Dashboard.Common/Events/AnimationTickEventArgs.cs

@@ -1,20 +0,0 @@
-namespace Dashboard.Events
-{
-    public class AnimationTickEventArgs : UiEventArgs
-    {
-        /// <summary>
-        /// Animation delta time in seconds.
-        /// </summary>
-        public float Delta { get; }
-
-        public AnimationTickEventArgs(float delta) : base(UiEventType.AnimationTick)
-        {
-            Delta = delta;
-        }
-    }
-
-    public interface IAnimationTickEvent
-    {
-        event EventHandler<AnimationTickEventArgs> AnimationTimerEvent;
-    }
-}

Dashboard.Common/Events/MouseEvents.cs

@@ -1,69 +0,0 @@
-using System.Drawing;
-using System.Numerics;
-
-namespace Dashboard.Events
-{
-    [Flags]
-    public enum MouseButtons
-    {
-        M1 = 1 << 0,
-        M2 = 1 << 1,
-        M3 = 1 << 2,
-        M4 = 1 << 3,
-        M5 = 1 << 4,
-        M6 = 1 << 5,
-        M7 = 1 << 6,
-        M8 = 1 << 7,
-
-        Left = M1,
-        Right = M2,
-        Middle = M3,
-    }
-
-    public sealed class MouseMoveEventArgs : UiEventArgs
-    {
-        public Vector2 ClientPosition { get; }
-        public Vector2 Delta { get; }
-
-        public MouseMoveEventArgs(Vector2 clientPosition, Vector2 delta)
-            : base(UiEventType.MouseMove)
-        {
-            ClientPosition = clientPosition;
-            Delta = delta;
-        }
-    }
-
-    public sealed class MouseButtonEventArgs : UiEventArgs
-    {
-        public Vector2 ClientPosition { get; }
-        public MouseButtons Buttons { get; }
-
-        public MouseButtonEventArgs(Vector2 clientPosition, MouseButtons buttons, bool up)
-            : base(up ? UiEventType.MouseButtonUp : UiEventType.MouseButtonDown)
-        {
-            ClientPosition = clientPosition;
-            Buttons = buttons;
-        }
-    }
-
-    public sealed class MouseScrollEventArgs : UiEventArgs
-    {
-        public Vector2 ClientPosition { get; }
-        public Vector2 ScrollDelta { get; }
-
-        public MouseScrollEventArgs(Vector2 clientPosition, Vector2 scrollDelta)
-            : base(UiEventType.MouseScroll)
-        {
-            ClientPosition = clientPosition;
-            ScrollDelta = scrollDelta;
-        }
-    }
-
-    public interface IMouseEvents
-    {
-        event EventHandler<MouseMoveEventArgs> MouseMoved;
-        event EventHandler<MouseButtonEventArgs> MouseButtonDown;
-        event EventHandler<MouseButtonEventArgs> MouseButtonUp;
-        event EventHandler<MouseScrollEventArgs> MouseScroll;
-    }
-}

Dashboard.Common/Events/UiEventArgs.cs

@@ -1,76 +0,0 @@
-using System.Numerics;
-
-namespace Dashboard.Events
-{
-    public enum UiEventType
-    {
-        None,
-        AnimationTick,                  // Generic timer event.
-
-        // Text input related events.
-        KeyDown,                        // Keyboard key down.
-        KeyUp,                          // Keyboard key up.
-        TextInput,                      // Non-IME text event.
-        TextEdit,                       // IME text event.
-        TextCandidates,                 // IME text candidate list.
-        TextLanguage,                   // Keyboard language changed event.
-
-        // Mouse & touch related events
-        MouseButtonDown,                // Mouse button down.
-        MouseButtonUp,                  // Mouse button up.
-        MouseMove,                      // Mouse moved.
-        MouseScroll,                    // Mouse scrolled.
-
-        // Reserved event names
-        StylusEnter,                    // The stylus has entered the hover region.
-        StylusLeave,                    // The stylus has left the hover region.
-        StylusMove,                     // The stylus has moved.
-        StylusDown,                     // The stylus is touching.
-        StylusUp,                       // The stylus is no longer touching.
-        StylusButtonUp,                 // Stylus button up.
-        StylusButtonDown,               // Stylus button down.
-        StylusAxes,                     // Extra stylus axes data.
-
-        // Window & Control Events
-        ControlInvalidateVisual,        // Force rendering the control again.
-        ControlStateChanged,            // Control state changed.
-        ControlMoved,                   // Control moved.
-        ControlResized,                 // Control resized.
-        ControlEnter,                   // The pointing device entered the control.
-        ControlLeave,                   // The pointing device left the control.
-        ControlFocusGet,                // The control acquired focus.
-        ControlFocusLost,               // The control lost focus.
-        WindowClose,                    // The window closed.
-        
-        UserRangeStart = 1 << 12,
-    }
-
-    public class UiEventArgs : EventArgs
-    {
-        public UiEventType Type { get; }
-
-        public UiEventArgs(UiEventType type)
-        {
-            Type = type;
-        }
-
-        public static readonly UiEventArgs None = new UiEventArgs(UiEventType.None);
-    }
-
-    public class ControlMovedEventArgs : UiEventArgs
-    {
-        public Vector2 OldPosition { get; }
-        public Vector2 NewPosition { get; }
-
-        public ControlMovedEventArgs(Vector2 oldPosition, Vector2 newPosition) : base(UiEventType.ControlMoved)
-        {
-            OldPosition = oldPosition;
-            NewPosition = newPosition;
-        }
-    }
-
-    public class ControlResizedEventArgs
-    {
-        
-    }
-}

Dashboard.Common/Windowing/ICompositor.cs

@@ -1,43 +0,0 @@
-namespace Dashboard.Windowing
-{
-    /// <summary>
-    /// Interface for a class that composites multiple windows together.
-    /// </summary>
-    public interface ICompositor : IDisposable
-    {
-        void Composite(IPhysicalWindow window, IEnumerable<IVirtualWindow> windows);
-    }
-
-    /// <summary>
-    /// Interface for classes that implement a window manager.
-    /// </summary>
-    public interface IWindowManager : IEnumerable<IVirtualWindow>, IEventListener, IPaintable, IDisposable
-    {
-        /// <summary>
-        /// The physical window that this window manager is associated with.
-        /// </summary>
-        IPhysicalWindow PhysicalWindow { get; }
-
-        /// <summary>
-        /// The compositor that will composite all virtual windows.
-        /// </summary>
-        ICompositor Compositor { get; set; }
-
-        /// <summary>
-        /// The window that is currently focused.
-        /// </summary>
-        IVirtualWindow? FocusedWindow { get; }
-
-        /// <summary>
-        /// Create a virtual window.
-        /// </summary>
-        /// <returns>Virtual window handle.</returns>
-        IVirtualWindow CreateWindow();
-
-        /// <summary>
-        /// Focus a virtual window, if it is owned by this window manager.
-        /// </summary>
-        /// <param name="window">The window to focus.</param>
-        void Focus(IVirtualWindow window);
-    }
-}

