diff --git a/Engine/dxgidebug.dll b/Engine/dxgidebug.dll
new file mode 100644
index 0000000..12139cd
Binary files /dev/null and b/Engine/dxgidebug.dll differ
diff --git a/Engine/premake5.lua b/Engine/premake5.lua
index 949b4b6..8d87102 100644
--- a/Engine/premake5.lua
+++ b/Engine/premake5.lua
@@ -68,15 +68,15 @@ project "Engine"
 
 	-- debug
 	filter "configurations:Debug"
-		defines "LT_DEBUG"
+		defines "LIGHT_DEBUG"
 		symbols "on"
 
 	-- release
 	filter "configurations:Release"
-		defines "LT_RELEASE"
+		defines "LIGHT_RELEASE"
 		optimize "on"
 
 	-- distribution
 	filter "configurations:Distribution"
-		defines "LT_DIST"
+		defines "LIGHT_DIST"
 		optimize "on"
\ No newline at end of file
diff --git a/Engine/src/Engine/Base.h b/Engine/src/Engine/Base.h
index 8df70ec..e306895 100644
--- a/Engine/src/Engine/Base.h
+++ b/Engine/src/Engine/Base.h
@@ -13,12 +13,14 @@
 #if defined(LIGHT_PLATFORM_WINDOWS)
 	#define LT_BUILD_PLATFORM "Windows"
 	#define LT_WIN(x) x
-#elif defined(LT_PLATFORM_LINUX)
+#elif defined(LIGHT_PLATFORM_LINUX)
 	#error "Unsupported platform: UNIX"
 	#define LT_LIN(x)
+#elif defined(LIGHT_PLATFORM_MAC)
+	#error "Unsupported platform: MAC"
+	#define LT_MAC(x) x
 #else
 	#error "Unsupported platform: Unknown"
-	#define LT_MAC(x) x
 #endif
 
 #define BIT(x) 1 << x
diff --git a/Engine/src/Engine/Core/Application.cpp b/Engine/src/Engine/Core/Application.cpp
index 92b975f..494438b 100644
--- a/Engine/src/Engine/Core/Application.cpp
+++ b/Engine/src/Engine/Core/Application.cpp
@@ -31,6 +31,7 @@ namespace Light {
 		LT_ENGINE_ASSERT(!m_LayerStack.IsEmpty(), "Application::GameLoop: Layerstack is empty");
 
 		// Log window data
+		LogDebugData();
 		m_Window->GetGfxContext()->LogDebugData();
 		m_Window->GetGfxContext()->GetUserInterface()->LogDebugData();
 
@@ -78,4 +79,12 @@ namespace Light {
 		m_LayerStack.OnEvent(event);
 	}
 
+	void Application::LogDebugData()
+	{
+		LT_ENGINE_INFO("________________________________________");
+		LT_ENGINE_INFO("Platform::");
+		LT_ENGINE_INFO("        OS: {}", LT_BUILD_PLATFORM);
+		LT_ENGINE_INFO("________________________________________");
+	}
+
 }
\ No newline at end of file
diff --git a/Engine/src/Engine/Core/Application.h b/Engine/src/Engine/Core/Application.h
index c6b32f6..1df588e 100644
--- a/Engine/src/Engine/Core/Application.h
+++ b/Engine/src/Engine/Core/Application.h
@@ -33,6 +33,8 @@ namespace Light {
 
 	private:
 		void OnEvent(const Event& event);
+
+		void LogDebugData();
 	};
 
 }
\ No newline at end of file
diff --git a/Engine/src/Engine/Core/Logger.h b/Engine/src/Engine/Core/Logger.h
index 517144b..4dc2955 100644
--- a/Engine/src/Engine/Core/Logger.h
+++ b/Engine/src/Engine/Core/Logger.h
@@ -5,7 +5,7 @@
 #include <spdlog/spdlog.h>
 
