some initial metal commits cherry-picked

src/Ryujinx/AppHost.cs

@@ -30,6 +30,7 @@ using Ryujinx.Graphics.GAL.Multithreading;
 using Ryujinx.Graphics.Gpu;
 using Ryujinx.Graphics.OpenGL;
 using Ryujinx.Graphics.Vulkan;
+using Ryujinx.Graphics.Metal;
 using Ryujinx.HLE;
 using Ryujinx.HLE.FileSystem;
 using Ryujinx.HLE.HOS;
@@ -1137,6 +1138,7 @@ namespace Ryujinx.Ava
             StatusUpdatedEvent?.Invoke(this, new StatusUpdatedEventArgs(
                 vSyncMode,
                 LocaleManager.Instance[LocaleKeys.VolumeShort] + $": {(int)(Device.GetVolume() * 100)}%",
+                ConfigurationState.Instance.Graphics.GraphicsBackend.Value.ToText(),
                 dockedMode,
                 ConfigurationState.Instance.Graphics.AspectRatio.Value.ToText(),
                 $"{Device.Statistics.GetGameFrameRate():00.00} FPS ({Device.Statistics.GetGameFrameTime():00.00} ms)",

src/Ryujinx/Program.cs

@@ -198,6 +198,7 @@ namespace Ryujinx.Ava
                 {
                     "opengl" => GraphicsBackend.OpenGl,
                     "vulkan" => GraphicsBackend.Vulkan,
+                    "metal" => GraphicsBackend.Metal,
                     _ => ConfigurationState.Instance.Graphics.GraphicsBackend
                 };
 

src/Ryujinx/UI/Renderer/EmbeddedWindowMetal.cs

@@ -0,0 +1,25 @@
+using SPB.Windowing;
+using SPB.Platform.Metal;
+using System;
+
+namespace Ryujinx.UI.Renderer
+{
+    public class EmbeddedWindowMetal : EmbeddedWindow
+    {
+        public SimpleMetalWindow CreateSurface()
+        {
+            SimpleMetalWindow simpleMetalWindow;
+
+            if (OperatingSystem.IsMacOS())
+            {
+                simpleMetalWindow = new SimpleMetalWindow(new NativeHandle(NsView), new NativeHandle(MetalLayer));
+            }
+            else
+            {
+                throw new PlatformNotSupportedException();
+            }
+
+            return simpleMetalWindow;
+        }
+    }
+}

src/Ryujinx/UI/ViewModels/SettingsViewModel.cs

@@ -120,6 +120,8 @@ namespace Ryujinx.Ava.UI.ViewModels
             }
         }
 
+        public bool IsMetalAvailable => OperatingSystem.IsMacOS();
+
         public bool IsOpenGLAvailable => !OperatingSystem.IsMacOS();
 
         public bool IsHypervisorAvailable => OperatingSystem.IsMacOS() && RuntimeInformation.ProcessArchitecture == Architecture.Arm64;

src/Ryujinx/UI/Views/Settings/SettingsGraphicsView.axaml

@@ -43,6 +43,9 @@
                             <ComboBoxItem IsEnabled="{Binding IsOpenGLAvailable}">
                                 <TextBlock Text="OpenGL" />
                             </ComboBoxItem>
+                            <ComboBoxItem IsVisible="{Binding IsMetalAvailable}">
+                                <TextBlock Text="Metal" />
+                            </ComboBoxItem>
                         </ComboBox>
                     </StackPanel>
                     <StackPanel Orientation="Horizontal" IsVisible="{Binding IsVulkanSelected}">