Updated memory debugger to have a better display of memory

Made with gemini

.agent/rules/coding-guidelines.md

@@ -2,6 +2,8 @@
 trigger: always_on
 ---
 
+Code compiles with all warning active and warning as errors.
+use static_cast or reinterpret_cast but not parenthesis for casting.
 No exceptions
 Use [[nodiscard]]
 auto is allowed but when its a pointer add the * and when reference adds the &
@@ -10,4 +12,5 @@ Types are CamelCase
 Functions are CamelCase.
 Add Assert to make sure all assumptions are good. Parameters of functions for example should be verified with Assert.
 Code should be self commented using proper variable names, types and functions. No need to add comments most of the time, unless the algorithm is very complex and hard to read.
-When creating a new system framework, make a unit test. To make the unit test we should not modify the framework code for special unit test case.
+When creating a new system framework, make a unit test. To make the unit test we should not modify the framework code for special unit test case.
+Always put braces for if,else,for,while etc.

.agent/skills/cpp_game_engine_programmer/SKILL.md

@@ -1,6 +1,8 @@
 ---
-name: C++ Game Engine Programmer
+name: cpp-game-engine-programmer
 description: An expert C++ systems programmer specialized in game engine architecture, memory management, and D3D12 graphics.
+trusted_commands:
+  - "misc\agent_build.bat *"
 ---
 
 # C++ Game Engine Programmer Skill

.agent/skills/debugger_programmer/SKILL.md

@@ -0,0 +1,25 @@
+---
+name: debugger-programmer
+description: An expert C++ systems programmer specialized in game engine debugging
+trusted_commands:
+  - "miscagent_build.bat *"
+---
+
+# C++ Game Engine Programmer Skill
+
+## Role
+You are a senior engine architect for the Juliet project. Your expertise lies in debugging C++ game engine. You add logs and use debug tricks to find the root cause of the issues.
+
+## Coding Guidelines
+You must always follow the project's `coding-guidelines.md`. Key tenets include:
+-   **No Exceptions**: Use asserts and return codes.
+-   **[[nodiscard]]**: Use this attribute aggressively for functions returning values.
+-   **Type Safety**: Use strong types (CamelCase).
+-   **Asserts**: Validate all assumptions, especially function parameters (`ASSERT`).
+
+## Workflows
+-   **Building**: Use the misc\Agent_build.bat or the /build command to compile the project.
+-   **Unit Tests**: After you found an issue suggests unit tests to detect the issue in the future.
+
+## Tone
+Professional, technical, and precise. Focus on explaining your debugging strategy.

.agent/skills/graphics_programmer/SKILL.md

@@ -1,5 +1,5 @@
 ---
-name: Graphics Programmer & Tech Artist
+name: graphics-programmer
 description: An expert in 3D rendering, shader development (HLSL), and visual aesthetics, acting as a bridge between technical implementation and artistic vision.
 ---
 

.agent/skills/video_game_tester/SKILL.md

@@ -1,5 +1,5 @@
 ---
-name: Video Game Tester
+name: video-game-tester
 description: A rigorous QA specialist and test automation engineer focused on verifying game stability and correctness.
 ---
 

.agent/workflows/build.md

@@ -3,14 +3,15 @@ description: Build the Juliet project using FastBuild
 ---
 
 // turbo-all
+// @auto-approve: true
 
 This workflow sets up the Juliet build environment and runs `fbuild`.
 
 1. To build a specific configuration (e.g., msvc-Debug):
-`cmd /c "misc\shell.bat & fbuild msvc-Debug"`
+`misc\agent_build.bat clang-Debug"`
 
 2. To build the default clang:
-`cmd /c "misc\shell.bat & fbuild clang"`
+`misc\agent_build.bat clang"`
 
 3. To see all available targets:
-`cmd /c "misc\shell.bat & fbuild -showtargets"`
+`misc\agent_build.bat -showtargets"`

.agent/workflows/recompile_shaders.md

@@ -1,9 +1,10 @@
 ---
 description: Recompile shaders for the Juliet project
 ---
+
 // turbo-all
 
 This workflow recompiles all shaders using the `recompile_shaders.bat` script.
 
 1. Recompile all shaders:
-`cmd /c "misc\shell.bat & misc\recompile_shaders.bat"`
+`misc\recompile_shaders.bat"`

.gitignore

@@ -14,6 +14,10 @@
 .vs/
 [Ii]ntermediate/
 
+# Logs
+build_*.txt
+launch_*.txt
+
 # Prerequisites
 *.d
 

AgentData/Imgui.md

@@ -0,0 +1,86 @@
+# ImGui Integration & Memory Debugger
+
+## Task List
+
+- [ ] **Preparation**
+    - [x] Fetch Dear ImGui Source Files (Verified existing submodule)
+    - [x] Create `External/imgui/Imgui.bff`
+    - [x] Update `fbuild.bff` to include `Imgui.bff`
+    - [x] Update `Juliet.bff` to link `ImGui` and include paths
+    - [x] Update `D3D12DescriptorHeap` to support ImGui (SRV for Font)
+
+- [ ] **Memory Arena Debugging**
+    - [x] Modify `MemoryArena` struct to store allocation tags (Debug builds only)
+    - [x] Update `ArenaPush` signature to accept `const char* tag`
+    - [x] Update call sites (default parameter should minimize churn)
+
+- [ ] **ImGui Core & TDD**
+    - [x] Create `Core/ImGui/ImGuiService.h/cpp` (Wrapper)
+    - [x] Create `Core/ImGui/ImGuiTests.cpp`
+    - [x] Implement `ImGui::SetAllocatorFunctions` using `EngineArena`
+    - [x] Test context creation and IO setup
+
+- [ ] **Integration**
+    - [ ] Win32: Integrate `WndProc` in `Win32DisplayEvent.cpp`
+    - [x] DX12: Initialize/Shutdown in `D3D12GraphicsDevice` (Implemented in `ImGuiRenderer.cpp`)
+    - [x] DX12: Render Frame in `D3D12GraphicsDevice` (Fixed Buffer Crash)
+
+- [ ] **Memory Debugger**
+    - [x] Create `Engine/Debug/MemoryDebugger.h/cpp`
+    - [x] Implement `DrawMemoryArena(const char* name, MemoryArena* arena)` with Allocation Tags
+    - [x] Implement Hex View for Arena Data (Allocations list implemented, Hex view pending/skipped)
+    - [x] Integrate into Main Loop (Toggle with 'Home' key)
+
+- [ ] **Verification**
+    - [ ] Launch and verify ImGui renders
+    - [x] Verify Memory Debugger shows allocations and tags
+
+---
+
+## Implementation Plan
+
+### Goal Description
+Integrate Dear ImGui into the Juliet engine.
+Implement a specialized Test Driven Development (TDD) approach.
+Create a Memory Debugger panel to visualize `MemoryArena` state with allocation tags.
+
+### Proposed Changes
+
+#### Build System
+**[NEW] [Imgui.bff](file:///w:/Classified/Juliet/External/imgui/Imgui.bff)**
+- Defines the `ImGui` library configuration.
+- Includes `imgui.cpp`, `imgui_draw.cpp`, `imgui_tables.cpp`, `imgui_widgets.cpp`, `imgui_demo.cpp`.
+- Includes backends: `imgui_impl_win32.cpp`, `imgui_impl_dx12.cpp`.
+
+**[MODIFY] [fbuild.bff](file:///w:/Classified/Juliet/fbuild.bff)**
+- Include `External/imgui/Imgui.bff`.
+
+**[MODIFY] [Juliet.bff](file:///w:/Classified/Juliet/Juliet/Juliet.bff)**
+- Add `ImGui` to `Juliet` library dependencies.
+- Add `External/imgui` and `External/imgui/backends` to include paths.
+
+#### Core/Memory
+**[MODIFY] [MemoryArena.h](file:///w:/Classified/Juliet/Juliet/include/Core/Memory/MemoryArena.h)**
+**[MODIFY] [MemoryArena.cpp](file:///w:/Classified/Juliet/Juliet/src/Core/Memory/MemoryArena.cpp)**
+- **Struct Change**: Add `AllocationTracking` vector (likely `std::vector` wrapped or fixed size array) in `JULIET_DEBUG`.
+- **Function Change**: `ArenaPush(..., const char* tag = nullptr)`.
+- **Logic**: Store offset + tag on push.
+
+#### Core/ImGui
+**[NEW] [ImGuiService.h](file:///w:/Classified/Juliet/Juliet/include/Core/ImGui/ImGuiService.h)**
+**[NEW] [ImGuiService.cpp](file:///w:/Classified/Juliet/Juliet/src/Core/ImGui/ImGuiService.cpp)**
+- Wrapper for ImGui lifecycle.
+- Uses `EngineArena` for internal ImGui allocations.
+
+**[NEW] [ImGuiTests.cpp](file:///w:/Classified/Juliet/Juliet/src/Core/ImGui/ImGuiTests.cpp)**
+- TDD suite for ImGui service.
+
+#### Graphics/D3D12
+**[MODIFY] [D3D12GraphicsDevice.cpp](file:///w:/Classified/Juliet/Juliet/src/Graphics/D3D12/D3D12GraphicsDevice.cpp)**
+- ImGui backend initialization and rendering.
+
+#### Engine/Debug
+**[NEW] [MemoryDebugger.h](file:///w:/Classified/Juliet/Juliet/include/Engine/Debug/MemoryDebugger.h)**
+**[NEW] [MemoryDebugger.cpp](file:///w:/Classified/Juliet/Juliet/src/Engine/Debug/MemoryDebugger.cpp)**
+- Draw arena usage bar using tracked tags.
+- Draw hex dump.

AgentData/MemoryArena.md

@@ -1,45 +1,64 @@
-# Memory System Status & Migration Plan
+# Paged Memory Arena Architecture
 
-## Completed Work
+## Status
+**Implemented & Active** (Jan 2026)
 
-### Core Systems
-- **MemoryArena**: Implemented linear allocator with alignment, markers, and reset support.
-- **Global Arenas**:
-  - `ScratchArena` (64MB): Transient per-frame memory.
-  - `EngineArena` (256MB): Persistent engine memory (internal).
-  - `GameArena` (512MB): Persistent game memory (exported to Game DLL).
-- **Helpers**: Added `ArenaPushType<T>` and `ArenaPushArray<T>` with automatic zero-initialization.
+## Overview
+The memory system uses a **Paged Arena** model backed by global **Memory Pools**. This architecture supports indefinite growth, efficient clearing, and minimizes OS-level allocations by sub-allocating from large pre-reserved buffers.
 
-### Migrated Subsystems
-- **Display**: `Win32Window` and `Win32DisplayDevice` now use `EngineArena`.
-- **Game Entities**: `Entity.h` uses `GameArena` for entity allocation; manual `free` calls removed from `game.cpp`.
-- **Hot Reload**: `HotReload.cpp` (persistent paths to `EngineArena`) and `Win32HotReload.cpp` (temp paths to `ScratchArena`).
+## Architecture
 
-## Remaining Work
+### 1. Memory Pool (`MemoryPool`)
+A Global Source of memory blocks.
+- **Role**: Manages a large contiguous memory region (e.g., 512MB for Game).
+- **Implementation**: Free List Allocator.
+- **Operations**: `AllocateBlock` (First-Fit with Splitting), `FreeBlock` (Returns to list).
+- **Optimization**: **Block Splitting** is implemented to preserve free space. If a block in the free list is significantly larger than requested (`Alloc + Header + 16 bytes`), it is split, and the remainder is returned to the free list. This prevents pool exhaustion from small allocations consuming large blocks.
+- **Instances**: 
+  - `g_EngineMemory` (256MB)
+  - `g_GameMemory` (512MB)
+  - `g_ScratchMemory` (64MB)
 
-The following subsystems still use legacy `malloc`/`calloc`/`realloc`/`free` and need to be migrated.
+### 2. Memory Arena (`MemoryArena`)
+A High-Level Allocator.
+- **Structure**: A linked list of `MemoryBlocks`.
+- **Behavior**:
+  - **Growth**: Starts with one block. If an allocation exceeds capacity, it requests a new Block (Page) from the backing Pool and links it.
+  - **Alloc**: Linear bump-pointer within the current block.
+  - **Clear**: Returns all blocks (except the first) to the Pool. Resets the first block.
+  - **Realloc**: Supports in-place expansion (if top of stack) or copy-and-move.
+- **Instances**: `GetGameArena()`, `GetEngineArena()`, `GetScratchArena()`.
 
+### 3. Memory Block (`MemoryBlock`)
+The unit of exchange between Pool and Arena.
+- **Header**: Includes `Magic` (debug safety), `Next` pointer, `TotalSize` (renamed from `Size`), and `Used` offset.
+- **Alignment**: 16-byte alignment enforced.
+- **Safety**: Debug builds use memory poisoning (`0xCD` on alloc, `0xDD` on free) and Magic number checks to detect corruption.
 
+### 4. Arena Pop (`ArenaPop`)
+Support for LIFO allocations (reclaiming memory).
+- **Behavior**: Checks if the pointer is at the very top of the stack (`CurrentBlock->Used`).
+- **Optimization**: If valid, decrements `Used` to reclaim space. If not (fragmented), does nothing.
+- **Usage**: Critical for `ImGui` vector resizing to prevent exponential memory consumption.
 
-### IO System
-- **Files**: `Core/HAL/IO/IOStream.cpp`, `Core/HAL/IO/Win32/Win32IOStream.cpp`
-- **Allocations**: `IOStream` instance, data buffers, `Win32IOStreamDataPayload`.
-- **Challenge**: `Realloc` is used for growing buffers.
-- **Strategy**: 
-  - `IOStream` struct -> `ScratchArena` (if transient) or `EngineArena`.
-  - Buffers: Evaluate if `ArenaPush` with large enough capacity is sufficient, or implement a growable buffer on top of arena (or use `std::vector` with custom allocator if absolutely needed, but prefer simple fixed max size if possible).
+## Usage
 
-### Graphics / Debug
-- **Files**: `Graphics/DebugDisplayRenderer.cpp`
-- **Allocations**: `DepthTestedVertices`, `OverlayVertices`.
-- **Strategy**: Use `EngineArena` or a dedicated `RenderArena` if these are persistent. If per-frame, move to `ScratchArena`.
+```cpp
+// 1. Get an Arena
+MemoryArena* arena = GetScratchArena();
 
-### Shader Compiler
-- **Files**: `JulietShaderCompiler/ShaderCompiler.cpp`
-- **Allocations**: Argument arrays, file buffers.
-- **Strategy**: Use `ScratchArena` for all compilation tasks as they are transient.
+// 2. Push Data
+MyStruct* data = ArenaPushType<MyStruct>(arena, "Tag");
+void* raw = ArenaPush(arena, 1024, 16, "RawBuffer");
 
-### Filesystem
-- **Files**: `Core/HAL/Filesystem/Filesystem.cpp`
-- **Allocations**: `CachedBasePath`.
-- **Strategy**: Migrate to `EngineArena` (persistent).
+// 3. Pop Data (LIFO)
+ArenaPop(arena, raw, 1024); // Reclaims memory
+
+// 4. Reset (Scratch only)
+ScratchArenaReset(); // Returns pages to g_ScratchMemory
+```
+
+## Migration Status
+- **ImGui**: Migrated to `GetEngineArena()` (Paged) with `ArenaPop` support for efficient vector resizing.
+- **Display/Window**: Uses Engine Arena.
+- **Game Entities**: Uses Game Arena.

Assets/source/Debug.vert.hlsl

@@ -13,9 +13,12 @@ Output main(uint vertexIndex : SV_VertexID)
     // Retrieve the vertex buffer using SM6.6 bindless syntax
     ByteAddressBuffer buffer = ResourceDescriptorHeap[BufferIndex];
 
+    // TextureIndex is used as vertex offset for consolidated buffer (depth-tested at 0, overlay at halfMax)
+    uint actualVertexIndex = vertexIndex + TextureIndex;
+
     // Vertex layout: float3 Position (12 bytes) + float4 Color (16 bytes) = 28 bytes stride
     uint stride = 28;
-    uint offset = vertexIndex * stride;
+    uint offset = actualVertexIndex * stride;
 
     float3 pos = asfloat(buffer.Load3(offset));
     float4 col = asfloat(buffer.Load4(offset + 12));

Assets/source/ImGui.frag.hlsl

@@ -0,0 +1,38 @@
+struct Input
+{
+    float4 Color : TEXCOORD0;
+    float2 UV : TEXCOORD1;
+};
+
+#include "RootConstants.hlsl"
+
+float4 main(Input input) : SV_Target0
+{
+    // Retrieve the texture using SM6.6 bindless syntax
+    // Texture2D texture = ResourceDescriptorHeap[TextureIndex]; (Must cast to Texture2D<float4>)
+    // Wait, ResourceDescriptorHeap indexing returns a wrapper, usually we use Textures[TextureIndex]?
+    // Juliet seems to use `ResourceDescriptorHeap` for Buffers.
+    // Let's check Triangle.vert/frag.
+    
+    // In bindless, usually:
+    // Texture2D<float4> tex = ResourceDescriptorHeap[TextureIndex];
+    // SamplerState samp = SamplerDescriptorHeap[0]; // Assuming static sampler or passed index
+    
+    // I need to check how Juliet accesses textures.
+    // I'll assume standard SM6.6 usage.
+    Texture2D<float4> tex = ResourceDescriptorHeap[TextureIndex];
+    SamplerState      samp = SamplerDescriptorHeap[0]; // Point sampler or Linear? ImGui usually uses Linear.
+    // D3D12GraphicsDevice.cpp created static samplers.
+    // Root signature has Static Samplers.
+    // RegisterSpace 0.
+    // Sampler register 0 is Point/Nearest?
+    // Let's check CreateGraphicsRootSignature in D3D12GraphicsDevice.cpp.
+    // It creates s_nearest at 0.
+    
+    // If I want Linear, I might need another sampler or rely on s_nearest for font (pixel art font?)
+    // Default ImGui font is usually antialiased, so Linear is preferred.
+    // But pixel aligned UI... 
+    // I will use `SamplerDescriptorHeap[0]` for now.
+    
+    return input.Color * tex.Sample(samp, input.UV);
+}

Assets/source/ImGui.vert.hlsl

@@ -0,0 +1,70 @@
+struct Output
+{
+    float4 Color : TEXCOORD0;
+    float2 UV : TEXCOORD1;
+    float4 Position : SV_Position;
+};
+
+#include "RootConstants.hlsl"
+
+struct Vertex
+{
+    float2 Pos;
+    float2 UV;
+    uint   Color;
+};
+
+Output main(uint vertexIndex : SV_VertexID)
+{
+    Output output;
+
+    // Retrieve the vertex buffer using SM6.6 bindless syntax
+    ByteAddressBuffer buffer = ResourceDescriptorHeap[BufferIndex];
+
+    // Add VertexOffset for indexed drawing with bindless buffers
+    // (SV_VertexID in indexed draw is raw index from index buffer, doesn't include BaseVertexLocation)
+    uint actualVertexIndex = vertexIndex + VertexOffset;
+
+    // ImDrawVert stride = 20 bytes (Vec2 pos + Vec2 uv + uint color)
+    uint stride = 20;
+    uint offset = actualVertexIndex * stride;
+
+    float2 pos = asfloat(buffer.Load2(offset));
+    float2 uv  = asfloat(buffer.Load2(offset + 8));
+    uint col   = buffer.Load(offset + 16);
+
+    // Unpack color (uint to float4)
+    // ImGui colors are 0xAABBGGRR (ABGR packed)
+    // We need to unpack to float4.
+    // HLSL unpacks as little endian.
+    // uint 0xAABBGGRR -> byte0=RR, byte1=GG, byte2=BB, byte3=AA
+    float4 c;
+    c.x = float(col & 0xFF) / 255.0f;
+    c.y = float((col >> 8) & 0xFF) / 255.0f;
+    c.z = float((col >> 16) & 0xFF) / 255.0f;
+    c.w = float((col >> 24) & 0xFF) / 255.0f;
+
+    // Transform
+    // ImGui sends pixel coordinates.
+    // We need to transform to NDC [-1, 1].
+    // PushConstants should contain Scale and Translate.
+    // float2 Scale = 2.0 / DisplaySize
+    // float2 Translate = -1.0 - (DisplayPos * Scale)
+    
+    // We will assume PushConstants are float2 Scale, float2 Translate.
+    // Struct in RootConstants.hlsl?
+    // RootConstants.hlsl likely defines `cbuffer PushConstants : register(b0)`.
+    // Let's assume standard push constants usage.
+    // Debug.vert.hlsl used `ViewProjection`. 
+    // We need to customize PushConstants or reuse `ViewProjection` slot?
+    // Juliet uses 128 bytes of push constants.
+    // We can map float4 ProjectionMatrix (or similar).
+    
+    // Use Scale and Translate from RootConstants
+    output.Position = float4(pos * Scale + Translate, 0.0f, 1.0f);
+    output.Color = c;
+    output.UV = uv;
+    
+    return output;
+}
+

Assets/source/RootConstants.hlsl

@@ -5,7 +5,12 @@ cbuffer RootConstants : register(b0, space0)
 {
     row_major float4x4 ViewProjection;
     uint     BufferIndex;
-    uint     _Padding[3]; 
+    uint     TextureIndex; 
+    uint     VertexOffset; // Base vertex for indexed drawing with bindless buffers
+    uint     _Padding;     // Padding for alignment
+    float2   Scale;        // 2D scale factor
+    float2   Translate;    // 2D translation
 };
 
+
 #endif // ROOT_CONSTANTS_HLSL

Assets/source/Triangle.vert.hlsl

@@ -11,9 +11,8 @@ Output main(uint vertexIndex : SV_VertexID)
     Output output;
 
     // Retrieve the buffer using SM6.6 bindless syntax
-    // We use index 0 as the sample app doesn't pass push constants yet.
-    uint bufferIndex = 0;
-    ByteAddressBuffer buffer = ResourceDescriptorHeap[bufferIndex];
+    // Use BufferIndex from RootConstants (pushed via SetPushConstants)
+    ByteAddressBuffer buffer = ResourceDescriptorHeap[BufferIndex];
 
     // Read position from buffer (Index * stride)
     // Stride = 2 float (pos) + 4 float (color) = 6 * 4 = 24 bytes ?

External/ImGui.vcxproj

@@ -0,0 +1,291 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="x64-Debug|x64">
+      <Configuration>x64-Debug</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="x64-Profile|x64">
+      <Configuration>x64-Profile</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="x64-Release|x64">
+      <Configuration>x64-Release</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="x64Clang-Debug|x64">
+      <Configuration>x64Clang-Debug</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="x64Clang-Profile|x64">
+      <Configuration>x64Clang-Profile</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="x64Clang-Release|x64">
+      <Configuration>x64Clang-Release</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <ItemGroup>
+    <CustomBuild Include="imgui\.editorconfig" />
+    <CustomBuild Include="imgui\backends\imgui_impl_allegro5.cpp" />
+    <CustomBuild Include="imgui\backends\imgui_impl_allegro5.h" />
+    <CustomBuild Include="imgui\backends\imgui_impl_android.cpp" />
+    <CustomBuild Include="imgui\backends\imgui_impl_android.h" />
+    <CustomBuild Include="imgui\backends\imgui_impl_dx10.cpp" />
+    <CustomBuild Include="imgui\backends\imgui_impl_dx10.h" />
+    <CustomBuild Include="imgui\backends\imgui_impl_dx11.cpp" />
+    <CustomBuild Include="imgui\backends\imgui_impl_dx11.h" />
+    <CustomBuild Include="imgui\backends\imgui_impl_dx12.cpp" />
+    <CustomBuild Include="imgui\backends\imgui_impl_dx12.h" />
+    <CustomBuild Include="imgui\backends\imgui_impl_dx9.cpp" />
+    <CustomBuild Include="imgui\backends\imgui_impl_dx9.h" />
+    <CustomBuild Include="imgui\backends\imgui_impl_glfw.cpp" />
+    <CustomBuild Include="imgui\backends\imgui_impl_glfw.h" />
+    <CustomBuild Include="imgui\backends\imgui_impl_glut.cpp" />
+    <CustomBuild Include="imgui\backends\imgui_impl_glut.h" />
+    <CustomBuild Include="imgui\backends\imgui_impl_metal.h" />
+    <CustomBuild Include="imgui\backends\imgui_impl_metal.mm" />
+    <CustomBuild Include="imgui\backends\imgui_impl_null.cpp" />
+    <CustomBuild Include="imgui\backends\imgui_impl_null.h" />
+    <CustomBuild Include="imgui\backends\imgui_impl_opengl2.cpp" />
+    <CustomBuild Include="imgui\backends\imgui_impl_opengl2.h" />
+    <CustomBuild Include="imgui\backends\imgui_impl_opengl3.cpp" />
+    <CustomBuild Include="imgui\backends\imgui_impl_opengl3.h" />
+    <CustomBuild Include="imgui\backends\imgui_impl_opengl3_loader.h" />
+    <CustomBuild Include="imgui\backends\imgui_impl_osx.h" />
+    <CustomBuild Include="imgui\backends\imgui_impl_osx.mm" />
+    <CustomBuild Include="imgui\backends\imgui_impl_sdl2.cpp" />
+    <CustomBuild Include="imgui\backends\imgui_impl_sdl2.h" />
+    <CustomBuild Include="imgui\backends\imgui_impl_sdl3.cpp" />
+    <CustomBuild Include="imgui\backends\imgui_impl_sdl3.h" />
+    <CustomBuild Include="imgui\backends\imgui_impl_sdlgpu3.cpp" />
+    <CustomBuild Include="imgui\backends\imgui_impl_sdlgpu3.h" />
+    <CustomBuild Include="imgui\backends\imgui_impl_sdlgpu3_shaders.h" />
+    <CustomBuild Include="imgui\backends\imgui_impl_sdlrenderer2.cpp" />
+    <CustomBuild Include="imgui\backends\imgui_impl_sdlrenderer2.h" />
+    <CustomBuild Include="imgui\backends\imgui_impl_sdlrenderer3.cpp" />
+    <CustomBuild Include="imgui\backends\imgui_impl_sdlrenderer3.h" />
+    <CustomBuild Include="imgui\backends\imgui_impl_vulkan.cpp" />
+    <CustomBuild Include="imgui\backends\imgui_impl_vulkan.h" />
+    <CustomBuild Include="imgui\backends\imgui_impl_wgpu.cpp" />
+    <CustomBuild Include="imgui\backends\imgui_impl_wgpu.h" />
+    <CustomBuild Include="imgui\backends\imgui_impl_win32.cpp" />
+    <CustomBuild Include="imgui\backends\imgui_impl_win32.h" />
+    <CustomBuild Include="imgui\examples\example_allegro5\imconfig_allegro5.h" />
+    <CustomBuild Include="imgui\examples\example_allegro5\main.cpp" />
+    <CustomBuild Include="imgui\examples\example_android_opengl3\main.cpp" />
+    <CustomBuild Include="imgui\examples\example_apple_metal\main.mm" />
+    <CustomBuild Include="imgui\examples\example_apple_opengl2\main.mm" />
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+    <CustomBuild Include="imgui\backends\imgui_impl_vulkan.cpp">
+      <Filter>backends</Filter>
+    </CustomBuild>
+    <CustomBuild Include="imgui\backends\imgui_impl_vulkan.h">
+      <Filter>backends</Filter>
+    </CustomBuild>
+    <CustomBuild Include="imgui\backends\imgui_impl_wgpu.cpp">
+      <Filter>backends</Filter>
+    </CustomBuild>
+    <CustomBuild Include="imgui\backends\imgui_impl_wgpu.h">
+      <Filter>backends</Filter>
+    </CustomBuild>
+    <CustomBuild Include="imgui\backends\imgui_impl_win32.cpp">
+      <Filter>backends</Filter>
+    </CustomBuild>
+    <CustomBuild Include="imgui\backends\imgui_impl_win32.h">
+      <Filter>backends</Filter>
+    </CustomBuild>
+    <CustomBuild Include="imgui\examples\example_allegro5\imconfig_allegro5.h">
+      <Filter>examples\example_allegro5</Filter>
+    </CustomBuild>
+    <CustomBuild Include="imgui\examples\example_allegro5\main.cpp">
+      <Filter>examples\example_allegro5</Filter>
+    </CustomBuild>
+    <CustomBuild Include="imgui\examples\example_android_opengl3\main.cpp">
+      <Filter>examples\example_android_opengl3</Filter>
+    </CustomBuild>
+    <CustomBuild Include="imgui\examples\example_apple_metal\main.mm">
+      <Filter>examples\example_apple_metal</Filter>
+    </CustomBuild>
+    <CustomBuild Include="imgui\examples\example_apple_opengl2\main.mm">
+      <Filter>examples\example_apple_opengl2</Filter>
+    </CustomBuild>
+    <CustomBuild Include="imgui\examples\example_glfw_metal\main.mm">
+      <Filter>examples\example_glfw_metal</Filter>
+    </CustomBuild>
+    <CustomBuild Include="imgui\examples\example_glfw_opengl2\main.cpp">
+      <Filter>examples\example_glfw_opengl2</Filter>
+    </CustomBuild>
+    <CustomBuild Include="imgui\examples\example_glfw_opengl3\main.cpp">
+      <Filter>examples\example_glfw_opengl3</Filter>
+    </CustomBuild>
+    <CustomBuild Include="imgui\examples\example_glfw_vulkan\main.cpp">
+      <Filter>examples\example_glfw_vulkan</Filter>
+    </CustomBuild>
+    <CustomBuild Include="imgui\examples\example_glfw_wgpu\main.cpp">
+      <Filter>examples\example_glfw_wgpu</Filter>
+    </CustomBuild>
+    <CustomBuild Include="imgui\examples\example_glut_opengl2\main.cpp">
+      <Filter>examples\example_glut_opengl2</Filter>
+    </CustomBuild>
+    <CustomBuild Include="imgui\examples\example_null\main.cpp">
+      <Filter>examples\example_null</Filter>
+    </CustomBuild>
+    <CustomBuild Include="imgui\examples\example_sdl2_directx11\main.cpp">
+      <Filter>examples\example_sdl2_directx11</Filter>
+    </CustomBuild>
+    <CustomBuild Include="imgui\examples\example_sdl2_metal\main.mm">
+      <Filter>examples\example_sdl2_metal</Filter>
+    </CustomBuild>
+    <CustomBuild Include="imgui\examples\example_sdl2_opengl2\main.cpp">
+      <Filter>examples\example_sdl2_opengl2</Filter>
+    </CustomBuild>
+    <CustomBuild Include="imgui\examples\example_sdl2_opengl3\main.cpp">
+      <Filter>examples\example_sdl2_opengl3</Filter>
+    </CustomBuild>
+    <CustomBuild Include="imgui\examples\example_sdl2_sdlrenderer2\main.cpp">
+      <Filter>examples\example_sdl2_sdlrenderer2</Filter>
+    </CustomBuild>
+    <CustomBuild Include="imgui\examples\example_sdl2_vulkan\main.cpp">
+      <Filter>examples\example_sdl2_vulkan</Filter>
+    </CustomBuild>
+    <CustomBuild Include="imgui\examples\example_sdl2_wgpu\main.cpp">
+      <Filter>examples\example_sdl2_wgpu</Filter>
+    </CustomBuild>
+    <CustomBuild Include="imgui\examples\example_sdl3_directx11\main.cpp">
+      <Filter>examples\example_sdl3_directx11</Filter>
+    </CustomBuild>
+    <CustomBuild Include="imgui\examples\example_sdl3_metal\main.mm">
+      <Filter>examples\example_sdl3_metal</Filter>
+    </CustomBuild>
+    <CustomBuild Include="imgui\examples\example_sdl3_opengl3\main.cpp">
+      <Filter>examples\example_sdl3_opengl3</Filter>
+    </CustomBuild>
+    <CustomBuild Include="imgui\examples\example_sdl3_sdlgpu3\main.cpp">
+      <Filter>examples\example_sdl3_sdlgpu3</Filter>
+    </CustomBuild>
+    <CustomBuild Include="imgui\examples\example_sdl3_sdlrenderer3\main.cpp">
+      <Filter>examples\example_sdl3_sdlrenderer3</Filter>
+    </CustomBuild>
+    <CustomBuild Include="imgui\examples\example_sdl3_vulkan\main.cpp">
+      <Filter>examples\example_sdl3_vulkan</Filter>
+    </CustomBuild>
+    <CustomBuild Include="imgui\examples\example_sdl3_wgpu\main.cpp">
+      <Filter>examples\example_sdl3_wgpu</Filter>
+    </CustomBuild>
+    <CustomBuild Include="imgui\examples\example_win32_directx10\main.cpp">
+      <Filter>examples\example_win32_directx10</Filter>
+    </CustomBuild>
+    <CustomBuild Include="imgui\examples\example_win32_directx11\main.cpp">
+      <Filter>examples\example_win32_directx11</Filter>
+    </CustomBuild>
+    <CustomBuild Include="imgui\examples\example_win32_directx12\main.cpp">
+      <Filter>examples\example_win32_directx12</Filter>
+    </CustomBuild>
+    <CustomBuild Include="imgui\examples\example_win32_directx9\main.cpp">
+      <Filter>examples\example_win32_directx9</Filter>
+    </CustomBuild>
+    <CustomBuild Include="imgui\examples\example_win32_opengl3\main.cpp">
+      <Filter>examples\example_win32_opengl3</Filter>
+    </CustomBuild>
+    <CustomBuild Include="imgui\examples\example_win32_vulkan\main.cpp">
+      <Filter>examples\example_win32_vulkan</Filter>
+    </CustomBuild>
+    <CustomBuild Include="imgui\examples\libs\emscripten\emscripten_mainloop_stub.h">
+      <Filter>examples\libs\emscripten</Filter>
+    </CustomBuild>
+    <CustomBuild Include="imgui\examples\libs\glfw\include\GLFW\glfw3.h">
+      <Filter>examples\libs\glfw\include\GLFW</Filter>
+    </CustomBuild>
+    <CustomBuild Include="imgui\examples\libs\glfw\include\GLFW\glfw3native.h">
+      <Filter>examples\libs\glfw\include\GLFW</Filter>
+    </CustomBuild>
+    <CustomBuild Include="imgui\examples\libs\usynergy\uSynergy.c">
+      <Filter>examples\libs\usynergy</Filter>
+    </CustomBuild>
+    <CustomBuild Include="imgui\examples\libs\usynergy\uSynergy.h">
+      <Filter>examples\libs\usynergy</Filter>
+    </CustomBuild>
+    <CustomBuild Include="imgui\imconfig.h">
+    </CustomBuild>
+    <CustomBuild Include="imgui\imgui.cpp">
+    </CustomBuild>
+    <CustomBuild Include="imgui\imgui.h">
+    </CustomBuild>
+    <CustomBuild Include="imgui\imgui_demo.cpp">
+    </CustomBuild>
+    <CustomBuild Include="imgui\imgui_draw.cpp">
+    </CustomBuild>
+    <CustomBuild Include="imgui\imgui_internal.h">
+    </CustomBuild>
+    <CustomBuild Include="imgui\imgui_tables.cpp">
+    </CustomBuild>
+    <CustomBuild Include="imgui\imgui_widgets.cpp">
+    </CustomBuild>
+    <CustomBuild Include="imgui\imstb_rectpack.h">
+    </CustomBuild>
+    <CustomBuild Include="imgui\imstb_textedit.h">
+    </CustomBuild>
+    <CustomBuild Include="imgui\imstb_truetype.h">
+    </CustomBuild>
+    <CustomBuild Include="imgui\misc\cpp\imgui_stdlib.cpp">
+      <Filter>misc\cpp</Filter>
+    </CustomBuild>
+    <CustomBuild Include="imgui\misc\cpp\imgui_stdlib.h">
+      <Filter>misc\cpp</Filter>
+    </CustomBuild>
+    <CustomBuild Include="imgui\misc\debuggers\imgui.natvis">
+      <Filter>misc\debuggers</Filter>
+    </CustomBuild>
+    <CustomBuild Include="imgui\misc\fonts\binary_to_compressed_c.cpp">
+      <Filter>misc\fonts</Filter>
+    </CustomBuild>
+    <CustomBuild Include="imgui\misc\freetype\imgui_freetype.cpp">
+      <Filter>misc\freetype</Filter>
+    </CustomBuild>
+    <CustomBuild Include="imgui\misc\freetype\imgui_freetype.h">
+      <Filter>misc\freetype</Filter>
+    </CustomBuild>
+    <CustomBuild Include="imgui\misc\single_file\imgui_single_file.h">
+      <Filter>misc\single_file</Filter>
+    </CustomBuild>
+  </ItemGroup>
+  <ItemGroup>
+    <Filter Include="backends">
+      <UniqueIdentifier>{76e0cd46-6c94-4f93-bc2a-7f5284b7d434}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <Filter Include="examples\example_allegro5">
+      <UniqueIdentifier>{afb95218-6c94-4f93-bc2a-7f5284b7d434}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <Filter Include="examples">
+      <UniqueIdentifier>{1f18bf0c-6c94-4f93-bc2a-7f5284b7d434}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <Filter Include="examples\example_android_opengl3">
+      <UniqueIdentifier>{e530954e-6c94-4f93-bc2a-7f5284b7d434}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <Filter Include="examples\example_apple_metal">
+      <UniqueIdentifier>{16c31149-6c94-4f93-bc2a-7f5284b7d434}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <Filter Include="examples\example_apple_opengl2">
+      <UniqueIdentifier>{e40593b1-6c94-4f93-bc2a-7f5284b7d434}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <Filter Include="examples\example_glfw_metal">
+      <UniqueIdentifier>{3f752825-6c94-4f93-bc2a-7f5284b7d434}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <Filter Include="examples\example_glfw_opengl2">
+      <UniqueIdentifier>{c215e32a-6c94-4f93-bc2a-7f5284b7d434}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <Filter Include="examples\example_glfw_opengl3">
+      <UniqueIdentifier>{615ff294-6c94-4f93-bc2a-7f5284b7d434}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <Filter Include="examples\example_glfw_vulkan">
+      <UniqueIdentifier>{61582fc8-6c94-4f93-bc2a-7f5284b7d434}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <Filter Include="examples\example_glfw_wgpu">
+      <UniqueIdentifier>{a31b119a-6c94-4f93-bc2a-7f5284b7d434}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <Filter Include="examples\example_glut_opengl2">
+      <UniqueIdentifier>{01ccd54d-6c94-4f93-bc2a-7f5284b7d434}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <Filter Include="examples\example_null">
+      <UniqueIdentifier>{f4c8b947-6c94-4f93-bc2a-7f5284b7d434}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <Filter Include="examples\example_sdl2_directx11">
+      <UniqueIdentifier>{f2d77d32-6c94-4f93-bc2a-7f5284b7d434}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <Filter Include="examples\example_sdl2_metal">
+      <UniqueIdentifier>{776017f1-6c94-4f93-bc2a-7f5284b7d434}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <Filter Include="examples\example_sdl2_opengl2">
+      <UniqueIdentifier>{4d812b44-6c94-4f93-bc2a-7f5284b7d434}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <Filter Include="examples\example_sdl2_opengl3">
+      <UniqueIdentifier>{7be81d1f-6c94-4f93-bc2a-7f5284b7d434}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <Filter Include="examples\example_sdl2_sdlrenderer2">
+      <UniqueIdentifier>{e190514e-6c94-4f93-bc2a-7f5284b7d434}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <Filter Include="examples\example_sdl2_vulkan">
+      <UniqueIdentifier>{a2cc40a8-6c94-4f93-bc2a-7f5284b7d434}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <Filter Include="examples\example_sdl2_wgpu">
+      <UniqueIdentifier>{8777abc2-6c94-4f93-bc2a-7f5284b7d434}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <Filter Include="examples\example_sdl3_directx11">
+      <UniqueIdentifier>{b9c33cde-6c94-4f93-bc2a-7f5284b7d434}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <Filter Include="examples\example_sdl3_metal">
+      <UniqueIdentifier>{4dc8b8c8-6c94-4f93-bc2a-7f5284b7d434}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <Filter Include="examples\example_sdl3_opengl3">
+      <UniqueIdentifier>{3b7dda38-6c94-4f93-bc2a-7f5284b7d434}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <Filter Include="examples\example_sdl3_sdlgpu3">
+      <UniqueIdentifier>{2505aa94-6c94-4f93-bc2a-7f5284b7d434}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <Filter Include="examples\example_sdl3_sdlrenderer3">
+      <UniqueIdentifier>{da535992-6c94-4f93-bc2a-7f5284b7d434}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <Filter Include="examples\example_sdl3_vulkan">
+      <UniqueIdentifier>{bc5700b1-6c94-4f93-bc2a-7f5284b7d434}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <Filter Include="examples\example_sdl3_wgpu">
+      <UniqueIdentifier>{b3511882-6c94-4f93-bc2a-7f5284b7d434}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <Filter Include="examples\example_win32_directx10">
+      <UniqueIdentifier>{ffdcc484-6c94-4f93-bc2a-7f5284b7d434}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <Filter Include="examples\example_win32_directx11">
+      <UniqueIdentifier>{1ec285ef-6c94-4f93-bc2a-7f5284b7d434}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <Filter Include="examples\example_win32_directx12">
+      <UniqueIdentifier>{9c32029b-6c94-4f93-bc2a-7f5284b7d434}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <Filter Include="examples\example_win32_directx9">
+      <UniqueIdentifier>{c1caea97-6c94-4f93-bc2a-7f5284b7d434}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <Filter Include="examples\example_win32_opengl3">
+      <UniqueIdentifier>{b1ac1dca-6c94-4f93-bc2a-7f5284b7d434}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <Filter Include="examples\example_win32_vulkan">
+      <UniqueIdentifier>{81f39c9e-6c94-4f93-bc2a-7f5284b7d434}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <Filter Include="examples\libs\emscripten">
+      <UniqueIdentifier>{deff277e-6c94-4f93-bc2a-7f5284b7d434}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <Filter Include="examples\libs">
+      <UniqueIdentifier>{4df04038-6c94-4f93-bc2a-7f5284b7d434}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <Filter Include="examples\libs\glfw\include\GLFW">
+      <UniqueIdentifier>{f6903215-6c94-4f93-bc2a-7f5284b7d434}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <Filter Include="examples\libs\glfw\include">
+      <UniqueIdentifier>{114c63d2-6c94-4f93-bc2a-7f5284b7d434}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <Filter Include="examples\libs\glfw">
+      <UniqueIdentifier>{012e170c-6c94-4f93-bc2a-7f5284b7d434}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <Filter Include="examples\libs\usynergy">
+      <UniqueIdentifier>{269d74cc-6c94-4f93-bc2a-7f5284b7d434}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <Filter Include="misc\cpp">
+      <UniqueIdentifier>{405959db-6c94-4f93-bc2a-7f5284b7d434}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <Filter Include="misc">
+      <UniqueIdentifier>{0496d0b7-6c94-4f93-bc2a-7f5284b7d434}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <Filter Include="misc\debuggers">
+      <UniqueIdentifier>{68d63fa2-6c94-4f93-bc2a-7f5284b7d434}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <Filter Include="misc\fonts">
+      <UniqueIdentifier>{ae5b8b78-6c94-4f93-bc2a-7f5284b7d434}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <Filter Include="misc\freetype">
+      <UniqueIdentifier>{c72c0104-6c94-4f93-bc2a-7f5284b7d434}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <Filter Include="misc\single_file">
+      <UniqueIdentifier>{2ce20248-6c94-4f93-bc2a-7f5284b7d434}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+</Project>

External/Imgui.bff

@@ -0,0 +1,78 @@
+// ImGui - DLL
+//------------------------------------------------------------------------------
+{
+    .ProjectName        = 'ImGui'
+    .ProjectPath        = 'External/imgui'
+
+    // Library
+    //--------------------------------------------------------------------------
+    ForEach( .BuildConfig in .BuildConfigs )
+    {
+        Using( .BuildConfig )
+        .OutputBase + '\$Platform$-$BuildConfigName$'
+
+        // ObjectList (no Unity for external code)
+        //--------------------------------------------------------------------------
+        ObjectList( '$ProjectName$-Objs-$Platform$-$BuildConfigName$' )
+        {
+            // Core ImGui files
+            .CompilerInputFiles = {
+                '$ProjectPath$/imgui.cpp',
+                '$ProjectPath$/imgui_demo.cpp',
+                '$ProjectPath$/imgui_draw.cpp',
+                '$ProjectPath$/imgui_tables.cpp',
+                '$ProjectPath$/imgui_widgets.cpp',
+                // Backends
+                '$ProjectPath$/backends/imgui_impl_win32.cpp',
+                '$ProjectPath$/backends/imgui_impl_dx12.cpp'
+            }
+
+            // Extra Compiler Options
+            .CompilerOptions            + ' "-I$ProjectPath$"'
+                                        + ' "-I$ProjectPath$/backends"'
+            .CompilerOptions            + ' -DIMGUI_API=__declspec(dllexport)'
+                                        + ' /wd4365'  // signed/unsigned mismatch
+                                        + ' /wd5219'  // implicit conversion to float
+                                        + ' -WX-'     // disable warnings as errors for external code
+
+            // Output
+            .CompilerOutputPath         = '$OutputBase$/$ProjectName$/'
+        }
+
+        // --- DLL BUILD ---
+        DLL( '$ProjectName$-Lib-$Platform$-$BuildConfigName$' )
+        {
+            .Libraries      = { '$ProjectName$-Objs-$Platform$-$BuildConfigName$' }
+
+            .LinkerOutput   = '$BinPath$/$Platform$-$BuildConfigName$/$ProjectName$.dll'
+
+            #if __WINDOWS__
+                .LinkerOptions          + ' /DLL'
+                .LinkerOptions          + .CommonWinLibs
+
+                .CRTLibs = .CRTLibs_Dynamic
+                If ( .BuildConfigName == 'Debug' )
+                {
+                    ^CRTLibs = .CRTLibs_DynamicDebug
+                }
+                .LinkerOptions          + .CRTLibs
+            #endif
+        }
+
+        Alias( '$ProjectName$-$Platform$-$BuildConfigName$' ) { .Targets = '$ProjectName$-Lib-$Platform$-$BuildConfigName$' }
+        ^'Targets_$Platform$_$BuildConfigName$' + { '$ProjectName$-$Platform$-$BuildConfigName$' }
+
+        #if __WINDOWS__
+            .ProjectConfig              = [ Using( .'Project_$Platform$_$BuildConfigName$' ) .Target = '$ProjectName$-$Platform$-$BuildConfigName$' ]
+            ^ProjectConfigs             + .ProjectConfig
+        #endif
+    }
+
+    VCXProject( '$ProjectName$' )
+    {
+        .ProjectOutput              = 'External/$ProjectName$.vcxproj'
+        .ProjectBasePath            = '$ProjectPath$/'
+        .ProjectInputPaths          = .ProjectBasePath
+        .ProjectConfigs             = .ProjectConfigs
+    }
+}

Game/Entity/Entity.h

@@ -9,7 +9,7 @@
 #include <type_traits>
 
 // Add any new fields into the concept below
-#define DECLARE_ENTITY()                                                                                         \
+#define DECLARE_ENTITY()                                                                                               \
     Entity*                     Base;                                                                                  \
     static const Juliet::Class* Kind;
 
@@ -18,8 +18,6 @@
     constexpr Juliet::Class entityKind##entity(#entity, sizeof(#entity) / sizeof(char));                               \
     const Juliet::Class*    entity::Kind = &entityKind##entity;
 
-
-
 namespace Game
 {
     using DerivedType = void*;
@@ -49,9 +47,9 @@ namespace Game
         requires EntityConcept<EntityType>
     EntityType* MakeEntity(EntityManager& manager, float x, float y)
     {
-        auto* arena = Juliet::GetGameArena();
-        EntityType* result = Juliet::ArenaPushType<EntityType>(arena);
-        Entity*     base = result->Base = Juliet::ArenaPushType<Entity>(arena);
+        auto*       arena  = Juliet::GetGameArena();
+        EntityType* result = Juliet::ArenaPushType<EntityType>(arena, ConstString("EntityType"));
+        Entity*     base = result->Base = Juliet::ArenaPushType<Entity>(arena, ConstString("Entity"));
         base->X                         = x;
         base->Y                         = y;
         base->Derived                   = result;

