Added RefCounting, added ConstantBuffers

Defines.txt

@@ -0,0 +1,11 @@
+GE_ERROR_SHADER_MATRIX_MISMATCH:
+	If this macro is set, the engine checks at runtime whether or not the dimensions of the given value match the dimensions of the shader variable. (Applies to: BufferVariable.SetData)
+
+GE_WARN_SHADER_MATRIX_MISMATCH:
+	Same as GE_ERROR_SHADER_MATRIX_MISMATCH but instead of crashing a warning will written to the console.
+	
+GE_ERROR_SHADER_VAR_TYPE_MISMATCH:
+	If this macro is set, upon calling BufferVariable.SetData the type of the provided value will be checked against the actual value type. If they do not match, the application will crash.
+
+GE_WARN_SHADER_VAR_TYPE_MISMATCH:
+	Same as GE_ERROR_SHADER_VAR_TYPE_MISMATCH but instead of crashing a warning will be written to the console.

GlitchyEngine/BeefProj.toml

@@ -3,6 +3,7 @@ Dependencies = {GlitchLog = "*", corlib = "*", DirectX = "*", ImGui = "*", ImGui
 
 [Project]
 Name = "GlitchyEngine"
+ProcessorMacros = ["GE_ERROR_SHADER_MATRIX_MISMATCH", "GE_ERROR_SHADER_VAR_TYPE_MISMATCH"]
 
 [Configs.Debug.Win32]
 PreprocessorMacros = ["DEBUG", "GE_WINDOWS"]

GlitchyEngine/src/Application.bf

@@ -1,8 +1,6 @@
 using System;
 using GlitchyEngine.Events;
 using GlitchyEngine.ImGui;
-using GlitchyEngine.Math;
-using System.Diagnostics;
 using GlitchyEngine.Renderer;
 
 namespace GlitchyEngine

GlitchyEngine/src/Platform/DX11/Renderer/Dx11ConstantBuffer.bf

@@ -0,0 +1,77 @@
+using DirectX.Common;
+using DirectX.D3D11Shader;
+using System;
+
+using internal GlitchyEngine.Renderer;
+
+namespace GlitchyEngine.Renderer
+{
+	extension BufferVariable
+	{
+		internal this(ConstantBuffer constantBuffer, ID3D11ShaderReflectionVariable* variableReflection)
+		{
+			_constantBuffer = constantBuffer..AddRef();
+
+			HResult result = variableReflection.GetDescription(let variableDescription);
+			Log.EngineLogger.Assert(result.Succeeded, scope $"Failed to get variable description. Error({(int)result}): {result}");
+
+			_name = new String(variableDescription.Name);
+
+			_offset = variableDescription.StartOffset;
+			_sizeInBytes = variableDescription.Size;
+			_isUsed = variableDescription.uFlags.HasFlag(.Used);
+
+			let variableType = variableReflection.GetVariableType();
+			result = variableType.GetDescription(let shaderTypeDescription);
+			Log.EngineLogger.Assert(result.Succeeded, scope $"Failed to get variable type description. Error({(int)result}): {result}");
+
+			switch(shaderTypeDescription.Type)
+			{
+			case .Float:
+				_type = .Float;
+			default:
+				Log.EngineLogger.Assert(false, scope $"Unhandled shader variable type: {shaderTypeDescription.Type}");
+			}
+
+			_columns = shaderTypeDescription.Columns;
+			_rows = shaderTypeDescription.Rows;
+
+			SetRawData(variableDescription.DefaultValue);
+		}
+	}
+
+	extension ConstantBuffer
+	{
+		internal this(GraphicsContext context, ID3D11ShaderReflectionConstantBuffer* bufferReflection) : base(context)
+		{
+			Reflect(bufferReflection);
+
+			ConstructBuffer();
+			
+			Update();
+		}
+
+		private void Reflect(ID3D11ShaderReflectionConstantBuffer* bufferReflection)
+		{
+			HResult result = bufferReflection.GetDescription(let bufferDescription);
+			Log.EngineLogger.Assert(result.Succeeded, scope $"Failed to get buffer description. Error({(int)result}): {result}");
+
+			Log.EngineLogger.AssertDebug(bufferDescription.Type == .D3D_CT_CBUFFER, "The buffer is not of type \"D3D_CT_CBUFFER\"");
+
+			_name = new String(bufferDescription.Name);
+
+			rawData = new uint8[bufferDescription.Size];
+
+			// Flags seem to be irrelevant for us here
+			
+			for(uint32 v = 0; v < bufferDescription.Variables; v++)
+			{
+				ID3D11ShaderReflectionVariable* variableReflection = bufferReflection.GetVariableByIndex(v);
+
+				BufferVariable variable = new BufferVariable(this, variableReflection);
+
+				AddVariable(variable);
+			}
+		}
+	}
+}

GlitchyEngine/src/Platform/DX11/Renderer/Dx11Effect.bf

@@ -0,0 +1,25 @@
+using System;
+using DirectX;
+using DirectX.D3D11;
+
+using internal GlitchyEngine.Renderer;
+
+namespace GlitchyEngine.Renderer
+{
+	extension Effect
+	{
+		protected override void Compile(String vsPath, String vsEntry, String psPath, String psEntry)
+		{
+			// Todo: macros
+			VertexShader = new VertexShader(_context, vsPath, vsEntry);
+			PixelShader = new PixelShader(_context, psPath, psEntry);
+
+			Reflect();
+		}
+
+		private void Reflect()
+		{
+
+		}
+	}
+}

GlitchyEngine/src/Platform/DX11/Renderer/Dx11PixelShader.bf

@@ -12,17 +12,15 @@ namespace GlitchyEngine.Renderer
 
 		public override void CompileFromSource(String code, String entryPoint, ShaderDefine[] macros = null)
 		{
-			Shader.PlattformCompileShaderFromSource(code, macros, entryPoint, "ps_5_0", DefaultCompileFlags, let shaderBlob);
+			Shader.PlattformCompileShaderFromSource(code, macros, entryPoint, "ps_5_0", DefaultCompileFlags, out nativeCode);
 
