1 files changed, 378 insertions, 0 deletions
diff --git a/src/Ryujinx.Gtk3/Program.cs b/src/Ryujinx.Gtk3/Program.cs
new file mode 100644
index 00000000..1845c512
--- /dev/null
+++ b/src/Ryujinx.Gtk3/Program.cs
@@ -0,0 +1,378 @@
+using Gtk;
+using Ryujinx.Common;
+using Ryujinx.Common.Configuration;
+using Ryujinx.Common.GraphicsDriver;
+using Ryujinx.Common.Logging;
+using Ryujinx.Common.SystemInterop;
+using Ryujinx.Modules;
+using Ryujinx.SDL2.Common;
+using Ryujinx.UI;
+using Ryujinx.UI.Common;
+using Ryujinx.UI.Common.Configuration;
+using Ryujinx.UI.Common.Helper;
+using Ryujinx.UI.Common.SystemInfo;
+using Ryujinx.UI.Widgets;
+using SixLabors.ImageSharp.Formats.Jpeg;
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.IO;
+using System.Runtime.InteropServices;
+using System.Threading.Tasks;
+
+namespace Ryujinx
+{
+    partial class Program
+    {
+        public static double WindowScaleFactor { get; private set; }
+
+        public static string Version { get; private set; }
+
+        public static string ConfigurationPath { get; set; }
+
+        public static string CommandLineProfile { get; set; }
+
+        private const string X11LibraryName = "libX11";
+
+        [LibraryImport(X11LibraryName)]
+        private static partial int XInitThreads();
+
+        [LibraryImport("user32.dll", SetLastError = true)]
+        public static partial int MessageBoxA(IntPtr hWnd, [MarshalAs(UnmanagedType.LPStr)] string text, [MarshalAs(UnmanagedType.LPStr)] string caption, uint type);
+
+        [LibraryImport("libc", SetLastError = true)]
+        private static partial int setenv([MarshalAs(UnmanagedType.LPStr)] string name, [MarshalAs(UnmanagedType.LPStr)] string value, int overwrite);
+
+        private const uint MbIconWarning = 0x30;
+
+        static Program()
+        {
+            if (OperatingSystem.IsLinux())
+            {
+                NativeLibrary.SetDllImportResolver(typeof(Program).Assembly, (name, assembly, path) =>
+                {
+                    if (name != X11LibraryName)
+                    {
+                        return IntPtr.Zero;
+                    }
+
+                    if (!NativeLibrary.TryLoad("libX11.so.6", assembly, path, out IntPtr result))
+                    {
+                        if (!NativeLibrary.TryLoad("libX11.so", assembly, path, out result))
+                        {
+                            return IntPtr.Zero;
+                        }
+                    }
+
+                    return result;
+                });
+            }
+        }
+
+        static void Main(string[] args)
+        {
+            Version = ReleaseInformation.Version;
+
+            if (OperatingSystem.IsWindows() && !OperatingSystem.IsWindowsVersionAtLeast(10, 0, 17134))
+            {
+                MessageBoxA(IntPtr.Zero, "You are running an outdated version of Windows.\n\nStarting on June 1st 2022, Ryujinx will only support Windows 10 1803 and newer.\n", $"Ryujinx {Version}", MbIconWarning);
+            }
+
+            // Parse arguments
+            CommandLineState.ParseArguments(args);
+
+            // Hook unhandled exception and process exit events.
+            GLib.ExceptionManager.UnhandledException += (GLib.UnhandledExceptionArgs e) => ProcessUnhandledException(e.ExceptionObject as Exception, e.IsTerminating);
+            AppDomain.CurrentDomain.UnhandledException += (object sender, UnhandledExceptionEventArgs e) => ProcessUnhandledException(e.ExceptionObject as Exception, e.IsTerminating);
+            AppDomain.CurrentDomain.ProcessExit += (object sender, EventArgs e) => Exit();
+
+            // Make process DPI aware for proper window sizing on high-res screens.
+            ForceDpiAware.Windows();
+            WindowScaleFactor = ForceDpiAware.GetWindowScaleFactor();
+
+            // Delete backup files after updating.