Dashboard.Common/Windowing/IDeviceContext.cs

@@ -1,20 +0,0 @@
-using System.Drawing;
-
-namespace Dashboard.Windowing
-{
-    /// <summary>
-    /// Generic interface for the rendering system present in a <see cref="IPhysicalWindow"/>
-    /// </summary>
-    public interface IDeviceContext
-    {
-        /// <summary>
-        /// The swap group for this device context.
-        /// </summary>
-        ISwapGroup SwapGroup { get; }
-
-        /// <summary>
-        /// The size of the window framebuffer in pixels.
-        /// </summary>
-        Size FramebufferSize { get; }
-    }
-}

Dashboard.Common/Windowing/IEventListener.cs

@@ -1,11 +0,0 @@
-namespace Dashboard.Windowing
-{
-    public interface IEventListener
-    {
-        /// <summary>
-        /// Send an event to this windowing object.
-        /// </summary>
-        /// <param name="args">The event arguments sent.</param>
-        void SendEvent(EventArgs args);
-    }
-}

Dashboard.Common/Windowing/IPaintable.cs

@@ -1,12 +0,0 @@
-namespace Dashboard.Windowing
-{
-    public interface IPaintable
-    {
-        event EventHandler Painting;
-
-        /// <summary>
-        /// Paint this paintable object.
-        /// </summary>
-        void Paint();
-    }
-}

Dashboard.Common/Windowing/ISwapGroup.cs

@@ -1,18 +0,0 @@
-namespace Dashboard.Windowing
-{
-    /// <summary>
-    /// Interface that is used to swap the buffers of windows
-    /// </summary>
-    public interface ISwapGroup
-    {
-        /// <summary>
-        /// The swap interval for this swap group.
-        /// </summary>
-        public int SwapInterval { get; set; }
-
-        /// <summary>
-        /// Swap buffers.
-        /// </summary>
-        void Swap();
-    }
-}

Dashboard.Common/Windowing/IWindow.cs

@@ -1,74 +0,0 @@
-using System.Drawing;
-using Dashboard.Events;
-
-namespace Dashboard.Windowing
-{
-    /// <summary>
-    /// Base class of all Dashboard windows.
-    /// </summary>
-    public interface IWindow :
-        IPaintable,
-        IDisposable,
-        IAnimationTickEvent,
-        IMouseEvents
-    {
-        /// <summary>
-        /// Name of the window.
-        /// </summary>
-        string Title { get; set; }
-
-        /// <summary>
-        /// The size of the window that includes the window extents.
-        /// </summary>
-        SizeF OuterSize { get; set; }
-
-        /// <summary>
-        /// The size of the window that excludes the window extents.
-        /// </summary>
-        SizeF ClientSize { get; set; }
-    }
-
-    /// <summary>
-    /// Base class for all Dashboard windows that are DPI-aware.
-    /// </summary>
-    public interface IDpiAwareWindow : IWindow
-    {
-        /// <summary>
-        /// DPI of the window.
-        /// </summary>
-        float Dpi { get; }
-
-        /// <summary>
-        /// Scale of the window.
-        /// </summary>
-        float Scale { get; }
-    }
-
-    /// <summary>
-    /// An object that represents a window in a virtual space, usually another window or a rendering system.
-    /// </summary>
-    public interface IVirtualWindow : IWindow, IEventListener
-    {
-    }
-
-    /// <summary>
-    /// An object that represents a native operating system window.
-    /// </summary>
-    public interface IPhysicalWindow : IWindow
-    {
-        /// <summary>
-        /// The device context for this window.
-        /// </summary>
-        IDeviceContext DeviceContext { get; }
-
-        /// <summary>
-        /// True if the window is double buffered.
-        /// </summary>
-        public bool DoubleBuffered { get; }
-
-        /// <summary>
-        /// The window manager for this physical window.
-        /// </summary>
-        public IWindowManager? WindowManager { get; set; }
-    }
-}

Dashboard.Drawing.OpenGL/ContextExecutor.cs

@@ -1,6 +1,5 @@
 using System.Drawing;
 using Dashboard.Drawing.OpenGL.Executors;
-using Dashboard.OpenGL;
 
 namespace Dashboard.Drawing.OpenGL
 {

Dashboard.Drawing.OpenGL/ContextResourcePool.cs

@@ -1,5 +1,3 @@
-using Dashboard.OpenGL;
-
 namespace Dashboard.Drawing.OpenGL
 {
     public class ContextResourcePoolManager

Dashboard.Drawing.OpenGL/Dashboard.Drawing.OpenGL.csproj

@@ -9,12 +9,11 @@
 
     <ItemGroup>
       <PackageReference Include="BlurgText" Version="0.1.0-nightly-19" />
-      <PackageReference Include="OpenTK.Graphics" Version="[5.0.0-pre*,5.1)" />
+      <PackageReference Include="OpenTK.Graphics" Version="5.0.0-pre.13" />
     </ItemGroup>
 
     <ItemGroup>
       <ProjectReference Include="..\Dashboard.Drawing\Dashboard.Drawing.csproj" />
-      <ProjectReference Include="..\Dashboard.OpenGL\Dashboard.OpenGL.csproj" />
     </ItemGroup>
 
     <ItemGroup>

Dashboard.Drawing.OpenGL/DrawCallRecorder.cs

@@ -1,7 +1,6 @@
 using System.Diagnostics.Contracts;
 using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
-using Dashboard.OpenGL;
 using OpenTK.Graphics.OpenGL;
 using OpenTK.Mathematics;
 using Vector2 = System.Numerics.Vector2;

Dashboard.Drawing.OpenGL/GLEngine.cs

@@ -1,5 +1,4 @@
 using Dashboard.Drawing.OpenGL.Text;
-using Dashboard.OpenGL;
 using OpenTK;
 using OpenTK.Graphics;
 

Dashboard.Drawing.OpenGL/GradientUniformBuffer.cs

@@ -1,5 +1,4 @@
 using System.Runtime.InteropServices;
-using Dashboard.OpenGL;
 using OpenTK.Mathematics;
 
 namespace Dashboard.Drawing.OpenGL

Dashboard.Drawing.OpenGL/IGLContext.cs

@@ -1,12 +1,11 @@
 using System.Drawing;
-using Dashboard.Windowing;
 
-namespace Dashboard.OpenGL
+namespace Dashboard.Drawing.OpenGL
 {
     /// <summary>
     /// Interface for GL context operations
     /// </summary>
-    public interface IGLContext : IDeviceContext
+    public interface IGLContext
     {
         /// <summary>
         /// The associated group for context sharing.
@@ -23,10 +22,21 @@ namespace Dashboard.OpenGL
         /// Called when the context is disposed.
         /// </summary>
         event Action Disposed;
+    }
+
+    /// <summary>
+    /// Extension interface for GL contexts in a DPI-aware environment.
+    /// </summary>
+    public interface IDpiAwareGLContext : IGLContext
+    {
+        /// <summary>
+        /// Dpi for current context.
+        /// </summary>
+        public float Dpi { get; }
 
         /// <summary>
-        /// Activate this OpenGL Context.
+        /// Scale for the current context. This will be used to scale drawn geometry.
         /// </summary>
-        void MakeCurrent();
+        public float Scale { get; }
     }
 }

Dashboard.Drawing.OpenGL/IGLDisposable.cs

@@ -1,4 +1,4 @@
-namespace Dashboard.OpenGL
+namespace Dashboard.Drawing.OpenGL
 {
     /// <summary>
     /// Interface much like <see cref="IDisposable"/> except GL resources are dropped.