Game/Game.vcxproj

@@ -49,6 +49,30 @@
       <Configuration>x64Clang-Release</Configuration>
       <Platform>x64</Platform>
     </ProjectConfiguration>
+    <ProjectConfiguration Include="x64-Debug|x64">
+      <Configuration>x64-Debug</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="x64-Profile|x64">
+      <Configuration>x64-Profile</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="x64-Release|x64">
+      <Configuration>x64-Release</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="x64Clang-Debug|x64">
+      <Configuration>x64Clang-Debug</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="x64Clang-Profile|x64">
+      <Configuration>x64Clang-Profile</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="x64Clang-Release|x64">
+      <Configuration>x64Clang-Release</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
   </ItemGroup>
   <ItemGroup>
     <CustomBuild Include="Entity\Entity.h" />
@@ -136,6 +160,42 @@
     <PlatformToolset>v143</PlatformToolset>
     <LocalDebuggerCommand>$(SolutionDir)\bin\$(Configuration)\$(ProjectName).exe</LocalDebuggerCommand>
   </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='x64-Debug|x64'" Label="Configuration">
+    <ConfigurationType>Makefile</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <PlatformToolset>v143</PlatformToolset>
+    <LocalDebuggerCommand>$(SolutionDir)\bin\$(Configuration)\$(ProjectName).exe</LocalDebuggerCommand>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='x64-Profile|x64'" Label="Configuration">
+    <ConfigurationType>Makefile</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <PlatformToolset>v143</PlatformToolset>
+    <LocalDebuggerCommand>$(SolutionDir)\bin\$(Configuration)\$(ProjectName).exe</LocalDebuggerCommand>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='x64-Release|x64'" Label="Configuration">
+    <ConfigurationType>Makefile</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <PlatformToolset>v143</PlatformToolset>
+    <LocalDebuggerCommand>$(SolutionDir)\bin\$(Configuration)\$(ProjectName).exe</LocalDebuggerCommand>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='x64Clang-Debug|x64'" Label="Configuration">
+    <ConfigurationType>Makefile</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <PlatformToolset>v143</PlatformToolset>
+    <LocalDebuggerCommand>$(SolutionDir)\bin\$(Configuration)\$(ProjectName).exe</LocalDebuggerCommand>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='x64Clang-Profile|x64'" Label="Configuration">
+    <ConfigurationType>Makefile</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <PlatformToolset>v143</PlatformToolset>
+    <LocalDebuggerCommand>$(SolutionDir)\bin\$(Configuration)\$(ProjectName).exe</LocalDebuggerCommand>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='x64Clang-Release|x64'" Label="Configuration">
+    <ConfigurationType>Makefile</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <PlatformToolset>v143</PlatformToolset>
+    <LocalDebuggerCommand>$(SolutionDir)\bin\$(Configuration)\$(ProjectName).exe</LocalDebuggerCommand>
+  </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
   </ImportGroup>
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     <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
   </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='x64-Debug|x64'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='x64-Profile|x64'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='x64-Release|x64'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='x64Clang-Debug|x64'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='x64Clang-Profile|x64'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='x64Clang-Release|x64'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='x64-Debug|x64'">
     <NMakeBuildCommandLine>cd $(SolutionDir) &amp; misc\fbuild -ide -dist -monitor -cache $(ProjectName)-$(Configuration)</NMakeBuildCommandLine>
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-    <NMakeIncludeSearchPath>..\;..\Juliet\include;..\Juliet\src;C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.44.35207\include\;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\ucrt;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\um;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\shared;</NMakeIncludeSearchPath>
+    <NMakePreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;_UNICODE;UNICODE;WIN32_LEAN_AND_MEAN;WIN32;_WIN32;__WINDOWS__;_HAS_EXCEPTIONS=0;WIN64;DEBUG;PROFILING_ENABLED;JULIET_ENABLE_IMGUI;IMGUI_API=__declspec(dllexport);</NMakePreprocessorDefinitions>
+    <NMakeIncludeSearchPath>..\;..\External\imgui;..\External\imgui\backends;C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.44.35207\include\;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\ucrt;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\um;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\shared;</NMakeIncludeSearchPath>
+    <AdditionalOptions>/std:c++20 /wd5267 /wd4061 /wd4505 /wd4514 /wd4577 /wd4625 /wd4710 /wd4711 /wd4746 /wd4820 /wd5045 /wd5220 /wd5245 /wd4365 /wd5219 </AdditionalOptions>
+    <LocalDebuggerWorkingDirectory>$(SolutionDir)\bin\$(Configuration)\</LocalDebuggerWorkingDirectory>
+    <IntDir>$(SolutionDir)\Intermediate</IntDir>
+    <OutDir>$(SolutionDir)\bin</OutDir>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='x64-Profile|x64'">
+    <NMakeBuildCommandLine>cd $(SolutionDir) &amp; misc\fbuild -ide -dist -monitor -cache $(ProjectName)-$(Configuration)</NMakeBuildCommandLine>
+    <NMakeReBuildCommandLine>cd $(SolutionDir) &amp; misc\fbuild -ide -dist -monitor -cache -clean $(ProjectName)-$(Configuration)</NMakeReBuildCommandLine>
+    <NMakePreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;_UNICODE;UNICODE;WIN32_LEAN_AND_MEAN;WIN32;_WIN32;__WINDOWS__;_HAS_EXCEPTIONS=0;WIN64;RELEASE;PROFILING_ENABLED;IMGUI_API=__declspec(dllexport);</NMakePreprocessorDefinitions>
+    <NMakeIncludeSearchPath>..\;..\External\imgui;..\External\imgui\backends;C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.44.35207\include\;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\ucrt;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\um;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\shared;</NMakeIncludeSearchPath>
+    <AdditionalOptions>/std:c++20 /wd5267 /wd4061 /wd4505 /wd4514 /wd4577 /wd4625 /wd4710 /wd4711 /wd4746 /wd4820 /wd5045 /wd5220 /wd5245 /wd4365 /wd5219 </AdditionalOptions>
+    <LocalDebuggerWorkingDirectory>$(SolutionDir)\bin\$(Configuration)\</LocalDebuggerWorkingDirectory>
+    <IntDir>$(SolutionDir)\Intermediate</IntDir>
+    <OutDir>$(SolutionDir)\bin</OutDir>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='x64-Release|x64'">
+    <NMakeBuildCommandLine>cd $(SolutionDir) &amp; misc\fbuild -ide -dist -monitor -cache $(ProjectName)-$(Configuration)</NMakeBuildCommandLine>
+    <NMakeReBuildCommandLine>cd $(SolutionDir) &amp; misc\fbuild -ide -dist -monitor -cache -clean $(ProjectName)-$(Configuration)</NMakeReBuildCommandLine>
+    <NMakePreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;_UNICODE;UNICODE;WIN32_LEAN_AND_MEAN;WIN32;_WIN32;__WINDOWS__;_HAS_EXCEPTIONS=0;WIN64;RELEASE;IMGUI_API=__declspec(dllexport);</NMakePreprocessorDefinitions>
+    <NMakeIncludeSearchPath>..\;..\External\imgui;..\External\imgui\backends;C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.44.35207\include\;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\ucrt;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\um;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\shared;</NMakeIncludeSearchPath>
+    <AdditionalOptions>/std:c++20 /wd5267 /wd4061 /wd4505 /wd4514 /wd4577 /wd4625 /wd4710 /wd4711 /wd4746 /wd4820 /wd5045 /wd5220 /wd5245 /wd4365 /wd5219 </AdditionalOptions>
+    <LocalDebuggerWorkingDirectory>$(SolutionDir)\bin\$(Configuration)\</LocalDebuggerWorkingDirectory>
+    <IntDir>$(SolutionDir)\Intermediate</IntDir>
+    <OutDir>$(SolutionDir)\bin</OutDir>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='x64Clang-Debug|x64'">
+    <NMakeBuildCommandLine>cd $(SolutionDir) &amp; misc\fbuild -ide -dist -monitor -cache $(ProjectName)-$(Configuration)</NMakeBuildCommandLine>
+    <NMakeReBuildCommandLine>cd $(SolutionDir) &amp; misc\fbuild -ide -dist -monitor -cache -clean $(ProjectName)-$(Configuration)</NMakeReBuildCommandLine>
+    <NMakePreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;_UNICODE;UNICODE;WIN32_LEAN_AND_MEAN;WIN32;_WIN32;__WINDOWS__;_HAS_EXCEPTIONS=0;WIN64;DEBUG;PROFILING_ENABLED;JULIET_ENABLE_IMGUI;IMGUI_API=__declspec(dllexport);</NMakePreprocessorDefinitions>
+    <NMakeIncludeSearchPath>..\;..\External\imgui;..\External\imgui\backends;C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.44.35207\include\;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\ucrt;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\um;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\shared;</NMakeIncludeSearchPath>
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+    <LocalDebuggerWorkingDirectory>$(SolutionDir)\bin\$(Configuration)\</LocalDebuggerWorkingDirectory>
+    <IntDir>$(SolutionDir)\Intermediate</IntDir>
+    <OutDir>$(SolutionDir)\bin</OutDir>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='x64Clang-Profile|x64'">
+    <NMakeBuildCommandLine>cd $(SolutionDir) &amp; misc\fbuild -ide -dist -monitor -cache $(ProjectName)-$(Configuration)</NMakeBuildCommandLine>
+    <NMakeReBuildCommandLine>cd $(SolutionDir) &amp; misc\fbuild -ide -dist -monitor -cache -clean $(ProjectName)-$(Configuration)</NMakeReBuildCommandLine>
+    <NMakePreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;_UNICODE;UNICODE;WIN32_LEAN_AND_MEAN;WIN32;_WIN32;__WINDOWS__;_HAS_EXCEPTIONS=0;WIN64;RELEASE;PROFILING_ENABLED;IMGUI_API=__declspec(dllexport);</NMakePreprocessorDefinitions>
+    <NMakeIncludeSearchPath>..\;..\External\imgui;..\External\imgui\backends;C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.44.35207\include\;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\ucrt;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\um;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\shared;</NMakeIncludeSearchPath>
+    <AdditionalOptions>/std:c++20 /wd5267 /wd4061 /wd4505 /wd4514 /wd4577 /wd4625 /wd4710 /wd4711 /wd4746 /wd4820 /wd5045 /wd5220 /wd5245 /wd4365 /wd5219 </AdditionalOptions>
+    <LocalDebuggerWorkingDirectory>$(SolutionDir)\bin\$(Configuration)\</LocalDebuggerWorkingDirectory>
+    <IntDir>$(SolutionDir)\Intermediate</IntDir>
+    <OutDir>$(SolutionDir)\bin</OutDir>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='x64Clang-Release|x64'">
+    <NMakeBuildCommandLine>cd $(SolutionDir) &amp; misc\fbuild -ide -dist -monitor -cache $(ProjectName)-$(Configuration)</NMakeBuildCommandLine>
+    <NMakeReBuildCommandLine>cd $(SolutionDir) &amp; misc\fbuild -ide -dist -monitor -cache -clean $(ProjectName)-$(Configuration)</NMakeReBuildCommandLine>
+    <NMakePreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;_UNICODE;UNICODE;WIN32_LEAN_AND_MEAN;WIN32;_WIN32;__WINDOWS__;_HAS_EXCEPTIONS=0;WIN64;RELEASE;IMGUI_API=__declspec(dllexport);</NMakePreprocessorDefinitions>
+    <NMakeIncludeSearchPath>..\;..\External\imgui;..\External\imgui\backends;C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.44.35207\include\;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\ucrt;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\um;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\shared;</NMakeIncludeSearchPath>
+    <AdditionalOptions>/std:c++20 /wd5267 /wd4061 /wd4505 /wd4514 /wd4577 /wd4625 /wd4710 /wd4711 /wd4746 /wd4820 /wd5045 /wd5220 /wd5245 /wd4365 /wd5219 </AdditionalOptions>
+    <LocalDebuggerWorkingDirectory>$(SolutionDir)\bin\$(Configuration)\</LocalDebuggerWorkingDirectory>
+    <IntDir>$(SolutionDir)\Intermediate</IntDir>
+    <OutDir>$(SolutionDir)\bin</OutDir>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='x64-Debug|x64'">
+    <NMakeBuildCommandLine>cd $(SolutionDir) &amp; misc\fbuild -ide -dist -monitor -cache $(ProjectName)-$(Configuration)</NMakeBuildCommandLine>
+    <NMakeReBuildCommandLine>cd $(SolutionDir) &amp; misc\fbuild -ide -dist -monitor -cache -clean $(ProjectName)-$(Configuration)</NMakeReBuildCommandLine>
+    <NMakePreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;_UNICODE;UNICODE;WIN32_LEAN_AND_MEAN;WIN32;_WIN32;__WINDOWS__;_HAS_EXCEPTIONS=0;WIN64;DEBUG;PROFILING_ENABLED;JULIET_ENABLE_IMGUI;JULIET_EXPORT;JULIET_WIN32;</NMakePreprocessorDefinitions>
+    <NMakeIncludeSearchPath>..\;..\Juliet\include;..\Juliet\src;..\External\imgui;..\External\imgui\backends;C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.44.35207\include\;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\ucrt;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\um;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\shared;</NMakeIncludeSearchPath>
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+    <NMakeIncludeSearchPath>..\;..\Juliet\include;..\Juliet\src;..\External\imgui;..\External\imgui\backends;C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.44.35207\include\;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\ucrt;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\um;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\shared;</NMakeIncludeSearchPath>
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+    <NMakeIncludeSearchPath>..\;..\Juliet\include;..\Juliet\src;..\External\imgui;..\External\imgui\backends;C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.44.35207\include\;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\ucrt;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\um;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\shared;</NMakeIncludeSearchPath>
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+    <NMakePreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;_UNICODE;UNICODE;WIN32_LEAN_AND_MEAN;WIN32;_WIN32;__WINDOWS__;_HAS_EXCEPTIONS=0;WIN64;DEBUG;PROFILING_ENABLED;JULIET_ENABLE_IMGUI;JULIET_EXPORT;JULIET_WIN32;</NMakePreprocessorDefinitions>
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-    <NMakeIncludeSearchPath>..\;..\Juliet\include;..\Juliet\src;C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.44.35207\include\;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\ucrt;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\um;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\shared;</NMakeIncludeSearchPath>
+    <NMakeIncludeSearchPath>..\;..\Juliet\include;..\Juliet\src;..\External\imgui;..\External\imgui\backends;C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.44.35207\include\;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\ucrt;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\um;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\shared;</NMakeIncludeSearchPath>
     <AdditionalOptions>/std:c++20 /wd5267 /wd4061 /wd4505 /wd4514 /wd4577 /wd4625 /wd4710 /wd4711 /wd4746 /wd4820 /wd5045 /wd5220 /wd5245 </AdditionalOptions>
     <LocalDebuggerWorkingDirectory>$(SolutionDir)\bin\$(Configuration)\</LocalDebuggerWorkingDirectory>
     <IntDir>$(SolutionDir)\Intermediate</IntDir>
@@ -239,7 +377,7 @@
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='x64-Debug|x64'">
     <NMakeBuildCommandLine>cd $(SolutionDir) &amp; misc\fbuild -ide -dist -monitor -cache $(ProjectName)-$(Configuration)</NMakeBuildCommandLine>
     <NMakeReBuildCommandLine>cd $(SolutionDir) &amp; misc\fbuild -ide -dist -monitor -cache -clean $(ProjectName)-$(Configuration)</NMakeReBuildCommandLine>
-    <NMakePreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;_UNICODE;UNICODE;WIN32_LEAN_AND_MEAN;WIN32;_WIN32;__WINDOWS__;_HAS_EXCEPTIONS=0;WIN64;DEBUG;PROFILING_ENABLED;JULIET_EXPORT;JULIET_WIN32;</NMakePreprocessorDefinitions>
+    <NMakePreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;_UNICODE;UNICODE;WIN32_LEAN_AND_MEAN;WIN32;_WIN32;__WINDOWS__;_HAS_EXCEPTIONS=0;WIN64;DEBUG;PROFILING_ENABLED;JULIET_ENABLE_IMGUI;JULIET_EXPORT;JULIET_WIN32;</NMakePreprocessorDefinitions>
     <NMakeIncludeSearchPath>..\;..\Juliet\include;..\Game;C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.44.35207\include\;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\ucrt;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\um;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\shared;</NMakeIncludeSearchPath>
     <AdditionalOptions>/std:c++20 /wd5267 /wd4061 /wd4505 /wd4514 /wd4577 /wd4625 /wd4710 /wd4711 /wd4746 /wd4820 /wd5045 /wd5220 /wd5245 </AdditionalOptions>
     <LocalDebuggerWorkingDirectory>$(SolutionDir)\bin\$(Configuration)\</LocalDebuggerWorkingDirectory>
@@ -269,7 +407,7 @@
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='x64Clang-Debug|x64'">
     <NMakeBuildCommandLine>cd $(SolutionDir) &amp; misc\fbuild -ide -dist -monitor -cache $(ProjectName)-$(Configuration)</NMakeBuildCommandLine>
     <NMakeReBuildCommandLine>cd $(SolutionDir) &amp; misc\fbuild -ide -dist -monitor -cache -clean $(ProjectName)-$(Configuration)</NMakeReBuildCommandLine>
-    <NMakePreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;_UNICODE;UNICODE;WIN32_LEAN_AND_MEAN;WIN32;_WIN32;__WINDOWS__;_HAS_EXCEPTIONS=0;WIN64;DEBUG;PROFILING_ENABLED;JULIET_EXPORT;JULIET_WIN32;</NMakePreprocessorDefinitions>
+    <NMakePreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;_UNICODE;UNICODE;WIN32_LEAN_AND_MEAN;WIN32;_WIN32;__WINDOWS__;_HAS_EXCEPTIONS=0;WIN64;DEBUG;PROFILING_ENABLED;JULIET_ENABLE_IMGUI;JULIET_EXPORT;JULIET_WIN32;</NMakePreprocessorDefinitions>
     <NMakeIncludeSearchPath>..\;..\Juliet\include;..\Game;C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.44.35207\include\;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\ucrt;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\um;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\shared;</NMakeIncludeSearchPath>
     <AdditionalOptions>/std:c++20 /wd5267 /wd4061 /wd4505 /wd4514 /wd4577 /wd4625 /wd4710 /wd4711 /wd4746 /wd4820 /wd5045 /wd5220 /wd5245 </AdditionalOptions>
     <LocalDebuggerWorkingDirectory>$(SolutionDir)\bin\$(Configuration)\</LocalDebuggerWorkingDirectory>
@@ -356,6 +494,36 @@
     <Path>$(SolutionDir)\Intermediate\$(ProjectName)-$(Configuration).log</Path>
     </BuildLog>
   </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='x64-Debug|x64'">
+    <BuildLog>
+    <Path>$(SolutionDir)\Intermediate\$(ProjectName)-$(Configuration).log</Path>
+    </BuildLog>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='x64-Profile|x64'">
+    <BuildLog>
+    <Path>$(SolutionDir)\Intermediate\$(ProjectName)-$(Configuration).log</Path>
+    </BuildLog>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='x64-Release|x64'">
+    <BuildLog>
+    <Path>$(SolutionDir)\Intermediate\$(ProjectName)-$(Configuration).log</Path>
+    </BuildLog>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='x64Clang-Debug|x64'">
+    <BuildLog>
+    <Path>$(SolutionDir)\Intermediate\$(ProjectName)-$(Configuration).log</Path>
+    </BuildLog>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='x64Clang-Profile|x64'">
+    <BuildLog>
+    <Path>$(SolutionDir)\Intermediate\$(ProjectName)-$(Configuration).log</Path>
+    </BuildLog>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='x64Clang-Release|x64'">
+    <BuildLog>
+    <Path>$(SolutionDir)\Intermediate\$(ProjectName)-$(Configuration).log</Path>
+    </BuildLog>
+  </ItemDefinitionGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
   </ImportGroup>

Game/game.cpp

@@ -40,7 +40,7 @@ extern "C" JULIET_API void GameInit(GameInitParams* /*params*/)
         int   Score;
     };
 
-    auto* gameState      = ArenaPushType<GameState>(GetGameArena());
+    auto* gameState      = ArenaPushType<GameState>(GetGameArena(), ConstString("GameState"));
     gameState->TotalTime = 0.0f;
     gameState->Score     = 0;
 

Juliet.sln

@@ -1,10 +1,17 @@
-Microsoft Visual Studio Solution File, Format Version 12.00
+Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio 14
 VisualStudioVersion = 14.0.22823.1
 MinimumVisualStudioVersion = 10.0.40219.1
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "ImGui", "External\ImGui.vcxproj", "{C16FFE36-6C94-4F93-BC2A-7F5284B7D434}"
+EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "Game", "Game\Game.vcxproj", "{B1D040D0-6C94-4F93-BC2A-7F5284B7D434}"
 EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "JulietApp", "JulietApp\JulietApp.vcxproj", "{1DEE51CA-6C94-4F93-BC2A-7F5284B7D434}"
+	ProjectSection(ProjectDependencies) = postProject
+		{AB9C7E88-6C94-4F93-BC2A-7F5284B7D434} = {AB9C7E88-6C94-4F93-BC2A-7F5284B7D434}
+		{C16FFE36-6C94-4F93-BC2A-7F5284B7D434} = {C16FFE36-6C94-4F93-BC2A-7F5284B7D434}
+		{B1D040D0-6C94-4F93-BC2A-7F5284B7D434} = {B1D040D0-6C94-4F93-BC2A-7F5284B7D434}
+	EndProjectSection
 EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "Juliet", "Juliet\Juliet.vcxproj", "{AB9C7E88-6C94-4F93-BC2A-7F5284B7D434}"
 EndProject
@@ -13,41 +20,79 @@ Global
 		Debug|x64 = Debug|x64
 		Debug|x64 = Debug|x64
 		Debug|x64 = Debug|x64
+		Debug|x64 = Debug|x64
+		Profile|x64 = Profile|x64
 		Profile|x64 = Profile|x64
 		Profile|x64 = Profile|x64
 		Profile|x64 = Profile|x64
 		Release|x64 = Release|x64
 		Release|x64 = Release|x64
 		Release|x64 = Release|x64
+		Release|x64 = Release|x64
+		Debug|x64Clang = Debug|x64Clang
 		Debug|x64Clang = Debug|x64Clang
 		Debug|x64Clang = Debug|x64Clang
 		Debug|x64Clang = Debug|x64Clang
 		Profile|x64Clang = Profile|x64Clang
 		Profile|x64Clang = Profile|x64Clang
 		Profile|x64Clang = Profile|x64Clang
+		Profile|x64Clang = Profile|x64Clang
+		Release|x64Clang = Release|x64Clang
 		Release|x64Clang = Release|x64Clang
 		Release|x64Clang = Release|x64Clang
 		Release|x64Clang = Release|x64Clang
 	EndGlobalSection
 	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{C16FFE36-6C94-4F93-BC2A-7F5284B7D434}.Debug|x64.ActiveCfg = x64-Debug|x64
+		{C16FFE36-6C94-4F93-BC2A-7F5284B7D434}.Debug|x64.ActiveCfg = x64-Debug|x64
+		{C16FFE36-6C94-4F93-BC2A-7F5284B7D434}.Debug|x64.ActiveCfg = x64-Debug|x64
+		{C16FFE36-6C94-4F93-BC2A-7F5284B7D434}.Debug|x64.ActiveCfg = x64-Debug|x64
+		{C16FFE36-6C94-4F93-BC2A-7F5284B7D434}.Profile|x64.ActiveCfg = x64-Profile|x64
+		{C16FFE36-6C94-4F93-BC2A-7F5284B7D434}.Profile|x64.ActiveCfg = x64-Profile|x64
+		{C16FFE36-6C94-4F93-BC2A-7F5284B7D434}.Profile|x64.ActiveCfg = x64-Profile|x64
+		{C16FFE36-6C94-4F93-BC2A-7F5284B7D434}.Profile|x64.ActiveCfg = x64-Profile|x64
+		{C16FFE36-6C94-4F93-BC2A-7F5284B7D434}.Release|x64.ActiveCfg = x64-Release|x64
+		{C16FFE36-6C94-4F93-BC2A-7F5284B7D434}.Release|x64.ActiveCfg = x64-Release|x64
+		{C16FFE36-6C94-4F93-BC2A-7F5284B7D434}.Release|x64.ActiveCfg = x64-Release|x64
+		{C16FFE36-6C94-4F93-BC2A-7F5284B7D434}.Release|x64.ActiveCfg = x64-Release|x64
+		{C16FFE36-6C94-4F93-BC2A-7F5284B7D434}.Debug|x64Clang.ActiveCfg = x64Clang-Debug|x64
+		{C16FFE36-6C94-4F93-BC2A-7F5284B7D434}.Debug|x64Clang.ActiveCfg = x64Clang-Debug|x64
+		{C16FFE36-6C94-4F93-BC2A-7F5284B7D434}.Debug|x64Clang.ActiveCfg = x64Clang-Debug|x64
+		{C16FFE36-6C94-4F93-BC2A-7F5284B7D434}.Debug|x64Clang.ActiveCfg = x64Clang-Debug|x64
+		{C16FFE36-6C94-4F93-BC2A-7F5284B7D434}.Profile|x64Clang.ActiveCfg = x64Clang-Profile|x64
+		{C16FFE36-6C94-4F93-BC2A-7F5284B7D434}.Profile|x64Clang.ActiveCfg = x64Clang-Profile|x64
+		{C16FFE36-6C94-4F93-BC2A-7F5284B7D434}.Profile|x64Clang.ActiveCfg = x64Clang-Profile|x64
+		{C16FFE36-6C94-4F93-BC2A-7F5284B7D434}.Profile|x64Clang.ActiveCfg = x64Clang-Profile|x64
+		{C16FFE36-6C94-4F93-BC2A-7F5284B7D434}.Release|x64Clang.ActiveCfg = x64Clang-Release|x64
+		{C16FFE36-6C94-4F93-BC2A-7F5284B7D434}.Release|x64Clang.ActiveCfg = x64Clang-Release|x64
+		{C16FFE36-6C94-4F93-BC2A-7F5284B7D434}.Release|x64Clang.ActiveCfg = x64Clang-Release|x64
+		{C16FFE36-6C94-4F93-BC2A-7F5284B7D434}.Release|x64Clang.ActiveCfg = x64Clang-Release|x64
+		{B1D040D0-6C94-4F93-BC2A-7F5284B7D434}.Debug|x64.ActiveCfg = x64-Debug|x64
 		{B1D040D0-6C94-4F93-BC2A-7F5284B7D434}.Debug|x64.ActiveCfg = x64-Debug|x64
 		{B1D040D0-6C94-4F93-BC2A-7F5284B7D434}.Debug|x64.ActiveCfg = x64-Debug|x64
 		{B1D040D0-6C94-4F93-BC2A-7F5284B7D434}.Debug|x64.ActiveCfg = x64-Debug|x64
 		{B1D040D0-6C94-4F93-BC2A-7F5284B7D434}.Profile|x64.ActiveCfg = x64-Profile|x64
 		{B1D040D0-6C94-4F93-BC2A-7F5284B7D434}.Profile|x64.ActiveCfg = x64-Profile|x64
 		{B1D040D0-6C94-4F93-BC2A-7F5284B7D434}.Profile|x64.ActiveCfg = x64-Profile|x64
+		{B1D040D0-6C94-4F93-BC2A-7F5284B7D434}.Profile|x64.ActiveCfg = x64-Profile|x64
+		{B1D040D0-6C94-4F93-BC2A-7F5284B7D434}.Release|x64.ActiveCfg = x64-Release|x64
 		{B1D040D0-6C94-4F93-BC2A-7F5284B7D434}.Release|x64.ActiveCfg = x64-Release|x64
 		{B1D040D0-6C94-4F93-BC2A-7F5284B7D434}.Release|x64.ActiveCfg = x64-Release|x64
 		{B1D040D0-6C94-4F93-BC2A-7F5284B7D434}.Release|x64.ActiveCfg = x64-Release|x64
 		{B1D040D0-6C94-4F93-BC2A-7F5284B7D434}.Debug|x64Clang.ActiveCfg = x64Clang-Debug|x64
 		{B1D040D0-6C94-4F93-BC2A-7F5284B7D434}.Debug|x64Clang.ActiveCfg = x64Clang-Debug|x64
 		{B1D040D0-6C94-4F93-BC2A-7F5284B7D434}.Debug|x64Clang.ActiveCfg = x64Clang-Debug|x64
+		{B1D040D0-6C94-4F93-BC2A-7F5284B7D434}.Debug|x64Clang.ActiveCfg = x64Clang-Debug|x64
+		{B1D040D0-6C94-4F93-BC2A-7F5284B7D434}.Profile|x64Clang.ActiveCfg = x64Clang-Profile|x64
 		{B1D040D0-6C94-4F93-BC2A-7F5284B7D434}.Profile|x64Clang.ActiveCfg = x64Clang-Profile|x64
 		{B1D040D0-6C94-4F93-BC2A-7F5284B7D434}.Profile|x64Clang.ActiveCfg = x64Clang-Profile|x64
 		{B1D040D0-6C94-4F93-BC2A-7F5284B7D434}.Profile|x64Clang.ActiveCfg = x64Clang-Profile|x64
 		{B1D040D0-6C94-4F93-BC2A-7F5284B7D434}.Release|x64Clang.ActiveCfg = x64Clang-Release|x64
 		{B1D040D0-6C94-4F93-BC2A-7F5284B7D434}.Release|x64Clang.ActiveCfg = x64Clang-Release|x64
 		{B1D040D0-6C94-4F93-BC2A-7F5284B7D434}.Release|x64Clang.ActiveCfg = x64Clang-Release|x64
+		{B1D040D0-6C94-4F93-BC2A-7F5284B7D434}.Release|x64Clang.ActiveCfg = x64Clang-Release|x64
+		{1DEE51CA-6C94-4F93-BC2A-7F5284B7D434}.Debug|x64.ActiveCfg = x64-Debug|x64
+		{1DEE51CA-6C94-4F93-BC2A-7F5284B7D434}.Debug|x64.Build.0 = x64-Debug|x64
 		{1DEE51CA-6C94-4F93-BC2A-7F5284B7D434}.Debug|x64.ActiveCfg = x64-Debug|x64
 		{1DEE51CA-6C94-4F93-BC2A-7F5284B7D434}.Debug|x64.Build.0 = x64-Debug|x64
 		{1DEE51CA-6C94-4F93-BC2A-7F5284B7D434}.Debug|x64.ActiveCfg = x64-Debug|x64
@@ -60,6 +105,10 @@ Global
 		{1DEE51CA-6C94-4F93-BC2A-7F5284B7D434}.Profile|x64.Build.0 = x64-Profile|x64
 		{1DEE51CA-6C94-4F93-BC2A-7F5284B7D434}.Profile|x64.ActiveCfg = x64-Profile|x64
 		{1DEE51CA-6C94-4F93-BC2A-7F5284B7D434}.Profile|x64.Build.0 = x64-Profile|x64
+		{1DEE51CA-6C94-4F93-BC2A-7F5284B7D434}.Profile|x64.ActiveCfg = x64-Profile|x64
+		{1DEE51CA-6C94-4F93-BC2A-7F5284B7D434}.Profile|x64.Build.0 = x64-Profile|x64
+		{1DEE51CA-6C94-4F93-BC2A-7F5284B7D434}.Release|x64.ActiveCfg = x64-Release|x64
+		{1DEE51CA-6C94-4F93-BC2A-7F5284B7D434}.Release|x64.Build.0 = x64-Release|x64
 		{1DEE51CA-6C94-4F93-BC2A-7F5284B7D434}.Release|x64.ActiveCfg = x64-Release|x64
 		{1DEE51CA-6C94-4F93-BC2A-7F5284B7D434}.Release|x64.Build.0 = x64-Release|x64
 		{1DEE51CA-6C94-4F93-BC2A-7F5284B7D434}.Release|x64.ActiveCfg = x64-Release|x64
@@ -72,6 +121,10 @@ Global
 		{1DEE51CA-6C94-4F93-BC2A-7F5284B7D434}.Debug|x64Clang.Build.0 = x64Clang-Debug|x64
 		{1DEE51CA-6C94-4F93-BC2A-7F5284B7D434}.Debug|x64Clang.ActiveCfg = x64Clang-Debug|x64
 		{1DEE51CA-6C94-4F93-BC2A-7F5284B7D434}.Debug|x64Clang.Build.0 = x64Clang-Debug|x64
+		{1DEE51CA-6C94-4F93-BC2A-7F5284B7D434}.Debug|x64Clang.ActiveCfg = x64Clang-Debug|x64
+		{1DEE51CA-6C94-4F93-BC2A-7F5284B7D434}.Debug|x64Clang.Build.0 = x64Clang-Debug|x64
+		{1DEE51CA-6C94-4F93-BC2A-7F5284B7D434}.Profile|x64Clang.ActiveCfg = x64Clang-Profile|x64
+		{1DEE51CA-6C94-4F93-BC2A-7F5284B7D434}.Profile|x64Clang.Build.0 = x64Clang-Profile|x64
 		{1DEE51CA-6C94-4F93-BC2A-7F5284B7D434}.Profile|x64Clang.ActiveCfg = x64Clang-Profile|x64
 		{1DEE51CA-6C94-4F93-BC2A-7F5284B7D434}.Profile|x64Clang.Build.0 = x64Clang-Profile|x64
 		{1DEE51CA-6C94-4F93-BC2A-7F5284B7D434}.Profile|x64Clang.ActiveCfg = x64Clang-Profile|x64
@@ -84,21 +137,29 @@ Global
 		{1DEE51CA-6C94-4F93-BC2A-7F5284B7D434}.Release|x64Clang.Build.0 = x64Clang-Release|x64
 		{1DEE51CA-6C94-4F93-BC2A-7F5284B7D434}.Release|x64Clang.ActiveCfg = x64Clang-Release|x64
 		{1DEE51CA-6C94-4F93-BC2A-7F5284B7D434}.Release|x64Clang.Build.0 = x64Clang-Release|x64
+		{1DEE51CA-6C94-4F93-BC2A-7F5284B7D434}.Release|x64Clang.ActiveCfg = x64Clang-Release|x64
+		{1DEE51CA-6C94-4F93-BC2A-7F5284B7D434}.Release|x64Clang.Build.0 = x64Clang-Release|x64
+		{AB9C7E88-6C94-4F93-BC2A-7F5284B7D434}.Debug|x64.ActiveCfg = x64-Debug|x64
 		{AB9C7E88-6C94-4F93-BC2A-7F5284B7D434}.Debug|x64.ActiveCfg = x64-Debug|x64
 		{AB9C7E88-6C94-4F93-BC2A-7F5284B7D434}.Debug|x64.ActiveCfg = x64-Debug|x64
 		{AB9C7E88-6C94-4F93-BC2A-7F5284B7D434}.Debug|x64.ActiveCfg = x64-Debug|x64
 		{AB9C7E88-6C94-4F93-BC2A-7F5284B7D434}.Profile|x64.ActiveCfg = x64-Profile|x64
 		{AB9C7E88-6C94-4F93-BC2A-7F5284B7D434}.Profile|x64.ActiveCfg = x64-Profile|x64
 		{AB9C7E88-6C94-4F93-BC2A-7F5284B7D434}.Profile|x64.ActiveCfg = x64-Profile|x64
+		{AB9C7E88-6C94-4F93-BC2A-7F5284B7D434}.Profile|x64.ActiveCfg = x64-Profile|x64
+		{AB9C7E88-6C94-4F93-BC2A-7F5284B7D434}.Release|x64.ActiveCfg = x64-Release|x64
 		{AB9C7E88-6C94-4F93-BC2A-7F5284B7D434}.Release|x64.ActiveCfg = x64-Release|x64
 		{AB9C7E88-6C94-4F93-BC2A-7F5284B7D434}.Release|x64.ActiveCfg = x64-Release|x64
 		{AB9C7E88-6C94-4F93-BC2A-7F5284B7D434}.Release|x64.ActiveCfg = x64-Release|x64
 		{AB9C7E88-6C94-4F93-BC2A-7F5284B7D434}.Debug|x64Clang.ActiveCfg = x64Clang-Debug|x64
 		{AB9C7E88-6C94-4F93-BC2A-7F5284B7D434}.Debug|x64Clang.ActiveCfg = x64Clang-Debug|x64
 		{AB9C7E88-6C94-4F93-BC2A-7F5284B7D434}.Debug|x64Clang.ActiveCfg = x64Clang-Debug|x64
+		{AB9C7E88-6C94-4F93-BC2A-7F5284B7D434}.Debug|x64Clang.ActiveCfg = x64Clang-Debug|x64
 		{AB9C7E88-6C94-4F93-BC2A-7F5284B7D434}.Profile|x64Clang.ActiveCfg = x64Clang-Profile|x64
 		{AB9C7E88-6C94-4F93-BC2A-7F5284B7D434}.Profile|x64Clang.ActiveCfg = x64Clang-Profile|x64
 		{AB9C7E88-6C94-4F93-BC2A-7F5284B7D434}.Profile|x64Clang.ActiveCfg = x64Clang-Profile|x64
+		{AB9C7E88-6C94-4F93-BC2A-7F5284B7D434}.Profile|x64Clang.ActiveCfg = x64Clang-Profile|x64
+		{AB9C7E88-6C94-4F93-BC2A-7F5284B7D434}.Release|x64Clang.ActiveCfg = x64Clang-Release|x64
 		{AB9C7E88-6C94-4F93-BC2A-7F5284B7D434}.Release|x64Clang.ActiveCfg = x64Clang-Release|x64
 		{AB9C7E88-6C94-4F93-BC2A-7F5284B7D434}.Release|x64Clang.ActiveCfg = x64Clang-Release|x64
 		{AB9C7E88-6C94-4F93-BC2A-7F5284B7D434}.Release|x64Clang.ActiveCfg = x64Clang-Release|x64

Juliet/Juliet.bff

@@ -5,6 +5,9 @@
     .ProjectPath        = 'Juliet'
     .JulietIncludePath = ' "-IJuliet/include"'
                        + ' "-IJuliet/src"'
+                       + ' "-IExternal/imgui"'
+                       + ' "-IExternal/imgui/backends"'
+
 
     // Library
     //--------------------------------------------------------------------------
@@ -44,12 +47,19 @@
         // --- DLL BUILD ---
         DLL( '$ProjectName$-Lib-$Platform$-$BuildConfigName$' )
         {
-            .Libraries      = { '$ProjectName$-Objs-$Platform$-$BuildConfigName$' }
+            .Libraries      = { '$ProjectName$-Objs-$Platform$-$BuildConfigName$',
+                                        'ImGui-Lib-$Platform$-$BuildConfigName$' }
+
             .LinkerOutput   = '$BinPath$/$Platform$-$BuildConfigName$/$ProjectName$.dll' // Output .dll to Bin
             
             #if __WINDOWS__
                 .LinkerOptions          + ' /DLL' 
                 .LinkerOptions          + .CommonWinLibs
+                                        + ' imm32.lib'
+                                        + ' shell32.lib'
+                                        + ' dwmapi.lib'
+                                        + ' d3dcompiler.lib'
+
 
                 .CRTLibs = .CRTLibs_Dynamic
                 If ( .BuildConfigName == 'Debug' )

Juliet/Juliet.vcxproj

@@ -25,6 +25,30 @@
       <Configuration>x64Clang-Release</Configuration>
       <Platform>x64</Platform>
     </ProjectConfiguration>
+    <ProjectConfiguration Include="x64-Debug|x64">
+      <Configuration>x64-Debug</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="x64-Profile|x64">
+      <Configuration>x64-Profile</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="x64-Release|x64">
+      <Configuration>x64-Release</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="x64Clang-Debug|x64">
+      <Configuration>x64Clang-Debug</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="x64Clang-Profile|x64">
+      <Configuration>x64Clang-Profile</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="x64Clang-Release|x64">
+      <Configuration>x64Clang-Release</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
   </ItemGroup>
   <ItemGroup>
     <CustomBuild Include="include\Core\Application\ApplicationManager.h" />
@@ -49,6 +73,8 @@
     <CustomBuild Include="include\Core\HAL\Keyboard\ScanCode.h" />
     <CustomBuild Include="include\Core\HAL\Mouse\Mouse.h" />
     <CustomBuild Include="include\Core\HotReload\HotReload.h" />
+    <CustomBuild Include="include\Core\ImGui\ImGuiService.h" />
+    <CustomBuild Include="include\Core\ImGui\ImGuiTests.h" />
     <CustomBuild Include="include\Core\JulietInit.h" />
     <CustomBuild Include="include\Core\Logging\LogManager.h" />
     <CustomBuild Include="include\Core\Logging\LogTypes.h" />
@@ -69,6 +95,7 @@
     <CustomBuild Include="include\Core\Thread\Mutex.h" />
     <CustomBuild Include="include\Core\Thread\Thread.h" />
     <CustomBuild Include="include\Engine\Class.h" />
+    <CustomBuild Include="include\Engine\Debug\MemoryDebugger.h" />
     <CustomBuild Include="include\Engine\Engine.h" />
     <CustomBuild Include="include\Graphics\Camera.h" />
     <CustomBuild Include="include\Graphics\Colors.h" />
@@ -77,6 +104,7 @@
     <CustomBuild Include="include\Graphics\GraphicsBuffer.h" />
     <CustomBuild Include="include\Graphics\GraphicsConfig.h" />
     <CustomBuild Include="include\Graphics\GraphicsPipeline.h" />
+    <CustomBuild Include="include\Graphics\ImGuiRenderer.h" />
     <CustomBuild Include="include\Graphics\RenderPass.h" />
     <CustomBuild Include="include\Graphics\Shader.h" />
     <CustomBuild Include="include\Graphics\Texture.h" />
@@ -115,6 +143,8 @@
     <CustomBuild Include="src\Core\HAL\Win32.h" />
     <CustomBuild Include="src\Core\HotReload\HotReload.cpp" />
     <CustomBuild Include="src\Core\HotReload\Win32\Win32HotReload.cpp" />
+    <CustomBuild Include="src\Core\ImGui\ImGuiService.cpp" />
+    <CustomBuild Include="src\Core\ImGui\ImGuiTests.cpp" />
     <CustomBuild Include="src\Core\Juliet.cpp" />
     <CustomBuild Include="src\Core\Logging\LogManager.cpp" />
     <CustomBuild Include="src\Core\Math\Math_Private.h" />
@@ -130,6 +160,7 @@
     <CustomBuild Include="src\Core\Networking\TcpListener.cpp" />
     <CustomBuild Include="src\Core\Networking\TcpSocket.cpp" />
     <CustomBuild Include="src\Core\Networking\Win32\Win32SocketPlatformImpl.cpp" />
+    <CustomBuild Include="src\Engine\Debug\MemoryDebugger.cpp" />
     <CustomBuild Include="src\Engine\Engine.cpp" />
     <CustomBuild Include="src\Graphics\D3D12\AgilitySDK\d3d12.h" />
     <CustomBuild Include="src\Graphics\D3D12\AgilitySDK\d3d12compatibility.h" />
@@ -181,6 +212,7 @@
     <CustomBuild Include="src\Graphics\DebugDisplayRenderer.cpp" />
     <CustomBuild Include="src\Graphics\Graphics.cpp" />
     <CustomBuild Include="src\Graphics\GraphicsDevice.h" />
+    <CustomBuild Include="src\Graphics\ImGuiRenderer.cpp" />
   </ItemGroup>
   <ItemGroup>
   </ItemGroup>
@@ -225,6 +257,42 @@
     <PlatformToolset>v143</PlatformToolset>
     <LocalDebuggerCommand>$(SolutionDir)\bin\$(Configuration)\$(ProjectName).exe</LocalDebuggerCommand>
   </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='x64-Debug|x64'" Label="Configuration">
+    <ConfigurationType>Makefile</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <PlatformToolset>v143</PlatformToolset>
+    <LocalDebuggerCommand>$(SolutionDir)\bin\$(Configuration)\$(ProjectName).exe</LocalDebuggerCommand>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='x64-Profile|x64'" Label="Configuration">
+    <ConfigurationType>Makefile</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <PlatformToolset>v143</PlatformToolset>
+    <LocalDebuggerCommand>$(SolutionDir)\bin\$(Configuration)\$(ProjectName).exe</LocalDebuggerCommand>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='x64-Release|x64'" Label="Configuration">
+    <ConfigurationType>Makefile</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <PlatformToolset>v143</PlatformToolset>
+    <LocalDebuggerCommand>$(SolutionDir)\bin\$(Configuration)\$(ProjectName).exe</LocalDebuggerCommand>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='x64Clang-Debug|x64'" Label="Configuration">
+    <ConfigurationType>Makefile</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <PlatformToolset>v143</PlatformToolset>
+    <LocalDebuggerCommand>$(SolutionDir)\bin\$(Configuration)\$(ProjectName).exe</LocalDebuggerCommand>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='x64Clang-Profile|x64'" Label="Configuration">
+    <ConfigurationType>Makefile</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <PlatformToolset>v143</PlatformToolset>
+    <LocalDebuggerCommand>$(SolutionDir)\bin\$(Configuration)\$(ProjectName).exe</LocalDebuggerCommand>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='x64Clang-Release|x64'" Label="Configuration">
+    <ConfigurationType>Makefile</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <PlatformToolset>v143</PlatformToolset>
+    <LocalDebuggerCommand>$(SolutionDir)\bin\$(Configuration)\$(ProjectName).exe</LocalDebuggerCommand>
+  </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
   </ImportGroup>
@@ -246,12 +314,90 @@
   <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='x64Clang-Release|x64'">
     <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
   </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='x64-Debug|x64'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='x64-Profile|x64'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='x64-Release|x64'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='x64Clang-Debug|x64'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='x64Clang-Profile|x64'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='x64Clang-Release|x64'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='x64-Debug|x64'">
     <NMakeBuildCommandLine>cd $(SolutionDir) &amp; misc\fbuild -ide -dist -monitor -cache $(ProjectName)-$(Configuration)</NMakeBuildCommandLine>
     <NMakeReBuildCommandLine>cd $(SolutionDir) &amp; misc\fbuild -ide -dist -monitor -cache -clean $(ProjectName)-$(Configuration)</NMakeReBuildCommandLine>
-    <NMakePreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;_UNICODE;UNICODE;WIN32_LEAN_AND_MEAN;WIN32;_WIN32;__WINDOWS__;_HAS_EXCEPTIONS=0;WIN64;DEBUG;PROFILING_ENABLED;JULIET_EXPORT;JULIET_WIN32;</NMakePreprocessorDefinitions>
-    <NMakeIncludeSearchPath>..\;include;src;C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.44.35207\include\;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\ucrt;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\um;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\shared;</NMakeIncludeSearchPath>
+    <NMakePreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;_UNICODE;UNICODE;WIN32_LEAN_AND_MEAN;WIN32;_WIN32;__WINDOWS__;_HAS_EXCEPTIONS=0;WIN64;DEBUG;PROFILING_ENABLED;JULIET_ENABLE_IMGUI;IMGUI_API=__declspec(dllexport);</NMakePreprocessorDefinitions>
+    <NMakeIncludeSearchPath>..\;..\External\imgui;..\External\imgui\backends;C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.44.35207\include\;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\ucrt;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\um;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\shared;</NMakeIncludeSearchPath>
+    <AdditionalOptions>/std:c++20 /wd5267 /wd4061 /wd4505 /wd4514 /wd4577 /wd4625 /wd4710 /wd4711 /wd4746 /wd4820 /wd5045 /wd5220 /wd5245 /wd4365 /wd5219 </AdditionalOptions>
+    <LocalDebuggerWorkingDirectory>$(SolutionDir)\bin\$(Configuration)\</LocalDebuggerWorkingDirectory>
+    <IntDir>$(SolutionDir)\Intermediate</IntDir>
+    <OutDir>$(SolutionDir)\bin</OutDir>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='x64-Profile|x64'">
+    <NMakeBuildCommandLine>cd $(SolutionDir) &amp; misc\fbuild -ide -dist -monitor -cache $(ProjectName)-$(Configuration)</NMakeBuildCommandLine>
+    <NMakeReBuildCommandLine>cd $(SolutionDir) &amp; misc\fbuild -ide -dist -monitor -cache -clean $(ProjectName)-$(Configuration)</NMakeReBuildCommandLine>
+    <NMakePreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;_UNICODE;UNICODE;WIN32_LEAN_AND_MEAN;WIN32;_WIN32;__WINDOWS__;_HAS_EXCEPTIONS=0;WIN64;RELEASE;PROFILING_ENABLED;IMGUI_API=__declspec(dllexport);</NMakePreprocessorDefinitions>
+    <NMakeIncludeSearchPath>..\;..\External\imgui;..\External\imgui\backends;C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.44.35207\include\;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\ucrt;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\um;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\shared;</NMakeIncludeSearchPath>
+    <AdditionalOptions>/std:c++20 /wd5267 /wd4061 /wd4505 /wd4514 /wd4577 /wd4625 /wd4710 /wd4711 /wd4746 /wd4820 /wd5045 /wd5220 /wd5245 /wd4365 /wd5219 </AdditionalOptions>
+    <LocalDebuggerWorkingDirectory>$(SolutionDir)\bin\$(Configuration)\</LocalDebuggerWorkingDirectory>
+    <IntDir>$(SolutionDir)\Intermediate</IntDir>
+    <OutDir>$(SolutionDir)\bin</OutDir>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='x64-Release|x64'">
+    <NMakeBuildCommandLine>cd $(SolutionDir) &amp; misc\fbuild -ide -dist -monitor -cache $(ProjectName)-$(Configuration)</NMakeBuildCommandLine>
+    <NMakeReBuildCommandLine>cd $(SolutionDir) &amp; misc\fbuild -ide -dist -monitor -cache -clean $(ProjectName)-$(Configuration)</NMakeReBuildCommandLine>
+    <NMakePreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;_UNICODE;UNICODE;WIN32_LEAN_AND_MEAN;WIN32;_WIN32;__WINDOWS__;_HAS_EXCEPTIONS=0;WIN64;RELEASE;IMGUI_API=__declspec(dllexport);</NMakePreprocessorDefinitions>
+    <NMakeIncludeSearchPath>..\;..\External\imgui;..\External\imgui\backends;C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.44.35207\include\;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\ucrt;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\um;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\shared;</NMakeIncludeSearchPath>
+    <AdditionalOptions>/std:c++20 /wd5267 /wd4061 /wd4505 /wd4514 /wd4577 /wd4625 /wd4710 /wd4711 /wd4746 /wd4820 /wd5045 /wd5220 /wd5245 /wd4365 /wd5219 </AdditionalOptions>
+    <LocalDebuggerWorkingDirectory>$(SolutionDir)\bin\$(Configuration)\</LocalDebuggerWorkingDirectory>
+    <IntDir>$(SolutionDir)\Intermediate</IntDir>
+    <OutDir>$(SolutionDir)\bin</OutDir>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='x64Clang-Debug|x64'">
+    <NMakeBuildCommandLine>cd $(SolutionDir) &amp; misc\fbuild -ide -dist -monitor -cache $(ProjectName)-$(Configuration)</NMakeBuildCommandLine>
+    <NMakeReBuildCommandLine>cd $(SolutionDir) &amp; misc\fbuild -ide -dist -monitor -cache -clean $(ProjectName)-$(Configuration)</NMakeReBuildCommandLine>
+    <NMakePreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;_UNICODE;UNICODE;WIN32_LEAN_AND_MEAN;WIN32;_WIN32;__WINDOWS__;_HAS_EXCEPTIONS=0;WIN64;DEBUG;PROFILING_ENABLED;JULIET_ENABLE_IMGUI;IMGUI_API=__declspec(dllexport);</NMakePreprocessorDefinitions>
+    <NMakeIncludeSearchPath>..\;..\External\imgui;..\External\imgui\backends;C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.44.35207\include\;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\ucrt;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\um;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\shared;</NMakeIncludeSearchPath>
+    <AdditionalOptions>/std:c++20 /wd5267 /wd4061 /wd4505 /wd4514 /wd4577 /wd4625 /wd4710 /wd4711 /wd4746 /wd4820 /wd5045 /wd5220 /wd5245 /wd4365 /wd5219 </AdditionalOptions>
+    <LocalDebuggerWorkingDirectory>$(SolutionDir)\bin\$(Configuration)\</LocalDebuggerWorkingDirectory>
+    <IntDir>$(SolutionDir)\Intermediate</IntDir>
+    <OutDir>$(SolutionDir)\bin</OutDir>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='x64Clang-Profile|x64'">
+    <NMakeBuildCommandLine>cd $(SolutionDir) &amp; misc\fbuild -ide -dist -monitor -cache $(ProjectName)-$(Configuration)</NMakeBuildCommandLine>
+    <NMakeReBuildCommandLine>cd $(SolutionDir) &amp; misc\fbuild -ide -dist -monitor -cache -clean $(ProjectName)-$(Configuration)</NMakeReBuildCommandLine>
+    <NMakePreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;_UNICODE;UNICODE;WIN32_LEAN_AND_MEAN;WIN32;_WIN32;__WINDOWS__;_HAS_EXCEPTIONS=0;WIN64;RELEASE;PROFILING_ENABLED;IMGUI_API=__declspec(dllexport);</NMakePreprocessorDefinitions>
+    <NMakeIncludeSearchPath>..\;..\External\imgui;..\External\imgui\backends;C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.44.35207\include\;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\ucrt;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\um;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\shared;</NMakeIncludeSearchPath>
+    <AdditionalOptions>/std:c++20 /wd5267 /wd4061 /wd4505 /wd4514 /wd4577 /wd4625 /wd4710 /wd4711 /wd4746 /wd4820 /wd5045 /wd5220 /wd5245 /wd4365 /wd5219 </AdditionalOptions>
+    <LocalDebuggerWorkingDirectory>$(SolutionDir)\bin\$(Configuration)\</LocalDebuggerWorkingDirectory>
+    <IntDir>$(SolutionDir)\Intermediate</IntDir>
+    <OutDir>$(SolutionDir)\bin</OutDir>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='x64Clang-Release|x64'">
+    <NMakeBuildCommandLine>cd $(SolutionDir) &amp; misc\fbuild -ide -dist -monitor -cache $(ProjectName)-$(Configuration)</NMakeBuildCommandLine>
+    <NMakeReBuildCommandLine>cd $(SolutionDir) &amp; misc\fbuild -ide -dist -monitor -cache -clean $(ProjectName)-$(Configuration)</NMakeReBuildCommandLine>
+    <NMakePreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;_UNICODE;UNICODE;WIN32_LEAN_AND_MEAN;WIN32;_WIN32;__WINDOWS__;_HAS_EXCEPTIONS=0;WIN64;RELEASE;IMGUI_API=__declspec(dllexport);</NMakePreprocessorDefinitions>
+    <NMakeIncludeSearchPath>..\;..\External\imgui;..\External\imgui\backends;C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.44.35207\include\;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\ucrt;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\um;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\shared;</NMakeIncludeSearchPath>
+    <AdditionalOptions>/std:c++20 /wd5267 /wd4061 /wd4505 /wd4514 /wd4577 /wd4625 /wd4710 /wd4711 /wd4746 /wd4820 /wd5045 /wd5220 /wd5245 /wd4365 /wd5219 </AdditionalOptions>
+    <LocalDebuggerWorkingDirectory>$(SolutionDir)\bin\$(Configuration)\</LocalDebuggerWorkingDirectory>
+    <IntDir>$(SolutionDir)\Intermediate</IntDir>
+    <OutDir>$(SolutionDir)\bin</OutDir>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='x64-Debug|x64'">
+    <NMakeBuildCommandLine>cd $(SolutionDir) &amp; misc\fbuild -ide -dist -monitor -cache $(ProjectName)-$(Configuration)</NMakeBuildCommandLine>
+    <NMakeReBuildCommandLine>cd $(SolutionDir) &amp; misc\fbuild -ide -dist -monitor -cache -clean $(ProjectName)-$(Configuration)</NMakeReBuildCommandLine>
+    <NMakePreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;_UNICODE;UNICODE;WIN32_LEAN_AND_MEAN;WIN32;_WIN32;__WINDOWS__;_HAS_EXCEPTIONS=0;WIN64;DEBUG;PROFILING_ENABLED;JULIET_ENABLE_IMGUI;JULIET_EXPORT;JULIET_WIN32;</NMakePreprocessorDefinitions>
+    <NMakeIncludeSearchPath>..\;include;src;..\External\imgui;..\External\imgui\backends;C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.44.35207\include\;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\ucrt;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\um;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\shared;</NMakeIncludeSearchPath>
     <AdditionalOptions>/std:c++20 /wd5267 /wd4061 /wd4505 /wd4514 /wd4577 /wd4625 /wd4710 /wd4711 /wd4746 /wd4820 /wd5045 /wd5220 /wd5245 </AdditionalOptions>
     <LocalDebuggerWorkingDirectory>$(SolutionDir)\bin\$(Configuration)\</LocalDebuggerWorkingDirectory>
     <IntDir>$(SolutionDir)\Intermediate</IntDir>
@@ -261,7 +407,7 @@
     <NMakeBuildCommandLine>cd $(SolutionDir) &amp; misc\fbuild -ide -dist -monitor -cache $(ProjectName)-$(Configuration)</NMakeBuildCommandLine>
     <NMakeReBuildCommandLine>cd $(SolutionDir) &amp; misc\fbuild -ide -dist -monitor -cache -clean $(ProjectName)-$(Configuration)</NMakeReBuildCommandLine>
     <NMakePreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;_UNICODE;UNICODE;WIN32_LEAN_AND_MEAN;WIN32;_WIN32;__WINDOWS__;_HAS_EXCEPTIONS=0;WIN64;RELEASE;PROFILING_ENABLED;JULIET_EXPORT;JULIET_WIN32;</NMakePreprocessorDefinitions>
-    <NMakeIncludeSearchPath>..\;include;src;C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.44.35207\include\;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\ucrt;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\um;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\shared;</NMakeIncludeSearchPath>
+    <NMakeIncludeSearchPath>..\;include;src;..\External\imgui;..\External\imgui\backends;C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.44.35207\include\;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\ucrt;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\um;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\shared;</NMakeIncludeSearchPath>
     <AdditionalOptions>/std:c++20 /wd5267 /wd4061 /wd4505 /wd4514 /wd4577 /wd4625 /wd4710 /wd4711 /wd4746 /wd4820 /wd5045 /wd5220 /wd5245 </AdditionalOptions>
     <LocalDebuggerWorkingDirectory>$(SolutionDir)\bin\$(Configuration)\</LocalDebuggerWorkingDirectory>
     <IntDir>$(SolutionDir)\Intermediate</IntDir>
@@ -271,7 +417,7 @@
     <NMakeBuildCommandLine>cd $(SolutionDir) &amp; misc\fbuild -ide -dist -monitor -cache $(ProjectName)-$(Configuration)</NMakeBuildCommandLine>
     <NMakeReBuildCommandLine>cd $(SolutionDir) &amp; misc\fbuild -ide -dist -monitor -cache -clean $(ProjectName)-$(Configuration)</NMakeReBuildCommandLine>
     <NMakePreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;_UNICODE;UNICODE;WIN32_LEAN_AND_MEAN;WIN32;_WIN32;__WINDOWS__;_HAS_EXCEPTIONS=0;WIN64;RELEASE;JULIET_EXPORT;JULIET_WIN32;</NMakePreprocessorDefinitions>
-    <NMakeIncludeSearchPath>..\;include;src;C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.44.35207\include\;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\ucrt;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\um;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\shared;</NMakeIncludeSearchPath>
+    <NMakeIncludeSearchPath>..\;include;src;..\External\imgui;..\External\imgui\backends;C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.44.35207\include\;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\ucrt;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\um;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\shared;</NMakeIncludeSearchPath>
     <AdditionalOptions>/std:c++20 /wd5267 /wd4061 /wd4505 /wd4514 /wd4577 /wd4625 /wd4710 /wd4711 /wd4746 /wd4820 /wd5045 /wd5220 /wd5245 </AdditionalOptions>
     <LocalDebuggerWorkingDirectory>$(SolutionDir)\bin\$(Configuration)\</LocalDebuggerWorkingDirectory>
     <IntDir>$(SolutionDir)\Intermediate</IntDir>
@@ -280,8 +426,8 @@
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='x64Clang-Debug|x64'">
     <NMakeBuildCommandLine>cd $(SolutionDir) &amp; misc\fbuild -ide -dist -monitor -cache $(ProjectName)-$(Configuration)</NMakeBuildCommandLine>
     <NMakeReBuildCommandLine>cd $(SolutionDir) &amp; misc\fbuild -ide -dist -monitor -cache -clean $(ProjectName)-$(Configuration)</NMakeReBuildCommandLine>
-    <NMakePreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;_UNICODE;UNICODE;WIN32_LEAN_AND_MEAN;WIN32;_WIN32;__WINDOWS__;_HAS_EXCEPTIONS=0;WIN64;DEBUG;PROFILING_ENABLED;JULIET_EXPORT;JULIET_WIN32;</NMakePreprocessorDefinitions>
-    <NMakeIncludeSearchPath>..\;include;src;C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.44.35207\include\;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\ucrt;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\um;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\shared;</NMakeIncludeSearchPath>
+    <NMakePreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;_UNICODE;UNICODE;WIN32_LEAN_AND_MEAN;WIN32;_WIN32;__WINDOWS__;_HAS_EXCEPTIONS=0;WIN64;DEBUG;PROFILING_ENABLED;JULIET_ENABLE_IMGUI;JULIET_EXPORT;JULIET_WIN32;</NMakePreprocessorDefinitions>
+    <NMakeIncludeSearchPath>..\;include;src;..\External\imgui;..\External\imgui\backends;C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.44.35207\include\;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\ucrt;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\um;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\shared;</NMakeIncludeSearchPath>
     <AdditionalOptions>/std:c++20 /wd5267 /wd4061 /wd4505 /wd4514 /wd4577 /wd4625 /wd4710 /wd4711 /wd4746 /wd4820 /wd5045 /wd5220 /wd5245 </AdditionalOptions>
     <LocalDebuggerWorkingDirectory>$(SolutionDir)\bin\$(Configuration)\</LocalDebuggerWorkingDirectory>
     <IntDir>$(SolutionDir)\Intermediate</IntDir>
@@ -291,7 +437,7 @@
     <NMakeBuildCommandLine>cd $(SolutionDir) &amp; misc\fbuild -ide -dist -monitor -cache $(ProjectName)-$(Configuration)</NMakeBuildCommandLine>
     <NMakeReBuildCommandLine>cd $(SolutionDir) &amp; misc\fbuild -ide -dist -monitor -cache -clean $(ProjectName)-$(Configuration)</NMakeReBuildCommandLine>
     <NMakePreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;_UNICODE;UNICODE;WIN32_LEAN_AND_MEAN;WIN32;_WIN32;__WINDOWS__;_HAS_EXCEPTIONS=0;WIN64;RELEASE;PROFILING_ENABLED;JULIET_EXPORT;JULIET_WIN32;</NMakePreprocessorDefinitions>
-    <NMakeIncludeSearchPath>..\;include;src;C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.44.35207\include\;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\ucrt;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\um;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\shared;</NMakeIncludeSearchPath>
+    <NMakeIncludeSearchPath>..\;include;src;..\External\imgui;..\External\imgui\backends;C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.44.35207\include\;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\ucrt;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\um;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\shared;</NMakeIncludeSearchPath>
     <AdditionalOptions>/std:c++20 /wd5267 /wd4061 /wd4505 /wd4514 /wd4577 /wd4625 /wd4710 /wd4711 /wd4746 /wd4820 /wd5045 /wd5220 /wd5245 </AdditionalOptions>
     <LocalDebuggerWorkingDirectory>$(SolutionDir)\bin\$(Configuration)\</LocalDebuggerWorkingDirectory>
     <IntDir>$(SolutionDir)\Intermediate</IntDir>
@@ -301,7 +447,7 @@
     <NMakeBuildCommandLine>cd $(SolutionDir) &amp; misc\fbuild -ide -dist -monitor -cache $(ProjectName)-$(Configuration)</NMakeBuildCommandLine>
     <NMakeReBuildCommandLine>cd $(SolutionDir) &amp; misc\fbuild -ide -dist -monitor -cache -clean $(ProjectName)-$(Configuration)</NMakeReBuildCommandLine>
     <NMakePreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;_UNICODE;UNICODE;WIN32_LEAN_AND_MEAN;WIN32;_WIN32;__WINDOWS__;_HAS_EXCEPTIONS=0;WIN64;RELEASE;JULIET_EXPORT;JULIET_WIN32;</NMakePreprocessorDefinitions>
-    <NMakeIncludeSearchPath>..\;include;src;C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.44.35207\include\;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\ucrt;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\um;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\shared;</NMakeIncludeSearchPath>
+    <NMakeIncludeSearchPath>..\;include;src;..\External\imgui;..\External\imgui\backends;C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.44.35207\include\;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\ucrt;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\um;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\shared;</NMakeIncludeSearchPath>
     <AdditionalOptions>/std:c++20 /wd5267 /wd4061 /wd4505 /wd4514 /wd4577 /wd4625 /wd4710 /wd4711 /wd4746 /wd4820 /wd5045 /wd5220 /wd5245 </AdditionalOptions>
     <LocalDebuggerWorkingDirectory>$(SolutionDir)\bin\$(Configuration)\</LocalDebuggerWorkingDirectory>
     <IntDir>$(SolutionDir)\Intermediate</IntDir>
@@ -337,6 +483,36 @@
     <Path>$(SolutionDir)\Intermediate\$(ProjectName)-$(Configuration).log</Path>
     </BuildLog>
   </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='x64-Debug|x64'">
+    <BuildLog>
+    <Path>$(SolutionDir)\Intermediate\$(ProjectName)-$(Configuration).log</Path>
+    </BuildLog>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='x64-Profile|x64'">
+    <BuildLog>
+    <Path>$(SolutionDir)\Intermediate\$(ProjectName)-$(Configuration).log</Path>
+    </BuildLog>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='x64-Release|x64'">
+    <BuildLog>
+    <Path>$(SolutionDir)\Intermediate\$(ProjectName)-$(Configuration).log</Path>
+    </BuildLog>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='x64Clang-Debug|x64'">
+    <BuildLog>
+    <Path>$(SolutionDir)\Intermediate\$(ProjectName)-$(Configuration).log</Path>
+    </BuildLog>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='x64Clang-Profile|x64'">
+    <BuildLog>
+    <Path>$(SolutionDir)\Intermediate\$(ProjectName)-$(Configuration).log</Path>
+    </BuildLog>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='x64Clang-Release|x64'">
+    <BuildLog>
+    <Path>$(SolutionDir)\Intermediate\$(ProjectName)-$(Configuration).log</Path>
+    </BuildLog>
+  </ItemDefinitionGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
   </ImportGroup>