 // LOGGER MACROS //
-#ifndef LT_DIST 
+#ifndef LIGHT_DIST
 	// Engine
 	#define LT_ENGINE_TRACE(...)    ::Light::Logger::GetEngineLogger()->log(spdlog::level::trace   , __VA_ARGS__)
 	#define LT_ENGINE_INFO(...)     ::Light::Logger::GetEngineLogger()->log(spdlog::level::info    , __VA_ARGS__)
diff --git a/Engine/src/Engine/Graphics/Renderer.cpp b/Engine/src/Engine/Graphics/Renderer.cpp
index 9adf95d..cb6051e 100644
--- a/Engine/src/Engine/Graphics/Renderer.cpp
+++ b/Engine/src/Engine/Graphics/Renderer.cpp
@@ -18,7 +18,7 @@ namespace Light {
 		m_QuadRenderer.shader = std::unique_ptr<Shader>(Shader::Create("res/vertex.vertex", "res/fragment.fragment", m_SharedContext));
 		m_QuadRenderer.vertexBuffer = std::unique_ptr<VertexBuffer>(VertexBuffer::Create(nullptr, sizeof(QuadRendererProgram::QuadVertexData), LT_MAX_QUAD * 4, m_SharedContext));
 		m_QuadRenderer.vertexLayout = std::unique_ptr<VertexLayout>(VertexLayout::Create(m_QuadRenderer.vertexBuffer.get(), m_QuadRenderer.shader.get(), { { "POSITION", VertexElementType::Float3 },{ "COLOR", VertexElementType::Float4 } }, m_SharedContext));
-		m_QuadRenderer.indexBuffer = std::unique_ptr<IndexBuffer>(IndexBuffer::Create(nullptr, LT_MAX_QUAD * 3, m_SharedContext));
+		m_QuadRenderer.indexBuffer = std::unique_ptr<IndexBuffer>(IndexBuffer::Create(nullptr, LT_MAX_QUAD * 6, m_SharedContext));
 		// QUADRENDERER //
 	}
 
@@ -49,27 +49,21 @@ namespace Light {
 		const float xMax = position.x + size.x;
 		const float yMax = position.y + size.y;
 
-		// TOP LEFT
-		m_QuadRenderer.mapCurrent->position = { xMin, yMin, position.z };
-		m_QuadRenderer.mapCurrent->tint = glm::vec4(1.0f, 0.1f, 0.1f, 1.0f);
-		m_QuadRenderer.mapCurrent++;
+		
+		m_QuadRenderer.mapCurrent[0].position = { xMin, yMin, position.z };
+		m_QuadRenderer.mapCurrent[0].tint = glm::vec4(0.1f, 0.1f, 1.0f, 1.0f);
 
-		// TOP RIGHT
-		m_QuadRenderer.mapCurrent->position = { xMax, yMin, position.z };
-		m_QuadRenderer.mapCurrent->tint = glm::vec4(0.1f, 1.0f, 0.1f, 1.0f);
-		m_QuadRenderer.mapCurrent++;
+		m_QuadRenderer.mapCurrent[1].position = { xMax, yMin, position.z };
+		m_QuadRenderer.mapCurrent[1].tint = glm::vec4(0.3f, 0.3f, 0.3f, 1.0f);
 
-		// BOTTOM RIGHT
-		m_QuadRenderer.mapCurrent->position = { xMax, yMax, position.z };
-		m_QuadRenderer.mapCurrent->tint = glm::vec4(0.3f, 0.3f, 0.3f, 1.0f);
-		m_QuadRenderer.mapCurrent++;
+		m_QuadRenderer.mapCurrent[2].position = { xMax, yMax, position.z };
+		m_QuadRenderer.mapCurrent[2].tint = glm::vec4(0.1f, 1.0f, 0.1f, 1.0f);
 