+            Task.Run(Updater.CleanupUpdate);
+
+            Console.Title = $"Ryujinx Console {Version}";
+
+            // NOTE: GTK3 doesn't init X11 in a multi threaded way.
+            // This ends up causing race condition and abort of XCB when a context is created by SPB (even if SPB do call XInitThreads).
+            if (OperatingSystem.IsLinux())
+            {
+                if (XInitThreads() == 0)
+                {
+                    throw new NotSupportedException("Failed to initialize multi-threading support.");
+                }
+
+                Environment.SetEnvironmentVariable("GDK_BACKEND", "x11");
+                setenv("GDK_BACKEND", "x11", 1);
+            }
+
+            if (OperatingSystem.IsMacOS())
+            {
+                string baseDirectory = Path.GetDirectoryName(AppDomain.CurrentDomain.BaseDirectory);
+                string resourcesDataDir;
+
+                if (Path.GetFileName(baseDirectory) == "MacOS")
+                {
+                    resourcesDataDir = Path.Combine(Directory.GetParent(baseDirectory).FullName, "Resources");
+                }
+                else
+                {
+                    resourcesDataDir = baseDirectory;
+                }
+
+                static void SetEnvironmentVariableNoCaching(string key, string value)
+                {
+                    int res = setenv(key, value, 1);
+                    Debug.Assert(res != -1);
+                }
+
+                // On macOS, GTK3 needs XDG_DATA_DIRS to be set, otherwise it will try searching for "gschemas.compiled" in system directories.
+                SetEnvironmentVariableNoCaching("XDG_DATA_DIRS", Path.Combine(resourcesDataDir, "share"));
+
+                // On macOS, GTK3 needs GDK_PIXBUF_MODULE_FILE to be set, otherwise it will try searching for "loaders.cache" in system directories.
+                SetEnvironmentVariableNoCaching("GDK_PIXBUF_MODULE_FILE", Path.Combine(resourcesDataDir, "lib", "gdk-pixbuf-2.0", "2.10.0", "loaders.cache"));
+
+                SetEnvironmentVariableNoCaching("GTK_IM_MODULE_FILE", Path.Combine(resourcesDataDir, "lib", "gtk-3.0", "3.0.0", "immodules.cache"));
+            }
+
+            string systemPath = Environment.GetEnvironmentVariable("Path", EnvironmentVariableTarget.Machine);
+            Environment.SetEnvironmentVariable("Path", $"{Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "bin")};{systemPath}");
+
+            // Setup base data directory.
+            AppDataManager.Initialize(CommandLineState.BaseDirPathArg);
+
+            // Initialize the configuration.
+            ConfigurationState.Initialize();
+
+            // Initialize the logger system.
+            LoggerModule.Initialize();
+
+            // Initialize Discord integration.
+            DiscordIntegrationModule.Initialize();
+
+            // Initialize SDL2 driver
+            SDL2Driver.MainThreadDispatcher = action =>
+            {
+                Application.Invoke(delegate
+                {
+                    action();
+                });
+            };
+
+            // Sets ImageSharp Jpeg Encoder Quality.
+            SixLabors.ImageSharp.Configuration.Default.ImageFormatsManager.SetEncoder(JpegFormat.Instance, new JpegEncoder()
+            {
+                Quality = 100,
+            });
+
+            string localConfigurationPath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, ReleaseInformation.ConfigName);
+            string appDataConfigurationPath = Path.Combine(AppDataManager.BaseDirPath, ReleaseInformation.ConfigName);
+
+            // Now load the configuration as the other subsystems are now registered
+            ConfigurationPath = File.Exists(localConfigurationPath)
+                ? localConfigurationPath
+                : File.Exists(appDataConfigurationPath)
+                    ? appDataConfigurationPath
+                    : null;
+
+            if (ConfigurationPath == null)
+            {
+                // No configuration, we load the default values and save it to disk
+                ConfigurationPath = appDataConfigurationPath;
+
+                ConfigurationState.Instance.LoadDefault();
+                ConfigurationState.Instance.ToFileFormat().SaveConfig(ConfigurationPath);
+            }
+            else
+            {
+                if (ConfigurationFileFormat.TryLoad(ConfigurationPath, out ConfigurationFileFormat configurationFileFormat))
+                {
+                    ConfigurationState.Instance.Load(configurationFileFormat, ConfigurationPath);
+                }
+                else
+                {
+                    ConfigurationState.Instance.LoadDefault();
+
+                    Logger.Warning?.PrintMsg(LogClass.Application, $"Failed to load config! Loading the default config instead.\nFailed config location {ConfigurationPath}");
+                }
+            }
+
+            // Check if graphics backend was overridden.