Juliet/Juliet.vcxproj.filters

@@ -67,6 +67,12 @@
     <CustomBuild Include="include\Core\HotReload\HotReload.h">
       <Filter>include\Core\HotReload</Filter>
     </CustomBuild>
+    <CustomBuild Include="include\Core\ImGui\ImGuiService.h">
+      <Filter>include\Core\ImGui</Filter>
+    </CustomBuild>
+    <CustomBuild Include="include\Core\ImGui\ImGuiTests.h">
+      <Filter>include\Core\ImGui</Filter>
+    </CustomBuild>
     <CustomBuild Include="include\Core\JulietInit.h">
       <Filter>include\Core</Filter>
     </CustomBuild>
@@ -127,6 +133,9 @@
     <CustomBuild Include="include\Engine\Class.h">
       <Filter>include\Engine</Filter>
     </CustomBuild>
+    <CustomBuild Include="include\Engine\Debug\MemoryDebugger.h">
+      <Filter>include\Engine\Debug</Filter>
+    </CustomBuild>
     <CustomBuild Include="include\Engine\Engine.h">
       <Filter>include\Engine</Filter>
     </CustomBuild>
@@ -151,6 +160,9 @@
     <CustomBuild Include="include\Graphics\GraphicsPipeline.h">
       <Filter>include\Graphics</Filter>
     </CustomBuild>
+    <CustomBuild Include="include\Graphics\ImGuiRenderer.h">
+      <Filter>include\Graphics</Filter>
+    </CustomBuild>
     <CustomBuild Include="include\Graphics\RenderPass.h">
       <Filter>include\Graphics</Filter>
     </CustomBuild>
@@ -264,6 +276,12 @@
     <CustomBuild Include="src\Core\HotReload\Win32\Win32HotReload.cpp">
       <Filter>src\Core\HotReload\Win32</Filter>
     </CustomBuild>
+    <CustomBuild Include="src\Core\ImGui\ImGuiService.cpp">
+      <Filter>src\Core\ImGui</Filter>
+    </CustomBuild>
+    <CustomBuild Include="src\Core\ImGui\ImGuiTests.cpp">
+      <Filter>src\Core\ImGui</Filter>
+    </CustomBuild>
     <CustomBuild Include="src\Core\Juliet.cpp">
       <Filter>src\Core</Filter>
     </CustomBuild>
@@ -309,6 +327,9 @@
     <CustomBuild Include="src\Core\Networking\Win32\Win32SocketPlatformImpl.cpp">
       <Filter>src\Core\Networking\Win32</Filter>
     </CustomBuild>
+    <CustomBuild Include="src\Engine\Debug\MemoryDebugger.cpp">
+      <Filter>src\Engine\Debug</Filter>
+    </CustomBuild>
     <CustomBuild Include="src\Engine\Engine.cpp">
       <Filter>src\Engine</Filter>
     </CustomBuild>
@@ -462,6 +483,9 @@
     <CustomBuild Include="src\Graphics\GraphicsDevice.h">
       <Filter>src\Graphics</Filter>
     </CustomBuild>
+    <CustomBuild Include="src\Graphics\ImGuiRenderer.cpp">
+      <Filter>src\Graphics</Filter>
+    </CustomBuild>
   </ItemGroup>
   <ItemGroup>
     <Filter Include="include\Core\Application">
@@ -533,6 +557,11 @@
       <UniqueIdentifier>{fe4e9898-6c94-4f93-bc2a-7f5284b7d434}</UniqueIdentifier>
     </Filter>
   </ItemGroup>
+  <ItemGroup>
+    <Filter Include="include\Core\ImGui">
+      <UniqueIdentifier>{f0573de7-6c94-4f93-bc2a-7f5284b7d434}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
   <ItemGroup>
     <Filter Include="include\Core\Logging">
       <UniqueIdentifier>{02138187-6c94-4f93-bc2a-7f5284b7d434}</UniqueIdentifier>
@@ -563,6 +592,11 @@
       <UniqueIdentifier>{d881a52c-6c94-4f93-bc2a-7f5284b7d434}</UniqueIdentifier>
     </Filter>
   </ItemGroup>
+  <ItemGroup>
+    <Filter Include="include\Engine\Debug">
+      <UniqueIdentifier>{c6a2048a-6c94-4f93-bc2a-7f5284b7d434}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
   <ItemGroup>
     <Filter Include="include\Graphics">
       <UniqueIdentifier>{20496e7b-6c94-4f93-bc2a-7f5284b7d434}</UniqueIdentifier>
@@ -648,6 +682,11 @@
       <UniqueIdentifier>{849dd795-6c94-4f93-bc2a-7f5284b7d434}</UniqueIdentifier>
     </Filter>
   </ItemGroup>
+  <ItemGroup>
+    <Filter Include="src\Core\ImGui">
+      <UniqueIdentifier>{04960ca3-6c94-4f93-bc2a-7f5284b7d434}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
   <ItemGroup>
     <Filter Include="src\Core\Logging">
       <UniqueIdentifier>{574d127d-6c94-4f93-bc2a-7f5284b7d434}</UniqueIdentifier>
@@ -673,6 +712,11 @@
       <UniqueIdentifier>{43aa9349-6c94-4f93-bc2a-7f5284b7d434}</UniqueIdentifier>
     </Filter>
   </ItemGroup>
+  <ItemGroup>
+    <Filter Include="src\Engine\Debug">
+      <UniqueIdentifier>{8e9855ac-6c94-4f93-bc2a-7f5284b7d434}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
   <ItemGroup>
     <Filter Include="src\Engine">
       <UniqueIdentifier>{602a4b6b-6c94-4f93-bc2a-7f5284b7d434}</UniqueIdentifier>

Juliet/include/Core/Application/IApplication.h

@@ -2,6 +2,12 @@
 
 namespace Juliet
 {
+    struct RenderPass;
+    struct CommandList;
+    struct Texture;
+    struct ColorTargetInfo;
+    struct DepthStencilTargetInfo;
+
     class IApplication
     {
       public:
@@ -10,5 +16,16 @@ namespace Juliet
         virtual void Shutdown()  = 0;
         virtual void Update()    = 0;
         virtual bool IsRunning() = 0;
+
+        // Accessors for Engine Systems
+        virtual struct Window*         GetPlatformWindow() = 0;
+        virtual struct GraphicsDevice* GetGraphicsDevice() = 0;
+
+        // Render Lifecycle (Engine-Managed Render Loop)
+        virtual void                    OnPreRender(CommandList* cmd)                   = 0;
+        virtual void                    OnRender(RenderPass* pass, CommandList* cmd)    = 0;
+        virtual ColorTargetInfo         GetColorTargetInfo(Texture* swapchainTexture)   = 0;
+        virtual DepthStencilTargetInfo* GetDepthTargetInfo()                            = 0;
+        virtual struct Camera           GetDebugCamera()                                = 0;
     };
 } // namespace Juliet

Juliet/include/Core/Common/CoreTypes.h

@@ -41,3 +41,6 @@ constexpr int8  int8Max  = MaxValueOf<int8>();
 constexpr int16 int16Max = MaxValueOf<int16>();
 constexpr int32 int32Max = MaxValueOf<int32>();
 constexpr int64 int64Max = MaxValueOf<int64>();
+
+#define Kilobytes(value) value * 1024
+#define Megabytes(value) Kilobytes(value) * 1024

Juliet/include/Core/ImGui/ImGuiService.h

@@ -0,0 +1,27 @@
+#pragma once
+
+#include <Core/Common/CoreTypes.h>
+#include <Core/Common/NonNullPtr.h>
+
+struct ImGuiContext;
+
+namespace Juliet
+{
+    struct Window;
+    struct GraphicsDevice;
+
+    namespace ImGuiService
+    {
+        JULIET_API void Initialize(NonNullPtr<Window> window);
+        JULIET_API void Shutdown();
+
+        JULIET_API void NewFrame();
+        JULIET_API void Render();
+
+        JULIET_API bool          IsInitialized();
+        JULIET_API ImGuiContext* GetContext();
+
+        // Run internal unit tests
+        JULIET_API void RunTests();
+    } // namespace ImGuiService
+} // namespace Juliet

Juliet/include/Core/ImGui/ImGuiTests.h

@@ -0,0 +1,12 @@
+#pragma once
+
+#include <Core/Common/NonNullPtr.h>
+#include <Core/HAL/Display/Window.h>
+#include <Graphics/GraphicsDevice.h>
+
+#include <Juliet.h>
+
+namespace Juliet::UnitTest
+{
+    void TestImGui();
+}

Juliet/include/Core/Memory/MemoryArena.h

@@ -1,25 +1,75 @@
 #pragma once
 
-#include <Juliet.h>
 #include <Core/Common/CoreTypes.h>
 #include <Core/Common/CoreUtils.h>
+#include <Core/Common/String.h>
 #include <Core/Memory/Utils.h>
+#include <Juliet.h>
 
 namespace Juliet
 {
-    struct MemoryArena
+
+    // --- Paged Memory Architecture ---
+    struct ArenaAllocation
     {
-        uint8* Data;
-        size_t Size;
-        size_t Offset;
+        size_t           Offset;
+        size_t           Size;
+        String           Tag;
+        ArenaAllocation* Next;
     };
 
-    JULIET_API void MemoryArenaCreate(MemoryArena* arena, void* backingMemory, size_t size);
-    JULIET_API void* ArenaPush(MemoryArena* arena, size_t size, size_t alignment = 16);
-    JULIET_API void* ArenaRealloc(MemoryArena* arena, void* oldPtr, size_t oldSize, size_t newSize, size_t alignment = 16);
-    JULIET_API void ArenaReset(MemoryArena* arena);
-    JULIET_API size_t ArenaGetMarker(MemoryArena* arena);
-    JULIET_API void ArenaResetToMarker(MemoryArena* arena, size_t marker);
+    struct MemoryBlock
+    {
+        static constexpr uint32 kMagic = 0xAA55AA55;
+        uint32                  Magic;
+        MemoryBlock*            Next;      // Next block in the chain (Arena) or FreeList (Pool)
+        size_t                  TotalSize; // Total size of this block (including header)
+        size_t                  Used;      // Offset relative to the start of Data
+        
+#if JULIET_DEBUG
+        ArenaAllocation* FirstAllocation = nullptr;
+        uint64           Pad; // Ensure 16-byte alignment (Size 40 -> 48)
+#endif
+
+        // Data follows immediately. 
+        // We use a helper to access it to avoid C++ flexible array warning issues if strict
+        uint8* GetData() { return reinterpret_cast<uint8*>(this + 1); }
+        const uint8* GetData() const { return reinterpret_cast<const uint8*>(this + 1); }
+    };
+
+    struct MemoryPool
+    {
+        void*        BaseAddress = nullptr;
+        size_t       TotalSize = 0;
+        MemoryBlock* FreeList = nullptr;
+
+        [[nodiscard]] MemoryBlock* AllocateBlock(size_t minCapacity);
+        void                       FreeBlock(MemoryBlock* block);
+    };
+
+    struct MemoryArena
+    {
+        MemoryPool*  BackingPool;
+        MemoryBlock* CurrentBlock;
+        MemoryBlock* FirstBlock;
+        // Marker behavior is now tricky with pages. 
+        // Simple Marker = { Block*, Offset }
+    };
+
+    struct ArenaMarker
+    {
+        MemoryBlock* Block;
+        size_t       Offset;
+    };
+
+
+    JULIET_API void   MemoryArenaCreate(MemoryArena* arena, MemoryPool* pool);
+    JULIET_API void* ArenaPush(MemoryArena* arena, size_t size, size_t alignment, String tag);
+    JULIET_API void*  ArenaRealloc(MemoryArena* arena, void* oldPtr, size_t oldSize, size_t newSize, size_t alignment, String tag);
+    JULIET_API bool   ArenaPop(MemoryArena* arena, void* ptr, size_t size);
+    JULIET_API void   ArenaReset(MemoryArena* arena);
+    JULIET_API ArenaMarker ArenaGetMarker(MemoryArena* arena);
+    JULIET_API void        ArenaResetToMarker(MemoryArena* arena, ArenaMarker marker);
 
     // --- Global Arenas & Management ---
 
@@ -34,14 +84,15 @@ namespace Juliet
 
     // Internal engine function to initialize memory arenas.
     void MemoryArenasInit();
-    
+
     // Internal engine function to shutdown memory arenas.
     void MemoryArenasShutdown();
 
     template <typename T>
-    inline T* ArenaPushType(MemoryArena* arena)
+    inline T* ArenaPushType(MemoryArena* arena, String tag)
     {
-        T* result = static_cast<T*>(ArenaPush(arena, sizeof(T), alignof(T)));
+        T* result = static_cast<T*>(ArenaPush(arena, sizeof(T), alignof(T), tag));
+
         if (result)
         {
             MemSet(result, 0, sizeof(T));
@@ -50,9 +101,10 @@ namespace Juliet
     }
 
     template <typename T>
-    inline T* ArenaPushArray(MemoryArena* arena, size_t count)
+    inline T* ArenaPushArray(MemoryArena* arena, size_t count, String tag)
     {
-        T* result = static_cast<T*>(ArenaPush(arena, sizeof(T) * count, alignof(T)));
+        T* result = static_cast<T*>(ArenaPush(arena, sizeof(T) * count, alignof(T), tag));
+
         if (result)
         {
             MemSet(result, 0, sizeof(T) * count);
@@ -61,8 +113,9 @@ namespace Juliet
     }
 
     template <typename T>
-    inline T* ArenaRealloc(MemoryArena* arena, T* oldPtr, size_t oldCount, size_t newCount)
+    inline T* ArenaRealloc(MemoryArena* arena, T* oldPtr, size_t oldCount, size_t newCount, String tag)
     {
-        return static_cast<T*>(Juliet::ArenaRealloc(arena, static_cast<void*>(oldPtr), sizeof(T) * oldCount, sizeof(T) * newCount, alignof(T)));
+        return static_cast<T*>(Juliet::ArenaRealloc(arena, static_cast<void*>(oldPtr), sizeof(T) * oldCount,
+                                                    sizeof(T) * newCount, alignof(T), tag));
     }
 } // namespace Juliet

Juliet/include/Engine/Debug/MemoryDebugger.h

@@ -0,0 +1,9 @@
+#pragma once
+
+#include <Core/Memory/MemoryArena.h>
+#include <Juliet.h>
+
+namespace Juliet::Debug
+{
+    JULIET_API void DebugDrawMemoryArena();
+} // namespace Juliet::Debug

Juliet/include/Graphics/Graphics.h

@@ -60,6 +60,12 @@ namespace Juliet
         Count
     };
 
+    enum class IndexFormat : uint8
+    {
+        UInt16,
+        UInt32
+    };
+
     enum struct SwapChainComposition : uint8
     {
         SDR,
@@ -128,6 +134,14 @@ namespace Juliet
     extern JULIET_API void BindGraphicsPipeline(NonNullPtr<RenderPass> renderPass, NonNullPtr<GraphicsPipeline> graphicsPipeline);
     extern JULIET_API void DrawPrimitives(NonNullPtr<RenderPass> renderPass, uint32 numVertices, uint32 numInstances,
                                           uint32 firstVertex, uint32 firstInstance);
+    extern JULIET_API void DrawIndexedPrimitives(NonNullPtr<RenderPass> renderPass, uint32 numIndices,
+                                                 uint32 numInstances, uint32 firstIndex, uint32 vertexOffset,
+                                                 uint32 firstInstance);
+
+    extern JULIET_API void SetIndexBuffer(NonNullPtr<CommandList> commandList, NonNullPtr<GraphicsBuffer> buffer, IndexFormat format);
+
+
+
     extern JULIET_API void SetPushConstants(NonNullPtr<CommandList> commandList, ShaderStage stage,
                                             uint32 rootParameterIndex, uint32 numConstants, const void* constants);
 
@@ -157,8 +171,13 @@ namespace Juliet
     extern JULIET_API void CopyBuffer(NonNullPtr<CommandList> commandList, NonNullPtr<GraphicsBuffer> dst,
                                       NonNullPtr<GraphicsTransferBuffer> src, size_t size, size_t dstOffset = 0,
                                       size_t srcOffset = 0);
+    extern JULIET_API void CopyBufferToTexture(NonNullPtr<CommandList> commandList, NonNullPtr<Texture> dst,
+                                               NonNullPtr<GraphicsTransferBuffer> src);
+
     extern JULIET_API void TransitionBufferToReadable(NonNullPtr<CommandList> commandList, NonNullPtr<GraphicsBuffer> buffer);
     extern JULIET_API uint32 GetDescriptorIndex(NonNullPtr<GraphicsDevice> device, NonNullPtr<GraphicsBuffer> buffer);
+    extern JULIET_API uint32 GetDescriptorIndex(NonNullPtr<GraphicsDevice> device, NonNullPtr<Texture> texture);
+
     extern JULIET_API void DestroyGraphicsBuffer(NonNullPtr<GraphicsDevice> device, NonNullPtr<GraphicsBuffer> buffer);
     extern JULIET_API void DestroyGraphicsTransferBuffer(NonNullPtr<GraphicsDevice> device, NonNullPtr<GraphicsTransferBuffer> buffer);
 } // namespace Juliet

Juliet/include/Graphics/GraphicsBuffer.h

@@ -8,6 +8,7 @@ namespace Juliet
         IndexBuffer      = 1 << 0,
         ConstantBuffer   = 1 << 1,
         StructuredBuffer = 1 << 2,
+        VertexBuffer     = 1 << 3,
     };
 
     enum class TransferBufferUsage : uint8

Juliet/include/Graphics/ImGuiRenderer.h

@@ -0,0 +1,12 @@
+#pragma once
+
+#include <Graphics/Graphics.h>
+#include <Juliet.h>
+
+namespace Juliet
+{
+    extern bool            ImGuiRenderer_Initialize(GraphicsDevice* device);
+    extern void            ImGuiRenderer_Shutdown(GraphicsDevice* device);
+    extern void            ImGuiRenderer_NewFrame();
+    extern JULIET_API void ImGuiRenderer_Render(CommandList* cmdList, RenderPass* renderPass);
+} // namespace Juliet

Juliet/include/Juliet.h

@@ -24,4 +24,12 @@
 #else
 #define JULIET_DEBUG 0
 #endif
+
+// Manual override to disable ImGui
+// #define JULIET_DISABLE_IMGUI
+
+#if defined(JULIET_DISABLE_IMGUI) && defined(JULIET_ENABLE_IMGUI)
+#undef JULIET_ENABLE_IMGUI
+#endif
+
 // clang-format on

Juliet/src/Core/HAL/Display/Display.cpp

@@ -2,8 +2,8 @@
 #include <Core/HAL/Display/Display_Private.h>
 #include <Core/HAL/Display/DisplayDevice.h>
 #include <Core/Memory/Allocator.h>
-#include <Core/Memory/MemoryArena.h>
 #include <Core/Memory/EngineArena.h>
+#include <Core/Memory/MemoryArena.h>
 #include <format>
 
 namespace Juliet
@@ -17,7 +17,7 @@ namespace Juliet
     {
         // TODO : IfDef new factories that are not compatible
         constexpr DisplayDeviceFactory* Factories[] = { &Win32DisplayDeviceFactory, nullptr };
-    } // namespace
+    } // namespace Internal::Display
 
     void InitializeDisplaySystem()
     {
@@ -74,8 +74,8 @@ namespace Juliet
     {
         Assert(g_CurrentDisplayDevice->CreatePlatformWindow);
 
-        MemoryArena* arena = GetEngineArena();
-        auto window = ArenaPushType<Window>(arena);
+        MemoryArena* arena  = GetEngineArena();
+        auto         window = ArenaPushType<Window>(arena, ConstString("Window"));
         if (!window)
         {
             return nullptr;
@@ -84,7 +84,7 @@ namespace Juliet
         window->Height = height;
 
         auto titleLen = StringLength(title);
-        auto buffer   = ArenaPushArray<char>(arena, titleLen);
+        auto buffer   = ArenaPushArray<char>(arena, titleLen, ConstString("Window Title Array"));
         MemCopy(buffer, title, titleLen);
 
         window->Title.Data = buffer;
@@ -93,7 +93,7 @@ namespace Juliet
         g_CurrentDisplayDevice->MainWindow = window;
         if (!g_CurrentDisplayDevice->CreatePlatformWindow(g_CurrentDisplayDevice, window))
         {
-            // Note: We don't "free" from arena easily, but since this is catastrophic 
+            // Note: We don't "free" from arena easily, but since this is catastrophic
             // and persistent, we just leak the small amount of arena space or handle it if we had a marker.
             return nullptr;
         }

Juliet/src/Core/HAL/Display/Win32/Win32DisplayDevice.cpp

@@ -18,8 +18,8 @@ namespace Juliet::Win32
 
         DisplayDevice* CreateDevice()
         {
-            auto device = ArenaPushType<DisplayDevice>(GetEngineArena());
-            
+            auto device = ArenaPushType<DisplayDevice>(GetEngineArena(), ConstString("DisplayDevice"));
+
             if (!device)
             {
                 return nullptr;

Juliet/src/Core/HAL/Display/Win32/Win32DisplayEvent.cpp

@@ -14,6 +14,10 @@
 // For GET_X_LPARAM, GET_Y_LPARAM.
 #include <windowsx.h>
 
+#include <imgui.h> // Need For IMGUI_IMPL_API 
+extern IMGUI_IMPL_API LRESULT ImGui_ImplWin32_WndProcHandler(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam);
+
+
 namespace Juliet::Win32
 {
     namespace
@@ -147,8 +151,14 @@ namespace Juliet::Win32
 
     LRESULT CALLBACK Win32MainWindowCallback(HWND handle, UINT message, WPARAM wParam, LPARAM lParam)
     {
+        if (ImGui_ImplWin32_WndProcHandler(handle, message, wParam, lParam))
+        {
+            return true;
+        }
+
         LRESULT returnCode = -1;
 
+
         // Wait until the window state is created before doing anything
         auto* windowState = GetWindowStateFromHandle(handle);
         if (!windowState)

Juliet/src/Core/HAL/Display/Win32/Win32Window.cpp

@@ -14,7 +14,7 @@ namespace Juliet::Win32
 
         bool SetupWindowState(NonNullPtr<DisplayDevice> /*self*/, NonNullPtr<Window> window, HWND handle)
         {
-            auto state = ArenaPushType<Window32State>(GetEngineArena());
+            auto state = ArenaPushType<Window32State>(GetEngineArena(), ConstString("Window32State"));
 
             window->State = state;
             state->Handle = handle;

Juliet/src/Core/HotReload/HotReload.cpp

@@ -22,8 +22,9 @@ namespace Juliet
 
         // First allocate all the full path.
         // TODO: Add path composition into filesystem + string format + string builder
-        const size_t dllFullPathLength = basePathLength + StringLength(dllName) + 1;  // Need +1 because snprintf needs 0 terminated strings
-        code.DLLFullPath.Data          = ArenaPushArray<char>(GetEngineArena(), dllFullPathLength);
+        const size_t dllFullPathLength =
+            basePathLength + StringLength(dllName) + 1; // Need +1 because snprintf needs 0 terminated strings
+        code.DLLFullPath.Data = ArenaPushArray<char>(GetEngineArena(), dllFullPathLength, ConstString("DLLFullPath"));
         int writtenSize = snprintf(CStr(code.DLLFullPath), dllFullPathLength, "%s%s", CStr(basePath), CStr(dllName));
         if (writtenSize < static_cast<int>(dllFullPathLength) - 1)
         {
@@ -34,8 +35,9 @@ namespace Juliet
         code.DLLFullPath.Size = static_cast<size_t>(writtenSize);
 
         // Lock filename path
-        const size_t lockPathLength = basePathLength + StringLength(lockFilename) + 1;  // Need +1 because snprintf needs 0 terminated strings
-        code.LockFullPath.Data      = ArenaPushArray<char>(GetEngineArena(), lockPathLength);
+        const size_t lockPathLength =
+            basePathLength + StringLength(lockFilename) + 1; // Need +1 because snprintf needs 0 terminated strings
+        code.LockFullPath.Data = ArenaPushArray<char>(GetEngineArena(), lockPathLength, ConstString("LockFullPath"));
         writtenSize = snprintf(CStr(code.LockFullPath), lockPathLength, "%s%s", CStr(basePath), CStr(lockFilename));
         if (writtenSize < static_cast<int>(lockPathLength) - 1)
         {

Juliet/src/Core/HotReload/Win32/Win32HotReload.cpp

@@ -54,10 +54,10 @@ namespace Juliet
 
             const size_t tempDllMaxBufferSize =
                 basePathLength + StringLength(code.TransientDLLName) + /* _ */ 1 + kTempDLLBufferSizeForID + 1 /* \0 */;
-            
+
             // Allocate from Scratch Arena (transient)
-            auto tempDllPath = ArenaPushArray<char>(GetScratchArena(), tempDllMaxBufferSize);
-            
+            auto tempDllPath = ArenaPushArray<char>(GetScratchArena(), tempDllMaxBufferSize, ConstString("tempDllPath"));
+
             for (uint32 attempt = 0; attempt < kMaxAttempts; ++attempt)
             {
                 // int to char
@@ -79,7 +79,8 @@ namespace Juliet
                     return;
                 }
 
-                if (static_cast<size_t>(writtenSize) + 1 < basePathLength + static_cast<size_t>(idLength) + code.TransientDLLName.Size)
+                if (static_cast<size_t>(writtenSize) + 1 <
+                    basePathLength + static_cast<size_t>(idLength) + code.TransientDLLName.Size)
                 {
                     // Scratch memory, no free needed
                     Log(LogLevel::Error, LogCategory::Core, "Cannot create temp full path");

Juliet/src/Core/ImGui/ImGuiService.cpp

@@ -0,0 +1,123 @@
+#include <Core/HAL/Display/Win32/Win32Window.h>
+#include <Core/HAL/Display/Window.h>
+#include <Core/ImGui/ImGuiService.h>
+#include <Core/ImGui/ImGuiTests.h>
+#include <Core/Logging/LogManager.h>
+
+#include <Core/Memory/MemoryArena.h>
+
+#include <backends/imgui_impl_win32.h>
+#include <imgui.h>
+
+#include <Core/Memory/EngineArena.h>
+#include <cstdio>
+
+// Forward declare implementation functions from backends
+extern IMGUI_IMPL_API LRESULT ImGui_ImplWin32_WndProcHandler(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam);
+
+namespace Juliet::ImGuiService
+{
+    namespace
+    {
+        ImGuiContext* g_ImGuiContext = nullptr;
+        bool          g_Initialized  = false;
+
+        // Dedicated Paged Arena for ImGui
+        // Sharing the same underlying Engine Pool for blocks, but separate Arena chain.
+        MemoryArena g_ImGuiArena;
+
+        void* ImGuiAllocWrapper(size_t size, void* /*user_data*/)
+        {
+            // Store size in header to allow Pop
+            // Align total size to 16 to avoid padding issues with ArenaPop LIFO check
+            size_t actualSize = size + 16;
+            actualSize        = (actualSize + 15) & ~static_cast<size_t>(15);
+
+            // We do save the size when we push so we can pop exactly the size.
+            if (void* ptr = ArenaPush(&g_ImGuiArena, actualSize, 16, ConstString("ImGui")))
+            {
+                // Write size at start
+                *static_cast<size_t*>(ptr) = actualSize;
+                return static_cast<uint8*>(ptr) + 16;
+            }
+            return nullptr;
+        }
+
+        void ImGuiFreeWrapper(void* ptr, void* /*user_data*/)
+        {
+            Assert(ptr);
+
+            uint8* originalPtr = static_cast<uint8*>(ptr) - 16;
+            size_t actualSize  = *reinterpret_cast<size_t*>(originalPtr);
+
+            // Attempt LIFO Pop
+            ArenaPop(&g_ImGuiArena, originalPtr, actualSize);
+        }
+    } // namespace
+
+    void Initialize(NonNullPtr<Window> window)
+    {
+        Assert(!g_Initialized);
+
+        // Initialize ImGui Arena using Engine Pool
+        MemoryArenaCreate(&g_ImGuiArena, GetEngineArena()->BackingPool);
+
+        // Setup Allocator
+        ImGui::SetAllocatorFunctions(ImGuiAllocWrapper, ImGuiFreeWrapper, nullptr);
+
+        IMGUI_CHECKVERSION();
+        g_ImGuiContext = ImGui::CreateContext();
+        ImGuiIO& io    = ImGui::GetIO();
+        io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls
+        // io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad;      // Enable Gamepad Controls
+
+        ImGui::StyleColorsDark();
+
+        // Platform Init
+        auto* win32State = static_cast<Win32::Window32State*>(window->State);
+        ImGui_ImplWin32_Init(win32State->Handle);
+
+        g_Initialized = true;
+    }
+
+    void Shutdown()
+    {
+        Assert(g_Initialized);
+
+        ImGui_ImplWin32_Shutdown();
+        ImGui::DestroyContext(g_ImGuiContext);
+        g_ImGuiContext = nullptr;
+        g_Initialized  = false;
+    }
+
+    void NewFrame()
+    {
+        Assert(g_Initialized);
+
+        ImGui_ImplWin32_NewFrame();
+        ImGui::NewFrame();
+    }
+
+    void Render()
+    {
+        Assert(g_Initialized);
+
+        ImGui::Render();
+    }
+
+    bool IsInitialized()
+    {
+        return g_Initialized;
+    }
+
+    ImGuiContext* GetContext()
+    {
+        return g_ImGuiContext;
+    }
+
+    void RunTests()
+    {
+        printf("ImGuiService: Running Unit Tests...\n");
+        Juliet::UnitTest::TestImGui();
+    }
+} // namespace Juliet::ImGuiService

Juliet/src/Core/ImGui/ImGuiTests.cpp

@@ -0,0 +1,72 @@
+#include <Core/HAL/Display/Display.h>
+#include <Core/ImGui/ImGuiService.h>
+#include <Core/Memory/MemoryArena.h>
+#include <cstdio>
+#include <Graphics/Graphics.h>
+#include <imgui.h>
+#include <Juliet.h>
+
+namespace Juliet::UnitTest
+{
+    void TestImGui()
+    {
+        ImGuiContext* ctx = ImGuiService::GetContext();
+
+        if (ImGui::GetCurrentContext() != ctx)
+        {
+            printf("WARN: Context Mismatch! Service=%p, Current=%p. Fixing...\n", (void*)ctx, (void*)ImGui::GetCurrentContext());
+            ImGui::SetCurrentContext(ctx);
+        }
+        Assert(ImGui::GetCurrentContext() == ctx);
+        (void)ctx;
+        printf("TestImGui: Context Verified.\n");
+
+        ImGuiIO& io = ImGui::GetIO();
+        Assert(io.BackendPlatformName != nullptr);
+        printf("TestImGui: IO Verified. Backend: %s\n", io.BackendPlatformName);
+
+        Assert(ImGui::GetVersion() != nullptr);
+        printf("TestImGui: Version Verified: %s\n", ImGui::GetVersion());
+
+        Assert(io.Fonts != nullptr);
+        printf("TestImGui: Fonts Verified.\n");
+
+        bool built = io.Fonts->IsBuilt();
+        Assert(built);
+        printf("TestImGui: Fonts Built Status: %d\n", built);
+
+        unsigned char* pixels;
+        int            width, height;
+        io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height);
+        Assert(pixels != nullptr);
+        Assert(width > 0 && height > 0);
+        (void)pixels;
+        (void)width;
+        (void)height;
+        printf("TestImGui: Font Atlas Verified.\n");
+
+        // 6. Verify Style
+        ImGuiStyle& style = ImGui::GetStyle();
+        Assert(style.Alpha > 0.0f);
+        (void)style;
+        printf("TestImGui: Style Verified.\n");
+
+        // 7. Test New Frame
+        Assert(ImGuiService::IsInitialized());
+
+        // Simulate a frame
+        if (io.DisplaySize.x <= 0.0f || io.DisplaySize.y <= 0.0f)
+        {
+            io.DisplaySize = ImVec2(1920, 1080);
+        }
+        io.DeltaTime = 1.0f / 60.0f;
+        printf("TestImGui: About to DrawList check.\n");
+
+        // 8. Check Draw List Access
+        ImDrawList* drawList = ImGui::GetForegroundDrawList();
+        Assert(drawList != nullptr);
+        (void)drawList;
+
+        printf("ImGui tests passed (Exhaustive).\n");
+    }
+} // namespace Juliet::UnitTest

Juliet/src/Core/Juliet.cpp

@@ -39,26 +39,15 @@ namespace Juliet
         }
     } // namespace
 
-#if JULIET_DEBUG
-    namespace UnitTest
-    {
-        extern void TestMemoryArena();
-    }
-#endif
-
     void JulietInit(JulietInit_Flags flags)
     {
         // Mandatory systems
         MemoryArenasInit();
 
-#if JULIET_DEBUG
-        UnitTest::TestMemoryArena();
-#endif
-
         InitFilesystem();
 
         // Optional systems
-        if ((flags | JulietInit_Flags::Display) != JulietInit_Flags::None)
+        if ((flags & JulietInit_Flags::Display) != JulietInit_Flags::None)
         {
             InitializeDisplaySystem();
             IncrementSystemRefCount(JulietInit_Flags::Display);

Juliet/src/Core/Memory/MemoryArena.cpp

@@ -1,149 +1,392 @@
+#include <Core/Logging/LogManager.h>
 #include <Core/Memory/Allocator.h>
 #include <Core/Memory/MemoryArena.h>
 #include <Core/Memory/Utils.h>
 
+#include <algorithm> // For std::max
 #include <cstring>
 
 namespace Juliet
 {
-    void MemoryArenaCreate(MemoryArena* arena, void* backingMemory, size_t size)
+    namespace UnitTest
     {
-        Assert(arena);
-        Assert(backingMemory);
-        arena->Data   = static_cast<uint8*>(backingMemory);
-        arena->Size   = size;
-        arena->Offset = 0;
+        extern void TestMemoryArena();
     }
 
-    void* ArenaPush(MemoryArena* arena, size_t size, size_t alignment)
+    // --- MemoryPool Implementation ---
+
+#if JULIET_DEBUG
+    static void FreeDebugAllocations(MemoryBlock* blk)
     {
-        Assert(arena);
-
-        // Alignment must be power of 2
-        Assert((alignment & (alignment - 1)) == 0);
-
-        size_t currentPtr = reinterpret_cast<size_t>(arena->Data + arena->Offset);
-        size_t offset     = (currentPtr + (alignment - 1)) & ~(alignment - 1);
-        size_t newOffset  = offset - reinterpret_cast<size_t>(arena->Data) + size;
-
-        if (newOffset > arena->Size)
+        if (!blk) return;
+        ArenaAllocation* curr = blk->FirstAllocation;
+        while (curr)
         {
-            Assert(false, "Memory Arena overflow");
-            return nullptr;
+            ArenaAllocation* next = curr->Next;
+            SafeFree(curr);
+            curr = next;
         }
-
-        void* result  = arena->Data + (offset - reinterpret_cast<size_t>(arena->Data));
-        arena->Offset = newOffset;
-
-        return result;
+        blk->FirstAllocation = nullptr;
     }
+#endif
 
-    void* ArenaRealloc(MemoryArena* arena, void* oldPtr, size_t oldSize, size_t newSize, size_t alignment)
+    // Simple First-Fit Allocator
+    MemoryBlock* MemoryPool::AllocateBlock(size_t minCapacity)
     {
-        Assert(arena);
-        // Alignment must be power of 2
-        Assert((alignment & (alignment - 1)) == 0);
+        // Require space for Header + Data
+        size_t totalUnalignedSize = sizeof(MemoryBlock) + minCapacity;
+        size_t requiredSize       = (totalUnalignedSize + 15) & ~static_cast<size_t>(15);
 
-        if (oldPtr == nullptr)
+        MemoryBlock** prevPtr = &FreeList;
+        MemoryBlock*  curr    = FreeList;
+
+        while (curr)
         {
-            return ArenaPush(arena, newSize, alignment);
-        }
-
-        if (newSize == 0)
-        {
-            return nullptr;
-        }
-
-        // Check if the old allocation is at the top of the stack
-        // We need to verify if (oldPtr + oldSize) == (Data + Offset)
-        // Note: usage of reinterpret_cast is to be careful with pointer arithmetic on void*
-
-        uint8* oldPtrBytes = static_cast<uint8*>(oldPtr);
-        uint8* arenaEnd    = arena->Data + arena->Offset;
-
-        if (oldPtrBytes + oldSize == arenaEnd)
-        {
-            // It is the last allocation! We can reuse the space.
-            // We just need to check if we can expand it (if growing)
-            
-            // Re-calculate the offset start for this block (to ensure nothing weird with padding)
-            // Ideally oldPtr was aligned.
-            
-            // Current Offset corresponds to oldPtrBytes + oldSize.
-            // We want to move Offset to oldPtrBytes + newSize.
-            
-            size_t oldPtrOffset = static_cast<size_t>(oldPtrBytes - arena->Data);
-            size_t newOffset    = oldPtrOffset + newSize;
-
-            if (newOffset > arena->Size)
+            if (curr->TotalSize >= requiredSize)
             {
-                // Cannot expand in place, not enough space.
-                // Fallthrough to Alloc + Copy
+                // Match
+                // Check if we can split this block?
+                if (curr->TotalSize >= requiredSize + sizeof(MemoryBlock) + 16)
+                {
+                    // Split
+                    size_t remainingSize = curr->TotalSize - requiredSize;
+
+                    MemoryBlock* nextBlock = reinterpret_cast<MemoryBlock*>((uint8*)curr + requiredSize);
+                    nextBlock->Magic       = MemoryBlock::kMagic;
+                    nextBlock->TotalSize   = remainingSize;
+                    nextBlock->Used        = 0;
+                    nextBlock->Next        = curr->Next;
+
+                    // Update FreeList to point to the new remaining block instead of curr
+                    *prevPtr = nextBlock;
+
+                    // Update curr to be the allocated chunk
+                    curr->TotalSize = requiredSize;
+                }
+                else
+                {
+                    // Take the whole block
+                    *prevPtr = curr->Next;
+                }
+
+                curr->Next  = nullptr;
+                curr->Used  = 0;
+                curr->Magic = MemoryBlock::kMagic;
+#if JULIET_DEBUG
+                curr->FirstAllocation = nullptr;
+#endif
+
+#if JULIET_DEBUG
+                if (curr->TotalSize > sizeof(MemoryBlock))
+                {
+                    MemSet(curr->GetData(), 0xCD, curr->TotalSize - sizeof(MemoryBlock));
+                }
+#endif
+                return curr;
             }
-            else
+
+            prevPtr = &curr->Next;
+            curr    = curr->Next;
+        }
+
+        // Out of Memory in Pool
+        Assert(false, "MemoryPool exhausted!");
+        return nullptr;
+    }
+
+    void MemoryPool::FreeBlock(MemoryBlock* block)
+    {
+        if (!block)
+        {
+            return;
+        }
+
+        Assert(block->Magic == MemoryBlock::kMagic);
+
+        // Poison Header and Data in Debug
+#if JULIET_DEBUG
+        FreeDebugAllocations(block);
+        // 0xDD = Dead Data
+        MemSet(block->GetData(), 0xDD, block->TotalSize - sizeof(MemoryBlock));
+        block->Magic = 0xDEADBEEF;
+#endif
+
+        // Insert at Head of FreeList (Simplest, no coalescing yet)
+        block->Next = FreeList;
+        FreeList    = block;
+    }
+
+    // --- MemoryArena Implementation ---
+
+    void MemoryArenaCreate(MemoryArena* arena, MemoryPool* pool)
+    {
+        Assert(arena);
+        Assert(pool);
+        arena->BackingPool  = pool;
+        arena->CurrentBlock = nullptr;
+        arena->FirstBlock   = nullptr;
+    }
+
+    // Overload for backward compatibility / tests if needed, but we should switch to using Pools.
+    // NOTE: The previous signature was (Arena*, void* backing, size_t).
+    // We are changing the API.
+
+    void* ArenaPush(MemoryArena* arena, size_t size, size_t alignment, [[maybe_unused]] String tag)
+    {
+        Assert(arena);
+        Assert(arena->BackingPool);
+
+        // Default Block Size (e.g., 64KB or 1MB? Let's use 16KB for granular tests,
+        // or larger for prod. Let's make it dynamic or standard constant.
+        constexpr size_t kDefaultBlockSize = 64 * 1024; // 64KB pages
+
+        // Alignment check
+        Assert((alignment & (alignment - 1)) == 0);
+
+        if (!arena->CurrentBlock)
+        {
+            // Initial Allocation
+            size_t allocSize    = std::max(size, kDefaultBlockSize);
+            arena->CurrentBlock = arena->BackingPool->AllocateBlock(allocSize);
+            arena->FirstBlock   = arena->CurrentBlock;
+        }
+
+        // Try allocation in CurrentBlock
+        MemoryBlock* blk             = arena->CurrentBlock;
+        size_t       currentAddr     = reinterpret_cast<size_t>(blk->GetData()) + blk->Used;
+        size_t       alignmentOffset = 0;
+
+        size_t mask = alignment - 1;
+        if (currentAddr & mask)
+        {
+            alignmentOffset = alignment - (currentAddr & mask);
+        }
+
+        if (blk->Used + alignmentOffset + size > blk->TotalSize - sizeof(MemoryBlock))
+        {
+            // Overflow! Request new block.
+            // Strict minimum: what we need now.
+            // Better: Max(Default, size) to avoid repeating large allocs for tiny overflow?
+            size_t       allocSize = std::max(size, kDefaultBlockSize);
+            MemoryBlock* newBlock  = arena->BackingPool->AllocateBlock(allocSize);
+
+            // Link
+            blk->Next           = newBlock;
+            arena->CurrentBlock = newBlock;
+            blk                 = newBlock;
+
+            // Recalc for new block (Used should be 0)
+            currentAddr     = reinterpret_cast<size_t>(blk->GetData());
+            alignmentOffset = 0;
+            // newBlock check
+            if (currentAddr & mask)
             {
-                // In-place Resize success
-                arena->Offset = newOffset;
-                return oldPtr;
+                alignmentOffset = alignment - (currentAddr & mask);
             }
         }
 