-		// BOTTOM LEFT
-		m_QuadRenderer.mapCurrent->position = { xMin, yMax, position.z };
-		m_QuadRenderer.mapCurrent->tint = glm::vec4(0.1f, 0.1f, 1.0f, 1.0f);
-		m_QuadRenderer.mapCurrent++;
+		m_QuadRenderer.mapCurrent[3].position = { xMin, yMax, position.z };
+		m_QuadRenderer.mapCurrent[3].tint = glm::vec4(1.0f, 0.1f, 0.1f, 1.0f);
 
 		// advance
+		m_QuadRenderer.mapCurrent += 4;
 		m_QuadRenderer.quadCount++;
 	}
 
@@ -81,9 +75,13 @@ namespace Light {
 
 	void Renderer::EndScene()
 	{
-		m_QuadRenderer.Bind();
-		m_RenderCommand->DrawIndexed(m_QuadRenderer.quadCount * 6);
-		m_QuadRenderer.quadCount = 0;
+		if (m_QuadRenderer.quadCount)
+		{
+			m_QuadRenderer.Bind();
+
+			m_RenderCommand->DrawIndexed(m_QuadRenderer.quadCount * 6);
+			m_QuadRenderer.quadCount = 0;
+		}
 	}
 
 }
\ No newline at end of file
diff --git a/Engine/src/Engine/Graphics/Shader.cpp b/Engine/src/Engine/Graphics/Shader.cpp
index 7d91648..6ebb6a5 100644
--- a/Engine/src/Engine/Graphics/Shader.cpp
+++ b/Engine/src/Engine/Graphics/Shader.cpp
@@ -15,16 +15,22 @@ namespace Light {
 	Shader* Shader::Create(const std::string& vertexPath, const std::string& pixelPath, void* sharedContext)
 	{
 		// load shader source
-		const std::string vertexSource = FileManager::ReadTXTFile(vertexPath);
-		const std::string pixelSource = FileManager::ReadTXTFile(pixelPath);
+		std::string vertexSource = FileManager::ReadTXTFile(vertexPath);
+		std::string pixelSource = FileManager::ReadTXTFile(pixelPath);
 
 		switch (GraphicsContext::GetGraphicsAPI())
 		{
 		case GraphicsAPI::OpenGL:
+			ExtractShaderSource(vertexSource, "GLSL");
+			ExtractShaderSource(pixelSource, "GLSL");
+
 			return new glShader(vertexSource, pixelSource);
 
-		case GraphicsAPI::DirectX:
-			return new dxShader(vertexSource, pixelSource, sharedContext);
+		case GraphicsAPI::DirectX: LT_WIN(
+			ExtractShaderSource(vertexSource, "HLSL");
+			ExtractShaderSource(pixelSource, "HLSL");
+
+			return new dxShader(vertexSource, pixelSource, sharedContext);)
 
 		default:
 			LT_ENGINE_ASSERT(false, "Shader::Create: invalid/unsupported GraphicsAPI {}", GraphicsContext::GetGraphicsAPI());
@@ -32,4 +38,23 @@ namespace Light {
 		}
 	}
 
+	void Shader::ExtractShaderSource(std::string& src, const std::string& delim)
+	{
+		size_t begDelimPos, endDelimPos;
+
+		begDelimPos = src.find('+' + delim) + 5;
+		endDelimPos = src.find('-' + delim);
+
+		LT_ENGINE_ASSERT(begDelimPos != std::string::npos + 5,
+		                 "Shader::ExtractShaderSource: failed to find the start delimeter in shader source, delim: {}, shader:\n{}",
+		                 delim, src);
+
+
+		LT_ENGINE_ASSERT(endDelimPos != std::string::npos,
+			"Shader::ExtractShaderSource: failed to find the end delimeter in shader source, delim: {}, shader:\n{}",
+			delim, src);
+
+		src = src.substr(begDelimPos, endDelimPos - begDelimPos);
+	}
+
 }
\ No newline at end of file
diff --git a/Engine/src/Engine/Graphics/Shader.h b/Engine/src/Engine/Graphics/Shader.h
index 6b13b83..f4af5b2 100644
--- a/Engine/src/Engine/Graphics/Shader.h
+++ b/Engine/src/Engine/Graphics/Shader.h
@@ -16,6 +16,9 @@ namespace Light {
 
 	protected:
 		Shader() = default;
+
+	private:
+		static void ExtractShaderSource(std::string& src, const std::string& delim);
 	};
 
