Push a fix for the upstream issue in ReFuel.

- Refactored DirectRendering class to support new IDirectRendering interface and manage textures directly.
- Enhanced ImmediateMode to utilize ImmediateVertex struct for immediate rendering calls.
- Updated Image class to use IDirectRendering for texture creation.
- Modified test application to demonstrate immediate mode rendering with new structures.
- Removed obsolete code related to previous rendering abstractions.

Dashboard.Common/Drawing/DrawCall.cs

@@ -1,3 +1,4 @@
+using System.Collections.Immutable;
 using System.Diagnostics.CodeAnalysis;
 using System.Drawing;
 using System.Numerics;
@@ -176,11 +177,18 @@ namespace Dashboard.Drawing
         public int Divisor { get; init; } = 1;
     }
 
+    public record VertexSpecification(
+        ImmutableList<VertexAttribute> Attributes,
+        ImmutableList<IBuffer?> VertexBuffers
+    )
+    {
+        public IBuffer? ElementBuffer { get; init; } = null;
+    }
+
     public record struct UniformDescriptor(int Location, UniformType Type, long Offset, long Size);
 
-    public struct DrawCall(MeshPrimitive primitive, IBuffer vertexBuffer, int first, int count)
+    public struct PipelineState()
     {
-        public IShader? ShaderPipeline { get; init; }
         public Box2d ViewportRegion { get; init; } = new Box2d(Vector2.Zero, Vector2.PositiveInfinity);
         public Box2d ScissorRegion { get; init; } = new Box2d(Vector2.PositiveInfinity, Vector2.PositiveInfinity);
         public WindingOrder FrontFace { get; init; } = WindingOrder.Counterclockwise;
@@ -188,28 +196,46 @@ namespace Dashboard.Drawing
         public BlendMode BlendMode { get; init; } = BlendMode.Normal;
         public DepthMode DepthMode { get; init; } = DepthMode.Enabled;
         public StencilMode StencilMode { get; init; } = StencilMode.Off;
-        public bool EnableRestart { get; init; } = false;
-        public long RestartIndex { get; init; } = -1;
         public bool RedMask { get; init; } = true;
         public bool GreenMask { get; init; } = true;
         public bool BlueMask { get; init; } = true;
         public bool AlphaMask { get; init; } = true;
         public float PointSize { get; init; }= 1.0f;
         public float LineWidth { get; init; }= 1.0f;
+    }
+
+    public struct DrawCall(MeshPrimitive primitive, VertexSpecification vertexSpec, int first, int count)
+    {
+        public IShader? ShaderPipeline { get; init; }
+        public PipelineState PipelineState { get; init; } = new PipelineState();
+        public VertexSpecification VertexSpecification { get; init; } = vertexSpec;
 
         public MeshPrimitive Primitive { get; init; } = primitive;
+        public int First { get; init; } = first;
+        public int Count { get; init; } = count;
+        public int BaseVertex { get; init; } = 0;
+        public long Offset { get; init; } = 0;
+        public bool EnableRestart { get; init; } = false;
+        public long RestartIndex { get; init; } = -1;
+
+        public Box2d ViewportRegion => PipelineState.ViewportRegion;
+        public Box2d ScissorRegion => PipelineState.ScissorRegion;
+        public WindingOrder FrontFace => PipelineState.FrontFace;
+        public FaceCulling CullMode => PipelineState.CullMode;
+        public BlendMode BlendMode => PipelineState.BlendMode;
+        public DepthMode DepthMode => PipelineState.DepthMode;
+        public StencilMode StencilMode => PipelineState.StencilMode;
+        public bool RedMask => PipelineState.RedMask;
+        public bool GreenMask => PipelineState.GreenMask;
+        public bool BlueMask => PipelineState.BlueMask;
+        public bool AlphaMask => PipelineState.AlphaMask;
+        public float PointSize => PipelineState.PointSize;
+        public float LineWidth => PipelineState.LineWidth;
+
         public List<ITexture?> Textures { get; init; } = [];
-        public List<VertexAttribute> Attributes { get; init; } = [];
         public List<UniformDescriptor> Uniforms { get; init; } = [];
         public IndexType IndexType { get; init; } = IndexType.UnsignedShort;
 
-        public int First { get; init; } = first;
-        public int Count { get; init; } = count;
-        public long Offset { get; init; } = 0;
-        public int BaseVertex { get; init; } = 0;
-
-        public IBuffer VertexBuffer { get; init; } = vertexBuffer;
-        public IBuffer? ElementBuffer { get; init; }
         public ReadOnlyMemory<byte> UniformData { get; init; } = ReadOnlyMemory<byte>.Empty;
         public IBuffer? UniformBuffer { get; init; }
     }

Dashboard.Common/Drawing/IBuffer.cs

@@ -0,0 +1,43 @@
+namespace Dashboard.Drawing
+{
+    public enum BufferAccessPattern
+    {
+        /// <summary>
+        /// No hint given. Not recommended.
+        /// </summary>
+        DontCare,
+
+        /// <summary>
+        /// For buffers which have a long lifetime, but the contents are initialized once.
+        /// </summary>
+        Static,
+
+        /// <summary>
+        /// For buffers which have a long lifetime, but the contents can be updated every frame.
+        /// </summary>
+        Stream,
+
+        /// <summary>
+        /// For buffers which have a short lifetime, used for streaming resources to the graphics hardware.
+        /// </summary>
+        Upload,
+
+        /// <summary>
+        /// For buffers which have a short lifetime, used for streaming resources from the graphics hardware.
+        /// </summary>
+        Download,
+    }
+
+
+    public interface IBuffer : IDisposable
+    {
+        public BufferAccessPattern AccessPattern { get; }
+        public long Size { get; }
+
+        void Reallocate(long newSize);
+        Span<T> Map<T>(long offset, int count = -1) where T : unmanaged;
+        void Unmap();
+        void Read<T>(long offset, Span<T> span) where T : unmanaged;
+        void Write<T>(long offset, ReadOnlySpan<T> span) where T : unmanaged;
+    }
+}

Dashboard.Common/Drawing/IDirectRendering.cs

@@ -2,66 +2,49 @@ using Dashboard.Pal;
 
 namespace Dashboard.Drawing
 {
-    public interface IShader : IDisposable
-    {
-    }
-
-    /// <summary>
-    /// Base interface for creating shader pipelines.
-    /// </summary>
-    public interface IShaderCreateInfo
-    {
-    }
-
-    public enum BufferAccessPattern
-    {
-        /// <summary>
-        /// No hint given. Not recommended.
-        /// </summary>
-        DontCare,
-
-        /// <summary>
-        /// For buffers which have a long lifetime, but the contents are initialized once.
-        /// </summary>
-        Static,
-
-        /// <summary>
-        /// For buffers which have a long lifetime, but the contents can be updated every frame.
-        /// </summary>
-        Stream,
-
-        /// <summary>
-        /// For buffers which have a short lifetime, used for streaming resources to the graphics hardware.
-        /// </summary>
-        Upload,
-
-        /// <summary>
-        /// For buffers which have a short lifetime, used for streaming resources from the graphics hardware.
-        /// </summary>
-        Download,
-    }
-
-    public interface IBuffer : IDisposable
-    {
-        public BufferAccessPattern AccessPattern { get; }
-        public long Size { get; }
-
-        void Reallocate(long newSize);
-        Span<T> Map<T>(long offset, int count = -1) where T : unmanaged;
-        void Unmap();
-        void Read<T>(long offset, Span<T> span) where T : unmanaged;
-        void Write<T>(long offset, ReadOnlySpan<T> span) where T : unmanaged;
-    }
-
     /// <summary>
     /// This extension provides direct access to the backend rendering pipeline without writing with a higher level
     /// abstraction than the rendering backend.
     /// </summary>
     public interface IDirectRendering : IDeviceContextExtension
     {
-        public IShader CreatePipeline<T>(T createInfo) where T : IShaderCreateInfo;
+        /// <summary>
-        public IBuffer CreateBuffer(BufferAccessPattern pattern, long size);
+        /// Create a shader program.
+        /// </summary>
+        /// <typeparam name="T">Type of the shader create info object.</typeparam>
+        /// <param name="createInfo">An object which describes how the shader is created.</param>
+        /// <returns>A shader program object.</returns>
+        /// <seealso cref="SpirvShaderCreateInfo"/> 
+        /// <seealso cref="GlslShaderCreateInfo"/>
+        /// <seealso cref="GlslComputeShaderCreateInfo"/>
+        IShader CreateShader<T>(T createInfo) where T : IShaderCreateInfo;
 
+        /// <summary>
+        /// Create a texture object.
+        /// </summary>
+        /// <param name="type">Type of texture to create.</param>
+        /// <returns>An empty texture object.</returns>
+        ITexture CreateTexture(TextureType type);
+
+        /// <summary>
+        /// Create a buffer object.
+        /// </summary>
+        /// <param name="pattern">Buffer access pattern hint.</param>
+        /// <param name="size">Initial capacity of the buffer in bytes.</param>
+        /// <returns>An empty buffer object.</returns>
+        IBuffer CreateBuffer(BufferAccessPattern pattern, long size);
+
+        /// <summary>
+        /// Enqueue a draw call.
+        /// </summary>
+        /// <param name="drawCall">The draw call to enqueue.</param>
         void Draw(DrawCall drawCall);
     }
+
+    [Obsolete("Use IDirectRendering instead.")]
+    public interface ITextureExtension : IDeviceContextExtension
+    {
+        /// <inheritdoc cref="IDirectRendering.CreateTexture(TextureType)"/>
+        ITexture CreateTexture(TextureType type);
+    }
 }

Dashboard.Common/Drawing/IImmediateMode.cs

@@ -1,5 +1,7 @@
+using System.Data;
 using System.Drawing;
 using System.Numerics;
+using System.Runtime.InteropServices;
 using Dashboard.Layout;
 using Dashboard.Pal;
 
@@ -7,8 +9,57 @@ namespace Dashboard.Drawing
 {
     public record struct RectangleDrawInfo(Vector2 Position, ComputedBox Box, Brush Fill, Brush? Border = null);
 
+    [StructLayout(LayoutKind.Explicit, Size = Size)]
+    public struct ImmediateVertex()
+    {
+        [field: FieldOffset(PosOffset)]
+        public Vector3 Position { get; init; }= Vector3.Zero;
+        
+        [field: FieldOffset(TexCoordsOffset)]
+        public Vector2 TexCoords { get; init; } = Vector2.Zero;
+        
+        [field: FieldOffset(ColorOffset)]
+        public Vector4 Color { get; init; } = Vector4.One;
+
+        public ImmediateVertex(Vector3 position, Vector2 texCoords, Vector4 color) : this()
+        {
+            Position = position;
+            TexCoords = texCoords;
+            Color = color;
+        }
+
+        public ImmediateVertex(Vector3 position, Vector2 texCoords, Color color) 
+            : this(
+                position,
+                texCoords,
+                new Vector4(color.R / 255f, color.G / 255f, color.B / 255f, color.A / 255f))
+        {
+        }
+
+        public const int Size = 16 * sizeof(float);
+        public const int PosOffset = 0 * sizeof(float);
+        public const int TexCoordsOffset = 4 * sizeof(float);
+        public const int ColorOffset = 8 * sizeof(float);
+    }
+
+    public struct ImmediateDrawCall(MeshPrimitive primitive, ReadOnlyMemory<ImmediateVertex> vertices)
+    {
+        public MeshPrimitive Primitive { get; init; } = primitive;
+        public ReadOnlyMemory<ImmediateVertex> Vertices { get; init; } = vertices;
+        public PipelineState PipelineState { get; init; } = new PipelineState();
+        public Matrix4x4 Transforms { get; init; } = Matrix4x4.Identity;
+        public ITexture? Texture { get; init; } = null;
+    }
+
     public interface IImmediateMode : IDeviceContextExtension
     {
+        /// <summary>
+        /// Enqueue a draw with the immediate mode shader pipeline.
+        /// </summary>
+        /// <param name="call">Information about this draw call.</param>
+        void DrawImmediate(ImmediateDrawCall call);
+
+        // TODO: move these to their own extension?
         void Line(Vector2 a, Vector2 b, float width, float depth, Vector4 color);
         void Rectangle(Box2d rectangle, float depth, Vector4 color);
         void Rectangle(in RectangleDrawInfo rectangle);

Dashboard.Common/Drawing/IShader.cs

@@ -0,0 +1,21 @@
+using System.Collections.Immutable;
+
+namespace Dashboard.Drawing
+{
+    /// <summary>
+    /// Base interface for creating shader pipelines.
+    /// </summary>
+    public interface IShaderCreateInfo
+    {
+    }
+
+    public readonly record struct ShaderMappingProperty(string Name, int Index);
+
+    public interface IShader : IDisposable
+    {
+        public ImmutableList<ShaderMappingProperty> Attributes { get; }
+        public ImmutableList<ShaderMappingProperty> Uniforms { get; }
+        public ImmutableList<ShaderMappingProperty> Blocks { get; }
+        public ImmutableList<ShaderMappingProperty> Textures { get; }
+    }
+}

Dashboard.Common/Drawing/ITexture.cs

@@ -1,13 +1,7 @@
 using System.Drawing;
-using Dashboard.Pal;
 
 namespace Dashboard.Drawing
 {
-    public interface ITextureExtension : IDeviceContextExtension
-    {
-        ITexture CreateTexture(TextureType type);
-    }
-
     public enum TextureType
     {
         Texture1D,

Dashboard.Common/Drawing/Image.cs

@@ -30,7 +30,7 @@ namespace Dashboard.Drawing
             if (Textures.TryGetValue(dc, out ITexture? texture))
                 return texture;
 
-            ITextureExtension ext = dc.ExtensionRequire<ITextureExtension>();
+            IDirectRendering ext = dc.ExtensionRequire<IDirectRendering>();
             texture = ext.CreateTexture(Type);
             texture.SetStorage(Format, Width, Height, Depth, Levels);
             for (int i = 0; i < Levels; i++)

Dashboard.Common/Pal/Application.cs

@@ -192,11 +192,11 @@ namespace Dashboard.Pal
 
         public void Dispose() => InvokeDispose(true);
 
-        [ThreadStatic] private static Application _current;
+        [field: ThreadStatic]
         public static Application Current
         {
-            get => _current ?? throw new InvalidOperationException("There is currently no current application.");
+            get => field ?? throw new InvalidOperationException("There is currently no current application.");
-            set => _current = value;
+            set;
         }
     }
 }

Dashboard.Drawing.OpenGL/CommandInfo.cs

@@ -1,48 +0,0 @@
-using System.Numerics;
-using System.Runtime.InteropServices;
-
-namespace Dashboard.Drawing.OpenGL
-{
-    public enum SimpleDrawCommand : int
-    {
-        Point = 1,
-        Line = 2,
-        Rect = 3,
-
-        /// <summary>
-        /// Make sure your custom commands have values higher than this if you plan on using the default command
-        /// buffer.
-        /// </summary>
-        CustomCommandStart = 4096
-    }
-
-    [StructLayout(LayoutKind.Explicit, Size = 64)]
-    public struct CommandInfo
-    {
-        [FieldOffset(0)]
-        public SimpleDrawCommand Type;
-
-        [FieldOffset(4)]
-        public int Flags;
-
-        [FieldOffset(8)]
-        public float Arg0;
-        [FieldOffset(12)]
-        public float Arg1;
-
-        [FieldOffset(16)]
-        public int FgGradientIndex;
-        [FieldOffset(20)]
-        public int FgGradientCount;
-        [FieldOffset(24)]
-        public int BgGradientIndex;
-        [FieldOffset(28)]
-        public int BgGradientCount;
-
-        [FieldOffset(32)]
-        public Vector4 FgColor;
-
-        [FieldOffset(48)]
-        public Vector4 BgColor;
-    }
-}

Dashboard.Drawing.OpenGL/ContextExecutor.cs

@@ -1,184 +0,0 @@
-using System.Drawing;
-using Dashboard.Drawing.OpenGL.Executors;
-using Dashboard.OpenGL;
-using OpenTK.Mathematics;
-
-namespace Dashboard.Drawing.OpenGL
-{
-    public interface ICommandExecutor
-    {
-        IEnumerable<string> Extensions { get; }
-        IContextExecutor Executor { get; }
-
-        void SetContextExecutor(IContextExecutor executor);
-
-        void BeginFrame();
-
-        void BeginDraw();
-
-        void EndDraw();
-
-        void EndFrame();
-
-        void ProcessCommand(ICommandFrame frame);
-    }
-
-    public interface IContextExecutor : IInitializer, IGLDisposable
-    {
-        GLEngine Engine { get; }
-        IGLContext Context { get; }
-        ContextResourcePool ResourcePool { get; }
-        TransformStack TransformStack { get; }
-    }
-
-    public class ContextExecutor : IContextExecutor
-    {
-        public GLEngine Engine { get; }
-        public IGLContext Context { get; }
-        public ContextResourcePool ResourcePool { get; }
-        public TransformStack TransformStack { get; } = new TransformStack();
-        protected bool IsDisposed { get; private set; } = false;
-        public bool IsInitialized { get; private set; } = false;
-
-        private readonly List<ICommandExecutor> _executorsList = new List<ICommandExecutor>();
-
-        private readonly Dictionary<string, ICommandExecutor> _executorsMap = new Dictionary<string, ICommandExecutor>();
-
-        public ContextExecutor(GLEngine engine, IGLContext context)
-        {
-            Engine = engine;
-            Context = context;
-
-            ResourcePool = Engine.ResourcePoolManager.Get(context);
-            ResourcePool.IncrementReference();
-
-            AddExecutor(new BaseCommandExecutor());
-            AddExecutor(new TextCommandExecutor());
-        }
-
-        ~ContextExecutor()
-        {
-            DisposeInvoker(true, false);
-        }
-
-        public void AddExecutor(ICommandExecutor executor, bool overwrite = false)
-        {
-            if (IsInitialized)
-                throw new Exception("This context executor is already initialized. Cannot add new command executors.");
-
-            IInitializer? initializer = executor as IInitializer;
-
-            if (initializer?.IsInitialized == true)
-                throw new InvalidOperationException("This command executor has already been initialized, cannot add here.");
-
-            if (!overwrite)
-            {
-                foreach (string extension in executor.Extensions)
-                {
-                    if (_executorsMap.ContainsKey(extension))
-                        throw new InvalidOperationException("An executor already handles this extension.");
-                }
-            }
-
-            foreach (string extension in executor.Extensions)
-            {
-                _executorsMap[extension] = executor;
-            }
-            _executorsList.Add(executor);
-
-            executor.SetContextExecutor(this);
-        }
-
-        public void Initialize()
-        {
-            if (IsInitialized)
-                return;
-            IsInitialized = true;
-
-            foreach (ICommandExecutor executor in _executorsList)
-            {
-                if (executor is IInitializer initializer)
-                    initializer.Initialize();
-            }
-        }
-
-        public virtual void BeginFrame()
-        {
-            foreach (ICommandExecutor executor in _executorsList)
-                executor.BeginFrame();
-        }
-
-        protected virtual void BeginDraw()
-        {
-            foreach (ICommandExecutor executor in _executorsList)
-                executor.BeginDraw();
-        }
-
-        protected virtual void EndDraw()
-        {
-            foreach (ICommandExecutor executor in _executorsList)
-                executor.EndDraw();
-        }
-
-        public virtual void EndFrame()
-        {
-            ResourcePool.Collector.Dispose();
-            TransformStack.Clear();
-
-            foreach (ICommandExecutor executor in _executorsList)
-                executor.EndFrame();
-        }
-
-        public void Draw(DrawQueue drawqueue) => Draw(drawqueue, new RectangleF(new PointF(0f,0f), Context.FramebufferSize));
-
-        public virtual void Draw(DrawQueue drawQueue, RectangleF bounds, float scale = 1.0f)
-        {
-            BeginDraw();
-
-            if (scale != 1.0f)
-                TransformStack.Push(Matrix4.CreateScale(scale, scale, 1));
-
-            foreach (ICommandFrame frame in drawQueue)
-            {
-                if (_executorsMap.TryGetValue(frame.Command.Extension.Name, out ICommandExecutor? executor))
-                    executor.ProcessCommand(frame);
-            }
-
-            EndDraw();
-        }
-
-        private void DisposeInvoker(bool safeExit, bool disposing)
-        {
-            if (!IsDisposed)
-                return;
-
-            IsDisposed = true;
-
-            if (disposing)
-                GC.SuppressFinalize(this);
-
-            Dispose(safeExit, disposing);
-        }
-
-        protected virtual void Dispose(bool safeExit, bool disposing)
-        {
-            if (disposing)
-            {
-                foreach (ICommandExecutor executor in _executorsList)
-                {
-                    if (executor is IGLDisposable glDisposable)
-                        glDisposable.Dispose(safeExit);
-                    else if (executor is IDisposable disposable)
-                        disposable.Dispose();
-                }
-
-                if (ResourcePool.DecrementReference())
-                    Dispose();
-            }
-        }
-
-        public void Dispose() => DisposeInvoker(true, true);
-
-        public void Dispose(bool safeExit) => DisposeInvoker(safeExit, true);
-    }
-}