Dashboard.Drawing.OpenGL/MappableBuffer.cs

@@ -1,6 +1,5 @@
 using System.Numerics;
 using System.Runtime.CompilerServices;
-using Dashboard.OpenGL;
 using OpenTK.Graphics.OpenGL;
 
 namespace Dashboard.Drawing.OpenGL

Dashboard.Drawing.OpenGL/Text/BlurgEngine.cs

@@ -2,7 +2,6 @@ using System.Diagnostics;
 using System.Drawing;
 using System.Numerics;
 using BlurgText;
-using Dashboard.OpenGL;
 using OpenTK.Graphics.OpenGL;
 using OPENGL = OpenTK.Graphics.OpenGL;
 
@@ -55,7 +54,7 @@ namespace Dashboard.Drawing.OpenGL.Text
                 path = Path.GetTempFileName();
                 try
                 {
-                    dest = File.Open(path, FileMode.OpenOrCreate, FileAccess.Write, FileShare.None);
+                    dest = File.Open(path, FileMode.CreateNew, FileAccess.Write, FileShare.None);
                 }
                 catch (IOException ex)
                 {
@@ -72,13 +71,14 @@ namespace Dashboard.Drawing.OpenGL.Text
             dest.Dispose();
 
             DbBlurgFont font = (DbBlurgFont)LoadFont(path);
+            File.Delete(path);
             return font;
         }
 
         public IFont LoadFont(string path)
         {
             BlurgFont? font = Blurg.AddFontFile(path) ?? throw new Exception("Failed to load the font file.");
-            return new DbBlurgFont(Blurg, font, 12f) { Path = path };
+            return new DbBlurgFont(Blurg, font, 12f);
         }
 
         public IFont LoadFont(NamedFont font)
@@ -103,12 +103,7 @@ namespace Dashboard.Drawing.OpenGL.Text
             {
                 if (dblurg.Owner != Blurg)
                 {
-                    if (dblurg.Path == null)
+                    throw new Exception();
-                        return (DbBlurgFont)LoadFont(new NamedFont(dblurg.Family, dblurg.Size, dblurg.Weight,
-                            dblurg.Slant,
-                            dblurg.Stretch));
-                    else
-                        return (DbBlurgFont)LoadFont(dblurg.Path);
                 }
                 else
                 {

Dashboard.Drawing.OpenGL/Text/DbBlurgFont.cs

@@ -13,8 +13,6 @@ namespace Dashboard.Drawing.OpenGL.Text
         public FontSlant Slant => Font.Italic ? FontSlant.Italic : FontSlant.Normal;
         public FontStretch Stretch => FontStretch.Normal;
 
-        internal string? Path { get; init; }
-
         public DbBlurgFont(Blurg owner, BlurgFont font, float size)
         {
             Owner = owner;

Dashboard.Drawing/DrawQueue.cs

@@ -2,7 +2,9 @@
 using System.Collections;
 using System.Collections.Generic;
 using System.Diagnostics.CodeAnalysis;
+using System.Drawing;
 using System.IO;
+using System.Runtime.CompilerServices;
 
 namespace Dashboard.Drawing
 {
@@ -158,7 +160,7 @@ namespace Dashboard.Drawing
             {
                 byte b = bytes[i];
 
-                value |= (b & 0x7F) << (7*i);
+                value = (value << 7) | b;
 
                 if ((b & (1 << 7)) == 0)
                 {

Dashboard.Drawing/IDrawQueuePaintable.cs

@@ -1,9 +0,0 @@
-using Dashboard.Windowing;
-
-namespace Dashboard.Drawing
-{
-    public interface IDrawQueuePaintable : IPaintable
-    {
-        DrawQueue DrawQueue { get; }
-    }
-}

Dashboard.ImmediateUI/DimUI.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Diagnostics.CodeAnalysis;
 using System.Drawing;
+using System.Net.Http;
 using System.Numerics;
 using System.Text;
 using Dashboard.Drawing;

Dashboard.OpenGL/Dashboard.OpenGL.csproj

@@ -1,13 +0,0 @@
-<Project Sdk="Microsoft.NET.Sdk">
-
-    <PropertyGroup>
-        <TargetFramework>net8.0</TargetFramework>
-        <ImplicitUsings>enable</ImplicitUsings>
-        <Nullable>enable</Nullable>
-    </PropertyGroup>
-
-    <ItemGroup>
-      <ProjectReference Include="..\Dashboard.Common\Dashboard.Common.csproj" />
-    </ItemGroup>
-
-</Project>

Dashboard.OpenTK/Dashboard.OpenTK.csproj

@@ -1,18 +0,0 @@
-<Project Sdk="Microsoft.NET.Sdk">
-
-    <PropertyGroup>
-        <TargetFramework>net8.0</TargetFramework>
-        <ImplicitUsings>enable</ImplicitUsings>
-        <Nullable>enable</Nullable>
-    </PropertyGroup>
-
-    <ItemGroup>
-        <PackageReference Include="OpenTK" Version="[5.0.0-pre*,5.1)" />
-    </ItemGroup>
-
-    <ItemGroup>
-      <ProjectReference Include="..\Dashboard.OpenGL\Dashboard.OpenGL.csproj" />
-      <ProjectReference Include="..\Dashboard\Dashboard.csproj" />
-    </ItemGroup>
-
-</Project>

Dashboard.OpenTK/PAL2/EventConverter.cs

@@ -1,18 +0,0 @@
-using Dashboard.Events;
-using OpenTK.Platform;
-
-namespace Dashboard.OpenTK.PAL2
-{
-    public static class EventConverter
-    {
-        public static UiEventArgs? Convert(PlatformEventType type, EventArgs ea)
-        {
-            switch (type)
-            {
-                case PlatformEventType.KeyDown:
-                default:
-                    return null;
-            }
-        }
-    }
-}