 }
\ No newline at end of file
diff --git a/Engine/src/Engine/Layer/LayerStack.h b/Engine/src/Engine/Layer/LayerStack.h
index 3ca1471..1e4dabd 100644
--- a/Engine/src/Engine/Layer/LayerStack.h
+++ b/Engine/src/Engine/Layer/LayerStack.h
@@ -7,13 +7,10 @@ namespace Light {
 	class Layer;
 	class Event;
 
-	template <typename T>
-	using Raw = T*;
-
 	class LayerStack
 	{
 	private:
-		static Raw<LayerStack> s_Context;
+		static LayerStack* s_Context;
 
 		std::vector<Layer*> m_Layers;
 
diff --git a/Engine/src/Engine/Utility/FileManager.h b/Engine/src/Engine/Utility/FileManager.h
index e1e6650..c5019f1 100644
--- a/Engine/src/Engine/Utility/FileManager.h
+++ b/Engine/src/Engine/Utility/FileManager.h
@@ -4,7 +4,7 @@
 
 namespace Light {
 
-	// TODO: optimize
+	// TODO: optimize!!
 	class FileManager
 	{
 	public:
diff --git a/Engine/src/Platform/GraphicsAPI/DirectX/dxBuffers.cpp b/Engine/src/Platform/GraphicsAPI/DirectX/dxBuffers.cpp
index 1b7fa7c..d60b9e0 100644
--- a/Engine/src/Platform/GraphicsAPI/DirectX/dxBuffers.cpp
+++ b/Engine/src/Platform/GraphicsAPI/DirectX/dxBuffers.cpp
@@ -53,7 +53,6 @@ namespace Light {
 	{
 	}
 
-
 	dxIndexBuffer::dxIndexBuffer(unsigned int* indices, unsigned int count, void* sharedContext)
 	{
 		HRESULT hr;
@@ -69,7 +68,7 @@ namespace Light {
 		{
 			if (count % 6 != 0)
 			{
-				LT_ENGINE_WARN("dxIndexBuffer::dxIndexBuffer: count should be divisible by 6 when no indices is provided");
+				LT_ENGINE_WARN("dxIndexBuffer::dxIndexBuffer: indices can only be null if count is multiple of 6");
 				LT_ENGINE_WARN("dxIndexBuffer::dxIndexBuffer: adding {} to count -> {}", (6 - (count % 6)), count + (6 - (count % 6)));
 				count = count + (6 - (count % 6));
 			}
@@ -79,11 +78,11 @@ namespace Light {
 			for (unsigned int i = 0; i < count; i += 6)
 			{
 				indices[i + 0] = offset + 0;
-				indices[i + 1] = offset + 1;
+				indices[i + 1] = offset + 3;
 				indices[i + 2] = offset + 2;
 
 				indices[i + 3] = offset + 2;
-				indices[i + 4] = offset + 3;
+				indices[i + 4] = offset + 1;
 				indices[i + 5] = offset + 0;
 
 				offset += 4;
@@ -103,7 +102,10 @@ namespace Light {
 		DXC(m_Device->CreateBuffer(&bufferDesc, &sd, &m_Buffer));
 
 		if (!hasIndices)
+		{
 			delete[] indices;
+			indices = nullptr;
+		}
 	}
 
 	dxIndexBuffer::~dxIndexBuffer()
diff --git a/Engine/src/Platform/GraphicsAPI/DirectX/dxGraphicsContext.cpp b/Engine/src/Platform/GraphicsAPI/DirectX/dxGraphicsContext.cpp
index 5358dff..86bb1ed 100644
--- a/Engine/src/Platform/GraphicsAPI/DirectX/dxGraphicsContext.cpp
+++ b/Engine/src/Platform/GraphicsAPI/DirectX/dxGraphicsContext.cpp
@@ -26,17 +26,36 @@ namespace Light {
 		HRESULT hr;
 