-			var result = _context.nativeDevice.CreatePixelShader(shaderBlob.GetBufferPointer(), shaderBlob.GetBufferSize(), null, &nativeShader);
+			var result = _context.nativeDevice.CreatePixelShader(nativeCode.GetBufferPointer(), nativeCode.GetBufferSize(), null, &nativeShader);
 			if(result.Failed)
 			{
 				Log.EngineLogger.Error($"Failed to create pixel shader: Message ({(int)result}): {result}");
 			}
 
-			Reflect(shaderBlob);
-			
-			shaderBlob?.Release();
+			Reflect(nativeCode);
 		}
 	}
 }

GlitchyEngine/src/Platform/DX11/Renderer/Dx11Shader.bf

@@ -11,6 +11,11 @@ namespace GlitchyEngine.Renderer
 {
 	extension Shader
 	{
+		/**
+		 * Internal compiled code of the shader.
+		 */
+		internal ID3DBlob* nativeCode ~ _?.Release();
+
 		protected const ShaderCompileFlags DefaultCompileFlags =
 #if DEBUG
 			.Debug;
@@ -62,6 +67,18 @@ namespace GlitchyEngine.Renderer
 				
 				bufferReflection.GetDescription(let bufferDesc);
 
+				// ConstantBuffer
+				if(bufferDesc.Type == .D3D11_CT_CBUFFER)
+				{
+					let buffer = new ConstantBuffer(_context, bufferReflection);
+
+					_buffers.Add(bindDesc.BindPoint, buffer.Name, buffer);
+
+					buffer.ReleaseRef();
+				}
+				/*
+				bufferReflection.GetDescription(let bufferDesc);
+
 				// ConstantBuffer
 				if(bufferDesc.Type == .D3D11_CT_CBUFFER)
 				{
@@ -69,7 +86,8 @@ namespace GlitchyEngine.Renderer
 
 					let buffer = new Buffer(_context, cBufferDesc);
 
-					_buffers.Add(bindDesc.BindPoint, StringView(bufferDesc.Name), buffer, true);
+					_buffers.Add(bindDesc.BindPoint, StringView(bufferDesc.Name), buffer);//, true
+					buffer.ReleaseRef();
 
 					// Buffer for default values
 					uint8* rawData = new:ScopedAlloc! uint8[bufferDesc.Size]*;
@@ -87,6 +105,7 @@ namespace GlitchyEngine.Renderer
 
 					buffer.SetData(Span<uint8>(rawData, bufferDesc.Size));
 				}
+				*/
 			}
 			reflection.Release();
 		}

GlitchyEngine/src/Platform/DX11/Renderer/Dx11VertexShader.bf

@@ -12,8 +12,6 @@ namespace GlitchyEngine.Renderer
 	{
 		internal ID3D11VertexShader* nativeShader ~ _?.Release();
 
-		internal ID3DBlob* nativeCode ~ _?.Release();
-
 		public override void CompileFromSource(String code, String entryPoint, ShaderDefine[] macros = null)
 		{
 			Shader.PlattformCompileShaderFromSource(code, macros, entryPoint, "vs_5_0", DefaultCompileFlags, out nativeCode);

GlitchyEngine/src/Renderer/Buffer.bf

@@ -120,7 +120,7 @@ namespace GlitchyEngine.Renderer
 	}
 
 	/// Represents a buffer containing binary data on the GPU.
-	public class Buffer
+	public class Buffer : RefCounted
 	{
 		internal GraphicsContext _context;
 

GlitchyEngine/src/Renderer/BufferCollection.bf

@@ -5,7 +5,7 @@ namespace GlitchyEngine.Renderer
 {
 	public class BufferCollection
 	{
-		typealias BufferEntry = (String Name, int Index, Buffer Buffer, bool OwnsBuffer);
+		typealias BufferEntry = (String Name, int Index, Buffer Buffer);//, bool OwnsBuffer
 
 		List<BufferEntry> _buffers ~ DeleteBufferEntries!(_);
 
@@ -33,8 +33,7 @@ namespace GlitchyEngine.Renderer
 			for(let entry in entries)
 			{
 				delete entry.Name;
-				if(entry.OwnsBuffer)
-					delete entry.Buffer;
+				entry.Buffer.ReleaseRef();
 			}
 
 			delete entries;
@@ -49,7 +48,7 @@ namespace GlitchyEngine.Renderer
 		 * @param buffer The new buffer.
 		 * @param If set to true, the Collection will take ownership of the buffer; if false, the ownership will remain with the caller.
 		 */
-		public void ReplaceBuffer(int idx, Buffer buffer, bool passOwnership = false)
+		public void ReplaceBuffer(int idx, Buffer buffer)//, bool passOwnership = false
 		{
 			if(_idxToBuf.TryGetValue(idx, let oldBuffer))
 			{
@@ -59,11 +58,13 @@ namespace GlitchyEngine.Renderer
 
 				Log.EngineLogger.Assert(idx == bufferDesc.Index);
 
-				if(bufferDesc.OwnsBuffer)
-					delete bufferDesc.Buffer;
+				oldBuffer.ReleaseRef();
+				//if(bufferDesc.OwnsBuffer)
+				//	delete bufferDesc.Buffer;
 
+				buffer.AddRef();
 				bufferDesc.Buffer = buffer;
-				bufferDesc.OwnsBuffer = passOwnership;
+				//bufferDesc.OwnsBuffer = passOwnership;
 
 				_strToBuf[bufferDesc.Name] = buffer;
 				_idxToBuf[bufferDesc.Index] = buffer;
@@ -80,7 +81,7 @@ namespace GlitchyEngine.Renderer
 		 * @param buffer The new buffer.
 		 * @param If set to true, the Collection will take ownership of the buffer; if false, the ownership will remain with the caller.
 		 */
-		public void ReplaceBuffer(StringView name, Buffer buffer, bool passOwnership = false)
+		public void ReplaceBuffer(StringView name, Buffer buffer) // , bool passOwnership = false
 		{
 			if(_strToBuf.TryGetValue(name, let oldBuffer))
 			{
@@ -90,11 +91,13 @@ namespace GlitchyEngine.Renderer
 
