Implement FPS Limiter (DXVK_FRAME_RATE)

src/XIVLauncher.Common.Unix/Compatibility/CompatibilityTools.cs

@@ -44,6 +44,7 @@ public class CompatibilityTools
     public bool IsToolDownloaded => File.Exists(Wine64Path) && Settings.Prefix.Exists;
 
     private readonly Dxvk.DxvkHudType hudType;
+    private readonly string dxvkFPSLimit;
     private readonly bool gamemodeOn;
     private readonly string dxvkAsyncOn;
 
@@ -183,6 +184,7 @@ private Process RunInPrefix(ProcessStartInfo psi, string workingDirectory = "",
 
         wineEnviromentVariables.Add("DXVK_HUD", dxvkHud);
         wineEnviromentVariables.Add("DXVK_ASYNC", dxvkAsyncOn);
+        wineEnviromentVariables.Add("DXVK_FRAME_RATE", Settings.DxvkFPSLimit);
         wineEnviromentVariables.Add("WINEESYNC", Settings.EsyncOn);
         wineEnviromentVariables.Add("WINEFSYNC", Settings.FsyncOn);
 

src/XIVLauncher.Common.Unix/Compatibility/WineSettings.cs

@@ -19,15 +19,18 @@ public class WineSettings
     public string EsyncOn { get; private set; }
     public string FsyncOn { get; private set; }
 
+    public string DxvkFPSLimit { get; private set; }
+
     public string DebugVars { get; private set; }
     public FileInfo LogFile { get; private set; }
 
     public DirectoryInfo Prefix { get; private set; }
 
-    public WineSettings(WineStartupType? startupType, string customBinPath, string debugVars, FileInfo logFile, DirectoryInfo prefix, bool? esyncOn, bool? fsyncOn)
+    public WineSettings(WineStartupType? startupType, string customBinPath, string debugVars, FileInfo logFile, DirectoryInfo prefix, bool? esyncOn, bool? fsyncOn, string dxvkFPSLimit)
     {
         this.StartupType = startupType ?? WineStartupType.Custom;
         this.CustomBinPath = customBinPath;
+        this.DxvkFPSLimit = dxvkFPSLimit;
         this.EsyncOn = (esyncOn ?? false) ? "1" : "0";
         this.FsyncOn = (fsyncOn ?? false) ? "1" : "0";
         this.DebugVars = debugVars;

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

@@ -1,4 +1,5 @@
 using System.Numerics;
+using System.Text.RegularExpressions;
 using System.Runtime.InteropServices;
 using ImGuiNET;
 using XIVLauncher.Common.Unix.Compatibility;
@@ -51,7 +52,10 @@ public SettingsTabWine()
                     return null;
                 }
             },
-
+            new SettingsEntry<string>("DXVK Frame Limit", "Configure how many frames DXVK should be limited to. Set to 0 for unlimited.", () => Program.Config.DxvkFrameRate ?? "0", s => Program.Config.DxvkFrameRate = s)
+            {
+                CheckValidity = s => Regex.IsMatch(s, @"^\d{1,3}$") ? null : "Please specify a valid integer below 999."
+            },
             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

@@ -72,6 +72,8 @@ public interface ILauncherConfig
 
     public bool? FSyncEnabled { get; set; }
 
+    public string DxvkFrameRate { get; set; }
+
     public Dxvk.DxvkHudType DxvkHudType { get; set; }
 
     public string? WineDebugVars { get; set; }

src/XIVLauncher.Core/Program.cs

@@ -113,6 +113,7 @@ private static void LoadConfig(Storage storage)
 
         Config.GameModeEnabled ??= false;
         Config.DxvkAsyncEnabled ??= true;
+        Config.DxvkFrameRate ??= "0";
         Config.ESyncEnabled ??= true;
         Config.FSyncEnabled ??= false;
 
@@ -276,7 +277,8 @@ public static void CreateCompatToolsInstance()
     {
         var wineLogFile = new FileInfo(Path.Combine(storage.GetFolder("logs").FullName, "wine.log"));
         var winePrefix = storage.GetFolder("wineprefix");
-        var wineSettings = new WineSettings(Config.WineStartupType, Config.WineBinaryPath, Config.WineDebugVars, wineLogFile, winePrefix, Config.ESyncEnabled, Config.FSyncEnabled);
+        var wineSettings = new WineSettings(Config.WineStartupType, Config.WineBinaryPath, Config.WineDebugVars, wineLogFile, winePrefix, Config.ESyncEnabled, Config.FSyncEnabled,
+            Config.DxvkFrameRate);
         var toolsFolder = storage.GetFolder("compatibilitytool");
         CompatibilityTools = new CompatibilityTools(wineSettings, Config.DxvkHudType, Config.GameModeEnabled, Config.DxvkAsyncEnabled, toolsFolder);
     }