misc: Default to Vulkan if available or running on macOS (#5913)

* Addition of default backend check. Vulkan is preferred if available or macOS.

* import ordering format fix

* Update src/Ryujinx/Program.cs

Co-authored-by: gdkchan <gab.dark.100@gmail.com>

* remove redundant load types

---------

Co-authored-by: gdkchan <gab.dark.100@gmail.com>

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

@@ -1,9 +0,0 @@
-namespace Ryujinx.Ui.Common.Configuration
-{
-    public enum ConfigurationLoadResult
-    {
-        Success = 0,
-        NotLoaded = 1,
-        MigratedFromPreVulkan = 1 << 8,
-    }
-}

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

@@ -5,6 +5,7 @@ using Ryujinx.Common.Configuration.Hid.Controller;
 using Ryujinx.Common.Configuration.Hid.Keyboard;
 using Ryujinx.Common.Configuration.Multiplayer;
 using Ryujinx.Common.Logging;
+using Ryujinx.Graphics.Vulkan;
 using Ryujinx.Ui.Common.Configuration.System;
 using Ryujinx.Ui.Common.Configuration.Ui;
 using Ryujinx.Ui.Common.Helper;
@@ -763,7 +764,7 @@ namespace Ryujinx.Ui.Common.Configuration
             Graphics.ResScaleCustom.Value = 1.0f;
             Graphics.MaxAnisotropy.Value = -1.0f;
             Graphics.AspectRatio.Value = AspectRatio.Fixed16x9;
-            Graphics.GraphicsBackend.Value = OperatingSystem.IsMacOS() ? GraphicsBackend.Vulkan : GraphicsBackend.OpenGl;
+            Graphics.GraphicsBackend.Value = DefaultGraphicsBackend();
             Graphics.PreferredGpu.Value = "";
             Graphics.ShadersDumpPath.Value = "";
             Logger.EnableDebug.Value = false;
@@ -907,7 +908,7 @@ namespace Ryujinx.Ui.Common.Configuration
             };
         }
 
-        public ConfigurationLoadResult Load(ConfigurationFileFormat configurationFileFormat, string configurationFilePath)
+        public void Load(ConfigurationFileFormat configurationFileFormat, string configurationFilePath)
         {
             bool configurationFileUpdated = false;
 
@@ -916,12 +917,8 @@ namespace Ryujinx.Ui.Common.Configuration
                 Ryujinx.Common.Logging.Logger.Warning?.Print(LogClass.Application, $"Unsupported configuration version {configurationFileFormat.Version}, loading default.");
 
                 LoadDefault();
-
-                return ConfigurationLoadResult.NotLoaded;
             }
 
-            ConfigurationLoadResult result = ConfigurationLoadResult.Success;
-
             if (configurationFileFormat.Version < 2)
             {
                 Ryujinx.Common.Logging.Logger.Warning?.Print(LogClass.Application, $"Outdated configuration version {configurationFileFormat.Version}, migrating to version 2.");
@@ -1336,8 +1333,6 @@ namespace Ryujinx.Ui.Common.Configuration
 
                 configurationFileFormat.GraphicsBackend = GraphicsBackend.OpenGl;
 
-                result |= ConfigurationLoadResult.MigratedFromPreVulkan;
-
                 configurationFileUpdated = true;
             }
 
@@ -1535,8 +1530,18 @@ namespace Ryujinx.Ui.Common.Configuration
 
                 Ryujinx.Common.Logging.Logger.Notice.Print(LogClass.Application, $"Configuration file updated to version {ConfigurationFileFormat.CurrentVersion}");
             }
+        }
 
-            return result;
+        private static GraphicsBackend DefaultGraphicsBackend()
+        {
+            // Any system running macOS or returning any amount of valid Vulkan devices should default to Vulkan.
+            // Checks for if the Vulkan version and featureset is compatible should be performed within VulkanRenderer.
+            if (OperatingSystem.IsMacOS() || VulkanRenderer.GetPhysicalDevices().Length > 0)
+            {
+                return GraphicsBackend.Vulkan;
+            }
+
+            return GraphicsBackend.OpenGl;
         }
 
         private static void LogValueChange<T>(ReactiveEventArgs<T> eventArgs, string valueName)

src/Ryujinx.Ui.Common/Ryujinx.Ui.Common.csproj

@@ -62,6 +62,7 @@
   <ItemGroup>
     <ProjectReference Include="..\Ryujinx.Common\Ryujinx.Common.csproj" />
     <ProjectReference Include="..\Ryujinx.HLE\Ryujinx.HLE.csproj" />
+    <ProjectReference Include="..\Ryujinx.Graphics.Vulkan\Ryujinx.Graphics.Vulkan.csproj" />
   </ItemGroup>
 