 				Log.EngineLogger.Assert(name == bufferDesc.Name);
 
-				if(bufferDesc.OwnsBuffer)
-					delete bufferDesc.Buffer;
-
+				oldBuffer.ReleaseRef();
+				//if(bufferDesc.OwnsBuffer)
+				//	delete bufferDesc.Buffer;
+				
+				buffer.AddRef();
 				bufferDesc.Buffer = buffer;
-				bufferDesc.OwnsBuffer = passOwnership;
+				//bufferDesc.OwnsBuffer = passOwnership;
 
 				_strToBuf[bufferDesc.Name] = buffer;
 				_idxToBuf[bufferDesc.Index] = buffer;
@@ -111,7 +114,7 @@ namespace GlitchyEngine.Renderer
 		 * @param buffer The new buffer.
 		 * @param If set to true, the Collection will take ownership of the buffer; if false, the ownership will remain with the caller.
 		 */
-		public bool TryReplaceBuffer(StringView name, Buffer buffer, bool passOwnership = false)
+		public bool TryReplaceBuffer(StringView name, Buffer buffer) // , bool passOwnership = false
 		{
 			if(_strToBuf.TryGetValue(name, let oldBuffer))
 			{
@@ -121,11 +124,13 @@ namespace GlitchyEngine.Renderer
 
 				Log.EngineLogger.Assert(name == bufferDesc.Name);
 
-				if(bufferDesc.OwnsBuffer)
-					delete bufferDesc.Buffer;
-
+				//if(bufferDesc.OwnsBuffer)
+				//	delete bufferDesc.Buffer;
+				oldBuffer.ReleaseRef();
+				
+				buffer.AddRef();
 				bufferDesc.Buffer = buffer;
-				bufferDesc.OwnsBuffer = passOwnership;
+				//bufferDesc.OwnsBuffer = passOwnership;
 
 				_strToBuf[bufferDesc.Name] = buffer;
 				_idxToBuf[bufferDesc.Index] = buffer;
@@ -138,11 +143,12 @@ namespace GlitchyEngine.Renderer
 			}
 		}
 
-		public void Add(int index, StringView name, Buffer buffer, bool passOwnership = false)
+		public void Add(int index, StringView name, Buffer buffer) //, bool passOwnership = false
 		{
 			String nameStr = new String(name);
-			BufferEntry entry = (nameStr, index, buffer, passOwnership);
+			BufferEntry entry = (nameStr, index, buffer); //, passOwnership
 
+			buffer.AddRef();
 			_buffers.Add(entry);
 			_strToBuf.Add(entry.Name, entry.Buffer);
 			_idxToBuf.Add(entry.Index, entry.Buffer);