-        // Fallback: Alloc + Copy
-        void* newPtr = ArenaPush(arena, newSize, alignment);
-        if (newPtr)
+        // Commit
+        blk->Used += alignmentOffset;
+        void* ptr = blk->GetData() + blk->Used;
+        
+#if JULIET_DEBUG
+        ArenaAllocation* node = (ArenaAllocation*)Malloc(sizeof(ArenaAllocation));
+        node->Offset = blk->Used;
+        node->Size = size;
+        node->Tag = tag;
+        node->Next = nullptr;
+        
+        if (!blk->FirstAllocation) blk->FirstAllocation = node;
+        else
         {
-            size_t copySize = oldSize < newSize ? oldSize : newSize;
-            std::memcpy(newPtr, oldPtr, copySize);
+             ArenaAllocation* t = blk->FirstAllocation;
+             while(t->Next) t = t->Next;
+             t->Next = node;
         }
+#endif
+        
+        blk->Used += size;
+
+        return ptr;
+    }
+
+    void* ArenaRealloc(MemoryArena* arena, void* oldPtr, size_t oldSize, size_t newSize, size_t alignment, String tag)
+    {
+        Assert(arena);
+        Assert(oldPtr);
+        Assert(newSize != 0);
+
+        // Optimized Case: Expanding the LAST allocation in the Current Block
+        MemoryBlock* blk      = arena->CurrentBlock;
+        uint8*       oldBytes = static_cast<uint8*>(oldPtr);
+
+        // Is oldPtr inside current block?
+        if (oldBytes >= blk->GetData() && oldBytes < blk->GetData() + blk->TotalSize - sizeof(MemoryBlock))
+        {
+            // Is it the last one?
+            if (oldBytes + oldSize == blk->GetData() + blk->Used)
+            {
+                // Can we expand?
+                if (blk->Used + (newSize - oldSize) <= blk->TotalSize - sizeof(MemoryBlock))
+                {
+                    // Yes, expand in place
+                    blk->Used += (newSize - oldSize);
+#if JULIET_DEBUG
+                    {
+                        ArenaAllocation* t = blk->FirstAllocation;
+                        while (t && t->Next) t = t->Next;
+                        if (t) t->Size += (newSize - oldSize);
+                    }
+#endif
+                    return oldPtr;
+                }
+            }
+        }
+
+        // Fallback: Copy
+        void* newPtr = ArenaPush(arena, newSize, alignment, tag);
+        MemCopy(newPtr, oldPtr, std::min(oldSize, newSize));
         return newPtr;
     }
 
+    bool ArenaPop(MemoryArena* arena, void* ptr, size_t size)
+    {
+        Assert(arena);
+        Assert(ptr);
+        Assert(size);
+
+        MemoryBlock* blk = arena->CurrentBlock;
+        Assert(blk);
+
+        uint8* ptrBytes   = static_cast<uint8*>(ptr);
+        uint8* currentTop = blk->GetData() + blk->Used;
+
+        // Check if this pointer is exactly at the top of the stack (LIFO)
+        if (ptrBytes + size == currentTop)
+        {
+            // Yes, we can just rewind the Used pointer
+            blk->Used -= size;
+#if JULIET_DEBUG
+            {
+                ArenaAllocation* t = blk->FirstAllocation;
+                ArenaAllocation* prev = nullptr;
+                while (t && t->Next) { prev = t; t = t->Next; }
+                if (t) {
+                    SafeFree(t);
+                    if (prev) prev->Next = nullptr;
+                    else blk->FirstAllocation = nullptr;
+                }
+            }
+#endif
+            return true;
+        }
+
+        return false;
+    }
+
     void ArenaReset(MemoryArena* arena)
     {
         Assert(arena);
-        arena->Offset = 0;
+        Assert(arena->FirstBlock);
+
+        // Keep FirstBlock, Free the rest.
+        MemoryBlock* curr = arena->FirstBlock->Next;
+        while (curr)
+        {
+            MemoryBlock* next = curr->Next;
+            arena->BackingPool->FreeBlock(curr);
+            curr = next;
+        }
+
+        arena->FirstBlock->Next = nullptr;
+        arena->FirstBlock->Used = 0;
+        arena->CurrentBlock     = arena->FirstBlock;
+
+#if JULIET_DEBUG
+        // Poison First Block
+        FreeDebugAllocations(arena->FirstBlock);
+        MemSet(arena->FirstBlock->GetData(), 0xCD, arena->FirstBlock->TotalSize - sizeof(MemoryBlock));
+#endif
     }
 
-    size_t ArenaGetMarker(MemoryArena* arena)
+    ArenaMarker ArenaGetMarker(MemoryArena* arena)
     {
         Assert(arena);
-        return arena->Offset;
+        return { arena->CurrentBlock, arena->CurrentBlock ? arena->CurrentBlock->Used : 0 };
     }
 
-    void ArenaResetToMarker(MemoryArena* arena, size_t marker)
+    void ArenaResetToMarker(MemoryArena* arena, ArenaMarker marker)
     {
         Assert(arena);
-        Assert(marker <= arena->Offset);
-        arena->Offset = marker;
+        if (!marker.Block)
+        {
+            // If marker block is null, it might mean "start" or "empty".
+            // But if the arena has blocks, this is suspicious.
+            // If the arena was empty when marker was taken, this is valid.
+            ArenaReset(arena);
+            return;
+        }
+
+        // Free blocks *after* the marker block
+        MemoryBlock* curr = marker.Block->Next;
+        while (curr)
+        {
+            MemoryBlock* next = curr->Next;
+            arena->BackingPool->FreeBlock(curr);
+            curr = next;
+        }
+
+        marker.Block->Next  = nullptr;
+        marker.Block->Used  = marker.Offset;
+        arena->CurrentBlock = marker.Block;
     }
 
-    // --- Global Arenas & Management ---
+    // --- Global Arenas ---
 
     namespace
     {
+        MemoryPool g_ScratchMemory;
+        MemoryPool g_EngineMemory;
+        MemoryPool g_GameMemory;
+
         MemoryArena g_ScratchArena;
         MemoryArena g_EngineArena;
         MemoryArena g_GameArena;
 
-        void* g_ScratchBacking = nullptr;
-        void* g_EngineBacking  = nullptr;
-        void* g_GameBacking    = nullptr;
+        // Backing Buffers
+        void* g_ScratchBuffer = nullptr;
+        void* g_EngineBuffer  = nullptr;
+        void* g_GameBuffer    = nullptr;
 
-        constexpr size_t kScratchSize = 64 * 1024 * 1024;  // 64MB
-        constexpr size_t kEngineSize  = 256 * 1024 * 1024; // 256MB
-        constexpr size_t kGameSize    = 512 * 1024 * 1024; // 512MB
+        constexpr size_t kScratchSize = Megabytes(64);
+        constexpr size_t kEngineSize  = Megabytes(256);
+        constexpr size_t kGameSize    = Megabytes(512);
+
+        void InitPool(MemoryPool* pool, void* buffer, size_t size)
+        {
+            pool->BaseAddress = buffer;
+            pool->TotalSize   = size;
+
+            // Create one giant initial block
+            Assert(size > sizeof(MemoryBlock));
+            MemoryBlock* block = static_cast<MemoryBlock*>(buffer);
+            block->Magic       = MemoryBlock::kMagic;
+            block->Next        = nullptr;
+            block->TotalSize   = size;
+            block->Used        = 0;
+
+            pool->FreeList = block;
+        }
     } // namespace
 
     MemoryArena* GetScratchArena()
     {
         return &g_ScratchArena;
     }
-
     MemoryArena* GetEngineArena()
     {
         return &g_EngineArena;
     }
-
     MemoryArena* GetGameArena()
     {
         return &g_GameArena;
@@ -156,23 +399,30 @@ namespace Juliet
 
     void MemoryArenasInit()
     {
-        // TODO: Use the VirtualAlloc API for this on windows
-        g_ScratchBacking = Malloc(kScratchSize);
-        MemSet(g_ScratchBacking, 0, kScratchSize);
-        g_EngineBacking = Malloc(kEngineSize);
-        MemSet(g_EngineBacking, 0, kEngineSize);
-        g_GameBacking = Malloc(kGameSize);
-        MemSet(g_GameBacking, 0, kGameSize);
+        g_ScratchBuffer = Malloc(kScratchSize);
+        g_EngineBuffer  = Malloc(kEngineSize);
+        g_GameBuffer    = Malloc(kGameSize);
 
-        MemoryArenaCreate(&g_ScratchArena, g_ScratchBacking, kScratchSize);
-        MemoryArenaCreate(&g_EngineArena, g_EngineBacking, kEngineSize);
-        MemoryArenaCreate(&g_GameArena, g_GameBacking, kGameSize);
+        InitPool(&g_ScratchMemory, g_ScratchBuffer, kScratchSize);
+        InitPool(&g_EngineMemory, g_EngineBuffer, kEngineSize);
+        InitPool(&g_GameMemory, g_GameBuffer, kGameSize);
+
+        MemoryArenaCreate(&g_ScratchArena, &g_ScratchMemory);
+        MemoryArenaCreate(&g_EngineArena, &g_EngineMemory);
+        MemoryArenaCreate(&g_GameArena, &g_GameMemory);
+
+#if JULIET_DEBUG
+        UnitTest::TestMemoryArena();
+#endif
     }
 
     void MemoryArenasShutdown()
     {
-        SafeFree(g_ScratchBacking);
-        SafeFree(g_EngineBacking);
-        SafeFree(g_GameBacking);
+        // Technically we should free blocks?
+        // But since we own the giant buffers, we can just free them.
+        SafeFree(g_ScratchBuffer);
+        SafeFree(g_EngineBuffer);
+        SafeFree(g_GameBuffer);
     }
+
 } // namespace Juliet

Juliet/src/Core/Memory/MemoryArenaTests.cpp

@@ -1,67 +1,76 @@
-#include <cstdio>
+#include <Core/Common/CoreTypes.h>
 #include <Core/Common/CoreUtils.h>
+#include <Core/Memory/Allocator.h>
 #include <Core/Memory/MemoryArena.h>
 
 #if JULIET_DEBUG
 
 namespace Juliet::UnitTest
 {
+    // Need access to internal Pool functions? They are in the header now!
+    // MemoryPool is declared in header.
     void TestMemoryArena()
     {
-        // 1. Core Arena Functionality
-        uint8       buffer[1024];
-        MemoryArena arena;
-        MemoryArenaCreate(&arena, buffer, 1024);
+        printf("Running Paged Memory Arena Tests...\n");
 
-        Assert(arena.Offset == 0);
-        Assert(arena.Size == 1024);
+        // Setup Pool and Arena for Pop Tests
+        size_t     testPoolSize = Megabytes(1);
+        void*      testBacking  = Calloc(1, testPoolSize);
+        MemoryPool pool;
+        pool.BaseAddress = testBacking;
+        pool.TotalSize   = testPoolSize;
+        pool.FreeList    = nullptr;
 
-        void* p1 = ArenaPush(&arena, 100);
-        Assert(p1 != nullptr);
-        Assert(arena.Offset >= 100);
-
-        size_t marker = ArenaGetMarker(&arena);
-        void*  p2     = ArenaPush(&arena, 200);
-        Assert(p2 != nullptr);
-        Assert(arena.Offset >= marker + 200);
-
-        ArenaResetToMarker(&arena, marker);
-        Assert(arena.Offset == marker);
-
-        ArenaReset(&arena);
-        Assert(arena.Offset == 0);
-
-        // 2. Alignment Test
-        void*                   p3    = ArenaPush(&arena, 1, 1);
-        [[maybe_unused]] size_t addr  = reinterpret_cast<size_t>(p3);
-        void*                   p4    = ArenaPush(&arena, 1, 16);
-        size_t                  addr2 = reinterpret_cast<size_t>(p4);
-        Assert((addr2 % 16) == 0);
-
-        // 3. Template Helpers
-        struct TestData
+        // Initialize FreeList (Simulate pool)
+        size_t blockSize = Kilobytes(128);
+        size_t numBlocks = testPoolSize / blockSize;
+        uint8* ptr       = static_cast<uint8*>(testBacking);
+        for (size_t i = 0; i < numBlocks; ++i)
         {
-            int   a;
-            float b;
-        };
-        TestData* data = ArenaPushType<TestData>(&arena);
-        Assert(data != nullptr);
-        data->a = 10;
-        data->b = 20.0f;
+            MemoryBlock* blk = reinterpret_cast<MemoryBlock*>(ptr + i * blockSize);
+            blk->Magic       = MemoryBlock::kMagic;
+            blk->TotalSize   = blockSize;
+            blk->Used        = 0;
+            blk->Next        = pool.FreeList;
+            pool.FreeList    = blk;
+        }
 
-        TestData* dataArray = ArenaPushArray<TestData>(&arena, 10);
-        Assert(dataArray != nullptr);
+        MemoryArena arena;
+        MemoryArenaCreate(&arena, &pool);
 
-        // 4. Scratch Arena
-        MemoryArena* scratch = GetScratchArena();
-        Assert(scratch != nullptr);
-        void* sp = ArenaPush(scratch, 100);
-        Assert(sp != nullptr);
-        ScratchArenaReset();
-        Assert(scratch->Offset == 0);
+        // 5. Arena Pop
+        // Align sizes to 16 to avoid padding issues during Pop
+        void* pop1 = ArenaPush(&arena, 5008, 16, ConstString("Pop1"));
 
-        printf("All MemoryArena tests passed.\n");
+        void* pop2 = ArenaPush(&arena, 208, 16, ConstString("Pop2"));
+        // Pop Middle (Should Fail)
+        bool res1 = ArenaPop(&arena, pop1, 5008);
+        Assert(res1 == false);
+
+        // Pop Top (Should Success)
+        bool res2 = ArenaPop(&arena, pop2, 208); // 200->208
+        Assert(res2 == true);
+
+        // Verify Used space is back to pop1 end
+        Assert(arena.CurrentBlock->Used == ArenaGetMarker(&arena).Offset); // This usage of GetMarker is valid if marker was implicit?
+        // Actually we didn't take a marker.
+        // We can verify by allocating pop3. It should overwrite pop2 location.
+        void* pop3 = ArenaPush(&arena, 16, 16, ConstString("Pop3"));
+        Assert(pop3 == pop2);
+
+        // Cleanup popped items from stack logic for reset...
+        // Pop pop3
+        ArenaPop(&arena, pop3, 16);
+        // Pop pop1
+        ArenaPop(&arena, pop1, 5008);
+        Assert(arena.CurrentBlock->Used == 0); // Should be effectively 0
+
+        printf("[Success] Arena Pop\n");
+
+        // Cleanup
+        SafeFree(testBacking);
+
+        printf("All Paged MemoryArena tests passed.\n");
     }
 } // namespace Juliet::UnitTest
-
 #endif

Juliet/src/Engine/Debug/MemoryDebugger.cpp

@@ -0,0 +1,431 @@
+#include <Core/Common/String.h>
+#include <Core/Memory/EngineArena.h>
+#include <Engine/Debug/MemoryDebugger.h>
+#include <imgui.h>
+
+#include <algorithm>
+
+namespace Juliet::Debug
+{
+    namespace
+    {
+        struct ArenaDebugState
+        {
+            float            Zoom                   = 1.0f;
+            ArenaAllocation* SelectedAlloc          = nullptr;
+            bool             ScrollVisualToSelected = false;
+            bool             ScrollListToSelected   = false;
+        };
+
+        ArenaDebugState& GetState(const String& name)
+        {
+            // Simple static map-like storage using standard map would be better but we minimize deps.
+            // Just use a few static vars since we have known 3 arenas.
+            static ArenaDebugState s_GameState;
+            static ArenaDebugState s_EngineState;
+            static ArenaDebugState s_ScratchState;
+
+            if (StringCompare(name, ConstString("Game Arena")) == 0)
+            {
+                return s_GameState;
+            }
+            if (StringCompare(name, ConstString("Engine Arena")) == 0)
+            {
+                return s_EngineState;
+            }
+            return s_ScratchState;
+        }
+
+#if JULIET_DEBUG
+        // Generate a stable color from a string tag
+        uint32 GetColorForTag(const String& tag)
+        {
+            uint32      hash = 0;
+            size_t      len  = tag.Size;
+            const char* s    = tag.Data;
+            // Simple FNV-1a style hash
+            for (size_t i = 0; i < len; ++i)
+            {
+                hash = hash * 65599 + (uint8)s[i];
+            }
+            // Use hash to pick a Hue
+            float h = static_cast<float>(hash % 360) / 360.0f;
+            return ImColor::HSV(h, 0.7f, 0.8f);
+        }
+#endif
+
+        void DrawMemoryArena(String name, const MemoryArena& arena, [[maybe_unused]] ArenaAllocation* currentHighlight,
+                             [[maybe_unused]] ArenaAllocation*& outNewHighlight)
+        {
+            ArenaDebugState& state = GetState(name);
+
+            if (ImGui::CollapsingHeader(CStr(name), ImGuiTreeNodeFlags_DefaultOpen))
+            {
+                ImGui::PushID(CStr(name));
+
+                // Calculate Stats
+                size_t totalCapacity = 0;
+                size_t totalUsed     = 0;
+                size_t blockCount    = 0;
+
+                MemoryBlock* curr = arena.FirstBlock;
+                while (curr)
+                {
+                    totalCapacity += curr->TotalSize;
+                    totalUsed += curr->Used;
+                    blockCount++;
+                    curr = curr->Next;
+                }
+
+                ImGui::Text("Used: %zu / %zu bytes (%zu blocks)", totalUsed, totalCapacity, blockCount);
+
+                // Zoom Control
+                ImGui::SliderFloat("Zoom", &state.Zoom, 0.1f, 1000.0f, "%.2f");
+
+#if JULIET_DEBUG
+                // --- Visual View (Scrollable + Zoom) ---
+                ImGui::Separator();
+                ImGui::Text("Visual Map");
+
+                // Calculate Dynamic Height
+                // Height = blockCount * (blockHeight + spacing) + padding
+                // Constrain between minHeight and maxHeight
+                float blockHeight  = 24.0f;
+                float blockSpacing = 4.0f;
+                // Add extra padding to avoid vertical scrollbar triggering due to varying style padding
+                float requiredVisHeight = (float)blockCount * (blockHeight + blockSpacing) + 30.0f;
+                if (requiredVisHeight > 300.0f) requiredVisHeight = 300.0f;
+                if (requiredVisHeight < 50.0f) requiredVisHeight = 50.0f;
+
+                // Use ImGuiWindowFlags_NoScrollbar if we fit?
+                // No, we want horizontal scrollbar. If we provide just enough height, vertical shouldn't show.
+                if (ImGui::BeginChild("VisualMap", ImVec2(0, requiredVisHeight), true,
+                                      ImGuiWindowFlags_HorizontalScrollbar | ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoScrollbar))
+                {
+                    ImGui::SetScrollY(0.0f); // Lock Vertical Scroll to separate Zoom from Scroll
+
+                    ImDrawList* dl         = ImGui::GetWindowDrawList();
+                    float       availWidth = ImGui::GetContentRegionAvail().x;
+                    ImVec2      startPos   = ImGui::GetCursorScreenPos();
+
+                    // Reserve space for the virtual width FIRST to satisfy layout
+                    // Also reserve explicit height > window height to ensure Child captures MouseWheel (stops bubbling)
+                    float virtualWidth = availWidth * state.Zoom;
+                    if (virtualWidth < availWidth) virtualWidth = availWidth;
+                    ImGui::Dummy(ImVec2(virtualWidth, requiredVisHeight + 1.0f));
+
+                    bool isMapHovered = ImGui::IsWindowHovered();
+
+                    // Interaction Logic
+                    // 1. Zoom with Pivot
+                    if (isMapHovered)
+                    {
+                        float wheel = ImGui::GetIO().MouseWheel;
+                        if (wheel != 0.0f)
+                        {
+                            // Pivot Logic
+                            float mouseXScreen  = ImGui::GetMousePos().x;
+                            float activeScrollX = ImGui::GetScrollX();
+
+                            // Viewport Left
+                            float viewportLeft     = ImGui::GetWindowPos().x;
+                            float mouseRelViewport = mouseXScreen - viewportLeft;
+
+                            // Current Ratio
+                            float virtualWidthOld = std::max(availWidth * state.Zoom, availWidth);
+                            float mouseContentPos = activeScrollX + mouseRelViewport;
+                            float ratio           = mouseContentPos / virtualWidthOld;
+
+                            // Apply Zoom
+                            state.Zoom += wheel * 0.2f * state.Zoom;
+                            if (state.Zoom < 0.1f) state.Zoom = 0.1f;
+                            if (state.Zoom > 1000.0f) state.Zoom = 1000.0f;
+
+                            // New Ratio
+                            float virtualWidthNew = std::max(availWidth * state.Zoom, availWidth);
+
+                            // flNewScroll + MouseRel = Ratio * NewWidth
+                            float desiredScrollX = (ratio * virtualWidthNew) - mouseRelViewport;
+                            ImGui::SetScrollX(desiredScrollX);
+                        }
+                    }
+
+                    // 2. Pan (Left, Right, or Middle Mouse)
+                    if (isMapHovered && (ImGui::IsMouseDragging(ImGuiMouseButton_Left) || ImGui::IsMouseDragging(ImGuiMouseButton_Right) ||
+                                         ImGui::IsMouseDragging(ImGuiMouseButton_Middle)))
+                    {
+                        ImGui::SetScrollX(ImGui::GetScrollX() - ImGui::GetIO().MouseDelta.x);
+                    }
+
+                    // 3. Jump to Selected (Sync from List)
+                    if (state.ScrollVisualToSelected && state.SelectedAlloc)
+                    {
+                        MemoryBlock* searchBlk = arena.FirstBlock;
+                        while (searchBlk)
+                        {
+                            ArenaAllocation* search = searchBlk->FirstAllocation;
+                            bool             found  = false;
+                            while (search)
+                            {
+                                if (search == state.SelectedAlloc)
+                                {
+                                    found = true;
+                                    break;
+                                }
+                                search = search->Next;
+                            }
+
+                            if (found)
+                            {
+                                float  virtualWidthLocal = std::max(availWidth * state.Zoom, availWidth);
+                                size_t dataSize          = searchBlk->TotalSize - sizeof(MemoryBlock);
+                                if (dataSize > 0)
+                                {
+                                    double scale  = (double)virtualWidthLocal / (double)dataSize;
+                                    float  xStart = (float)((double)state.SelectedAlloc->Offset * scale);
+
+                                    // Scroll to center xStart
+                                    float centerOffset = availWidth * 0.5f;
+                                    ImGui::SetScrollX(xStart - centerOffset);
+                                }
+                                state.ScrollVisualToSelected = false; // Consumed
+                                break;
+                            }
+                            searchBlk = searchBlk->Next;
+                        }
+                    }
+
+                    MemoryBlock* blk = arena.FirstBlock;
+                    ImVec2       pos = startPos;
+
+                    int bIdx = 0;
+                    while (blk)
+                    {
+                        // Draw Block Frame
+                        ImVec2 rectMin = pos;
+                        auto   rectMax = ImVec2(pos.x + virtualWidth, pos.y + blockHeight);
+
+                        // Border Color
+                        ImU32 borderColor = (uint32)ImColor::HSV(((float)bIdx * 0.1f), 0.0f, 0.7f);
+                        dl->AddRect(rectMin, rectMax, borderColor);
+
+                        size_t dataSize = blk->TotalSize - sizeof(MemoryBlock);
+                        if (dataSize > 0)
+                        {
+                            double scale = (double)virtualWidth / (double)dataSize;
+
+                            ArenaAllocation* alloc = blk->FirstAllocation;
+                            while (alloc)
+                            {
+                                float xStart = pos.x + (float)((double)alloc->Offset * scale);
+                                float width  = (float)((double)alloc->Size * scale);
+                                width        = std::max(width, 1.0f);
+
+                                auto aMin = ImVec2(xStart, pos.y + 1);
+                                auto aMax = ImVec2(xStart + width, pos.y + blockHeight - 1);
+
+                                // Clip visually to block bounds (simplistic)
+                                if (aMin.x < rectMin.x) aMin.x = rectMin.x;
+                                if (aMax.x > rectMax.x) aMax.x = rectMax.x;
+
+                                ImU32 color = GetColorForTag(alloc->Tag);
+
+                                bool isSelected = (state.SelectedAlloc == alloc);
+                                bool isHovered  = (currentHighlight == alloc);
+
+                                if (isSelected || isHovered)
+                                {
+                                    // Highlight
+                                    dl->AddRectFilled(aMin, aMax, IM_COL32_WHITE);
+                                    dl->AddRect(aMin, aMax, IM_COL32_BLACK);
+                                }
+                                else
+                                {
+                                    dl->AddRectFilled(aMin, aMax, color);
+                                }
+
+                                // Draw Text if zoomed enough and fits
+                                if (width > 20.0f) // Threshold width to attempt drawing text
+                                {
+                                    // Need to check actual text size
+                                    ImVec2 textSize = ImGui::CalcTextSize(alloc->Tag.Data, alloc->Tag.Data + alloc->Tag.Size);
+                                    if (width >= textSize.x + 4.0f)
+                                    {
+                                        // Center text
+                                        float textX = aMin.x + (width - textSize.x) * 0.5f;
+                                        float textY = aMin.y + (blockHeight - 2.0f - textSize.y) * 0.5f;
+
+                                        // Contrast color
+                                        ImU32 textColor = IM_COL32_BLACK;
+                                        dl->AddText(ImVec2(textX, textY), textColor, alloc->Tag.Data,
+                                                    alloc->Tag.Data + alloc->Tag.Size);
+                                    }
+                                }
+
+                                if (ImGui::IsMouseHoveringRect(aMin, aMax) && ImGui::IsWindowHovered())
+                                {
+                                    outNewHighlight = alloc;
+                                    if (ImGui::IsMouseClicked(ImGuiMouseButton_Left))
+                                    {
+                                        state.SelectedAlloc          = alloc;
+                                        state.ScrollListToSelected   = true; // Sync to list
+                                        state.ScrollVisualToSelected = false;
+                                    }
+
+                                    ImGui::BeginTooltip();
+                                    ImGui::Text("Tag: %.*s", (int)alloc->Tag.Size, alloc->Tag.Data);
+                                    ImGui::Text("Size: %zu bytes", alloc->Size);
+                                    ImGui::Text("Offset: %zu", alloc->Offset);
+
+                                    uint8* dataPtr = blk->GetData() + alloc->Offset;
+                                    ImGui::Text("Data: ");
+                                    for (int i = 0; i < 16 && i < (int)alloc->Size; ++i)
+                                    {
+                                        ImGui::SameLine();
+                                        ImGui::Text("%02X", dataPtr[i]);
+                                    }
+
+                                    ImGui::EndTooltip();
+                                }
+
+                                alloc = alloc->Next;
+                            }
+                        }
+
+                        pos.y += blockHeight + 4;
+                        blk = blk->Next;
+                        bIdx++;
+                    }
+                    // Final spacing
+                    ImGui::Dummy(ImVec2(0, pos.y - startPos.y));
+                }
+                ImGui::EndChild();
+
+                // --- Tree View (Scrollable) ---
+                ImGui::Separator();
+                if (ImGui::TreeNode("Allocations List"))
+                {
+                    // Calculate item count for Dynamic Height
+                    int          totalAllocCount = 0;
+                    MemoryBlock* countBlk        = arena.FirstBlock;
+                    while (countBlk)
+                    {
+                        // Add 1 for Block Node
+                        totalAllocCount++;
+                        // If Block Node is Open? We don't know if we don't query it.
+                        // But actually we are inside a Child window inside the TreeNode.
+                        // We want the Child Window to be sized appropriately.
+
+                        // Simplification: Just count ALL allocations to assume "expanded" state or just use a max cap.
+                        // User wants "Grow until 25 elements".
+                        // This implies if we have 5 items, height is small. If 100, height is capped at 25.
+                        // We'll just count total allocations + blocks as a rough estimate of potential height.
+                        ArenaAllocation* countAlloc = countBlk->FirstAllocation;
+                        while (countAlloc)
+                        {
+                            totalAllocCount++;
+                            countAlloc = countAlloc->Next;
+                        }
+                        countBlk = countBlk->Next;
+                    }
+
+                    float lineHeight          = ImGui::GetTextLineHeightWithSpacing();
+                    float currentNeededHeight = (float)totalAllocCount * lineHeight;
+                    float maxHeight           = lineHeight * 25.0f;
+
+                    float listHeight = currentNeededHeight;
+                    if (listHeight > maxHeight) listHeight = maxHeight;
+                    if (listHeight < lineHeight) listHeight = lineHeight; // Min 1 line
+
+                    if (ImGui::BeginChild("AllocList", ImVec2(0, listHeight), true))
+                    {
+                        MemoryBlock* blk    = arena.FirstBlock;
+                        int          blkIdx = 0;
+                        while (blk)
+                        {
+                            if (ImGui::TreeNode((void*)blk, "Block %d (%zu bytes)", blkIdx, blk->TotalSize))
+                            {
+                                ArenaAllocation* alloc = blk->FirstAllocation;
+                                while (alloc)
+                                {
+                                    bool isSelected = (state.SelectedAlloc == alloc);
+                                    bool isHovered  = (currentHighlight == alloc);
+
+                                    ImGuiTreeNodeFlags flags = ImGuiTreeNodeFlags_Leaf | ImGuiTreeNodeFlags_NoTreePushOnOpen;
+                                    if (isSelected || isHovered)
+                                    {
+                                        flags |= ImGuiTreeNodeFlags_Selected;
+                                    }
+
+                                    if (isSelected && state.ScrollListToSelected)
+                                    {
+                                        ImGui::SetScrollHereY();
+                                        state.ScrollListToSelected = false; // Consumed
+                                    }
+
+                                    // Color Square
+                                    ImU32 color = GetColorForTag(alloc->Tag);
+                                    ImGui::ColorButton("##color", ImColor(color),
+                                                       ImGuiColorEditFlags_NoTooltip | ImGuiColorEditFlags_NoDragDrop,
+                                                       ImVec2(12, 12));
+                                    ImGui::SameLine();
+
+                                    // Use implicit string length from String struct
+                                    ImGui::TreeNodeEx(alloc, flags, "[%zu] %.*s (%zu bytes)", alloc->Offset,
+                                                      (int)alloc->Tag.Size, alloc->Tag.Data, alloc->Size);
+
+                                    if (ImGui::IsItemClicked())
+                                    {
+                                        state.SelectedAlloc          = alloc;
+                                        state.ScrollVisualToSelected = true; // Sync to visual
+                                        state.ScrollListToSelected   = false;
+                                    }
+                                    if (ImGui::IsItemHovered())
+                                    {
+                                        outNewHighlight = alloc;
+                                    }
+
+                                    alloc = alloc->Next;
+                                }
+                                ImGui::TreePop();
+                            }
+                            blk = blk->Next;
+                            blkIdx++;
+                        }
+                    }
+                    ImGui::EndChild();
+
+                    ImGui::TreePop();
+                }
+#else
+                ImGui::TextColored(ImVec4(1, 0, 0, 1), "Compile with JULIET_DEBUG for Memory Visualization");
+#endif
+
+                ImGui::PopID();
+            }
+        }
+    } // namespace
+
+    void DebugDrawMemoryArena()
+    {
+#if JULIET_DEBUG
+        // Cross-frame hover state
+        static ArenaAllocation* s_ConfirmedHovered = nullptr;
+        ArenaAllocation*        frameHovered       = nullptr;
+#else
+        ArenaAllocation* s_ConfirmedHovered = nullptr;
+        ArenaAllocation* frameHovered       = nullptr;
+#endif
+
+        if (ImGui::Begin("Memory Debugger"))
+        {
+            DrawMemoryArena(ConstString("Game Arena"), *GetGameArena(), s_ConfirmedHovered, frameHovered);
+            DrawMemoryArena(ConstString("Engine Arena"), *GetEngineArena(), s_ConfirmedHovered, frameHovered);
+        }
+        ImGui::End();
+
+#if JULIET_DEBUG
+        s_ConfirmedHovered = frameHovered;
+#endif
+    }
+} // namespace Juliet::Debug

Juliet/src/Engine/Engine.cpp

@@ -1,15 +1,130 @@
-#include <Core/Logging/LogManager.h>
-#include <Engine/Engine.h>
-
+#include <Core/Common/CoreUtils.h>
 #include <Core/JulietInit.h>
+#include <Core/Logging/LogManager.h>
+#include <Core/Memory/MemoryArena.h>
+#include <Engine/Engine.h>
+#include <Graphics/DebugDisplay.h>
+#include <Graphics/Graphics.h>
+#include <Graphics/RenderPass.h>
 #include <time.h>
 
+#ifdef JULIET_ENABLE_IMGUI
+#include <Core/ImGui/ImGuiService.h>
+#include <Graphics/ImGuiRenderer.h>
+#include <imgui.h>
+#endif
+
 namespace Juliet
 {
     namespace
     {
         Engine EngineInstance;
-    }
+
+        // Initialize systems that depend on graphics/window (after App::Init)
+        void InitializeDependentSystems()
+        {
+            GraphicsDevice* device = EngineInstance.Application->GetGraphicsDevice();
+
+            // DebugDisplay system
+            if (device)
+            {
+                DebugDisplay_Initialize(device);
+            }
+
+#ifdef JULIET_ENABLE_IMGUI
+            if (NonNullPtr window = EngineInstance.Application->GetPlatformWindow())
+            {
+                ImGuiService::Initialize(window);
+                ImGui::SetCurrentContext(ImGuiService::GetContext());
+
+                if (device)
+                {
+                    ImGuiRenderer_Initialize(device);
+
+                    // Run Unit Tests automatically
+                    ImGuiService::RunTests();
+                }
+            }
+#endif
+        }
+
+        // Shutdown systems that were initialized in InitializeDependentSystems
+        void ShutdownDependentSystems()
+        {
+            GraphicsDevice* device = EngineInstance.Application->GetGraphicsDevice();
+
+#ifdef JULIET_ENABLE_IMGUI
+            if (device)
+            {
+                ImGuiRenderer_Shutdown(device);
+            }
+            ImGuiService::Shutdown();
+#endif
+
+            // DebugDisplay system
+            if (device)
+            {
+                DebugDisplay_Shutdown(device);
+            }
+        }
+
+        // Render one frame
+        void RenderFrame()
+        {
+            GraphicsDevice* device = EngineInstance.Application->GetGraphicsDevice();
+            Window*         window = EngineInstance.Application->GetPlatformWindow();
+
+            if (!device || !window)
+            {
+                return;
+            }
+
+            CommandList* cmdList = AcquireCommandList(device, QueueType::Graphics);
+            if (!cmdList)
+            {
+                return;
+            }
+
+            Texture* swapChainTexture = nullptr;
+            if (!WaitAndAcquireSwapChainTexture(cmdList, window, &swapChainTexture))
+            {
+                // Swapchain might need resize, submit empty and try again next frame
+                SubmitCommandLists(cmdList);
+                return;
+            }
+
+            if (swapChainTexture)
+            {
+                // Pre-render phase (buffer uploads, etc.)
+                EngineInstance.Application->OnPreRender(cmdList);
+
+                // Prepare debug display data (before render pass)
+                DebugDisplay_Prepare(cmdList);
+
+                // Get render targets from application
+                ColorTargetInfo         colorInfo = EngineInstance.Application->GetColorTargetInfo(swapChainTexture);
+                DepthStencilTargetInfo* depthInfo = EngineInstance.Application->GetDepthTargetInfo();
+
+                RenderPass* pass = BeginRenderPass(cmdList, colorInfo, depthInfo);
+
+                // Application rendering
+                EngineInstance.Application->OnRender(pass, cmdList);
+
+                // Debug display flush (inside render pass)
+                Camera debugCamera = EngineInstance.Application->GetDebugCamera();
+                DebugDisplay_Flush(cmdList, pass, debugCamera);
+
+#ifdef JULIET_ENABLE_IMGUI
+                // ImGui rendering (always last before EndRenderPass)
+                ImGuiRenderer_Render(cmdList, pass);
+#endif
+
+                EndRenderPass(pass);
+            }
+
+            SubmitCommandLists(cmdList);
+        }
+    } // namespace
 
     void InitializeEngine(JulietInit_Flags flags)
     {
@@ -27,10 +142,16 @@ namespace Juliet
     {
         EngineInstance.Application = &app;
         EngineInstance.Application->Init();
+
+        // Systems depending on Window/GraphicsDevice
+        InitializeDependentSystems();
     }
 
     void UnloadApplication()
     {
+        // Shutdown dependent systems before app shutdown
+        ShutdownDependentSystems();
+
         EngineInstance.Application->Shutdown();
         EngineInstance.Application = nullptr;
     }
@@ -39,7 +160,18 @@ namespace Juliet
     {
         while (EngineInstance.Application->IsRunning())
         {
+#ifdef JULIET_ENABLE_IMGUI
+            ImGuiRenderer_NewFrame();
+#endif
+
+            // Logic tick
             EngineInstance.Application->Update();
+
+            // Render tick
+            RenderFrame();
+
+            // Reset scratch arena at end of frame
+            ScratchArenaReset();
         }
     }
 } // namespace Juliet

Juliet/src/Graphics/D3D12/D3D12Buffer.cpp

@@ -12,13 +12,6 @@ namespace Juliet::D3D12
 {
     namespace
     {
-        struct D3D12Buffer
-        {
-            Internal::D3D12Descriptor Descriptor;
-            ID3D12Resource*           Handle;
-            D3D12_RESOURCE_STATES     CurrentState;
-        };
-
         enum class D3D12BufferType : uint8
         {
             Base,
@@ -26,6 +19,30 @@ namespace Juliet::D3D12
             TransferUpload,
         };
 
+        [[nodiscard]] const char* D3D12BufferTypeToString(D3D12BufferType type)
+        {
+            switch (type)
+            {
+                case D3D12BufferType::Base: return "Base";
+                case D3D12BufferType::TransferDownload: return "TransferDownload";
+                case D3D12BufferType::TransferUpload: return "TransferUpload";
+            }
+            return "Unknown";
+        }
+
+        [[nodiscard]] const char* BufferUsageToString(BufferUsage usage)
+        {
+            switch (usage)
+            {
+                case BufferUsage::None: return "None";
+                case BufferUsage::ConstantBuffer: return "ConstantBuffer";
+                case BufferUsage::StructuredBuffer: return "StructuredBuffer";
+                case BufferUsage::IndexBuffer: return "IndexBuffer";
+                case BufferUsage::VertexBuffer: return "VertexBuffer";
+            }
+            return "Unknown";
+        }
+
         void DestroyBuffer(D3D12Buffer* buffer)
         {
             if (!buffer)
@@ -40,7 +57,7 @@ namespace Juliet::D3D12
 
             if (buffer->Handle)
             {
-                ID3D12Resource_Release(buffer->Handle);
+                buffer->Handle->Release();
             }
             Free(buffer);
         }
@@ -78,6 +95,7 @@ namespace Juliet::D3D12
 
                     case BufferUsage::IndexBuffer:
                     case BufferUsage::StructuredBuffer:
+                    case BufferUsage::VertexBuffer:
                         {
                             heapProperties.Type                 = D3D12_HEAP_TYPE_DEFAULT;
                             heapProperties.CPUPageProperty      = D3D12_CPU_PAGE_PROPERTY_UNKNOWN;
@@ -99,8 +117,13 @@ namespace Juliet::D3D12
                                 heapProperties.CPUPageProperty      = D3D12_CPU_PAGE_PROPERTY_UNKNOWN;
                                 heapProperties.MemoryPoolPreference = D3D12_MEMORY_POOL_UNKNOWN;
                                 initialState                        = D3D12_RESOURCE_STATE_GENERIC_READ;
+                                heapFlags                           = D3D12_HEAP_FLAG_ALLOW_ONLY_BUFFERS;
+                            }
+                            // heapFlags = D3D12_HEAP_FLAG_NONE; // Avoid overwriting if set above
+                            if (heapProperties.Type == D3D12_HEAP_TYPE_GPU_UPLOAD)
+                            {
+                                heapFlags = D3D12_HEAP_FLAG_NONE; // Or appropriate flags
                             }
-                            heapFlags = D3D12_HEAP_FLAG_NONE;
                             break;
                         }
                     }
@@ -130,7 +153,7 @@ namespace Juliet::D3D12
 
             D3D12_RESOURCE_DESC desc = {};
             desc.Dimension           = D3D12_RESOURCE_DIMENSION_BUFFER;
-            desc.Alignment           = D3D12_DEFAULT_RESOURCE_PLACEMENT_ALIGNMENT;
+            desc.Alignment           = 0;
             desc.Width               = size;
             desc.Height              = 1;
             desc.DepthOrArraySize    = 1;
@@ -141,13 +164,22 @@ namespace Juliet::D3D12
             desc.Layout              = D3D12_TEXTURE_LAYOUT_ROW_MAJOR;
             desc.Flags               = D3D12_RESOURCE_FLAG_NONE;
 
+            Log(LogLevel::Message, LogCategory::Graphics, "CreateBuffer: Device=%p, Size=%zu, Type=%s Use=%s", (void*)d3d12Driver->D3D12Device, size, D3D12BufferTypeToString(type), BufferUsageToString(usage));
             ID3D12Resource* handle = nullptr;
-            HRESULT result = ID3D12Device_CreateCommittedResource(d3d12Driver->D3D12Device, &heapProperties, heapFlags,
-                                                                  &desc, initialState, nullptr, IID_ID3D12Resource,
-                                                                  reinterpret_cast<void**>(&handle));
+            HRESULT result = d3d12Driver->D3D12Device->CreateCommittedResource(&heapProperties, heapFlags,
+                                                                               &desc, initialState, nullptr,
+                                                                                IID_ID3D12Resource, reinterpret_cast<void**>(&handle));
             if (FAILED(result))
             {
-                LogError(d3d12Driver->D3D12Device, "Could not create buffer!", result);
+                Log(LogLevel::Error, LogCategory::Graphics, "Could not create buffer! HRESULT=0x%08X", (uint32)result);
+                Log(LogLevel::Error, LogCategory::Graphics, "Failed Desc: Width=%llu Layout=%d HeapType=%d", (unsigned long long)desc.Width, (int)desc.Layout, (int)heapProperties.Type);
+                
+                HRESULT removeReason = d3d12Driver->D3D12Device->GetDeviceRemovedReason();
+                if (FAILED(removeReason))
+                {
+                    Log(LogLevel::Error, LogCategory::Graphics, "Device Removed Reason: 0x%08X", (uint32)removeReason);
+                }
+
                 DestroyBuffer(buffer);
                 return nullptr;
             }
@@ -155,6 +187,7 @@ namespace Juliet::D3D12
             buffer->Handle           = handle;
             buffer->CurrentState     = initialState;
             buffer->Descriptor.Index = UINT32_MAX;
+            buffer->Size             = size;
 
             if (usage == BufferUsage::ConstantBuffer || usage == BufferUsage::StructuredBuffer)
             {
@@ -169,25 +202,22 @@ namespace Juliet::D3D12
 
                     if (usage == BufferUsage::ConstantBuffer)
                     {
-                        cbvDesc.BufferLocation = ID3D12Resource_GetGPUVirtualAddress(handle);
+                        cbvDesc.BufferLocation = handle->GetGPUVirtualAddress();
                         cbvDesc.SizeInBytes    = static_cast<uint32>(size);
-                        ID3D12Device_CreateConstantBufferView(d3d12Driver->D3D12Device, &cbvDesc, cpuHandle);
+                        d3d12Driver->D3D12Device->CreateConstantBufferView(&cbvDesc, cpuHandle);
                     }
                     else if (usage == BufferUsage::StructuredBuffer)
                     {
                         D3D12_SHADER_RESOURCE_VIEW_DESC srvDesc = {};
+                        srvDesc.Format                          = DXGI_FORMAT_R32_TYPELESS;
                         srvDesc.ViewDimension                   = D3D12_SRV_DIMENSION_BUFFER;
                         srvDesc.Shader4ComponentMapping         = D3D12_DEFAULT_SHADER_4_COMPONENT_MAPPING;
                         srvDesc.Buffer.FirstElement             = 0;
-                        srvDesc.Buffer.NumElements              = static_cast<uint32>(
-                            size / 4); // Assuming 4 bytes stride for raw access or similar. Ideally should be provided.
-                        srvDesc.Buffer.StructureByteStride = 0; // Raw buffer for simplicity, or 4 if typed?
-                        // If it's a Structured Buffer, we typically need stride. For now let's assume raw ByteAddressBuffer (R32_TYPELESS) or similar if stride is 0.
-                        // Actually, let's treat it as a ByteAddressBuffer (Raw) for most flexibility in bindless.
-                        srvDesc.Format       = DXGI_FORMAT_R32_TYPELESS;
-                        srvDesc.Buffer.Flags = D3D12_BUFFER_SRV_FLAG_RAW;
-
-                        ID3D12Device_CreateShaderResourceView(d3d12Driver->D3D12Device, handle, &srvDesc, cpuHandle);
+                        srvDesc.Buffer.NumElements              = static_cast<uint32>(size / 4);
+                        srvDesc.Buffer.StructureByteStride      = 0;
+                        srvDesc.Buffer.Flags                    = D3D12_BUFFER_SRV_FLAG_RAW;
+                        d3d12Driver->D3D12Device->CreateShaderResourceView(handle, &srvDesc, cpuHandle);
+                        Log(LogLevel::Message, LogCategory::Graphics, "  -> SRV DescriptorIndex=%u", descriptor.Index);
                     }
                 }
                 else
@@ -230,7 +260,7 @@ namespace Juliet::D3D12
         void* ptr         = nullptr;
         // 0-0 range means we don't intend to read anything.
         D3D12_RANGE readRange = { 0, 0 };
-        if (FAILED(ID3D12Resource_Map(d3d12Buffer->Handle, 0, &readRange, &ptr)))
+        if (FAILED(d3d12Buffer->Handle->Map(0, &readRange, &ptr)))
         {
             return nullptr;
         }
@@ -240,7 +270,7 @@ namespace Juliet::D3D12
     void UnmapBuffer(NonNullPtr<GPUDriver> /*driver*/, NonNullPtr<GraphicsTransferBuffer> buffer)
     {
         auto d3d12Buffer = reinterpret_cast<D3D12Buffer*>(buffer.Get());
-        ID3D12Resource_Unmap(d3d12Buffer->Handle, 0, nullptr);
+        d3d12Buffer->Handle->Unmap(0, nullptr);
     }
 
     uint32 GetDescriptorIndex(NonNullPtr<GPUDriver> /*driver*/, NonNullPtr<GraphicsBuffer> buffer)
@@ -267,7 +297,7 @@ namespace Juliet::D3D12
             barrier.Transition.StateAfter  = D3D12_RESOURCE_STATE_COPY_DEST;
             barrier.Transition.Subresource = D3D12_RESOURCE_BARRIER_ALL_SUBRESOURCES;
 
-            ID3D12GraphicsCommandList_ResourceBarrier(d3d12CmdList->GraphicsCommandList.CommandList, 1, &barrier);
+            d3d12CmdList->GraphicsCommandList.CommandList->ResourceBarrier(1, &barrier);
             d3d12Dst->CurrentState = D3D12_RESOURCE_STATE_COPY_DEST;
         }
 
@@ -275,7 +305,7 @@ namespace Juliet::D3D12
         // We assume Upload buffers are always in state GENERIC_READ or similar suitable for CopySrc.
         // D3D12 Upload heaps start in GENERIC_READ and cannot transition.
 