Dashboard.Drawing.OpenGL/ContextResourcePool.cs

@@ -1,133 +0,0 @@
-using Dashboard.OpenGL;
-
-namespace Dashboard.Drawing.OpenGL
-{
-    public class ContextResourcePoolManager
-    {
-        private readonly Dictionary<IGLContext, ContextResourcePool> _unique = new Dictionary<IGLContext, ContextResourcePool>();
-        private readonly Dictionary<int, ContextResourcePool> _shared = new Dictionary<int, ContextResourcePool>();
-
-        public ContextResourcePool Get(IGLContext context)
-        {
-            if (context.ContextGroup == -1)
-            {
-                if (!_unique.TryGetValue(context, out ContextResourcePool? pool))
-                {
-                    pool = new ContextResourcePool(this, context);
-                    _unique.Add(context, pool);
-                }
-
-                return pool;
-            }
-            else
-            {
-                if (!_shared.TryGetValue(context.ContextGroup, out ContextResourcePool? pool))
-                {
-                    pool = new ContextResourcePool(this, context.ContextGroup);
-                    _shared.Add(context.ContextGroup, pool);
-                }
-
-                return pool;
-            }
-        }
-
-        internal void Disposed(ContextResourcePool pool)
-        {
-            // TODO:
-        }
-    }
-
-    public class ContextResourcePool : IGLDisposable, IArc
-    {
-        private int _references = 0;
-        private bool _isDisposed = false;
-        private readonly Dictionary<int, IResourceManager> _managers = new Dictionary<int, IResourceManager>();
-
-        public ContextResourcePoolManager Manager { get; }
-        public IGLContext? Context { get; private set; } = null;
-        public int ContextGroup { get; private set; } = -1;
-        public int References => _references;
-        public ContextCollector Collector { get; } = new ContextCollector();
-
-        internal ContextResourcePool(ContextResourcePoolManager manager, int contextGroup)
-        {
-            Manager = manager;
-            ContextGroup = contextGroup;
-        }
-
-        internal ContextResourcePool(ContextResourcePoolManager manager, IGLContext context)
-        {
-            Manager = manager;
-            Context = context;
-        }
-
-        public T GetResourceManager<T>(bool init = true) where T : IResourceManager, new()
-        {
-            int index = ManagerAtom<T>.Atom;
-
-            if (!_managers.TryGetValue(index, out IResourceManager? resourceClass))
-            {
-                _managers[index] = resourceClass = new T();
-            }
-
-            if (init && resourceClass is IInitializer initializer)
-            {
-                initializer.Initialize();
-            }
-
-            return (T)resourceClass;
-        }
-
-        ~ContextResourcePool()
-        {
-            Dispose(true, false);
-        }
-
-        public void Dispose() => Dispose(true, false);
-
-        public void Dispose(bool safeExit) => Dispose(safeExit, true);
-
-        private void Dispose(bool safeExit, bool disposing)
-        {
-            if (_isDisposed)
-                return;
-            _isDisposed = true;
-
-            Manager.Disposed(this);
-
-            if (disposing)
-            {
-                foreach ((int _, IResourceManager manager) in _managers)
-                {
-                    if (manager is IGLDisposable glDisposable)
-                        glDisposable.Dispose(safeExit);
-                    else if (manager is IDisposable disposable)
-                        disposable.Dispose();
-                }
-                GC.SuppressFinalize(this);
-            }
-        }
-
-        public void IncrementReference()
-        {
-            Interlocked.Increment(ref _references);
-        }
-
-        public bool DecrementReference()
-        {
-            return Interlocked.Decrement(ref _references) == 0;
-        }
-
-
-        private class ManagerAtom
-        {
-            private static int _counter = -1;
-
-            protected static int Acquire() => Interlocked.Increment(ref _counter);
-        }
-        private class ManagerAtom<T> : ManagerAtom where T : IResourceManager
-        {
-            public static int Atom { get; } = Acquire();
-        }
-    }
-}

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

@@ -1,30 +0,0 @@
-<Project Sdk="Microsoft.NET.Sdk">
-
-    <PropertyGroup>
-        <TargetFramework>net10.0</TargetFramework>
-        <ImplicitUsings>enable</ImplicitUsings>
-        <Nullable>enable</Nullable>
-        <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-    </PropertyGroup>
-
-    <ItemGroup>
-      <PackageReference Include="BlurgText" Version="0.1.0-nightly-19" />
-    </ItemGroup>
-
-    <ItemGroup>
-      <ProjectReference Include="..\Dashboard.Drawing\Dashboard.Drawing.csproj" />
-      <ProjectReference Include="..\Dashboard.OpenGL\Dashboard.OpenGL.csproj" />
-    </ItemGroup>
-
-    <ItemGroup>
-      <EmbeddedResource Include="Executors\simple.frag" />
-      <EmbeddedResource Include="Executors\simple.vert" />
-      <EmbeddedResource Include="Executors\text.vert" />
-      <EmbeddedResource Include="Executors\text.frag" />
-    </ItemGroup>
-
-    <ItemGroup>
-      <Folder Include="Text\" />
-    </ItemGroup>
-
-</Project>

Dashboard.Drawing.OpenGL/DrawCallRecorder.cs

@@ -1,468 +0,0 @@
-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;
-using Vector3 = System.Numerics.Vector3;
-
-namespace Dashboard.Drawing.OpenGL
-{
-    public class DrawCallRecorder : IGLDisposable, IInitializer
-    {
-        private int _vao = 0;
-        private int _vbo = 0;
-        private readonly List<DrawVertex> _vertices = new List<DrawVertex>();
-        private readonly List<DrawCall> _calls = new List<DrawCall>();
-
-        private int _start = 0;
-        private int _count = 0;
-        private int _primitives = 0;
-        private Vector3 _charCoords;
-        private int _cmdIndex;
-        private int _texture0, _texture1, _texture2, _texture3;
-        private TextureTarget _target0, _target1, _target2, _target3;
-        private Matrix4 _transforms = Matrix4.Identity;
-
-        public int CommandModulus = 64;
-        public int CommandBuffer = 0;
-        public int CommandSize = 64;
-
-        private int CommandByteSize => CommandModulus * CommandSize;
-
-        public int TransformsLocation { get; set; }
-
-        public void Transforms(in Matrix4 transforms)
-        {
-            _transforms = transforms;
-        }
-
-        public void Begin(PrimitiveType type)
-        {
-            if (_primitives != 0)
-                throw new InvalidOperationException("Attempt to begin new draw call before finishing previous one.");
-
-            _primitives = (int)type;
-            _start = _vertices.Count;
-            _count = 0;
-        }
-
-        public void TexCoords2(Vector2 texCoords)
-        {
-            _charCoords = new Vector3(texCoords, 0);
-        }
-
-        public void CharCoords(Vector3 charCoords)
-        {
-            _charCoords = charCoords;
-        }
-
-        public void CommandIndex(int index)
-        {
-            _cmdIndex = index;
-        }
-
-        public void Vertex3(Vector3 vertex)
-        {
-            _vertices.Add(new DrawVertex()
-            {
-                Position = vertex,
-                CharCoords = _charCoords,
-                CmdIndex = _cmdIndex % CommandModulus,
-            });
-            _count++;
-        }
-
-        public void End()
-        {
-            if (_primitives == 0)
-                throw new InvalidOperationException("Attempt to end draw call before starting one.");
-
-            _calls.Add(
-                new DrawCall()
-                {
-                    Type = (PrimitiveType)_primitives,
-                    Start = _start,
-                    Count = _count,
-                    CmdIndex = _cmdIndex,
-                    Target0 = _target0,
-                    Target1 = _target1,
-                    Target2 = _target2,
-                    Target3 = _target3,
-                    Texture0 = _texture0,
-                    Texture1 = _texture1,
-                    Texture2 = _texture2,
-                    Texture3 = _texture3,
-                    Transforms = _transforms,
-                });
-
-            _primitives = 0;
-        }
-
-        public void BindTexture(TextureTarget target, int texture) => BindTexture(target, 0, texture);
-
-        public void BindTexture(TextureTarget target, int unit, int texture)
-        {
-            switch (unit)
-            {
-                case 0:
-                    _texture0 = 0;
-                    _target0 = target;
-                    break;
-                case 1:
-                    _texture1 = 0;
-                    _target1 = target;
-                    break;
-                case 2:
-                    _texture2 = 0;
-                    _target2 = target;
-                    break;
-                case 3:
-                    _texture3 = 0;
-                    _target3 = target;
-                    break;
-                default:
-                    throw new ArgumentOutOfRangeException(nameof(unit), "I did not write support for more than 4 textures.");
-            }
-        }
-
-        public void DrawArrays(PrimitiveType type, int first, int count)
-        {
-            throw new NotImplementedException();
-        }
-
-        public void Execute()
-        {
-            GL.BindVertexArray(_vao);
-            GL.BindBuffer(BufferTarget.ArrayBuffer, _vbo);
-
-            ReadOnlySpan<DrawVertex> vertices = CollectionsMarshal.AsSpan(_vertices);
-            GL.BufferData(BufferTarget.ArrayBuffer, _vertices.Count * Unsafe.SizeOf<DrawVertex>(), vertices, BufferUsage.DynamicDraw);
-
-            foreach (DrawCall call in _calls)
-            {
-                GL.BindBufferRange(BufferTarget.UniformBuffer, 0, CommandBuffer, call.CmdIndex / CommandModulus * CommandByteSize, CommandByteSize);
-                GL.ActiveTexture(TextureUnit.Texture0);
-                GL.BindTexture(call.Target0, call.Texture0);
-                GL.ActiveTexture(TextureUnit.Texture1);
-                GL.BindTexture(call.Target1, call.Texture1);
-                GL.ActiveTexture(TextureUnit.Texture2);
-                GL.BindTexture(call.Target2, call.Texture2);
-                GL.ActiveTexture(TextureUnit.Texture3);
-                GL.BindTexture(call.Target3, call.Texture3);
-
-                Matrix4 transforms = call.Transforms;
-                GL.UniformMatrix4f(TransformsLocation, 1, true, ref transforms);
-                GL.DrawArrays(call.Type, call.Start, call.Count);
-            }
-        }
-
-        public void Clear()
-        {
-            _vertices.Clear();
-            _calls.Clear();
-        }
-
-        public void Dispose()
-        {
-            throw new NotImplementedException();
-        }
-
-        public void Dispose(bool safeExit)
-        {
-            throw new NotImplementedException();
-        }
-
-        public bool IsInitialized { get; private set; }
-        public void Initialize()
-        {
-            if (IsInitialized)
-                return;
-            IsInitialized = true;
-
-            _vao = GL.CreateVertexArray();
-            _vbo = GL.CreateBuffer();
-
-            GL.BindVertexArray(_vao);
-            GL.BindBuffer(BufferTarget.ArrayBuffer, _vbo);
-
-            GL.VertexAttribPointer(0, 3, VertexAttribPointerType.Float, false, 32, 0);
-            GL.VertexAttribPointer(1, 3, VertexAttribPointerType.Float, false, 32, 16);
-            GL.VertexAttribIPointer(2, 1, VertexAttribIType.Int, 32, 28);
-            GL.EnableVertexAttribArray(0);
-            GL.EnableVertexAttribArray(1);
-            GL.EnableVertexAttribArray(2);
-        }
-
-        private struct DrawCall
-        {
-            public PrimitiveType Type;
-            public int Start;
-            public int Count;
-            public int CmdIndex;
-
-            public int Texture0;
-            public int Texture1;
-            public int Texture2;
-            public int Texture3;
-
-            public TextureTarget Target0;
-            public TextureTarget Target1;
-            public TextureTarget Target2;
-            public TextureTarget Target3;
-
-            public Matrix4 Transforms;
-        }
-
-        [StructLayout(LayoutKind.Explicit, Size = 32)]
-        private struct DrawVertex
-        {
-            [FieldOffset(0)]
-            public Vector3 Position;
-            [FieldOffset(16)]
-            public Vector3 CharCoords;
-            [FieldOffset(28)]
-            public int CmdIndex;
-        }
-    }
-
-    /// <summary>
-    /// A customizable immediate mode draw call queue, for the modern OpenGL user.
-    /// </summary>
-    /// <typeparam name="TCall">The call info type.</typeparam>
-    /// <typeparam name="TVertex">The vertex structure.</typeparam>
-    public abstract class DrawCallRecorder<TCall, TVertex> : IGLDisposable, IInitializer
-        where TVertex : unmanaged
-    {
-        /// <summary>
-        /// The vertex array for this queue.
-        /// </summary>
-        public int Vao { get; private set; }
-
-        /// <summary>
-        /// The vertex buffer for this queue.
-        /// </summary>
-        public int Vbo { get; private set; }
-
-        /// <summary>
-        /// Number of calls recorded in this queue.
-        /// </summary>
-        public int CallCount => Calls.Count;
-
-        /// <summary>
-        /// The number of total vertices recorded.
-        /// </summary>
-        public int TotalVertices => Vertices.Count;
-
-        /// <summary>
-        /// The latest draw call info.
-        /// </summary>
-        public ref TCall CurrentCall => ref _currentCall;
-
-        /// <summary>
-        /// The latest vertex emitted.
-        /// </summary>
-        public ref TVertex CurrentVertex => ref _currentVertex;
-
-        /// <summary>
-        /// True if currently recording a draw call.
-        /// </summary>
-        public bool InCall => _primitiveMode != 0;
-
-        /// <summary>
-        /// Size of one vertex.
-        /// </summary>
-        protected int VertexSize => Unsafe.SizeOf<TVertex>();
-
-        /// <summary>
-        /// The list of draw calls.
-        /// </summary>
-        protected List<DrawCall> Calls { get; } = new List<DrawCall>();
-
-        /// <summary>
-        /// The list of all vertices.
-        /// </summary>
-        protected List<TVertex> Vertices { get; } = new List<TVertex>();
-
-        /// <summary>
-        /// The value to write for the draw call info at the start of a call.
-        /// </summary>
-        [Pure] protected virtual TCall DefaultCall => default(TCall);
-
-        /// <summary>
-        /// The value to write for last vertex at the start of a call.
-        /// </summary>
-        [Pure] protected virtual TVertex DefaultVertex => default;
-
-        private int _start = 0;
-        private int _count = 0;
-        private int _primitiveMode = 0;
-        private TCall _currentCall;
-        private TVertex _currentVertex;
-
-        protected DrawCallRecorder()
-        {
-            _currentCall = DefaultCall;
-            _currentVertex = DefaultVertex;
-        }
-
-        /// <summary>
-        /// Record a draw call directly.
-        /// </summary>
-        /// <param name="type">The primitive type to use.</param>
-        /// <param name="callInfo">The call info structure to use</param>
-        /// <param name="vertices">The list of vertices to use.</param>
-        /// <exception cref="InvalidOperationException">You attempted to use this function during another draw call.</exception>
-        public void DrawArrays(PrimitiveType type, in TCall callInfo, ReadOnlySpan<TVertex> vertices)
-        {
-            if (InCall)
-                throw new InvalidOperationException("Cannot use draw arrays in the middle of an ongoing immediate-mode call.");
-
-            DrawCall call = new DrawCall()
-            {
-                Type = type,
-                Start = Vertices.Count,
-                Count = vertices.Length,
-                CallInfo = callInfo,
-            };
-
-            Vertices.AddRange(vertices);
-            Calls.Add(call);
-        }
-
-        /// <summary>
-        /// Start a draw call.
-        /// </summary>
-        /// <param name="type">The primitive type for the call.</param>
-        public void Begin(PrimitiveType type) => Begin(type, DefaultCall);
-
-        /// <summary>
-        /// Start a draw call.
-        /// </summary>
-        /// <param name="type">The primitive type for the call.</param>
-        /// <param name="callInfo">The call info.</param>
-        /// <exception cref="InvalidOperationException">You attempted to create a draw call within a draw call.</exception>
-        public void Begin(PrimitiveType type, TCall callInfo)
-        {
-            if (InCall)
-                throw new InvalidOperationException("Attempt to begin new draw call before finishing previous one.");
-
-            _primitiveMode = (int)type;
-            _start = Vertices.Count;
-            _count = 0;
-            CurrentCall = callInfo;
-            CurrentVertex = DefaultVertex;
-        }
-
-        /// <summary>
-        /// Emit the latest or modified vertex.
-        /// </summary>
-        public void Vertex()
-        {
-            Vertex(CurrentVertex);
-        }
-
-        /// <summary>
-        /// Emit a vertex.
-        /// </summary>
-        /// <param name="vertex">The vertex to emit.</param>
-        public void Vertex(in TVertex vertex)
-        {
-            Vertices.Add(CurrentVertex = vertex);
-            _count++;
-        }
-
-        /// <summary>
-        /// End the current call.
-        /// </summary>
-        /// <exception cref="InvalidOperationException">You tried to end a call that you didn't begin recording.</exception>
-        public void End()
-        {
-            if (!InCall)
-                throw new InvalidOperationException("Attempt to end draw call before starting one.");
-
-            Calls.Add(new DrawCall()
-            {
-                Start = _start,
-                Count = _count,
-                Type = (PrimitiveType)_primitiveMode,
-                CallInfo = CurrentCall,
-            });
-
-            _primitiveMode = 0;
-        }
-
-        /// <summary>
-        /// Called by the execution engine before a draw call is executed.
-        /// </summary>
-        /// <param name="call">The call to prepare.</param>
-        protected abstract void PrepareCall(in TCall call);
-
-        /// <summary>
-        /// Set the vertex format for the <see cref="Vao"/> and <see cref="Vbo"/> created by the recorder.
-        /// </summary>
-        protected abstract void SetVertexFormat();
-
-        /// <summary>
-        /// Execute all the recorded draw calls.
-        /// </summary>
-        public void Execute()
-        {
-            GL.BindVertexArray(Vao);
-            GL.BindBuffer(BufferTarget.ArrayBuffer, Vbo);
-
-            ReadOnlySpan<TVertex> vertices = CollectionsMarshal.AsSpan(Vertices);
-            GL.BufferData(BufferTarget.ArrayBuffer, Vertices.Count * VertexSize, vertices, BufferUsage.DynamicDraw);
-
-            foreach (DrawCall call in Calls)
-            {
-                PrepareCall(call.CallInfo);
-                GL.DrawArrays(call.Type, call.Start, call.Count);
-            }
-        }
-
-        /// <summary>
-        /// Clear the draw call queue.
-        /// </summary>
-        public void Clear()
-        {
-            Vertices.Clear();
-            Calls.Clear();
-        }
-
-        public void Dispose()
-        {
-            throw new NotImplementedException();
-        }
-
-        public void Dispose(bool safeExit)
-        {
-            throw new NotImplementedException();
-        }
-
-        public bool IsInitialized { get; private set; }
-        public void Initialize()
-        {
-            if (IsInitialized)
-                return;
-            IsInitialized = true;
-
-            Vao = GL.CreateVertexArray();
-            Vbo = GL.CreateBuffer();
-
-            GL.BindVertexArray(Vao);
-            GL.BindBuffer(BufferTarget.ArrayBuffer, Vbo);
-
-            SetVertexFormat();
-        }
-
-        protected struct DrawCall
-        {
-            public PrimitiveType Type;
-            public int Start;
-            public int Count;
-            public TCall CallInfo;
-        }
-    }
-}