Dashboard.OpenTK/PAL2/OpenGLDeviceContext.cs

@@ -1,118 +0,0 @@
-using System.Collections.Concurrent;
-using System.Drawing;
-using Dashboard.OpenGL;
-using Dashboard.Windowing;
-using OpenTK.Mathematics;
-using OpenTK.Platform;
-using TK = OpenTK.Platform.Toolkit;
-
-namespace Dashboard.OpenTK.PAL2
-{
-    public class OpenGLDeviceContext : IGLContext, IGLDisposable
-    {
-        public OpenGLContextHandle ContextHandle { get; }
-        public WindowHandle WindowHandle { get; }
-
-        public ISwapGroup SwapGroup { get; }
-        public int ContextGroup { get; }
-
-        public Size FramebufferSize
-        {
-            get
-            {
-                TK.Window.GetFramebufferSize(WindowHandle, out Vector2i size);
-                return new Size(size.X, size.Y);
-            }
-        }
-
-        public event Action? Disposed;
-
-        public OpenGLDeviceContext(WindowHandle window, OpenGLContextHandle context, ISwapGroup? group = null)
-        {
-            WindowHandle = window;
-            ContextHandle = context;
-            SwapGroup = group ?? new DummySwapGroup(context);
-            ContextGroup = GetContextGroup(context);
-        }
-
-        public void MakeCurrent()
-        {
-            TK.OpenGL.SetCurrentContext(ContextHandle);
-        }
-
-        private bool _isDisposed = false;
-
-        public void Dispose() => Dispose(true);
-
-        public void Dispose(bool safeExit)
-        {
-            if (_isDisposed) return;
-            _isDisposed = true;
-
-            if (SwapGroup is IGLDisposable glDisposable)
-            {
-                glDisposable.Dispose(safeExit);
-            }
-            else if (SwapGroup is IDisposable disposable)
-            {
-                disposable.Dispose();
-            }
-
-            Disposed?.Invoke();
-        }
-
-        private static int _contextGroupId = 0;
-        private static ConcurrentDictionary<OpenGLContextHandle, int> _contextGroupRootContexts = new ConcurrentDictionary<OpenGLContextHandle, int>();
-
-        private static int GetContextGroup(OpenGLContextHandle handle)
-        {
-            OpenGLContextHandle? shared = TK.OpenGL.GetSharedContext(handle);
-
-            if (shared == null)
-            {
-                if (_contextGroupRootContexts.TryGetValue(handle, out int group))
-                    return group;
-
-                group = Interlocked.Increment(ref _contextGroupId);
-                _contextGroupRootContexts.TryAdd(handle, group);
-                return GetContextGroup(handle);
-            }
-            else
-            {
-                if (_contextGroupRootContexts.TryGetValue(shared, out int group))
-                    return group;
-
-                return GetContextGroup(shared);
-            }
-        }
-
-        public class DummySwapGroup : ISwapGroup
-        {
-            public OpenGLContextHandle ContextHandle { get; }
-
-            public int SwapInterval
-            {
-                get
-                {
-                    TK.OpenGL.SetCurrentContext(ContextHandle);
-                    return TK.OpenGL.GetSwapInterval();
-                }
-                set
-                {
-                    TK.OpenGL.SetCurrentContext(ContextHandle);
-                    TK.OpenGL.SetSwapInterval(value);
-                }
-            }
-
-            public DummySwapGroup(OpenGLContextHandle handle)
-            {
-                ContextHandle = handle;
-            }
-
-            public void Swap()
-            {
-                TK.OpenGL.SwapBuffers(ContextHandle);
-            }
-        }
-    }
-}

Dashboard.OpenTK/PAL2/OpenTKEventExtensions.cs

@@ -1,7 +0,0 @@
-namespace Dashboard.OpenTK.PAL2
-{
-    public static class OpenTKEventExtensions
-    {
-        // public static EventArgs ToDashboardEvent(this EventArgs)
-    }
-}

Dashboard.OpenTK/PAL2/Pal2DashboardBackend.cs

@@ -1,50 +0,0 @@
-using Dashboard.Windowing;
-using OpenTK.Graphics;
-using OpenTK.Platform;
-using TK = OpenTK.Platform.Toolkit;
-
-namespace Dashboard.OpenTK.PAL2
-{
-    public class Pal2DashboardBackend : IDashboardBackend
-    {
-        public GraphicsApiHints GraphicsApiHints { get; set; } = new OpenGLGraphicsApiHints();
-        public bool OpenGLBindingsInitialized { get; set; } = false;
-
-        public IPhysicalWindow CreatePhysicalWindow()
-        {
-            PhysicalWindow window = new PhysicalWindow(GraphicsApiHints);
-
-            if (!OpenGLBindingsInitialized)
-            {
-                OpenGLBindingsInitialized = true;
-                GLLoader.LoadBindings(
-                    new Pal2BindingsContext(TK.OpenGL, 
-                    ((OpenGLDeviceContext)window.DeviceContext).ContextHandle));
-            }
-
-            return window;
-        }
-
-        public virtual IWindow CreateWindow()
-        {
-            return CreatePhysicalWindow();
-        }
-
-        public void Dispose()
-        {
-        }
-
-        public void Initialize()
-        {
-        }
-
-        public void Leave()
-        {
-        }
-
-        public void RunEvents(bool wait)
-        {
-            TK.Window.ProcessEvents(wait);
-        }
-    }
-}