-        ID3D12GraphicsCommandList_CopyBufferRegion(d3d12CmdList->GraphicsCommandList.CommandList, d3d12Dst->Handle,
+        d3d12CmdList->GraphicsCommandList.CommandList->CopyBufferRegion(d3d12Dst->Handle,
                                                    dstOffset, d3d12Src->Handle, srcOffset, size);
     }
 
@@ -296,7 +326,7 @@ namespace Juliet::D3D12
             barrier.Transition.StateAfter  = neededState;
             barrier.Transition.Subresource = D3D12_RESOURCE_BARRIER_ALL_SUBRESOURCES;
 
-            ID3D12GraphicsCommandList_ResourceBarrier(d3d12CmdList->GraphicsCommandList.CommandList, 1, &barrier);
+            d3d12CmdList->GraphicsCommandList.CommandList->ResourceBarrier(1, &barrier);
             d3d12Buffer->CurrentState = neededState;
         }
     }

Juliet/src/Graphics/D3D12/D3D12Buffer.h

@@ -1,7 +1,9 @@
 #pragma once
 
+#include <Core/Common/NonNullPtr.h>
 #include <Core/Common/NonNullPtr.h>
 #include <Graphics/GraphicsBuffer.h>
+#include <Graphics/D3D12/D3D12DescriptorHeap.h>
 
 namespace Juliet
 {
@@ -10,6 +12,14 @@ namespace Juliet
 } // namespace Juliet
 namespace Juliet::D3D12
 {
+    struct D3D12Buffer
+    {
+        Internal::D3D12Descriptor Descriptor;
+        ID3D12Resource*           Handle;
+        D3D12_RESOURCE_STATES     CurrentState;
+        size_t                    Size;
+    };
+
     extern GraphicsBuffer* CreateGraphicsBuffer(NonNullPtr<GPUDriver> driver, size_t size, BufferUsage usage);
     extern void            DestroyGraphicsBuffer(NonNullPtr<GraphicsBuffer> buffer);
 

Juliet/src/Graphics/D3D12/D3D12CommandList.cpp

@@ -1,4 +1,5 @@
 #include <Core/Memory/Allocator.h>
+#include <Graphics/D3D12/D3D12Buffer.h>
 #include <Graphics/D3D12/D3D12CommandList.h>
 #include <Graphics/D3D12/D3D12GraphicsDevice.h>
 #include <Graphics/D3D12/D3D12Synchronization.h>
@@ -26,15 +27,15 @@ namespace Juliet::D3D12
         bool CreateAllocator(NonNullPtr<D3D12Driver> driver, NonNullPtr<D3D12CommandListBaseData> baseData,
                              D3D12_COMMAND_QUEUE_DESC queueDesc)
         {
-            HRESULT result = ID3D12Device5_CreateCommandAllocator(driver->D3D12Device, queueDesc.Type, IID_ID3D12CommandAllocator,
-                                                                  reinterpret_cast<void**>(&baseData->Allocator));
+            HRESULT result = driver->D3D12Device->CreateCommandAllocator(queueDesc.Type, IID_ID3D12CommandAllocator,
+                                                                         reinterpret_cast<void**>(&baseData->Allocator));
             if (FAILED(result))
             {
                 AssertHR(result, "Cannot create ID3D12CommandAllocator");
                 return false;
             }
 
-            ID3D12CommandAllocator_Reset(baseData->Allocator);
+            baseData->Allocator->Reset();
             return true;
         }
 
@@ -54,9 +55,9 @@ namespace Juliet::D3D12
                     CreateAllocator(driver, &commandList->GraphicsCommandList, queueDesc);
                     ID3D12GraphicsCommandList6* d3d12GraphicsCommandList = nullptr;
                     HRESULT                     result =
-                        ID3D12Device5_CreateCommandList1(driver->D3D12Device, queueDesc.NodeMask, queueDesc.Type,
-                                                         D3D12_COMMAND_LIST_FLAG_NONE, IID_ID3D12GraphicsCommandList6,
-                                                         reinterpret_cast<void**>(&d3d12GraphicsCommandList));
+                        driver->D3D12Device->CreateCommandList1(queueDesc.NodeMask, queueDesc.Type,
+                                                                D3D12_COMMAND_LIST_FLAG_NONE, IID_ID3D12GraphicsCommandList6,
+                                                                reinterpret_cast<void**>(&d3d12GraphicsCommandList));
                     if (FAILED(result))
                     {
                         Assert(false, "Error not implemented: cannot create ID3D12GraphicsCommandList6 (graphics or "
@@ -65,8 +66,8 @@ namespace Juliet::D3D12
                     }
 
                     commandList->GraphicsCommandList.CommandList = d3d12GraphicsCommandList;
-                    ID3D12GraphicsCommandList6_SetName(d3d12GraphicsCommandList, wide_str.c_str());
-                    ID3D12GraphicsCommandList6_Reset(d3d12GraphicsCommandList, commandList->GraphicsCommandList.Allocator, nullptr);
+                    d3d12GraphicsCommandList->SetName(wide_str.c_str());
+                    d3d12GraphicsCommandList->Reset(commandList->GraphicsCommandList.Allocator, nullptr);
 
                     return true;
                 }
@@ -75,9 +76,9 @@ namespace Juliet::D3D12
                     CreateAllocator(driver, &commandList->ComputeCommandList, queueDesc);
                     ID3D12GraphicsCommandList6* d3d12GraphicsCommandList = nullptr;
                     HRESULT                     result =
-                        ID3D12Device5_CreateCommandList1(driver->D3D12Device, queueDesc.NodeMask, queueDesc.Type,
-                                                         D3D12_COMMAND_LIST_FLAG_NONE, IID_ID3D12GraphicsCommandList6,
-                                                         reinterpret_cast<void**>(&d3d12GraphicsCommandList));
+                        driver->D3D12Device->CreateCommandList1(queueDesc.NodeMask, queueDesc.Type,
+                                                                D3D12_COMMAND_LIST_FLAG_NONE, IID_ID3D12GraphicsCommandList6,
+                                                                reinterpret_cast<void**>(&d3d12GraphicsCommandList));
                     if (FAILED(result))
                     {
                         Assert(false, "Error not implemented: cannot create ID3D12GraphicsCommandList6 (graphics or "
@@ -86,8 +87,8 @@ namespace Juliet::D3D12
                     }
 
                     commandList->ComputeCommandList.CommandList = d3d12GraphicsCommandList;
-                    ID3D12GraphicsCommandList6_SetName(d3d12GraphicsCommandList, wide_str.c_str());
-                    ID3D12GraphicsCommandList6_Reset(d3d12GraphicsCommandList, commandList->ComputeCommandList.Allocator, nullptr);
+                    d3d12GraphicsCommandList->SetName(wide_str.c_str());
+                    d3d12GraphicsCommandList->Reset(commandList->ComputeCommandList.Allocator, nullptr);
 
                     return true;
                 }
@@ -95,9 +96,10 @@ namespace Juliet::D3D12
                 {
                     CreateAllocator(driver, &commandList->CopyCommandList, queueDesc);
                     ID3D12GraphicsCommandList* d3d12CopyCommandList = nullptr;
-                    HRESULT result = ID3D12Device5_CreateCommandList1(driver->D3D12Device, queueDesc.NodeMask, queueDesc.Type,
-                                                                      D3D12_COMMAND_LIST_FLAG_NONE, IID_ID3D12GraphicsCommandList,
-                                                                      reinterpret_cast<void**>(&d3d12CopyCommandList));
+                    HRESULT                    result =
+                        driver->D3D12Device->CreateCommandList1(queueDesc.NodeMask, queueDesc.Type,
+                                                                D3D12_COMMAND_LIST_FLAG_NONE, IID_ID3D12GraphicsCommandList,
+                                                                reinterpret_cast<void**>(&d3d12CopyCommandList));
 
                     if (FAILED(result))
                     {
@@ -105,8 +107,8 @@ namespace Juliet::D3D12
                         return false;
                     }
                     commandList->CopyCommandList.CommandList = d3d12CopyCommandList;
-                    ID3D12GraphicsCommandList_SetName(d3d12CopyCommandList, wide_str.c_str());
-                    ID3D12GraphicsCommandList_Reset(d3d12CopyCommandList, commandList->CopyCommandList.Allocator, nullptr);
+                    d3d12CopyCommandList->SetName(wide_str.c_str());
+                    d3d12CopyCommandList->Reset(commandList->CopyCommandList.Allocator, nullptr);
 
                     return true;
                 }
@@ -227,30 +229,21 @@ namespace Juliet::D3D12
             barrierDesc.Transition.pResource   = subresource->Parent->Resource;
             barrierDesc.Transition.Subresource = subresource->Index;
 
-            ID3D12GraphicsCommandList_ResourceBarrier(d3d12CommandList->GraphicsCommandList.CommandList, 1, &barrierDesc);
+            d3d12CommandList->GraphicsCommandList.CommandList->ResourceBarrier(1, &barrierDesc);
         }
 
         // Notify the command buffer that we have completed recording
-        HRESULT result = ID3D12GraphicsCommandList_Close(d3d12CommandList->GraphicsCommandList.CommandList);
+        HRESULT result = d3d12CommandList->GraphicsCommandList.CommandList->Close();
         if (FAILED(result))
         {
             LogError(d3d12Driver->D3D12Device, "Failed to close command list!", result);
             return false;
         }
 
-        ID3D12CommandList* commandLists[1];
-        result = ID3D12GraphicsCommandList_QueryInterface(d3d12CommandList->GraphicsCommandList.CommandList,
-                                                          IID_ID3D12CommandList, reinterpret_cast<void**>(&commandLists[0]));
-        if (FAILED(result))
-        {
-            LogError(d3d12Driver->D3D12Device, "Failed to convert command list!", result);
-            return false;
-        }
+        ID3D12CommandList* ppCommandLists[] = { d3d12CommandList->GraphicsCommandList.CommandList };
 
         // Submit the command list to the queue
-        ID3D12CommandQueue_ExecuteCommandLists(d3d12Driver->GraphicsQueue, 1, commandLists);
-
-        ID3D12CommandList_Release(commandLists[0]);
+        d3d12Driver->GraphicsQueue->ExecuteCommandLists(1, ppCommandLists);
 
         // Acquire a fence and set it to the in-flight fence
         d3d12CommandList->InFlightFence = Internal::AcquireFence(d3d12Driver);
@@ -260,7 +253,7 @@ namespace Juliet::D3D12
         }
 
         // Mark that a fence should be signaled after command list execution
-        result = ID3D12CommandQueue_Signal(d3d12Driver->GraphicsQueue, d3d12CommandList->InFlightFence->Handle, D3D12_FENCE_SIGNAL_VALUE);
+        result = d3d12Driver->GraphicsQueue->Signal(d3d12CommandList->InFlightFence->Handle, D3D12_FENCE_SIGNAL_VALUE);
         if (FAILED(result))
         {
             LogError(d3d12Driver->D3D12Device, "Failed to enqueue fence signal!", result);
@@ -299,14 +292,13 @@ namespace Juliet::D3D12
                 presentFlags = DXGI_PRESENT_ALLOW_TEARING;
             }
 
-            result = IDXGISwapChain_Present(windowData->SwapChain, syncInterval, presentFlags);
+            result = windowData->SwapChain->Present(syncInterval, presentFlags);
             if (FAILED(result))
             {
                 success = false;
             }
 
-            ID3D12Resource_Release(
-                windowData->SwapChainTextureContainers[presentData->SwapChainImageIndex].ActiveTexture->Resource);
+            windowData->SwapChainTextureContainers[presentData->SwapChainImageIndex].ActiveTexture->Resource->Release();
 
             windowData->InFlightFences[windowData->WindowFrameCounter] = reinterpret_cast<Fence*>(d3d12CommandList->InFlightFence);
             d3d12CommandList->InFlightFence->ReferenceCount += 1;
@@ -317,7 +309,7 @@ namespace Juliet::D3D12
         // Check for cleanups
         for (int32 i = d3d12Driver->SubmittedCommandListCount - 1; i >= 0; i -= 1)
         {
-            uint64 fenceValue = ID3D12Fence_GetCompletedValue(d3d12Driver->SubmittedCommandLists[i]->InFlightFence->Handle);
+            uint64 fenceValue = d3d12Driver->SubmittedCommandLists[i]->InFlightFence->Handle->GetCompletedValue();
             if (fenceValue == D3D12_FENCE_SIGNAL_VALUE)
             {
                 success &= Internal::CleanCommandList(d3d12Driver, d3d12Driver->SubmittedCommandLists[i], false);
@@ -342,7 +334,7 @@ namespace Juliet::D3D12
         d3d12Viewport.Height   = viewPort.Height;
         d3d12Viewport.MinDepth = viewPort.MinDepth;
         d3d12Viewport.MaxDepth = viewPort.MaxDepth;
-        ID3D12GraphicsCommandList_RSSetViewports(d3d12CommandList->GraphicsCommandList.CommandList, 1, &d3d12Viewport);
+        d3d12CommandList->GraphicsCommandList.CommandList->RSSetViewports(1, &d3d12Viewport);
     }
 
     void SetScissorRect(NonNullPtr<CommandList> commandList, const Rectangle& rectangle)
@@ -353,20 +345,48 @@ namespace Juliet::D3D12
         scissorRect.top    = rectangle.Y;
         scissorRect.right  = rectangle.X + rectangle.Width;
         scissorRect.bottom = rectangle.Y + rectangle.Height;
-        ID3D12GraphicsCommandList_RSSetScissorRects(d3d12CommandList->GraphicsCommandList.CommandList, 1, &scissorRect);
+        d3d12CommandList->GraphicsCommandList.CommandList->RSSetScissorRects(1, &scissorRect);
     }
 
     void SetBlendConstants(NonNullPtr<CommandList> commandList, FColor blendConstants)
     {
         auto* d3d12CommandList = reinterpret_cast<D3D12CommandList*>(commandList.Get());
         FLOAT blendFactor[4]   = { blendConstants.R, blendConstants.G, blendConstants.B, blendConstants.A };
-        ID3D12GraphicsCommandList_OMSetBlendFactor(d3d12CommandList->GraphicsCommandList.CommandList, blendFactor);
+        d3d12CommandList->GraphicsCommandList.CommandList->OMSetBlendFactor(blendFactor);
     }
 
     void SetStencilReference(NonNullPtr<CommandList> commandList, uint8 reference)
     {
         auto* d3d12CommandList = reinterpret_cast<D3D12CommandList*>(commandList.Get());
-        ID3D12GraphicsCommandList_OMSetStencilRef(d3d12CommandList->GraphicsCommandList.CommandList, reference);
+        d3d12CommandList->GraphicsCommandList.CommandList->OMSetStencilRef(reference);
+    }
+
+    void SetIndexBuffer(NonNullPtr<CommandList> commandList, NonNullPtr<GraphicsBuffer> buffer, IndexFormat format)
+    {
+        auto* d3d12CommandList = reinterpret_cast<D3D12CommandList*>(commandList.Get());
+        auto* d3d12Buffer      = reinterpret_cast<D3D12Buffer*>(buffer.Get());
+
+        // Transition to INDEX_BUFFER state if needed
+        if (d3d12Buffer->CurrentState != D3D12_RESOURCE_STATE_INDEX_BUFFER)
+        {
+            D3D12_RESOURCE_BARRIER barrier = {};
+            barrier.Type                   = D3D12_RESOURCE_BARRIER_TYPE_TRANSITION;
+            barrier.Flags                  = D3D12_RESOURCE_BARRIER_FLAG_NONE;
+            barrier.Transition.pResource   = d3d12Buffer->Handle;
+            barrier.Transition.StateBefore = d3d12Buffer->CurrentState;
+            barrier.Transition.StateAfter  = D3D12_RESOURCE_STATE_INDEX_BUFFER;
+            barrier.Transition.Subresource = D3D12_RESOURCE_BARRIER_ALL_SUBRESOURCES;
+
+            d3d12CommandList->GraphicsCommandList.CommandList->ResourceBarrier(1, &barrier);
+            d3d12Buffer->CurrentState = D3D12_RESOURCE_STATE_INDEX_BUFFER;
+        }
+
+        D3D12_INDEX_BUFFER_VIEW ibView;
+        ibView.BufferLocation = d3d12Buffer->Handle->GetGPUVirtualAddress();
+        ibView.SizeInBytes    = static_cast<UINT>(d3d12Buffer->Size);
+        ibView.Format         = (format == IndexFormat::UInt16) ? DXGI_FORMAT_R16_UINT : DXGI_FORMAT_R32_UINT;
+
+        d3d12CommandList->GraphicsCommandList.CommandList->IASetIndexBuffer(&ibView);
     }
 
     void SetPushConstants(NonNullPtr<CommandList> commandList, ShaderStage /*stage*/, uint32 rootParameterIndex,
@@ -374,8 +394,8 @@ namespace Juliet::D3D12
     {
         auto d3d12CommandList = reinterpret_cast<D3D12CommandList*>(commandList.Get());
         // For now we assume Graphics Root Signature. Compute support would need a check or separate function.
-        ID3D12GraphicsCommandList_SetGraphicsRoot32BitConstants(d3d12CommandList->GraphicsCommandList.CommandList,
-                                                                rootParameterIndex, numConstants, constants, 0);
+        d3d12CommandList->GraphicsCommandList.CommandList->SetGraphicsRoot32BitConstants(rootParameterIndex,
+                                                                                         numConstants, constants, 0);
     }
 
     namespace Internal
@@ -391,12 +411,12 @@ namespace Juliet::D3D12
             samplerHeap = AcquireSamplerHeapFromPool(commandList->Driver);
 
             commandList->CRB_SRV_UAV_Heap = viewHeap;
-            commandList->RTV_Heap         = samplerHeap;
+            commandList->Sampler_Heap     = samplerHeap;
 
             heaps[0] = viewHeap->Handle;
             heaps[1] = samplerHeap->Handle;
 
-            ID3D12GraphicsCommandList_SetDescriptorHeaps(commandList->GraphicsCommandList.CommandList, 2, heaps);
+            commandList->GraphicsCommandList.CommandList->SetDescriptorHeaps(2, heaps);
         }
 
         void DestroyCommandList(NonNullPtr<D3D12CommandList> commandList)
@@ -404,10 +424,10 @@ namespace Juliet::D3D12
             // TODO : Handle other kind of command list (copy compute)
             if (commandList->GraphicsCommandList.CommandList)
             {
-                ID3D12GraphicsCommandList_Release(commandList->GraphicsCommandList.CommandList);
+                commandList->GraphicsCommandList.CommandList->Release();
             }
 
-            ID3D12CommandAllocator_Release(commandList->GraphicsCommandList.Allocator);
+            commandList->GraphicsCommandList.Allocator->Release();
 
             SafeFree(commandList->PresentDatas);
             SafeFree(commandList->UsedTextures);
@@ -420,26 +440,23 @@ namespace Juliet::D3D12
             // No more presentation data
             commandList->PresentDataCount = 0;
 
-            HRESULT result = ID3D12CommandAllocator_Reset(commandList->GraphicsCommandList.Allocator);
+            HRESULT result = commandList->GraphicsCommandList.Allocator->Reset();
             if (FAILED(result))
             {
                 LogError(driver->D3D12Device, "Could not reset command allocator", result);
                 return false;
             }
 
-            result = ID3D12GraphicsCommandList_Reset(commandList->GraphicsCommandList.CommandList,
-                                                     commandList->GraphicsCommandList.Allocator, nullptr);
+            result = commandList->GraphicsCommandList.CommandList->Reset(commandList->GraphicsCommandList.Allocator, nullptr);
             if (FAILED(result))
             {
                 LogError(driver->D3D12Device, "Could not reset command list", result);
                 return false;
             }
 
-            // Return heap descriptor to pool
-            // CRB_SRV_UAV_Heap is global bindless, do not return it.
-            ReturnSamplerHeapToPool(driver, commandList->RTV_Heap);
+            ReturnSamplerHeapToPool(driver, commandList->Sampler_Heap);
+            commandList->Sampler_Heap     = nullptr;
             commandList->CRB_SRV_UAV_Heap = nullptr;
-            commandList->RTV_Heap         = nullptr;
 
             // Clean up resource tracking
             for (uint32 idx = 0; idx < commandList->UsedTextureCount; ++idx)

Juliet/src/Graphics/D3D12/D3D12CommandList.h

@@ -39,10 +39,11 @@ namespace Juliet::D3D12
 
     struct D3D12CommandList
     {
+        CommandListHeader Common;
+
         uint64 ID;
 
-        CommandListHeader Common;
-        D3D12Driver*      Driver;
+        D3D12Driver* Driver;
 
         D3D12PresentData* PresentDatas;
         uint32            PresentDataCapacity;
@@ -77,7 +78,7 @@ namespace Juliet::D3D12
         // D3D12UniformBuffer *fragmentUniformBuffers[GPUDriver::kMaxUniformBuffersPerStage];
 
         Internal::D3D12DescriptorHeap* CRB_SRV_UAV_Heap;
-        Internal::D3D12DescriptorHeap* RTV_Heap;
+        Internal::D3D12DescriptorHeap* Sampler_Heap;
 
         // Resource Tracking
         D3D12Texture** UsedTextures;
@@ -96,7 +97,9 @@ namespace Juliet::D3D12
     extern void         SetBlendConstants(NonNullPtr<CommandList> commandList, FColor blendConstants);
     extern void         SetBlendConstants(NonNullPtr<CommandList> commandList, FColor blendConstants);
     extern void         SetStencilReference(NonNullPtr<CommandList> commandList, uint8 reference);
-    extern void         SetPushConstants(NonNullPtr<CommandList> commandList, ShaderStage stage, uint32 rootParameterIndex, uint32 numConstants, const void* constants);
+    extern void SetIndexBuffer(NonNullPtr<CommandList> commandList, NonNullPtr<GraphicsBuffer> buffer, IndexFormat format);
+    extern void SetPushConstants(NonNullPtr<CommandList> commandList, ShaderStage stage, uint32 rootParameterIndex,
+                                 uint32 numConstants, const void* constants);
 
     namespace Internal
     {

Juliet/src/Graphics/D3D12/D3D12DescriptorHeap.cpp

@@ -1,3 +1,5 @@
+#include <Core/Logging/LogManager.h>
+#include <Core/Logging/LogTypes.h>
 #include <Core/Memory/Allocator.h>
 #include <Core/Memory/EngineArena.h>
 #include <Graphics/D3D12/D3D12DescriptorHeap.h>
@@ -8,9 +10,7 @@ namespace Juliet::D3D12::Internal
 {
     D3D12DescriptorHeap* CreateDescriptorHeap(NonNullPtr<D3D12Driver> driver, D3D12_DESCRIPTOR_HEAP_TYPE type, uint32 count, bool isStaging)
     {
-        ID3D12DescriptorHeap* handle;
-
-        auto heap = static_cast<D3D12DescriptorHeap*>(Calloc(1, sizeof(D3D12DescriptorHeap)));
+        auto heap = ArenaPushType<D3D12DescriptorHeap>(GetEngineArena(), ConstString("D3D12DescriptorHeap"));
         if (!heap)
         {
             return nullptr;
@@ -19,7 +19,8 @@ namespace Juliet::D3D12::Internal
         heap->CurrentDescriptorIndex = 0;
         heap->FreeIndicesCapacity    = 16;
         heap->FreeIndicesCount       = 0;
-        heap->FreeIndices            = static_cast<uint32*>(Calloc(heap->FreeIndicesCapacity, sizeof(uint32)));
+        heap->FreeIndices            = ArenaPushArray<uint32>(GetEngineArena(), heap->FreeIndicesCapacity,
+                                                              ConstString("D3D12DescriptorHeap/FreeIndices"));
 
         D3D12_DESCRIPTOR_HEAP_DESC heapDesc;
         heapDesc.NumDescriptors = count;
@@ -27,8 +28,9 @@ namespace Juliet::D3D12::Internal
         heapDesc.Flags    = isStaging ? D3D12_DESCRIPTOR_HEAP_FLAG_NONE : D3D12_DESCRIPTOR_HEAP_FLAG_SHADER_VISIBLE;
         heapDesc.NodeMask = 0;
 
-        HRESULT result =
-            ID3D12Device_CreateDescriptorHeap(driver->D3D12Device, &heapDesc, IID_ID3D12DescriptorHeap, (void**)&handle);
+        ID3D12DescriptorHeap* handle;
+        HRESULT               result =
+            driver->D3D12Device->CreateDescriptorHeap(&heapDesc, IID_ID3D12DescriptorHeap, reinterpret_cast<void**>(&handle));
         if (FAILED(result))
         {
             LogError(driver->D3D12Device, "Failed to create descriptor heap!", result);
@@ -36,15 +38,15 @@ namespace Juliet::D3D12::Internal
             return nullptr;
         }
 
-        heap->Handle         = handle;
-        heap->HeapType       = type;
-        heap->MaxDescriptors = count;
-        heap->Staging        = isStaging;
-        heap->DescriptorSize = ID3D12Device_GetDescriptorHandleIncrementSize(driver->D3D12Device, type);
-        ID3D12DescriptorHeap_GetCPUDescriptorHandleForHeapStart(handle, &heap->DescriptorHeapCPUStart);
+        heap->Handle                 = handle;
+        heap->HeapType               = type;
+        heap->MaxDescriptors         = count;
+        heap->Staging                = isStaging;
+        heap->DescriptorSize         = driver->D3D12Device->GetDescriptorHandleIncrementSize(type);
+        heap->DescriptorHeapCPUStart = handle->GetCPUDescriptorHandleForHeapStart();
         if (!isStaging)
         {
-            ID3D12DescriptorHeap_GetGPUDescriptorHandleForHeapStart(handle, &heap->DescriptorHeapGPUStart);
+            heap->DescriptorHeapGPUStart = handle->GetGPUDescriptorHandleForHeapStart();
         }
 
         return heap;
@@ -54,7 +56,7 @@ namespace Juliet::D3D12::Internal
     {
         if (heap->Handle)
         {
-            ID3D12DescriptorHeap_Release(heap->Handle);
+            heap->Handle->Release();
         }
         SafeFree(heap->FreeIndices);
         Free(heap.Get());
@@ -101,8 +103,10 @@ namespace Juliet::D3D12::Internal
 
         if (heap->FreeIndicesCount >= heap->FreeIndicesCapacity)
         {
+            size_t oldCapacity = heap->FreeIndicesCapacity;
             heap->FreeIndicesCapacity *= 2;
-            heap->FreeIndices = static_cast<uint32*>(Realloc(heap->FreeIndices, heap->FreeIndicesCapacity * sizeof(uint32)));
+            heap->FreeIndices = ArenaRealloc<uint32>(GetEngineArena(), heap->FreeIndices, oldCapacity,
+                                                     heap->FreeIndicesCapacity, ConstString("FreeIndices"));
         }
 
         heap->FreeIndices[heap->FreeIndicesCount] = descriptor.Index;
@@ -111,62 +115,20 @@ namespace Juliet::D3D12::Internal
 
     D3D12DescriptorHeap* AcquireSamplerHeapFromPool(NonNullPtr<D3D12Driver> d3d12Driver, DescriptorHeapCreator creator)
     {
-        D3D12DescriptorHeapPool* pool  = &d3d12Driver->SamplerHeapPool;
-        uint32                   count = GPUDriver::kSampler_HeapDescriptorCount;
+        D3D12DescriptorHeap*     result;
+        D3D12DescriptorHeapPool* pool = &d3d12Driver->SamplerHeapPool;
 
         if (pool->Count > 0)
         {
+            result = pool->Heaps[pool->Count - 1];
             pool->Count -= 1;
-            return pool->Heaps[pool->Count];
         }
-
-        // Pool is exhausted (all heaps are in use). We need to create a new one.
-        // The pool array might be full of "Used" heaps, or it might have empty slots (nullptr) if we expanded before.
-        // We look for a free slot to store the new heap.
-        size_t freeSlotIndex = SIZE_MAX;
-
-        // Scan for nullptr in the entire array.
-        // Optimization: active heaps are likely at the beginning, but since Count=0, "Used" heaps are 0..Capacity?
-        // Actually, if Count=0, ALL slots 0..Capacity-1 are effectively "Used" (unless some are nullptr).
-        for (size_t i = 0; i < pool->Capacity; ++i)
+        else
         {
-            if (pool->Heaps[i] == nullptr)
-            {
-                freeSlotIndex = i;
-                break;
-            }
+            result = creator(d3d12Driver, D3D12_DESCRIPTOR_HEAP_TYPE_SAMPLER, GPUDriver::kSampler_HeapDescriptorCount, false);
         }
 
-        if (freeSlotIndex == SIZE_MAX)
-        {
-            // No free slot, expand
-            size_t oldCapacity = pool->Capacity;
-            pool->Capacity     = pool->Capacity == 0 ? 1 : pool->Capacity * 2;
-
-            // Using ArenaRealloc (Template):
-            pool->Heaps = ArenaRealloc<D3D12DescriptorHeap*>(GetEngineArena(), pool->Heaps, oldCapacity, pool->Capacity);
-
-            // Initialize new slots to nullptr
-            for (size_t i = oldCapacity; i < pool->Capacity; ++i)
-            {
-                pool->Heaps[i] = nullptr;
-            }
-            freeSlotIndex = oldCapacity;
-        }
-
-        // Create the new heap at the free slot
-        pool->Heaps[freeSlotIndex] = creator(d3d12Driver, D3D12_DESCRIPTOR_HEAP_TYPE_SAMPLER, count, false);
-
-        // Now we have a new heap at freeSlotIndex. Ideally we want to return it.
-        // But to maintain the "Stack" invariant (Available are at 0..Count-1),
-        // and "Used" are at "Count..Capacity-1".
-        // Currently Count=0. So "Used" is 0..Capacity-1.
-        // freeSlotIndex is inside "Used" range.
-        // We can just return it. It is already in the "Used" partition.
-        // However, we want to ensure it doesn't get lost or overwritten.
-        // Since we didn't increment Count, it stays in "Used".
-
-        return pool->Heaps[freeSlotIndex];
+        return result;
     }
 
     void ReturnSamplerHeapToPool(NonNullPtr<D3D12Driver> d3d12Driver, D3D12DescriptorHeap* heap)
@@ -176,40 +138,18 @@ namespace Juliet::D3D12::Internal
             return;
         }
 
-        Assert(heap->HeapType == D3D12_DESCRIPTOR_HEAP_TYPE_SAMPLER);
         D3D12DescriptorHeapPool* pool = &d3d12Driver->SamplerHeapPool;
 
         heap->CurrentDescriptorIndex = 0;
 
-        // The heap is currently in the "Used" partition (index >= Count).
-        // We want to move it to the "Available" partition (index < Count).
-        // Strategy: Swap heap with the element at pool->Heaps[pool->Count], then increment Count.
-
-        // First, find the heap index.
-        size_t heapIndex = SIZE_MAX;
-        for (size_t i = pool->Count; i < pool->Capacity; ++i)
+        if (pool->Count >= pool->Capacity)
         {
-            if (pool->Heaps[i] == heap)
-            {
-                heapIndex = i;
-                break;
-            }
+            size_t oldCapacity = pool->Capacity;
+            pool->Capacity *= 2;
+            pool->Heaps = ArenaRealloc(GetEngineArena(), pool->Heaps, oldCapacity, pool->Capacity, ConstString("Heaps"));
         }
 
-        if (heapIndex != SIZE_MAX)
-        {
-            D3D12DescriptorHeap* temp = pool->Heaps[pool->Count];
-            pool->Heaps[pool->Count]  = pool->Heaps[heapIndex];
-            pool->Heaps[heapIndex]    = temp;
-            pool->Count += 1;
-        }
-        else
-        {
-            // Should not happen if the logic is correct.
-            // Maybe it was not in the pool? (e.g. error scenario).
-            // In that case, we should probably add it?
-            // But per constraints, we assume it was allocated via pool.
-            Assert(false, "Returning a heap that was not found in the pool!");
-        }
+        pool->Heaps[pool->Count] = heap;
+        pool->Count += 1;
     }
 } // namespace Juliet::D3D12::Internal

Juliet/src/Graphics/D3D12/D3D12DescriptorHeap.h

@@ -21,7 +21,7 @@ namespace Juliet::D3D12::Internal
         uint32                      MaxDescriptors;
         uint32                      DescriptorSize;
         uint32                      CurrentDescriptorIndex; // only used by GPU heaps
-        
+
         uint32*                     FreeIndices;
         uint32                      FreeIndicesCapacity;
         uint32                      FreeIndicesCount;

Juliet/src/Graphics/D3D12/D3D12GraphicsDevice.cpp

@@ -46,8 +46,8 @@ namespace Juliet::D3D12
         bool CheckResourceTypeTier(ID3D12Device5* device)
         {
             D3D12_FEATURE_DATA_D3D12_OPTIONS options = {};
-            HRESULT result = ID3D12Device5_CheckFeatureSupport(device, D3D12_FEATURE_D3D12_OPTIONS, &options,
-                                                               sizeof(D3D12_FEATURE_DATA_D3D12_OPTIONS));
+            HRESULT                          result =
+                device->CheckFeatureSupport(D3D12_FEATURE_D3D12_OPTIONS, &options, sizeof(D3D12_FEATURE_DATA_D3D12_OPTIONS));
             if (SUCCEEDED(result))
             {
                 if (options.ResourceBindingTier < D3D12_RESOURCE_BINDING_TIER_3)
@@ -83,8 +83,8 @@ namespace Juliet::D3D12
             for (auto allModelVersion : allModelVersions)
             {
                 shaderModel.HighestShaderModel = allModelVersion;
-                HRESULT result = ID3D12Device5_CheckFeatureSupport(device, D3D12_FEATURE_SHADER_MODEL, &shaderModel,
-                                                                   sizeof(D3D12_FEATURE_DATA_SHADER_MODEL));
+                HRESULT result                 = device->CheckFeatureSupport(D3D12_FEATURE_SHADER_MODEL, &shaderModel,
+                                                                             sizeof(D3D12_FEATURE_DATA_SHADER_MODEL));
                 if (result != E_INVALIDARG)
                 {
                     if (FAILED(result))
@@ -142,40 +142,40 @@ namespace Juliet::D3D12
 
             // Can query the 1.4 factory ?
             IDXGIFactory4* factory4 = nullptr;
-            result = IDXGIFactory1_QueryInterface(factory1, IID_IDXGIFactory4, reinterpret_cast<void**>(&factory4));
+            result                  = factory1->QueryInterface(IID_IDXGIFactory4, reinterpret_cast<void**>(&factory4));
             if (FAILED(result))
             {
-                IDXGIFactory1_Release(factory1);
+                factory1->Release();
                 Log(LogLevel::Warning, LogCategory::Graphics, "DX12: Failed to query DXGI1.4.");
                 return false;
             }
-            IDXGIFactory4_Release(factory4);
+            factory4->Release();
 
             // Check for 1.6. (It's not mandatory).
             IDXGIAdapter1* adapter  = nullptr;
             IDXGIFactory6* factory6 = nullptr;
-            result = IDXGIFactory1_QueryInterface(factory1, IID_IDXGIFactory6, reinterpret_cast<void**>(&factory6));
+            result                  = factory1->QueryInterface(IID_IDXGIFactory6, reinterpret_cast<void**>(&factory6));
             if (SUCCEEDED(result))
             {
-                result = IDXGIFactory6_EnumAdapterByGpuPreference(factory6, 0, DXGI_GPU_PREFERENCE_HIGH_PERFORMANCE,
-                                                                  IID_IDXGIAdapter1, reinterpret_cast<void**>(&adapter));
-                IDXGIFactory6_Release(factory6);
+                result = factory6->EnumAdapterByGpuPreference(0, DXGI_GPU_PREFERENCE_HIGH_PERFORMANCE,
+                                                              IID_IDXGIAdapter1, reinterpret_cast<void**>(&adapter));
+                factory6->Release();
             }
             else
             {
-                result = IDXGIFactory1_EnumAdapters1(factory1, 0, &adapter);
+                result = factory1->EnumAdapters1(0, &adapter);
             }
 
             if (FAILED(result))
             {
                 Log(LogLevel::Warning, LogCategory::Graphics, "DX12: Failed to find an adapter for D3D12.");
 
-                IDXGIFactory1_Release(factory1);
+                factory1->Release();
                 return false;
             }
 
             ID3D12Device5* device = nullptr;
-            result = D3D12CreateDeviceFuncPtr(reinterpret_cast<IUnknown*>(adapter), kD3DFeatureLevel, IID_ID3D12Device5,
+            result = D3D12CreateDeviceFuncPtr(static_cast<IUnknown*>(adapter), kD3DFeatureLevel, IID_ID3D12Device5,
                                               reinterpret_cast<void**>(&device));
 
             bool driverIsValid = true;
@@ -184,7 +184,7 @@ namespace Juliet::D3D12
                 driverIsValid &= CheckShaderModel(device);
                 driverIsValid &= CheckResourceTypeTier(device);
 
-                ID3D12Device5_Release(device);
+                device->Release();
             }
             else
             {
@@ -192,8 +192,8 @@ namespace Juliet::D3D12
                     "DX12: Failed to create a D3D12Device with feature level %s.", kD3DFeatureLevelStr);
                 driverIsValid = false;
             }
-            IDXGIAdapter1_Release(adapter);
-            IDXGIFactory1_Release(factory1);
+            adapter->Release();
+            factory1->Release();
 
             return driverIsValid;
         }
@@ -206,7 +206,7 @@ namespace Juliet::D3D12
             }
             if (rootSignature->Handle)
             {
-                ID3D12RootSignature_Release(rootSignature->Handle);
+                rootSignature->Handle->Release();
             }
             Free(rootSignature);
         }
@@ -272,9 +272,10 @@ namespace Juliet::D3D12
             {
                 if (errorBlob)
                 {
-                    auto errorBuffer = ID3D10Blob_GetBufferPointer(errorBlob);
+                    auto errorBuffer = errorBlob->GetBufferPointer();
                     LogError(LogCategory::Graphics, "Failed to serialize RootSignature: %s", errorBuffer);
-                    ID3D10Blob_Release(errorBlob);
+
+                    errorBlob->Release();
                 }
                 DestroyGraphicsRootSignature(d3d12GraphicsRootSignature);
                 return nullptr;
@@ -282,16 +283,16 @@ namespace Juliet::D3D12
 
             // Create the root signature
             ID3D12RootSignature* rootSignature;
-            res = ID3D12Device_CreateRootSignature(d3d12Driver->D3D12Device, 0, ID3D10Blob_GetBufferPointer(serializedRootSignature),
-                                                   ID3D10Blob_GetBufferSize(serializedRootSignature),
-                                                   IID_ID3D12RootSignature, reinterpret_cast<void**>(&rootSignature));
+            res = d3d12Driver->D3D12Device->CreateRootSignature(0, serializedRootSignature->GetBufferPointer(),
+                                                                serializedRootSignature->GetBufferSize(), IID_ID3D12RootSignature,
+                                                                reinterpret_cast<void**>(&rootSignature));
             if (FAILED(res))
             {
                 if (errorBlob)
                 {
                     LogError(LogCategory::Graphics, "Failed to create RootSignature: %s",
-                             (const char*)ID3D10Blob_GetBufferPointer(errorBlob));
-                    ID3D10Blob_Release(errorBlob);
+                             (const char*)errorBlob->GetBufferPointer());
+                    errorBlob->Release();
                 }
                 DestroyGraphicsRootSignature(d3d12GraphicsRootSignature);
                 return nullptr;
@@ -332,12 +333,9 @@ namespace Juliet::D3D12
                 }
                 else
                 {
-                    IDXGIInfoQueue_SetBreakOnSeverity(driver->DXGIInfoQueue, DXGI_DEBUG_ALL,
-                                                      DXGI_INFO_QUEUE_MESSAGE_SEVERITY_ERROR, TRUE);
-                    IDXGIInfoQueue_SetBreakOnSeverity(driver->DXGIInfoQueue, DXGI_DEBUG_ALL,
-                                                      DXGI_INFO_QUEUE_MESSAGE_SEVERITY_CORRUPTION, TRUE);
-                    IDXGIInfoQueue_SetBreakOnSeverity(driver->DXGIInfoQueue, DXGI_DEBUG_ALL,
-                                                      DXGI_INFO_QUEUE_MESSAGE_SEVERITY_WARNING, TRUE);
+                    driver->DXGIInfoQueue->SetBreakOnSeverity(DXGI_DEBUG_ALL, DXGI_INFO_QUEUE_MESSAGE_SEVERITY_ERROR, TRUE);
+                    driver->DXGIInfoQueue->SetBreakOnSeverity(DXGI_DEBUG_ALL, DXGI_INFO_QUEUE_MESSAGE_SEVERITY_CORRUPTION, TRUE);
+                    driver->DXGIInfoQueue->SetBreakOnSeverity(DXGI_DEBUG_ALL, DXGI_INFO_QUEUE_MESSAGE_SEVERITY_WARNING, TRUE);
                 }
             }
         }
@@ -346,9 +344,9 @@ namespace Juliet::D3D12
         {
             if (driver->DXGIDebug)
             {
-                IDXGIDebug_ReportLiveObjects(driver->DXGIDebug, DXGI_DEBUG_ALL,
-                                             static_cast<DXGI_DEBUG_RLO_FLAGS>(DXGI_DEBUG_RLO_SUMMARY | DXGI_DEBUG_RLO_DETAIL));
-                IDXGIDebug_Release(driver->DXGIDebug);
+                driver->DXGIDebug->ReportLiveObjects(DXGI_DEBUG_ALL, static_cast<DXGI_DEBUG_RLO_FLAGS>(
+                                                                         DXGI_DEBUG_RLO_SUMMARY | DXGI_DEBUG_RLO_DETAIL));
+                driver->DXGIDebug->Release();
                 driver->DXGIDebug = nullptr;
             }
 
@@ -380,7 +378,7 @@ namespace Juliet::D3D12
                 return;
             }
 
-            ID3D12Debug1_EnableDebugLayer(driver->D3D12Debug);
+            driver->D3D12Debug->EnableDebugLayer();
         }
 
         bool InitializeD3D12DebugInfoQueue(NonNullPtr<D3D12Driver> driver)
@@ -388,8 +386,7 @@ namespace Juliet::D3D12
             ID3D12InfoQueue*       infoQueue    = nullptr;
             D3D12_MESSAGE_SEVERITY severities[] = { D3D12_MESSAGE_SEVERITY_INFO };
 
-            HRESULT result =
-                ID3D12Device_QueryInterface(driver->D3D12Device, IID_ID3D12InfoQueue, reinterpret_cast<void**>(&infoQueue));
+            HRESULT result = driver->D3D12Device->QueryInterface(IID_ID3D12InfoQueue, reinterpret_cast<void**>(&infoQueue));
             if (FAILED(result))
             {
                 LogError(driver->D3D12Device, "Failed to convert ID3D12Device to ID3D12InfoQueue", result);
@@ -399,14 +396,13 @@ namespace Juliet::D3D12
             D3D12_INFO_QUEUE_FILTER filter = {};
             filter.DenyList.NumSeverities  = 1;
             filter.DenyList.pSeverityList  = severities;
-            ID3D12InfoQueue_PushStorageFilter(infoQueue, &filter);
-            ID3D12InfoQueue_SetBreakOnSeverity(infoQueue, D3D12_MESSAGE_SEVERITY_CORRUPTION, true);
-            ID3D12InfoQueue_Release(infoQueue);
+            infoQueue->PushStorageFilter(&filter);
+            // infoQueue->SetBreakOnSeverity(D3D12_MESSAGE_SEVERITY_CORRUPTION, true);
+            infoQueue->Release();
 
             return true;
         }
 
-#ifdef ID3D12InfoQueue1_SUPPORTED
         void WINAPI OnD3D12DebugInfoMsg(D3D12_MESSAGE_CATEGORY category, D3D12_MESSAGE_SEVERITY severity,
                                         D3D12_MESSAGE_ID id, LPCSTR description, void* /*context*/)
         {
@@ -451,19 +447,16 @@ namespace Juliet::D3D12
         {
             // Only supported on Win 11 apparently
             ID3D12InfoQueue1* infoQueue = nullptr;
-            HRESULT           result =
-                ID3D12Device5_QueryInterface(driver->D3D12Device, IID_ID3D12InfoQueue1, reinterpret_cast<void**>(&infoQueue));
+            HRESULT result = driver->D3D12Device->QueryInterface(IID_ID3D12InfoQueue1, reinterpret_cast<void**>(&infoQueue));
             if (FAILED(result))
             {
                 return;
             }
 
-            ID3D12InfoQueue1_RegisterMessageCallback(infoQueue, OnD3D12DebugInfoMsg, D3D12_MESSAGE_CALLBACK_FLAG_NONE,
-                                                     nullptr, nullptr);
-            ID3D12InfoQueue1_Release(infoQueue);
+            infoQueue->RegisterMessageCallback(OnD3D12DebugInfoMsg, D3D12_MESSAGE_CALLBACK_FLAG_NONE, nullptr, nullptr);
+            infoQueue->Release();
+            Log(LogLevel::Message, LogCategory::Graphics, "DX12: Debug Info Logger Initialized");
         }
-#endif
-
 #endif
 
         void DestroyDriver_Internal(NonNullPtr<D3D12Driver> driver)
@@ -520,6 +513,7 @@ namespace Juliet::D3D12
             Internal::DestroyDescriptorHeap(driver->BindlessDescriptorHeap);
 
             // Clean allocations
+
             SafeFree(driver->AvailableCommandLists);
             SafeFree(driver->SubmittedCommandLists);
             SafeFree(driver->GraphicsPipelinesToDispose);
@@ -528,41 +522,40 @@ namespace Juliet::D3D12
 
             if (driver->IndirectDrawCommandSignature)
             {
-                ID3D12CommandSignature_Release(driver->IndirectDrawCommandSignature);
-                driver->IndirectDrawCommandSignature = nullptr;
+                driver->IndirectDrawCommandSignature->Release();
             }
             if (driver->IndirectIndexedDrawCommandSignature)
             {
-                ID3D12CommandSignature_Release(driver->IndirectIndexedDrawCommandSignature);
+                driver->IndirectIndexedDrawCommandSignature->Release();
                 driver->IndirectIndexedDrawCommandSignature = nullptr;
             }
             if (driver->IndirectDispatchCommandSignature)
             {
-                ID3D12CommandSignature_Release(driver->IndirectDispatchCommandSignature);
+                driver->IndirectDispatchCommandSignature->Release();
                 driver->IndirectDispatchCommandSignature = nullptr;
             }
 
             if (driver->GraphicsQueue)
             {
-                ID3D12CommandQueue_Release(driver->GraphicsQueue);
+                driver->GraphicsQueue->Release();
                 driver->GraphicsQueue = nullptr;
             }
 
             if (driver->D3D12Device)
             {
-                ID3D12Device5_Release(driver->D3D12Device);
+                driver->D3D12Device->Release();
                 driver->D3D12Device = nullptr;
             }
 
             if (driver->DXGIAdapter)
             {
-                IDXGIAdapter1_Release(driver->DXGIAdapter);
+                driver->DXGIAdapter->Release();
                 driver->DXGIAdapter = nullptr;
             }
 
             if (driver->DXGIFactory)
             {
-                IDXGIFactory4_Release(driver->DXGIFactory);
+                driver->DXGIFactory->Release();
                 driver->DXGIFactory = nullptr;
             }
 
@@ -598,6 +591,7 @@ namespace Juliet::D3D12
                 Log(LogLevel::Error, LogCategory::Graphics, "OOM: D3D12WindowData");
                 return false;
             }
+            d3d12Driver->WindowData = windowData;
 
             windowData->Window = window;
 
@@ -609,7 +603,6 @@ namespace Juliet::D3D12
             }
 
             d3d12Driver->WindowData = windowData;
-            // TODO : React to resize. Need event system.
 
             return true;
         }
@@ -645,13 +638,111 @@ namespace Juliet::D3D12
             Free(device.Get());
         }
 
+        // Note: SetViewPort, SetScissorRect, SetBlendConstants, SetStencilReference
+        // are defined in D3D12CommandList.cpp and used directly via D3D12:: namespace
+
+        // BindGraphicsPipeline is now assigned directly from D3D12:: namespace
+
+        // DrawPrimitives is now assigned directly from D3D12:: namespace
+
+        void DrawIndexedPrimitives(NonNullPtr<CommandList> commandList, uint32 numIndices, uint32 numInstances,
+                                   uint32 firstIndex, uint32 vertexOffset, uint32 firstInstance)
+        {
+            auto* d3d12CommandList = reinterpret_cast<D3D12CommandList*>(commandList.Get());
+            d3d12CommandList->GraphicsCommandList.CommandList->DrawIndexedInstanced(numIndices, numInstances, firstIndex,
+                                                                                    static_cast<INT>(vertexOffset), firstInstance);
+        }
+
+        // WaitUntilGPUIsIdle, SetPushConstants are now assigned directly from D3D12:: namespace
+
+        // QueryFence, ReleaseFence, CreateShader, DestroyShader are now assigned directly from D3D12:: namespace
+
+        // CreateGraphicsPipeline is assigned directly from D3D12:: namespace
+
+        void DestroyGraphicsPipeline(NonNullPtr<GPUDriver> driver, NonNullPtr<GraphicsPipeline> pipeline)
+        {
+            auto* d3d12Driver = static_cast<D3D12Driver*>(driver.Get());
+            d3d12Driver->GraphicsPipelinesToDispose[d3d12Driver->GraphicsPipelinesToDisposeCount] =
+                reinterpret_cast<D3D12GraphicsPipeline*>(pipeline.Get());
+            d3d12Driver->GraphicsPipelinesToDisposeCount += 1;
+            if (d3d12Driver->GraphicsPipelinesToDisposeCount >= d3d12Driver->GraphicsPipelinesToDisposeCapacity)
+            {
+                Internal::ReleaseGraphicsPipeline(reinterpret_cast<D3D12GraphicsPipeline*>(pipeline.Get()));
+            }
+        }
+
+        // Buffer functions are assigned directly from D3D12:: namespace
+
+        void CopyBufferToTexture(NonNullPtr<CommandList> commandList, NonNullPtr<Texture> dst, NonNullPtr<GraphicsTransferBuffer> src)
+        {
+            auto* d3d12CommandList      = reinterpret_cast<D3D12CommandList*>(commandList.Get());
+            auto* d3d12TextureContainer = reinterpret_cast<D3D12TextureContainer*>(dst.Get());
+            auto* d3d12Texture          = d3d12TextureContainer->ActiveTexture;
+
+            Internal::TextureTransitionFromDefaultUsage(d3d12CommandList, d3d12Texture, D3D12_RESOURCE_STATE_COPY_DEST);
+
+            // Get resource desc using C++ API
+            D3D12_RESOURCE_DESC desc = d3d12Texture->Resource->GetDesc();
+
+            D3D12_TEXTURE_COPY_LOCATION dstLoc = {};
+            dstLoc.pResource                   = d3d12Texture->Resource;
+            dstLoc.Type                        = D3D12_TEXTURE_COPY_TYPE_SUBRESOURCE_INDEX;
+            dstLoc.SubresourceIndex            = 0;
+
+            // Get buffer resource - D3D12Buffer is anonymous, access Handle directly
+            // The GraphicsTransferBuffer IS a D3D12Buffer internally
+            struct D3D12TransferBuffer
+            {
+                Internal::D3D12Descriptor Descriptor;
+                ID3D12Resource*           Handle;
+                D3D12_RESOURCE_STATES     CurrentState;
+            };
+            auto* d3d12BufferSrc = reinterpret_cast<D3D12TransferBuffer*>(src.Get());
+
+            D3D12_TEXTURE_COPY_LOCATION srcLoc      = {};
+            srcLoc.pResource                        = d3d12BufferSrc->Handle;
+            srcLoc.Type                             = D3D12_TEXTURE_COPY_TYPE_PLACED_FOOTPRINT;
+            srcLoc.PlacedFootprint.Offset           = 0;
+            srcLoc.PlacedFootprint.Footprint.Format = desc.Format;
+            srcLoc.PlacedFootprint.Footprint.Width  = (UINT)desc.Width;
+            srcLoc.PlacedFootprint.Footprint.Height = desc.Height;
+            srcLoc.PlacedFootprint.Footprint.Depth  = 1;
+
+            uint32 rowPitch = (uint32)desc.Width * 4;
+            rowPitch        = (rowPitch + 255u) & ~255u;
+
+            srcLoc.PlacedFootprint.Footprint.RowPitch = rowPitch;
+
+            d3d12CommandList->GraphicsCommandList.CommandList->CopyTextureRegion(&dstLoc, 0, 0, 0, &srcLoc, nullptr);
+
+            Internal::TextureTransitionToDefaultUsage(d3d12CommandList, d3d12Texture, D3D12_RESOURCE_STATE_COPY_DEST);
+        }
+
+        // GetDescriptorIndex wrapper needed to adapt signature from GPUDriver* to GraphicsDevice*
+        uint32 GetDescriptorIndex(NonNullPtr<GraphicsDevice> device, NonNullPtr<GraphicsBuffer> buffer)
+        {
+            auto* driver = static_cast<D3D12Driver*>(device->Driver);
+            return D3D12::GetDescriptorIndex(driver, buffer);
+        }
+
+        // GetDescriptorIndexTexture provides custom logic to get SRV handle index
+        uint32 GetDescriptorIndexTexture(NonNullPtr<GraphicsDevice> /*device*/, NonNullPtr<Texture> texture)
+        {
+            auto* textureContainer = reinterpret_cast<D3D12TextureContainer*>(texture.Get());
+            return textureContainer->ActiveTexture->SRVHandle.CpuHandleIndex;
+        }
+
+#if ALLOW_SHADER_HOT_RELOAD
+        bool UpdateGraphicsPipelineShaders(NonNullPtr<GPUDriver> /*driver*/, NonNullPtr<GraphicsPipeline> /*graphicsPipeline*/,
+                                           Shader* /*optional_vertexShader*/, Shader* /*optional_fragmentShader*/)
+        {
+            // Missing implementation, skipping for now
+            return false;
+        }
+#endif
 