Dashboard.Drawing.OpenGL/Executors/BaseCommandExecutor.cs

@@ -1,333 +0,0 @@
-using System.Drawing;
-using OpenTK.Graphics.OpenGL;
-using System.Numerics;
-using Dashboard.OpenGL;
-using OTK = OpenTK.Mathematics;
-
-namespace Dashboard.Drawing.OpenGL.Executors
-{
-    public class BaseCommandExecutor : IInitializer, ICommandExecutor
-    {
-        private int _program = 0;
-        private readonly MappableBumpAllocator<CommandInfo> _commands = new MappableBumpAllocator<CommandInfo>();
-        private readonly DrawCallRecorder _calls = new DrawCallRecorder();
-
-        public bool IsInitialized { get; private set; }
-        public IEnumerable<string> Extensions { get; } = new[] { "DB_base" };
-        public IContextExecutor Executor { get; private set; } = null!;
-
-        public void Initialize()
-        {
-            if (IsInitialized) return;
-
-            if (Executor == null)
-                throw new Exception("Executor has not been set.");
-
-            IsInitialized = true;
-
-            LoadShaders();
-        }
-
-        public void SetContextExecutor(IContextExecutor executor)
-        {
-            Executor = executor;
-        }
-
-        public void BeginFrame()
-        {
-        }
-
-        public void BeginDraw()
-        {
-            _commands.Initialize();
-            _calls.Initialize();
-
-            Size size = Executor.Context.FramebufferSize;
-
-            Executor.TransformStack.Push(OTK.Matrix4.CreateOrthographicOffCenter(
-                0,
-                size.Width,
-                size.Height,
-                0,
-                1,
-                -1));
-
-            GL.Viewport(0, 0, size.Width, size.Height);
-        }
-
-        public void EndDraw()
-        {
-            _commands.Unmap();
-            GL.UseProgram(_program);
-            _calls.CommandBuffer = _commands.Handle;
-            _calls.Execute();
-        }
-
-        public void EndFrame()
-        {
-            _commands.Clear();
-            _calls.Clear();
-        }
-
-        public void ProcessCommand(ICommandFrame frame)
-        {
-            switch (frame.Command.Name)
-            {
-                case "Point":
-                    DrawBasePoint(frame);
-                    break;
-                case "Line":
-                    DrawBaseLine(frame);
-                    break;
-                case "RectF":
-                case "RectS":
-                case "RectFS":
-                    DrawRect(frame);
-                    break;
-            }
-        }
-
-        private void DrawBasePoint(ICommandFrame frame)
-        {
-            ref CommandInfo info = ref _commands.Take(out int index);
-
-            PointCommandArgs args = frame.GetParameter<PointCommandArgs>();
-
-            info = new CommandInfo()
-            {
-                Type = SimpleDrawCommand.Point,
-                Arg0 = args.Size,
-            };
-
-            SetCommandCommonBrush(ref info, args.Brush, args.Brush);
-
-            _calls.Transforms(Executor.TransformStack.Top);
-            _calls.Begin(PrimitiveType.Triangles);
-            _calls.CommandIndex(index);
-            DrawPoint(args.Position, args.Depth, args.Size);
-            _calls.End();
-        }
-
-        private void DrawPoint(Vector2 position, float depth, float diameter)
-        {
-            // Draw a point as a isocles triangle.
-            const float adjust = 1.1f;
-            const float cos30 = 0.8660254038f;
-            Vector2 top   = adjust * new Vector2(0, -cos30);
-            Vector2 left  = adjust * new Vector2(-cos30, 0.5f);
-            Vector2 right = adjust * new Vector2(cos30, 0.5f);
-
-            _calls.TexCoords2(top);
-            _calls.Vertex3(new Vector3(position + top * diameter, depth));
-            _calls.TexCoords2(left);
-            _calls.Vertex3(new Vector3(position + left * diameter, depth));
-            _calls.TexCoords2(right);
-            _calls.Vertex3(new Vector3(position + right * diameter, depth));
-        }
-
-        private void DrawBaseLine(ICommandFrame frame)
-        {
-            ref CommandInfo info = ref _commands.Take(out int index);
-
-            LineCommandArgs args = frame.GetParameter<LineCommandArgs>();
-
-            info = new CommandInfo()
-            {
-                Type = SimpleDrawCommand.Line,
-                Arg0 = 0.5f * args.Size / (args.End - args.Start).Length(),
-            };
-
-            SetCommandCommonBrush(ref info, args.Brush, args.Brush);
-
-            _calls.Transforms(Executor.TransformStack.Top);
-            _calls.Begin(PrimitiveType.Triangles);
-
-            _calls.CommandIndex(index);
-
-            DrawLine(args.Start, args.End, args.Depth, args.Size);
-
-            _calls.End();
-        }
-
-        private void DrawLine(Vector2 start, Vector2 end, float depth, float width)
-        {
-            float radius = 0.5f * width;
-            Vector2 segment = end - start;
-            float length = segment.Length();
-            float ratio = radius / length;
-            Vector2 n = ratio * segment;
-            Vector2 t = new Vector2(-n.Y, n.X);
-
-            Vector2 t00 = new Vector2(-ratio, -ratio);
-            Vector2 t10 = new Vector2(1+ratio, -ratio);
-            Vector2 t01 = new Vector2(-ratio, +ratio);
-            Vector2 t11 = new Vector2(1+ratio, +ratio);
-
-            Vector3 x00 = new Vector3(start - n - t, depth);
-            Vector3 x10 = new Vector3(end + n - t, depth);
-            Vector3 x01 = new Vector3(start - n + t, depth);
-            Vector3 x11 = new Vector3(end + n + t, depth);
-
-            _calls.TexCoords2(t00);
-            _calls.Vertex3(x00);
-            _calls.TexCoords2(t01);
-            _calls.Vertex3(x01);
-            _calls.TexCoords2(t11);
-            _calls.Vertex3(x11);
-
-            _calls.TexCoords2(t00);
-            _calls.Vertex3(x00);
-            _calls.TexCoords2(t11);
-            _calls.Vertex3(x11);
-            _calls.TexCoords2(t10);
-            _calls.Vertex3(x10);
-        }
-
-        private void DrawRect(ICommandFrame frame)
-        {
-            ref CommandInfo info = ref _commands.Take(out int index);
-
-            RectCommandArgs args = frame.GetParameter<RectCommandArgs>();
-
-            Vector2 size = Vector2.Abs(args.End - args.Start);
-            float aspect = size.X / size.Y;
-            float border = args.StrikeSize;
-            float normRad = args.StrikeSize / size.Y;
-            float wideRad = aspect * normRad;
-
-            int flags = 0;
-
-            switch (frame.Command.Name)
-            {
-                case "RectF":
-                    flags |= 1;
-                    break;
-                case "RectS":
-                    flags |= 2;
-                    break;
-                case "RectFS":
-                    flags |= 3;
-                    break;
-            }
-
-            switch (args.BorderKind)
-            {
-                case BorderKind.Inset:
-                    flags |= 2 << 2;
-                    break;
-                case BorderKind.Outset:
-                    flags |= 1 << 2;
-                    break;
-            }
-
-            info = new CommandInfo()
-            {
-                Type = SimpleDrawCommand.Rect,
-                Flags = flags,
-                Arg0 = aspect,
-                Arg1 = normRad,
-            };
-
-            SetCommandCommonBrush(ref info, args.FillBrush, args.StrikeBrush);
-
-            _calls.Transforms(Executor.TransformStack.Top);
-            _calls.Begin(PrimitiveType.Triangles);
-
-            _calls.CommandIndex(index);
-
-            Vector2 t00 = new Vector2(-wideRad, -normRad);
-            Vector2 t10 = new Vector2(1+wideRad, -normRad);
-            Vector2 t01 = new Vector2(-wideRad, 1+normRad);
-            Vector2 t11 = new Vector2(1+wideRad, 1+normRad);
-
-            Vector3 x00 = new Vector3(args.Start.X - border, args.Start.Y - border, args.Depth);
-            Vector3 x10 = new Vector3(args.End.X + border, args.Start.Y - border, args.Depth);
-            Vector3 x01 = new Vector3(args.Start.X - border, args.End.Y + border, args.Depth);
-            Vector3 x11 = new Vector3(args.End.X + border, args.End.Y + border, args.Depth);
-
-            _calls.TexCoords2(t00);
-            _calls.Vertex3(x00);
-            _calls.TexCoords2(t01);
-            _calls.Vertex3(x01);
-            _calls.TexCoords2(t11);
-            _calls.Vertex3(x11);
-
-            _calls.TexCoords2(t00);
-            _calls.Vertex3(x00);
-            _calls.TexCoords2(t11);
-            _calls.Vertex3(x11);
-            _calls.TexCoords2(t10);
-            _calls.Vertex3(x10);
-
-            _calls.End();
-        }
-
-        protected void SetCommandCommonBrush(ref CommandInfo info, IBrush? fill, IBrush? border)
-        {
-            switch (fill?.Kind.Name)
-            {
-                case "DB_Brush_solid":
-                    SolidBrush solid = (SolidBrush)fill;
-                    Vector4 color = new Vector4(solid.Color.R/255f, solid.Color.G/255f, solid.Color.B/255f, solid.Color.A/255f);
-                    info.FgColor = color;
-                    break;
-                case "DB_Brush_gradient":
-                    GradientBrush gradient = (GradientBrush)fill;
-                    GradientUniformBuffer gradients = Executor.ResourcePool.GetResourceManager<GradientUniformBuffer>();
-                    gradients.Initialize();
-                    GradientUniformBuffer.Entry entry = gradients.InternGradient(gradient.Gradient);
-                    info.FgGradientIndex = entry.Offset;
-                    info.FgGradientCount = entry.Count;
-                    break;
-                case null:
-                    // Craete a magenta brush for this.
-                    info.FgColor = new Vector4(1, 0, 1, 1);
-                    break;
-            }
-
-            switch (border?.Kind.Name)
-            {
-                case "DB_Brush_solid":
-                    SolidBrush solid = (SolidBrush)border;
-                    Vector4 color = new Vector4(solid.Color.R/255f, solid.Color.G/255f, solid.Color.B/255f, solid.Color.A/255f);
-                    info.BgColor = color;
-                    break;
-                case "DB_Brush_gradient":
-                    GradientBrush gradient = (GradientBrush)border;
-                    GradientUniformBuffer gradients = Executor.ResourcePool.GetResourceManager<GradientUniformBuffer>();
-                    gradients.Initialize();
-                    GradientUniformBuffer.Entry entry = gradients.InternGradient(gradient.Gradient);
-                    info.BgGradientIndex = entry.Offset;
-                    info.BgGradientCount = entry.Count;
-                    break;
-                case null:
-                    // Craete a magenta brush for this.
-                    info.BgColor = new Vector4(1, 0, 1, 1);
-                    break;
-            }
-        }
-
-        private void LoadShaders()
-        {
-            using Stream vsource = FetchEmbeddedResource("Dashboard.Drawing.OpenGL.Executors.simple.vert");
-            using Stream fsource = FetchEmbeddedResource("Dashboard.Drawing.OpenGL.Executors.simple.frag");
-            int vs = ShaderUtil.CompileShader(ShaderType.VertexShader, vsource);
-            int fs = ShaderUtil.CompileShader(ShaderType.FragmentShader, fsource);
-            _program = ShaderUtil.LinkProgram(vs, fs, new []
-            {
-                "a_v3Position",
-                "a_v2TexCoords",
-                "a_iCmdIndex",
-            });
-            GL.DeleteShader(vs);
-            GL.DeleteShader(fs);
-
-            GL.UniformBlockBinding(_program, GL.GetUniformBlockIndex(_program, "CommandBlock"), 0);
-        }
-
-        private static Stream FetchEmbeddedResource(string name)
-        {
-            return typeof(BaseCommandExecutor).Assembly.GetManifestResourceStream(name)!;
-        }
-    }
-}

Dashboard.Drawing.OpenGL/Executors/TextCommandExecutor.cs

@@ -1,243 +0,0 @@
-using System.Reflection;
-using System.Runtime.InteropServices;
-using BlurgText;
-using Dashboard.OpenGL;
-using OpenTK.Graphics.OpenGL;
-using OpenTK.Mathematics;
-
-namespace Dashboard.Drawing.OpenGL.Executors
-{
-    public class TextCommandExecutor : ICommandExecutor, IInitializer
-    {
-        public IEnumerable<string> Extensions { get; } = new[] { "DB_Text" };
-        public IContextExecutor Executor { get; private set; }
-        // private BlurgEngine Engine => Executor.ResourcePool.GetResourceManager<BlurgEngine>();
-        public bool IsInitialized { get; private set; }
-
-        private DrawCallRecorder _recorder;
-        private int _program = 0;
-        private int _transformsLocation = -1;
-        private int _atlasLocation = -1;
-        private int _borderWidthLocation = -1;
-        private int _borderColorLocation = -1;
-        private int _fillColorLocation = -1;
-
-        public TextCommandExecutor()
-        {
-            Executor = null!;
-            _recorder = new DrawCallRecorder(this);
-        }
-
-        public void Initialize()
-        {
-            if (IsInitialized)
-                return;
-            IsInitialized = true;
-
-            Assembly self = typeof(TextCommandExecutor).Assembly;
-
-            using Stream vsource = self.GetManifestResourceStream("Dashboard.Drawing.OpenGL.Executors.text.vert")!;
-            using Stream fsource = self.GetManifestResourceStream("Dashboard.Drawing.OpenGL.Executors.text.frag")!;
-            int vs = ShaderUtil.CompileShader(ShaderType.VertexShader, vsource);
-            int fs = ShaderUtil.CompileShader(ShaderType.FragmentShader, fsource);
-            _program = ShaderUtil.LinkProgram(vs, fs, new []
-            {
-                "a_v3Position",
-                "a_v2TexCoords",
-            });
-            GL.DeleteShader(vs);
-            GL.DeleteShader(fs);
-
-            _transformsLocation = GL.GetUniformLocation(_program, "m4Transforms");
-            _atlasLocation = GL.GetUniformLocation(_program, "txAtlas");
-            _borderWidthLocation = GL.GetUniformLocation(_program, "fBorderWidth");
-            _borderColorLocation = GL.GetUniformLocation(_program, "v4BorderColor");
-            _fillColorLocation = GL.GetUniformLocation(_program, "v4FillColor");
-
-            _recorder.Initialize();
-        }
-
-        public void SetContextExecutor(IContextExecutor executor)
-        {
-            Executor = executor;
-        }
-
-        public void BeginFrame()
-        {
-        }
-
-        public void BeginDraw()
-        {
-            _recorder.Clear();
-        }
-
-        public void EndDraw()
-        {
-            GL.UseProgram(_program);
-            GL.Enable(EnableCap.Blend);
-            GL.BlendFunc(BlendingFactor.SrcAlpha, BlendingFactor.OneMinusSrcAlpha);
-            _recorder.Execute();
-            GL.Disable(EnableCap.Blend);
-        }
-
-        public void EndFrame()
-        {
-        }
-
-        public void ProcessCommand(ICommandFrame frame)
-        {
-            switch (frame.Command.Name)
-            {
-                case "Text":
-                    DrawText(frame);
-                    break;
-            }
-        }
-
-        private void DrawText(ICommandFrame frame)
-        {
-            TextCommandArgs args = frame.GetParameter<TextCommandArgs>();
-            // DbBlurgFont font = Engine.InternFont(args.Font);
-
-            BlurgColor color;
-            switch (args.TextBrush)
-            {
-            case SolidBrush solid:
-                color = new BlurgColor()
-                {
-                    R = solid.Color.R,
-                    G = solid.Color.G,
-                    B = solid.Color.B,
-                    A = solid.Color.A,
-                };
-                break;
-            default:
-                color = new BlurgColor() { R = 255, G = 0, B = 255, A = 255 };
-                break;
-            }
-
-            //BlurgResult? result = Engine.Blurg.BuildString(font.Font, font.Size, color, args.Text);
-
-            // if (result == null)
-            //     return;
-            //
-            // Vector3 position = new Vector3(args.Position.X, args.Position.Y, args.Position.Z);
-            // ExecuteBlurgResult(result, position);
-            //
-            // result.Dispose();
-        }
-
-        private void ExecuteBlurgResult(BlurgResult result, Vector3 position)
-        {
-            Matrix4 transforms = Executor.TransformStack.Top;
-
-            for (int i = 0; i < result.Count; i++)
-            {
-                BlurgRect rect = result[i];
-
-                int texture = (int)rect.UserData;
-                Vector4 color = new Vector4(rect.Color.R / 255f, rect.Color.G / 255f, rect.Color.B / 255f,
-                    rect.Color.A / 255f);
-
-                if (i == 0)
-                {
-                    _recorder.Begin(PrimitiveType.Triangles, new Call()
-                    {
-                        Texture = texture,
-                        FillColor = color,
-                        Transforms = transforms,
-                    });
-                }
-                else if (
-                    _recorder.CurrentCall.Texture != texture ||
-                    _recorder.CurrentCall.FillColor != color)
-                {
-                    _recorder.End();
-                    Call call = new Call()
-                    {
-                        Texture = texture,
-                        FillColor = color,
-                        Transforms = transforms,
-                    };
-                    _recorder.Begin(PrimitiveType.Triangles, call);
-                }
-
-                Vector3 p00 = new Vector3(rect.X, rect.Y, 0) + position;
-                Vector3 p10 = p00 + new Vector3(rect.Width, 0, 0);
-                Vector3 p11 = p00 + new Vector3(rect.Width, rect.Height, 0);
-                Vector3 p01 = p00 + new Vector3(0, rect.Height, 0);
-
-                Vector2 uv00 = new Vector2(rect.U0, rect.V0);
-                Vector2 uv10 = new Vector2(rect.U1, rect.V0);
-                Vector2 uv11 = new Vector2(rect.U1, rect.V1);
-                Vector2 uv01 = new Vector2(rect.U0, rect.V1);
-
-                _recorder.Vertex(p00, uv00);
-                _recorder.Vertex(p10, uv10);
-                _recorder.Vertex(p11, uv11);
-
-                _recorder.Vertex(p00, uv00);
-                _recorder.Vertex(p11, uv11);
-                _recorder.Vertex(p01, uv01);
-            }
-            _recorder.End();
-        }
-
-        private struct Call
-        {
-            public Matrix4 Transforms = Matrix4.Identity;
-            public int Texture = 0;
-            public float BorderWidth = 0f;
-            public Vector4 FillColor = Vector4.One;
-            public Vector4 BorderColor = new Vector4(0,0,0,1);
-
-            public Call()
-            {
-            }
-        }
-
-        [StructLayout(LayoutKind.Explicit, Size = 8 * sizeof(float))]
-        private struct Vertex
-        {
-            [FieldOffset(0)]
-            public Vector3 Position;
-            [FieldOffset(4 * sizeof(float))]
-            public Vector2 TexCoords;
-        }
-
-        private class DrawCallRecorder : DrawCallRecorder<Call, Vertex>
-        {
-            private TextCommandExecutor Executor { get; }
-
-            public DrawCallRecorder(TextCommandExecutor executor)
-            {
-                Executor = executor;
-            }
-
-            public void Vertex(Vector3 position, Vector2 texCoords)
-            {
-                Vertex(new Vertex(){Position = position, TexCoords = texCoords});
-            }
-
-            protected override void PrepareCall(in Call call)
-            {
-                Matrix4 transforms = call.Transforms;
-                GL.UniformMatrix4f(Executor._transformsLocation, 1, true, ref transforms);
-                GL.Uniform1f(Executor._borderWidthLocation, call.BorderWidth);
-                GL.Uniform4f(Executor._borderColorLocation, 1, in call.BorderColor);
-                GL.Uniform4f(Executor._fillColorLocation, 1, in call.FillColor);
-                GL.Uniform1i(Executor._atlasLocation, 0);
-                GL.ActiveTexture(TextureUnit.Texture0);
-                GL.BindTexture(TextureTarget.Texture2d, call.Texture);
-            }
-
-            protected override void SetVertexFormat()
-            {
-                GL.VertexAttribPointer(0, 3, VertexAttribPointerType.Float, false, VertexSize, 0);
-                GL.VertexAttribPointer(1, 2, VertexAttribPointerType.Float, false, VertexSize, 4*sizeof(float));
-                GL.EnableVertexAttribArray(0);
-                GL.EnableVertexAttribArray(1);
-            }
-        }
-    }
-}

Dashboard.Drawing.OpenGL/Executors/gradient.glsl

@@ -1,55 +0,0 @@
-#ifndef _GRADIENT_GLSL_
-#define _GRADIENT_GLSL_
-
-#define DB_GRADIENT_MAX 16
-
-struct Gradient_t {
-    float fPosition;
-    float pad0;
-    float pad1;
-    float pad2;
-    vec4  v4Color;
-};
-
-uniform GradientBlock
-{
-    Gradient_t vstGradientStops[DB_GRADIENT_MAX];
-};
-
-vec4 getGradientColor(float position, int index, int count)
-{
-    position = clamp(position, 0, 1);
-
-    int i0 = 0;
-    float p0 = vstGradientStops[index + i0].fPosition;
-
-    int i1 = count - 1;
-    float p1 = vstGradientStops[index + i1].fPosition;
-
-    for (int i = 0; i < count; i++)
-    {
-        float px = vstGradientStops[index + i].fPosition;
-
-        if (px > p0 && px <= position)
-        {
-            p0 = px;
-            i0 = i;
-        }
-
-        if (px < p1 && px >= position)
-        {
-            p1 = px;
-            i1 = i;
-        }
-    }
-
-    vec4 c0 = vstGradientStops[index + i0].v4Color;
-    vec4 c1 = vstGradientStops[index + i1].v4Color;
-
-    float l = p1 - p0;
-    float w = (l > 0) ? (position - p0) / (p1 - p0) : 0;
-
-    return mix(c0, c1, w);
-}
-
-#endif

Dashboard.Drawing.OpenGL/Executors/simple.frag

@@ -1,224 +0,0 @@
-#version 140
-
-#define DB_GRADIENT_MAX 16
-#define DB_COMMAND_MAX  64
-
-#define CMD_POINT 1
-#define CMD_LINE  2
-#define CMD_RECT  3
-
-#define STRIKE_CENTER 0
-#define STRIKE_OUTSET 1
-#define STRIKE_INSET  2
-
-in vec3 v_v3Position;
-in vec2 v_v2TexCoords;
-flat in int v_iCmdIndex;
-
-out vec4 f_Color;
-
-uniform sampler2D      txForeground;
-uniform sampler2D      txBackground;
-
-struct Gradient_t {
-    float fPosition;
-    float pad0;
-    float pad1;
-    float pad2;
-    vec4  v4Color;
-};
-
-uniform GradientBlock
-{
-    Gradient_t vstGradientStops[DB_GRADIENT_MAX];
-};
-
-vec4 getGradientColor(float position, int index, int count)
-{
-    position = clamp(position, 0, 1);
-
-    int i0 = 0;
-    float p0 = vstGradientStops[index + i0].fPosition;
-
-    int i1 = count - 1;
-    float p1 = vstGradientStops[index + i1].fPosition;
-
-    for (int i = 0; i < count; i++)
-    {
-        float px = vstGradientStops[index + i].fPosition;
-
-        if (px > p0 && px <= position)
-        {
-            p0 = px;
-            i0 = i;
-        }
-
-        if (px < p1 && px >= position)
-        {
-            p1 = px;
-            i1 = i;
-        }
-    }
-
-    vec4 c0 = vstGradientStops[index + i0].v4Color;
-    vec4 c1 = vstGradientStops[index + i1].v4Color;
-
-    float l = p1 - p0;
-    float w = (l > 0) ? (position - p0) / (p1 - p0) : 0;
-
-    return mix(c0, c1, w);
-}
-
-struct CommandInfo_t {
-    int iCommand;
-    int iFlags;
-    float fArg0;
-    float fArg1;
-
-    int iFgGradientIndex;
-    int iFgGradientCount;
-    int iBgGradientIndex;
-    int iBgGradientCount;
-
-    vec4 v4FgColor;
-    vec4 v4BgColor;
-};
-
-uniform CommandBlock
-{
-  CommandInfo_t vstCommandInfo[DB_COMMAND_MAX];
-};
-
-CommandInfo_t getCommandInfo()
-{
-    return vstCommandInfo[v_iCmdIndex];
-}
-
-vec4 fgColor()
-{
-    return getCommandInfo().v4FgColor;
-}
-
-vec4 bgColor()
-{
-    return getCommandInfo().v4BgColor;
-}
-
-void Point(void)
-{
-    vec4 fg = fgColor();
-
-    if (dot(v_v2TexCoords, v_v2TexCoords) <= 0.25)
-        f_Color = fg;
-    else
-        discard;
-}
-
-#define LINE_NORMALIZED_RADIUS(cmd) cmd.fArg0
-void Line(void)
-{
-    vec4 fg = fgColor();
-    CommandInfo_t cmd = getCommandInfo();
-
-    float t = clamp(v_v2TexCoords.x, 0, 1);
-    vec2 dv = v_v2TexCoords - vec2(t, 0);
-    float d = dot(dv, dv);
-
-    float lim = LINE_NORMALIZED_RADIUS(cmd);
-    lim *= lim;
-
-    if (d <= lim)
-        f_Color = fg;
-    else
-        discard;
-}
-
-#define RECT_ASPECT_RATIO(cmd) (cmd.fArg0)
-#define RECT_BORDER_WIDTH(cmd) (cmd.fArg1)
-#define RECT_FILL(cmd) ((cmd.iFlags & (1 << 0)) != 0)
-#define RECT_BORDER(cmd) ((cmd.iFlags & (1 << 1)) != 0)
-#define RECT_STRIKE_MASK  3
-#define RECT_STRIKE_SHIFT 2
-#define RECT_STRIKE_KIND(cmd) ((cmd.iFlags & RECT_STRIKE_MASK) >> RECT_STRIKE_SHIFT)
-void Rect(void)
-{
-    vec4 fg = fgColor();
-    vec4 bg = bgColor();
-
-    CommandInfo_t cmd = getCommandInfo();
-    float aspect = RECT_ASPECT_RATIO(cmd);
-    float border = RECT_BORDER_WIDTH(cmd);
-    int strikeKind = RECT_STRIKE_KIND(cmd);
-
-    vec2 p = abs(2*v_v2TexCoords - vec2(1));
-    p.x = p.x/aspect;
-
-    float m0;
-    float m1;
-    if (!RECT_BORDER(cmd))
-    {
-        m0 = 1;
-        m1 = 1;
-    }
-    else if (strikeKind == STRIKE_OUTSET)
-    {
-        m0 = 1;
-        m1 = border;
-    }
-    else if (strikeKind == STRIKE_INSET)
-    {
-        m0 = 1-border;
-        m1 = 1;
-    }
-    else // strikeKind == STRIKE_CENTER
-    {
-        float h = 0.5 * border;
-        m0 = 1-border;
-        m1 = 1+border;
-    }
-
-    if (p.x > m1*aspect || p.y > m1)
-    {
-        discard;
-    }
-
-    if (RECT_FILL(cmd))
-    {
-        if (p.x <= 1 && p.y <= 1)
-        {
-            f_Color = fg;
-        }
-    }
-
-    if (RECT_BORDER(cmd))
-    {
-        float x = clamp(p.x, aspect*m0, aspect*m1);
-        float y = clamp(p.y, m0, m1);
-
-        if (p.x == x || p.y == y)
-        {
-            f_Color = bg;
-        }
-    }
-}
-
-void main(void)
-{
-    switch (getCommandInfo().iCommand)
-    {
-    case CMD_POINT:
-        Point();
-        break;
-    case CMD_LINE:
-        Line();
-        break;
-    case CMD_RECT:
-        Rect();
-        break;
-
-    default:
-        // Unimplemented value.
-        f_Color = vec4(1, 0, 1, 1);
-        break;
-    }
-}