+            if (CommandLineState.OverrideGraphicsBackend != null)
+            {
+                if (CommandLineState.OverrideGraphicsBackend.ToLower() == "opengl")
+                {
+                    ConfigurationState.Instance.Graphics.GraphicsBackend.Value = GraphicsBackend.OpenGl;
+                }
+                else if (CommandLineState.OverrideGraphicsBackend.ToLower() == "vulkan")
+                {
+                    ConfigurationState.Instance.Graphics.GraphicsBackend.Value = GraphicsBackend.Vulkan;
+                }
+            }
+
+            // Check if HideCursor was overridden.
+            if (CommandLineState.OverrideHideCursor is not null)
+            {
+                ConfigurationState.Instance.HideCursor.Value = CommandLineState.OverrideHideCursor!.ToLower() switch
+                {
+                    "never" => HideCursorMode.Never,
+                    "onidle" => HideCursorMode.OnIdle,
+                    "always" => HideCursorMode.Always,
+                    _ => ConfigurationState.Instance.HideCursor.Value,
+                };
+            }
+
+            // Check if docked mode was overridden.
+            if (CommandLineState.OverrideDockedMode.HasValue)
+            {
+                ConfigurationState.Instance.System.EnableDockedMode.Value = CommandLineState.OverrideDockedMode.Value;
+            }
+
+            // Logging system information.
+            PrintSystemInfo();
+
+            // Enable OGL multithreading on the driver, when available.
+            BackendThreading threadingMode = ConfigurationState.Instance.Graphics.BackendThreading;
+            DriverUtilities.ToggleOGLThreading(threadingMode == BackendThreading.Off);
+
+            // Initialize Gtk.
+            Application.Init();
+
+            // Check if keys exists.
+            bool hasSystemProdKeys = File.Exists(Path.Combine(AppDataManager.KeysDirPath, "prod.keys"));
+            bool hasCommonProdKeys = AppDataManager.Mode == AppDataManager.LaunchMode.UserProfile && File.Exists(Path.Combine(AppDataManager.KeysDirPathUser, "prod.keys"));
+            if (!hasSystemProdKeys && !hasCommonProdKeys)
+            {
+                UserErrorDialog.CreateUserErrorDialog(UserError.NoKeys);
+            }
+
+            // Show the main window UI.
+            MainWindow mainWindow = new();
+            mainWindow.Show();
+
+            if (OperatingSystem.IsLinux())
+            {
+                int currentVmMaxMapCount = LinuxHelper.VmMaxMapCount;
+
+                if (LinuxHelper.VmMaxMapCount < LinuxHelper.RecommendedVmMaxMapCount)
+                {
+                    Logger.Warning?.Print(LogClass.Application, $"The value of vm.max_map_count is lower than {LinuxHelper.RecommendedVmMaxMapCount}. ({currentVmMaxMapCount})");
+
+                    if (LinuxHelper.PkExecPath is not null)
+                    {
+                        var buttonTexts = new Dictionary<int, string>()
+                        {
+                            { 0, "Yes, until the next restart" },
+                            { 1, "Yes, permanently" },
+                            { 2, "No" },
+                        };
+
+                        ResponseType response = GtkDialog.CreateCustomDialog(
+                            "Ryujinx - Low limit for memory mappings detected",
+                            $"Would you like to increase the value of vm.max_map_count to {LinuxHelper.RecommendedVmMaxMapCount}?",
+                            "Some games might try to create more memory mappings than currently allowed. " +
+                            "Ryujinx will crash as soon as this limit gets exceeded.",
+                            buttonTexts,
+                            MessageType.Question);
+
+                        int rc;
+
+                        switch ((int)response)
+                        {
+                            case 0:
+                                rc = LinuxHelper.RunPkExec($"echo {LinuxHelper.RecommendedVmMaxMapCount} > {LinuxHelper.VmMaxMapCountPath}");
+                                if (rc == 0)
+                                {