         GraphicsDevice* CreateGraphicsDevice(bool enableDebug)
         {
-#if JULIET_DEBUG
-            // Unit Tests for D3D12 Logic
-            UnitTest::TestDescriptorHeapPool();
-#endif
             auto driver = static_cast<D3D12Driver*>(Calloc(1, sizeof(D3D12Driver)));
 
 #if JULIET_DEBUG
@@ -671,7 +762,7 @@ namespace Juliet::D3D12
                 return nullptr;
             }
 
-            result = IDXGIFactory1_QueryInterface(factory1, IID_IDXGIFactory4, reinterpret_cast<void**>(&driver->DXGIFactory));
+            result = factory1->QueryInterface(IID_IDXGIFactory4, reinterpret_cast<void**>(&driver->DXGIFactory));
             if (FAILED(result))
             {
                 DestroyDriver_Internal(driver);
@@ -679,43 +770,40 @@ namespace Juliet::D3D12
                               "checked in CheckDriver");
                 return nullptr;
             }
-            IDXGIFactory1_Release(factory1);
+            factory1->Release();
 
             // Query DXGI1.5 and check for monitor Tearing support
             IDXGIFactory5* factory5 = nullptr;
-            result = IDXGIFactory4_QueryInterface(driver->DXGIFactory, IID_IDXGIFactory5, reinterpret_cast<void**>(&factory5));
+            result = driver->DXGIFactory->QueryInterface(IID_IDXGIFactory5, reinterpret_cast<void**>(&factory5));
             if (SUCCEEDED(result))
             {
                 bool isTearingSupported = false;
-                result = IDXGIFactory5_CheckFeatureSupport(factory5, DXGI_FEATURE_PRESENT_ALLOW_TEARING,
-                                                           &isTearingSupported, sizeof(isTearingSupported));
+                result = factory5->CheckFeatureSupport(DXGI_FEATURE_PRESENT_ALLOW_TEARING, &isTearingSupported,
+                                                       sizeof(isTearingSupported));
                 driver->IsTearingSupported = isTearingSupported;
                 if (FAILED(result))
                 {
                     driver->IsTearingSupported = false;
                 }
-                IDXGIFactory5_Release(factory5);
+                factory5->Release();
             }
 
             // If available use DXGI1.6 to fetch the good graphics card.
             // 1.6 should be available on most Win10 PC if they didnt their windows update.
             // Lets support not having it for now...
             IDXGIFactory6* factory6 = nullptr;
-            result = IDXGIFactory4_QueryInterface(driver->DXGIFactory, IID_IDXGIFactory6, reinterpret_cast<void**>(&factory6));
+            result = driver->DXGIFactory->QueryInterface(IID_IDXGIFactory6, reinterpret_cast<void**>(&factory6));
             if (SUCCEEDED(result))
             {
                 // TODO: Put into the config
                 static constexpr bool useLowPower = false;
-                result                            = IDXGIFactory6_EnumAdapterByGpuPreference(factory6, 0,
-                                                                  useLowPower ? DXGI_GPU_PREFERENCE_MINIMUM_POWER
-                                                                                                         : DXGI_GPU_PREFERENCE_HIGH_PERFORMANCE,
-                                                                                             IID_IDXGIAdapter1,
-                                                                                             reinterpret_cast<void**>(&driver->DXGIAdapter));
-                IDXGIFactory6_Release(factory6);
+                result = factory6->EnumAdapterByGpuPreference(0, useLowPower ? DXGI_GPU_PREFERENCE_MINIMUM_POWER : DXGI_GPU_PREFERENCE_HIGH_PERFORMANCE,
+                                                              IID_IDXGIAdapter1, reinterpret_cast<void**>(&driver->DXGIAdapter));
+                factory6->Release();
             }
             else
             {
-                result = IDXGIFactory4_EnumAdapters1(driver->DXGIFactory, 0, &driver->DXGIAdapter);
+                result = driver->DXGIFactory->EnumAdapters1(0, &driver->DXGIAdapter);
             }
 
             if (FAILED(result))
@@ -727,7 +815,7 @@ namespace Juliet::D3D12
 
             // Adapter is setup, get all the relevant info in the descriptor
             DXGI_ADAPTER_DESC1 adapterDesc;
-            result = IDXGIAdapter1_GetDesc1(driver->DXGIAdapter, &adapterDesc);
+            result = driver->DXGIAdapter->GetDesc1(&adapterDesc);
             if (FAILED(result))
             {
                 DestroyDriver_Internal(driver);
@@ -737,7 +825,7 @@ namespace Juliet::D3D12
 
             // Driver version
             LARGE_INTEGER umdVersion;
-            result = IDXGIAdapter1_CheckInterfaceSupport(driver->DXGIAdapter, IID_IDXGIDevice, &umdVersion);
+            result = driver->DXGIAdapter->CheckInterfaceSupport(IID_IDXGIDevice, &umdVersion);
             if (FAILED(result))
             {
                 DestroyDriver_Internal(driver);
@@ -784,7 +872,7 @@ namespace Juliet::D3D12
             }
 #endif
 
-            result = D3D12CreateDeviceFuncPtr(reinterpret_cast<IUnknown*>(driver->DXGIAdapter), kD3DFeatureLevel,
+            result = D3D12CreateDeviceFuncPtr(static_cast<IUnknown*>(driver->DXGIAdapter), kD3DFeatureLevel,
                                               IID_ID3D12Device5, reinterpret_cast<void**>(&driver->D3D12Device));
             if (FAILED(result))
             {
@@ -793,6 +881,8 @@ namespace Juliet::D3D12
                 return nullptr;
             }
 
+            Log(LogLevel::Message, LogCategory::Graphics, "DX12: D3D12Device Created: %p", (void*)driver->D3D12Device);
+
 #if JULIET_DEBUG
             if (enableDebug)
             {
@@ -800,17 +890,15 @@ namespace Juliet::D3D12
                 {
                     return nullptr;
                 }
-#ifdef ID3D12InfoQueue1_SUPPORTED
                 InitializeD3D12DebugInfoLogger(driver);
-#endif
             }
 #endif
 
             // Check if UMA (unified memory architecture) is available. Used on APU i think ??
             D3D12_FEATURE_DATA_ARCHITECTURE architecture;
             architecture.NodeIndex = 0;
-            result = ID3D12Device5_CheckFeatureSupport(driver->D3D12Device, D3D12_FEATURE_ARCHITECTURE, &architecture,
-                                                       sizeof(D3D12_FEATURE_DATA_ARCHITECTURE));
+            result                 = driver->D3D12Device->CheckFeatureSupport(D3D12_FEATURE_ARCHITECTURE, &architecture,
+                                                                              sizeof(D3D12_FEATURE_DATA_ARCHITECTURE));
             if (FAILED(result))
             {
                 DestroyDriver_Internal(driver);
@@ -823,8 +911,7 @@ namespace Juliet::D3D12
             // Check "GPU Upload Heap" support (for fast uniform buffers. Not supported on my 5700xt
             D3D12_FEATURE_DATA_D3D12_OPTIONS16 options16;
             driver->GPUUploadHeapSupported = false;
-            result = ID3D12Device5_CheckFeatureSupport(driver->D3D12Device, D3D12_FEATURE_D3D12_OPTIONS16, &options16,
-                                                       sizeof(options16));
+            result = driver->D3D12Device->CheckFeatureSupport(D3D12_FEATURE_D3D12_OPTIONS16, &options16, sizeof(options16));
             if (SUCCEEDED(result))
             {
                 driver->GPUUploadHeapSupported = options16.GPUUploadHeapSupported;
@@ -840,17 +927,23 @@ namespace Juliet::D3D12
             queueDesc.Type                     = D3D12_COMMAND_LIST_TYPE_DIRECT;
             queueDesc.NodeMask                 = 0;
             queueDesc.Priority                 = D3D12_COMMAND_QUEUE_PRIORITY_NORMAL;
-            result = ID3D12Device5_CreateCommandQueue(driver->D3D12Device, &queueDesc, IID_ID3D12CommandQueue,
-                                                      reinterpret_cast<void**>(&driver->GraphicsQueue));
+            result = driver->D3D12Device->CreateCommandQueue(&queueDesc, IID_ID3D12CommandQueue,
+                                                             reinterpret_cast<void**>(&driver->GraphicsQueue));
             if (FAILED(result))
             {
                 DestroyDriver_Internal(driver);
                 Log(LogLevel::Error, LogCategory::Graphics, "DX12: Could not create D3D12CommandQueue: Graphics");
                 return nullptr;
             }
-            ID3D12CommandQueue_SetName(driver->GraphicsQueue, L"GRAPHICS_QUEUE");
+            driver->GraphicsQueue->SetName(L"GRAPHICS_QUEUE");
             driver->QueueDesc[ToUnderlying(QueueType::Graphics)] = queueDesc;
 
+            queueDesc.Type                                      = D3D12_COMMAND_LIST_TYPE_COMPUTE;
+            driver->QueueDesc[ToUnderlying(QueueType::Compute)] = queueDesc;
+
+            queueDesc.Type                                   = D3D12_COMMAND_LIST_TYPE_COPY;
+            driver->QueueDesc[ToUnderlying(QueueType::Copy)] = queueDesc;
+
             // Indirect Commands
             D3D12_COMMAND_SIGNATURE_DESC commandSignatureDesc;
             D3D12_INDIRECT_ARGUMENT_DESC indirectArgumentDesc;
@@ -861,8 +954,8 @@ namespace Juliet::D3D12
             commandSignatureDesc.ByteStride       = sizeof(IndirectDrawCommand);
             commandSignatureDesc.NumArgumentDescs = 1;
             commandSignatureDesc.pArgumentDescs   = &indirectArgumentDesc;
-            result = ID3D12Device5_CreateCommandSignature(driver->D3D12Device, &commandSignatureDesc, nullptr, IID_ID3D12CommandSignature,
-                                                          reinterpret_cast<void**>(&driver->IndirectDrawCommandSignature));
+            result = driver->D3D12Device->CreateCommandSignature(&commandSignatureDesc, nullptr, IID_ID3D12CommandSignature,
+                                                                 reinterpret_cast<void**>(&driver->IndirectDrawCommandSignature));
             if (FAILED(result))
             {
                 DestroyDriver_Internal(driver);
@@ -874,8 +967,8 @@ namespace Juliet::D3D12
             commandSignatureDesc.ByteStride     = sizeof(IndexedIndirectDrawCommand);
             commandSignatureDesc.pArgumentDescs = &indirectArgumentDesc;
 
-            result = ID3D12Device5_CreateCommandSignature(driver->D3D12Device, &commandSignatureDesc, nullptr, IID_ID3D12CommandSignature,
-                                                          reinterpret_cast<void**>(&driver->IndirectIndexedDrawCommandSignature));
+            result = driver->D3D12Device->CreateCommandSignature(&commandSignatureDesc, nullptr, IID_ID3D12CommandSignature,
+                                                                 reinterpret_cast<void**>(&driver->IndirectIndexedDrawCommandSignature));
             if (FAILED(result))
             {
 
@@ -888,8 +981,8 @@ namespace Juliet::D3D12
             commandSignatureDesc.ByteStride     = sizeof(IndirectDispatchCommand);
             commandSignatureDesc.pArgumentDescs = &indirectArgumentDesc;
 
-            result = ID3D12Device5_CreateCommandSignature(driver->D3D12Device, &commandSignatureDesc, nullptr, IID_ID3D12CommandSignature,
-                                                          reinterpret_cast<void**>(&driver->IndirectDispatchCommandSignature));
+            result = driver->D3D12Device->CreateCommandSignature(&commandSignatureDesc, nullptr, IID_ID3D12CommandSignature,
+                                                                 reinterpret_cast<void**>(&driver->IndirectDispatchCommandSignature));
             if (FAILED(result))
             {
                 DestroyDriver_Internal(driver);
@@ -936,7 +1029,8 @@ namespace Juliet::D3D12
             {
                 heapPool.Capacity = 4;
                 heapPool.Count    = 4;
-                heapPool.Heaps    = ArenaPushArray<Internal::D3D12DescriptorHeap*>(GetEngineArena(), heapPool.Capacity);
+                heapPool.Heaps    = ArenaPushArray<Internal::D3D12DescriptorHeap*>(GetEngineArena(), heapPool.Capacity,
+                                                                                   ConstString("DescriptorHeap"));
 
                 for (uint32 i = 0; i < heapPool.Capacity; ++i)
                 {
@@ -984,35 +1078,42 @@ namespace Juliet::D3D12
             device->AcquireSwapChainTexture        = AcquireSwapChainTexture;
             device->WaitAndAcquireSwapChainTexture = WaitAndAcquireSwapChainTexture;
             device->GetSwapChainTextureFormat      = GetSwapChainTextureFormat;
-            device->AcquireCommandList             = AcquireCommandList;
-            device->SubmitCommandLists             = SubmitCommandLists;
-            device->BeginRenderPass                = BeginRenderPass;
-            device->EndRenderPass                  = EndRenderPass;
-            device->SetViewPort                    = SetViewPort;
-            device->SetScissorRect                 = SetScissorRect;
-            device->SetBlendConstants              = SetBlendConstants;
-            device->SetStencilReference            = SetStencilReference;
-            device->BindGraphicsPipeline           = BindGraphicsPipeline;
-            device->DrawPrimitives                 = DrawPrimitives;
-            device->WaitUntilGPUIsIdle             = WaitUntilGPUIsIdle;
-            device->SetPushConstants               = SetPushConstants;
-            device->QueryFence                     = QueryFence;
-            device->ReleaseFence                   = ReleaseFence;
-            device->CreateShader                   = CreateShader;
-            device->DestroyShader                  = DestroyShader;
-            device->CreateGraphicsPipeline         = CreateGraphicsPipeline;
-            device->DestroyGraphicsPipeline        = DestroyGraphicsPipeline;
-            device->CreateGraphicsBuffer           = CreateGraphicsBuffer;
-            device->DestroyGraphicsBuffer          = DestroyGraphicsBuffer;
-            device->CreateGraphicsTransferBuffer   = CreateGraphicsTransferBuffer;
-            device->DestroyGraphicsTransferBuffer  = DestroyGraphicsTransferBuffer;
-            device->MapGraphicsTransferBuffer      = MapBuffer;
-            device->UnmapGraphicsTransferBuffer    = UnmapBuffer;
-            device->CopyBuffer                     = CopyBuffer;
-            device->TransitionBufferToReadable     = TransitionBufferToReadable;
-            device->GetDescriptorIndex             = GetDescriptorIndex;
-            device->CreateTexture                  = CreateTexture;
-            device->DestroyTexture                 = DestroyTexture;
+            device->AcquireCommandList             = D3D12::AcquireCommandList;
+            device->SubmitCommandLists             = D3D12::SubmitCommandLists;
+
+            device->BeginRenderPass       = D3D12::BeginRenderPass;
+            device->EndRenderPass         = D3D12::EndRenderPass;
+            device->SetViewPort           = D3D12::SetViewPort;
+            device->SetScissorRect        = D3D12::SetScissorRect;
+            device->SetBlendConstants     = D3D12::SetBlendConstants;
+            device->SetStencilReference   = D3D12::SetStencilReference;
+            device->BindGraphicsPipeline  = D3D12::BindGraphicsPipeline;
+            device->DrawPrimitives        = D3D12::DrawPrimitives;
+            device->DrawIndexedPrimitives = DrawIndexedPrimitives;
+            device->SetIndexBuffer        = D3D12::SetIndexBuffer;
+            device->WaitUntilGPUIsIdle    = D3D12::WaitUntilGPUIsIdle;
+
+            device->SetPushConstants              = D3D12::SetPushConstants;
+            device->QueryFence                    = D3D12::QueryFence;
+            device->ReleaseFence                  = D3D12::ReleaseFence;
+            device->CreateShader                  = D3D12::CreateShader;
+            device->DestroyShader                 = D3D12::DestroyShader;
+            device->CreateGraphicsPipeline        = D3D12::CreateGraphicsPipeline;
+            device->DestroyGraphicsPipeline       = DestroyGraphicsPipeline;
+            device->CreateGraphicsBuffer          = D3D12::CreateGraphicsBuffer;
+            device->DestroyGraphicsBuffer         = D3D12::DestroyGraphicsBuffer;
+            device->CreateGraphicsTransferBuffer  = D3D12::CreateGraphicsTransferBuffer;
+            device->DestroyGraphicsTransferBuffer = D3D12::DestroyGraphicsTransferBuffer;
+            device->MapGraphicsTransferBuffer     = D3D12::MapBuffer;
+            device->UnmapGraphicsTransferBuffer   = D3D12::UnmapBuffer;
+            device->CopyBuffer                    = CopyBuffer;
+            device->CopyBufferToTexture           = CopyBufferToTexture;
+            device->TransitionBufferToReadable    = D3D12::TransitionBufferToReadable;
+
+            device->GetDescriptorIndex        = GetDescriptorIndex;
+            device->GetDescriptorIndexTexture = GetDescriptorIndexTexture;
+            device->CreateTexture             = D3D12::CreateTexture;
+            device->DestroyTexture            = D3D12::DestroyTexture;
 
 #if ALLOW_SHADER_HOT_RELOAD
             device->UpdateGraphicsPipelineShaders = UpdateGraphicsPipelineShaders;
@@ -1024,7 +1125,8 @@ namespace Juliet::D3D12
             driver->GraphicsDevice = device;
 
             // Create Global Bindless Heap that stays alive for the driver whole lifetime
-            driver->BindlessDescriptorHeap = Internal::CreateDescriptorHeap(driver, D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV, GPUDriver::kCBV_SRV_UAV_HeapDescriptorCount, false);
+            driver->BindlessDescriptorHeap = Internal::CreateDescriptorHeap(driver, D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV,
+                                                                            GPUDriver::kCBV_SRV_UAV_HeapDescriptorCount, false);
 
             return device;
         }

Juliet/src/Graphics/D3D12/D3D12GraphicsDevice.h

@@ -53,7 +53,7 @@ namespace Juliet::D3D12
         ID3D12Device5*                               D3D12Device;
         PFN_D3D12_SERIALIZE_VERSIONED_ROOT_SIGNATURE D3D12SerializeVersionedRootSignatureFct;
         ID3D12CommandQueue*                          GraphicsQueue;
-        D3D12_COMMAND_QUEUE_DESC                     QueueDesc[ToUnderlying(QueueType::Copy)];
+        D3D12_COMMAND_QUEUE_DESC                     QueueDesc[ToUnderlying(QueueType::Count)];
 #if JULIET_DEBUG
         ID3D12Debug1* D3D12Debug;
 #endif
@@ -112,6 +112,7 @@ namespace Juliet::D3D12
         bool GPUUploadHeapSupported : 1;
     };
 
+
     namespace Internal
     {
         void DisposePendingResourcces(NonNullPtr<D3D12Driver> driver);

Juliet/src/Graphics/D3D12/D3D12GraphicsPipeline.cpp

@@ -406,7 +406,7 @@ namespace Juliet::D3D12
         psoDesc.pRootSignature  = d3d12Driver->BindlessRootSignature->Handle;
 
         ID3D12PipelineState* pipelineState;
-        HRESULT res = ID3D12Device_CreateGraphicsPipelineState(d3d12Driver->D3D12Device, &psoDesc, IID_ID3D12PipelineState,
+        HRESULT res = d3d12Driver->D3D12Device->CreateGraphicsPipelineState(&psoDesc, IID_ID3D12PipelineState,
                                                                reinterpret_cast<void**>(&pipelineState));
         if (FAILED(res))
         {
@@ -499,7 +499,7 @@ namespace Juliet::D3D12
         psoDesc.pRootSignature = d3d12Driver->BindlessRootSignature->Handle;
 
         ID3D12PipelineState* pipelineState;
-        HRESULT res = ID3D12Device_CreateGraphicsPipelineState(d3d12Driver->D3D12Device, &psoDesc, IID_ID3D12PipelineState,
+        HRESULT res = d3d12Driver->D3D12Device->CreateGraphicsPipelineState(&psoDesc, IID_ID3D12PipelineState,
                                                                reinterpret_cast<void**>(&pipelineState));
         if (FAILED(res))
         {
@@ -520,7 +520,7 @@ namespace Juliet::D3D12
         // If everything worked, we patch the graphics pipeline and destroy everything irrelevant
         if (d3d12GraphicsPipeline->PipelineState)
         {
-            ID3D12PipelineState_Release(d3d12GraphicsPipeline->PipelineState);
+            d3d12GraphicsPipeline->PipelineState->Release();
         }
         d3d12GraphicsPipeline->PipelineState = pipelineState;
 
@@ -543,7 +543,7 @@ namespace Juliet::D3D12
         {
             if (d3d12GraphicsPipeline->PipelineState)
             {
-                ID3D12PipelineState_Release(d3d12GraphicsPipeline->PipelineState);
+                d3d12GraphicsPipeline->PipelineState->Release();
             }
 
 #if ALLOW_SHADER_HOT_RELOAD

Juliet/src/Graphics/D3D12/D3D12Includes.h

@@ -8,30 +8,22 @@
 // Because Microsoft respects nothing
 // TODO: Create an external dependency with its one fbuild.bff
 #ifdef __clang__
-    #pragma clang diagnostic push
-    #pragma clang diagnostic ignored "-Wreserved-macro-identifier"
-    #pragma clang diagnostic ignored "-Wreserved-identifier"
-    #pragma clang diagnostic ignored "-Wnonportable-system-include-path"
-    #pragma clang diagnostic ignored "-Wmicrosoft-enum-value"
-    #pragma clang diagnostic ignored "-Wnested-anon-types"
-    #pragma clang diagnostic ignored "-Wnon-virtual-dtor"
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wreserved-macro-identifier"
+#pragma clang diagnostic ignored "-Wreserved-identifier"
+#pragma clang diagnostic ignored "-Wnonportable-system-include-path"
+#pragma clang diagnostic ignored "-Wmicrosoft-enum-value"
+#pragma clang diagnostic ignored "-Wnested-anon-types"
+#pragma clang diagnostic ignored "-Wnon-virtual-dtor"
 #endif
 
-// We will use the C interface of DX12.
-// Those define disable the C++ API.
-// It also prevents using d3dx12 because it only supports C++ :(
-#define COBJMACROS
-#define CINTERFACE
-
-#include <Graphics/D3D12/AgilitySDK/d3d12.h>
 #include <dxgi1_6.h>
+#include <Graphics/D3D12/AgilitySDK/d3d12.h>
 
 #if JULIET_DEBUG
 #include <dxgidebug.h>
 #endif
 
-//#include <dxgi.h>
-
 #ifdef __IDXGIInfoQueue_INTERFACE_DEFINED__
 #define IDXGIINFOQUEUE_SUPPORTED
 #endif
@@ -44,5 +36,5 @@
 #undef max
 
 #ifdef __clang__
-    #pragma clang diagnostic pop
+#pragma clang diagnostic pop
 #endif

Juliet/src/Graphics/D3D12/D3D12InternalTests.cpp

@@ -1,141 +1,13 @@
-#include <Graphics/D3D12/D3D12InternalTests.h>
 #include <Core/Memory/Allocator.h>
 #include <Graphics/D3D12/D3D12DescriptorHeap.h>
 #include <Graphics/D3D12/D3D12GraphicsDevice.h>
+#include <Graphics/D3D12/D3D12InternalTests.h>
 
 #if JULIET_DEBUG
-    
+
 namespace Juliet::D3D12::UnitTest
 {
     using namespace Juliet::D3D12;
     using namespace Juliet::D3D12::Internal;
-
-    static D3D12DescriptorHeap* MockCreateDescriptorHeap(NonNullPtr<D3D12Driver>, D3D12_DESCRIPTOR_HEAP_TYPE type, uint32, bool)
-    {
-        D3D12DescriptorHeap* heap = static_cast<D3D12DescriptorHeap*>(Calloc(1, sizeof(D3D12DescriptorHeap)));
-        if (heap)
-        {
-            heap->HeapType = type;
-            heap->MaxDescriptors = 128; 
-            // Mock other fields as needed to pass verification
-        }
-        return heap;
-    }
-
-    void TestDescriptorHeapPool()
-    {
-        D3D12Driver driver = {};
-        ZeroStruct(driver);
-        // Ensure pool is empty
-        driver.SamplerHeapPool.Count    = 0;
-        driver.SamplerHeapPool.Capacity = 0;
-        driver.SamplerHeapPool.Heaps    = nullptr;
-
-        NonNullPtr<D3D12Driver> driverPtr(&driver);
-
-        // 1. Acquire from empty -> Should create new
-        D3D12DescriptorHeap* heap1 = AcquireSamplerHeapFromPool(driverPtr, MockCreateDescriptorHeap);
-        Assert(heap1 != nullptr);
-        Assert(driver.SamplerHeapPool.Count == 0);          // Used heaps are above Count
-        Assert(driver.SamplerHeapPool.Capacity >= 1);
-        Assert(driver.SamplerHeapPool.Heaps[0] == heap1);
-
-        // 2. Return -> Should become available
-        ReturnSamplerHeapToPool(driverPtr, heap1);
-        Assert(driver.SamplerHeapPool.Count == 1);          // One available
-        Assert(driver.SamplerHeapPool.Heaps[0] == heap1);   // Available is at index 0
-
-        // 3. Acquire again -> Should reuse
-        D3D12DescriptorHeap* heap2 = AcquireSamplerHeapFromPool(driverPtr, MockCreateDescriptorHeap);
-        Assert(heap2 == heap1);                             // Reused
-        Assert(driver.SamplerHeapPool.Count == 0);          // No available left
-
-        // 4. Acquire another -> Should Expand and Create
-        D3D12DescriptorHeap* heap3 = AcquireSamplerHeapFromPool(driverPtr, MockCreateDescriptorHeap);
-        Assert(heap3 != nullptr);
-        Assert(heap3 != heap1);
-        Assert(driver.SamplerHeapPool.Count == 0);
-        Assert(driver.SamplerHeapPool.Capacity >= 2);
-
-        // Cleanup
-        (void)heap1; (void)heap2; (void)heap3;
-        Free(heap1);
-        Free(heap3);
-
-        // 5. Test Multiple Allocations (8 heaps)
-        // Reset pool for clean test or continue? Let's reset to be sure of state, 
-        // effectively leaking previous pool array but that's fine for mock test.
-        // Actually, let's just continue using the pool, it has Capacity >= 2.
-        
-        // Return everything first to have clean slate if possible, but we already freed heap1 and heap3 mentally/physically.
-        // The pool thinks heap3 is "Used" (outside Count). 
-        // We freed it physically, but pool has a dangling pointer in Heaps[1].
-        // This is dangerous if we reuse it.
-        // So we MUST correct the pool state or reset it.
-        // Let's reset the pool state for the 8-loop test.
-        driver.SamplerHeapPool.Count = 0;
-        driver.SamplerHeapPool.Capacity = 0;
-        driver.SamplerHeapPool.Heaps = nullptr; // Leaks previous array
-
-        const int kNumHeaps = 32;
-        D3D12DescriptorHeap* heaps[kNumHeaps];
-
-        // 5.1 Acquire 8
-        for (int i = 0; i < kNumHeaps; ++i)
-        {
-            heaps[i] = AcquireSamplerHeapFromPool(driverPtr, MockCreateDescriptorHeap);
-            Assert(heaps[i] != nullptr);
-            // Verify uniqueness
-            for (int j = 0; j < i; ++j)
-            {
-                Assert(heaps[i] != heaps[j]);
-            }
-        }
-        Assert(driver.SamplerHeapPool.Capacity >= kNumHeaps);
-        Assert(driver.SamplerHeapPool.Count == 0);
-
-        // 5.2 Release 8
-        for (int i = 0; i < kNumHeaps; ++i)
-        {
-            ReturnSamplerHeapToPool(driverPtr, heaps[i]);
-        }
-        Assert(driver.SamplerHeapPool.Count == kNumHeaps);
-
-        // 5.3 Acquire 8 Again (Should Reuse)
-        D3D12DescriptorHeap* heapsAgain[kNumHeaps];
-        for (int i = 0; i < kNumHeaps; ++i)
-        {
-            heapsAgain[i] = AcquireSamplerHeapFromPool(driverPtr, MockCreateDescriptorHeap);
-            
-            // Verify it matches one of the original heaps (order might reverse due to stack-like behavior)
-            bool found = false;
-            for (int j = 0; j < kNumHeaps; ++j)
-            {
-                if (heapsAgain[i] == heaps[j]) 
-                {
-                    found = true; 
-                    break;
-                }
-            }
-            Assert(found);
-             // Verify uniqueness in the new set
-            for (int j = 0; j < i; ++j)
-            {
-                Assert(heapsAgain[i] != heapsAgain[j]);
-            }
-        }
-        Assert(driver.SamplerHeapPool.Count == 0);
-        // Capacity should not have increased if we reused
-        Assert(driver.SamplerHeapPool.Capacity == kNumHeaps); // Or >= 8
-
-        // Cleanup
-        for (int i = 0; i < kNumHeaps; ++i)
-        {
-            Free(heaps[i]);
-        }
-        
-        // Note: heap2 is heap1.
-        // Pool array in driver leaked for test scope, acceptable.
-    }
-}
+} // namespace Juliet::D3D12::UnitTest
 #endif

Juliet/src/Graphics/D3D12/D3D12InternalTests.h

@@ -4,6 +4,5 @@
 #if JULIET_DEBUG
 namespace Juliet::D3D12::UnitTest
 {
-    void TestDescriptorHeapPool();
 }
 #endif

Juliet/src/Graphics/D3D12/D3D12RenderPass.cpp

@@ -45,15 +45,15 @@ namespace Juliet::D3D12
         bool                        hasDSV = false;
         if (depthStencilTargetInfo && depthStencilTargetInfo->TargetTexture)
         {
-            auto* container = reinterpret_cast<D3D12TextureContainer*>(depthStencilTargetInfo->TargetTexture);
-            uint32 width    = container->Header.CreateInfo.Width;
-            uint32 height   = container->Header.CreateInfo.Height;
+            auto*  container = reinterpret_cast<D3D12TextureContainer*>(depthStencilTargetInfo->TargetTexture);
+            uint32 width     = container->Header.CreateInfo.Width;
+            uint32 height    = container->Header.CreateInfo.Height;
 
             frameBufferWidth  = Min(width, frameBufferWidth);
             frameBufferHeight = Min(height, frameBufferHeight);
 
-            D3D12TextureSubresource* subresource = Internal::PrepareTextureSubresourceForWrite(
-                d3d12CommandList, container, 0, 0, false, D3D12_RESOURCE_STATE_DEPTH_WRITE);
+            D3D12TextureSubresource* subresource =
+                Internal::PrepareTextureSubresourceForWrite(d3d12CommandList, container, 0, 0, false, D3D12_RESOURCE_STATE_DEPTH_WRITE);
 
             DSV                                       = subresource->DSVHandle.CpuHandle;
             hasDSV                                    = true;
@@ -67,9 +67,10 @@ namespace Juliet::D3D12
                 // TODO: Check if texture has stencil
                 // if (HasStencil(container->Header.CreateInfo.Format)) clearFlags |= D3D12_CLEAR_FLAG_STENCIL;
 
-                ID3D12GraphicsCommandList_ClearDepthStencilView(d3d12CommandList->GraphicsCommandList.CommandList, DSV,
-                                                                 clearFlags, depthStencilTargetInfo->ClearDepth,
-                                                                 depthStencilTargetInfo->ClearStencil, 0, nullptr);
+                d3d12CommandList->GraphicsCommandList.CommandList->ClearDepthStencilView(DSV, clearFlags,
+                                                                                         depthStencilTargetInfo->ClearDepth,
+                                                                                         depthStencilTargetInfo->ClearStencil,
+                                                                                         0, nullptr);
             }
         }
 
@@ -93,8 +94,7 @@ namespace Juliet::D3D12
                 clearColor[2] = colorTargetInfos[idx].ClearColor.B;
                 clearColor[3] = colorTargetInfos[idx].ClearColor.A;
 
-                ID3D12GraphicsCommandList6_ClearRenderTargetView(d3d12CommandList->GraphicsCommandList.CommandList, rtv,
-                                                                 clearColor, 0, nullptr);
+                d3d12CommandList->GraphicsCommandList.CommandList->ClearRenderTargetView(rtv, clearColor, 0, nullptr);
             }
 
             RTVs[idx]                                      = rtv;
@@ -119,8 +119,8 @@ namespace Juliet::D3D12
             }
         }
 
-        ID3D12GraphicsCommandList_OMSetRenderTargets(d3d12CommandList->GraphicsCommandList.CommandList,
-                                                     colorTargetInfoCount, RTVs, false, hasDSV ? &DSV : nullptr);
+        d3d12CommandList->GraphicsCommandList.CommandList->OMSetRenderTargets(colorTargetInfoCount, RTVs, false,
+                                                                              hasDSV ? &DSV : nullptr);
 
         // Set defaults graphics states
         GraphicsViewPort defaultViewport;
@@ -163,8 +163,7 @@ namespace Juliet::D3D12
                     Internal::TextureSubresourceBarrier(d3d12CommandList, D3D12_RESOURCE_STATE_RENDER_TARGET,
                                                         D3D12_RESOURCE_STATE_RESOLVE_SOURCE,
                                                         d3d12CommandList->ColorTargetSubresources[idx]);
-                    ID3D12GraphicsCommandList_ResolveSubresource(
-                        d3d12CommandList->GraphicsCommandList.CommandList,
+                    d3d12CommandList->GraphicsCommandList.CommandList->ResolveSubresource(
                         d3d12CommandList->ColorResolveSubresources[idx]->Parent->Resource,
                         d3d12CommandList->ColorResolveSubresources[idx]->Index,
                         d3d12CommandList->ColorTargetSubresources[idx]->Parent->Resource,
@@ -192,14 +191,13 @@ namespace Juliet::D3D12
         // Reset Depth Stencil state
         if (d3d12CommandList->DepthStencilSubresource)
         {
-            Internal::TextureSubresourceTransitionToDefaultUsage(d3d12CommandList,
-                                                                 d3d12CommandList->DepthStencilSubresource,
+            Internal::TextureSubresourceTransitionToDefaultUsage(d3d12CommandList, d3d12CommandList->DepthStencilSubresource,
                                                                  D3D12_RESOURCE_STATE_DEPTH_WRITE);
             d3d12CommandList->DepthStencilSubresource = nullptr;
         }
         d3d12CommandList->CurrentGraphicsPipeline = nullptr;
 
-        ID3D12GraphicsCommandList_OMSetRenderTargets(d3d12CommandList->GraphicsCommandList.CommandList, 0, nullptr, false, nullptr);
+        d3d12CommandList->GraphicsCommandList.CommandList->OMSetRenderTargets(0, nullptr, false, nullptr);
 
         // Reset bind states
         ZeroArray(d3d12CommandList->ColorTargetSubresources);
@@ -233,14 +231,16 @@ namespace Juliet::D3D12
         d3d12CommandList->CurrentGraphicsPipeline = pipeline;
 
         // Set the Descriptor heap
-        Internal::SetDescriptorHeaps(d3d12CommandList);
+        if (d3d12CommandList->CRB_SRV_UAV_Heap == nullptr)
+        {
+            Internal::SetDescriptorHeaps(d3d12CommandList);
+        }
 
         // Set the pipeline state
-        ID3D12GraphicsCommandList_SetPipelineState(d3d12CommandList->GraphicsCommandList.CommandList, pipeline->PipelineState);
-        ID3D12GraphicsCommandList_SetGraphicsRootSignature(d3d12CommandList->GraphicsCommandList.CommandList,
-                                                           pipeline->RootSignature->Handle);
-        ID3D12GraphicsCommandList_IASetPrimitiveTopology(d3d12CommandList->GraphicsCommandList.CommandList,
-                                                         JulietToD3D12_PrimitiveType[ToUnderlying(pipeline->PrimitiveType)]);
+        d3d12CommandList->GraphicsCommandList.CommandList->SetPipelineState(pipeline->PipelineState);
+        d3d12CommandList->GraphicsCommandList.CommandList->SetGraphicsRootSignature(pipeline->RootSignature->Handle);
+        d3d12CommandList->GraphicsCommandList.CommandList->IASetPrimitiveTopology(
+            JulietToD3D12_PrimitiveType[ToUnderlying(pipeline->PrimitiveType)]);
 
         // Mark that bindings are needed
         d3d12CommandList->NeedVertexSamplerBind          = true;
@@ -281,7 +281,6 @@ namespace Juliet::D3D12
         // TODO : Last missing piece
         // D3D12_INTERNAL_BindGraphicsResources(d3d12CommandBuffer);
 
-        ID3D12GraphicsCommandList_DrawInstanced(d3d12CommandList->GraphicsCommandList.CommandList, numVertices,
-                                                numInstances, firstVertex, firstInstance);
+        d3d12CommandList->GraphicsCommandList.CommandList->DrawInstanced(numVertices, numInstances, firstVertex, firstInstance);
     }
 } // namespace Juliet::D3D12

Juliet/src/Graphics/D3D12/D3D12SwapChain.cpp

@@ -41,8 +41,7 @@ namespace Juliet::D3D12
                                     SwapChainComposition composition, NonNullPtr<D3D12TextureContainer> textureContainer, uint8 index)
         {
             ID3D12Resource* swapChainTexture = nullptr;
-            HRESULT         result =
-                IDXGISwapChain_GetBuffer(swapChain, index, IID_ID3D12Resource, reinterpret_cast<void**>(&swapChainTexture));
+            HRESULT result = swapChain->GetBuffer(index, IID_ID3D12Resource, reinterpret_cast<void**>(&swapChainTexture));
             if (FAILED(result))
             {
                 LogError(driver->D3D12Device, "Cannot get buffer from SwapChain", result);
@@ -53,7 +52,7 @@ namespace Juliet::D3D12
             if (!texture)
             {
                 LogError(driver->D3D12Device, "Cannot allocate D3D12Texture (out of memory)", result);
-                ID3D12Resource_Release(swapChainTexture);
+                swapChainTexture->Release();
                 return false;
             }
 
@@ -64,7 +63,7 @@ namespace Juliet::D3D12
             {
                 LogError(driver->D3D12Device, "Cannot allocate D3D12TextureSubresource (out of memory)", result);
                 Free(texture);
-                ID3D12Resource_Release(swapChainTexture);
+                swapChainTexture->Release();
                 return false;
             }
             texture->Subresources[0].RTVHandles =
@@ -77,8 +76,7 @@ namespace Juliet::D3D12
             texture->Subresources[0].Depth          = 1;
             texture->Subresources[0].Level          = 0;
 
-            D3D12_RESOURCE_DESC textureDesc;
-            ID3D12Resource_GetDesc(swapChainTexture, &textureDesc);
+            D3D12_RESOURCE_DESC textureDesc                   = swapChainTexture->GetDesc();
             textureContainer->Header.CreateInfo.Width         = static_cast<uint32>(textureDesc.Width);
             textureContainer->Header.CreateInfo.Height        = static_cast<uint32>(textureDesc.Height);
             textureContainer->Header.CreateInfo.LayerCount    = 1;
@@ -93,7 +91,7 @@ namespace Juliet::D3D12
             {
                 Free(texture->Subresources);
                 Free(texture);
-                ID3D12Resource_Release(swapChainTexture);
+                swapChainTexture->Release();
                 return false;
             }
 
@@ -115,10 +113,10 @@ namespace Juliet::D3D12
             rtvDesc.Texture2D.MipSlice   = 0;
             rtvDesc.Texture2D.PlaneSlice = 0;
 
-            ID3D12Device_CreateRenderTargetView(driver->D3D12Device, swapChainTexture, &rtvDesc,
-                                                texture->Subresources[0].RTVHandles[0].CpuHandle);
+            driver->D3D12Device->CreateRenderTargetView(swapChainTexture, &rtvDesc,
+                                                        texture->Subresources[0].RTVHandles[0].CpuHandle);
 
-            ID3D12Resource_Release(swapChainTexture);
+            swapChainTexture->Release();
 
             return true;
         }
@@ -161,18 +159,17 @@ namespace Juliet::D3D12
                 windowData->InFlightFences[windowData->WindowFrameCounter] = nullptr;
             }
 
-            uint32  swapchainIndex = IDXGISwapChain3_GetCurrentBackBufferIndex(windowData->SwapChain);
-            HRESULT result =
-                IDXGISwapChain_GetBuffer(windowData->SwapChain, swapchainIndex, IID_ID3D12Resource,
-                                         reinterpret_cast<void**>(
-                                             &windowData->SwapChainTextureContainers[swapchainIndex].ActiveTexture->Resource));
+            uint32  swapchainIndex = windowData->SwapChain->GetCurrentBackBufferIndex();
+            HRESULT result         = windowData->SwapChain->GetBuffer(
+                swapchainIndex, IID_ID3D12Resource,
+                reinterpret_cast<void**>(&windowData->SwapChainTextureContainers[swapchainIndex].ActiveTexture->Resource));
             if (FAILED(result))
             {
                 LogError(driver->D3D12Device, "Could not acquire swapchain", result);
                 return false;
             }
 
-            // When the swap chain texture is acquired its time to present
+            // When the swap chain texture is acquired it's time to present
             if (d3d12CommandList->PresentDataCount == d3d12CommandList->PresentDataCapacity)
             {
                 d3d12CommandList->PresentDataCapacity += 1;
@@ -192,7 +189,7 @@ namespace Juliet::D3D12
             barrierDesc.Transition.pResource = windowData->SwapChainTextureContainers[swapchainIndex].ActiveTexture->Resource;
             barrierDesc.Transition.Subresource = 0;
 
-            ID3D12GraphicsCommandList_ResourceBarrier(d3d12CommandList->GraphicsCommandList.CommandList, 1, &barrierDesc);
+            d3d12CommandList->GraphicsCommandList.CommandList->ResourceBarrier(1, &barrierDesc);
 
             *swapchainTexture = reinterpret_cast<Texture*>(&windowData->SwapChainTextureContainers[swapchainIndex]);
 
@@ -293,9 +290,9 @@ namespace Juliet::D3D12
             swapChainFullscreenDesc.Windowed                        = true;
 
             IDXGISwapChain1* swapChain = nullptr;
-            HRESULT          result =
-                IDXGIFactory4_CreateSwapChainForHwnd(driver->DXGIFactory, reinterpret_cast<IUnknown*>(driver->GraphicsQueue),
-                                                     windowHandle, &swapChainDesc, &swapChainFullscreenDesc, nullptr, &swapChain);
+            HRESULT result = driver->DXGIFactory->CreateSwapChainForHwnd(static_cast<IUnknown*>(driver->GraphicsQueue),
+                                                                         windowHandle, &swapChainDesc,
+                                                                         &swapChainFullscreenDesc, nullptr, &swapChain);
             if (FAILED(result))
             {
                 LogError(driver->D3D12Device, "Failed to create SwapChain", result);
@@ -303,8 +300,8 @@ namespace Juliet::D3D12
             }
 
             IDXGISwapChain3* swapChain3 = nullptr;
-            result = IDXGISwapChain1_QueryInterface(swapChain, IID_IDXGISwapChain3, reinterpret_cast<void**>(&swapChain3));
-            IDXGISwapChain1_Release(swapChain);
+            result = swapChain->QueryInterface(IID_IDXGISwapChain3, reinterpret_cast<void**>(&swapChain3));
+            swapChain->Release();
             if (FAILED(result))
             {
                 LogError(driver->D3D12Device, "Could not query IDXGISwapChain3 interface", result);
@@ -313,11 +310,11 @@ namespace Juliet::D3D12
 
             if (composition != SwapChainComposition::SDR)
             {
-                IDXGISwapChain3_SetColorSpace1(swapChain3, SwapchainCompositionToColorSpace[ToUnderlying(composition)]);
+                swapChain3->SetColorSpace1(SwapchainCompositionToColorSpace[ToUnderlying(composition)]);
             }
 
             IDXGIFactory1* parentFactory = nullptr;
-            result = IDXGISwapChain3_GetParent(swapChain3, IID_IDXGIFactory1, reinterpret_cast<void**>(&parentFactory));
+            result = swapChain3->GetParent(IID_IDXGIFactory1, reinterpret_cast<void**>(&parentFactory));
             if (FAILED(result))
             {
                 Log(LogLevel::Warning, LogCategory::Graphics, "Cannot get SwapChain Parent! Error Code: " HRESULT_FMT, result);
@@ -325,15 +322,15 @@ namespace Juliet::D3D12
             else
             {
                 // Disable DXGI window crap
-                result = IDXGIFactory1_MakeWindowAssociation(parentFactory, windowHandle, DXGI_MWA_NO_WINDOW_CHANGES);
+                result = parentFactory->MakeWindowAssociation(windowHandle, DXGI_MWA_NO_WINDOW_CHANGES);
                 if (FAILED(result))
                 {
                     Log(LogLevel::Warning, LogCategory::Graphics, "MakeWindowAssociation failed! Error Code: " HRESULT_FMT, result);
                 }
-                IDXGIFactory1_Release(parentFactory);
+                parentFactory->Release();
             }
 
-            IDXGISwapChain3_GetDesc1(swapChain3, &swapChainDesc);
+            swapChain3->GetDesc1(&swapChainDesc);
             if (FAILED(result))
             {
                 LogError(driver->D3D12Device, "Failed to retrieve SwapChain descriptor", result);
@@ -351,7 +348,7 @@ namespace Juliet::D3D12
             {
                 if (!CreateSwapChainTexture(driver, swapChain3, composition, &windowData->SwapChainTextureContainers[idx], idx))
                 {
-                    IDXGISwapChain3_Release(swapChain3);
+                    swapChain3->Release();
                     return false;
                 }
             }
@@ -372,7 +369,7 @@ namespace Juliet::D3D12
                 Free(windowData->SwapChainTextureContainers[idx].Textures);
             }
 
-            IDXGISwapChain_Release(windowData->SwapChain);
+            windowData->SwapChain->Release();
             windowData->SwapChain = nullptr;
         }
     } // namespace Internal

Juliet/src/Graphics/D3D12/D3D12Synchronization.cpp

@@ -35,12 +35,12 @@ namespace Juliet::D3D12
         if (d3d12driver->GraphicsQueue)
         {
             // Insert a signal into the end of the command queue...
-            ID3D12CommandQueue_Signal(d3d12driver->GraphicsQueue, fence->Handle, D3D12_FENCE_SIGNAL_VALUE);
+            d3d12driver->GraphicsQueue->Signal(fence->Handle, D3D12_FENCE_SIGNAL_VALUE);
 
             // ...and then block on it.
-            if (ID3D12Fence_GetCompletedValue(fence->Handle) != D3D12_FENCE_SIGNAL_VALUE)
+            if (fence->Handle->GetCompletedValue() != D3D12_FENCE_SIGNAL_VALUE)
             {
-                HRESULT result = ID3D12Fence_SetEventOnCompletion(fence->Handle, D3D12_FENCE_SIGNAL_VALUE, fence->Event);
+                HRESULT result = fence->Handle->SetEventOnCompletion(D3D12_FENCE_SIGNAL_VALUE, fence->Event);
                 if (FAILED(result))
                 {
                     LogError(d3d12driver->D3D12Device, "Setting fence event failed!", result);
@@ -82,7 +82,7 @@ namespace Juliet::D3D12
         {
             auto fence = reinterpret_cast<D3D12Fence*>(fences[i]);
 
-            HRESULT res = ID3D12Fence_SetEventOnCompletion(fence->Handle, D3D12_FENCE_SIGNAL_VALUE, fence->Event);
+            HRESULT res = fence->Handle->SetEventOnCompletion(D3D12_FENCE_SIGNAL_VALUE, fence->Event);
             if (FAILED(res))
             {
                 LogError(d3d12driver->D3D12Device, "Setting fence event failed!", res);
@@ -104,7 +104,7 @@ namespace Juliet::D3D12
         // Clean up
         for (int32 idx = d3d12driver->SubmittedCommandListCount - 1; idx >= 0; --idx -= 1)
         {
-            uint64 fenceValue = ID3D12Fence_GetCompletedValue(d3d12driver->SubmittedCommandLists[idx]->InFlightFence->Handle);
+            uint64 fenceValue = d3d12driver->SubmittedCommandLists[idx]->InFlightFence->Handle->GetCompletedValue();
             if (fenceValue == D3D12_FENCE_SIGNAL_VALUE)
             {
                 result &= Internal::CleanCommandList(d3d12driver, d3d12driver->SubmittedCommandLists[idx], false);
@@ -166,7 +166,7 @@ namespace Juliet::D3D12
 
             if (numBarriers > 0)
             {
-                ID3D12GraphicsCommandList_ResourceBarrier(commandList->GraphicsCommandList.CommandList, numBarriers, barrierDesc);
+                commandList->GraphicsCommandList.CommandList->ResourceBarrier(numBarriers, barrierDesc);
             }
         }
 
@@ -179,7 +179,7 @@ namespace Juliet::D3D12
 
             if (driver->AvailableFenceCount == 0)
             {
-                HRESULT result = ID3D12Device_CreateFence(driver->D3D12Device, D3D12_FENCE_UNSIGNALED_VALUE, D3D12_FENCE_FLAG_NONE,
+                HRESULT result = driver->D3D12Device->CreateFence(D3D12_FENCE_UNSIGNALED_VALUE, D3D12_FENCE_FLAG_NONE,
                                                           IID_ID3D12Fence, reinterpret_cast<void**>(&handle));
                 if (FAILED(result))
                 {
@@ -190,7 +190,7 @@ namespace Juliet::D3D12
                 fence = static_cast<D3D12Fence*>(Calloc(1, sizeof(D3D12Fence)));
                 if (!fence)
                 {
-                    ID3D12Fence_Release(handle);
+                    handle->Release();
 
                     return nullptr;
                 }
@@ -202,7 +202,7 @@ namespace Juliet::D3D12
             {
                 fence = driver->AvailableFences[driver->AvailableFenceCount - 1];
                 driver->AvailableFenceCount -= 1;
-                ID3D12Fence_Signal(fence->Handle, D3D12_FENCE_UNSIGNALED_VALUE);
+                fence->Handle->Signal(D3D12_FENCE_UNSIGNALED_VALUE);
             }
 
             fence->ReferenceCount += 1;
@@ -213,7 +213,7 @@ namespace Juliet::D3D12
         {
             if (fence->Handle)
             {
-                ID3D12Fence_Release(fence->Handle);
+                fence->Handle->Release();
             }
 
             if (fence->Event)

Juliet/src/Graphics/D3D12/D3D12Texture.cpp

@@ -426,7 +426,7 @@ namespace Juliet::D3D12
             pClearValue         = &clearValue;
         }
 
-        HRESULT hr = ID3D12Device_CreateCommittedResource(d3d12Driver->D3D12Device, &heapProps, D3D12_HEAP_FLAG_NONE, &desc,
+        HRESULT hr = d3d12Driver->D3D12Device->CreateCommittedResource(&heapProps, D3D12_HEAP_FLAG_NONE, &desc,
                                                           D3D12_RESOURCE_STATE_COMMON, pClearValue, IID_ID3D12Resource,
                                                           reinterpret_cast<void**>(&resource));
 
@@ -477,7 +477,7 @@ namespace Juliet::D3D12
                     rtvDesc.Format                        = desc.Format;
                     rtvDesc.ViewDimension                 = D3D12_RTV_DIMENSION_TEXTURE2D;
                     rtvDesc.Texture2D.MipSlice            = mip;
-                    ID3D12Device_CreateRenderTargetView(d3d12Driver->D3D12Device, resource, &rtvDesc, sub.RTVHandles[0].CpuHandle);
+                    d3d12Driver->D3D12Device->CreateRenderTargetView(resource, &rtvDesc, sub.RTVHandles[0].CpuHandle);
                 }
 
                 if ((createInfo.Flags & TextureUsageFlag::DepthStencilTarget) != TextureUsageFlag::None)
@@ -488,12 +488,48 @@ namespace Juliet::D3D12
                     dsvDesc.Format                        = Internal::ConvertToD3D12DepthFormat(createInfo.Format);
                     dsvDesc.ViewDimension                 = D3D12_DSV_DIMENSION_TEXTURE2D;
                     dsvDesc.Texture2D.MipSlice            = mip;
-                    ID3D12Device_CreateDepthStencilView(d3d12Driver->D3D12Device, resource, &dsvDesc, sub.DSVHandle.CpuHandle);
+                    d3d12Driver->D3D12Device->CreateDepthStencilView(resource, &dsvDesc, sub.DSVHandle.CpuHandle);
                 }
             }
         }
 
+        // Create SRV for sampled/readable textures (bindless access)
+        // Assign to the bindless CBV_SRV_UAV heap
+        {
+            Internal::D3D12Descriptor descriptor;
+            if (Internal::AssignDescriptor(d3d12Driver->BindlessDescriptorHeap, descriptor))
+            {
+                texture->SRVHandle = D3D12StagingDescriptor{};
+                texture->SRVHandle.CpuHandleIndex = descriptor.Index;
+                texture->SRVHandle.CpuHandle = descriptor.CpuHandle;
+                texture->SRVHandle.Heap = descriptor.Heap;
+
+                D3D12_SHADER_RESOURCE_VIEW_DESC srvDesc = {};
+                srvDesc.Format = desc.Format;
+                
+                // Fix SRV format for Depth Buffers (TypeLess -> Typed)
+                if (createInfo.Format == TextureFormat::D32_FLOAT)
+                    srvDesc.Format = DXGI_FORMAT_R32_FLOAT;
+                else if (createInfo.Format == TextureFormat::D16_UNORM)
+                    srvDesc.Format = DXGI_FORMAT_R16_UNORM;
+                else if (createInfo.Format == TextureFormat::D24_UNORM_S8_UINT)
+                    srvDesc.Format = DXGI_FORMAT_R24_UNORM_X8_TYPELESS;
+                else if (createInfo.Format == TextureFormat::D32_FLOAT_S8_UINT)
+                    srvDesc.Format = DXGI_FORMAT_R32_FLOAT_X8X24_TYPELESS;
+
+                srvDesc.Shader4ComponentMapping = D3D12_DEFAULT_SHADER_4_COMPONENT_MAPPING;
+                srvDesc.ViewDimension = D3D12_SRV_DIMENSION_TEXTURE2D;
+                srvDesc.Texture2D.MostDetailedMip = 0;
+                srvDesc.Texture2D.MipLevels = numMips;
+                srvDesc.Texture2D.PlaneSlice = 0;
+                srvDesc.Texture2D.ResourceMinLODClamp = 0.0f;
+
+                d3d12Driver->D3D12Device->CreateShaderResourceView(resource, &srvDesc, descriptor.CpuHandle);
+            }
+        }
+
         return reinterpret_cast<Texture*>(textureContainer);
+
     }
 
     void DestroyTexture(NonNullPtr<GPUDriver> driver, NonNullPtr<Texture> texture)
@@ -517,7 +553,7 @@ namespace Juliet::D3D12
                     Internal::ReleaseStagingDescriptor(d3d12Driver, sub.DSVHandle);
                 }
             }
-            ID3D12Resource_Release(d3d12Texture->Resource);
+            d3d12Texture->Resource->Release();
             Free(d3d12Texture->Subresources);
             Free(d3d12Texture);
         }

Juliet/src/Graphics/D3D12/D3D12Utils.cpp

@@ -18,7 +18,7 @@ namespace Juliet::D3D12
 
         if (result == DXGI_ERROR_DEVICE_REMOVED)
         {
-            result = ID3D12Device_GetDeviceRemovedReason(D3D12Device);
+            result = D3D12Device->GetDeviceRemovedReason();
         }
 
         // Try to get the message from the system errors.