Dashboard.Drawing.OpenGL/Executors/simple.vert

@@ -1,21 +0,0 @@
-#version 140
-
-in vec3 a_v3Position;
-in vec2 a_v2TexCoords;
-in int  a_iCmdIndex;
-
-out vec3 v_v3Position;
-out vec2 v_v2TexCoords;
-flat out int  v_iCmdIndex;
-
-uniform mat4 m4Transforms;
-
-void main(void)
-{
-    vec4 position = vec4(a_v3Position, 1) * m4Transforms;
-    gl_Position = position;
-    v_v3Position = position.xyz/position.w;
-
-    v_v2TexCoords = a_v2TexCoords;
-    v_iCmdIndex = a_iCmdIndex;
-}

Dashboard.Drawing.OpenGL/Executors/text.frag

@@ -1,21 +0,0 @@
-#version 140
-
-in vec3 v_v3Position;
-in vec2 v_v2TexCoords;
-
-out vec4 f_Color;
-
-uniform sampler2D txAtlas;
-uniform float fBorderWidth;
-uniform vec4 v4BorderColor;
-uniform vec4 v4FillColor;
-
-void main() {
-    // For now just honor the fill color
-
-    vec4 color = texture(txAtlas, v_v2TexCoords) * v4FillColor;
-
-    if (color.a <= 0.1)
-        discard;
-    f_Color = color;
-}

Dashboard.Drawing.OpenGL/Executors/text.vert

@@ -1,18 +0,0 @@
-#version 140
-
-in vec3 a_v3Position;
-in vec2 a_v2TexCoords;
-
-out vec3 v_v3Position;
-out vec2 v_v2TexCoords;
-
-uniform mat4 m4Transforms;
-
-void main(void)
-{
-    vec4 position = vec4(a_v3Position, 1) * m4Transforms;
-    gl_Position = position;
-    v_v3Position = position.xyz/position.w;
-
-    v_v2TexCoords = a_v2TexCoords;
-}

Dashboard.Drawing.OpenGL/GLEngine.cs

@@ -1,40 +0,0 @@
-// using Dashboard.Drawing.OpenGL.Text;
-using Dashboard.OpenGL;
-using OpenTK;
-using OpenTK.Graphics;
-
-namespace Dashboard.Drawing.OpenGL
-{
-    public class GLEngine
-    {
-        private readonly Dictionary<IGLContext, ContextExecutor> _executors = new Dictionary<IGLContext, ContextExecutor>();
-
-        public bool IsInitialized { get; private set; } = false;
-        public ContextResourcePoolManager ResourcePoolManager { get; private set; } = new ContextResourcePoolManager();
-
-        public void Initialize(IBindingsContext? bindingsContext = null)
-        {
-            if (IsInitialized)
-                return;
-            IsInitialized = true;
-
-            if (bindingsContext != null)
-                GLLoader.LoadBindings(bindingsContext);
-
-            // Typesetter.Backend = BlurgEngine.Global;
-        }
-
-        public ContextExecutor GetExecutor(IGLContext glContext)
-        {
-            if (!_executors.TryGetValue(glContext, out ContextExecutor? executor))
-            {
-                executor = new ContextExecutor(this, glContext);
-                executor.Initialize();
-
-                _executors.Add(glContext, executor);
-            }
-
-            return executor;
-        }
-    }
-}

Dashboard.Drawing.OpenGL/GradientUniformBuffer.cs

@@ -1,90 +0,0 @@
-using System.Runtime.InteropServices;
-using Dashboard.OpenGL;
-using OpenTK.Mathematics;
-
-namespace Dashboard.Drawing.OpenGL
-{
-    public class GradientUniformBuffer : IInitializer, IGLDisposable, IResourceManager
-    {
-        private bool _isDisposed;
-        private int _top = 0;
-        private readonly MappableBuffer<GradientUniformStruct> _buffer = new MappableBuffer<GradientUniformStruct>();
-        private readonly Dictionary<Gradient, Entry> _entries = new Dictionary<Gradient, Entry>();
-
-        public bool IsInitialized { get; private set; } = false;
-
-        public void Initialize()
-        {
-            if (IsInitialized)
-                return;
-
-            IsInitialized = true;
-
-            _buffer.Initialize();
-        }
-
-        public Entry InternGradient(Gradient gradient)
-        {
-            if (_entries.TryGetValue(gradient, out Entry entry))
-                return entry;
-
-            int count = gradient.Count;
-            int offset = _top;
-            _top += count;
-
-            _buffer.EnsureCapacity(_top);
-            _buffer.Map();
-            Span<GradientUniformStruct> span = _buffer.AsSpan()[offset.._top];
-
-            for (int i = 0; i < count; i++)
-            {
-                GradientStop stop = gradient[i];
-                span[i] = new GradientUniformStruct()
-                {
-                    Position = stop.Position,
-                    Color = new Vector4(
-                        stop.Color.R / 255f,
-                        stop.Color.G / 255f,
-                        stop.Color.B / 255f,
-                        stop.Color.A / 255f),
-                };
-            }
-
-            entry = new Entry(offset, count);
-            _entries.Add(gradient, entry);
-
-            return entry;
-        }
-
-        public void Clear()
-        {
-            _entries.Clear();
-            _top = 0;
-        }
-
-        public record struct Entry(int Offset, int Count);
-
-        public void Dispose() => Dispose(true);
-
-        public void Dispose(bool safeExit)
-        {
-            if (_isDisposed)
-                return;
-            _isDisposed = true;
-
-            _buffer.Dispose(safeExit);
-        }
-
-        string IResourceManager.Name { get; } = nameof(GradientUniformBuffer);
-    }
-
-    [StructLayout(LayoutKind.Explicit, Size = 8 * sizeof(float))]
-    public struct GradientUniformStruct
-    {
-        [FieldOffset(0 * sizeof(float))]
-        public float Position;
-
-        [FieldOffset(4 * sizeof(float))]
-        public Vector4 Color;
-    }
-}

Dashboard.Drawing.OpenGL/IArc.cs

@@ -1,24 +0,0 @@
-namespace Dashboard.Drawing.OpenGL
-{
-    /// <summary>
-    /// Atomic reference counter.
-    /// </summary>
-    public interface IArc : IDisposable
-    {
-        /// <summary>
-        /// The number of references to this.
-        /// </summary>
-        int References { get; }
-
-        /// <summary>
-        /// Increment the number of references.
-        /// </summary>
-        void IncrementReference();
-
-        /// <summary>
-        /// Decrement the number of references.
-        /// </summary>
-        /// <returns>True if this was the last reference.</returns>
-        bool DecrementReference();
-    }
-}

Dashboard.Drawing.OpenGL/IInitializer.cs

@@ -1,9 +0,0 @@
-namespace Dashboard.Drawing.OpenGL
-{
-    public interface IInitializer
-    {
-        bool IsInitialized { get; }
-
-        void Initialize();
-    }
-}

Dashboard.Drawing.OpenGL/IResourceManager.cs

@@ -1,7 +0,0 @@
-namespace Dashboard.Drawing.OpenGL
-{
-    public interface IResourceManager
-    {
-        public string Name { get; }
-    }
-}

Dashboard.Drawing.OpenGL/MappableBuffer.cs

@@ -1,168 +0,0 @@
-using System.Numerics;
-using System.Runtime.CompilerServices;
-using Dashboard.OpenGL;
-using OpenTK.Graphics.OpenGL;
-
-namespace Dashboard.Drawing.OpenGL
-{
-    public class MappableBuffer<T> : IInitializer, IGLDisposable where T : struct
-    {
-        public int Handle { get; private set; } = 0;
-        public int Capacity { get; set; } = BASE_CAPACITY;
-        public IntPtr Pointer { get; private set; } = IntPtr.Zero;
-
-        public bool IsInitialized => Handle != 0;
-
-        private bool _isDisposed = false;
-        private const int BASE_CAPACITY = 4 << 10;  // 4 KiB
-        private const int MAX_INCREMENT = 4 << 20;  // 4 MiB
-
-        ~MappableBuffer()
-        {
-            Dispose(true, false);
-        }
-
-        public void Initialize()
-        {
-            if (IsInitialized)
-                return;
-
-            Handle = GL.GenBuffer();
-            GL.BindBuffer(BufferTarget.ArrayBuffer, Handle);
-            GL.BufferData(BufferTarget.ArrayBuffer, Capacity, IntPtr.Zero, BufferUsage.DynamicDraw);
-        }
-
-        public void EnsureCapacity(int count)
-        {
-            if (count < 0)
-                throw new ArgumentOutOfRangeException(nameof(count));
-
-            if (Capacity > count)
-                return;
-
-            SetSize(count, false);
-        }
-
-        public void SetSize(int count, bool clear = false)
-        {
-            AssertInitialized();
-            Unmap();
-
-            int sz = Unsafe.SizeOf<T>();
-            int oldsize = Capacity * sz;
-            int request = count * sz;
-            int newsize;
-
-            if (request < BASE_CAPACITY)
-                request = BASE_CAPACITY;
-
-            if (request > MAX_INCREMENT)
-            {
-                newsize = ((request + MAX_INCREMENT - 1) / MAX_INCREMENT) * MAX_INCREMENT;
-            }
-            else
-            {
-                newsize = checked((int)BitOperations.RoundUpToPowerOf2((ulong)request));
-            }
-
-            int dest = GL.GenBuffer();
-
-            if (clear)
-            {
-                GL.BindBuffer(BufferTarget.ArrayBuffer, dest);
-                GL.BufferData(BufferTarget.ArrayBuffer, newsize, IntPtr.Zero, BufferUsage.DynamicDraw);
-            }
-            else
-            {
-                GL.BindBuffer(BufferTarget.CopyWriteBuffer, dest);
-                GL.BindBuffer(BufferTarget.CopyReadBuffer, Handle);
-
-                GL.BufferData(BufferTarget.CopyWriteBuffer, newsize, IntPtr.Zero, BufferUsage.DynamicDraw);
-                GL.CopyBufferSubData(CopyBufferSubDataTarget.CopyReadBuffer, CopyBufferSubDataTarget.CopyWriteBuffer, 0, 0, Math.Min(newsize, oldsize));
-            }
-
-            GL.DeleteBuffer(Handle);
-            Handle = dest;
-            Capacity = newsize / Unsafe.SizeOf<T>();
-        }
-
-        public unsafe void Map()
-        {
-            if (Pointer != IntPtr.Zero)
-                return;
-
-            AssertInitialized();
-
-            GL.BindBuffer(BufferTarget.ArrayBuffer, Handle);
-            Pointer = (IntPtr)GL.MapBuffer(BufferTarget.ArrayBuffer, BufferAccess.ReadWrite);
-        }
-
-        public void Unmap()
-        {
-            if (Pointer == IntPtr.Zero)
-                return;
-
-            AssertInitialized();
-
-            GL.BindBuffer(BufferTarget.ArrayBuffer, Handle);
-            GL.UnmapBuffer(BufferTarget.ArrayBuffer);
-            Pointer = IntPtr.Zero;
-        }
-
-        public unsafe Span<T> AsSpan()
-        {
-            if (Pointer == IntPtr.Zero)
-                throw new InvalidOperationException("The buffer is not currently mapped.");
-
-            AssertInitialized();
-
-            return new Span<T>(Pointer.ToPointer(), Capacity);
-        }
-
-        private void AssertInitialized()
-        {
-            if (Handle == 0)
-                throw new InvalidOperationException("The buffer is not initialized.");
-        }
-
-        private void Dispose(bool safeExit, bool disposing)
-        {
-            if (_isDisposed)
-                return;
-            _isDisposed = true;
-
-            if (disposing)
-                GC.SuppressFinalize(this);
-
-            if (safeExit)
-                ContextCollector.Global.DeleteBufffer(Handle);
-        }
-
-        public void Dispose() => Dispose(true, true);
-        public void Dispose(bool safeExit) => Dispose(safeExit, true);
-    }
-
-    public class MappableBumpAllocator<T> : MappableBuffer<T> where T : struct
-    {
-        private int _top = 0;
-        private int _previousTop = 0;
-
-        public ref T Take(out int index)
-        {
-            index = _top;
-            EnsureCapacity(++_top);
-            Map();
-
-            return ref AsSpan()[index];
-        }
-
-        public ref T Take() => ref Take(out _);
-
-        public void Clear()
-        {
-            SetSize(0, true);
-            _previousTop = _top;
-            _top = 0;
-        }
-    }
-}

Dashboard.Drawing.OpenGL/TransformStack.cs

@@ -1,51 +0,0 @@
-using OpenTK.Mathematics;
-
-namespace Dashboard.Drawing.OpenGL
-{
-    /// <summary>
-    /// The current stack of transformations.
-    /// </summary>
-    public class TransformStack
-    {
-        private Matrix4 _top = Matrix4.Identity;
-        private readonly Stack<Matrix4> _stack = new Stack<Matrix4>();
-
-        /// <summary>
-        /// The top-most transform matrix.
-        /// </summary>
-        public ref readonly Matrix4 Top => ref _top;
-
-        /// <summary>
-        /// The number of matrices in the stack.
-        /// </summary>
-        public int Count => _stack.Count;
-
-        /// <summary>
-        /// Push a transform.
-        /// </summary>
-        /// <param name="transform">The transform to push.</param>
-        public void Push(in Matrix4 transform)
-        {
-            _stack.Push(_top);
-            _top = transform * _top;
-        }
-
-        /// <summary>
-        /// Pop a transform.
-        /// </summary>
-        public void Pop()
-        {
-            if (!_stack.TryPop(out _top))
-                _top = Matrix4.Identity;
-        }
-
-        /// <summary>
-        /// Clear the stack of transformations.
-        /// </summary>
-        public void Clear()
-        {
-            _stack.Clear();
-            _top = Matrix4.Identity;
-        }
-    }
-}

Dashboard.Drawing/Brush.cs

@@ -1,52 +0,0 @@
-using System;
-using System.Drawing;
-
-namespace Dashboard.Drawing
-{
-    public class BrushExtension : DrawExtension
-    {
-        private BrushExtension() : base("DB_Brush") { }
-
-        public static readonly BrushExtension Instance = new BrushExtension();
-    }
-
-    public interface IBrush : IDrawResource
-    {
-    }
-
-    public readonly struct SolidBrush(Color color) : IBrush
-    {
-        public IDrawExtension Kind { get; } = SolidBrushExtension.Instance;
-        public Color Color { get; } = color;
-
-        public override int GetHashCode()
-        {
-            return HashCode.Combine(Kind, Color);
-        }
-    }
-
-    public readonly struct GradientBrush(Gradient gradient) : IBrush
-    {
-        public IDrawExtension Kind { get; } = GradientBrushExtension.Instance;
-        public Gradient Gradient { get; } = gradient;
-
-        public override int GetHashCode()
-        {
-            return HashCode.Combine(Kind, Gradient);
-        }
-    }
-
-    public class SolidBrushExtension : DrawExtension
-    {
-        private SolidBrushExtension() : base("DB_Brush_solid", new[] { BrushExtension.Instance }) { }
-
-        public static readonly SolidBrushExtension Instance = new SolidBrushExtension();
-    }
-
-    public class GradientBrushExtension : DrawExtension
-    {
-        private GradientBrushExtension() : base("DB_Brush_gradient", new[] { BrushExtension.Instance }) { }
-
-        public static readonly GradientBrushExtension Instance = new GradientBrushExtension();
-    }
-}

Dashboard.Drawing/Dashboard.Drawing.csproj

@@ -1,13 +0,0 @@
-<Project Sdk="Microsoft.NET.Sdk">
-
-  <PropertyGroup>
-    <TargetFramework>net10.0</TargetFramework>
-    <ImplicitUsings>disable</ImplicitUsings>
-    <Nullable>enable</Nullable>
-  </PropertyGroup>
-
-  <ItemGroup>
-    <ProjectReference Include="..\Dashboard.Common\Dashboard.Common.csproj" />
-  </ItemGroup>
-
-</Project>

Dashboard.Drawing/DbBaseCommands.cs

@@ -1,292 +0,0 @@
-using System;
-using System.Collections;
-using System.Diagnostics.CodeAnalysis;
-using System.Numerics;
-using System.Runtime.CompilerServices;
-using System.Runtime.InteropServices;
-
-namespace Dashboard.Drawing
-{
-    public class DbBaseCommands : DrawExtension
-    {
-        public DrawCommand<PointCommandArgs> DrawPoint { get; }
-        public DrawCommand<LineCommandArgs> DrawLine { get; }
-        public RectCommand DrawRectF { get; }
-        public RectCommand DrawRectS { get; }
-        public RectCommand DrawRectFS { get; }
-
-        private DbBaseCommands() : base("DB_base",
-            new[]
-            {
-                BrushExtension.Instance,
-            })
-        {
-            AddCommand(DrawPoint = new DrawCommand<PointCommandArgs>("Point", this, PointCommandArgs.CommandSize));
-            AddCommand(DrawLine = new DrawCommand<LineCommandArgs>("Line", this, LineCommandArgs.CommandSize));
-            AddCommand(DrawRectF = new RectCommand(this, RectCommand.Mode.Fill));
-            AddCommand(DrawRectS = new RectCommand(this, RectCommand.Mode.Strike));
-            AddCommand(DrawRectFS = new RectCommand(this, RectCommand.Mode.FillStrike));
-        }
-
-        public static readonly DbBaseCommands Instance = new DbBaseCommands();
-    }
-
-    public struct PointCommandArgs : IParameterSerializer<PointCommandArgs>
-    {
-        public Vector2 Position { get; private set; }
-        public float Depth { get; private set; }
-        public float Size { get; private set; }
-        public IBrush? Brush { get; private set; }
-
-        public PointCommandArgs(Vector2 position, float depth, float size, IBrush brush)
-        {
-            Position = position;
-            Depth = depth;
-            Brush = brush;
-            Size = size;
-        }
-
-        public int Serialize(DrawQueue queue, Span<byte> bytes)
-        {
-            if (bytes.Length < CommandSize)
-                return CommandSize;
-
-            Span<Value> value = stackalloc Value[]
-            {
-                new Value(Position, Depth, Size, queue.RequireResource(Brush!))
-            };
-
-            MemoryMarshal.AsBytes(value).CopyTo(bytes);
-            return CommandSize;
-        }
-
-        [MemberNotNull(nameof(Brush))]
-        public void Deserialize(DrawQueue queue, ReadOnlySpan<byte> bytes)
-        {
-            if (bytes.Length < CommandSize)
-                throw new Exception("Not enough bytes");
-
-            Value value = MemoryMarshal.AsRef<Value>(bytes);
-
-            Position = value.Position;
-            Depth = value.Depth;
-            Size = value.Size;
-            Brush = (IBrush)queue.Resources[value.BrushIndex];
-        }
-
-        private record struct Value(Vector2 Position, float Depth, float Size, int BrushIndex);
-
-        public static readonly int CommandSize = Unsafe.SizeOf<Value>();
-    }
-
-    public struct LineCommandArgs : IParameterSerializer<LineCommandArgs>
-    {
-        public Vector2 Start { get; private set; }
-        public Vector2 End { get; private set; }
-        public float Depth { get; private set; }
-        public float Size { get; private set; }
-        public IBrush? Brush { get; private set; }
-
-        public LineCommandArgs(Vector2 start, Vector2 end, float depth, float size, IBrush brush)
-        {
-            Start = start;
-            End = end;
-            Depth = depth;
-            Size = size;
-            Brush = brush;
-        }
-
-        public int Serialize(DrawQueue queue, Span<byte> bytes)
-        {
-            if (bytes.Length < CommandSize)
-                return CommandSize;
-
-            Span<Value> value = stackalloc Value[]
-            {
-                new Value(Start, End, Depth, Size, queue.RequireResource(Brush!))
-            };
-
-            MemoryMarshal.AsBytes(value).CopyTo(bytes);
-            return CommandSize;
-        }
-
-        public void Deserialize(DrawQueue queue, ReadOnlySpan<byte> bytes)
-        {
-            if (bytes.Length < CommandSize)
-                throw new Exception("Not enough bytes");
-
-            Value value = MemoryMarshal.AsRef<Value>(bytes);
-
-            Start = value.Start;
-            End = value.End;
-            Depth = value.Depth;
-            Size = value.Size;
-            Brush = (IBrush)queue.Resources[value.BrushIndex];
-        }
-
-        private record struct Value(Vector2 Start, Vector2 End, float Depth, float Size, int BrushIndex);
-
-        public static readonly int CommandSize = Unsafe.SizeOf<Value>();
-    }
-
-
-
-    public class RectCommand : IDrawCommand<RectCommandArgs>
-    {
-        private readonly Mode _mode;
-        public string Name { get; }
-        public IDrawExtension Extension { get; }
-        public int Length { get; }
-
-        public RectCommand(IDrawExtension extension, Mode mode)
-        {
-            Extension = extension;
-            _mode = mode;
-
-            switch (mode)
-            {
-            case Mode.Fill:
-                Name = "RectF";
-                Length = Unsafe.SizeOf<RectF>();
-                break;
-            case Mode.Strike:
-                Name = "RectS";
-                Length = Unsafe.SizeOf<RectS>();
-                break;
-            default:
-                Name = "RectFS";
-                Length = Unsafe.SizeOf<RectFS>();
-                break;
-            }
-        }
-
-        object? IDrawCommand.GetParams(DrawQueue queue, ReadOnlySpan<byte> param)
-        {
-            return GetParams(queue, param);
-        }
-
-        public RectCommandArgs GetParams(DrawQueue queue, ReadOnlySpan<byte> param)
-        {
-            if (param.Length < Length)
-                throw new Exception("Not enough bytes");
-
-            RectCommandArgs args;
-
-            switch (_mode)
-            {
-            case Mode.Fill:
-                ref readonly RectF f = ref MemoryMarshal.AsRef<RectF>(param);
-                args = new RectCommandArgs(f.Start, f.End, f.Depth, (IBrush)queue.Resources[f.FillBrushIndex]);
-                break;
-            case Mode.Strike:
-                ref readonly RectS s = ref MemoryMarshal.AsRef<RectS>(param);
-                args = new RectCommandArgs(s.Start, s.End, s.Depth, (IBrush)queue.Resources[s.StrikeBrushIndex], s.StrikeSize, s.BorderKind);
-                break;
-            default:
-                ref readonly RectFS fs = ref MemoryMarshal.AsRef<RectFS>(param);
-                args = new RectCommandArgs(fs.Start, fs.End, fs.Depth, (IBrush)queue.Resources[fs.FillBrushIndex],
-                    (IBrush)queue.Resources[fs.StrikeBrushIndex], fs.StrikeSize, fs.BorderKind);
-                break;
-            }
-
-            return args;
-        }
-
-        public int WriteParams(DrawQueue queue, object? obj, Span<byte> param)
-        {
-            return WriteParams(queue, (RectCommandArgs)obj, param);
-        }
-
-        public int WriteParams(DrawQueue queue, RectCommandArgs obj, Span<byte> param)
-        {
-            if (param.Length < Length)
-                return Length;
-
-            switch (_mode)
-            {
-                case Mode.Fill:
-                    ref RectF f = ref MemoryMarshal.AsRef<RectF>(param);
-                    f.Start = obj.Start;
-                    f.End = obj.End;
-                    f.Depth = obj.Depth;
-                    f.FillBrushIndex = queue.RequireResource(obj.FillBrush!);
-                    break;
-                case Mode.Strike:
-                    ref RectS s = ref MemoryMarshal.AsRef<RectS>(param);
-                    s.Start = obj.Start;
-                    s.End = obj.End;
-                    s.Depth = obj.Depth;
-                    s.StrikeBrushIndex = queue.RequireResource(obj.StrikeBrush!);
-                    s.StrikeSize = obj.StrikeSize;
-                    s.BorderKind = obj.BorderKind;
-                    break;
-                default:
-                    ref RectFS fs = ref MemoryMarshal.AsRef<RectFS>(param);
-                    fs.Start = obj.Start;
-                    fs.End = obj.End;
-                    fs.Depth = obj.Depth;
-                    fs.FillBrushIndex = queue.RequireResource(obj.FillBrush!);
-                    fs.StrikeBrushIndex = queue.RequireResource(obj.StrikeBrush!);
-                    fs.StrikeSize = obj.StrikeSize;
-                    fs.BorderKind = obj.BorderKind;
-                    break;
-            }
-
-            return Length;
-        }
-
-        [Flags]
-        public enum Mode
-        {
-            Fill = 1,
-            Strike = 2,
-            FillStrike = Fill | Strike,
-        }
-
-        private record struct RectF(Vector2 Start, Vector2 End, float Depth, int FillBrushIndex);
-        private record struct RectS(Vector2 Start, Vector2 End, float Depth, int StrikeBrushIndex, float StrikeSize, BorderKind BorderKind);
-        private record struct RectFS(Vector2 Start, Vector2 End, float Depth, int FillBrushIndex, int StrikeBrushIndex, float StrikeSize, BorderKind BorderKind);
-    }
-
-    public struct RectCommandArgs
-    {
-        public Vector2 Start { get; private set; }
-        public Vector2 End { get; private set; }
-        public float Depth { get; private set; }
-        public float StrikeSize { get; private set; } = 0f;
-        public BorderKind BorderKind { get; private set; } = BorderKind.Center;
-        public IBrush? FillBrush { get; private set; } = null;
-        public IBrush? StrikeBrush { get; private set; } = null;
-        public bool IsStruck => StrikeSize != 0;
-
-        public RectCommandArgs(Vector2 start, Vector2 end, float depth, IBrush fillBrush)
-        {
-            Start = start;
-            End = end;
-            Depth = depth;
-            FillBrush = fillBrush;
-        }
-
-        public RectCommandArgs(Vector2 start, Vector2 end, float depth, IBrush strikeBrush, float strikeSize, BorderKind borderKind)
-        {
-            Start = start;
-            End = end;
-            Depth = depth;
-            StrikeBrush = strikeBrush;
-            StrikeSize = strikeSize;
-            BorderKind = borderKind;
-        }
-
-        public RectCommandArgs(Vector2 start, Vector2 end, float depth, IBrush fillBrush, IBrush strikeBrush, float strikeSize,
-            BorderKind borderKind)
-        {
-            Start = start;
-            End = end;
-            Depth = depth;
-            FillBrush = fillBrush;
-            StrikeBrush = strikeBrush;
-            StrikeSize = strikeSize;
-            BorderKind = borderKind;
-        }
-    }
-}