Dashboard.OpenTK/PAL2/PhysicalWindow.cs

@@ -1,164 +0,0 @@
-using System.Collections.Concurrent;
-using System.Drawing;
-using Dashboard.Drawing;
-using Dashboard.Events;
-using Dashboard.Windowing;
-using OpenTK.Mathematics;
-using OpenTK.Platform;
-using MouseMoveEventArgs = Dashboard.Events.MouseMoveEventArgs;
-using TK = OpenTK.Platform.Toolkit;
-
-namespace Dashboard.OpenTK.PAL2
-{
-    public class PhysicalWindow : IPhysicalWindow, IDrawQueuePaintable, IEventListener
-    {
-        public DrawQueue DrawQueue { get; } = new DrawQueue();
-        public WindowHandle WindowHandle { get; }
-        public IDeviceContext DeviceContext { get; }
-        public bool DoubleBuffered => true; // Always true for OpenTK windows.
-
-        public IWindowManager? WindowManager { get; set; }
-
-        public string Title
-        {
-            get => TK.Window.GetTitle(WindowHandle);
-            set => TK.Window.SetTitle(WindowHandle, value);
-        }
-
-        public SizeF OuterSize
-        {
-            get
-            {
-                TK.Window.GetSize(WindowHandle, out Vector2i size);
-                return new SizeF(size.X, size.Y);
-            }
-            set => TK.Window.SetSize(WindowHandle, new Vector2i((int)value.Width, (int)value.Height));
-        }
-
-        public SizeF ClientSize
-        {
-            get
-            {
-                TK.Window.GetClientSize(WindowHandle, out Vector2i size);
-                return new SizeF(size.X, size.Y);
-            }
-            set => TK.Window.SetClientSize(WindowHandle, new Vector2i((int)value.Width, (int)value.Height));
-        }
-
-        public event EventHandler? Painting;
-        public event EventHandler<AnimationTickEventArgs>? AnimationTimerEvent;
-        public event EventHandler<MouseMoveEventArgs>? MouseMoved;
-        public event EventHandler<MouseButtonEventArgs>? MouseButtonDown;
-        public event EventHandler<MouseButtonEventArgs>? MouseButtonUp;
-        public event EventHandler<MouseScrollEventArgs>? MouseScroll;
-
-        public PhysicalWindow(WindowHandle window, IDeviceContext dc)
-        {
-            WindowHandle = window;
-            DeviceContext = dc;
-            AddWindow(this);
-        }
-
-        public PhysicalWindow(WindowHandle window, OpenGLContextHandle context, ISwapGroup? swapGroup = null)
-        {
-            WindowHandle = window;
-            DeviceContext = new OpenGLDeviceContext(window, context, swapGroup);
-            AddWindow(this);
-        }
-
-        public PhysicalWindow(GraphicsApiHints hints)
-        {
-            WindowHandle = TK.Window.Create(hints);
-            DeviceContext = CreateDeviceContext(WindowHandle, hints);
-            AddWindow(this);
-        }
-
-        private static IDeviceContext CreateDeviceContext(WindowHandle window, GraphicsApiHints hints)
-        {
-            switch (hints.Api)
-            {
-            case GraphicsApi.OpenGL:
-            case GraphicsApi.OpenGLES:
-                OpenGLContextHandle context = TK.OpenGL.CreateFromWindow(window);
-                return new OpenGLDeviceContext(window, context);
-            default:
-                throw new Exception($"Unknown graphics API {hints.Api}.");
-            }
-        }
-
-        private bool _isDisposed = false;
-        public void Dispose()
-        {
-            if (_isDisposed) return;
-            _isDisposed = true;
-
-            RemoveWindow(this);
-
-            (DeviceContext as IDisposable)?.Dispose();
-            TK.Window.Destroy(WindowHandle);
-        }
-
-        protected virtual void OnPaint()
-        {
-            WindowManager?.Paint();
-            Painting?.Invoke(this, EventArgs.Empty);
-        }
-
-        public void Paint()
-        {
-            DrawQueue.Clear();
-            OnPaint();
-        }
-
-        protected virtual void OnAnimationTimerEvent(AnimationTickEventArgs ea) =>
-            AnimationTimerEvent?.Invoke(this, ea);
-
-        protected virtual void OnMouseMoved(MouseMoveEventArgs ea) => MouseMoved?.Invoke(this, ea);
-
-        protected virtual void OnMouseButtonDown(MouseButtonEventArgs ea) => MouseButtonDown?.Invoke(this, ea);
-
-        protected virtual void OnMouseButtonUp(MouseButtonEventArgs ea) => MouseButtonUp?.Invoke(this, ea);
-
-        protected virtual void OnMouseScroll(MouseScrollEventArgs ea) => MouseScroll?.Invoke(this, ea);
-
-        public void SendEvent(EventArgs args)
-        {
-        }
-
-        private static readonly ConcurrentDictionary<WindowHandle, PhysicalWindow> _windows =
-            new ConcurrentDictionary<WindowHandle, PhysicalWindow>();
-
-        static PhysicalWindow()
-        {
-            EventQueue.EventRaised += EventQueueOnEventRaised;
-        }
-
-        private static void AddWindow(PhysicalWindow window)
-        {
-            _windows.TryAdd(window.WindowHandle, window);
-        }
-
-        private static void RemoveWindow(PhysicalWindow window)
-        {
-            _windows.TryRemove(window.WindowHandle, out _);
-        }
-
-        private static void EventQueueOnEventRaised(PalHandle? handle, PlatformEventType type, EventArgs args)
-        {
-            if (handle is not WindowHandle windowHandle)
-                return;
-
-            if (!_windows.TryGetValue(windowHandle, out PhysicalWindow? window))
-                return;
-
-            switch (type)
-            {
-                case PlatformEventType.MouseMove:
-                case PlatformEventType.Scroll:
-                case PlatformEventType.MouseUp:
-                case PlatformEventType.MouseDown:
-                    break;
-            }
-        }
-    }
-}

Dashboard.sln

@@ -21,12 +21,6 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Dashboard.Drawing.OpenGL",
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Dashboard.ImmediateUI", "Dashboard.ImmediateUI\Dashboard.ImmediateUI.csproj", "{3F33197F-0B7B-4CD8-98BD-05D6D5EC76B2}"
 EndProject
-Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Frameworks", "Frameworks", "{9B62A92D-ABF5-4704-B831-FD075515A82F}"
-EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Dashboard.OpenTK", "Dashboard.OpenTK\Dashboard.OpenTK.csproj", "{7B064228-2629-486E-95C6-BDDD4B4602C4}"
-EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Dashboard.OpenGL", "Dashboard.OpenGL\Dashboard.OpenGL.csproj", "{33EB657C-B53A-41B4-BC3C-F38C09ABA577}"
-EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -57,20 +51,11 @@ Global
 		{3F33197F-0B7B-4CD8-98BD-05D6D5EC76B2}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{3F33197F-0B7B-4CD8-98BD-05D6D5EC76B2}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{3F33197F-0B7B-4CD8-98BD-05D6D5EC76B2}.Release|Any CPU.Build.0 = Release|Any CPU
-		{7B064228-2629-486E-95C6-BDDD4B4602C4}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{7B064228-2629-486E-95C6-BDDD4B4602C4}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{7B064228-2629-486E-95C6-BDDD4B4602C4}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{7B064228-2629-486E-95C6-BDDD4B4602C4}.Release|Any CPU.Build.0 = Release|Any CPU
-		{33EB657C-B53A-41B4-BC3C-F38C09ABA577}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{33EB657C-B53A-41B4-BC3C-F38C09ABA577}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{33EB657C-B53A-41B4-BC3C-F38C09ABA577}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{33EB657C-B53A-41B4-BC3C-F38C09ABA577}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
 	EndGlobalSection
 	GlobalSection(NestedProjects) = preSolution
 		{7C90B90B-DF31-439B-9080-CD805383B014} = {9D6CCC74-4DF3-47CB-B9B2-6BB75DF2BC40}
-		{7B064228-2629-486E-95C6-BDDD4B4602C4} = {9B62A92D-ABF5-4704-B831-FD075515A82F}
 	EndGlobalSection
 EndGlobal

Dashboard/Application.cs

@@ -1,130 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Threading;
-using Dashboard.Windowing;
-
-namespace Dashboard
-{
-    public class Application : IDisposable
-    {
-        public IDashboardBackend Backend { get; }
-        public IWindowFactory WindowFactory { get; set; }
-
-        public string Name { get; } = "Dashboard Application";
-
-        protected bool IsInitialized { get; private set; } = false;
-        protected bool IsDisposed { get; private set; } = false;
-
-        private readonly List<IPhysicalWindow> _physicalWindows = new List<IPhysicalWindow>();
-
-        public event EventHandler? PreInitializing;
-        public event EventHandler? Initializing;
-        public event EventHandler? PostInitializing;
-        public event EventHandler? Leaving;
-
-        public Application(IDashboardBackend backend)
-        {
-            Backend = backend;
-            WindowFactory = backend;
-        }
-
-        protected virtual void PreInitialize()
-        {
-            PreInitializing?.Invoke(this, EventArgs.Empty);
-        }
-
-        public virtual void Initialize()
-        {
-            Backend.Initialize();
-            Initializing?.Invoke(this, EventArgs.Empty);
-        }
-
-        protected virtual void PostInitialize()
-        {
-            PostInitializing?.Invoke(this, EventArgs.Empty);
-        }
-
-        private void InitializeInternal()
-        {
-            if (IsInitialized)
-                return;
-
-            IsInitialized = true;
-
-            PreInitialize();
-            Initialize();
-            PostInitialize();
-        }
-
-        public virtual void RunEvents(bool wait)
-        {
-            if (!IsInitialized)
-                throw new InvalidOperationException("The application is not initialized. Cannot run events at this time.");
-
-            Backend.RunEvents(wait);
-        }
-
-        public virtual void Leave()
-        {
-            Backend.Leave();
-        }
-
-        public void Run() => Run(true, CancellationToken.None);
-        public void Run(bool wait) => Run(wait, CancellationToken.None);
-        
-        public void Run(bool waitForEvents, CancellationToken token)
-        {
-            InitializeInternal();
-
-            while (!token.IsCancellationRequested)
-            {
-                RunEvents(waitForEvents);
-
-                foreach (IPhysicalWindow window in _physicalWindows)
-                {
-                    window.Paint();
-                }
-            }
-
-            Leave();
-        }
-
-        /// <inheritdoc cref="IWindowFactory.CreateWindow"/>
-        public IWindow CreateWindow()
-        {
-            IWindow window = WindowFactory.CreateWindow();
-
-            if (window is IPhysicalWindow physical)
-                _physicalWindows.Add(physical);
-
-            return window;
-        }
-
-        /// <inheritdoc cref="IWindowFactory.CreatePhysicalWindow"/>
-        public IPhysicalWindow CreatePhysicalWindow()
-        {
-            IPhysicalWindow window = WindowFactory.CreatePhysicalWindow();
-            _physicalWindows.Add(window);
-            return window;
-        } 
-
-        protected virtual void Dispose(bool disposing)
-        {
-        }
-
-        protected void InvokeDispose(bool disposing)
-        {
-            if (IsDisposed)
-                return;
-
-            IsDisposed = true;
-
-            Dispose(disposing);
-
-            if (disposing)
-                GC.SuppressFinalize(this);
-        }
-
-        public void Dispose() => InvokeDispose(true);
-    }
-}