+                                    Logger.Info?.Print(LogClass.Application, $"vm.max_map_count set to {LinuxHelper.VmMaxMapCount} until the next restart.");
+                                }
+                                else
+                                {
+                                    Logger.Error?.Print(LogClass.Application, $"Unable to change vm.max_map_count. Process exited with code: {rc}");
+                                }
+                                break;
+                            case 1:
+                                rc = LinuxHelper.RunPkExec($"echo \"vm.max_map_count = {LinuxHelper.RecommendedVmMaxMapCount}\" > {LinuxHelper.SysCtlConfigPath} && sysctl -p {LinuxHelper.SysCtlConfigPath}");
+                                if (rc == 0)
+                                {
+                                    Logger.Info?.Print(LogClass.Application, $"vm.max_map_count set to {LinuxHelper.VmMaxMapCount}. Written to config: {LinuxHelper.SysCtlConfigPath}");
+                                }
+                                else
+                                {
+                                    Logger.Error?.Print(LogClass.Application, $"Unable to write new value for vm.max_map_count to config. Process exited with code: {rc}");
+                                }
+                                break;
+                        }
+                    }
+                    else
+                    {
+                        GtkDialog.CreateWarningDialog(
+                            "Max amount of memory mappings is lower than recommended.",
+                            $"The current value of vm.max_map_count ({currentVmMaxMapCount}) is lower than {LinuxHelper.RecommendedVmMaxMapCount}." +
+                            "Some games might try to create more memory mappings than currently allowed. " +
+                            "Ryujinx will crash as soon as this limit gets exceeded.\n\n" +
+                            "You might want to either manually increase the limit or install pkexec, which allows Ryujinx to assist with that.");
+                    }
+                }
+            }
+
+            if (CommandLineState.LaunchPathArg != null)
+            {
+                mainWindow.RunApplication(CommandLineState.LaunchPathArg, CommandLineState.StartFullscreenArg);
+            }
+
+            if (ConfigurationState.Instance.CheckUpdatesOnStart.Value && Updater.CanUpdate(false))
+            {
+                Updater.BeginParse(mainWindow, false).ContinueWith(task =>
+                {
+                    Logger.Error?.Print(LogClass.Application, $"Updater Error: {task.Exception}");
+                }, TaskContinuationOptions.OnlyOnFaulted);
+            }
+
+            Application.Run();
+        }
+
+        private static void PrintSystemInfo()
+        {
+            Logger.Notice.Print(LogClass.Application, $"Ryujinx Version: {Version}");
+            SystemInfo.Gather().Print();
+
+            var enabledLogs = Logger.GetEnabledLevels();
+            Logger.Notice.Print(LogClass.Application, $"Logs Enabled: {(enabledLogs.Count == 0 ? "<None>" : string.Join(", ", enabledLogs))}");
+
+            if (AppDataManager.Mode == AppDataManager.LaunchMode.Custom)
+            {
+                Logger.Notice.Print(LogClass.Application, $"Launch Mode: Custom Path {AppDataManager.BaseDirPath}");
+            }
+            else
+            {
+                Logger.Notice.Print(LogClass.Application, $"Launch Mode: {AppDataManager.Mode}");
+            }
+        }
+
+        private static void ProcessUnhandledException(Exception ex, bool isTerminating)
+        {
+            string message = $"Unhandled exception caught: {ex}";
+
+            Logger.Error?.PrintMsg(LogClass.Application, message);
+
+            if (Logger.Error == null)
+            {
+                Logger.Notice.PrintMsg(LogClass.Application, message);
+            }
+
+            if (isTerminating)
+            {
+                Exit();
+            }
+        }
+
+        public static void Exit()
+        {
+            DiscordIntegrationModule.Exit();
+
+            Logger.Shutdown();
+        }
+    }
+}