 		DXGI_SWAP_CHAIN_DESC sd = { 0 };
-		sd.BufferCount = 1u;
-		sd.BufferDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
+		sd.OutputWindow = static_cast<HWND>(glfwGetWin32Window(windowHandle));
+
 		sd.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
-		sd.OutputWindow = glfwGetWin32Window(m_WindowHandle);
+		sd.BufferCount = 1u;
+
+		sd.BufferDesc.Width = 800u;
+		sd.BufferDesc.Height = 600u;
+		sd.BufferDesc.RefreshRate.Denominator = NULL;
+		sd.BufferDesc.RefreshRate.Numerator = NULL;
+		sd.BufferDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
+		sd.BufferDesc.Scaling = DXGI_MODE_SCALING_UNSPECIFIED;
+		sd.BufferDesc.ScanlineOrdering = DXGI_MODE_SCANLINE_ORDER_UNSPECIFIED;
+
+		sd.SwapEffect = DXGI_SWAP_EFFECT_DISCARD;
+
 		sd.SampleDesc.Count = 1u;
+		sd.SampleDesc.Quality = 0u;
+
 		sd.Windowed = true;
+		sd.Flags = NULL;
+		
+		UINT flags = NULL;
+
+#ifdef LIGHT_DEBUG
+		flags = D3D11_CREATE_DEVICE_DEBUG;
+#endif
 
 		DXC(D3D11CreateDeviceAndSwapChain(nullptr, D3D_DRIVER_TYPE_HARDWARE,
-		                              NULL, NULL, NULL, NULL, D3D11_SDK_VERSION,
+		                              NULL, flags, NULL, NULL, D3D11_SDK_VERSION,
 		                              &sd, &m_SwapChain, &m_Device, NULL, &m_DeviceContext));
-
 		m_DeviceContext->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
 
 		Microsoft::WRL::ComPtr<ID3D11Resource> backBuffer;
@@ -44,6 +63,24 @@ namespace Light {
 		DXC(m_Device->CreateRenderTargetView(backBuffer.Get(), nullptr, &m_RenderTargetView));
 		m_DeviceContext->OMSetRenderTargets(1u, m_RenderTargetView.GetAddressOf(), nullptr);
 
+		Microsoft::WRL::ComPtr<ID3D11InfoQueue> infoQueue;
+
+		DXC(m_Device.As(&debugInterface));
+		DXC(debugInterface.As(&infoQueue));
+
+		D3D11_MESSAGE_ID hide[] =
+		{
+			D3D11_MESSAGE_ID_DEVICE_DRAW_SAMPLER_NOT_SET,
+
+			// #todo: add more message IDs here as needed
+		};
+
+		D3D11_INFO_QUEUE_FILTER filter;
+		memset(&filter, 0, sizeof(filter));
+		filter.DenyList.NumIDs = _countof(hide);
+		filter.DenyList.pIDList = hide;
+		infoQueue->AddStorageFilterEntries(&filter);
+
 
 		D3D11_VIEWPORT viewport;
 
@@ -60,6 +97,16 @@ namespace Light {
 		dxSharedContext* sharedContext = new dxSharedContext({m_DeviceContext, m_SwapChain, m_RenderTargetView, m_Device});
 		m_SharedContext = sharedContext;
 
+
+	}
+
+	void dxGraphicsContext::OnWindowResize(const WindowResizedEvent& event)
+	{
+
+	}
+
+	void dxGraphicsContext::LogDebugData()
+	{
 		// log some information about dx context //
 		// locals 
 		IDXGIDevice* DXGIDevice;
@@ -82,18 +129,10 @@ namespace Light {
 		DXGIAdapter->Release();
 