Dashboard/Controls/ClassSet.cs

@@ -1,77 +0,0 @@
-using System;
-using System.Collections;
-using System.Collections.Generic;
-
-namespace Dashboard.Controls
-{
-    public enum ClassChangeType
-    {
-        Added,
-        Removed,
-    }
-
-    public record struct ClassChanged(object? Owner, string ClassName, ClassChangeType Type);
-
-    public class ClassSet : ICollection<string>
-    {
-        public int Count => _classes.Count;
-        public bool IsReadOnly => false;
-        public object? Owner { get; }
-        public event EventHandler<ClassChanged>? ClassChanged;
-
-        private readonly HashSet<string> _classes = new HashSet<string>();
-
-        public ClassSet(object? owner)
-        {
-            Owner = owner;
-        }
-
-        public IEnumerator<string> GetEnumerator() => _classes.GetEnumerator();
-
-        IEnumerator IEnumerable.GetEnumerator()
-        {
-            return GetEnumerator();
-        }
-
-        public void Add(string item)
-        {
-            if (_classes.Add(item))
-            {
-                OnClassAdded(item);
-            }
-        }
-
-        public void Clear()
-        {
-            foreach (string @class in _classes)
-                OnClassRemoved(@class);
-
-            _classes.Clear();
-        }
-
-        public bool Contains(string item) => _classes.Contains(item);
-
-        public void CopyTo(string[] array, int arrayIndex) => _classes.CopyTo(array, arrayIndex);
-
-        public bool Remove(string item)
-        {
-            if (_classes.Remove(item))
-            {
-                OnClassRemoved(item);
-                return true;
-            }
-
-            return false;
-        }
-
-        private void OnClassAdded(string @class)
-        {
-            ClassChanged?.Invoke(this, new ClassChanged(Owner, @class, ClassChangeType.Added));
-        }
-
-        private void OnClassRemoved(string @class)
-        {
-            ClassChanged?.Invoke(this, new ClassChanged(Owner, @class, ClassChangeType.Removed));
-        }
-    }
-}

Dashboard/Controls/Control.cs

@@ -1,68 +0,0 @@
-using System;
-using Dashboard.Drawing;
-using Dashboard.Windowing;
-
-namespace Dashboard.Controls
-{
-    public class Control : IEventListener, IDrawQueuePaintable, IDisposable
-    {
-        public string? Id { get; set; }
-        public ClassSet Classes { get; }
-        public Form? Owner { get; protected set; } = null;
-        public Control? Parent { get; private set; } = null;
-        public bool Disposed { get; private set; }
-        public virtual DrawQueue DrawQueue => Owner?.DrawQueue ?? throw NoOwnerException;
-        public virtual Box2d ClientArea { get; set; }
-
-        public event EventHandler? Painting;
-        public event EventHandler? OwnerChanged;
-        public event EventHandler? ParentChanged;
-        public event EventHandler? Disposing;
-        public event EventHandler? Resized;
-
-        public Control()
-        {
-            Classes = new ClassSet(this);
-        }
-
-        public virtual void OnPaint()
-        {
-            Painting?.Invoke(this, EventArgs.Empty);
-        }
-
-        public void Paint()
-        {
-            OnPaint();
-        }
-
-        protected void InvokeDispose(bool disposing)
-        {
-            if (Disposed)
-                return;
-            Disposed = true;
-
-            Dispose(disposing);
-
-            if (disposing)
-                GC.SuppressFinalize(this);
-        }
-
-        protected virtual void Dispose(bool disposing)
-        {
-        }
-
-        public void Dispose() => InvokeDispose(true);
-
-        public void SendEvent(EventArgs args)
-        {
-            throw new NotImplementedException();
-        }
-
-        internal static void SetParent(Control parent, Control child)
-        {
-            child.Parent = parent;
-        }
-
-        protected static Exception NoOwnerException => new Exception("No form owns this control");
-    }
-}

Dashboard/Controls/Form.cs

@@ -1,23 +0,0 @@
-using Dashboard.Drawing;
-using Dashboard.Windowing;
-
-namespace Dashboard.Controls
-{
-    public class Form : Control
-    {
-        public IWindow Window { get; }
-        public override DrawQueue DrawQueue { get; }
-
-        public override Box2d ClientArea
-        {
-            get => new Box2d(0, 0, Window.ClientSize.Width, Window.ClientSize.Height);
-            set { }
-        }
-
-        public Form(IWindow window)
-        {
-            Window = window;
-            DrawQueue = (window as IDrawQueuePaintable)?.DrawQueue ?? new DrawQueue();
-        }
-    }
-}

Dashboard/Controls/Label.cs

@@ -1,37 +0,0 @@
-using System;
-using System.Drawing;
-using System.Numerics;
-using Dashboard.Drawing;
-
-namespace Dashboard.Controls
-{
-    public class Label : Control
-    {
-        public bool AutoSize { get; set; } = true;
-        public string Text { get; set; } = "";
-
-        public event EventHandler? TextChanged;
-
-        protected IBrush TextBrush => throw new NotImplementedException();
-        protected IFont Font => throw new NotImplementedException();
-
-        protected virtual void OnTextChanged(string oldValue, string newValue)
-        {
-            if (AutoSize)
-                CalculateSize();
-        }
-
-        protected void CalculateSize()
-        {
-            SizeF sz = Typesetter.MeasureString(Font, Text);
-            ClientArea = new Box2d(ClientArea.Min, ClientArea.Min + (Vector2)sz);
-        }
-
-
-        public override void OnPaint()
-        {
-            base.OnPaint();
-            DrawQueue.Text(new Vector3(ClientArea.Min, 0), TextBrush, Text, Font);
-        }
-    }
-}