GlitchyEngine/src/Renderer/ConstantBuffer.bf

@@ -0,0 +1,212 @@
+using DirectX.D3D11Shader;
+using System;
+using System.Collections;
+using GlitchyEngine.Math;
+
+using internal GlitchyEngine.Renderer;
+
+namespace GlitchyEngine.Renderer
+{
+	public class ConstantBuffer : Buffer
+	{
+		protected String _name ~ delete _;
+
+		/**
+		 * The buffer that contains the buffer data on the CPU.
+		 */
+		protected internal uint8[] rawData ~ delete _;
+
+		protected List<BufferVariable> _variables = new .() ~ DeleteContainerAndItems!(_);
+		protected Dictionary<String, BufferVariable> _nameToVariable = new .() ~ delete _;
+
+		/// Gets the name of the constant buffer.
+		public String Name => _name;
+
+		protected this(GraphicsContext context) : base(context) {}
+
+		public BufferVariable this[String name] => _nameToVariable[name];
+
+		protected internal void AddVariable(BufferVariable ownVariable)
+		{
+			_variables.Add(ownVariable);
+			_nameToVariable.Add(ownVariable.Name, ownVariable);
+		}
+
+		/**
+		 * Construct the buffer description.
+		 */
+		protected void ConstructBuffer()
+		{
+			_description.Size = (.)rawData.Count;
+			_description.BindFlags = .Constant;
+			_description.CPUAccess = .Write;
+			_description.Usage = .Dynamic;
+			_description.MiscFlags = .None;
+		}
+
+		/**
+		 * Uploads the date to the GPU.
+		 */
+		public void Update()
+		{
+			PlatformSetData(rawData.CArray(), (uint32)rawData.Count, 0, .WriteDiscard);
+		}
+	}
+
+	public enum ShaderVariableType
+	{
+		Float,
+		// todo
+	}
+
+	public class BufferVariable
+	{
+		private ConstantBuffer _constantBuffer ~ _constantBuffer?.ReleaseRef();
+
+		private String _name ~ delete _;
+
+		private ShaderVariableType _type;
+
+		private uint32 _columns;
+		private uint32 _rows;
+		private uint32 _offset;
+		private uint32 _sizeInBytes;
+
+		private bool _isUsed;
+
+		public ConstantBuffer ConstantBuffer => _constantBuffer;
+
+		public ShaderVariableType Type => _type;
+
+		public String Name => _name;
+
+		/**
+		 * Gets a pointer to the start of the variable in the constant buffers backing data.
+		 */
+		[Inline]
+		internal uint8* firstByte => _constantBuffer.rawData.CArray() + _offset;
+
+		public this(ConstantBuffer constantBuffer, ShaderVariableType type, uint32 columns, uint32 rows, uint32 offset, uint32 sizeInBytes, bool isUsed)
+		{
+			_constantBuffer = constantBuffer..AddRef();
+			_type = type;
+			_columns = columns;
+			_rows = rows;
+			_offset = offset;
+			_sizeInBytes = sizeInBytes;
+			_isUsed = isUsed;
+		}
+
+		public void EnsureTypeMatch(int rows, int cols, ShaderVariableType type)
+		{
+#if GE_ERROR_SHADER_MATRIX_MISMATCH
+	   		Log.EngineLogger.Assert(rows == _rows || cols == _columns, scope $"The matrix-dimensions do not match: Expected {_rows} rows and {_rows} columns but Received {rows} rows and {cols} columns instead. Variable: \"{_name}\" of buffer: \"{_constantBuffer.Name}\"");
+#elif GE_WARN_SHADER_MATRIX_MISMATCH
+			if (rows != _rows || cols != _columns)
+	   			Log.EngineLogger.Warning($"The matrix-dimensions do not match: Expected {_rows} rows and {_rows} columns but Received {rows} rows and {cols} columns instead. Variable: \"{_name}\" of buffer: \"{_constantBuffer.Name}\"");
+#endif
+
+#if GE_ERROR_SHADER_VAR_TYPE_MISMATCH
+	   		Log.EngineLogger.Assert(type == _type, scope $"The types do not match: Expected \"{_type}\" but Received \"{type}\" instead. Variable: \"{_name}\" of buffer: \"{_constantBuffer.Name}\"");
+#elif GE_WARN_SHADER_VAR_TYPE_MISMATCH
+			if (type != _type)
+	   			Log.EngineLogger.Warning($"The types do not match: Expected \"{_type}\" but Received \"{type}\" instead. Variable: \"{_name}\" of buffer: \"{_constantBuffer.Name}\"");
+#endif
+		}
+
+		public void SetData(float value)
+		{
+			EnsureTypeMatch(1, 1, .Float);
+
+			*(float*)firstByte = value;
+		}
+
+		public void SetData(Vector2 value)
+		{
+			EnsureTypeMatch(1, 2, .Float);
+			
+			*(Vector2*)firstByte = value;
+		}
+
+		public void SetData(Vector3 value)
+		{
+			EnsureTypeMatch(1, 3, .Float);
+			
+			*(Vector3*)firstByte = value;
+		}
+
+		public void SetData(Vector4 value)
+		{
+			EnsureTypeMatch(1, 4, .Float);
+			
+			*(Vector4*)firstByte = value;
+		}
+
+		public void SetData(Matrix4x3 value)
+		{
+			// I think this is right
+			EnsureTypeMatch(4, 3, .Float);
+
+			*(Matrix4x3*)firstByte = value;
+		}
+
+		public void SetData(Matrix3x3 value)
+		{
+			EnsureTypeMatch(3, 3, .Float);
+
+			*(Matrix4x3*)firstByte = Matrix4x3(value);
+			
+			// Todo: maybe manual copy
+		}
+		
+		public void SetData(Matrix value)
+		{
+			EnsureTypeMatch(4, 4, .Float);
+
+			*(Matrix*)firstByte = value;
+		}
+		
+		public void SetData(ColorRGB value)
+		{
+			EnsureTypeMatch(1, 3, .Float);
+
+			*(ColorRGB*)firstByte = value;
+		}
+
+		public void SetData(ColorRGBA value)
+		{
+			EnsureTypeMatch(1, 4, .Float);
+
+			*(ColorRGBA*)firstByte = value;
+		}
+
+		public void SetData(Color value)
+		{
+			EnsureTypeMatch(1, 4, .Float);
+
+			*(ColorRGBA*)firstByte = (ColorRGBA)value;
+		}
+
+		// Todo: add all the other SetData-Methods
+
+		/**
+		 * Sets the raw data of the variable.
+		 * @param rawData The pointer to the raw data. If rawData is null the raw data will be set to zero.
+		 */
+		internal void SetRawData(void* rawData)
+		{
+#if DEBUG && !GE_IGNORE_UNUSED_VARIABLE
+			if(!_isUsed)
+			{
+				Log.EngineLogger.Warning($"Setting data for unused Variable \"{_name}\" of constant buffer \"{_constantBuffer.Name}\".");
+			}
+#endif
+
+			if(rawData != null)
+				Internal.MemCpy(firstByte, rawData, _sizeInBytes);
+			else
+				Internal.MemSet(firstByte, 0, _sizeInBytes);
+		}
+	}
+
+}

GlitchyEngine/src/Renderer/Effect.bf

@@ -2,24 +2,34 @@ using System;
 
 namespace GlitchyEngine.Renderer
 {
-	public class Effect
+	public class Effect : RefCounted
 	{
 		protected GraphicsContext _context;
-		internal VertexShader _vs;
-		internal PixelShader _ps;
+		internal VertexShader _vs ~ _?.ReleaseRef();
+		internal PixelShader _ps ~ _?.ReleaseRef();
 
 		public GraphicsContext Context => _context;
 
 		public VertexShader VertexShader
 		{
 			get => _vs;
-			set => _vs = value;
+			set
+			{
+				_vs?.ReleaseRef();
+				_vs = value;
+				_vs?.AddRef();
+			}
 		}
 		
 		public PixelShader PixelShader
 		{
 			get => _ps;
-			set => _ps = value;
+			set
+			{
+				_ps?.ReleaseRef();
+				_ps = value;
+				_ps?.AddRef();
+			}
 		}
 
 		public void Bind(GraphicsContext context)
@@ -27,5 +37,18 @@ namespace GlitchyEngine.Renderer
 			context.SetVertexShader(_vs);
 			context.SetPixelShader(_ps);
 		}
+
+		[Obsolete("Will be removed in the future", false)]
+		public this()
+		{
+
+		}
+
+		public this(String vsPath, String vsEntry, String psPath, String psEntry)
+		{
+			Compile(vsPath, vsEntry, psPath, psEntry);
+		}
+
+		protected extern void Compile(String vsPath, String vsEntry, String psPath, String psEntry);
 	}
 }

GlitchyEngine/src/Renderer/Material.bf

@@ -0,0 +1,29 @@
+using System;
+using GlitchyEngine.Math;
+
+namespace GlitchyEngine.Renderer
+{
+	public class Material : RefCounted
+	{
+		private Effect _effect ~ _?.ReleaseRef();
+
+		public this(Effect effect)
+		{
+			_effect = effect;
+		}
+
+		// public void Set(String name, VALUE)...
+
+		// Float, Float2, Float3, Float4
+		// Color, ColorRGB, ColorRGBA
+		// Matrix3x3, Matrix4x3, Matrix
+		// Int, Int2, Int3, Int4
+		// UInt, UInt2, UInt3, UInt4
+		// Bool, Bool2, Bool3, Bool4
+		// Half, Half2, Half3, Half4
+		// Byte, Byte2, Byte3, Byte4
+
+		// Texture
+		// Sampler
+	}
+}