Dashboard.Drawing/DrawBuffer.cs

@@ -1,26 +0,0 @@
-using System.Numerics;
-
-namespace Dashboard.Drawing
-{
-    public enum DrawPrimitive
-    {
-        Point,
-        Line,
-        LineStrip,
-        Triangle,
-        TriangleFan,
-        TriangleStrip
-    }
-
-    public record struct DrawVertex(Vector3 Position, Vector3 TextureCoordinate, Vector4 Color);
-
-    public record DrawInfo(DrawPrimitive Primitive, int Count)
-    {
-
-    }
-
-    public class DrawBuffer
-    {
-
-    }
-}

Dashboard.Drawing/DrawCommand.cs

@@ -1,107 +0,0 @@
-using System;
-
-namespace Dashboard.Drawing
-{
-    public interface IDrawCommand
-    {
-        /// <summary>
-        /// Name of the command.
-        /// </summary>
-        string Name { get; }
-
-        /// <summary>
-        /// The draw extension that defines this command.
-        /// </summary>
-        IDrawExtension Extension { get; }
-
-        /// <summary>
-        /// The length of the command data segment, in bytes.
-        /// </summary>
-        /// <remarks>
-        /// Must be 0 for simple commands. For commands that are variadic, the
-        /// value must be less than 0. Any other positive value, otherwise.
-        /// </remarks>
-        int Length { get; }
-
-        /// <summary>
-        /// Get the parameters object for this command.
-        /// </summary>
-        /// <param name="param">The parameter array.</param>
-        /// <returns>The parameters object.</returns>
-        object? GetParams(DrawQueue queue, ReadOnlySpan<byte> param);
-
-        int WriteParams(DrawQueue queue, object? obj, Span<byte> param);
-    }
-
-    public interface IDrawCommand<T> : IDrawCommand
-    {
-        /// <summary>
-        /// Get the parameters object for this command.
-        /// </summary>
-        /// <param name="param">The parameter array.</param>
-        /// <returns>The parameters object.</returns>
-        new T? GetParams(DrawQueue queue, ReadOnlySpan<byte> param);
-
-        new int WriteParams(DrawQueue queue, T? obj, Span<byte> param);
-    }
-
-    public sealed class DrawCommand : IDrawCommand
-    {
-        public string Name { get; }
-        public IDrawExtension Extension { get; }
-        public int Length { get; } = 0;
-
-        public DrawCommand(string name, IDrawExtension extension)
-        {
-            Name = name;
-            Extension = extension;
-        }
-
-        public object? GetParams(DrawQueue queue, ReadOnlySpan<byte> param)
-        {
-            return null;
-        }
-
-        public int WriteParams(DrawQueue queue, object? obj, Span<byte> param)
-        {
-            return 0;
-        }
-    }
-
-    public sealed class DrawCommand<T> : IDrawCommand<T>
-        where T : IParameterSerializer<T>, new()
-    {
-        public string Name { get; }
-        public IDrawExtension Extension { get; }
-        public int Length { get; }
-
-        public DrawCommand(string name, IDrawExtension extension, int length)
-        {
-            Name = name;
-            Extension = extension;
-            Length = length;
-        }
-
-        public T? GetParams(DrawQueue queue, ReadOnlySpan<byte> param)
-        {
-            T t = new T();
-            t.Deserialize(queue, param);
-            return t;
-        }
-
-        public int WriteParams(DrawQueue queue, T? obj, Span<byte> param)
-        {
-            return obj!.Serialize(queue, param);
-        }
-
-        int IDrawCommand.WriteParams(DrawQueue queue, object? obj, Span<byte> param)
-        {
-            return WriteParams(queue, (T?)obj, param);
-        }
-
-        object? IDrawCommand.GetParams(DrawQueue queue, ReadOnlySpan<byte> param)
-        {
-            return GetParams(queue, param);
-        }
-    }
-}

Dashboard.Drawing/DrawExtension.cs

@@ -1,141 +0,0 @@
-using System.Collections.Generic;
-using System.Collections.Immutable;
-using System.Drawing;
-using System.Linq;
-using System.Numerics;
-using System.Runtime.InteropServices;
-
-namespace Dashboard.Drawing
-{
-    /// <summary>
-    /// Interface for all drawing extensions.
-    /// </summary>
-    public interface IDrawExtension
-    {
-        /// <summary>
-        /// Name of this extension.
-        /// </summary>
-        public string Name { get; }
-
-        public IReadOnlyList<IDrawExtension> Requires { get; }
-
-        /// <summary>
-        /// The list of commands this extension defines, if any.
-        /// </summary>
-        public IReadOnlyList<IDrawCommand> Commands { get; }
-    }
-
-    /// <summary>
-    /// A simple draw extension.
-    /// </summary>
-    public class DrawExtension : IDrawExtension
-    {
-        private readonly List<IDrawCommand> _drawCommands = new List<IDrawCommand>();
-
-        public string Name { get; }
-
-        public IReadOnlyList<IDrawCommand> Commands { get; }
-
-        public IReadOnlyList<IDrawExtension> Requires { get; }
-
-        public DrawExtension(string name, IEnumerable<IDrawExtension>? requires = null)
-        {
-            Name = name;
-            Commands = _drawCommands.AsReadOnly();
-            Requires = (requires ?? Enumerable.Empty<IDrawExtension>()).ToImmutableList();
-        }
-
-        protected void AddCommand(IDrawCommand command)
-        {
-            _drawCommands.Add(command);
-        }
-    }
-
-    public static class DrawExtensionClass
-    {
-        /// <summary>
-        /// Get the draw controller for the given queue.
-        /// </summary>
-        /// <param name="extension">The extension instance.</param>
-        /// <param name="queue">The draw queue.</param>
-        /// <returns>The draw controller for this queue.</returns>
-        public static IDrawController GetController(this IDrawExtension extension, DrawQueue queue)
-        {
-            return queue.GetController(extension);
-        }
-
-        public static void Point(this DrawQueue queue, Vector2 position, float depth, float size, IBrush brush)
-        {
-            Vector2 radius = new Vector2(0.5f * size);
-            Box2d bounds = new Box2d(position - radius, position + radius);
-
-            IDrawController controller = queue.GetController(DbBaseCommands.Instance);
-            controller.EnsureBounds(bounds, depth);
-            controller.Write(DbBaseCommands.Instance.DrawPoint, new PointCommandArgs(position, depth, size, brush));
-        }
-
-        public static void Line(this DrawQueue queue, Vector2 start, Vector2 end, float depth, float size, IBrush brush)
-        {
-            Vector2 radius = new Vector2(size / 2f);
-            Vector2 min = Vector2.Min(start, end) - radius;
-            Vector2 max = Vector2.Max(start, end) + radius;
-            Box2d bounds = new Box2d(min, max);
-
-            IDrawController controller = queue.GetController(DbBaseCommands.Instance);
-            controller.EnsureBounds(bounds, depth);
-            controller.Write(DbBaseCommands.Instance.DrawLine, new LineCommandArgs(start, end, depth, size, brush));
-        }
-
-        public static void Rect(this DrawQueue queue, Vector2 start, Vector2 end, float depth, IBrush fillBrush)
-        {
-            IDrawController controller = queue.GetController(DbBaseCommands.Instance);
-            Vector2 min = Vector2.Min(start, end);
-            Vector2 max = Vector2.Max(start, end);
-            controller.EnsureBounds(new Box2d(min, max), depth);
-            controller.Write(DbBaseCommands.Instance.DrawRectF, new RectCommandArgs(start, end, depth, fillBrush));
-        }
-
-        public static void Rect(this DrawQueue queue, Vector2 start, Vector2 end, float depth, IBrush strikeBrush, float strikeSize,
-            BorderKind kind = BorderKind.Center)
-        {
-            IDrawController controller = queue.GetController(DbBaseCommands.Instance);
-            Vector2 min = Vector2.Min(start, end);
-            Vector2 max = Vector2.Max(start, end);
-            controller.EnsureBounds(new Box2d(min, max), depth);
-            controller.Write(DbBaseCommands.Instance.DrawRectS, new RectCommandArgs(start, end, depth, strikeBrush, strikeSize, kind));
-        }
-
-        public static void Rect(this DrawQueue queue, Vector2 start, Vector2 end, float depth,  IBrush fillBrush, IBrush strikeBrush,
-            float strikeSize, BorderKind kind = BorderKind.Center)
-        {
-            IDrawController controller = queue.GetController(DbBaseCommands.Instance);
-            Vector2 min = Vector2.Min(start, end);
-            Vector2 max = Vector2.Max(start, end);
-            controller.EnsureBounds(new Box2d(min, max), depth);
-            controller.Write(DbBaseCommands.Instance.DrawRectFS, new RectCommandArgs(start, end, depth, fillBrush, strikeBrush, strikeSize, kind));
-        }
-
-        public static void Text(this DrawQueue queue, Vector3 position, IBrush brush, string text, IFont font,
-            Anchor anchor = Anchor.Left)
-        {
-            IDrawController controller = queue.GetController(DbBaseCommands.Instance);
-            SizeF size = Typesetter.MeasureString(font, text);
-            controller.EnsureBounds(new Box2d(position.X, position.Y, position.X + size.Width, position.Y + size.Height), position.Z);
-            controller.Write(TextExtension.Instance.TextCommand, new TextCommandArgs(font, brush, anchor, position, text));
-        }
-
-        public static void Text(this DrawQueue queue, Vector3 position, IBrush textBrush, IBrush borderBrush,
-            float borderRadius, string text, IFont font, Anchor anchor = Anchor.Left, BorderKind borderKind = BorderKind.Outset)
-        {
-            IDrawController controller = queue.GetController(DbBaseCommands.Instance);
-            SizeF size = Typesetter.MeasureString(font, text);
-            controller.EnsureBounds(new Box2d(position.X, position.Y, position.X + size.Width, position.Y + size.Height), position.Z);
-            controller.Write(TextExtension.Instance.TextCommand, new TextCommandArgs(font, textBrush, anchor, position, text)
-            {
-                BorderBrush = borderBrush,
-                BorderRadius = borderRadius,
-                BorderKind = borderKind,
-            });
-        }
-    }
-}

Dashboard.Drawing/DrawQueue.cs

@@ -1,368 +0,0 @@
-using System;
-using System.Collections;
-using System.Collections.Generic;
-using System.Diagnostics.CodeAnalysis;
-using System.IO;
-
-namespace Dashboard.Drawing
-{
-    public class DrawQueue : IEnumerable<ICommandFrame>, IDisposable
-    {
-        private readonly HashList<IDrawExtension> _extensions = new HashList<IDrawExtension>();
-        private readonly HashList<IDrawCommand> _commands = new HashList<IDrawCommand>();
-        private readonly HashList<IDrawResource> _resources = new HashList<IDrawResource>();
-        private readonly DrawController _controller;
-        private readonly MemoryStream _commandStream = new MemoryStream();
-
-        /// <summary>
-        /// The absolute boundary of all graphics objects.
-        /// </summary>
-        public Box3d Bounds { get; set; }
-
-        /// <summary>
-        /// The extensions required to draw the image.
-        /// </summary>
-        public IReadOnlyList<IDrawExtension> Extensions => _extensions;
-
-        /// <summary>
-        /// The resources used by this draw queue.
-        /// </summary>
-        public IReadOnlyList<IDrawResource> Resources => _resources;
-
-        /// <summary>
-        /// The list of commands used by the extension.
-        /// </summary>
-        public IReadOnlyList<IDrawCommand> Command => _commands;
-
-        public DrawQueue()
-        {
-            _controller = new DrawController(this);
-        }
-
-        /// <summary>
-        /// Clear the queue.
-        /// </summary>
-        public void Clear()
-        {
-            _resources.Clear();
-            _commands.Clear();
-            _extensions.Clear();
-            _commandStream.SetLength(0);
-        }
-
-        public int RequireExtension(IDrawExtension extension)
-        {
-            foreach (IDrawExtension super in extension.Requires)
-                RequireExtension(super);
-
-            return _extensions.Intern(extension);
-        }
-
-        public int RequireResource(IDrawResource resource)
-        {
-            RequireExtension(resource.Kind);
-            return _resources.Intern(resource);
-        }
-
-        internal IDrawController GetController(IDrawExtension extension)
-        {
-            _extensions.Intern(extension);
-            return _controller;
-        }
-
-        private void Write(IDrawCommand command)
-        {
-            if (command.Length > 0)
-                throw new InvalidOperationException("This command has a finite length argument.");
-
-            int cmdIndex = _commands.Intern(command);
-
-            Span<byte> cmd = stackalloc byte[6];
-            int sz;
-
-            if (command.Length == 0)
-            {
-                // Write a fixed command.
-                sz = ToVlq(cmdIndex, cmd);
-            }
-            else
-            {
-                // Write a variadic with zero length.
-                sz = ToVlq(cmdIndex, cmd);
-                cmd[sz++] = 0;
-            }
-
-            _commandStream.Write(cmd[..sz]);
-        }
-
-        private void Write(IDrawCommand command, ReadOnlySpan<byte> param)
-        {
-            if (command.Length < 0)
-            {
-                Span<byte> cmd = stackalloc byte[10];
-                int cmdIndex = _commands.Intern(command);
-                int sz = ToVlq(cmdIndex, cmd);
-                sz += ToVlq(param.Length, cmd[sz..]);
-                _commandStream.Write(cmd[..sz]);
-                _commandStream.Write(param);
-            }
-            else
-            {
-                if (command.Length != param.Length)
-                    throw new ArgumentOutOfRangeException(nameof(param.Length), "Length of the parameter does not match the command.");
-
-                Span<byte> cmd = stackalloc byte[5];
-                int cmdIndex = _commands.Intern(command);
-                int sz = ToVlq(cmdIndex, cmd);
-
-                _commandStream.Write(cmd[..sz]);
-                _commandStream.Write(param);
-            }
-        }
-
-        public Enumerator GetEnumerator() => new Enumerator(this);
-        IEnumerator<ICommandFrame> IEnumerable<ICommandFrame>.GetEnumerator() => GetEnumerator();
-        IEnumerator IEnumerable.GetEnumerator() => GetEnumerator();
-
-        private static int ToVlq(int value, Span<byte> bytes)
-        {
-            if (value < 0)
-                throw new ArgumentOutOfRangeException(nameof(value), "Must be a positive integer.");
-            else if (bytes.Length < 5)
-                throw new ArgumentOutOfRangeException(nameof(bytes), "Must at least be five bytes long.");
-
-            if (value == 0)
-            {
-                bytes[0] = 0;
-                return 1;
-            }
-
-            int i;
-            for (i = 0; i < 5 && value != 0; i++, value >>= 7)
-            {
-                if (i > 0)
-                    bytes[i - 1] |= 1 << 7;
-
-                bytes[i] = (byte)(value & 0x7F);
-            }
-
-            return i;
-        }
-
-        private static int FromVlq(ReadOnlySpan<byte> bytes, out int value)
-        {
-            value = 0;
-
-            int i;
-            for (i = 0; i < bytes.Length; i++)
-            {
-                byte b = bytes[i];
-
-                value |= (b & 0x7F) << (7*i);
-
-                if ((b & (1 << 7)) == 0)
-                {
-                    i++;
-                    break;
-                }
-            }
-
-            return i;
-        }
-
-        public void Dispose()
-        {
-            throw new NotImplementedException();
-        }
-
-        private class DrawController(DrawQueue Queue) : IDrawController
-        {
-            public void EnsureBounds(Box2d bounds, float depth)
-            {
-                Queue.Bounds = Box3d.Union(Queue.Bounds, bounds, depth);
-            }
-
-            public void Write(IDrawCommand command)
-            {
-                Queue.Write(command);
-            }
-
-            public void Write(IDrawCommand command, ReadOnlySpan<byte> bytes)
-            {
-                Queue.Write(command, bytes);
-            }
-
-            public void Write<T>(IDrawCommand command, T param) where T : IParameterSerializer<T>
-            {
-                int length = param.Serialize(Queue, Span<byte>.Empty);
-                Span<byte> bytes = stackalloc byte[length];
-
-                param.Serialize(Queue, bytes);
-                Write(command, bytes);
-            }
-
-            public void Write<T1, T2>(T2 command, T1 param) where T2 : IDrawCommand<T1>
-            {
-                int length = command.WriteParams(Queue, param, Span<byte>.Empty);
-                Span<byte> bytes = stackalloc byte[length];
-
-                command.WriteParams(Queue, param, bytes);
-                Write(command, bytes);
-            }
-        }
-
-        public class Enumerator : ICommandFrame, IEnumerator<ICommandFrame>
-        {
-            private readonly DrawQueue _queue;
-            private readonly byte[] _stream;
-            private int _length;
-            private int _index = -1;
-            private int _paramsIndex = -1;
-            private int _paramLength = 0;
-            private IDrawCommand? _current = null;
-
-            public ICommandFrame Current => this;
-
-            object? IEnumerator.Current => Current;
-
-            public IDrawCommand Command => _current ?? throw new InvalidOperationException();
-
-            public bool HasParameters { get; private set; }
-
-            public Enumerator(DrawQueue queue)
-            {
-                _queue = queue;
-                _stream = queue._commandStream.GetBuffer();
-                _length = (int)queue._commandStream.Length;
-            }
-
-            public bool MoveNext()
-            {
-                if (_index == -1)
-                    _index = 0;
-
-                if (_index >= _length)
-                    return false;
-
-
-                _index += FromVlq(_stream[_index .. (_index + 5)], out int command);
-                _current = _queue.Command[command];
-
-                HasParameters = _current.Length != 0;
-
-                if (!HasParameters)
-                {
-                    _paramsIndex = -1;
-                    return true;
-                }
-
-                int length;
-                if (_current.Length < 0)
-                {
-                    _index += FromVlq(_stream[_index .. (_index + 5)], out length);
-                }
-                else
-                {
-                    length = _current.Length;
-                }
-
-                _paramsIndex = _index;
-                _paramLength = length;
-                _index += length;
-
-                return true;
-            }
-
-            public void Reset()
-            {
-                _index = -1;
-                _current = null;
-            }
-
-            public object? GetParameter()
-            {
-                return _current?.GetParams(_queue, _stream.AsSpan(_paramsIndex, _paramLength));
-            }
-
-            public T GetParameter<T>()
-            {
-                if (_current is IDrawCommand<T> command)
-                {
-                    return command.GetParams(_queue, _stream.AsSpan(_paramsIndex, _paramLength))!;
-                }
-                else
-                {
-                    throw new InvalidOperationException();
-                }
-            }
-
-            public bool TryGetParameter<T>([NotNullWhen(true)] out T? parameter)
-            {
-                if (_current is IDrawCommand<T> command)
-                {
-                    parameter = command.GetParams(_queue, _stream.AsSpan(_paramsIndex, _paramLength))!;
-                    return true;
-                }
-                else
-                {
-                    parameter = default;
-                    return false;
-                }
-            }
-
-            public void Dispose()
-            {
-            }
-        }
-    }
-
-    public interface ICommandFrame
-    {
-        public IDrawCommand Command { get; }
-
-        public bool HasParameters { get; }
-
-        public object? GetParameter();
-
-        public T GetParameter<T>();
-
-        public bool TryGetParameter<T>([NotNullWhen(true)] out T? parameter);
-    }
-
-
-    public interface IDrawController
-    {
-        /// <summary>
-        /// Ensures that the canvas is at least a certain size.
-        /// </summary>
-        /// <param name="bounds">The bounding box.</param>
-        void EnsureBounds(Box2d bounds, float depth);
-
-        /// <summary>
-        /// Write into the command stream.
-        /// </summary>
-        /// <param name="command">The command to write.</param>
-        void Write(IDrawCommand command);
-
-        /// <summary>
-        /// Write into the command stream.
-        /// </summary>
-        /// <param name="command">The command to write.</param>
-        /// <param name="param">Any data associated with the command.</param>
-        void Write(IDrawCommand command, ReadOnlySpan<byte> param);
-
-        /// <summary>
-        /// Write into the command stream.
-        /// </summary>
-        /// <param name="command">The command to write.</param>
-        /// <param name="param">Any data associated with the command.</param>
-        void Write<T>(IDrawCommand command, T param) where T : IParameterSerializer<T>;
-
-        /// <summary>
-        /// Write into the command stream.
-        /// </summary>
-        /// <param name="command">The command to write.</param>
-        /// <param name="param">Any data associated with the command.</param>
-        void Write<T1, T2>(T2 command, T1 param) where T2 : IDrawCommand<T1>;
-    }
-}

