Ava GUI: Restructure `Ryujinx.Ava` (#4165)

* Restructure `Ryujinx.Ava`

* Stylistic consistency

* Update Ryujinx.Ava/UI/Controls/UserEditor.axaml.cs

Co-authored-by: TSRBerry <20988865+TSRBerry@users.noreply.github.com>

* Update Ryujinx.Ava/UI/Controls/UserEditor.axaml.cs

Co-authored-by: TSRBerry <20988865+TSRBerry@users.noreply.github.com>

* Update Ryujinx.Ava/UI/Controls/UserSelector.axaml.cs

Co-authored-by: TSRBerry <20988865+TSRBerry@users.noreply.github.com>

* Update Ryujinx.Ava/UI/Controls/SaveManager.axaml.cs

Co-authored-by: TSRBerry <20988865+TSRBerry@users.noreply.github.com>

* Update Ryujinx.Ava/UI/Controls/SaveManager.axaml.cs

Co-authored-by: TSRBerry <20988865+TSRBerry@users.noreply.github.com>

* Update Ryujinx.Ava/UI/Windows/SettingsWindow.axaml.cs

Co-authored-by: TSRBerry <20988865+TSRBerry@users.noreply.github.com>

* Update Ryujinx.Ava/UI/Helpers/EmbeddedWindow.cs

Co-authored-by: TSRBerry <20988865+TSRBerry@users.noreply.github.com>

* Update Ryujinx.Ava/UI/Helpers/EmbeddedWindow.cs

Co-authored-by: TSRBerry <20988865+TSRBerry@users.noreply.github.com>

* Update Ryujinx.Ava/UI/Helpers/EmbeddedWindow.cs

Co-authored-by: TSRBerry <20988865+TSRBerry@users.noreply.github.com>

* Update Ryujinx.Ava/UI/Helpers/EmbeddedWindow.cs

Co-authored-by: TSRBerry <20988865+TSRBerry@users.noreply.github.com>

* Update Ryujinx.Ava/UI/Windows/SettingsWindow.axaml.cs

Co-authored-by: TSRBerry <20988865+TSRBerry@users.noreply.github.com>

* Update Ryujinx.Ava/UI/ViewModels/UserProfileViewModel.cs

Co-authored-by: TSRBerry <20988865+TSRBerry@users.noreply.github.com>

* Update Ryujinx.Ava/UI/ViewModels/UserProfileViewModel.cs

Co-authored-by: TSRBerry <20988865+TSRBerry@users.noreply.github.com>

* Update Ryujinx.Ava/UI/Helpers/EmbeddedWindow.cs

Co-authored-by: TSRBerry <20988865+TSRBerry@users.noreply.github.com>

* Fix redundancies

* Remove redunancies

* Add back elses

Co-authored-by: TSRBerry <20988865+TSRBerry@users.noreply.github.com>

1 files changed, 127 insertions, 0 deletions

diff --git a/Ryujinx.Ava/UI/Controls/RendererHost.axaml.cs b/Ryujinx.Ava/UI/Controls/RendererHost.axaml.cs
new file mode 100644
index 00000000..97058fa4
--- /dev/null
+++ b/Ryujinx.Ava/UI/Controls/RendererHost.axaml.cs
@@ -0,0 +1,127 @@
+using Avalonia;
+using Avalonia.Controls;
+using Avalonia.Markup.Xaml;
+using Ryujinx.Ava.UI.Helpers;
+using Ryujinx.Common.Configuration;
+using Silk.NET.Vulkan;
+using SPB.Graphics.OpenGL;
+using SPB.Windowing;
+using System;
+
+namespace Ryujinx.Ava.UI.Controls
+{
+    public partial class RendererHost : UserControl, IDisposable
+    {
+        private readonly GraphicsDebugLevel _graphicsDebugLevel;
+        private EmbeddedWindow _currentWindow;
+
+        public bool IsVulkan { get; private set; }
+
+        public RendererHost(GraphicsDebugLevel graphicsDebugLevel)
+        {
+            _graphicsDebugLevel = graphicsDebugLevel;
+            InitializeComponent();
+        }
+
+        public RendererHost()
+        {
+            InitializeComponent();
+        }
+
+        public void CreateOpenGL()
+        {
+            Dispose();
+
+            _currentWindow = new OpenGLEmbeddedWindow(3, 3, _graphicsDebugLevel);
+            Initialize();
+
+            IsVulkan = false;
+        }
+
+        private void Initialize()
+        {
+            _currentWindow.WindowCreated += CurrentWindow_WindowCreated;
+            _currentWindow.SizeChanged += CurrentWindow_SizeChanged;
+            Content = _currentWindow;
+        }
+
+        public void CreateVulkan()
+        {
+            Dispose();
+
+            _currentWindow = new VulkanEmbeddedWindow();
+            Initialize();
+
+            IsVulkan = true;
+        }
+
+        public OpenGLContextBase GetContext()
+        {
+            if (_currentWindow is OpenGLEmbeddedWindow openGlEmbeddedWindow)
+            {
+                return openGlEmbeddedWindow.Context;
+            }
+
+            return null;
+        }
+
+        protected override void OnDetachedFromVisualTree(VisualTreeAttachmentEventArgs e)
+        {
+            base.OnDetachedFromVisualTree(e);
+
+            Dispose();
+        }
+
+        private void CurrentWindow_SizeChanged(object sender, Size e)
+        {
+            SizeChanged?.Invoke(sender, e);
+        }
+
+        private void CurrentWindow_WindowCreated(object sender, IntPtr e)
+        {
+            RendererInitialized?.Invoke(this, EventArgs.Empty);
+        }
+
+        public void MakeCurrent()
+        {
+            if (_currentWindow is OpenGLEmbeddedWindow openGlEmbeddedWindow)
+            {
+                openGlEmbeddedWindow.MakeCurrent();
+            }
+        }
+
+        public void MakeCurrent(SwappableNativeWindowBase window)
+        {
+            if (_currentWindow is OpenGLEmbeddedWindow openGlEmbeddedWindow)
+            {
+                openGlEmbeddedWindow.MakeCurrent(window);
+            }
+        }
+
+        public void SwapBuffers()
+        {
+            if (_currentWindow is OpenGLEmbeddedWindow openGlEmbeddedWindow)
+            {
+                openGlEmbeddedWindow.SwapBuffers();
+            }
+        }
+
+        public event EventHandler<EventArgs> RendererInitialized;
+        public event Action<object, Size> SizeChanged;
+        public void Dispose()
+        {
+            if (_currentWindow != null)
+            {
+                _currentWindow.WindowCreated -= CurrentWindow_WindowCreated;
+                _currentWindow.SizeChanged -= CurrentWindow_SizeChanged;
+            }
+        }
+
+        public SurfaceKHR CreateVulkanSurface(Instance instance, Vk api)
+        {
+            return (_currentWindow is VulkanEmbeddedWindow vulkanEmbeddedWindow)
+                ? vulkanEmbeddedWindow.CreateSurface(instance)
+                : default;
+        }
+    }
+}
\ No newline at end of file