GlitchyEngine/src/Renderer/Renderer.bf

@@ -9,15 +9,25 @@ namespace GlitchyEngine.Renderer
 			public Matrix ViewProjection;
 		}
 
+		struct ObjectConstants
+		{
+			public Matrix Transform;
+		}
+
 		static GraphicsContext _context;
 
-		static Buffer<SceneConstants> _sceneConstants ~ delete _;
+		static Buffer<SceneConstants> _sceneConstants ~ _?.ReleaseRef();
+
+		static Buffer<ObjectConstants> _objectConstants ~ _?.ReleaseRef();
 
 		public static void Init(GraphicsContext context)
 		{
 			_context = context;
 			_sceneConstants = new Buffer<SceneConstants>(_context, .(0, .Constant, .Dynamic, .Write));
 			_sceneConstants.Update();
+
+			_objectConstants = new Buffer<ObjectConstants>(_context, .(0, .Constant, .Dynamic, .Write));
+			_objectConstants.Update();
 		}
 
 		public static void BeginScene(Camera camera)
@@ -28,13 +38,19 @@ namespace GlitchyEngine.Renderer
 
 		public static void EndScene(){}
 
-		public static void Submit(GeometryBinding geometry, Effect effect)
+		public static void Submit(GeometryBinding geometry, Effect effect, Matrix transform = .Identity)
 		{
-			effect.Bind(_context);
-
 			effect.PixelShader?.Buffers.TryReplaceBuffer("SceneConstants", _sceneConstants);
 			effect.VertexShader?.Buffers.TryReplaceBuffer("SceneConstants", _sceneConstants);
 
+			_objectConstants.Data.Transform = transform;
+			_objectConstants.Update();
+			
+			effect.PixelShader?.Buffers.TryReplaceBuffer("ObjectConstants", _objectConstants);
+			effect.VertexShader?.Buffers.TryReplaceBuffer("ObjectConstants", _objectConstants);
+
+			effect.Bind(_context);
+
 			geometry.Bind();
 			RenderCommand.DrawIndexed(geometry);
 		}

GlitchyEngine/src/Renderer/Shader.bf

@@ -1,7 +1,6 @@
 using System;
 using System.IO;
 using System.Collections;
-using System.Diagnostics;
 
 namespace GlitchyEngine.Renderer
 {
@@ -19,7 +18,7 @@ namespace GlitchyEngine.Renderer
 		}
 	}
 
-	public abstract class Shader
+	public abstract class Shader : RefCounted
 	{
 		protected GraphicsContext _context;
 
@@ -33,13 +32,18 @@ namespace GlitchyEngine.Renderer
 		public this(GraphicsContext context, String source, String entryPoint, ShaderDefine[] macros = null)
 		{
 			// Todo: append as soon as it's fixed.
-			let buffers = new BufferCollection();
-			_buffers = buffers;
+			//let buffers = new BufferCollection();
+			_buffers = new BufferCollection();
 
 			_context = context;
 			CompileFromSource(source, entryPoint);
 		}
 
+		public ~this()
+		{
+
+		}
+
 		public static mixin FromFile<T>(GraphicsContext context, String fileName, String entryPoint, ShaderDefine[] macros = null) where T : Shader
 		{
 			String fileContent = new String();

Sandbox/content/basicShader.hlsl

@@ -1,12 +1,18 @@
-cbuffer SceneConstants : register(b0)
+cbuffer SceneConstants
 {
-    float4x4 Transform = float4x4(1, 0, 0, 0, 
+    float4x4 ViewProjection = float4x4(1, 0, 0, 0, 
         0, 1, 0, 0, 
         0, 0, 1, 0, 
         0, 0, 0, 1);
 }
 
-cbuffer Constants : register(b1)
+cbuffer ObjectConstants
+{
+    float4x4 Transform;
+}
+
+
+cbuffer Constants
 {
     float4 BaseColor;
 }
@@ -26,7 +32,10 @@ struct PS_IN
 PS_IN VS(VS_IN input)
 {
     PS_IN output;
-    output.Position = mul(Transform, float4(input.Position, 1));
+	
+	float4 worldPosition = mul(Transform, float4(input.Position, 1));
+	
+    output.Position = mul(ViewProjection, worldPosition);
     output.Color = input.Color;
     
     return output;