Dashboard/Dashboard.csproj

@@ -6,9 +6,4 @@
     <Nullable>enable</Nullable>
   </PropertyGroup>
 
-  <ItemGroup>
-    <ProjectReference Include="..\Dashboard.Common\Dashboard.Common.csproj" />
-    <ProjectReference Include="..\Dashboard.Drawing\Dashboard.Drawing.csproj" />
-  </ItemGroup>
-
 </Project>

Dashboard/IDashboardBackend.cs

@@ -1,29 +0,0 @@
-using System;
-using Dashboard.Windowing;
-
-namespace Dashboard
-{
-    public interface IWindowFactory
-    {
-        /// <summary>
-        /// Creates a window. It could be a virtual window, or a physical window.
-        /// </summary>
-        /// <returns>A window.</returns>
-        IWindow CreateWindow();
-
-        /// <summary>
-        /// Always creates a physical window.
-        /// </summary>
-        /// <returns>A physical window.</returns>
-        IPhysicalWindow CreatePhysicalWindow();
-    }
-
-    public interface IDashboardBackend : IDisposable, IWindowFactory
-    {
-        void Initialize();
-
-        void RunEvents(bool wait);
-
-        void Leave();
-    }
-}

tests/Dashboard.TestApplication/Dashboard.TestApplication.csproj

@@ -11,7 +11,6 @@
     <ProjectReference Include="..\..\Dashboard.Drawing.OpenGL\Dashboard.Drawing.OpenGL.csproj" />
     <ProjectReference Include="..\..\Dashboard.Drawing\Dashboard.Drawing.csproj" />
     <ProjectReference Include="..\..\Dashboard.ImmediateUI\Dashboard.ImmediateUI.csproj" />
-    <ProjectReference Include="..\..\Dashboard.OpenTK\Dashboard.OpenTK.csproj" />
   </ItemGroup>
 
   <ItemGroup>

tests/Dashboard.TestApplication/Program.cs

@@ -1,16 +1,18 @@
 using Dashboard.Drawing;
 using System.Drawing;
 using System.Text;
+using Dashboard;
 using Dashboard.Drawing.OpenGL;
+using Dashboard.Drawing.OpenGL.Text;
 using Dashboard.ImmediateUI;
-using Dashboard.OpenTK.PAL2;
 using OpenTK.Graphics;
 using OpenTK.Platform;
 using OpenTK.Graphics.OpenGL;
 using OpenTK.Mathematics;
 using Box2d = Dashboard.Box2d;
 using TK = OpenTK.Platform.Toolkit;
-using Dashboard;
+using sys = System.Numerics;
+using otk = OpenTK.Mathematics;
 
 TK.Init(new ToolkitOptions()
 {
@@ -22,156 +24,185 @@ TK.Init(new ToolkitOptions()
     }
 });
 
-Application app = new Application(new Pal2DashboardBackend() 
+WindowHandle wnd = TK.Window.Create(new OpenGLGraphicsApiHints()
-{ 
+{
-    GraphicsApiHints = new OpenGLGraphicsApiHints()
+    Version = new Version(3, 2),
-    {
+    ForwardCompatibleFlag = true,
-        Version = new Version(3, 2),
+    DebugFlag = true,
-        ForwardCompatibleFlag = true,
+    Profile = OpenGLProfile.Core,
-        DebugFlag = true,
+    sRGBFramebuffer = true,
-        Profile = OpenGLProfile.Core,
-        sRGBFramebuffer = true,
 
-        SwapMethod = ContextSwapMethod.Undefined,
+    SwapMethod = ContextSwapMethod.Undefined,
 
-        RedColorBits = 8,
+    RedColorBits = 8,
-        GreenColorBits = 8,
+    GreenColorBits = 8,
-        BlueColorBits = 8,
+    BlueColorBits = 8,
-        AlphaColorBits = 8,
+    AlphaColorBits = 8,
-        Multisamples = 0,
+    Multisamples = 0,
 
-        SupportTransparentFramebufferX11 = true,
+    SupportTransparentFramebufferX11 = true,
-    }
 });
+TK.Window.SetTitle(wnd, "DashTerm");
+TK.Window.SetMinClientSize(wnd, 300, 200);
+TK.Window.SetClientSize(wnd, new Vector2i(320, 240));
+TK.Window.SetBorderStyle(wnd, WindowBorderStyle.ResizableBorder);
+// TK.Window.SetTransparencyMode(wnd, WindowTransparencyMode.TransparentFramebuffer, 0.1f);
 
-PhysicalWindow window;
+OpenGLContextHandle context = TK.OpenGL.CreateFromWindow(wnd);
+
+TK.OpenGL.SetCurrentContext(context);
+TK.OpenGL.SetSwapInterval(1);
+
+GLLoader.LoadBindings(new Pal2BindingsContext(TK.OpenGL, context));
+
+DrawQueue queue = new DrawQueue();
 SolidBrush fg = new SolidBrush(Color.FromArgb(0, 0, 0, 0));
 SolidBrush bg = new SolidBrush(Color.Black);
-CancellationTokenSource source = new CancellationTokenSource();
+bool shouldExit = false;
-GLEngine engine;
+
-ContextExecutor executor;
+GLEngine engine = new GLEngine();
-DimUI dimUI;
+engine.Initialize();
+
+GlContext dbGlContext = new GlContext(wnd, context);
+ContextExecutor executor = engine.GetExecutor(dbGlContext);
+DimUI dimUI = new DimUI(new DimUIConfig()
+{
+    Font = new NamedFont("Noto Sans", 9f),
+});
+
 Vector2 mousePos = Vector2.Zero;
 Random r = new Random();
-List<Vector3> points = new List<Vector3>();
+EventQueue.EventRaised += (handle, type, eventArgs) =>
-IFont font;
+{
-StringBuilder builder = new StringBuilder();
+    if (handle != wnd)
+        return;
 