Dashboard.Drawing/IDrawQueuePaintable.cs

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

Dashboard.Drawing/IDrawResource.cs

@@ -1,13 +0,0 @@
-namespace Dashboard.Drawing
-{
-    /// <summary>
-    /// Interface for draw resources.
-    /// </summary>
-    public interface IDrawResource
-    {
-        /// <summary>
-        /// The extension for this kind of resource.
-        /// </summary>
-        IDrawExtension Kind { get; }
-    }
-}

Dashboard.Drawing/IParameterSerializer.cs

@@ -1,14 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace Dashboard.Drawing
-{
-    public interface IParameterSerializer<T>
-    { 
-        int Serialize(DrawQueue queue, Span<byte> bytes);
-        void Deserialize(DrawQueue queue, ReadOnlySpan<byte> bytes);
-    }
-}

Dashboard.Drawing/TextExtension.cs

@@ -1,140 +0,0 @@
-using System;
-using System.Numerics;
-using System.Runtime.CompilerServices;
-using System.Runtime.InteropServices;
-
-namespace Dashboard.Drawing
-{
-    public class TextExtension : DrawExtension
-    {
-        public TextCommand TextCommand { get; }
-
-        private TextExtension() : base("DB_Text", new [] { BrushExtension.Instance })
-        {
-            TextCommand = new TextCommand(this);
-        }
-
-        public static readonly TextExtension Instance = new TextExtension();
-    }
-
-    public class TextCommand : IDrawCommand<TextCommandArgs>
-    {
-        public string Name { get; } = "Text";
-        public IDrawExtension Extension { get; }
-        public int Length { get; } = -1;
-
-        public TextCommand(TextExtension ext)
-        {
-            Extension = ext;
-        }
-
-        public int WriteParams(DrawQueue queue, TextCommandArgs obj, Span<byte> param)
-        {
-            int size = Unsafe.SizeOf<Header>() + obj.Text.Length * sizeof(char) + sizeof(char);
-
-            if (param.Length < size)
-                return size;
-
-            ref Header header = ref MemoryMarshal.Cast<byte, Header>(param[0..Unsafe.SizeOf<Header>()])[0];
-            Span<char> text = MemoryMarshal.Cast<byte, char>(param[Unsafe.SizeOf<Header>()..]);
-
-            header = new Header()
-            {
-                // Font = queue.RequireResource(obj.Font),
-                TextBrush = queue.RequireResource(obj.TextBrush),
-                BorderBrush = (obj.BorderBrush != null) ? queue.RequireResource(obj.BorderBrush) : -1,
-                BorderRadius = (obj.BorderBrush != null) ? obj.BorderRadius : 0f,
-                Anchor = obj.Anchor,
-                Position = obj.Position,
-                BorderKind = obj.BorderKind,
-            };
-            obj.Text.CopyTo(text);
-
-            return size;
-        }
-
-        public TextCommandArgs GetParams(DrawQueue queue, ReadOnlySpan<byte> param)
-        {
-            Header header = MemoryMarshal.Cast<byte, Header>(param[0..Unsafe.SizeOf<Header>()])[0];
-            ReadOnlySpan<char> text = MemoryMarshal.Cast<byte, char>(param[Unsafe.SizeOf<Header>()..]);
-
-            if (header.BorderBrush != -1 && header.BorderRadius != 0)
-            {
-                return new TextCommandArgs(
-                    (IFont)queue.Resources[header.Font],
-                    (IBrush)queue.Resources[header.TextBrush],
-                    header.Anchor,
-                    header.Position,
-                    text.ToString())
-                {
-                    BorderBrush = (IBrush)queue.Resources[header.BorderBrush],
-                    BorderRadius = header.BorderRadius,
-                    BorderKind = header.BorderKind,
-                };
-            }
-            else
-            {
-                return new TextCommandArgs(
-                    (IFont)queue.Resources[header.Font],
-                    (IBrush)queue.Resources[header.TextBrush],
-                    header.Anchor,
-                    header.Position,
-                    text.ToString());
-            }
-        }
-
-        int IDrawCommand.WriteParams(DrawQueue queue, object? obj, Span<byte> param)
-        {
-            return WriteParams(queue, (TextCommandArgs)obj!, param);
-        }
-
-        object? IDrawCommand.GetParams(DrawQueue queue, ReadOnlySpan<byte> param)
-        {
-            return GetParams(queue, param);
-        }
-
-        private struct Header
-        {
-            private int _flags;
-            public int Font;
-            public int TextBrush;
-            public int BorderBrush;
-            public Vector3 Position;
-            public float BorderRadius;
-
-            public Anchor Anchor
-            {
-                get => (Anchor)(_flags & 0xF);
-                set => _flags = (_flags & ~0xF) | (int)value;
-            }
-
-            public BorderKind BorderKind
-            {
-                get => (_flags & INSET) switch
-                {
-                    OUTSET => BorderKind.Outset,
-                    INSET => BorderKind.Inset,
-                    _ => BorderKind.Center,
-                };
-                set => _flags = value switch
-                {
-                    BorderKind.Outset => (_flags & ~INSET) | OUTSET,
-                    BorderKind.Inset => (_flags & ~INSET) | INSET,
-                    _ => (_flags & ~INSET) | CENTER,
-                };
-            }
-
-            private const int INSET  = 0x30;
-            private const int CENTER = 0x00;
-            private const int OUTSET = 0x10;
-        }
-    }
-
-    public record struct TextCommandArgs(IFont Font, IBrush TextBrush, Anchor Anchor, Vector3 Position, string Text)
-    {
-        public IBrush? BorderBrush { get; init; } = null;
-        public float BorderRadius { get; init; } = 0;
-
-        public BorderKind BorderKind { get; init; } = BorderKind.Center;
-    }
-}

Dashboard.Drawing/Typesetter.cs

@@ -1,105 +0,0 @@
-using System;
-using System.Diagnostics.CodeAnalysis;
-using System.Drawing;
-using System.IO;
-using System.Reflection.PortableExecutable;
-
-namespace Dashboard.Drawing
-{
-    /// <summary>
-    /// Interface for registered typesetters.
-    /// </summary>
-    public interface ITypeSetter
-    {
-        /// <summary>
-        /// Name of the typesetter.
-        /// </summary>
-        string Name { get; }
-
-        SizeF MeasureString(IFont font, string value);
-
-        IFont LoadFont(Stream stream);
-        IFont LoadFont(string path);
-        // IFont LoadFont(NamedFont font);
-    }
-
-    /// <summary>
-    /// Class for typesetting related functions.
-    /// </summary>
-    public static class Typesetter
-    {
-        /// <summary>
-        /// The typesetting backend for this instance.
-        /// </summary>
-        public static ITypeSetter Backend { get; set; } = new UndefinedTypeSetter();
-
-        public static string Name => Backend.Name;
-
-        public static SizeF MeasureString(IFont font, string value)
-        {
-            return Backend.MeasureString(font, value);
-        }
-
-        public static IFont LoadFont(Stream stream)
-        {
-            return Backend.LoadFont(stream);
-        }
-
-        public static IFont LoadFont(string path)
-        {
-            return Backend.LoadFont(path);
-        }
-
-        public static IFont LoadFont(FileInfo file)
-        {
-            return Backend.LoadFont(file.FullName);
-        }
-
-        // public static IFont LoadFont(NamedFont font)
-        // {
-        //     return Backend.LoadFont(font);
-        // }
-
-        public static IFont LoadFont(string family, float size, FontWeight weight = FontWeight.Normal,
-            FontSlant slant = FontSlant.Normal, FontStretch stretch = FontStretch.Normal)
-        {
-            // return LoadFont(new NamedFont(family, size, weight, slant, stretch));
-            throw new Exception();
-        }
-
-        private class UndefinedTypeSetter : ITypeSetter
-        {
-            public string Name { get; } = "Undefined";
-
-            [DoesNotReturn]
-            private void Except()
-            {
-                throw new InvalidOperationException("No typesetting backend is loaded.");
-            }
-
-            public SizeF MeasureString(IFont font, string value)
-            {
-                Except();
-                return default;
-            }
-
-            public IFont LoadFont(Stream stream)
-            {
-                Except();
-                return default;
-            }
-
-            public IFont LoadFont(string path)
-            {
-                Except();
-                return default;
-            }
-
-            // public IFont LoadFont(NamedFont font)
-            // {
-            //     Except();
-            //     return default;
-            // }
-        }
-    }
-}

Dashboard.ImmediateUI/Dashboard.ImmediateUI.csproj

@@ -1,9 +0,0 @@
-<Project Sdk="Microsoft.NET.Sdk">
-
-    <PropertyGroup>
-        <TargetFramework>net10.0</TargetFramework>
-        <ImplicitUsings>disable</ImplicitUsings>
-        <Nullable>enable</Nullable>
-    </PropertyGroup>
-
-</Project>

Dashboard.ImmediateUI/DimUI.cs

@@ -1,234 +0,0 @@
-using System;
-using System.Diagnostics.CodeAnalysis;
-using System.Drawing;
-using System.Numerics;
-using System.Text;
-using Dashboard.Drawing;
-
-namespace Dashboard.ImmediateUI
-{
-    public class DimUIConfig
-    {
-        public Vector2 Margin = new Vector2(8, 4);
-        public Vector2 Padding = new Vector2(4);
-        public required IFont Font { get; init; }
-
-        public IBrush TextBrush = new SolidBrush(Color.Black);
-        public IBrush DisabledText = new SolidBrush(Color.Gray);
-
-        public float ButtonBorderSize = 2f;
-        public IBrush ButtonBorderBrush = new SolidBrush(Color.SteelBlue);
-        public IBrush ButtonFillBrush = new SolidBrush(Color.SlateGray);
-        public IBrush? ButtonShadowBrush = new SolidBrush(Color.FromArgb(32, Color.LightSteelBlue));
-        public float ButtonShadowOffset = 2f;
-
-        public float InputBorderSize = 2f;
-        public IBrush InputPlaceholderTextBrush = new SolidBrush(Color.SteelBlue);
-        public IBrush InputBorderBrush = new SolidBrush(Color.SlateGray);
-        public IBrush InputFillBrush = new SolidBrush(Color.LightGray);
-        public IBrush? InputShadowBrush = new SolidBrush(Color.FromArgb(32, Color.LightSteelBlue));
-        public float InputShadowOffset = -2f;
-
-        public float MenuBorderSize = 2f;
-        public IBrush MenuBorderBrush = new SolidBrush(Color.SteelBlue);
-        public IBrush MenuFillBrush = new SolidBrush(Color.SlateGray);
-        public IBrush? MenuShadowBrush = new SolidBrush(Color.FromArgb(32, Color.LightSteelBlue));
-        public float MenuShadowOffset = 2f;
-    }
-
-    public class DimUI
-    {
-        private readonly DimUIConfig _config;
-        private Vector2 _pen;
-        private Box2d _bounds;
-        private bool _firstLine = false;
-        private bool _sameLine = false;
-        private float _z = -1;
-        private float _lineHeight;
-        private DrawQueue _queue;
-
-        public DimUI(DimUIConfig config)
-        {
-            _config = config;
-        }
-
-        [MemberNotNull(nameof(_queue))]
-        public void Begin(Box2d bounds, DrawQueue queue)
-        {
-            _bounds = bounds;
-            _pen = _bounds.Min;
-            _queue = queue;
-            _firstLine = true;
-            _lineHeight = 0;
-            _z = -1;
-        }
-
-        public void SameLine()
-        {
-            _sameLine = true;
-        }
-
-        private void Line()
-        {
-            if (!_firstLine && !_sameLine)
-            {
-                _pen = new Vector2(_bounds.Left, _pen.Y + _lineHeight);
-            }
-            else
-            {
-                _firstLine = false;
-                _sameLine = false;
-            }
-
-            _pen.X += _config.Margin.X;
-            _lineHeight = 0;
-        }
-
-        private float Z()
-        {
-            return _z += 0.001f;
-        }
-
-        public void Text(string text)
-        {
-            Line();
-
-            SizeF sz = Typesetter.MeasureString(_config.Font, text);
-            float z = Z();
-            float h = _config.Margin.Y * 2 + sz.Height;
-            _queue.Text(new Vector3(_pen + new Vector2(0, _config.Margin.X), z), _config.TextBrush, text, _config.Font);
-
-            _lineHeight = Math.Max(_lineHeight, h);
-            _pen.X += sz.Width;
-        }
-
-        public void DrawBox(
-            Vector2 position,
-            Vector2 size,
-            IBrush fill,
-            IBrush border, float borderWidth,
-            IBrush? shadow, float offset)
-        {
-            float z = Z();
-
-            if (shadow != null)
-            {
-                if (offset >= 0)
-                {
-                    _queue.Rect(position + new Vector2(offset), position + size + new Vector2(offset + borderWidth), z, shadow);
-                }
-                else
-                {
-                    // Inset shadows are draw a bit weirdly.
-                    _queue.Rect(position, position + new Vector2(offset, size.Y), z, shadow);
-                    _queue.Rect(position + new Vector2(offset, 0), position + new Vector2(size.X - offset, offset), z, shadow);
-                }
-            }
-
-            _queue.Rect(position, position + size, z, fill, border, borderWidth, BorderKind.Outset);
-        }
-
-        public bool Button(string label)
-        {
-            Line();
-
-            SizeF sz = Typesetter.MeasureString(_config.Font, label);
-
-            float h = _config.Margin.Y * 2 + _config.Padding.Y * 2 + sz.Height;
-            DrawBox(
-                _pen + new Vector2(0, _config.Margin.Y),
-                new Vector2(sz.Width + 2 * _config.Padding.X, sz.Height + 2 * _config.Padding.Y),
-                _config.ButtonFillBrush,
-                _config.ButtonBorderBrush,
-                _config.ButtonBorderSize,
-                _config.ButtonShadowBrush,
-                _config.ButtonShadowOffset);
-
-            float z = Z();
-
-            _queue.Text(new Vector3(_pen + new Vector2(_config.Padding.X, _config.Margin.Y + _config.Padding.Y), z),
-                _config.TextBrush, label, _config.Font);
-            _lineHeight = Math.Max(_lineHeight, h);
-
-            _pen.X += sz.Width + 2 * _config.Padding.X;
-            return false;
-        }
-
-        public bool Input(string placeholder, StringBuilder value)
-        {
-            Line();
-
-            IBrush textBrush;
-            string str;
-            if (value.Length == 0)
-            {
-                textBrush = _config.DisabledText;
-                str = placeholder;
-            }
-            else
-            {
-                textBrush = _config.TextBrush;
-                str = value.ToString();
-            }
-
-            SizeF sz = Typesetter.MeasureString(_config.Font, str);
-
-            float h = _config.Margin.Y * 2 + _config.Padding.Y * 2 + sz.Height;
-            DrawBox(
-                _pen + new Vector2(0, _config.Margin.Y),
-                new Vector2(sz.Width + 2 * _config.Padding.X, sz.Height + 2 * _config.Padding.Y),
-                _config.InputFillBrush,
-                _config.InputBorderBrush,
-                _config.InputBorderSize,
-                _config.InputShadowBrush,
-                _config.InputShadowOffset);
-
-            float z = Z();
-
-            _queue.Text(new Vector3(_pen + new Vector2(_config.Padding.X, _config.Margin.Y + _config.Padding.Y), z),
-                textBrush, str, _config.Font);
-            _lineHeight = Math.Max(_lineHeight, h);
-
-            _pen.X += sz.Width + 2 * _config.Padding.X;
-            return false;
-        }
-
-        public void BeginMenu()
-        {
-
-        }
-
-        public bool MenuItem(string name)
-        {
-            return false;
-        }
-
-        public void EndMenu()
-        {
-
-        }
-
-        public int Id(ReadOnlySpan<char> str)
-        {
-            // Uses the FVN-1A algorithm in 32-bit mode.
-            const int PRIME = 0x01000193;
-            const int BASIS = unchecked((int)0x811c9dc5);
-
-            int hash = BASIS;
-            for (int i = 0; i < str.Length; i++)
-            {
-                hash ^= str[i] & 0xFF;
-                hash *= PRIME;
-                hash ^= str[i] >> 8;
-                hash *= PRIME;
-            }
-
-            return hash;
-        }
-
-        public void Finish()
-        {
-            // TODO:
-        }
-    }
-}

Dashboard.OpenGL/Drawing/DirectRendering.cs

@@ -6,22 +6,38 @@ using OpenTK.Graphics.OpenGL;
 
 namespace Dashboard.OpenGL.Drawing
 {
-    public class DirectRendering : IDirectRendering
+    public class DirectRendering : IDirectRendering, ITextureExtension
     {
-        public DeviceContext Context { get; private set; } = null!;
+        public GLDeviceContext Context { get; private set; } = null!;
         public string DriverName { get; } = "Dashboard OpenGL";
         public string DriverVendor { get; } = "Dashboard";
         public Version DriverVersion { get; } = new Version(0, 1);
         IContextBase IContextExtensionBase.Context => Context;
+        DeviceContext IContextExtensionBase<DeviceContext>.Context => Context;
+
+        public bool SupportsArbTextureStorage { get; private set; }
+        public bool SupportsAnisotropy { get; private set; }
 
         private int _vao = -1;
+        private List<GLTexture> _textures = new List<GLTexture>();
+
 
         public void Dispose()
         {
             GC.SuppressFinalize(this);
         }
 
-        public void Require(DeviceContext context) => Context = context;
+        public void Require(DeviceContext context)
+        {
+            Context = (GLDeviceContext)context;
+
+            SupportsArbTextureStorage = Context.DriverVersion >= new Version(4, 2) ||
+                                        Context.IsGLExtensionAvailable("GL_ARB_texture_storage");
+            SupportsAnisotropy = Context.DriverVersion >= new Version() ||
+                                 Context.IsGLExtensionAvailable("GL_EXT_texture_filter_anisotropic") ||
+                                 Context.IsGLExtensionAvailable("GL_ARB_texture_filter_anisotropic");
+        } 
+
         public void Require(IContextBase context) => Require((DeviceContext)context);
 
         public void Begin()
@@ -37,7 +53,7 @@ namespace Dashboard.OpenGL.Drawing
 
         }
 
-        public IShader CreatePipeline<T>(T createInfo) where T : IShaderCreateInfo
+        public IShader CreateShader<T>(T createInfo) where T : IShaderCreateInfo
         {
             int program = createInfo switch
             {
@@ -60,7 +76,7 @@ namespace Dashboard.OpenGL.Drawing
             Vector2 size = Context.FramebufferSize;
             drawCall.SetAll(size, _vao, false);
 
-            if (drawCall.ElementBuffer is null)
+            if (drawCall.VertexSpecification.ElementBuffer is null)
             {
                 GL.DrawArrays(drawCall.Primitive.OpenGL, drawCall.First, drawCall.Count);
             }
@@ -74,5 +90,24 @@ namespace Dashboard.OpenGL.Drawing
 
             }
         }
+
+        public GLTexture CreateTexture(TextureType type)
+        {
+            GLTexture texture = new GLTexture(this, type);
+            lock (_textures) _textures.Add(texture);
+            return texture;
+        }
+
+        internal void TextureDisposed(GLTexture texture)
+        {
+            lock (_textures) _textures.Remove(texture);
+        }
+
+        ITexture ITextureExtension.CreateTexture(TextureType type) => CreateTexture(type);
+
+        ITexture IDirectRendering.CreateTexture(TextureType type)
+        {
+            return CreateTexture(type);
+        }
     }
 }