Sandbox/src/SandboxApp.bf

@@ -1,246 +1,286 @@
-using System;
-using GlitchyEngine;
-using GlitchyEngine.Events;
-using System.Diagnostics;
-using GlitchLog;
-using GlitchyEngine.ImGui;
-using ImGui;
-using GlitchyEngine.Renderer;
-using GlitchyEngine.Math;
-
-namespace Sandbox
-{
-	class ExampleLayer : Layer
-	{
-		private OrthographicCamera _camera ~ delete _;
-		
-		struct VertexColor : IVertexData
-		{
-			public Vector3 Position;
-			public Color Color;
-
-			public this() => this = default;
-
-			public this(Vector3 pos, Color color)
-			{
-				Position = pos;
-				Color = color;
-			}
-
-			//public static readonly InputElementDescription[] InputLayout ~ delete _;
-			
-			public static readonly VertexLayout VertexLayout ~ delete _;
-
-			public static VertexLayout IVertexData.VertexLayout => VertexLayout;
-
-			static this()
-			{
-				//VertexLayout = new VertexLayout();
-			}
-		}
-
-		VertexLayout _vertexLayout ~ delete _;
-
-		GeometryBinding _geometryBinding ~ delete _;
-		VertexBuffer _vertexBuffer ~ delete _;
-		IndexBuffer _indexBuffer ~ delete _;
-
-		GeometryBinding _quadGeometryBinding ~ delete _;
-		VertexBuffer _quadVertexBuffer ~ delete _;
-		IndexBuffer _quadIndexBuffer ~ delete _;
-
-		RasterizerState _rasterizerState ~ delete _;
-
-		Effect _effect ~ delete _;
-		VertexShader _vertexShader ~ delete _;
-		PixelShader _pixelShader ~ delete _;
-
-		Buffer<ColorRGBA> _cBuffer ~ delete _;
-
-		private Vector3 CircleCoord(float angle)
-		{
-			return .(Math.Cos(angle), Math.Sin(angle), 0);
-		}
-
-		[AllowAppend]
-		public this() : base("Example")
-		{
-			{
-				_effect = new Effect();
-
-				_vertexShader = Shader.FromFile!<VertexShader>(Application.Get().Window.Context, "content\\basicShader.hlsl", "VS");
-				_effect.VertexShader = _vertexShader;
-
-				_pixelShader = Shader.FromFile!<PixelShader>(Application.Get().Window.Context, "content\\basicShader.hlsl", "PS");
-				_effect.PixelShader = _pixelShader;
-			}
-
-			// Create Input Layout
-
-			_vertexLayout = new VertexLayout(Application.Get().Window.Context, new .(
-				VertexElement(.R32G32B32_Float, "POSITION"),
-				VertexElement(.R8G8B8A8_UNorm,  "COLOR"),
-				), _vertexShader);
-
-			_cBuffer = new Buffer<ColorRGBA>(Application.Get().Window.Context, .(0, .Constant, .Immutable));
-			_cBuffer.Data = .White;
-			_cBuffer.Update();
-
-			_pixelShader.Buffers.ReplaceBuffer("Constants", _cBuffer);
-
-			// Create hexagon
-			{
-				_geometryBinding = new GeometryBinding(Application.Get().Window.Context);
-				_geometryBinding.SetPrimitiveTopology(.TriangleList);
-				_geometryBinding.SetVertexLayout(_vertexLayout);
-	
-				float pO3 = Math.PI_f / 3.0f;
-				VertexColor[?] vertices = .(
-					VertexColor(.Zero, Color(255,255,255)),
-					VertexColor(CircleCoord(0), Color(255,  0,  0)),
-					VertexColor(CircleCoord(pO3), Color(255,255,  0)),
-					VertexColor(CircleCoord(pO3*2), Color(  0,255,  0)),
-					VertexColor(CircleCoord(Math.PI_f), Color(  0,255,255)),
-					VertexColor(CircleCoord(-pO3*2), Color(  0,  0,255)),
-					VertexColor(CircleCoord(-pO3), Color(255,  0,255)),
-				);
-	
-				_vertexBuffer = new VertexBuffer(Application.Get().Window.Context, typeof(VertexColor), (.)vertices.Count, .Immutable);
-				_vertexBuffer.SetData(vertices);
-				_geometryBinding.SetVertexBufferSlot(_vertexBuffer, 0);
-	
-				uint16[?] indices = .(
-					0, 1, 2,
-					0, 2, 3,
-					0, 3, 4,
-					0, 4, 5,
-					0, 5, 6,
-					0, 6, 1);
-	
-				_indexBuffer = new IndexBuffer(Application.Get().Window.Context, (.)indices.Count, .Immutable);
-				_indexBuffer.SetData(indices);
-				_geometryBinding.SetIndexBuffer(_indexBuffer);
-			}
-
-			// Create Quad
-			{
-				_quadGeometryBinding = new GeometryBinding(Application.Get().Window.Context);
-				_quadGeometryBinding.SetPrimitiveTopology(.TriangleList);
-				_quadGeometryBinding.SetVertexLayout(_vertexLayout);
-	
-				VertexColor[?] vertices = .(
-					VertexColor(Vector3(-0.75f, 0.75f, 0), Color.Blue),
-					VertexColor(Vector3(-0.75f, -0.75f, 0), Color.Blue),
-					VertexColor(Vector3(0.75f, -0.75f, 0), Color.Blue),
-					VertexColor(Vector3(0.75f, 0.75f, 0), Color.Blue),
-				);
-	
-				_quadVertexBuffer = new VertexBuffer(Application.Get().Window.Context, typeof(VertexColor), (.)vertices.Count, .Immutable);
-				_quadVertexBuffer.SetData(vertices);
-				_quadGeometryBinding.SetVertexBufferSlot(_quadVertexBuffer, 0);
-	
-				uint16[?] indices = .(
-					0, 1, 2,
-					2, 3, 0);
-	
-				_quadIndexBuffer = new IndexBuffer(Application.Get().Window.Context, (.)indices.Count, .Immutable);
-				_quadIndexBuffer.SetData(indices);
-				_quadGeometryBinding.SetIndexBuffer(_quadIndexBuffer);
-			}
-
-			// Create rasterizer state
-			GlitchyEngine.Renderer.RasterizerStateDescription rsDesc = .(.Solid, .Back, true);
-			_rasterizerState = new RasterizerState(Application.Get().Window.Context, rsDesc);
-
-			// Camera
-			_camera = new OrthographicCamera();
-			_camera.NearPlane = -1;
-			_camera.FarPlane = 1;