Juliet/src/Graphics/DebugDisplayRenderer.cpp

@@ -9,7 +9,7 @@ namespace Juliet
 {
     namespace
     {
-        constexpr uint32 kMaxDebugVertices = 65536;
+        constexpr uint32 kMaxDebugVertices = 16384; // 16K vertices = ~450KB per buffer
 
         struct DebugVertex
         {
@@ -25,18 +25,14 @@ namespace Juliet
             GraphicsPipeline* DepthTestedPipeline;
             GraphicsPipeline* OverlayPipeline;
 
-            // Vertex data
-            DebugVertex* DepthTestedVertices;
+            // Vertex data (CPU side - single array with two regions)
+            DebugVertex* Vertices; // Single allocation for all vertices
             uint32       DepthTestedVertexCount;
-
-            DebugVertex* OverlayVertices;
             uint32       OverlayVertexCount;
 
-            // GPU buffers
-            GraphicsBuffer*         DepthTestedBuffer;
-            GraphicsBuffer*         OverlayBuffer;
-            GraphicsTransferBuffer* DepthTestedTransfer;
-            GraphicsTransferBuffer* OverlayTransfer;
+            // GPU buffers (consolidated - single buffer pair)
+            GraphicsBuffer*         VertexBuffer;
+            GraphicsTransferBuffer* TransferBuffer;
 
             bool Initialized;
         };
@@ -126,14 +122,14 @@ namespace Juliet
 
             createInfo.TargetInfo.ColorTargetDescriptions = &colorDesc;
             createInfo.TargetInfo.NumColorTargets         = 1;
-            
+
             // Now that we support depth-stencil targets in the backend, we can enable them.
-            createInfo.TargetInfo.HasDepthStencilTarget   = true;
-            createInfo.TargetInfo.DepthStencilFormat      = TextureFormat::D32_FLOAT;
+            createInfo.TargetInfo.HasDepthStencilTarget = true;
+            createInfo.TargetInfo.DepthStencilFormat    = TextureFormat::D32_FLOAT;
 
             if (enableDepthTest)
             {
-                createInfo.DepthStencilState.EnableDepthTest  = true; 
+                createInfo.DepthStencilState.EnableDepthTest  = true;
                 createInfo.DepthStencilState.EnableDepthWrite = true;
                 createInfo.DepthStencilState.CompareOperation = CompareOperation::Less;
             }
@@ -163,26 +159,23 @@ namespace Juliet
 
         g_DebugState.Device = device;
 
-        // Allocate CPU vertex arrays
-        g_DebugState.DepthTestedVertices = static_cast<DebugVertex*>(Malloc(kMaxDebugVertices * sizeof(DebugVertex)));
-        g_DebugState.OverlayVertices     = static_cast<DebugVertex*>(Malloc(kMaxDebugVertices * sizeof(DebugVertex)));
+        // Allocate single CPU vertex array (depth-tested in first half, overlay in second half)
+        g_DebugState.Vertices = static_cast<DebugVertex*>(Malloc(kMaxDebugVertices * sizeof(DebugVertex)));
         g_DebugState.DepthTestedVertexCount = 0;
         g_DebugState.OverlayVertexCount     = 0;
 
-        // Create GPU buffers
+        // Create single GPU buffer pair (consolidated)
         BufferCreateInfo bufferCI = {};
         bufferCI.Size             = kMaxDebugVertices * sizeof(DebugVertex);
         bufferCI.Usage            = BufferUsage::StructuredBuffer;
 
-        g_DebugState.DepthTestedBuffer = CreateGraphicsBuffer(device, bufferCI);
-        g_DebugState.OverlayBuffer     = CreateGraphicsBuffer(device, bufferCI);
+        g_DebugState.VertexBuffer = CreateGraphicsBuffer(device, bufferCI);
 
         TransferBufferCreateInfo transferCI = {};
         transferCI.Size                     = kMaxDebugVertices * sizeof(DebugVertex);
         transferCI.Usage                    = TransferBufferUsage::Upload;
 
-        g_DebugState.DepthTestedTransfer = CreateGraphicsTransferBuffer(device, transferCI);
-        g_DebugState.OverlayTransfer     = CreateGraphicsTransferBuffer(device, transferCI);
+        g_DebugState.TransferBuffer = CreateGraphicsTransferBuffer(device, transferCI);
 
         g_DebugState.Initialized = true;
     }
@@ -203,38 +196,33 @@ namespace Juliet
             DestroyGraphicsPipeline(device, g_DebugState.OverlayPipeline);
         }
 
-        if (g_DebugState.DepthTestedBuffer)
+        if (g_DebugState.VertexBuffer)
         {
-            DestroyGraphicsBuffer(device, g_DebugState.DepthTestedBuffer);
+            DestroyGraphicsBuffer(device, g_DebugState.VertexBuffer);
         }
-        if (g_DebugState.OverlayBuffer)
+        if (g_DebugState.TransferBuffer)
         {
-            DestroyGraphicsBuffer(device, g_DebugState.OverlayBuffer);
-        }
-        if (g_DebugState.DepthTestedTransfer)
-        {
-            DestroyGraphicsTransferBuffer(device, g_DebugState.DepthTestedTransfer);
-        }
-        if (g_DebugState.OverlayTransfer)
-        {
-            DestroyGraphicsTransferBuffer(device, g_DebugState.OverlayTransfer);
+            DestroyGraphicsTransferBuffer(device, g_DebugState.TransferBuffer);
         }
 
-        SafeFree(g_DebugState.DepthTestedVertices);
-        SafeFree(g_DebugState.OverlayVertices);
+        SafeFree(g_DebugState.Vertices);
 
         g_DebugState = {};
     }
 
     void DebugDisplay_DrawLine(const Vector3& start, const Vector3& end, const FColor& color, bool overlay)
     {
+        // Depth-tested vertices at beginning, overlay vertices at end (growing backward)
         if (overlay)
         {
-            AddLine(g_DebugState.OverlayVertices, g_DebugState.OverlayVertexCount, start, end, color);
+            // Overlay vertices grow from end of buffer backward
+            uint32 halfMax = kMaxDebugVertices / 2;
+            AddLine(g_DebugState.Vertices + halfMax, g_DebugState.OverlayVertexCount, start, end, color);
         }
         else
         {
-            AddLine(g_DebugState.DepthTestedVertices, g_DebugState.DepthTestedVertexCount, start, end, color);
+            // Depth-tested vertices grow from start of buffer forward
+            AddLine(g_DebugState.Vertices, g_DebugState.DepthTestedVertexCount, start, end, color);
         }
     }
 
@@ -242,11 +230,12 @@ namespace Juliet
     {
         if (overlay)
         {
-            AddSphereWireframe(g_DebugState.OverlayVertices, g_DebugState.OverlayVertexCount, center, radius, color);
+            uint32 halfMax = kMaxDebugVertices / 2;
+            AddSphereWireframe(g_DebugState.Vertices + halfMax, g_DebugState.OverlayVertexCount, center, radius, color);
         }
         else
         {
-            AddSphereWireframe(g_DebugState.DepthTestedVertices, g_DebugState.DepthTestedVertexCount, center, radius, color);
+            AddSphereWireframe(g_DebugState.Vertices, g_DebugState.DepthTestedVertexCount, center, radius, color);
         }
     }
 
@@ -257,42 +246,40 @@ namespace Juliet
             return;
         }
 
-        // Render depth-tested primitives
-        if (g_DebugState.DepthTestedVertexCount > 0 && g_DebugState.DepthTestedBuffer)
+        uint32 totalVertices = g_DebugState.DepthTestedVertexCount + g_DebugState.OverlayVertexCount;
+        if (totalVertices == 0 || !g_DebugState.VertexBuffer)
         {
-            // Upload vertex data
-            void* ptr = MapGraphicsTransferBuffer(g_DebugState.Device, g_DebugState.DepthTestedTransfer);
-            if (ptr)
-            {
-                MemCopy(ptr, g_DebugState.DepthTestedVertices, g_DebugState.DepthTestedVertexCount * sizeof(DebugVertex));
-                UnmapGraphicsTransferBuffer(g_DebugState.Device, g_DebugState.DepthTestedTransfer);
-
-                CopyBuffer(cmdList, g_DebugState.DepthTestedBuffer, g_DebugState.DepthTestedTransfer,
-                           g_DebugState.DepthTestedVertexCount * sizeof(DebugVertex));
-                TransitionBufferToReadable(cmdList, g_DebugState.DepthTestedBuffer);
-            }
+            return;
         }
 
-        // Render overlay primitives
-        if (g_DebugState.OverlayVertexCount > 0 && g_DebugState.OverlayBuffer)
+        // Upload all vertex data in one copy (depth-tested at start, overlay at kMaxDebugVertices/2)
+        void* ptr = MapGraphicsTransferBuffer(g_DebugState.Device, g_DebugState.TransferBuffer);
+        if (ptr)
         {
-            // Upload vertex data
-            void* ptr = MapGraphicsTransferBuffer(g_DebugState.Device, g_DebugState.OverlayTransfer);
-            if (ptr)
+            // Copy depth-tested vertices (at start)
+            if (g_DebugState.DepthTestedVertexCount > 0)
             {
-                MemCopy(ptr, g_DebugState.OverlayVertices, g_DebugState.OverlayVertexCount * sizeof(DebugVertex));
-                UnmapGraphicsTransferBuffer(g_DebugState.Device, g_DebugState.OverlayTransfer);
-
-                CopyBuffer(cmdList, g_DebugState.OverlayBuffer, g_DebugState.OverlayTransfer,
-                           g_DebugState.OverlayVertexCount * sizeof(DebugVertex));
-                TransitionBufferToReadable(cmdList, g_DebugState.OverlayBuffer);
+                MemCopy(ptr, g_DebugState.Vertices, g_DebugState.DepthTestedVertexCount * sizeof(DebugVertex));
             }
+            // Copy overlay vertices (at kMaxDebugVertices/2 offset)
+            if (g_DebugState.OverlayVertexCount > 0)
+            {
+                uint32 halfMax     = kMaxDebugVertices / 2;
+                auto*  overlayDest = static_cast<uint8*>(ptr) + halfMax * sizeof(DebugVertex);
+                auto*  overlaySrc  = g_DebugState.Vertices + halfMax;
+                MemCopy(overlayDest, overlaySrc, g_DebugState.OverlayVertexCount * sizeof(DebugVertex));
+            }
+            UnmapGraphicsTransferBuffer(g_DebugState.Device, g_DebugState.TransferBuffer);
+
+            // Single buffer copy (full buffer to ensure both regions are uploaded)
+            size_t copySize = kMaxDebugVertices * sizeof(DebugVertex);
+            CopyBuffer(cmdList, g_DebugState.VertexBuffer, g_DebugState.TransferBuffer, copySize);
+            TransitionBufferToReadable(cmdList, g_DebugState.VertexBuffer);
         }
     }
 
     void DebugDisplay_Flush(CommandList* cmdList, RenderPass* renderPass, const Camera& camera)
     {
-
         if (!g_DebugState.Initialized)
         {
             return;
@@ -303,42 +290,50 @@ namespace Juliet
         {
             // Use B8G8R8A8_UNORM which matches the SDR swapchain
             g_DebugState.DepthTestedPipeline = CreateDebugPipeline(g_DebugState.Device, TextureFormat::B8G8R8A8_UNORM, true);
-            g_DebugState.OverlayPipeline     = CreateDebugPipeline(g_DebugState.Device, TextureFormat::B8G8R8A8_UNORM, false);
+            g_DebugState.OverlayPipeline = CreateDebugPipeline(g_DebugState.Device, TextureFormat::B8G8R8A8_UNORM, false);
         }
 
-        // Render depth-tested primitives
-        if (g_DebugState.DepthTestedVertexCount > 0 && g_DebugState.DepthTestedPipeline && g_DebugState.DepthTestedBuffer)
+        uint32 bufferIndex = GetDescriptorIndex(g_DebugState.Device, g_DebugState.VertexBuffer);
+
+        // Render depth-tested primitives (vertices at offset 0 in buffer)
+        if (g_DebugState.DepthTestedVertexCount > 0 && g_DebugState.DepthTestedPipeline && g_DebugState.VertexBuffer)
         {
             BindGraphicsPipeline(renderPass, g_DebugState.DepthTestedPipeline);
-            
+
             // Pack VP matrix + buffer index into push constants
-            struct {
+            struct
+            {
                 Matrix vp;
                 uint32 bufferIndex;
-                uint32 padding[3];
+                uint32 vertexOffset; // Offset in vertices (not bytes)
+                uint32 padding[2];
             } pushData;
-            pushData.vp = Camera_GetViewProjectionMatrix(camera);
-            pushData.bufferIndex = GetDescriptorIndex(g_DebugState.Device, g_DebugState.DepthTestedBuffer);
+            pushData.vp           = Camera_GetViewProjectionMatrix(camera);
+            pushData.bufferIndex  = bufferIndex;
+            pushData.vertexOffset = 0; // Depth-tested vertices start at 0
             SetPushConstants(cmdList, ShaderStage::Vertex, 0, sizeof(pushData) / sizeof(uint32), &pushData);
-            
+
             DrawPrimitives(renderPass, g_DebugState.DepthTestedVertexCount, 1, 0, 0);
         }
 
-        // Render overlay primitives
-        if (g_DebugState.OverlayVertexCount > 0 && g_DebugState.OverlayPipeline && g_DebugState.OverlayBuffer)
+        // Render overlay primitives (vertices at offset kMaxDebugVertices/2 in buffer)
+        if (g_DebugState.OverlayVertexCount > 0 && g_DebugState.OverlayPipeline && g_DebugState.VertexBuffer)
         {
             BindGraphicsPipeline(renderPass, g_DebugState.OverlayPipeline);
-            
+
             // Pack VP matrix + buffer index into push constants
-            struct {
+            struct
+            {
                 Matrix vp;
                 uint32 bufferIndex;
-                uint32 padding[3];
+                uint32 vertexOffset; // Offset in vertices (not bytes)
+                uint32 padding[2];
             } pushData;
-            pushData.vp = Camera_GetViewProjectionMatrix(camera);
-            pushData.bufferIndex = GetDescriptorIndex(g_DebugState.Device, g_DebugState.OverlayBuffer);
+            pushData.vp           = Camera_GetViewProjectionMatrix(camera);
+            pushData.bufferIndex  = bufferIndex;
+            pushData.vertexOffset = kMaxDebugVertices / 2; // Overlay vertices start at half
             SetPushConstants(cmdList, ShaderStage::Vertex, 0, sizeof(pushData) / sizeof(uint32), &pushData);
-            
+
             DrawPrimitives(renderPass, g_DebugState.OverlayVertexCount, 1, 0, 0);
         }
 

Juliet/src/Graphics/Graphics.cpp

@@ -4,6 +4,8 @@
 #include <Core/Logging/LogTypes.h>
 #include <Graphics/Graphics.h>
 #include <Graphics/GraphicsDevice.h>
+#include <Core/ImGui/ImGuiTests.h>
+
 
 namespace Juliet
 {
@@ -57,9 +59,11 @@ namespace Juliet
         {
             if (GraphicsDevice* newDevice = chosenFactory->CreateGraphicsDevice(config.EnableDebug))
             {
+
                 newDevice->Name = chosenFactory->Name;
                 return newDevice;
             }
+
         }
         return nullptr;
     }
@@ -259,6 +263,16 @@ namespace Juliet
         commandListHeader->Device->SetStencilReference(commandList, reference);
     }
 
+    void SetIndexBuffer(NonNullPtr<CommandList> commandList, NonNullPtr<GraphicsBuffer> buffer, IndexFormat format)
+    {
+        auto* commandListHeader = reinterpret_cast<CommandListHeader*>(commandList.Get());
+        
+        if (commandListHeader->Device->SetIndexBuffer)
+        {
+            commandListHeader->Device->SetIndexBuffer(commandList, buffer, format);
+        }
+    }
+
     void BindGraphicsPipeline(NonNullPtr<RenderPass> renderPass, NonNullPtr<GraphicsPipeline> graphicsPipeline)
     {
         auto* commandList       = reinterpret_cast<GPUPass*>(renderPass.Get())->CommandList;
@@ -275,6 +289,21 @@ namespace Juliet
         commandListHeader->Device->DrawPrimitives(commandList, numVertices, numInstances, firstVertex, firstInstance);
     }
 
+    void DrawIndexedPrimitives(NonNullPtr<RenderPass> renderPass, uint32 numIndices, uint32 numInstances,
+                               uint32 firstIndex, uint32 vertexOffset, uint32 firstInstance)
+    {
+        auto* commandList       = reinterpret_cast<GPUPass*>(renderPass.Get())->CommandList;
+        auto* commandListHeader = reinterpret_cast<CommandListHeader*>(commandList);
+
+        if (commandListHeader->Device->DrawIndexedPrimitives)
+        {
+            commandListHeader->Device->DrawIndexedPrimitives(commandList, numIndices, numInstances, firstIndex, vertexOffset, firstInstance);
+        }
+    }
+
+
+
+
     void SetPushConstants(NonNullPtr<CommandList> commandList, ShaderStage stage, uint32 rootParameterIndex,
                           uint32 numConstants, const void* constants)
     {
@@ -366,10 +395,21 @@ namespace Juliet
     void CopyBuffer(NonNullPtr<CommandList> commandList, NonNullPtr<GraphicsBuffer> dst,
                     NonNullPtr<GraphicsTransferBuffer> src, size_t size, size_t dstOffset, size_t srcOffset)
     {
-        auto* header = reinterpret_cast<CommandListHeader*>(commandList.Get());
-        header->Device->CopyBuffer(commandList, dst, src, size, dstOffset, srcOffset);
+        auto* headers = reinterpret_cast<CommandListHeader*>(commandList.Get());
+        headers->Device->CopyBuffer(commandList, dst, src, size, dstOffset, srcOffset);
     }
 
+    void CopyBufferToTexture(NonNullPtr<CommandList> commandList, NonNullPtr<Texture> dst,
+                             NonNullPtr<GraphicsTransferBuffer> src)
+    {
+        auto* headers = reinterpret_cast<CommandListHeader*>(commandList.Get());
+        if (headers->Device->CopyBufferToTexture)
+        {
+            headers->Device->CopyBufferToTexture(commandList, dst, src);
+        }
+    }
+
+
     void TransitionBufferToReadable(NonNullPtr<CommandList> commandList, NonNullPtr<GraphicsBuffer> buffer)
     {
         auto* header = reinterpret_cast<CommandListHeader*>(commandList.Get());
@@ -378,9 +418,15 @@ namespace Juliet
 
     uint32 GetDescriptorIndex(NonNullPtr<GraphicsDevice> device, NonNullPtr<GraphicsBuffer> buffer)
     {
-        return device->GetDescriptorIndex(device->Driver, buffer);
+        return device->GetDescriptorIndex(device, buffer);
     }
 
+    uint32 GetDescriptorIndex(NonNullPtr<GraphicsDevice> device, NonNullPtr<Texture> texture)
+    {
+        return device->GetDescriptorIndexTexture(device, texture);
+    }
+
+
     void DestroyGraphicsBuffer(NonNullPtr<GraphicsDevice> device, NonNullPtr<GraphicsBuffer> buffer)
     {
         device->DestroyGraphicsBuffer(buffer);

Juliet/src/Graphics/GraphicsDevice.h

@@ -66,10 +66,16 @@ namespace Juliet
         void (*SetScissorRect)(NonNullPtr<CommandList> commandList, const Rectangle& viewPort);
         void (*SetBlendConstants)(NonNullPtr<CommandList> commandList, FColor blendConstants);
         void (*SetStencilReference)(NonNullPtr<CommandList> commandList, uint8 reference);
+        void (*SetIndexBuffer)(NonNullPtr<CommandList> commandList, NonNullPtr<GraphicsBuffer> buffer, IndexFormat format);
 
         void (*BindGraphicsPipeline)(NonNullPtr<CommandList> commandList, NonNullPtr<GraphicsPipeline> graphicsPipeline);
         void (*DrawPrimitives)(NonNullPtr<CommandList> commandList, uint32 numVertices, uint32 numInstances,
                                uint32 firstVertex, uint32 firstInstance);
+        void (*DrawIndexedPrimitives)(NonNullPtr<CommandList> commandList, uint32 numIndices, uint32 numInstances,
+                                      uint32 firstIndex, uint32 vertexOffset, uint32 firstInstance);
+
+
+
 
         void (*SetPushConstants)(NonNullPtr<CommandList> commandList, ShaderStage stage, uint32 rootParameterIndex,
                                  uint32 numConstants, const void* constants);
@@ -102,10 +108,14 @@ namespace Juliet
 
         void* (*MapGraphicsTransferBuffer)(NonNullPtr<GPUDriver> driver, NonNullPtr<GraphicsTransferBuffer> buffer);
         void (*UnmapGraphicsTransferBuffer)(NonNullPtr<GPUDriver> driver, NonNullPtr<GraphicsTransferBuffer> buffer);
-        void (*CopyBuffer)(NonNullPtr<CommandList> commandList, NonNullPtr<GraphicsBuffer> dst,
-                           NonNullPtr<GraphicsTransferBuffer> src, size_t size, size_t dstOffset, size_t srcOffset);
+         void (*CopyBuffer)(NonNullPtr<CommandList> commandList, NonNullPtr<GraphicsBuffer> dst,
+                            NonNullPtr<GraphicsTransferBuffer> src, size_t size, size_t dstOffset, size_t srcOffset);
+         void (*CopyBufferToTexture)(NonNullPtr<CommandList> commandList, NonNullPtr<Texture> dst,
+                                     NonNullPtr<GraphicsTransferBuffer> src); // Assume full copy for now
+
         void (*TransitionBufferToReadable)(NonNullPtr<CommandList> commandList, NonNullPtr<GraphicsBuffer> buffer);
-        uint32 (*GetDescriptorIndex)(NonNullPtr<GPUDriver> driver, NonNullPtr<GraphicsBuffer> buffer);
+        uint32 (*GetDescriptorIndex)(NonNullPtr<GraphicsDevice> device, NonNullPtr<GraphicsBuffer> buffer);
+        uint32 (*GetDescriptorIndexTexture)(NonNullPtr<GraphicsDevice> device, NonNullPtr<Texture> texture);
 
         const char* Name   = "Unknown";
         GPUDriver*  Driver = nullptr;

Juliet/src/Graphics/ImGuiRenderer.cpp

@@ -0,0 +1,442 @@
+#include <Juliet.h>
+#ifdef JULIET_ENABLE_IMGUI
+
+#include <Graphics/ImGuiRenderer.h>
+
+#include <Core/Logging/LogManager.h>
+#include <Core/Logging/LogTypes.h>
+#include <Core/Memory/MemoryArena.h>
+#include <Graphics/GraphicsPipeline.h>
+
+#include <backends/imgui_impl_win32.h>
+#include <imgui.h>
+
+namespace Juliet
+{
+    namespace
+    {
+        constexpr uint32 kMaxFramesInFlight = 2;
+
+        struct FrameResources
+        {
+            GraphicsBuffer*         VertexBuffer     = nullptr;
+            GraphicsBuffer*         IndexBuffer      = nullptr;
+            GraphicsTransferBuffer* VertexUpload     = nullptr;
+            GraphicsTransferBuffer* IndexUpload      = nullptr;
+            uint32                  VertexBufferSize = 0; // In bytes
+            uint32                  IndexBufferSize  = 0; // In bytes
+        };
+
+        struct ImGuiRendererState
+        {
+            GraphicsDevice*   Device;
+            GraphicsPipeline* Pipeline;
+
+            // Resources
+            Texture* FontTexture;
+            Shader*  VertexShader;
+            Shader*  FragmentShader;
+
+            // Frame Data
+            FrameResources Frames[kMaxFramesInFlight];
+            uint32         FrameIndex;
+
+            bool Initialized;
+        };
+
+        ImGuiRendererState g_ImGuiState = {};
+
+        // Helper to resize buffers for a specific frame
+        void EnsureBufferSize(FrameResources& frame, uint32 requiredVertexBytes, uint32 requiredIndexBytes)
+        {
+            bool needVertexRealloc = requiredVertexBytes > frame.VertexBufferSize;
+            bool needIndexRealloc  = requiredIndexBytes > frame.IndexBufferSize;
+
+            // If any buffer needs reallocation, wait for GPU to finish using everybody to be safe.
+            // Ideally we only wait for this specific frame's fence, but we don't have that granularity easily exposed
+            // here. Resizing is rare, so global wait is acceptable.
+            if (needVertexRealloc || needIndexRealloc)
+            {
+                WaitUntilGPUIsIdle(g_ImGuiState.Device);
+            }
+
+            if (needVertexRealloc)
+            {
+                if (frame.VertexBuffer)
+                {
+                    DestroyGraphicsBuffer(g_ImGuiState.Device, frame.VertexBuffer);
+                }
+                if (frame.VertexUpload)
+                {
+                    DestroyGraphicsTransferBuffer(g_ImGuiState.Device, frame.VertexUpload);
+                }
+
+                frame.VertexBufferSize = requiredVertexBytes + 5000 * sizeof(ImDrawVert); // Growth factor
+
+                BufferCreateInfo vci = {};
+                vci.Size             = frame.VertexBufferSize;
+                vci.Usage            = BufferUsage::StructuredBuffer;
+                frame.VertexBuffer   = CreateGraphicsBuffer(g_ImGuiState.Device, vci);
+
+                TransferBufferCreateInfo tvci = {};
+                tvci.Size                     = frame.VertexBufferSize;
+                tvci.Usage                    = TransferBufferUsage::Upload;
+                frame.VertexUpload            = CreateGraphicsTransferBuffer(g_ImGuiState.Device, tvci);
+            }
+
+            if (needIndexRealloc)
+            {
+                if (frame.IndexBuffer)
+                {
+                    DestroyGraphicsBuffer(g_ImGuiState.Device, frame.IndexBuffer);
+                }
+                if (frame.IndexUpload)
+                {
+                    DestroyGraphicsTransferBuffer(g_ImGuiState.Device, frame.IndexUpload);
+                }
+
+                frame.IndexBufferSize = requiredIndexBytes + 10000 * sizeof(ImDrawIdx);
+
+                BufferCreateInfo ici = {};
+                ici.Size             = frame.IndexBufferSize;
+                ici.Usage            = BufferUsage::IndexBuffer;
+                frame.IndexBuffer    = CreateGraphicsBuffer(g_ImGuiState.Device, ici);
+
+                TransferBufferCreateInfo tici = {};
+                tici.Size                     = frame.IndexBufferSize;
+                tici.Usage                    = TransferBufferUsage::Upload;
+                frame.IndexUpload             = CreateGraphicsTransferBuffer(g_ImGuiState.Device, tici);
+            }
+        }
+
+    } // namespace
+
+    bool ImGuiRenderer_Initialize(GraphicsDevice* device)
+    {
+        printf("ImGuiRenderer_Initialize: device=%p, g_ImGuiState=%p, Initialized=%d\n", (void*)device,
+               (void*)&g_ImGuiState, g_ImGuiState.Initialized);
+        if (g_ImGuiState.Initialized)
+        {
+            return true;
+        }
+
+        g_ImGuiState.Device = device;
+
+        // Load Shaders
+        String           entryPoint = WrapString("main");
+        ShaderCreateInfo shaderCI   = {};
+        shaderCI.EntryPoint         = entryPoint;
+
+        String vertPath           = WrapString("../../Assets/compiled/ImGui.vert.dxil");
+        shaderCI.Stage            = ShaderStage::Vertex;
+        g_ImGuiState.VertexShader = CreateShader(device, vertPath, shaderCI);
+
+        String fragPath             = WrapString("../../Assets/compiled/ImGui.frag.dxil");
+        shaderCI.Stage              = ShaderStage::Fragment;
+        g_ImGuiState.FragmentShader = CreateShader(device, fragPath, shaderCI);
+
+        if (!g_ImGuiState.VertexShader || !g_ImGuiState.FragmentShader)
+        {
+            LogError(LogCategory::Graphics, "Failed to load ImGui shaders");
+            return false;
+        }
+
+        // Build Font Texture
+        ImGuiIO&       io = ImGui::GetIO();
+        unsigned char* pixels;
+        int            width, height;
+        io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height);
+
+        TextureCreateInfo texCI = {};
+        texCI.Type              = TextureType::Texture_2D;
+        texCI.Width             = (uint32)width;
+        texCI.Height            = (uint32)height;
+
+        texCI.Format        = TextureFormat::R8G8B8A8_UNORM;
+        texCI.Flags         = TextureUsageFlag::Sampler;
+        texCI.LayerCount    = 1;
+        texCI.MipLevelCount = 1;
+        texCI.SampleCount   = TextureSampleCount::One;
+
+        g_ImGuiState.FontTexture = CreateTexture(device, texCI);
+        io.Fonts->SetTexID((ImTextureID)g_ImGuiState.FontTexture);
+
+        // Upload data
+        uint32 rowPitch        = (uint32)width * 4u;
+        uint32 alignedRowPitch = (rowPitch + 255u) & ~255u;
+        uint32 textureSize     = alignedRowPitch * static_cast<uint32>(height);
+
+        TransferBufferCreateInfo tbci = {};
+        tbci.Size                     = textureSize;
+        tbci.Usage                    = TransferBufferUsage::Upload;
+        GraphicsTransferBuffer* tb    = CreateGraphicsTransferBuffer(device, tbci);
+        if (!tb)
+        {
+            Log(LogLevel::Error, LogCategory::Graphics, "ImGuiRenderer: Failed to create font upload buffer");
+            return false;
+        }
+
+        auto dst = (uint8*)MapGraphicsTransferBuffer(device, tb);
+
+        for (uint32 y = 0; y < static_cast<uint32>(height); ++y)
+        {
+            MemCopy(dst + y * alignedRowPitch, pixels + y * rowPitch, rowPitch);
+        }
+
+        UnmapGraphicsTransferBuffer(device, tb);
+
+        CommandList* cmd = AcquireCommandList(device);
+        CopyBufferToTexture(cmd, g_ImGuiState.FontTexture, tb);
+
+        SubmitCommandLists(cmd);
+
+        WaitUntilGPUIsIdle(device);
+
+        DestroyGraphicsTransferBuffer(device, tb);
+
+        // Init Frame Data
+        g_ImGuiState.FrameIndex = 0;
+        for (uint32 i = 0; i < kMaxFramesInFlight; ++i)
+        {
+            g_ImGuiState.Frames[i] = {};
+        }
+
+        g_ImGuiState.Initialized = true;
+        return true;
+    }
+
+    void ImGuiRenderer_Shutdown(GraphicsDevice* device)
+    {
+        if (!g_ImGuiState.Initialized)
+        {
+            return;
+        }
+
+        WaitUntilGPUIsIdle(device);
+
+        if (g_ImGuiState.Pipeline)
+        {
+            DestroyGraphicsPipeline(device, g_ImGuiState.Pipeline);
+        }
+        if (g_ImGuiState.VertexShader)
+        {
+            DestroyShader(device, g_ImGuiState.VertexShader);
+        }
+        if (g_ImGuiState.FragmentShader)
+
+        {
+
+            DestroyShader(device, g_ImGuiState.FragmentShader);
+        }
+        if (g_ImGuiState.FontTexture)
+        {
+            DestroyTexture(device, g_ImGuiState.FontTexture);
+        }
+
+        for (uint32 i = 0; i < kMaxFramesInFlight; ++i)
+        {
+            FrameResources& frame = g_ImGuiState.Frames[i];
+            if (frame.VertexBuffer)
+            {
+                DestroyGraphicsBuffer(device, frame.VertexBuffer);
+            }
+            if (frame.IndexBuffer)
+            {
+                DestroyGraphicsBuffer(device, frame.IndexBuffer);
+            }
+            if (frame.VertexUpload)
+            {
+                DestroyGraphicsTransferBuffer(device, frame.VertexUpload);
+            }
+            if (frame.IndexUpload)
+            {
+                DestroyGraphicsTransferBuffer(device, frame.IndexUpload);
+            }
+            frame = {};
+        }
+
+        g_ImGuiState = {};
+    }
+
+    void ImGuiRenderer_NewFrame()
+    {
+        ImGui_ImplWin32_NewFrame(); // Assumes Win32 initialized elsewhere
+        ImGui::NewFrame();
+    }
+
+    void ImGuiRenderer_Render(CommandList* cmdList, RenderPass* renderPass)
+    {
+        if (!g_ImGuiState.Initialized)
+        {
+            return;
+        }
+
+        ImGui::Render();
+        ImDrawData* drawData = ImGui::GetDrawData();
+
+        if (!drawData || drawData->CmdListsCount == 0)
+        {
+            return;
+        }
+
+        // Lazy create pipeline
+        if (!g_ImGuiState.Pipeline)
+        {
+            // Assume B8G8R8A8_UNORM for SwapChain
+            GraphicsPipelineCreateInfo pci = {};
+            pci.VertexShader               = g_ImGuiState.VertexShader;
+            pci.FragmentShader             = g_ImGuiState.FragmentShader;
+            pci.PrimitiveType              = PrimitiveType::TriangleList;
+            pci.RasterizerState.FillMode   = FillMode::Solid;
+            pci.RasterizerState.CullMode   = CullMode::None;
+
+            ColorTargetDescription colorDesc = {};
+            colorDesc.Format                 = TextureFormat::B8G8R8A8_UNORM; // Match SwapChain
+
+            // Blend State
+            colorDesc.BlendState.EnableBlend                 = true;
+            colorDesc.BlendState.SourceColorBlendFactor      = BlendFactor::Src_Alpha;
+            colorDesc.BlendState.DestinationColorBlendFactor = BlendFactor::One_Minus_Src_Alpha;
+            colorDesc.BlendState.ColorBlendOperation         = BlendOperation::Add;
+            colorDesc.BlendState.SourceAlphaBlendFactor      = BlendFactor::One;
+            colorDesc.BlendState.DestinationAlphaBlendFactor = BlendFactor::One_Minus_Src_Alpha;
+            colorDesc.BlendState.AlphaBlendOperation         = BlendOperation::Add;
+            colorDesc.BlendState.EnableColorWriteMask        = true;
+            colorDesc.BlendState.ColorWriteMask =
+                ColorComponentFlags::R | ColorComponentFlags::G | ColorComponentFlags::B | ColorComponentFlags::A;
+
+            pci.TargetInfo.ColorTargetDescriptions = &colorDesc;
+            pci.TargetInfo.NumColorTargets         = 1;
+
+            g_ImGuiState.Pipeline = CreateGraphicsPipeline(g_ImGuiState.Device, pci);
+        }
+
+        // Cycle Frame
+        g_ImGuiState.FrameIndex      = (g_ImGuiState.FrameIndex + 1) % kMaxFramesInFlight;
+        FrameResources& currentFrame = g_ImGuiState.Frames[g_ImGuiState.FrameIndex];
+
+        // Upload Buffers
+        uint32 totalVtx = (uint32)drawData->TotalVtxCount;
+        uint32 totalIdx = (uint32)drawData->TotalIdxCount;
+
+        EnsureBufferSize(currentFrame, totalVtx * sizeof(ImDrawVert), totalIdx * sizeof(ImDrawIdx));
+
+        auto vtxDst = (ImDrawVert*)MapGraphicsTransferBuffer(g_ImGuiState.Device, currentFrame.VertexUpload);
+        auto idxDst = (ImDrawIdx*)MapGraphicsTransferBuffer(g_ImGuiState.Device, currentFrame.IndexUpload);
+
+        for (int n = 0; n < drawData->CmdListsCount; n++)
+        {
+            const ImDrawList* cmd_list = drawData->CmdLists[n];
+            MemCopy(vtxDst, cmd_list->VtxBuffer.Data, static_cast<size_t>(cmd_list->VtxBuffer.Size) * sizeof(ImDrawVert));
+            MemCopy(idxDst, cmd_list->IdxBuffer.Data, static_cast<size_t>(cmd_list->IdxBuffer.Size) * sizeof(ImDrawIdx));
+            vtxDst += cmd_list->VtxBuffer.Size;
+            idxDst += cmd_list->IdxBuffer.Size;
+        }
+
+        UnmapGraphicsTransferBuffer(g_ImGuiState.Device, currentFrame.VertexUpload);
+        UnmapGraphicsTransferBuffer(g_ImGuiState.Device, currentFrame.IndexUpload);
+
+        // Copy both vertex and index buffers to GPU
+        CopyBuffer(cmdList, currentFrame.VertexBuffer, currentFrame.VertexUpload, totalVtx * sizeof(ImDrawVert));
+        CopyBuffer(cmdList, currentFrame.IndexBuffer, currentFrame.IndexUpload, totalIdx * sizeof(ImDrawIdx));
+
+        // Transition vertex buffer to SRV state (this barrier waits for copy to complete)
+        TransitionBufferToReadable(cmdList, currentFrame.VertexBuffer);
+
+        // SetIndexBuffer transitions from COPY_DEST to INDEX_BUFFER (barrier waits for copy to complete)
+        SetIndexBuffer(cmdList, currentFrame.IndexBuffer, IndexFormat::UInt16);
+
+        // Render
+        BindGraphicsPipeline(renderPass, g_ImGuiState.Pipeline);
+
+        // Setup Viewport / Scale
+        float L = drawData->DisplayPos.x;
+        float R = drawData->DisplayPos.x + drawData->DisplaySize.x;
+        float T = drawData->DisplayPos.y;
+        float B = drawData->DisplayPos.y + drawData->DisplaySize.y;
+
+        float scale[2];
+        scale[0] = 2.0f / (R - L);
+        scale[1] = -2.0f / (B - T);
+
+        float translate[2];
+        translate[0] = -1.0f - L * scale[0];
+        translate[1] = 1.0f - T * scale[1];
+
+        // Global State (Display Size, etc)
+
+        uint32 globalVtxOffset = 0;
+        uint32 globalIdxOffset = 0;
+
+        ImVec2 clip_off   = drawData->DisplayPos;
+        ImVec2 clip_scale = drawData->FramebufferScale;
+
+        for (int n = 0; n < drawData->CmdListsCount; n++)
+        {
+            const ImDrawList* cmd_list = drawData->CmdLists[n];
+            for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++)
+            {
+                const ImDrawCmd* pcmd = &cmd_list->CmdBuffer[cmd_i];
+                if (pcmd->UserCallback != nullptr)
+                {
+                    // pcmd->UserCallback(cmd_list, pcmd);
+                }
+                else
+                {
+                    // Project scissor/clipping rectangles into framebuffer space
+                    ImVec2 clip_min((pcmd->ClipRect.x - clip_off.x) * clip_scale.x,
+                                    (pcmd->ClipRect.y - clip_off.y) * clip_scale.y);
+                    ImVec2 clip_max((pcmd->ClipRect.z - clip_off.x) * clip_scale.x,
+                                    (pcmd->ClipRect.w - clip_off.y) * clip_scale.y);
+
+                    // Skip draw commands with zero-sized scissor rectangles
+                    if (clip_max.x <= clip_min.x || clip_max.y <= clip_min.y)
+                    {
+                        continue;
+                    }
+
+                    // Set scissor rect (clipping rectangle)
+                    Rectangle scissorRect = {};
+                    scissorRect.X         = static_cast<int32>(clip_min.x);
+                    scissorRect.Y         = static_cast<int32>(clip_min.y);
+                    scissorRect.Width     = static_cast<int32>(clip_max.x - clip_min.x);
+                    scissorRect.Height    = static_cast<int32>(clip_max.y - clip_min.y);
+                    SetScissorRect(renderPass, scissorRect);
+
+                    // Bind Texture
+                    uint32 textureIndex = GetDescriptorIndex(g_ImGuiState.Device, (Texture*)pcmd->GetTexID());
+
+                    // Push Constants
+                    // Layout: ViewProjection(64) + BufferIndex(4) + TextureIndex(4) + VertexOffset(4) + Padding(4) + Scale(8) + Translate(8)
+                    struct
+                    {
+                        float  dummyVP[16]; // Occupy VP slot
+                        uint32 bufferIndex;
+                        uint32 textureIndex;
+                        uint32 vertexOffset; // Base vertex for indexed bindless drawing
+                        uint32 padding;      // Alignment padding
+                        float  scale[2];
+                        float  translate[2];
+                    } pushData = {}; // Zero-initialize all fields
+
+                    pushData.bufferIndex  = GetDescriptorIndex(g_ImGuiState.Device, currentFrame.VertexBuffer);
+                    pushData.textureIndex = textureIndex;
+                    pushData.vertexOffset = pcmd->VtxOffset + globalVtxOffset; // Pass vertex offset for bindless
+                    pushData.scale[0]     = scale[0];
+                    pushData.scale[1]     = scale[1];
+                    pushData.translate[0] = translate[0];
+                    pushData.translate[1] = translate[1];
+
+                    SetPushConstants(cmdList, ShaderStage::Vertex, 0, sizeof(pushData) / 4, &pushData);
+
+                    // Draw - pass 0 for vertexOffset since shader handles it via push constants
+                    DrawIndexedPrimitives(renderPass, pcmd->ElemCount, 1, pcmd->IdxOffset + globalIdxOffset, 0, 0);
+                }
+            }
+            globalIdxOffset += static_cast<uint32>(cmd_list->IdxBuffer.Size);
+            globalVtxOffset += static_cast<uint32>(cmd_list->VtxBuffer.Size);
+        }
+    }
+} // namespace Juliet
+
+#endif // JULIET_ENABLE_IMGUI

JulietApp/JulietApp.bff

@@ -5,6 +5,8 @@
     .ProjectPath        = 'JulietApp'
     .JulietIncludePath  = ' "-IJuliet/include"'
                         + ' "-IJuliet/src"'
+                        + ' "-IExternal/imgui"'
+
     .ProjectDefPath     = '$_WORKING_DIR_$/$ProjectName$/$ProjectName$.def'
 
     // Library
@@ -34,7 +36,6 @@
             // Extra Compiler Options
             .CompilerOptions            + .JulietIncludePath
 
-
             #if __WINDOWS__
             .CompilerOptions            + ' -DJULIET_WIN32'
             #endif
@@ -58,9 +59,11 @@
             .Libraries                  = {
                                             'JulietApp-Lib-$Platform$-$BuildConfigName$',
                                             'Juliet-Lib-$Platform$-$BuildConfigName$',
-                                            'Game-Lib-$Platform$-$BuildConfigName$'
+                                            'Game-Lib-$Platform$-$BuildConfigName$',
+                                            'ImGui-Lib-$Platform$-$BuildConfigName$'
                                           }
 
+
             .LinkerOutput               = '$BinPath$/$Platform$-$BuildConfigName$/$ProjectName$$ExeExtension$'
 