 </Project>

src/Ryujinx/Program.cs

@@ -177,8 +177,6 @@ namespace Ryujinx
                     ? appDataConfigurationPath
                     : null;
 
-            bool showVulkanPrompt = false;
-
             if (ConfigurationPath == null)
             {
                 // No configuration, we load the default values and save it to disk
@@ -186,26 +184,17 @@ namespace Ryujinx
 
                 ConfigurationState.Instance.LoadDefault();
                 ConfigurationState.Instance.ToFileFormat().SaveConfig(ConfigurationPath);
-
-                showVulkanPrompt = true;
             }
             else
             {
                 if (ConfigurationFileFormat.TryLoad(ConfigurationPath, out ConfigurationFileFormat configurationFileFormat))
                 {
-                    ConfigurationLoadResult result = ConfigurationState.Instance.Load(configurationFileFormat, ConfigurationPath);
+                    ConfigurationState.Instance.Load(configurationFileFormat, ConfigurationPath);
-
-                    if ((result & ConfigurationLoadResult.MigratedFromPreVulkan) != 0)
-                    {
-                        showVulkanPrompt = true;
-                    }
                 }
                 else
                 {
                     ConfigurationState.Instance.LoadDefault();
 
-                    showVulkanPrompt = true;
-
                     Logger.Warning?.PrintMsg(LogClass.Application, $"Failed to load config! Loading the default config instead.\nFailed config location {ConfigurationPath}");
                 }
             }
@@ -216,12 +205,10 @@ namespace Ryujinx
                 if (CommandLineState.OverrideGraphicsBackend.ToLower() == "opengl")
                 {
                     ConfigurationState.Instance.Graphics.GraphicsBackend.Value = GraphicsBackend.OpenGl;
-                    showVulkanPrompt = false;
                 }
                 else if (CommandLineState.OverrideGraphicsBackend.ToLower() == "vulkan")
                 {
                     ConfigurationState.Instance.Graphics.GraphicsBackend.Value = GraphicsBackend.Vulkan;
-                    showVulkanPrompt = false;
                 }
             }
 
@@ -343,35 +330,6 @@ namespace Ryujinx
                 }, TaskContinuationOptions.OnlyOnFaulted);
             }
 
-            if (showVulkanPrompt)
-            {
-                var buttonTexts = new Dictionary<int, string>()
-                {
-                    { 0, "Yes (Vulkan)" },
-                    { 1, "No (OpenGL)" },
-                };
-
-                ResponseType response = GtkDialog.CreateCustomDialog(
-                    "Ryujinx - Default graphics backend",
-                    "Use Vulkan as default graphics backend?",
-                    "Ryujinx now supports the Vulkan API. " +
-                    "Vulkan greatly improves shader compilation performance, " +
-                    "and fixes some graphical glitches; however, since it is a new feature, " +
-                    "you may experience some issues that did not occur with OpenGL.\n\n" +
-                    "Note that you will also lose any existing shader cache the first time you start a game " +
-                    "on version 1.1.200 onwards, because Vulkan required changes to the shader cache that makes it incompatible with previous versions.\n\n" +
-                    "Would you like to set Vulkan as the default graphics backend? " +
-                    "You can change this at any time on the settings window.",
-                    buttonTexts,
-                    MessageType.Question);
-
-                ConfigurationState.Instance.Graphics.GraphicsBackend.Value = response == 0
-                    ? GraphicsBackend.Vulkan
-                    : GraphicsBackend.OpenGl;
-
-                ConfigurationState.Instance.ToFileFormat().SaveConfig(ConfigurationPath);
-            }
-
             Application.Run();
         }