-		}
-
-		public override void Update(GameTime gameTime)
-		{
-			Vector2 movement = .();
-
-			if(Input.IsKeyPressed(Key.W))
-			{
-				movement.Y += 1;
-			}
-			else if(Input.IsKeyPressed(Key.S))
-			{
-				movement.Y -= 1;
-			}
-			
-			if(Input.IsKeyPressed(Key.A))
-			{
-				movement.X -= 1;
-			}
-			else if(Input.IsKeyPressed(Key.D))
-			{
-				movement.X += 1;
-			}
-
-			if(movement != .Zero)
-				movement.Normalize();
-
-			movement *= (float)(gameTime.FrameTime.TotalSeconds);
-
-			_camera.Position += .(movement, 0);
-
-			_camera.Width = Application.Get().Window.Context.SwapChain.BackbufferViewport.Width / 256;
-			_camera.Height = Application.Get().Window.Context.SwapChain.BackbufferViewport.Height / 256;
-
-			_camera.Update();
-
-			RenderCommand.Clear(null, .(0.2f, 0.2f, 0.2f));
-
-			// Draw test geometry
-			Application.Get().Window.Context.SetRenderTarget(null);
-			Application.Get().Window.Context.BindRenderTargets();
-
-			Application.Get().Window.Context.SetRasterizerState(_rasterizerState);
-
-			Application.Get().Window.Context.SetViewport(Application.Get().Window.Context.SwapChain.BackbufferViewport);
-
-			Renderer.BeginScene(_camera);
-
-			Renderer.Submit(_geometryBinding, _effect);
-			Renderer.Submit(_quadGeometryBinding, _effect);
-
-			Renderer.EndScene();
-
-		}
-
-		public override void OnEvent(Event event)
-		{
-			Log.ClientLogger.Trace($"{event}");
-
-			EventDispatcher dispatcher = scope EventDispatcher(event);
-
-			dispatcher.Dispatch<ImGuiRenderEvent>(scope (e) => OnImGuiRender(e));
-		}
-
-		private bool OnImGuiRender(ImGuiRenderEvent e)
-		{
-			ImGui.Begin("Test");
-
-			ImGui.End();
-
-			return false;
-		}
-	}
-
-	class SandboxApp : Application
-	{
-		public this()
-		{
-			PushLayer(new ExampleLayer());
-		}
-
-		[Export, LinkName("CreateApplication")]
-		public static Application CreateApplication()
-		{
-			return new SandboxApp();
-		}
-	}
-}
+using System;
+using GlitchyEngine;
+using GlitchyEngine.Events;
+using System.Diagnostics;
+using GlitchLog;
+using GlitchyEngine.ImGui;
+using ImGui;
+using GlitchyEngine.Renderer;
+using GlitchyEngine.Math;
+
+namespace Sandbox
+{
+	class ExampleLayer : Layer
+	{
+		private OrthographicCamera _camera ~ delete _; // PerspectiveCamera
+		
+		struct VertexColor : IVertexData
+		{
+			public Vector3 Position;
+			public Color Color;
+
+			public this() => this = default;
+
+			public this(Vector3 pos, Color color)
+			{
+				Position = pos;
+				Color = color;
+			}
+
+			//public static readonly InputElementDescription[] InputLayout ~ delete _;
+			
+			public static readonly VertexLayout VertexLayout ~ delete _;
+
+			public static VertexLayout IVertexData.VertexLayout => VertexLayout;
+
+			static this()
+			{
+				//VertexLayout = new VertexLayout();
+			}
+		}
+
+		VertexLayout _vertexLayout ~ delete _;
+
+		GeometryBinding _geometryBinding ~ delete _;
+		VertexBuffer _vertexBuffer ~ _?.ReleaseRef();
+		IndexBuffer _indexBuffer ~ _?.ReleaseRef();
+
+		GeometryBinding _quadGeometryBinding ~ delete _;
+		VertexBuffer _quadVertexBuffer ~ _?.ReleaseRef();
+		IndexBuffer _quadIndexBuffer ~ _?.ReleaseRef();
+
+		RasterizerState _rasterizerState ~ delete _;
+
+		Effect _effect ~ _?.ReleaseRef();
+
+		//Buffer<ColorRGBA> _cBuffer ~ _?.ReleaseRef();
+		ConstantBuffer _cBuffer ~ _?.ReleaseRef();
+
+		private Vector3 CircleCoord(float angle)
+		{
+			return .(Math.Cos(angle), Math.Sin(angle), 0);
+		}
+
+		[AllowAppend]
+		public this() : base("Example")
+		{
+			{
+				_effect = new Effect();
+
+				let vs = Shader.FromFile!<VertexShader>(Application.Get().Window.Context, "content\\basicShader.hlsl", "VS");
+				_effect.VertexShader = vs;
+				vs.ReleaseRef();
+
+				let ps = Shader.FromFile!<PixelShader>(Application.Get().Window.Context, "content\\basicShader.hlsl", "PS");
+				_effect.PixelShader = ps;
+				ps.ReleaseRef();
+			}
+
+			// Create Input Layout
+
+			_vertexLayout = new VertexLayout(Application.Get().Window.Context, new .(
+				VertexElement(.R32G32B32_Float, "POSITION"),
+				VertexElement(.R8G8B8A8_UNorm,  "COLOR"),
+				), _effect.VertexShader);
+			/*
+			_cBuffer = new Buffer<ColorRGBA>(Application.Get().Window.Context, .(0, .Constant, .Dynamic, .Write));
+			_cBuffer.Data = .White;
+			_cBuffer.Update();
+			*/
+
+			//_effect.PixelShader.Buffers.ReplaceBuffer("Constants", _cBuffer);
+
+			Buffer buffer = _effect.PixelShader.Buffers["Constants"];
+			_cBuffer = buffer as ConstantBuffer;
+			_cBuffer.AddRef();
+
+			if(_cBuffer != null)
+			{
+				_cBuffer["BaseColor"].SetData(ColorRGBA.Red);
+				_cBuffer.Update();
+			}
+
+			// Create hexagon
+			{
+				_geometryBinding = new GeometryBinding(Application.Get().Window.Context);
+				_geometryBinding.SetPrimitiveTopology(.TriangleList);
+				_geometryBinding.SetVertexLayout(_vertexLayout);
+	
+				float pO3 = Math.PI_f / 3.0f;
+				VertexColor[?] vertices = .(
+					VertexColor(.Zero, Color(255,255,255)),
+					VertexColor(CircleCoord(0), Color(255,  0,  0)),