-app.PostInitializing += (sender, ea) => {
+    switch (type)
-    window = (PhysicalWindow)app.CreatePhysicalWindow();
-
-    window.Title = "DashTerm";
-    TK.Window.SetMinClientSize(window.WindowHandle, 300, 200);
-    TK.Window.SetClientSize(window.WindowHandle, new Vector2i(320, 240));
-    TK.Window.SetBorderStyle(window.WindowHandle, WindowBorderStyle.ResizableBorder);
-    // TK.Window.SetTransparencyMode(wnd, WindowTransparencyMode.TransparentFramebuffer, 0.1f);
-
-    OpenGLDeviceContext context = (OpenGLDeviceContext)window.DeviceContext;
-
-    context.MakeCurrent();
-    context.SwapGroup.SwapInterval = 1;
-
-    engine = new GLEngine();
-    engine.Initialize();
-    
-    executor = engine.GetExecutor(context);
-
-    dimUI = new DimUI(new DimUIConfig()
     {
-        Font = new NamedFont("Noto Sans", 9f),
+        case PlatformEventType.Close:
-    });
+            shouldExit = true;
-
+            break;
-    EventQueue.EventRaised += (handle, type, eventArgs) =>
+        case PlatformEventType.MouseMove:
-    {
+            mousePos = ((MouseMoveEventArgs)eventArgs).ClientPosition;
-        if (handle != window.WindowHandle)
+            break;
-            return;
+    }
-
-        switch (type)
-        {
-            case PlatformEventType.Close:
-                source.Cancel();
-                break;
-            case PlatformEventType.MouseMove:
-                mousePos = ((MouseMoveEventArgs)eventArgs).ClientPosition;
-                break;
-        }
-    };
-
-    TK.Window.SetMode(window.WindowHandle, WindowMode.Normal);
-    font = Typesetter.LoadFont("Nimbus Mono", 12f);
-
-    window.Painting += (sender, ea) => {
-            TK.Window.GetFramebufferSize(context.WindowHandle, out Vector2i framebufferSize);
-            executor.BeginFrame();
-
-            dimUI.Begin(new Box2d(0, 0, framebufferSize.X, framebufferSize.Y), window.DrawQueue);
-            dimUI.Text("Hello World!");
-            dimUI.Button("Cancel"); dimUI.SameLine();
-            dimUI.Button("OK");
-
-            dimUI.Input("type me!", builder);
-
-            dimUI.BeginMenu();
-
-            if (dimUI.MenuItem("File"))
-            {
-                dimUI.BeginMenu();
-                dimUI.MenuItem("New Window");
-                dimUI.MenuItem("Preferences");
-                dimUI.MenuItem("Exit");
-                dimUI.EndMenu();
-            }
-
-            if (dimUI.MenuItem("Edit"))
-            {
-                dimUI.BeginMenu();
-                dimUI.MenuItem("Cut");
-                dimUI.MenuItem("Copy");
-                dimUI.MenuItem("Paste");
-
-                if (dimUI.MenuItem("Send Char"))
-                {
-                    dimUI.BeginMenu();
-                    dimUI.EndMenu();
-                }
-
-                dimUI.EndMenu();
-            }
-
-            if (dimUI.MenuItem("View"))
-            {
-                dimUI.BeginMenu();
-                dimUI.MenuItem("Clear");
-
-                if (dimUI.MenuItem("Set Size"))
-                {
-                    dimUI.BeginMenu();
-                    dimUI.MenuItem("24 x 40");
-                    dimUI.MenuItem("25 x 40");
-                    dimUI.MenuItem("24 x 80");
-                    dimUI.MenuItem("25 x 80");
-                    dimUI.MenuItem("25 x 120");
-                    dimUI.EndMenu();
-                }
-
-                dimUI.EndMenu();
-            }
-
-            dimUI.Finish();
-
-            GL.Viewport(0, 0, framebufferSize.X, framebufferSize.Y);
-            GL.ClearColor(0.3f, 0.3f, 0.3f, 1.0f);
-            GL.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit);
-            GL.Disable(EnableCap.DepthTest);
-            GL.Enable(EnableCap.Blend);
-            GL.BlendFunc(BlendingFactor.SrcAlpha, BlendingFactor.OneMinusSrcAlpha);
-            GL.ColorMask(true, true, true, true);
-
-            executor.Draw(window.DrawQueue);
-            executor.EndFrame();
-
-            context.SwapGroup.Swap();
-    };
 };
 
-app.Run(true, source.Token);
+TK.Window.SetMode(wnd, WindowMode.Normal);
+
+List<Vector3> points = new List<Vector3>();
+
+IFont font = Typesetter.LoadFont("Nimbus Mono", 12f);
+StringBuilder builder = new StringBuilder();
+
+while (!shouldExit)
+{
+    TK.Window.ProcessEvents(true);
+    TK.Window.GetFramebufferSize(wnd, out Vector2i framebufferSize);
+    executor.BeginFrame();
+
+    dimUI.Begin(new Box2d(0, 0, framebufferSize.X, framebufferSize.Y), queue);
+    dimUI.Text("Hello World!");
+    dimUI.Button("Cancel"); dimUI.SameLine();
+    dimUI.Button("OK");
+
+    dimUI.Input("type me!", builder);
+
+    dimUI.BeginMenu();
+
+    if (dimUI.MenuItem("File"))
+    {
+        dimUI.BeginMenu();
+        dimUI.MenuItem("New Window");
+        dimUI.MenuItem("Preferences");
+        dimUI.MenuItem("Exit");
+        dimUI.EndMenu();
+    }
+
+    if (dimUI.MenuItem("Edit"))
+    {
+        dimUI.BeginMenu();
+        dimUI.MenuItem("Cut");
+        dimUI.MenuItem("Copy");
+        dimUI.MenuItem("Paste");
+
+        if (dimUI.MenuItem("Send Char"))
+        {
+            dimUI.BeginMenu();
+            dimUI.EndMenu();
+        }
+
+        dimUI.EndMenu();
+    }
+
+    if (dimUI.MenuItem("View"))
+    {
+        dimUI.BeginMenu();
+        dimUI.MenuItem("Clear");
+
+        if (dimUI.MenuItem("Set Size"))
+        {
+            dimUI.BeginMenu();
+            dimUI.MenuItem("24 x 40");
+            dimUI.MenuItem("25 x 40");
+            dimUI.MenuItem("24 x 80");
+            dimUI.MenuItem("25 x 80");
+            dimUI.MenuItem("25 x 120");
+            dimUI.EndMenu();
+        }
+
+        dimUI.EndMenu();
+    }
+
+    dimUI.Finish();
+
+    GL.Viewport(0, 0, framebufferSize.X, framebufferSize.Y);
+    GL.ClearColor(0.3f, 0.3f, 0.3f, 1.0f);
+    GL.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit);
+    GL.Disable(EnableCap.DepthTest);
+    GL.Enable(EnableCap.Blend);
+    GL.BlendFunc(BlendingFactor.SrcAlpha, BlendingFactor.OneMinusSrcAlpha);
+    GL.ColorMask(true, true, true, true);
+
+    executor.Draw(queue);
+    executor.EndFrame();
+    queue.Clear();
+
+    TK.OpenGL.SwapBuffers(context);
+}
+
+class GlContext : IGLContext
+{
+    public WindowHandle Window { get; }
+    public OpenGLContextHandle Context { get; }
+    public int ContextGroup { get; } = -1;
+
+    public Size FramebufferSize
+    {
+        get
+        {
+            TK.Window.GetFramebufferSize(Window, out Vector2i framebufferSize);
+            return new Size(framebufferSize.X, framebufferSize.Y);
+        }
+    }
+
+    public event Action? Disposed;
+
+    public GlContext(WindowHandle window, OpenGLContextHandle context)
+    {
+        Window = window;
+        Context = context;
+
+        OpenGLContextHandle? shared = TK.OpenGL.GetSharedContext(context);
+        if (shared != null)
+        {
+            ContextGroup = _contexts.IndexOf(shared);
+        }
+        else
+        {
+            _contexts.Add(context);
+        }
+    }
+
+    private static readonly List<OpenGLContextHandle> _contexts = new List<OpenGLContextHandle>();
+}