Dashboard.OpenGL/Drawing/GLShader.cs

@@ -1,11 +1,133 @@
+using System.Collections.Immutable;
+using System.Security.Cryptography.X509Certificates;
 using Dashboard.Drawing;
+using OpenTK.Graphics.OpenGL;
 
 namespace Dashboard.OpenGL.Drawing
 {
-    public class GLShader(GLDeviceContext context, int handle) : IShader
+    public class GLShader : IShader
     {
-        public GLDeviceContext Context { get; } = context;
+        public GLDeviceContext Context { get; }
-        public int Handle { get; } = handle;
+        public int Handle { get; }
+
+        public ImmutableList<ShaderMappingProperty> Attributes { get; }
+
+        public ImmutableList<ShaderMappingProperty> Uniforms { get; }
+
+        public ImmutableList<ShaderMappingProperty> Blocks { get; }
+
+        public ImmutableList<ShaderMappingProperty> Textures { get; }
+
+        public GLShader(GLDeviceContext context, int handle)
+        {
+            Context = context;
+            Handle = handle;
+
+            List<ShaderMappingProperty> list = new List<ShaderMappingProperty>();
+            List<ShaderMappingProperty> list2 = new List<ShaderMappingProperty>();
+
+            int count = GL.GetProgrami(handle, ProgramProperty.ActiveAttributes);
+            for (int i = 0; i < count; i++)
+            {
+                list.Add(GetAttribute(handle, i));
+            }
+            Attributes = list.ToImmutableList();
+
+            list.Clear();
+            count = GL.GetProgrami(handle, ProgramProperty.ActiveUniforms);
+            for (int i = 0; i < count; i++)
+            {
+                var property = GetUniform(handle, i, out bool isSampler);
+                list.Add(property);
+                if (isSampler)
+                    list2.Add(property);
+            }
+            Uniforms = list.ToImmutableList();
+            Textures = list2.ToImmutableList();
+
+            list.Clear();
+            count = GL.GetProgrami(handle, ProgramProperty.ActiveUniformBlocks);
+            for (int i = 0; i < count; i++)
+            {
+                var property = GetBlock(handle, i);
+                list.Add(property);
+            }
+            Blocks = list.ToImmutableList();
+        }
+
+        private static ShaderMappingProperty GetAttribute(int program, int index)
+        {
+            string name = GL.GetActiveAttrib(program, (uint)index, 260, out _, out _, out _);
+            int location = GL.GetAttribLocation(program, name);
+
+            return new ShaderMappingProperty(name, location);
+        }
+
+        private static ShaderMappingProperty GetUniform(int program, int index, out bool isSampler)
+        {
+            string name = GL.GetActiveUniform(program, (uint)index, 260, out _,  out _, out OpenTK.Graphics.OpenGL.UniformType type);
+            int location = GL.GetUniformLocation(program, name);
+
+            isSampler = type switch
+            {
+                OpenTK.Graphics.OpenGL.UniformType.Sampler1D or 
+                OpenTK.Graphics.OpenGL.UniformType.Sampler1DArray or
+                OpenTK.Graphics.OpenGL.UniformType.Sampler1DShadow or
+                OpenTK.Graphics.OpenGL.UniformType.Sampler1DArrayShadow or
+                OpenTK.Graphics.OpenGL.UniformType.IntSampler1D or
+                OpenTK.Graphics.OpenGL.UniformType.IntSampler1DArray or
+                OpenTK.Graphics.OpenGL.UniformType.UnsignedIntSampler1D or
+                OpenTK.Graphics.OpenGL.UniformType.UnsignedIntSampler1DArray or
+                
+                OpenTK.Graphics.OpenGL.UniformType.Sampler2D or
+                OpenTK.Graphics.OpenGL.UniformType.Sampler2DShadow or
+                OpenTK.Graphics.OpenGL.UniformType.Sampler2DRect or
+                OpenTK.Graphics.OpenGL.UniformType.Sampler2DRectShadow or
+                OpenTK.Graphics.OpenGL.UniformType.Sampler2DArray or
+                OpenTK.Graphics.OpenGL.UniformType.Sampler2DArrayShadow or
+                OpenTK.Graphics.OpenGL.UniformType.Sampler2DMultisample or
+                OpenTK.Graphics.OpenGL.UniformType.Sampler2DMultisampleArray or
+                OpenTK.Graphics.OpenGL.UniformType.IntSampler2D or
+                OpenTK.Graphics.OpenGL.UniformType.IntSampler2DRect or
+                OpenTK.Graphics.OpenGL.UniformType.IntSampler2DArray or
+                OpenTK.Graphics.OpenGL.UniformType.IntSampler2DMultisample or
+                OpenTK.Graphics.OpenGL.UniformType.IntSampler2DMultisampleArray or
+                OpenTK.Graphics.OpenGL.UniformType.UnsignedIntSampler2D or
+                OpenTK.Graphics.OpenGL.UniformType.UnsignedIntSampler2DRect or
+                OpenTK.Graphics.OpenGL.UniformType.UnsignedIntSampler2DArray or
+                OpenTK.Graphics.OpenGL.UniformType.UnsignedIntSampler2DMultisample or
+                OpenTK.Graphics.OpenGL.UniformType.UnsignedIntSampler2DMultisampleArray or
+                
+                OpenTK.Graphics.OpenGL.UniformType.Sampler3D or
+                OpenTK.Graphics.OpenGL.UniformType.IntSampler3D or
+                OpenTK.Graphics.OpenGL.UniformType.UnsignedIntSampler3D or
+                OpenTK.Graphics.OpenGL.UniformType.SamplerCube or
+                OpenTK.Graphics.OpenGL.UniformType.SamplerCubeShadow or
+                OpenTK.Graphics.OpenGL.UniformType.SamplerCubeMapArray or
+                OpenTK.Graphics.OpenGL.UniformType.SamplerCubeMapArrayShadow or
+                OpenTK.Graphics.OpenGL.UniformType.IntSamplerCube or
+                OpenTK.Graphics.OpenGL.UniformType.IntSamplerCubeMapArray or
+                OpenTK.Graphics.OpenGL.UniformType.UnsignedIntSamplerCube or
+                OpenTK.Graphics.OpenGL.UniformType.UnsignedIntSamplerCubeMapArray
+                    => true,
+                _   => false,
+            };
+
+            return new ShaderMappingProperty(name, location);
+        }
+
+        private static ShaderMappingProperty GetBlock(int program, int index)
+        {
+            int size = 0;
+
+            unsafe
+            {
+                GL.GetActiveUniformBlockiv(program, (uint)index, UniformBlockPName.UniformBlockDataSize, &size);
+            }
+
+            GL.GetActiveUniformBlockName(program, (uint)index, 1024, out _, out string name);
+            return new ShaderMappingProperty(name, index);
+        }
 
         public void Dispose()
         {

Dashboard.OpenGL/Drawing/GLStateExtensions.cs

@@ -221,16 +221,12 @@ namespace Dashboard.OpenGL.Drawing
             }
         }
 
-        extension(DrawCall call)
+        extension(PipelineState state)
         {
-            public void UsePipeline() => GL.UseProgram((call.ShaderPipeline as GLShader)?.Handle ?? 0);
-
-            // TODO: clamp to viewport size
-
             public void SetViewport(Vector2 size)
             {
-                Vector2 min = Vector2.Max(Vector2.Zero, call.ViewportRegion.Min);
+                Vector2 min = Vector2.Max(Vector2.Zero, state.ViewportRegion.Min);
-                Vector2 max = Vector2.Min(size, call.ViewportRegion.Max);
+                Vector2 max = Vector2.Min(size, state.ViewportRegion.Max);
 
                 GL.Viewport(
                     (int)Math.Round(min.X),
@@ -239,9 +235,10 @@ namespace Dashboard.OpenGL.Drawing
                     (int)Math.Round(max.Y - min.Y));
             }
 
+            // TODO: clamp to viewport size
             public void SetScissor(Vector2 size)
             {
-                if (call.ScissorRegion == new Box2d(Vector2.PositiveInfinity, Vector2.PositiveInfinity))
+                if (state.ScissorRegion == new Box2d(Vector2.PositiveInfinity, Vector2.PositiveInfinity))
                 {
                     GL.Disable(EnableCap.ScissorTest);
                     return;
@@ -249,15 +246,15 @@ namespace Dashboard.OpenGL.Drawing
 
                 GL.Enable(EnableCap.ScissorTest);
                 GL.Scissor(
-                    (int)Math.Round(call.ViewportRegion.Left),
+                    (int)Math.Round(state.ViewportRegion.Left),
-                    (int)Math.Round(size.Y - call.ViewportRegion.Top),
+                    (int)Math.Round(size.Y - state.ViewportRegion.Top),
-                    (int)Math.Round(call.ViewportRegion.Right - call.ViewportRegion.Left),
+                    (int)Math.Round(state.ViewportRegion.Right - state.ViewportRegion.Left),
-                    (int)Math.Round(call.ViewportRegion.Bottom - call.ViewportRegion.Top));
+                    (int)Math.Round(state.ViewportRegion.Bottom - state.ViewportRegion.Top));
             }
 
             public void SetFrontFace()
             {
-                GL.FrontFace(call.FrontFace switch
+                GL.FrontFace(state.FrontFace switch
                 {
                     WindingOrder.Clockwise => FrontFaceDirection.Cw,
                     WindingOrder.Counterclockwise => FrontFaceDirection.Ccw,
@@ -267,7 +264,7 @@ namespace Dashboard.OpenGL.Drawing
 
             public void SetCullMode()
             {
-                if (call.CullMode == FaceCulling.None)
+                if (state.CullMode == FaceCulling.None)
                 {
                     GL.Disable(EnableCap.CullFace);
                     return;
@@ -275,7 +272,7 @@ namespace Dashboard.OpenGL.Drawing
 
                 GL.Enable(EnableCap.CullFace);
 
-                GL.CullFace(call.CullMode switch
+                GL.CullFace(state.CullMode switch
                 {
                     FaceCulling.Both => TriangleFace.FrontAndBack,
                     FaceCulling.Front => TriangleFace.Front,
@@ -284,9 +281,47 @@ namespace Dashboard.OpenGL.Drawing
                 });
             }
 
-            public void SetBlendMode() => call.BlendMode.SetAll();
+            public void SetBlendMode() => state.BlendMode.SetAll();
-            public void SetDepthMode() => call.DepthMode.SetAll();
+            public void SetDepthMode() => state.DepthMode.SetAll();
-            public void SetStencilMode() => call.StencilMode.SetAll();
+            public void SetStencilMode() => state.StencilMode.SetAll();
+
+            public void SetColorMask()
+            {
+                GL.ColorMask(state.RedMask, state.GreenMask, state.BlueMask, state.AlphaMask);
+            }
+
+            public void SetPointSize()
+            {
+                GL.PointSize(state.PointSize);
+            }
+
+            public void SetLineWidth()
+            {
+                GL.LineWidth(state.LineWidth);
+            }
+        }
+
+        extension(DrawCall call)
+        {
+            public void UsePipeline() => GL.UseProgram((call.ShaderPipeline as GLShader)?.Handle ?? 0);
+
+            public void SetViewport(Vector2 size) => call.PipelineState.SetViewport(size);
+
+            public void SetScissor(Vector2 size) => call.PipelineState.SetViewport(size);
+
+            public void SetFrontFace() => call.PipelineState.SetFrontFace();
+
+            public void SetCullMode() => call.PipelineState.SetCullMode();
+
+            public void SetBlendMode() => call.PipelineState.BlendMode.SetAll();
+            public void SetDepthMode() => call.PipelineState.DepthMode.SetAll();
+            public void SetStencilMode() => call.PipelineState.StencilMode.SetAll();
+
+            public void SetColorMask() => call.PipelineState.SetColorMask();
+
+            public void SetPointSize() => call.PipelineState.SetPointSize();
+
+            public void SetLineWidth() => call.PipelineState.SetLineWidth();
 
             public void SetPrimitiveRestart()
             {
@@ -300,21 +335,6 @@ namespace Dashboard.OpenGL.Drawing
                 GL.PrimitiveRestartIndex((uint)call.RestartIndex);
             }
 
-            public void SetColorMask()
-            {
-                GL.ColorMask(call.RedMask, call.GreenMask, call.BlueMask, call.AlphaMask);
-            }
-
-            public void SetPointSize()
-            {
-                GL.PointSize(call.PointSize);
-            }
-
-            public void SetLineWidth()
-            {
-                GL.LineWidth(call.LineWidth);
-            }
-
             public void UseTextures()
             {
                 int i = 0;
@@ -336,15 +356,21 @@ namespace Dashboard.OpenGL.Drawing
             {
                 GL.BindVertexArray(vao);
 
-                if (call.ElementBuffer != null)
+                VertexSpecification spec = call.VertexSpecification;
+
+                if (spec.ElementBuffer != null)
                 {
-                    GL.BindBuffer(BufferTarget.ElementArrayBuffer, (call.ElementBuffer as GLBuffer)?.Handle ?? 0);
+                    GL.BindBuffer(BufferTarget.ElementArrayBuffer, (spec.ElementBuffer as GLBuffer)?.Handle ?? 0);
                 }
 
-                GL.BindBuffer(BufferTarget.ArrayBuffer, (call.VertexBuffer as GLBuffer)?.Handle ?? 0);
 
-                foreach(VertexAttribute attrib in call.Attributes)
+                for (int i = 0; i < spec.Attributes.Count; i++)
                 {
+                    VertexAttribute attrib = spec.Attributes[i];
+                    IBuffer? buffer = spec.VertexBuffers[i];
+
+                    GL.BindBuffer(BufferTarget.ArrayBuffer, (buffer as GLBuffer)?.Handle ?? 0);
+
                     GL.VertexAttribPointer(
                         (uint)attrib.Location,
                         attrib.Components,

Dashboard.OpenGL/Drawing/GLTexture.cs

@@ -1,61 +1,12 @@
 using System.Drawing;
 using Dashboard.Drawing;
-using Dashboard.Pal;
+using Dashboard.OpenGL.Drawing;
 using OpenTK.Graphics.OpenGL;
 using OGL = OpenTK.Graphics.OpenGL;
 
 namespace Dashboard.OpenGL
 {
-    public class GLTextureExtension : ITextureExtension, IContextExtensionBase<GLDeviceContext>
+    public class GLTexture(DirectRendering extension, TextureType type) : ITexture
-    {
-        public string DriverName => "Dashboard OpenGL Texture Extension";
-        public string DriverVendor => "Dashboard";
-        public Version DriverVersion => new Version(0, 1, 0);
-        public GLDeviceContext Context { get; private set; } = null!;
-        public bool SupportsArbTextureStorage { get; private set; }
-        public bool SupportsAnisotropy { get; private set; }
-
-        IContextBase IContextExtensionBase.Context => Context;
-        DeviceContext IContextExtensionBase<DeviceContext>.Context => Context;
-
-        private List<GLTexture> _textures = new List<GLTexture>();
-
-        public void Dispose()
-        {
-        }
-
-
-        public void Require(GLDeviceContext context)
-        {
-            Context = context;
-
-            SupportsArbTextureStorage = Context.DriverVersion >= new Version(4, 2) ||
-                                        Context.IsGLExtensionAvailable("GL_ARB_texture_storage");
-            SupportsAnisotropy = Context.DriverVersion >= new Version() ||
-                                 Context.IsGLExtensionAvailable("GL_EXT_texture_filter_anisotropic") ||
-                                 Context.IsGLExtensionAvailable("GL_ARB_texture_filter_anisotropic");
-        }
-        public void Require(DeviceContext context) => Require((GLDeviceContext)context);
-        public void Require(IContextBase context) => Require((GLDeviceContext)context);
-
-
-
-        public GLTexture CreateTexture(TextureType type)
-        {
-            GLTexture texture = new GLTexture(this, type);
-            lock (_textures) _textures.Add(texture);
-            return texture;
-        }
-
-        internal void TextureDisposed(GLTexture texture)
-        {
-            lock (_textures) _textures.Remove(texture);
-        }
-
-        ITexture ITextureExtension.CreateTexture(TextureType type) => CreateTexture(type);
-    }
-
-    public class GLTexture(GLTextureExtension extension, TextureType type) : ITexture
     {
         public int Handle { get; private set; } = 0;
         public bool IsValid => Handle != 0;
@@ -87,7 +38,7 @@ namespace Dashboard.OpenGL
             _ => throw new NotSupportedException()
         };
 
-        private GLTextureExtension Extension { get; } = extension;
+        private DirectRendering Extension { get; } = extension;
         private GLDeviceContext Context => Extension.Context;
 
         ~GLTexture()

Dashboard.OpenGL/Drawing/ImmediateMode.cs

@@ -1,6 +1,6 @@
 using System.Drawing;
 using System.Numerics;
-using System.Runtime;
+using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
 using Dashboard.Drawing;
 using Dashboard.Pal;
@@ -16,14 +16,15 @@ namespace Dashboard.OpenGL.Drawing
 
         public DeviceContext Context { get; private set; } = null!;
 
-        private int _program;
+        private IDirectRendering _dr;
+        private GLShader _program;
+
         private uint _program_apos;
         private uint _program_atexcoord;
         private uint _program_acolor;
         private int _program_transforms;
         private int _program_image;
-        private int _vao;
+        private GLTexture _white;
-        private int _white;
 
         public void Dispose()
         {
@@ -32,51 +33,46 @@ namespace Dashboard.OpenGL.Drawing
         public void Require(DeviceContext context)
         {
             Context = context;
+            _dr = context.ExtensionRequire<IDirectRendering>();
 
-            _program = GL.CreateProgram();
+            GlslShaderCreateInfo shader;
 
-            int vs = GL.CreateShader(ShaderType.VertexShader);
+            using (StreamReader vertex = new StreamReader(GetType().Assembly
-
-            using (StreamReader reader = new StreamReader(GetType().Assembly
                        .GetManifestResourceStream("Dashboard.OpenGL.Drawing.immediate.vert")!))
-            {
+            using (StreamReader fragment = new StreamReader(GetType().Assembly
-                GL.ShaderSource(vs, reader.ReadToEnd());
-            }
-            GL.CompileShader(vs);
-            GL.AttachShader(_program, vs);
-
-            int fs = GL.CreateShader(ShaderType.FragmentShader);
-
-            using (StreamReader reader = new StreamReader(GetType().Assembly
                        .GetManifestResourceStream("Dashboard.OpenGL.Drawing.immediate.frag")!))
             {
-                GL.ShaderSource(fs, reader.ReadToEnd());
+                shader = new GlslShaderCreateInfo()
+                {
+                    VertexShader = vertex.ReadToEnd(),
+                    FragmentShader = fragment.ReadToEnd(),   
+                };
             }
 
-            GL.CompileShader(fs);
+            _program = (GLShader)_dr.CreateShader(shader);
-            GL.AttachShader(_program, fs);
 
-            GL.LinkProgram(_program);
+            _program_apos = (uint)GL.GetAttribLocation(_program.Handle, "aPos");
-            GL.DeleteShader(vs); GL.DeleteShader(fs);
+            _program_atexcoord = (uint)GL.GetAttribLocation(_program.Handle, "aTexCoords");
+            _program_acolor = (uint)GL.GetAttribLocation(_program.Handle, "aColor");
 
-            _program_apos = (uint)GL.GetAttribLocation(_program, "aPos");
+            _program_transforms = GL.GetUniformLocation(_program.Handle, "transforms");
-            _program_atexcoord = (uint)GL.GetAttribLocation(_program, "aTexCoords");
+            _program_image = GL.GetUniformLocation(_program.Handle, "image");
-            _program_acolor = (uint)GL.GetAttribLocation(_program, "aColor");
 
-            _program_transforms = GL.GetUniformLocation(_program, "transforms");
+            _white = (GLTexture)_dr.CreateTexture(TextureType.Texture2D);
-            _program_image = GL.GetUniformLocation(_program, "image");
+            _white.SetStorage(PixelFormat.Rgb8I, 1, 1, 1, 1);
+            _white.Swizzle = new ColorSwizzle(ColorChannel.One, ColorChannel.One, ColorChannel.One, ColorChannel.One);
+            _white.MinifyFilter = TextureFilter.Nearest;
+            _white.MagnifyFilter = TextureFilter.Nearest;
             
-            GL.GenTexture(out _white);
+            // TODO: implement the API above instead of writing this manually.
-            GL.BindTexture(TextureTarget.Texture2D, _white);
+            GL.BindTexture(TextureTarget.Texture2D, _white.Handle);
-            GL.TexImage2D(TextureTarget.Texture2D, 0, InternalFormat.Rgb, 1, 1, 0, OpenTK.Graphics.OpenGL.PixelFormat.Rgb, PixelType.Byte, IntPtr.Zero);
+            GL.TexSubImage2D(TextureTarget.Texture2D, 0, 0, 0, 1, 1, OpenTK.Graphics.OpenGL.PixelFormat.Rgb, PixelType.Byte, stackalloc byte[] { 0xFF, 0xFF, 0xFF, 0xFF });
             GL.TexParameteri(TextureTarget.Texture2D, TextureParameterName.TextureSwizzleA, (int)All.One);
             GL.TexParameteri(TextureTarget.Texture2D, TextureParameterName.TextureSwizzleR, (int)All.One);
             GL.TexParameteri(TextureTarget.Texture2D, TextureParameterName.TextureSwizzleG, (int)All.One);
             GL.TexParameteri(TextureTarget.Texture2D, TextureParameterName.TextureSwizzleB, (int)All.One);
             GL.TexParameteri(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (int)TextureMinFilter.Nearest);
             GL.TexParameteri(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Nearest);
-
-            GL.GenVertexArray(out _vao);
         }
 
         public void ClearColor(Color color)
@@ -99,31 +95,11 @@ namespace Dashboard.OpenGL.Drawing
                 new ImmediateVertex(new Vector3(a+tangent, depth), Vector2.Zero, color),
             ];
 