+					VertexColor(CircleCoord(pO3), Color(255,255,  0)),
+					VertexColor(CircleCoord(pO3*2), Color(  0,255,  0)),
+					VertexColor(CircleCoord(Math.PI_f), Color(  0,255,255)),
+					VertexColor(CircleCoord(-pO3*2), Color(  0,  0,255)),
+					VertexColor(CircleCoord(-pO3), Color(255,  0,255)),
+				);
+	
+				_vertexBuffer = new VertexBuffer(Application.Get().Window.Context, typeof(VertexColor), (.)vertices.Count, .Immutable);
+				_vertexBuffer.SetData(vertices);
+				_geometryBinding.SetVertexBufferSlot(_vertexBuffer, 0);
+	
+				uint16[?] indices = .(
+					0, 1, 2,
+					0, 2, 3,
+					0, 3, 4,
+					0, 4, 5,
+					0, 5, 6,
+					0, 6, 1);
+	
+				_indexBuffer = new IndexBuffer(Application.Get().Window.Context, (.)indices.Count, .Immutable);
+				_indexBuffer.SetData(indices);
+				_geometryBinding.SetIndexBuffer(_indexBuffer);
+			}
+
+			// Create Quad
+			{
+				_quadGeometryBinding = new GeometryBinding(Application.Get().Window.Context);
+				_quadGeometryBinding.SetPrimitiveTopology(.TriangleList);
+				_quadGeometryBinding.SetVertexLayout(_vertexLayout);
+	
+				VertexColor[?] vertices = .(
+					VertexColor(Vector3(-0.75f, 0.75f, 0), Color.White),
+					VertexColor(Vector3(-0.75f, -0.75f, 0), Color.White),
+					VertexColor(Vector3(0.75f, -0.75f, 0), Color.White),
+					VertexColor(Vector3(0.75f, 0.75f, 0), Color.White),
+				);
+	
+				_quadVertexBuffer = new VertexBuffer(Application.Get().Window.Context, typeof(VertexColor), (.)vertices.Count, .Immutable);
+				_quadVertexBuffer.SetData(vertices);
+				_quadGeometryBinding.SetVertexBufferSlot(_quadVertexBuffer, 0);
+	
+				uint16[?] indices = .(
+					0, 1, 2,
+					2, 3, 0);
+	
+				_quadIndexBuffer = new IndexBuffer(Application.Get().Window.Context, (.)indices.Count, .Immutable);
+				_quadIndexBuffer.SetData(indices);
+				_quadGeometryBinding.SetIndexBuffer(_quadIndexBuffer);
+			}
+
+			// Create rasterizer state
+			GlitchyEngine.Renderer.RasterizerStateDescription rsDesc = .(.Solid, .Back, true);
+			_rasterizerState = new RasterizerState(Application.Get().Window.Context, rsDesc);
+
+			// Camera
+			_camera = new OrthographicCamera();
+			_camera.NearPlane = -1;
+			_camera.FarPlane = 1;
+			/*
+			_camera = new PerspectiveCamera();
+			_camera.NearPlane = 0.1f;
+			_camera.FarPlane = 10.0f;
+			_camera.FovY = Math.PI_f / 4;
+			_camera.Position = .(0, -1, -5);
+			*/
+		}
+
+		public override void Update(GameTime gameTime)
+		{
+			Vector2 movement = .();
+
+			if(Input.IsKeyPressed(Key.W))
+			{
+				movement.Y += 1;
+			}
+			if(Input.IsKeyPressed(Key.S))
+			{
+				movement.Y -= 1;
+			}
+			
+			if(Input.IsKeyPressed(Key.A))
+			{
+				movement.X -= 1;
+			}
+			if(Input.IsKeyPressed(Key.D))
+			{
+				movement.X += 1;
+			}
+
+			if(movement != .Zero)
+				movement.Normalize();
+
+			movement *= (float)(gameTime.FrameTime.TotalSeconds);
+
+			_camera.Position += .(movement, 0);
+
+			_camera.Width = Application.Get().Window.Context.SwapChain.BackbufferViewport.Width / 256;
+			_camera.Height = Application.Get().Window.Context.SwapChain.BackbufferViewport.Height / 256;
+
+			//_camera.AspectRatio = Application.Get().Window.Context.SwapChain.BackbufferViewport.Width /
+			//						Application.Get().Window.Context.SwapChain.BackbufferViewport.Height;
+
+			_camera.Update();
+
+			RenderCommand.Clear(null, .(0.2f, 0.2f, 0.2f));
+
+			// Draw test geometry
+			Application.Get().Window.Context.SetRenderTarget(null);
+			Application.Get().Window.Context.BindRenderTargets();
+
+			Application.Get().Window.Context.SetRasterizerState(_rasterizerState);
+
+			Application.Get().Window.Context.SetViewport(Application.Get().Window.Context.SwapChain.BackbufferViewport);
+
+			Renderer.BeginScene(_camera);
+			
+			//_cBuffer.Data = .White;
+			_cBuffer["BaseColor"].SetData(ColorRGBA.White);
+			_cBuffer.Update();
+
+			Renderer.Submit(_geometryBinding, _effect);
+			Renderer.Submit(_quadGeometryBinding, _effect, .Translation(2, 0, 0));
+
+			for(int x < 20)
+			for(int y < 20)
+			{
+				if((x + y) % 2 == 0)
+					//_cBuffer.Data = .Red;
+					_cBuffer["BaseColor"].SetData(ColorRGBA.Red);
+				else
+					_cBuffer["BaseColor"].SetData(ColorRGBA.Blue);
+					//_cBuffer.Data = .Blue;
+
+				_cBuffer.Update();
+
+				Matrix transform = Matrix.Translation(x * 0.2f, y * 0.2f, 0) * Matrix.Scaling(0.1f);
+				Renderer.Submit(_quadGeometryBinding, _effect, transform);
+			}
+
+			Renderer.EndScene();
+
+		}
+
+		public override void OnEvent(Event event)
+		{
+			EventDispatcher dispatcher = scope EventDispatcher(event);
+
+			dispatcher.Dispatch<ImGuiRenderEvent>(scope (e) => OnImGuiRender(e));
+		}
+
+		private bool OnImGuiRender(ImGuiRenderEvent e)
+		{
+			ImGui.Begin("Test");
+
+			ImGui.End();
+
+			return false;
+		}
+	}
+
+	class SandboxApp : Application
+	{
+		public this()
+		{
+			PushLayer(new ExampleLayer());
+		}
+
+		[Export, LinkName("CreateApplication")]
+		public static Application CreateApplication()
+		{
+			return new SandboxApp();
+		}
+	}
+}