 		// log info // #todo: log more information
+		LT_ENGINE_INFO("________________________________________");
 		LT_ENGINE_INFO("dxGraphicsContext:");
 		LT_ENGINE_INFO("        Renderer: {}", adapterDesc);
-	}
-
-	void dxGraphicsContext::OnWindowResize(const WindowResizedEvent& event)
-	{
-
-	}
-
-	void dxGraphicsContext::LogDebugData()
-	{
-
+		LT_ENGINE_INFO("________________________________________");
 	}
 
 }
\ No newline at end of file
diff --git a/Engine/src/Platform/GraphicsAPI/DirectX/dxGraphicsContext.h b/Engine/src/Platform/GraphicsAPI/DirectX/dxGraphicsContext.h
index afb9fac..fdeb540 100644
--- a/Engine/src/Platform/GraphicsAPI/DirectX/dxGraphicsContext.h
+++ b/Engine/src/Platform/GraphicsAPI/DirectX/dxGraphicsContext.h
@@ -21,6 +21,8 @@ namespace Light {
 		Microsoft::WRL::ComPtr<IDXGISwapChain> m_SwapChain;
 		Microsoft::WRL::ComPtr<ID3D11RenderTargetView> m_RenderTargetView;
 
+		Microsoft::WRL::ComPtr<ID3D11Debug> debugInterface;
+
 	public:
 		dxGraphicsContext(GLFWwindow* windowHandle);
 
diff --git a/Engine/src/Platform/GraphicsAPI/DirectX/dxRenderCommand.cpp b/Engine/src/Platform/GraphicsAPI/DirectX/dxRenderCommand.cpp
index 66a27d5..5016b98 100644
--- a/Engine/src/Platform/GraphicsAPI/DirectX/dxRenderCommand.cpp
+++ b/Engine/src/Platform/GraphicsAPI/DirectX/dxRenderCommand.cpp
@@ -36,7 +36,7 @@ namespace Light {
 
 	void dxRenderCommand::DrawIndexed(unsigned int count)
 	{
-
+		m_DeviceContext->DrawIndexed(count, 0u, 0u);
 	}
 
 }
\ No newline at end of file
diff --git a/Engine/src/Platform/GraphicsAPI/DirectX/dxVertexLayout.cpp b/Engine/src/Platform/GraphicsAPI/DirectX/dxVertexLayout.cpp
index d704c3b..119ec6f 100644
--- a/Engine/src/Platform/GraphicsAPI/DirectX/dxVertexLayout.cpp
+++ b/Engine/src/Platform/GraphicsAPI/DirectX/dxVertexLayout.cpp
@@ -39,7 +39,6 @@ namespace Light {
 
 	dxVertexLayout::~dxVertexLayout()
 	{
-
 	}
 
 	void dxVertexLayout::Bind()
diff --git a/Engine/src/Platform/GraphicsAPI/OpenGL/glGraphicsContext.cpp b/Engine/src/Platform/GraphicsAPI/OpenGL/glGraphicsContext.cpp
index 80cd161..51c40b8 100644
--- a/Engine/src/Platform/GraphicsAPI/OpenGL/glGraphicsContext.cpp
+++ b/Engine/src/Platform/GraphicsAPI/OpenGL/glGraphicsContext.cpp
@@ -32,6 +32,12 @@ namespace Light {
 
 	void glGraphicsContext::OnWindowResize(const WindowResizedEvent& event)
 	{
+		if (event.GetSize().x < 0 || event.GetSize().y < 0)
+		{
+			LT_ENGINE_ERROR("glGraphicsContext::OnWindowResize: width/height cannot be negative: [{}x{}]", event.GetSize().x, event.GetSize().y);
+			return;
+		}
+
 		glViewport(0, 0, event.GetSize().x, event.GetSize().y);
 	}
 
