = new SettingsEntry<Dxvk.DxvkHudType>("DXVK Overlay", "DXVK Hud is included. MangoHud must be installed separately.\nFlatpak XIVLauncher needs flatpak MangoHud.", () => Program.Config.DxvkHudType, type => Program.Config.DxvkHudType = type)
+            {
+                CheckValidity = type =>
+                {
+                    if ((type == Dxvk.DxvkHudType.MangoHud || type == Dxvk.DxvkHudType.MangoHudCustom || type == Dxvk.DxvkHudType.MangoHudFull)
+                        && (!File.Exists("/usr/lib/mangohud/libMangoHud.so") && !File.Exists("/usr/lib/extensions/vulkan/MangoHud/lib/x86_64-linux-gnu/libMangoHud.so")))
+                        return "MangoHud not detected.";
+
+                    return null;
+                }
+            },
+            new SettingsEntry<string>("DXVK Hud Custom String", "Set a custom string for the built in DXVK Hud. Warning: If it's invalid, the game may hang.", () => Program.Config.DxvkHudCustom, s => Program.Config.DxvkHudCustom = s)
+            {
+                CheckVisibility = () => dxvkHudSetting.Value == Dxvk.DxvkHudType.Custom,
+                CheckWarning = s =>
+                {
+                    if(!DxvkSettings.CheckDxvkHudString(s))
+                        return "That's not a valid hud string";
+                    return null;
+                },
+            },
+            new SettingsEntry<string>("MangoHud Custom Path", "Set a custom path for MangoHud config file.", () => Program.Config.DxvkMangoCustom, s => Program.Config.DxvkMangoCustom = s)
+            {
+                CheckVisibility = () => dxvkHudSetting.Value == Dxvk.DxvkHudType.MangoHudCustom,
+                CheckWarning = s =>
+                {
+                    if(!DxvkSettings.CheckMangoHudPath(s))
+                        return "That's not a valid file.";
+                    return null;
+                },
+            },
+            new NumericSettingsEntry("Frame Rate Limit", "Set a frame rate limit, and DXVK will try not exceed it. Use 0 to leave unset.", () => Program.Config.DxvkFrameRate ?? 0, i => Program.Config.DxvkFrameRate = i, 0, 1000),
+        };
+    }
+
+    public override SettingsEntry[] Entries { get; }
+
+    public override bool IsUnixExclusive => true;
+
+    public override string Title => "DXVK";
+
+    public override void Save()
+    {
+        base.Save();
+        if (!RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
+            Program.CreateCompatToolsInstance();
+    }
+}

src/XIVLauncher.Core/Components/SettingsPage/Tabs/SettingsTabWine.cs

@@ -36,7 +36,6 @@ public SettingsTabWine()
                 }
             },
 
-            new SettingsEntry<bool>("Enable DXVK ASYNC", "Enable DXVK ASYNC patch.", () => Program.Config.DxvkAsyncEnabled ?? true, b => Program.Config.DxvkAsyncEnabled = b),
             new SettingsEntry<bool>("Enable ESync", "Enable eventfd-based synchronization.", () => Program.Config.ESyncEnabled ?? true, b => Program.Config.ESyncEnabled = b),
             new SettingsEntry<bool>("Enable FSync", "Enable fast user mutex (futex2).", () => Program.Config.FSyncEnabled ?? true, b => Program.Config.FSyncEnabled = b)
             {
@@ -50,7 +49,6 @@ public SettingsTabWine()
                 }
             },
 
-            new SettingsEntry<Dxvk.DxvkHudType>("DXVK Overlay", "Configure how much of the DXVK overlay is to be shown.", () => Program.Config.DxvkHudType, type => Program.Config.DxvkHudType = type),
             new SettingsEntry<string>("WINEDEBUG Variables", "Configure debug logging for wine. Useful for troubleshooting.", () => Program.Config.WineDebugVars ?? string.Empty, s => Program.Config.WineDebugVars = s)
         };
     }

src/XIVLauncher.Core/Configuration/ILauncherConfig.cs

@@ -66,14 +66,22 @@ public interface ILauncherConfig
 
     public bool? GameModeEnabled { get; set; }
 
+    public Dxvk.DxvkVersion DxvkVersion { get; set; }
+
     public bool? DxvkAsyncEnabled { get; set; }
 
+    public int? DxvkFrameRate { get; set; }
+
     public bool? ESyncEnabled { get; set; }
 
     public bool? FSyncEnabled { get; set; }
 
     public Dxvk.DxvkHudType DxvkHudType { get; set; }
 
+    public string? DxvkHudCustom { get; set; }
+
+    public string? DxvkMangoCustom { get; set; }
+
     public string? WineDebugVars { get; set; }
 
     #endregion

src/XIVLauncher.Core/Program.cs

@@ -108,8 +108,11 @@ private static void LoadConfig(Storage storage)
 
         Config.GameModeEnabled ??= false;
         Config.DxvkAsyncEnabled ??= true;
+        Config.DxvkFrameRate ??= 0;
         Config.ESyncEnabled ??= true;
         Config.FSyncEnabled ??= false;
+        Config.DxvkHudCustom ??= "fps,frametimes,gpuload,version";
+        Config.DxvkMangoCustom ??= Environment.GetEnvironmentVariable("HOME") + "/.config/MangoHud/MangoHud.conf";
 
         Config.WineStartupType ??= WineStartupType.Managed;
         Config.WineBinaryPath ??= "/usr/bin";
@@ -275,7 +278,8 @@ public static void CreateCompatToolsInstance()
         var winePrefix = storage.GetFolder("wineprefix");
         var wineSettings = new WineSettings(Config.WineStartupType, Config.WineBinaryPath, Config.WineDebugVars, wineLogFile, winePrefix, Config.ESyncEnabled, Config.FSyncEnabled);
         var toolsFolder = storage.GetFolder("compatibilitytool");
-        CompatibilityTools = new CompatibilityTools(wineSettings, Config.DxvkHudType, Config.GameModeEnabled, Config.DxvkAsyncEnabled, toolsFolder);
+        var dxvkSettings = new DxvkSettings(Config.DxvkHudType, Config.DxvkHudCustom, Config.DxvkMangoCustom, Config.DxvkAsyncEnabled, Config.DxvkFrameRate, Config.DxvkVersion, storage.Root);
+        CompatibilityTools = new CompatibilityTools(wineSettings, dxvkSettings, Config.GameModeEnabled, toolsFolder);
     }
 
     public static void ShowWindow()