-            int buffer = GL.GenBuffer();
+            DrawImmediate(new ImmediateDrawCall(MeshPrimitive.Triangle, vertices.ToArray())
-            GL.BindBuffer(BufferTarget.ArrayBuffer, buffer);
+            {
-            GL.BufferData(BufferTarget.ArrayBuffer, vertices.Length * ImmediateVertex.Size, ref vertices[0], BufferUsage.StreamDraw);
+                Transforms = Context.ExtensionRequire<IDeviceContextBase>().Transforms,
-
+                PipelineState = new PipelineState { CullMode = FaceCulling.None },
-            GL.BindVertexArray(_vao);
+            });
-            GL.VertexAttribPointer(_program_apos, 3, VertexAttribPointerType.Float, false, ImmediateVertex.Size, ImmediateVertex.PosOffset);
-            GL.EnableVertexAttribArray(_program_apos);
-            GL.VertexAttribPointer(_program_atexcoord, 2, VertexAttribPointerType.Float, false, ImmediateVertex.Size, ImmediateVertex.TexCoordsOffset);
-            GL.EnableVertexAttribArray(_program_atexcoord);
-            GL.VertexAttribPointer(_program_acolor, 4, VertexAttribPointerType.Float, false, ImmediateVertex.Size, ImmediateVertex.ColorOffset);
-            GL.EnableVertexAttribArray(_program_acolor);
-
-            Matrix4x4 view = Context.ExtensionRequire<IDeviceContextBase>().Transforms;
-
-            GL.UseProgram(_program);
-
-            GL.ActiveTexture(TextureUnit.Texture0);
-            GL.BindTexture(TextureTarget.Texture2D, _white);
-
-            GL.UniformMatrix4f(_program_transforms, 1, true, ref view);
-            GL.Uniform1i(_program_image, 0);
-
-            GL.DrawArrays(PrimitiveType.Triangles, 0, 6);
-
-            GL.DeleteBuffer(buffer);
         }
 
         public void Rectangle(Box2d rectangle, float depth, Vector4 color)
@@ -138,31 +114,11 @@ namespace Dashboard.OpenGL.Drawing
                 new ImmediateVertex(new Vector3(rectangle.Min.X, rectangle.Max.Y, depth), Vector2.Zero, color),
             ];
 
-            int buffer = GL.GenBuffer();
+            DrawImmediate(new ImmediateDrawCall(MeshPrimitive.Triangle, vertices.ToArray())
-            GL.BindBuffer(BufferTarget.ArrayBuffer, buffer);
+            {
-            GL.BufferData(BufferTarget.ArrayBuffer, vertices.Length * ImmediateVertex.Size, ref vertices[0], BufferUsage.StreamDraw);
+                Transforms = Context.ExtensionRequire<IDeviceContextBase>().Transforms,
-
+                PipelineState = new PipelineState { CullMode = FaceCulling.None },
-            GL.BindVertexArray(_vao);
+            });
-            GL.VertexAttribPointer(_program_apos, 3, VertexAttribPointerType.Float, false, ImmediateVertex.Size, ImmediateVertex.PosOffset);
-            GL.EnableVertexAttribArray(_program_apos);
-            GL.VertexAttribPointer(_program_atexcoord, 2, VertexAttribPointerType.Float, false, ImmediateVertex.Size, ImmediateVertex.TexCoordsOffset);
-            GL.EnableVertexAttribArray(_program_atexcoord);
-            GL.VertexAttribPointer(_program_acolor, 4, VertexAttribPointerType.Float, false, ImmediateVertex.Size, ImmediateVertex.ColorOffset);
-            GL.EnableVertexAttribArray(_program_acolor);
-
-            Matrix4x4 view = Context.ExtensionRequire<IDeviceContextBase>().Transforms;
-
-            GL.UseProgram(_program);
-
-            GL.ActiveTexture(TextureUnit.Texture0);
-            GL.BindTexture(TextureTarget.Texture2D, _white);
-
-            GL.UniformMatrix4f(_program_transforms, 1, true, ref view);
-            GL.Uniform1i(_program_image, 0);
-
-            GL.DrawArrays(PrimitiveType.Triangles, 0, 6);
-
-            GL.DeleteBuffer(buffer);
         }
 
         public void Rectangle(in RectangleDrawInfo rectangle)
@@ -191,30 +147,12 @@ namespace Dashboard.OpenGL.Drawing
                 new ImmediateVertex(new Vector3(rectangle.Min.X, rectangle.Max.Y, depth), new Vector2(uv.Min.X, uv.Max.Y), Vector4.One),
             ];
 
-            int buffer = GL.GenBuffer();
+            DrawImmediate(new ImmediateDrawCall(MeshPrimitive.Triangle, vertices.ToArray())
-            GL.BindBuffer(BufferTarget.ArrayBuffer, buffer);
+            {
-            GL.BufferData(BufferTarget.ArrayBuffer, vertices.Length * ImmediateVertex.Size, ref vertices[0], BufferUsage.StreamDraw);
+                Transforms = Context.ExtensionRequire<IDeviceContextBase>().Transforms,
-
+                PipelineState = new PipelineState { CullMode = FaceCulling.None },
-            GL.BindVertexArray(_vao);
+                Texture = texture,
-            GL.VertexAttribPointer(_program_apos, 3, VertexAttribPointerType.Float, false, ImmediateVertex.Size, ImmediateVertex.PosOffset);
+            });
-            GL.EnableVertexAttribArray(_program_apos);
-            GL.VertexAttribPointer(_program_atexcoord, 2, VertexAttribPointerType.Float, false, ImmediateVertex.Size, ImmediateVertex.TexCoordsOffset);
-            GL.EnableVertexAttribArray(_program_atexcoord);
-            GL.VertexAttribPointer(_program_acolor, 4, VertexAttribPointerType.Float, false, ImmediateVertex.Size, ImmediateVertex.ColorOffset);
-            GL.EnableVertexAttribArray(_program_acolor);
-            Matrix4x4 view = Context.ExtensionRequire<IDeviceContextBase>().Transforms;
-
-            GL.UseProgram(_program);
-
-            GL.ActiveTexture(TextureUnit.Texture0);
-            GL.BindTexture(TextureTarget.Texture2D, ((GLTexture)texture).Handle);
-
-            GL.UniformMatrix4f(_program_transforms, 1, true, ref view);
-            GL.Uniform1i(_program_image, 0);
-
-            GL.DrawArrays(PrimitiveType.Triangles, 0, 6);
-
-            GL.DeleteBuffer(buffer);
         }
 
         IContextBase IContextExtensionBase.Context => Context;
@@ -224,17 +162,53 @@ namespace Dashboard.OpenGL.Drawing
             Require((DeviceContext)context);
         }
 
-        [StructLayout(LayoutKind.Explicit, Pack = sizeof(float) * 4, Size = Size)]
+        public void DrawImmediate(ImmediateDrawCall call)
-        private struct ImmediateVertex(Vector3 position, Vector2 texCoords, Vector4 color)
         {
-            [FieldOffset(PosOffset)]       public Vector3 Position = position;
+            // This is a terrible implementation as it stands but we can improve this immensely later on.
-            [FieldOffset(TexCoordsOffset)] public Vector2 TexCoords = texCoords;
+            IDirectRendering dr = Context.ExtensionRequire<IDirectRendering>();
-            [FieldOffset(ColorOffset)]     public Vector4 Color = color;
 
-            public const int Size = 16 * sizeof(float);
+            int size = call.Vertices.Length * ImmediateVertex.Size;
-            public const int PosOffset = 0 * sizeof(float);
+            
-            public const int TexCoordsOffset = 4 * sizeof(float);
+            IBuffer buffer = dr.CreateBuffer(BufferAccessPattern.Stream, size);
-            public const int ColorOffset = 8 * sizeof(float);
+            buffer.Write(0, call.Vertices.Span);
+
+            VertexSpecification spec = CreateVertexSpec(buffer);
+            ReadOnlyMemory<byte> uniforms = MemoryMarshal.AsBytes(stackalloc Matrix4x4[] {call.Transforms}).ToArray();
+            
+            DrawCall drawCall = new DrawCall(call.Primitive, spec, 0, call.Vertices.Length)
+            {
+                ShaderPipeline = _program,
+                PipelineState = call.PipelineState,
+                UniformData = uniforms,
+                Uniforms = [
+                    new UniformDescriptor() { 
+                        Location = _program_transforms,
+                        Type =  Dashboard.Drawing.UniformType.Mat4,
+                        Offset = 0,
+                        Size = Unsafe.SizeOf<Matrix4x4>(),
+                    }
+                ],
+                Textures = [call.Texture ?? _white]
+            };
+
+            dr.Draw(drawCall);
+            buffer.Dispose();
+        }
+
+        private VertexSpecification CreateVertexSpec(IBuffer buffer)
+        {
+            return new VertexSpecification(
+                [
+                    new VertexAttribute((int)_program_apos, 3, VertexAttributeType.Float, ImmediateVertex.PosOffset, ImmediateVertex.Size),
+                    new VertexAttribute((int)_program_atexcoord, 2, VertexAttributeType.Float, ImmediateVertex.TexCoordsOffset, ImmediateVertex.Size),
+                    new VertexAttribute((int)_program_acolor, 4, VertexAttributeType.Float, ImmediateVertex.ColorOffset, ImmediateVertex.Size)
+                ],
+                [
+                    buffer,
+                    buffer,
+                    buffer
+                ]
+            );
         }
     }
 }

Dashboard.OpenGL/Drawing/immediate.vert

@@ -10,7 +10,7 @@ out vec2 vTexCoords;
 out vec4 vColor;
 
 void main() {
-    vec4 position = vec4(aPos, 1.0) * transforms;
+    vec4 position = transforms * vec4(aPos, 1.0);
     gl_Position = position;
 
     vTexCoords = aTexCoords;

Dashboard.OpenGL/GLDeviceContext.cs

@@ -72,7 +72,6 @@ namespace Dashboard.OpenGL
             Extensions = extensions.ToImmutableHashSet();
 
             ExtensionPreload<DeviceContextBase>();
-            ExtensionPreload<GLTextureExtension>();
             ExtensionPreload<ImmediateMode>();
             ExtensionPreload<DirectRendering>();
         }

Dashboard.sln

@@ -9,7 +9,6 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "tests", "tests", "{9D6CCC74
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Dashboard.TestApplication", "tests\Dashboard.TestApplication\Dashboard.TestApplication.csproj", "{7C90B90B-DF31-439B-9080-CD805383B014}"
 	ProjectSection(ProjectDependencies) = postProject
-		{1BDFEF50-C907-42C8-B63B-E4F6F585CFB5} = {1BDFEF50-C907-42C8-B63B-E4F6F585CFB5}
 		{49A62F46-AC1C-4240-8615-020D4FBBF964} = {49A62F46-AC1C-4240-8615-020D4FBBF964}
 	EndProjectSection
 EndProject
@@ -17,15 +16,15 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Dashboard.Common", "Dashboa
 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}"
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Dashboard.OpenTK", "Frameworks\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
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Dashboard.StbImage", "Dashboard.StbImage\Dashboard.StbImage.csproj", "{85BCEB9E-DEC2-4A53-B2DA-6BFC6F3EE4E7}"
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Dashboard.StbImage", "Frameworks\Dashboard.StbImage\Dashboard.StbImage.csproj", "{85BCEB9E-DEC2-4A53-B2DA-6BFC6F3EE4E7}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Dashboard.BlurgText.OpenGL", "Dashboard.BlurgText.OpenGL\Dashboard.BlurgText.OpenGL.csproj", "{14616F42-663B-4673-8561-5637FAD1B22F}"
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Dashboard.BlurgText.OpenGL", "Frameworks\Dashboard.BlurgText.OpenGL\Dashboard.BlurgText.OpenGL.csproj", "{14616F42-663B-4673-8561-5637FAD1B22F}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Dashboard.BlurgText", "Dashboard.BlurgText\Dashboard.BlurgText.csproj", "{8C68EFB6-B477-48EC-9AAA-31E89883482B}"
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Dashboard.BlurgText", "Frameworks\Dashboard.BlurgText\Dashboard.BlurgText.csproj", "{8C68EFB6-B477-48EC-9AAA-31E89883482B}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution

Dashboard/Resources/active.svg

@@ -0,0 +1,144 @@
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+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
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+   height="32pt"
+   viewBox="0 0 11.288889 11.288889"
+   version="1.1"
+   id="svg1"
+   inkscape:version="1.4.4 (dcaf3e7d9e, 2026-05-05)"
+   sodipodi:docname="active.svg"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:svg="http://www.w3.org/2000/svg">
+  <sodipodi:namedview
+     id="namedview1"
+     pagecolor="#ffffff"
+     bordercolor="#000000"
+     borderopacity="0.25"
+     inkscape:showpageshadow="2"
+     inkscape:pageopacity="0.0"
+     inkscape:pagecheckerboard="0"
+     inkscape:deskcolor="#d1d1d1"
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+</svg>

Dashboard/Resources/bg.svg

@@ -0,0 +1,142 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   width="32pt"
+   height="32pt"
+   viewBox="0 0 11.288889 11.288889"
+   version="1.1"
+   id="svg1"
+   inkscape:version="1.4.4 (dcaf3e7d9e, 2026-05-05)"
+   sodipodi:docname="bg.svg"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:svg="http://www.w3.org/2000/svg">
+  <sodipodi:namedview
+     id="namedview1"
+     pagecolor="#ffffff"
+     bordercolor="#000000"
+     borderopacity="0.25"
+     inkscape:showpageshadow="2"
+     inkscape:pageopacity="0.0"
+     inkscape:pagecheckerboard="0"
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+<!-- Created with Inkscape (http://www.inkscape.org/) -->
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Dashboard/Resources/template.svg

@@ -0,0 +1,134 @@
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+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
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+   xmlns:svg="http://www.w3.org/2000/svg">
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Dashboard/Resources/uncheck.svg

@@ -0,0 +1,144 @@
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+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
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+   height="32pt"
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+   inkscape:version="1.4.4 (dcaf3e7d9e, 2026-05-05)"
+   sodipodi:docname="uncheck.svg"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:svg="http://www.w3.org/2000/svg">
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+     id="namedview1"
+     pagecolor="#ffffff"
+     bordercolor="#000000"
+     borderopacity="0.25"
+     inkscape:showpageshadow="2"
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+     inkscape:groupmode="layer"
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Frameworks/Dashboard.BlurgText.OpenGL/BlurgGLExtension.cs

@@ -4,6 +4,7 @@ using System.Runtime.InteropServices;
 using BlurgText;
 using Dashboard.Drawing;
 using Dashboard.OpenGL;
+using Dashboard.Pal;
 using OpenTK.Graphics.OpenGL;
 using OPENGL = OpenTK.Graphics.OpenGL;
 
@@ -32,6 +33,11 @@ namespace Dashboard.BlurgText.OpenGL
         public BlurgGLExtension()
         {
             Blurg = new Blurg(AllocateTexture, UpdateTexture);
+        }
+
+        public override void Require(DeviceContext context)
+        {
+            base.Require(context);
             Application.ExtensionRequire<BlurgTextExtension>().Loader.Configure(Blurg);
         }
 

Frameworks/Dashboard.BlurgText.OpenGL/Dashboard.BlurgText.OpenGL.csproj

@@ -8,8 +8,8 @@
     </PropertyGroup>
 
     <ItemGroup>
-        <ProjectReference Include="../Dashboard.BlurgText/Dashboard.BlurgText.csproj"/>
+        <ProjectReference Include="..\Dashboard.BlurgText/Dashboard.BlurgText.csproj"/>
-        <ProjectReference Include="..\Dashboard.OpenGL\Dashboard.OpenGL.csproj" />
+        <ProjectReference Include="..\..\Dashboard.OpenGL\Dashboard.OpenGL.csproj" />
     </ItemGroup>
 
     <ItemGroup>

Frameworks/Dashboard.BlurgText/BlurgTextExtension.cs

@@ -190,7 +190,7 @@ namespace Dashboard.BlurgText
 
         IContextBase IContextExtensionBase.Context => Context;
 
-        public void Require(DeviceContext context)
+        public virtual void Require(DeviceContext context)
         {
             Context = context;
         }

Frameworks/Dashboard.BlurgText/Dashboard.BlurgText.csproj

@@ -9,7 +9,7 @@
 
     <ItemGroup>
       <PackageReference Include="BlurgText" Version="0.1.0" />
-      <ProjectReference Include="..\Dashboard.Common\Dashboard.Common.csproj" />
+      <ProjectReference Include="..\..\Dashboard.Common\Dashboard.Common.csproj" />
     </ItemGroup>
 
 </Project>

Frameworks/Dashboard.OpenTK/Dashboard.OpenTK.csproj

@@ -11,8 +11,8 @@
     </ItemGroup>
 
     <ItemGroup>
-      <ProjectReference Include="..\Dashboard.OpenGL\Dashboard.OpenGL.csproj" />
+      <ProjectReference Include="..\..\Dashboard.OpenGL\Dashboard.OpenGL.csproj" />
-      <ProjectReference Include="..\Dashboard\Dashboard.csproj" />
+      <ProjectReference Include="..\..\Dashboard\Dashboard.csproj" />
     </ItemGroup>
 
 </Project>

Frameworks/Dashboard.StbImage/Dashboard.StbImage.csproj

@@ -8,7 +8,7 @@
     </PropertyGroup>
 
     <ItemGroup>
-      <ProjectReference Include="..\Dashboard.Common\Dashboard.Common.csproj" />
+      <ProjectReference Include="..\..\Dashboard.Common\Dashboard.Common.csproj" />
     </ItemGroup>
 
     <ItemGroup>

tests/Dashboard.TestApplication/Dashboard.TestApplication.csproj

@@ -8,9 +8,9 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <ProjectReference Include="..\..\Dashboard.BlurgText.OpenGL\Dashboard.BlurgText.OpenGL.csproj" />
+    <ProjectReference Include="..\..\Frameworks\Dashboard.BlurgText.OpenGL\Dashboard.BlurgText.OpenGL.csproj" />
-    <ProjectReference Include="..\..\Dashboard.BlurgText\Dashboard.BlurgText.csproj" />
+    <ProjectReference Include="..\..\Frameworks\Dashboard.BlurgText\Dashboard.BlurgText.csproj" />
-    <ProjectReference Include="..\..\Dashboard.OpenTK\Dashboard.OpenTK.csproj" />
+    <ProjectReference Include="..\..\Frameworks\Dashboard.OpenTK\Dashboard.OpenTK.csproj" />
-    <ProjectReference Include="..\..\Dashboard.StbImage\Dashboard.StbImage.csproj" />
+    <ProjectReference Include="..\..\Frameworks\Dashboard.StbImage\Dashboard.StbImage.csproj" />
   </ItemGroup>
 </Project>

tests/Dashboard.TestApplication/Program.cs

@@ -74,61 +74,40 @@ TK.Window.SetMode(window.WindowHandle, WindowMode.Normal);
 window.DeviceContext.ExtensionRequire<IDeviceContextBase>().ScaleOverride = 1.5f;
 
 IDirectRendering direct = window.DeviceContext.ExtensionRequire<IDirectRendering>();
-IBuffer vertex = direct.CreateBuffer(BufferAccessPattern.Static, 1024);
+IImmediateMode imm = window.DeviceContext.ExtensionRequire<IImmediateMode>();
-float[] vertices = new float[]
+ImmediateVertex[] vertices = new ImmediateVertex[]
-{   //  x,     y,     z,    _,    r, g, b, a
+{                                                   //  x,     y,     z,                                                               r, g, b, a
-        -0.5f, -0.5f, 0.0f, 0.0f, 1, 0, 0, 1,
+        new ImmediateVertex(new System.Numerics.Vector3(-0.5f, -0.5f, 0.0f), System.Numerics.Vector2.Zero, new System.Numerics.Vector4(1, 0, 0, 1)),
-        +0.5f, -0.5f, 0.0f, 0.0f, 0, 1, 0, 1,
+        new ImmediateVertex(new System.Numerics.Vector3(+0.5f, -0.5f, 0.0f), System.Numerics.Vector2.Zero, new System.Numerics.Vector4(0, 1, 0, 1)),
-        +0.0f, +0.5f, 0.0f, 0.0f, 0, 0, 1, 1,
+        new ImmediateVertex(new System.Numerics.Vector3(+0.0f, +0.5f, 0.0f), System.Numerics.Vector2.Zero, new System.Numerics.Vector4(0, 0, 1, 1)),
 };
-vertex.Write(0, vertices);
 
-IShader shader = direct.CreatePipeline(new GlslShaderCreateInfo()
-{
-    VertexShader =
-        """
-        #version 410
-        layout (location = 0) in vec3 apos;
-        layout (location = 1) in vec4 acolor;
-
-        out vec4 vcolor;
-
-        void main()
-        {
-            gl_Position = vec4(apos, 1);
-            vcolor = acolor;
-        }
-        """,
-    FragmentShader =
-        """
-         #version 410
-         in  vec4 vcolor;
-         out vec4 fcolor;
-
-         void main()
-         {
-            fcolor = vcolor;    
-         }
-
-         """,
-});
-
-DrawCall call = new DrawCall(MeshPrimitive.Triangle, vertex, 0, 3)
-{
-    ShaderPipeline = shader,
-    Attributes =
-    [
-        new VertexAttribute(0, 3, VertexAttributeType.Float, 0, 8 * sizeof(float)),
-        new VertexAttribute(1, 4, VertexAttributeType.Float, 4 * sizeof(float), 8 * sizeof(float))
-    ],
-};
 
 window.EventRaised += (sender, eventArgs) =>
 {
     if (eventArgs is not PaintEventArgs paint)
         return;
 
-    paint.DeviceContext.ExtensionRequire<IDirectRendering>().Draw(call);
+    // window.DeviceContext.Begin();
+    var dcb = window.DeviceContext.ExtensionRequire<IDeviceContextBase>();
+    dcb.ResetTransforms();
+    dcb.ClearDepth();
+
+    imm.Rectangle(
+        new Dashboard.Box2d(
+            new System.Numerics.Vector2(30, 30),
+            new System.Numerics.Vector2(140, 110)),
+        0.2f,
+        new System.Numerics.Vector4(1, 1, 0, 1));
+    imm.Line(
+        new System.Numerics.Vector2(180, 40),
+        new System.Numerics.Vector2(290, 180),
+        6,
+        0.2f,
+        new System.Numerics.Vector4(0, 1, 1, 1));
+    imm.DrawImmediate(new ImmediateDrawCall(MeshPrimitive.Triangle, vertices.AsMemory()));
+
+    // window.DeviceContext.End();
 };
 
 app.Run(true, source.Token);