update

src/Ryujinx/AppHost.cs

@@ -9,6 +9,7 @@ using LibHac.Tools.FsSystem;
 using Ryujinx.Audio.Backends.Dummy;
 using Ryujinx.Audio.Backends.OpenAL;
 using Ryujinx.Audio.Backends.SDL2;
+using Ryujinx.Audio.Backends.SDL3;
 using Ryujinx.Audio.Backends.SoundIo;
 using Ryujinx.Audio.Integration;
 using Ryujinx.Ava.Common;
@@ -957,6 +958,7 @@ namespace Ryujinx.Ava
         {
             var availableBackends = new List<AudioBackend>
             {
+                AudioBackend.SDL3,
                 AudioBackend.SDL2,
                 AudioBackend.SoundIo,
                 AudioBackend.OpenAl,
@@ -996,6 +998,7 @@ namespace Ryujinx.Ava
 
                 deviceDriver = currentBackend switch
                 {
+                    AudioBackend.SDL3 => InitializeAudioBackend<SDL3HardwareDeviceDriver>(AudioBackend.SDL3, nextBackend),
                     AudioBackend.SDL2 => InitializeAudioBackend<SDL2HardwareDeviceDriver>(AudioBackend.SDL2, nextBackend),
                     AudioBackend.SoundIo => InitializeAudioBackend<SoundIoHardwareDeviceDriver>(AudioBackend.SoundIo, nextBackend),
                     AudioBackend.OpenAl => InitializeAudioBackend<OpenALHardwareDeviceDriver>(AudioBackend.OpenAl, nextBackend),

src/Ryujinx/Headless/WindowBase.cs

@@ -15,6 +15,7 @@ using Ryujinx.Input;
 using Ryujinx.Input.HLE;
 using Ryujinx.Input.SDL2;
 using Ryujinx.SDL2.Common;
+using Ryujinx.SDL3.Common;
 using System;
 using System.Collections.Concurrent;
 using System.Collections.Generic;
@@ -116,6 +117,7 @@ namespace Ryujinx.Headless
             HostUITheme = new HeadlessHostUiTheme();
 
             SDL2Driver.Instance.Initialize();
+            SDL3Driver.Instance.Initialize();
         }
 
         public void Initialize(Switch device, List<InputConfig> inputConfigs, bool enableKeyboard, bool enableMouse)

src/Ryujinx/Ryujinx.csproj

@@ -71,6 +71,7 @@
 
   <ItemGroup>
     <ProjectReference Include="..\Ryujinx.Audio.Backends.SDL2\Ryujinx.Audio.Backends.SDL2.csproj" />
+    <ProjectReference Include="..\Ryujinx.Audio.Backends.SDL3\Ryujinx.Audio.Backends.SDL3.csproj" />
     <ProjectReference Include="..\Ryujinx.Graphics.Vulkan\Ryujinx.Graphics.Vulkan.csproj" />
     <ProjectReference Include="..\Ryujinx.Graphics.OpenGL\Ryujinx.Graphics.OpenGL.csproj" />
     <ProjectReference Include="..\Ryujinx.Graphics.Metal\Ryujinx.Graphics.Metal.csproj" />

src/Ryujinx/UI/ViewModels/SettingsViewModel.cs

@@ -6,6 +6,7 @@ using Gommon;
 using LibHac.Tools.FsSystem;
 using Ryujinx.Audio.Backends.OpenAL;
 using Ryujinx.Audio.Backends.SDL2;
+using Ryujinx.Audio.Backends.SDL3;
 using Ryujinx.Audio.Backends.SoundIo;
 using Ryujinx.Ava.Common.Locale;
 using Ryujinx.Ava.UI.Helpers;
@@ -212,6 +213,7 @@ namespace Ryujinx.Ava.UI.ViewModels
         public bool IsOpenAlEnabled { get; set; }
         public bool IsSoundIoEnabled { get; set; }
         public bool IsSDL2Enabled { get; set; }
+        public bool IsSDL3Enabled { get; set; }
         public bool IsCustomResolutionScaleActive => _resolutionScale == 4;
         public bool IsScalingFilterActive => _scalingFilter == (int)Ryujinx.Common.Configuration.ScalingFilter.Fsr;
 
@@ -373,6 +375,7 @@ namespace Ryujinx.Ava.UI.ViewModels
             IsOpenAlEnabled = OpenALHardwareDeviceDriver.IsSupported;
             IsSoundIoEnabled = SoundIoHardwareDeviceDriver.IsSupported;
             IsSDL2Enabled = SDL2HardwareDeviceDriver.IsSupported;
+            IsSDL3Enabled = SDL3HardwareDeviceDriver.IsSupported;
 
             await Dispatcher.UIThread.InvokeAsync(() =>
             {

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

@@ -46,6 +46,12 @@
                         <ComboBoxItem IsEnabled="{Binding IsSDL2Enabled}">
                             <TextBlock Text="{ext:Locale SettingsTabSystemAudioBackendSDL2}" />
                         </ComboBoxItem>
+                        <ComboBoxItem IsEnabled="{Binding IsSDL3Enabled}">
+                            <TextBlock>
+                            <TextBlock Text="{ext:Locale SettingsTabSystemAudioBackendSDL2}" />
+                            <TextBlock Text="*" />
+                            </TextBlock>
+                        </ComboBoxItem>
                     </ComboBox>
                 </StackPanel>
                 <StackPanel Margin="10,0,0,0" Orientation="Horizontal">

src/Ryujinx/Utilities/Configuration/AudioBackend.cs

@@ -10,5 +10,6 @@ namespace Ryujinx.Ava.Utilities.Configuration
         OpenAl,
         SoundIo,
         SDL2,
+        SDL3,
     }
 }