@@ -71,6 +77,7 @@ namespace Light {
 				                   Stringifier::glDebugMsgSource(source),
 				                   Stringifier::glDebugMsgType(type),
 				                   id);
+				__debugbreak();
 				LT_ENGINE_CRITICAL("        {}", message);
 				return;
 			case GL_DEBUG_SEVERITY_MEDIUM: case  GL_DEBUG_SEVERITY_LOW:
diff --git a/Engine/src/Platform/OS/Windows/wWindow.cpp b/Engine/src/Platform/OS/Windows/wWindow.cpp
index 20777dd..f64800c 100644
--- a/Engine/src/Platform/OS/Windows/wWindow.cpp
+++ b/Engine/src/Platform/OS/Windows/wWindow.cpp
@@ -30,7 +30,7 @@ namespace Light {
 		glfwSetWindowUserPointer(m_Handle, &m_EventCallback);
 		BindGlfwEvents();
 
-		m_GraphicsContext = std::unique_ptr<GraphicsContext>(GraphicsContext::Create(GraphicsAPI::OpenGL, m_Handle));
+		m_GraphicsContext = std::unique_ptr<GraphicsContext>(GraphicsContext::Create(GraphicsAPI::DirectX, m_Handle));
 		LT_ENGINE_ASSERT(m_GraphicsContext, "wWindow::wWindow: graphics context creation failed");
 	}
 
diff --git a/Sandbox/premake5.lua b/Sandbox/premake5.lua
index b111012..e40641e 100644
--- a/Sandbox/premake5.lua
+++ b/Sandbox/premake5.lua
@@ -53,15 +53,15 @@ project "Sandbox"
 
 	-- debug
 	filter "configurations:Debug"
-		defines "LT_DEBUG"
+		defines "LIGHT_DEBUG"
 		symbols "on"
 
 	-- release 
 	filter "configurations:Release"
-		defines "LT_RELEASE"
+		defines "LIGHT_RELEASE"
 		optimize "on"
 
 	-- distribution
 	filter "configurations:Distribution"
-		defines "LT_DIST"
+		defines "LIGHT_DIST"
 		optimize "on"
\ No newline at end of file
diff --git a/Sandbox/res/fragment.fragment b/Sandbox/res/fragment.fragment
index 945034e..7d9b08c 100644
--- a/Sandbox/res/fragment.fragment
+++ b/Sandbox/res/fragment.fragment
@@ -1,3 +1,4 @@
++GLSL
 #version 440 core
 
 in vec4 fragColor;
@@ -7,4 +8,11 @@ out vec4 FragmentColor;
 void main()
 {
 	FragmentColor = fragColor;
-}
\ No newline at end of file
+}
+-GLSL
++HLSL
+float4 main(float4 Color : COLOR) : SV_Target
+{
+	return Color;
+}
+-HLSL
\ No newline at end of file
diff --git a/Sandbox/res/vertex.vertex b/Sandbox/res/vertex.vertex
index a82c3c0..8eade4c 100644
--- a/Sandbox/res/vertex.vertex
+++ b/Sandbox/res/vertex.vertex
@@ -1,3 +1,4 @@
++GLSL
 #version 440 core
 
 layout(location = 0) in vec3 a_Position;
@@ -9,4 +10,20 @@ void main()
 {
 	gl_Position = vec4(a_Position, 1.0);
 	fragColor = a_Color;
-}
\ No newline at end of file
+}
+-GLSL
++HLSL
+struct VertexOut
+{
+	float4 Color : COLOR;
+	float4 Position : SV_Position;
+};
+
+VertexOut main(float3 InPosition : POSITION, float4 InColor : COLOR)
+{
+	VertexOut vso;
+	vso.Position = float4(InPosition.x, InPosition.y, InPosition.z, 1.0);
+	vso.Color = InColor;
+	return vso;
+}
+-HLSL
\ No newline at end of file