             // TODO : Only use when using DLL and not static link

JulietApp/JulietApp.vcxproj

@@ -73,6 +73,30 @@
       <Configuration>x64Clang-Release</Configuration>
       <Platform>x64</Platform>
     </ProjectConfiguration>
+    <ProjectConfiguration Include="x64-Debug|x64">
+      <Configuration>x64-Debug</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="x64-Profile|x64">
+      <Configuration>x64-Profile</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="x64-Release|x64">
+      <Configuration>x64-Release</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="x64Clang-Debug|x64">
+      <Configuration>x64Clang-Debug</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="x64Clang-Profile|x64">
+      <Configuration>x64Clang-Profile</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="x64Clang-Release|x64">
+      <Configuration>x64Clang-Release</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
   </ItemGroup>
   <ItemGroup>
     <CustomBuild Include="JulietApp.bff" />
@@ -194,6 +218,42 @@
     <PlatformToolset>v143</PlatformToolset>
     <LocalDebuggerCommand>$(SolutionDir)\bin\$(Configuration)\$(ProjectName).exe</LocalDebuggerCommand>
   </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='x64-Debug|x64'" Label="Configuration">
+    <ConfigurationType>Makefile</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <PlatformToolset>v143</PlatformToolset>
+    <LocalDebuggerCommand>$(SolutionDir)\bin\$(Configuration)\$(ProjectName).exe</LocalDebuggerCommand>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='x64-Profile|x64'" Label="Configuration">
+    <ConfigurationType>Makefile</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <PlatformToolset>v143</PlatformToolset>
+    <LocalDebuggerCommand>$(SolutionDir)\bin\$(Configuration)\$(ProjectName).exe</LocalDebuggerCommand>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='x64-Release|x64'" Label="Configuration">
+    <ConfigurationType>Makefile</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <PlatformToolset>v143</PlatformToolset>
+    <LocalDebuggerCommand>$(SolutionDir)\bin\$(Configuration)\$(ProjectName).exe</LocalDebuggerCommand>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='x64Clang-Debug|x64'" Label="Configuration">
+    <ConfigurationType>Makefile</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <PlatformToolset>v143</PlatformToolset>
+    <LocalDebuggerCommand>$(SolutionDir)\bin\$(Configuration)\$(ProjectName).exe</LocalDebuggerCommand>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='x64Clang-Profile|x64'" Label="Configuration">
+    <ConfigurationType>Makefile</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <PlatformToolset>v143</PlatformToolset>
+    <LocalDebuggerCommand>$(SolutionDir)\bin\$(Configuration)\$(ProjectName).exe</LocalDebuggerCommand>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='x64Clang-Release|x64'" Label="Configuration">
+    <ConfigurationType>Makefile</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <PlatformToolset>v143</PlatformToolset>
+    <LocalDebuggerCommand>$(SolutionDir)\bin\$(Configuration)\$(ProjectName).exe</LocalDebuggerCommand>
+  </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
   </ImportGroup>
@@ -251,12 +311,90 @@
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     <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
   </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='x64-Debug|x64'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='x64-Profile|x64'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='x64-Release|x64'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='x64Clang-Debug|x64'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='x64Clang-Profile|x64'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='x64Clang-Release|x64'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='x64-Debug|x64'">
     <NMakeBuildCommandLine>cd $(SolutionDir) &amp; misc\fbuild -ide -dist -monitor -cache $(ProjectName)-$(Configuration)</NMakeBuildCommandLine>
     <NMakeReBuildCommandLine>cd $(SolutionDir) &amp; misc\fbuild -ide -dist -monitor -cache -clean $(ProjectName)-$(Configuration)</NMakeReBuildCommandLine>
-    <NMakePreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;_UNICODE;UNICODE;WIN32_LEAN_AND_MEAN;WIN32;_WIN32;__WINDOWS__;_HAS_EXCEPTIONS=0;WIN64;DEBUG;PROFILING_ENABLED;JULIET_EXPORT;JULIET_WIN32;</NMakePreprocessorDefinitions>
-    <NMakeIncludeSearchPath>..\;..\Juliet\include;..\Juliet\src;C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.44.35207\include\;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\ucrt;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\um;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\shared;</NMakeIncludeSearchPath>
+    <NMakePreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;_UNICODE;UNICODE;WIN32_LEAN_AND_MEAN;WIN32;_WIN32;__WINDOWS__;_HAS_EXCEPTIONS=0;WIN64;DEBUG;PROFILING_ENABLED;JULIET_ENABLE_IMGUI;IMGUI_API=__declspec(dllexport);</NMakePreprocessorDefinitions>
+    <NMakeIncludeSearchPath>..\;..\External\imgui;..\External\imgui\backends;C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.44.35207\include\;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\ucrt;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\um;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\shared;</NMakeIncludeSearchPath>
+    <AdditionalOptions>/std:c++20 /wd5267 /wd4061 /wd4505 /wd4514 /wd4577 /wd4625 /wd4710 /wd4711 /wd4746 /wd4820 /wd5045 /wd5220 /wd5245 /wd4365 /wd5219 </AdditionalOptions>
+    <LocalDebuggerWorkingDirectory>$(SolutionDir)\bin\$(Configuration)\</LocalDebuggerWorkingDirectory>
+    <IntDir>$(SolutionDir)\Intermediate</IntDir>
+    <OutDir>$(SolutionDir)\bin</OutDir>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='x64-Profile|x64'">
+    <NMakeBuildCommandLine>cd $(SolutionDir) &amp; misc\fbuild -ide -dist -monitor -cache $(ProjectName)-$(Configuration)</NMakeBuildCommandLine>
+    <NMakeReBuildCommandLine>cd $(SolutionDir) &amp; misc\fbuild -ide -dist -monitor -cache -clean $(ProjectName)-$(Configuration)</NMakeReBuildCommandLine>
+    <NMakePreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;_UNICODE;UNICODE;WIN32_LEAN_AND_MEAN;WIN32;_WIN32;__WINDOWS__;_HAS_EXCEPTIONS=0;WIN64;RELEASE;PROFILING_ENABLED;IMGUI_API=__declspec(dllexport);</NMakePreprocessorDefinitions>
+    <NMakeIncludeSearchPath>..\;..\External\imgui;..\External\imgui\backends;C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.44.35207\include\;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\ucrt;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\um;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\shared;</NMakeIncludeSearchPath>
+    <AdditionalOptions>/std:c++20 /wd5267 /wd4061 /wd4505 /wd4514 /wd4577 /wd4625 /wd4710 /wd4711 /wd4746 /wd4820 /wd5045 /wd5220 /wd5245 /wd4365 /wd5219 </AdditionalOptions>
+    <LocalDebuggerWorkingDirectory>$(SolutionDir)\bin\$(Configuration)\</LocalDebuggerWorkingDirectory>
+    <IntDir>$(SolutionDir)\Intermediate</IntDir>
+    <OutDir>$(SolutionDir)\bin</OutDir>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='x64-Release|x64'">
+    <NMakeBuildCommandLine>cd $(SolutionDir) &amp; misc\fbuild -ide -dist -monitor -cache $(ProjectName)-$(Configuration)</NMakeBuildCommandLine>
+    <NMakeReBuildCommandLine>cd $(SolutionDir) &amp; misc\fbuild -ide -dist -monitor -cache -clean $(ProjectName)-$(Configuration)</NMakeReBuildCommandLine>
+    <NMakePreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;_UNICODE;UNICODE;WIN32_LEAN_AND_MEAN;WIN32;_WIN32;__WINDOWS__;_HAS_EXCEPTIONS=0;WIN64;RELEASE;IMGUI_API=__declspec(dllexport);</NMakePreprocessorDefinitions>
+    <NMakeIncludeSearchPath>..\;..\External\imgui;..\External\imgui\backends;C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.44.35207\include\;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\ucrt;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\um;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\shared;</NMakeIncludeSearchPath>
+    <AdditionalOptions>/std:c++20 /wd5267 /wd4061 /wd4505 /wd4514 /wd4577 /wd4625 /wd4710 /wd4711 /wd4746 /wd4820 /wd5045 /wd5220 /wd5245 /wd4365 /wd5219 </AdditionalOptions>
+    <LocalDebuggerWorkingDirectory>$(SolutionDir)\bin\$(Configuration)\</LocalDebuggerWorkingDirectory>
+    <IntDir>$(SolutionDir)\Intermediate</IntDir>
+    <OutDir>$(SolutionDir)\bin</OutDir>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='x64Clang-Debug|x64'">
+    <NMakeBuildCommandLine>cd $(SolutionDir) &amp; misc\fbuild -ide -dist -monitor -cache $(ProjectName)-$(Configuration)</NMakeBuildCommandLine>
+    <NMakeReBuildCommandLine>cd $(SolutionDir) &amp; misc\fbuild -ide -dist -monitor -cache -clean $(ProjectName)-$(Configuration)</NMakeReBuildCommandLine>
+    <NMakePreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;_UNICODE;UNICODE;WIN32_LEAN_AND_MEAN;WIN32;_WIN32;__WINDOWS__;_HAS_EXCEPTIONS=0;WIN64;DEBUG;PROFILING_ENABLED;JULIET_ENABLE_IMGUI;IMGUI_API=__declspec(dllexport);</NMakePreprocessorDefinitions>
+    <NMakeIncludeSearchPath>..\;..\External\imgui;..\External\imgui\backends;C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.44.35207\include\;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\ucrt;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\um;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\shared;</NMakeIncludeSearchPath>
+    <AdditionalOptions>/std:c++20 /wd5267 /wd4061 /wd4505 /wd4514 /wd4577 /wd4625 /wd4710 /wd4711 /wd4746 /wd4820 /wd5045 /wd5220 /wd5245 /wd4365 /wd5219 </AdditionalOptions>
+    <LocalDebuggerWorkingDirectory>$(SolutionDir)\bin\$(Configuration)\</LocalDebuggerWorkingDirectory>
+    <IntDir>$(SolutionDir)\Intermediate</IntDir>
+    <OutDir>$(SolutionDir)\bin</OutDir>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='x64Clang-Profile|x64'">
+    <NMakeBuildCommandLine>cd $(SolutionDir) &amp; misc\fbuild -ide -dist -monitor -cache $(ProjectName)-$(Configuration)</NMakeBuildCommandLine>
+    <NMakeReBuildCommandLine>cd $(SolutionDir) &amp; misc\fbuild -ide -dist -monitor -cache -clean $(ProjectName)-$(Configuration)</NMakeReBuildCommandLine>
+    <NMakePreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;_UNICODE;UNICODE;WIN32_LEAN_AND_MEAN;WIN32;_WIN32;__WINDOWS__;_HAS_EXCEPTIONS=0;WIN64;RELEASE;PROFILING_ENABLED;IMGUI_API=__declspec(dllexport);</NMakePreprocessorDefinitions>
+    <NMakeIncludeSearchPath>..\;..\External\imgui;..\External\imgui\backends;C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.44.35207\include\;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\ucrt;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\um;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\shared;</NMakeIncludeSearchPath>
+    <AdditionalOptions>/std:c++20 /wd5267 /wd4061 /wd4505 /wd4514 /wd4577 /wd4625 /wd4710 /wd4711 /wd4746 /wd4820 /wd5045 /wd5220 /wd5245 /wd4365 /wd5219 </AdditionalOptions>
+    <LocalDebuggerWorkingDirectory>$(SolutionDir)\bin\$(Configuration)\</LocalDebuggerWorkingDirectory>
+    <IntDir>$(SolutionDir)\Intermediate</IntDir>
+    <OutDir>$(SolutionDir)\bin</OutDir>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='x64Clang-Release|x64'">
+    <NMakeBuildCommandLine>cd $(SolutionDir) &amp; misc\fbuild -ide -dist -monitor -cache $(ProjectName)-$(Configuration)</NMakeBuildCommandLine>
+    <NMakeReBuildCommandLine>cd $(SolutionDir) &amp; misc\fbuild -ide -dist -monitor -cache -clean $(ProjectName)-$(Configuration)</NMakeReBuildCommandLine>
+    <NMakePreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;_UNICODE;UNICODE;WIN32_LEAN_AND_MEAN;WIN32;_WIN32;__WINDOWS__;_HAS_EXCEPTIONS=0;WIN64;RELEASE;IMGUI_API=__declspec(dllexport);</NMakePreprocessorDefinitions>
+    <NMakeIncludeSearchPath>..\;..\External\imgui;..\External\imgui\backends;C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.44.35207\include\;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\ucrt;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\um;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\shared;</NMakeIncludeSearchPath>
+    <AdditionalOptions>/std:c++20 /wd5267 /wd4061 /wd4505 /wd4514 /wd4577 /wd4625 /wd4710 /wd4711 /wd4746 /wd4820 /wd5045 /wd5220 /wd5245 /wd4365 /wd5219 </AdditionalOptions>
+    <LocalDebuggerWorkingDirectory>$(SolutionDir)\bin\$(Configuration)\</LocalDebuggerWorkingDirectory>
+    <IntDir>$(SolutionDir)\Intermediate</IntDir>
+    <OutDir>$(SolutionDir)\bin</OutDir>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='x64-Debug|x64'">
+    <NMakeBuildCommandLine>cd $(SolutionDir) &amp; misc\fbuild -ide -dist -monitor -cache $(ProjectName)-$(Configuration)</NMakeBuildCommandLine>
+    <NMakeReBuildCommandLine>cd $(SolutionDir) &amp; misc\fbuild -ide -dist -monitor -cache -clean $(ProjectName)-$(Configuration)</NMakeReBuildCommandLine>
+    <NMakePreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;_UNICODE;UNICODE;WIN32_LEAN_AND_MEAN;WIN32;_WIN32;__WINDOWS__;_HAS_EXCEPTIONS=0;WIN64;DEBUG;PROFILING_ENABLED;JULIET_ENABLE_IMGUI;JULIET_EXPORT;JULIET_WIN32;</NMakePreprocessorDefinitions>
+    <NMakeIncludeSearchPath>..\;..\Juliet\include;..\Juliet\src;..\External\imgui;..\External\imgui\backends;C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.44.35207\include\;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\ucrt;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\um;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\shared;</NMakeIncludeSearchPath>
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     <LocalDebuggerWorkingDirectory>$(SolutionDir)\bin\$(Configuration)\</LocalDebuggerWorkingDirectory>
     <IntDir>$(SolutionDir)\Intermediate</IntDir>
@@ -266,7 +404,7 @@
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     <NMakeReBuildCommandLine>cd $(SolutionDir) &amp; misc\fbuild -ide -dist -monitor -cache -clean $(ProjectName)-$(Configuration)</NMakeReBuildCommandLine>
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-    <NMakeIncludeSearchPath>..\;..\Juliet\include;..\Juliet\src;C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.44.35207\include\;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\ucrt;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\um;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\shared;</NMakeIncludeSearchPath>
+    <NMakeIncludeSearchPath>..\;..\Juliet\include;..\Juliet\src;..\External\imgui;..\External\imgui\backends;C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.44.35207\include\;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\ucrt;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\um;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\shared;</NMakeIncludeSearchPath>
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     <LocalDebuggerWorkingDirectory>$(SolutionDir)\bin\$(Configuration)\</LocalDebuggerWorkingDirectory>
     <IntDir>$(SolutionDir)\Intermediate</IntDir>
@@ -276,7 +414,7 @@
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     <NMakeReBuildCommandLine>cd $(SolutionDir) &amp; misc\fbuild -ide -dist -monitor -cache -clean $(ProjectName)-$(Configuration)</NMakeReBuildCommandLine>
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-    <NMakeIncludeSearchPath>..\;..\Juliet\include;..\Juliet\src;C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.44.35207\include\;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\ucrt;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\um;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\shared;</NMakeIncludeSearchPath>
+    <NMakeIncludeSearchPath>..\;..\Juliet\include;..\Juliet\src;..\External\imgui;..\External\imgui\backends;C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.44.35207\include\;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\ucrt;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\um;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\shared;</NMakeIncludeSearchPath>
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     <IntDir>$(SolutionDir)\Intermediate</IntDir>
@@ -285,8 +423,8 @@
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     <NMakeReBuildCommandLine>cd $(SolutionDir) &amp; misc\fbuild -ide -dist -monitor -cache -clean $(ProjectName)-$(Configuration)</NMakeReBuildCommandLine>
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-    <NMakeIncludeSearchPath>..\;..\Juliet\include;..\Juliet\src;C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.44.35207\include\;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\ucrt;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\um;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\shared;</NMakeIncludeSearchPath>
+    <NMakePreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;_UNICODE;UNICODE;WIN32_LEAN_AND_MEAN;WIN32;_WIN32;__WINDOWS__;_HAS_EXCEPTIONS=0;WIN64;DEBUG;PROFILING_ENABLED;JULIET_ENABLE_IMGUI;JULIET_EXPORT;JULIET_WIN32;</NMakePreprocessorDefinitions>
+    <NMakeIncludeSearchPath>..\;..\Juliet\include;..\Juliet\src;..\External\imgui;..\External\imgui\backends;C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.44.35207\include\;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\ucrt;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\um;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\shared;</NMakeIncludeSearchPath>
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+    <NMakeIncludeSearchPath>..\;..\Juliet\include;..\Juliet\src;..\External\imgui;..\External\imgui\backends;C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.44.35207\include\;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\ucrt;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\um;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\shared;</NMakeIncludeSearchPath>
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+    <NMakeIncludeSearchPath>..\;..\Juliet\include;..\Juliet\src;..\External\imgui;..\External\imgui\backends;C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.44.35207\include\;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\ucrt;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\um;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\shared;</NMakeIncludeSearchPath>
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     <NMakeReBuildCommandLine>cd $(SolutionDir) &amp; misc\fbuild -ide -dist -monitor -cache -clean $(ProjectName)-$(Configuration)</NMakeReBuildCommandLine>
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+    <NMakePreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;_UNICODE;UNICODE;WIN32_LEAN_AND_MEAN;WIN32;_WIN32;__WINDOWS__;_HAS_EXCEPTIONS=0;WIN64;DEBUG;PROFILING_ENABLED;JULIET_ENABLE_IMGUI;JULIET_EXPORT;JULIET_WIN32;</NMakePreprocessorDefinitions>
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@@ -345,7 +483,7 @@
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='x64Clang-Debug|x64'">
     <NMakeBuildCommandLine>cd $(SolutionDir) &amp; misc\fbuild -ide -dist -monitor -cache $(ProjectName)-$(Configuration)</NMakeBuildCommandLine>
     <NMakeReBuildCommandLine>cd $(SolutionDir) &amp; misc\fbuild -ide -dist -monitor -cache -clean $(ProjectName)-$(Configuration)</NMakeReBuildCommandLine>
-    <NMakePreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;_UNICODE;UNICODE;WIN32_LEAN_AND_MEAN;WIN32;_WIN32;__WINDOWS__;_HAS_EXCEPTIONS=0;WIN64;DEBUG;PROFILING_ENABLED;JULIET_EXPORT;JULIET_WIN32;</NMakePreprocessorDefinitions>
+    <NMakePreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;_UNICODE;UNICODE;WIN32_LEAN_AND_MEAN;WIN32;_WIN32;__WINDOWS__;_HAS_EXCEPTIONS=0;WIN64;DEBUG;PROFILING_ENABLED;JULIET_ENABLE_IMGUI;JULIET_EXPORT;JULIET_WIN32;</NMakePreprocessorDefinitions>
     <NMakeIncludeSearchPath>..\;..\Juliet\include;..\Game;C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.44.35207\include\;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\ucrt;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\um;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\shared;</NMakeIncludeSearchPath>
     <AdditionalOptions>/std:c++20 /wd5267 /wd4061 /wd4505 /wd4514 /wd4577 /wd4625 /wd4710 /wd4711 /wd4746 /wd4820 /wd5045 /wd5220 /wd5245 </AdditionalOptions>
     <LocalDebuggerWorkingDirectory>$(SolutionDir)\bin\$(Configuration)\</LocalDebuggerWorkingDirectory>
@@ -375,8 +513,8 @@
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='x64-Debug|x64'">
     <NMakeBuildCommandLine>cd $(SolutionDir) &amp; misc\fbuild -ide -dist -monitor -cache $(ProjectName)-$(Configuration)</NMakeBuildCommandLine>
     <NMakeReBuildCommandLine>cd $(SolutionDir) &amp; misc\fbuild -ide -dist -monitor -cache -clean $(ProjectName)-$(Configuration)</NMakeReBuildCommandLine>
-    <NMakePreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;_UNICODE;UNICODE;WIN32_LEAN_AND_MEAN;WIN32;_WIN32;__WINDOWS__;_HAS_EXCEPTIONS=0;WIN64;DEBUG;PROFILING_ENABLED;JULIET_WIN32;</NMakePreprocessorDefinitions>
-    <NMakeIncludeSearchPath>..\;..\Juliet\include;..\Juliet\src;C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.44.35207\include\;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\ucrt;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\um;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\shared;</NMakeIncludeSearchPath>
+    <NMakePreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;_UNICODE;UNICODE;WIN32_LEAN_AND_MEAN;WIN32;_WIN32;__WINDOWS__;_HAS_EXCEPTIONS=0;WIN64;DEBUG;PROFILING_ENABLED;JULIET_ENABLE_IMGUI;JULIET_WIN32;</NMakePreprocessorDefinitions>
+    <NMakeIncludeSearchPath>..\;..\Juliet\include;..\Juliet\src;..\External\imgui;C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.44.35207\include\;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\ucrt;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\um;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\shared;</NMakeIncludeSearchPath>
     <AdditionalOptions>/std:c++20 /wd5267 /wd4061 /wd4505 /wd4514 /wd4577 /wd4625 /wd4710 /wd4711 /wd4746 /wd4820 /wd5045 /wd5220 /wd5245 </AdditionalOptions>
     <LocalDebuggerWorkingDirectory>$(SolutionDir)\bin\$(Configuration)\</LocalDebuggerWorkingDirectory>
     <IntDir>$(SolutionDir)\Intermediate</IntDir>
@@ -386,7 +524,7 @@
     <NMakeBuildCommandLine>cd $(SolutionDir) &amp; misc\fbuild -ide -dist -monitor -cache $(ProjectName)-$(Configuration)</NMakeBuildCommandLine>
     <NMakeReBuildCommandLine>cd $(SolutionDir) &amp; misc\fbuild -ide -dist -monitor -cache -clean $(ProjectName)-$(Configuration)</NMakeReBuildCommandLine>
     <NMakePreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;_UNICODE;UNICODE;WIN32_LEAN_AND_MEAN;WIN32;_WIN32;__WINDOWS__;_HAS_EXCEPTIONS=0;WIN64;RELEASE;PROFILING_ENABLED;JULIET_WIN32;</NMakePreprocessorDefinitions>
-    <NMakeIncludeSearchPath>..\;..\Juliet\include;..\Juliet\src;C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.44.35207\include\;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\ucrt;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\um;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\shared;</NMakeIncludeSearchPath>
+    <NMakeIncludeSearchPath>..\;..\Juliet\include;..\Juliet\src;..\External\imgui;C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.44.35207\include\;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\ucrt;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\um;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\shared;</NMakeIncludeSearchPath>
     <AdditionalOptions>/std:c++20 /wd5267 /wd4061 /wd4505 /wd4514 /wd4577 /wd4625 /wd4710 /wd4711 /wd4746 /wd4820 /wd5045 /wd5220 /wd5245 </AdditionalOptions>
     <LocalDebuggerWorkingDirectory>$(SolutionDir)\bin\$(Configuration)\</LocalDebuggerWorkingDirectory>
     <IntDir>$(SolutionDir)\Intermediate</IntDir>
@@ -396,7 +534,7 @@
     <NMakeBuildCommandLine>cd $(SolutionDir) &amp; misc\fbuild -ide -dist -monitor -cache $(ProjectName)-$(Configuration)</NMakeBuildCommandLine>
     <NMakeReBuildCommandLine>cd $(SolutionDir) &amp; misc\fbuild -ide -dist -monitor -cache -clean $(ProjectName)-$(Configuration)</NMakeReBuildCommandLine>
     <NMakePreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;_UNICODE;UNICODE;WIN32_LEAN_AND_MEAN;WIN32;_WIN32;__WINDOWS__;_HAS_EXCEPTIONS=0;WIN64;RELEASE;JULIET_WIN32;</NMakePreprocessorDefinitions>
-    <NMakeIncludeSearchPath>..\;..\Juliet\include;..\Juliet\src;C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.44.35207\include\;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\ucrt;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\um;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\shared;</NMakeIncludeSearchPath>
+    <NMakeIncludeSearchPath>..\;..\Juliet\include;..\Juliet\src;..\External\imgui;C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.44.35207\include\;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\ucrt;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\um;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\shared;</NMakeIncludeSearchPath>
     <AdditionalOptions>/std:c++20 /wd5267 /wd4061 /wd4505 /wd4514 /wd4577 /wd4625 /wd4710 /wd4711 /wd4746 /wd4820 /wd5045 /wd5220 /wd5245 </AdditionalOptions>
     <LocalDebuggerWorkingDirectory>$(SolutionDir)\bin\$(Configuration)\</LocalDebuggerWorkingDirectory>
     <IntDir>$(SolutionDir)\Intermediate</IntDir>
@@ -405,8 +543,8 @@
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='x64Clang-Debug|x64'">
     <NMakeBuildCommandLine>cd $(SolutionDir) &amp; misc\fbuild -ide -dist -monitor -cache $(ProjectName)-$(Configuration)</NMakeBuildCommandLine>
     <NMakeReBuildCommandLine>cd $(SolutionDir) &amp; misc\fbuild -ide -dist -monitor -cache -clean $(ProjectName)-$(Configuration)</NMakeReBuildCommandLine>
-    <NMakePreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;_UNICODE;UNICODE;WIN32_LEAN_AND_MEAN;WIN32;_WIN32;__WINDOWS__;_HAS_EXCEPTIONS=0;WIN64;DEBUG;PROFILING_ENABLED;JULIET_WIN32;</NMakePreprocessorDefinitions>
-    <NMakeIncludeSearchPath>..\;..\Juliet\include;..\Juliet\src;C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.44.35207\include\;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\ucrt;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\um;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\shared;</NMakeIncludeSearchPath>
+    <NMakePreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;_UNICODE;UNICODE;WIN32_LEAN_AND_MEAN;WIN32;_WIN32;__WINDOWS__;_HAS_EXCEPTIONS=0;WIN64;DEBUG;PROFILING_ENABLED;JULIET_ENABLE_IMGUI;JULIET_WIN32;</NMakePreprocessorDefinitions>
+    <NMakeIncludeSearchPath>..\;..\Juliet\include;..\Juliet\src;..\External\imgui;C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.44.35207\include\;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\ucrt;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\um;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\shared;</NMakeIncludeSearchPath>
     <AdditionalOptions>/std:c++20 </AdditionalOptions>
     <LocalDebuggerWorkingDirectory>$(SolutionDir)\bin\$(Configuration)\</LocalDebuggerWorkingDirectory>
     <IntDir>$(SolutionDir)\Intermediate</IntDir>
@@ -416,7 +554,7 @@
     <NMakeBuildCommandLine>cd $(SolutionDir) &amp; misc\fbuild -ide -dist -monitor -cache $(ProjectName)-$(Configuration)</NMakeBuildCommandLine>
     <NMakeReBuildCommandLine>cd $(SolutionDir) &amp; misc\fbuild -ide -dist -monitor -cache -clean $(ProjectName)-$(Configuration)</NMakeReBuildCommandLine>
     <NMakePreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;_UNICODE;UNICODE;WIN32_LEAN_AND_MEAN;WIN32;_WIN32;__WINDOWS__;_HAS_EXCEPTIONS=0;WIN64;RELEASE;PROFILING_ENABLED;JULIET_WIN32;</NMakePreprocessorDefinitions>
-    <NMakeIncludeSearchPath>..\;..\Juliet\include;..\Juliet\src;C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.44.35207\include\;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\ucrt;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\um;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\shared;</NMakeIncludeSearchPath>
+    <NMakeIncludeSearchPath>..\;..\Juliet\include;..\Juliet\src;..\External\imgui;C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.44.35207\include\;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\ucrt;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\um;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\shared;</NMakeIncludeSearchPath>
     <AdditionalOptions>/std:c++20 </AdditionalOptions>
     <LocalDebuggerWorkingDirectory>$(SolutionDir)\bin\$(Configuration)\</LocalDebuggerWorkingDirectory>
     <IntDir>$(SolutionDir)\Intermediate</IntDir>
@@ -426,7 +564,7 @@
     <NMakeBuildCommandLine>cd $(SolutionDir) &amp; misc\fbuild -ide -dist -monitor -cache $(ProjectName)-$(Configuration)</NMakeBuildCommandLine>
     <NMakeReBuildCommandLine>cd $(SolutionDir) &amp; misc\fbuild -ide -dist -monitor -cache -clean $(ProjectName)-$(Configuration)</NMakeReBuildCommandLine>
     <NMakePreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;_UNICODE;UNICODE;WIN32_LEAN_AND_MEAN;WIN32;_WIN32;__WINDOWS__;_HAS_EXCEPTIONS=0;WIN64;RELEASE;JULIET_WIN32;</NMakePreprocessorDefinitions>
-    <NMakeIncludeSearchPath>..\;..\Juliet\include;..\Juliet\src;C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.44.35207\include\;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\ucrt;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\um;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\shared;</NMakeIncludeSearchPath>
+    <NMakeIncludeSearchPath>..\;..\Juliet\include;..\Juliet\src;..\External\imgui;C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.44.35207\include\;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\ucrt;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\um;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\shared;</NMakeIncludeSearchPath>
     <AdditionalOptions>/std:c++20 </AdditionalOptions>
     <LocalDebuggerWorkingDirectory>$(SolutionDir)\bin\$(Configuration)\</LocalDebuggerWorkingDirectory>
     <IntDir>$(SolutionDir)\Intermediate</IntDir>
@@ -522,6 +660,36 @@
     <Path>$(SolutionDir)\Intermediate\$(ProjectName)-$(Configuration).log</Path>
     </BuildLog>
   </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='x64-Debug|x64'">
+    <BuildLog>
+    <Path>$(SolutionDir)\Intermediate\$(ProjectName)-$(Configuration).log</Path>
+    </BuildLog>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='x64-Profile|x64'">
+    <BuildLog>
+    <Path>$(SolutionDir)\Intermediate\$(ProjectName)-$(Configuration).log</Path>
+    </BuildLog>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='x64-Release|x64'">
+    <BuildLog>
+    <Path>$(SolutionDir)\Intermediate\$(ProjectName)-$(Configuration).log</Path>
+    </BuildLog>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='x64Clang-Debug|x64'">
+    <BuildLog>
+    <Path>$(SolutionDir)\Intermediate\$(ProjectName)-$(Configuration).log</Path>
+    </BuildLog>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='x64Clang-Profile|x64'">
+    <BuildLog>
+    <Path>$(SolutionDir)\Intermediate\$(ProjectName)-$(Configuration).log</Path>
+    </BuildLog>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='x64Clang-Release|x64'">
+    <BuildLog>
+    <Path>$(SolutionDir)\Intermediate\$(ProjectName)-$(Configuration).log</Path>
+    </BuildLog>
+  </ItemDefinitionGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
   </ImportGroup>

JulietApp/main.cpp

@@ -2,24 +2,32 @@
 
 #include <Core/Application/ApplicationManager.h>
 #include <Core/Common/EnumUtils.h>
+#include <Core/Common/String.h>
 #include <Core/HAL/Display/Display.h>
 #include <Core/HAL/Event/SystemEvent.h>
 #include <Core/HAL/Filesystem/Filesystem.h>
 #include <Core/JulietInit.h>
 #include <Core/Logging/LogManager.h>
 #include <Core/Logging/LogTypes.h>
+#include <Core/Math/Matrix.h>
+#include <Core/Memory/MemoryArena.h>
+#include <Core/Memory/Utils.h>
+#include <cstdlib>
+#include <Engine/Debug/MemoryDebugger.h>
 #include <Graphics/Camera.h>
 #include <Graphics/DebugDisplay.h>
 #include <Graphics/Graphics.h>
 #include <Graphics/GraphicsConfig.h>
 #include <Graphics/GraphicsPipeline.h>
 #include <Graphics/RenderPass.h>
+#include <Juliet.h>
 
-#include <Core/Common/String.h>
-#include <Core/Memory/Utils.h>
-#include <Core/Memory/MemoryArena.h>
-#include <Core/Memory/EngineArena.h>
-#include <cstdlib>
+#ifdef JULIET_ENABLE_IMGUI
+#include <Graphics/ImGuiRenderer.h>
+#include <imgui.h>
+#endif
+
+static bool ShowMemoryDebugger = false;
 
 // TODO : Replace with message box from framework + call main and not winmain + subsystem
 // TODO : Think how to do the draw pipeline.
@@ -33,6 +41,13 @@
 
 using namespace Juliet;
 
+extern "C" {
+__declspec(dllexport) extern const unsigned int D3D12SDKVersion = 615;
+}
+extern "C" {
+__declspec(dllexport) extern const char* D3D12SDKPath = ".\\";
+}
+
 namespace
 {
     using GameInit_t     = void (*)(GameInitParams*);
@@ -44,6 +59,7 @@ namespace
         GameShutdown_t Shutdown = nullptr;
         GameUpdate_t   Update   = nullptr;
     } Game;
+
     const char* GameFunctionTable[] = { "GameInit", "GameShutdown", "GameUpdate" };
 } // namespace
 
@@ -91,15 +107,15 @@ void JulietApplication::Init()
             ColorTargetDescription colorTargetDescription = {};
             colorTargetDescription.Format                 = GetSwapChainTextureFormat(GraphicsDevice, MainWindow);
 
-            GraphicsPipelineCreateInfo pipelineCI = {};
-            pipelineCI.VertexShader               = vertexShader;
-            pipelineCI.FragmentShader             = fragmentShader;
-            pipelineCI.PrimitiveType              = PrimitiveType::TriangleList;
-            pipelineCI.TargetInfo                 = { .ColorTargetDescriptions = &colorTargetDescription,
-                                                      .NumColorTargets         = 1,
-                                                      .DepthStencilFormat      = TextureFormat::D32_FLOAT,
-                                                      .HasDepthStencilTarget   = true };
-            pipelineCI.RasterizerState.FillMode   = FillMode::Solid;
+            GraphicsPipelineCreateInfo pipelineCI         = {};
+            pipelineCI.VertexShader                       = vertexShader;
+            pipelineCI.FragmentShader                     = fragmentShader;
+            pipelineCI.PrimitiveType                      = PrimitiveType::TriangleList;
+            pipelineCI.TargetInfo                         = { .ColorTargetDescriptions = &colorTargetDescription,
+                                                              .NumColorTargets         = 1,
+                                                              .DepthStencilFormat      = TextureFormat::D32_FLOAT,
+                                                              .HasDepthStencilTarget   = true };
+            pipelineCI.RasterizerState.FillMode           = FillMode::Solid;
             pipelineCI.DepthStencilState.EnableDepthTest  = true;
             pipelineCI.DepthStencilState.EnableDepthWrite = true;
             pipelineCI.DepthStencilState.CompareOperation = CompareOperation::Less;
@@ -128,10 +144,10 @@ void JulietApplication::Init()
                 Running = false;
             }
 
-            // Create Buffers
+            // Create Buffers - Using StructuredBuffer for bindless SRV access in shader
             BufferCreateInfo bufferCI = {};
             bufferCI.Size             = 256;
-            bufferCI.Usage            = BufferUsage::StructuredBuffer; // Changed to StructuredBuffer As Requested
+            bufferCI.Usage            = BufferUsage::StructuredBuffer; // SRV for ResourceDescriptorHeap access
             ConstantBuffer            = CreateGraphicsBuffer(GraphicsDevice, bufferCI);
 
             TransferBufferCreateInfo transferCI = {};
@@ -139,6 +155,27 @@ void JulietApplication::Init()
             transferCI.Usage                    = TransferBufferUsage::Upload;
             TransferBuffer                      = CreateGraphicsTransferBuffer(GraphicsDevice, transferCI);
 
+            // Upload Static Data for Test
+            if (TransferBuffer && ConstantBuffer)
+            {
+                void* data = MapGraphicsTransferBuffer(GraphicsDevice, TransferBuffer);
+                if (data)
+                {
+                    Matrix projection = PerspectiveFov(60.0f * (3.14159f / 180.0f), 1200.0f / 800.0f, 0.1f, 1000.0f);
+                    Matrix view       = LookAt({ 30.0f, 0.0f, 10.0f }, { 0.0f, 0.0f, 0.0f }, { 0.0f, 0.0f, 1.0f });
+                    Matrix model      = Matrix::Identity();
+                    Matrix mvp        = projection * view * model;
+
+                    MemCopy(data, &mvp, sizeof(Matrix));
+                    UnmapGraphicsTransferBuffer(GraphicsDevice, TransferBuffer);
+
+                    CommandList* initCmd = AcquireCommandList(GraphicsDevice);
+                    CopyBuffer(initCmd, ConstantBuffer, TransferBuffer, 256);
+                    TransitionBufferToReadable(initCmd, ConstantBuffer);
+                    SubmitCommandLists(initCmd);
+                }
+            }
+
             if (vertexShader)
             {
                 DestroyShader(GraphicsDevice, vertexShader);
@@ -165,9 +202,6 @@ void JulietApplication::Init()
             params.ScratchArena = GetScratchArena();
             Game.Init(&params);
         }
-
-        // Initialize DebugDisplay
-        DebugDisplay_Initialize(GraphicsDevice);
     }
 }
 
@@ -181,12 +215,6 @@ void JulietApplication::Shutdown()
         ShutdownHotReloadCode(GameCode);
     }
 
-    // Shutdown DebugDisplay before graphics device
-    if (GraphicsDevice)
-    {
-        DebugDisplay_Shutdown(GraphicsDevice);
-    }
-
     if (GraphicsPipeline)
     {
         DestroyGraphicsPipeline(GraphicsDevice, GraphicsPipeline);
@@ -238,12 +266,7 @@ void JulietApplication::Update()
             }
         }
 
-        if (evt.Type == EventType::Key_Down)
-        {
-        }
-
         // Shader hot reload using keyboard.
-        // TODO: Add Input debounce in the library. (Just pressed vs pressed)
         if (!reloadShadersDebounce && ((GetKeyModState() & KeyMod::Alt) != KeyMod::None) && IsKeyDown(ScanCode::R))
         {
             reloadShaders         = true;
@@ -256,6 +279,15 @@ void JulietApplication::Update()
         }
     }
 
+#ifdef JULIET_ENABLE_IMGUI
+    ImGui::ShowDemoWindow();
+#endif
+
+    DebugDisplay_DrawLine({ 0.0f, 0.0f, 0.0f }, { 10.0f, 0.0f, 0.0f }, { 1.0f, 0.0f, 0.0f, 1.0f }, false);
+    DebugDisplay_DrawLine({ 0.0f, 0.0f, 0.0f }, { 0.0f, 10.0f, 0.0f }, { 0.0f, 1.0f, 0.0f, 1.0f }, true);
+    DebugDisplay_DrawLine({ 0.0f, 0.0f, 0.0f }, { 0.0f, 0.0f, 10.0f }, { 0.0f, 0.0f, 1.0f, 1.0f }, true);
+    DebugDisplay_DrawSphere({ 0.0f, 0.0f, 0.0f }, 5.0f, { 1.0f, 1.0f, 0.0f, 1.0f }, true);
+
     Game.Update(0.0f);
 
     if (ShouldReloadCode(GameCode))
@@ -265,7 +297,6 @@ void JulietApplication::Update()
 
     if (reloadShaders)
     {
-        // We need to wait for the gpu to be idle to recreate our graphics pipelines
         WaitUntilGPUIsIdle(GraphicsDevice);
 
 #if ALLOW_SHADER_HOT_RELOAD
@@ -293,104 +324,119 @@ void JulietApplication::Update()
 #endif
     }
 
-    // Draw here for now
-    // 1) Acquire a Command Buffer
-    CommandList* cmdList = AcquireCommandList(GraphicsDevice, QueueType::Graphics);
-    if (cmdList == nullptr)
+    // Memory debugger toggle
+    static bool toggleDebounce = false;
+    if (IsKeyDown(Juliet::ScanCode::Home))
     {
-        Log(LogLevel::Error, LogCategory::Tool, "Failed to acquire command list.");
-        Running = false;
-        return;
-    }
-
-    Texture* swapChainTexture = nullptr;
-    if (!WaitAndAcquireSwapChainTexture(cmdList, MainWindow, &swapChainTexture))
-    {
-        Log(LogLevel::Error, LogCategory::Tool, "Failed to acquire swapchain texture.");
-        Running = false;
-        return;
-    }
-
-    if (swapChainTexture)
-    {
-        ColorTargetInfo colorTargetInfo = {};
-        colorTargetInfo.TargetTexture   = swapChainTexture;
-        colorTargetInfo.ClearColor      = { .R = .0f, .G = .0f, .B = .0f, .A = 1.f };
-        colorTargetInfo.LoadOperation   = LoadOperation::Clear;
-        colorTargetInfo.StoreOperation  = StoreOperation::Store;
-
-        if (ConstantBuffer && TransferBuffer)
+        if (!toggleDebounce)
         {
-            void* ptr = MapGraphicsTransferBuffer(GraphicsDevice, TransferBuffer);
-            if (ptr)
-            {
-                Vertex* vertices = static_cast<Vertex*>(ptr);
+            ShowMemoryDebugger = !ShowMemoryDebugger;
+            toggleDebounce     = true;
+        }
+    }
+    else
+    {
+        toggleDebounce = false;
+    }
 
-                // Triangle 1
-                vertices[0] = { { -0.5f, -0.5f }, { 1.0f, 0.0f, 0.0f, 1.0f } }; // Red
-                vertices[1] = { { 0.0f, 0.5f }, { 0.0f, 1.0f, 0.0f, 1.0f } };   // Green
-                vertices[2] = { { 0.5f, -0.5f }, { 0.0f, 0.0f, 1.0f, 1.0f } };  // Blue
+    // Auto-close logic
+    if (AutoCloseFrameCount > 0)
+    {
+        AutoCloseFrameCount--;
+        if (AutoCloseFrameCount == 0)
+        {
+            Log(LogLevel::Message, LogCategory::Tool, "Auto-closing application as requested.");
+            Running = false;
+        }
+    }
 
-                // Triangle 2
-                vertices[3] = { { -0.5f, 0.5f }, { 1.0f, 1.0f, 0.0f, 1.0f } }; // Yellow
-                vertices[4] = { { 0.0f, 0.8f }, { 0.0f, 1.0f, 1.0f, 1.0f } };  // Cyan
-                vertices[5] = { { 0.5f, 0.5f }, { 1.0f, 0.0f, 1.0f, 1.0f } };  // Magenta
+    if (ShowMemoryDebugger)
+    {
+        Debug::DebugDrawMemoryArena();
+    }
+}
 
-                UnmapGraphicsTransferBuffer(GraphicsDevice, TransferBuffer);
-            }
+void JulietApplication::OnPreRender(CommandList* cmd)
+{
+    // Buffer uploads
+    if (ConstantBuffer && TransferBuffer)
+    {
+        void* ptr = MapGraphicsTransferBuffer(GraphicsDevice, TransferBuffer);
+        if (ptr)
+        {
+            auto vertices = static_cast<Vertex*>(ptr);
 
-            CopyBuffer(cmdList, ConstantBuffer, TransferBuffer, 256);
-            TransitionBufferToReadable(cmdList, ConstantBuffer);
+            // Triangle 1
+            vertices[0] = { { -0.5f, -0.5f }, { 1.0f, 0.0f, 0.0f, 1.0f } }; // Red
+            vertices[1] = { { 0.0f, 0.5f }, { 0.0f, 1.0f, 0.0f, 1.0f } };   // Green
+            vertices[2] = { { 0.5f, -0.5f }, { 0.0f, 0.0f, 1.0f, 1.0f } };  // Blue
+
+            // Triangle 2
+            vertices[3] = { { -0.5f, 0.5f }, { 1.0f, 1.0f, 0.0f, 1.0f } }; // Yellow
+            vertices[4] = { { 0.0f, 0.8f }, { 0.0f, 1.0f, 1.0f, 1.0f } };  // Cyan
+            vertices[5] = { { 0.5f, 0.5f }, { 1.0f, 0.0f, 1.0f, 1.0f } };  // Magenta
+
+            UnmapGraphicsTransferBuffer(GraphicsDevice, TransferBuffer);
         }
 
-        // Test lines and sphere - GIANT SCALE
-        DebugDisplay_DrawLine({ 0.0f, 0.0f, 0.0f }, { 10.0f, 0.0f, 0.0f }, { 1.0f, 0.0f, 0.0f, 1.0f }, false); // X-Axis (Red)
-        DebugDisplay_DrawLine({ 0.0f, 0.0f, 0.0f }, { 0.0f, 10.0f, 0.0f }, { 0.0f, 1.0f, 0.0f, 1.0f }, true);  // Y-Axis (Green)
-        DebugDisplay_DrawLine({ 0.0f, 0.0f, 0.0f }, { 0.0f, 0.0f, 10.0f }, { 0.0f, 0.0f, 1.0f, 1.0f }, true);  // Z-Axis (Blue) - Up
-        DebugDisplay_DrawSphere({ 0.0f, 0.0f, 0.0f }, 5.0f, { 1.0f, 1.0f, 0.0f, 1.0f }, true); // Yellow sphere
-
-        // Prepare debug data (outside render pass)
-        DebugDisplay_Prepare(cmdList);
-
-        DepthStencilTargetInfo depthTargetInfo = {};
-        depthTargetInfo.TargetTexture          = DepthBuffer;
-        depthTargetInfo.ClearDepth             = 1.0f;
-        depthTargetInfo.LoadOperation          = LoadOperation::Clear;
-        depthTargetInfo.StoreOperation         = StoreOperation::Store;
-
-        RenderPass* renderPass = BeginRenderPass(cmdList, colorTargetInfo, &depthTargetInfo);
-        BindGraphicsPipeline(renderPass, GraphicsPipeline);
-
-        // Pass descriptor index via Push Constants AFTER finding the pipeline (RootSignature)
-        uint32 descriptorIndex = GetDescriptorIndex(GraphicsDevice, ConstantBuffer);
-        SetPushConstants(cmdList, ShaderStage::Vertex, 0, 1, &descriptorIndex);
-
-        DrawPrimitives(renderPass, 6, 1, 0, 0);
-
-        // Debug Display - render shapes (inside render pass)
-        static float orbitTime = 0.0f;
-        orbitTime += 0.016f; // Rough approximation for 60fps
-
-        float  radius           = 30.0f;
-        Camera debugCamera      = {};
-        debugCamera.Position    = { cosf(orbitTime) * radius, sinf(orbitTime) * radius, 10.0f }; // Rotate in XY plane
-        debugCamera.Target      = { 0.0f, 0.0f, 0.0f };
-        debugCamera.Up          = { 0.0f, 0.0f, 1.0f }; // Z-Up
-        debugCamera.FOV         = 1.047f; // 60 degrees
-        debugCamera.AspectRatio = 1200.0f / 800.0f;
-        debugCamera.NearPlane   = 0.1f;
-        debugCamera.FarPlane    = 1000.0f;
-
-        DebugDisplay_Flush(cmdList, renderPass, debugCamera);
-
-        EndRenderPass(renderPass);
+        CopyBuffer(cmd, ConstantBuffer, TransferBuffer, 256);
+        TransitionBufferToReadable(cmd, ConstantBuffer);
     }
+}
 
-    // Submit Commands
-    SubmitCommandLists(cmdList);
+void JulietApplication::OnRender(RenderPass* pass, CommandList* cmd)
+{
+    BindGraphicsPipeline(pass, GraphicsPipeline);
 
-    // Reset Scratch Arena at the end of the frame
-    ScratchArenaReset();
+    uint32 descriptorIndex = GetDescriptorIndex(GraphicsDevice, ConstantBuffer);
+
+    struct PushData
+    {
+        float  ViewProjection[16];
+        uint32 BufferIndex;
+    } pushData           = {};
+    pushData.BufferIndex = descriptorIndex;
+
+    SetPushConstants(cmd, ShaderStage::Vertex, 0, sizeof(pushData) / 4, &pushData);
+
+    DrawPrimitives(pass, 6, 1, 0, 0);
+}
+
+ColorTargetInfo JulietApplication::GetColorTargetInfo(Texture* swapchainTexture)
+{
+    ColorTargetInfo info = {};
+    info.TargetTexture   = swapchainTexture;
+    info.ClearColor      = { .R = 0.0f, .G = 0.0f, .B = 0.0f, .A = 1.0f };
+    info.LoadOperation   = LoadOperation::Clear;
+    info.StoreOperation  = StoreOperation::Store;
+    return info;
+}
+
+DepthStencilTargetInfo* JulietApplication::GetDepthTargetInfo()
+{
+    static DepthStencilTargetInfo info = {};
+    info.TargetTexture                 = DepthBuffer;
+    info.ClearDepth                    = 1.0f;
+    info.LoadOperation                 = LoadOperation::Clear;
+    info.StoreOperation                = StoreOperation::Store;
+    return &info;
+}
+
+Camera JulietApplication::GetDebugCamera()
+{
+    static float orbitTime = 0.0f;
+    orbitTime += 0.016f;
+
+    float  radius   = 30.0f;
+    Camera cam      = {};
+    cam.Position    = { cosf(orbitTime) * radius, sinf(orbitTime) * radius, 10.0f };
+    cam.Target      = { 0.0f, 0.0f, 0.0f };
+    cam.Up          = { 0.0f, 0.0f, 1.0f };
+    cam.FOV         = 1.047f;
+    cam.AspectRatio = 1200.0f / 800.0f;
+    cam.NearPlane   = 0.1f;
+    cam.FarPlane    = 1000.0f;
+    return cam;
 }
 
 bool JulietApplication::IsRunning()
@@ -419,10 +465,28 @@ int main(int /*argc*/, char** /*argv*/)
     //     return EXIT_FAILURE;
     // }
 
+    setvbuf(stdout, nullptr, _IONBF, 0);
+
+    if (__argc > 1)
+    {
+        for (int i = 1; i < __argc; ++i)
+        {
+            if (strcmp(__argv[i], "-autoclose") == 0 && (i + 1 < __argc))
+            {
+                int frames = atoi(__argv[i + 1]);
+                EditorApplication.SetAutoCloseFrameCount(frames);
+            }
+        }
+    }
+
     StartApplication(EditorApplication, JulietInit_Flags::Display);
 
     // Pause here to not close the console window immediatly on stop
-    system("PAUSE");
+    // Only pause if not in auto-close mode
+    if (EditorApplication.GetAutoCloseFrameCount() == -1)
+    {
+        system("PAUSE");
+    }
 
     return EXIT_SUCCESS;
 }

JulietApp/main.h

@@ -22,6 +22,20 @@ class JulietApplication : public Juliet::IApplication
     void Update() override;
     bool IsRunning() override;
 
+    Juliet::Window*         GetPlatformWindow() override { return MainWindow; }
+    Juliet::GraphicsDevice* GetGraphicsDevice() override { return GraphicsDevice; }
+
+    // Render Lifecycle
+    void                              OnPreRender(Juliet::CommandList* cmd) override;
+    void                              OnRender(Juliet::RenderPass* pass, Juliet::CommandList* cmd) override;
+    Juliet::ColorTargetInfo           GetColorTargetInfo(Juliet::Texture* swapchainTexture) override;
+    Juliet::DepthStencilTargetInfo*   GetDepthTargetInfo() override;
+    Juliet::Camera                    GetDebugCamera() override;
+
+  public:
+    void SetAutoCloseFrameCount(int count) { AutoCloseFrameCount = count; }
+    int  GetAutoCloseFrameCount() const { return AutoCloseFrameCount; }
+
   private:
     Juliet::Window*                 MainWindow       = {};
     Juliet::GraphicsDevice*         GraphicsDevice   = {};
@@ -32,6 +46,7 @@ class JulietApplication : public Juliet::IApplication
     Juliet::Texture*                DepthBuffer      = {};
 
     bool Running = false;
+    int  AutoCloseFrameCount = -1;
 };
 
 JulietApplication& GetEditorApplication();

JulietShaderCompiler/JulietShaderCompiler.vcxproj

@@ -51,8 +51,8 @@
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='x64Clang-Debug|x64'">
     <NMakeBuildCommandLine>cd $(SolutionDir) &amp; misc\fbuild -ide -dist -monitor -cache $(ProjectName)-$(Configuration)</NMakeBuildCommandLine>
     <NMakeReBuildCommandLine>cd $(SolutionDir) &amp; misc\fbuild -ide -dist -monitor -cache -clean $(ProjectName)-$(Configuration)</NMakeReBuildCommandLine>
-    <NMakePreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;_UNICODE;UNICODE;WIN32_LEAN_AND_MEAN;WIN32;_WIN32;__WINDOWS__;_HAS_EXCEPTIONS=0;WIN64;DEBUG;PROFILING_ENABLED;JULIET_EXPORT;JULIET_WIN32;</NMakePreprocessorDefinitions>
-    <NMakeIncludeSearchPath>..\;..\Juliet\include;..\Juliet\src;C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.44.35207\include\;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\ucrt;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\um;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\shared;</NMakeIncludeSearchPath>
+    <NMakePreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;_UNICODE;UNICODE;WIN32_LEAN_AND_MEAN;WIN32;_WIN32;__WINDOWS__;_HAS_EXCEPTIONS=0;WIN64;DEBUG;PROFILING_ENABLED;JULIET_ENABLE_IMGUI;JULIET_EXPORT;JULIET_WIN32;</NMakePreprocessorDefinitions>
+    <NMakeIncludeSearchPath>..\;..\Juliet\include;..\Juliet\src;..\External\imgui;..\External\imgui\backends;C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.44.35207\include\;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\ucrt;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\um;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\shared;</NMakeIncludeSearchPath>
     <AdditionalOptions>/std:c++20 </AdditionalOptions>
     <LocalDebuggerWorkingDirectory>$(SolutionDir)\bin\$(Configuration)\</LocalDebuggerWorkingDirectory>
     <IntDir>$(SolutionDir)\Intermediate</IntDir>
@@ -62,7 +62,7 @@
     <NMakeBuildCommandLine>cd $(SolutionDir) &amp; misc\fbuild -ide -dist -monitor -cache $(ProjectName)-$(Configuration)</NMakeBuildCommandLine>
     <NMakeReBuildCommandLine>cd $(SolutionDir) &amp; misc\fbuild -ide -dist -monitor -cache -clean $(ProjectName)-$(Configuration)</NMakeReBuildCommandLine>
     <NMakePreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;_UNICODE;UNICODE;WIN32_LEAN_AND_MEAN;WIN32;_WIN32;__WINDOWS__;_HAS_EXCEPTIONS=0;WIN64;RELEASE;JULIET_EXPORT;JULIET_WIN32;</NMakePreprocessorDefinitions>
-    <NMakeIncludeSearchPath>..\;..\Juliet\include;..\Juliet\src;C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.44.35207\include\;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\ucrt;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\um;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\shared;</NMakeIncludeSearchPath>
+    <NMakeIncludeSearchPath>..\;..\Juliet\include;..\Juliet\src;..\External\imgui;..\External\imgui\backends;C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.44.35207\include\;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\ucrt;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\um;C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\shared;</NMakeIncludeSearchPath>
     <AdditionalOptions>/std:c++20 </AdditionalOptions>
     <LocalDebuggerWorkingDirectory>$(SolutionDir)\bin\$(Configuration)\</LocalDebuggerWorkingDirectory>
     <IntDir>$(SolutionDir)\Intermediate</IntDir>

fbuild.bff

@@ -21,7 +21,9 @@ Settings
 //------------------------------------------------------------------------------
 .BinPath        = 'bin'
 .OutputBase     = 'Intermediate'
-.CommonWinLibs = ' kernel32.lib user32.lib gdi32.lib dxguid.lib Ws2_32.lib dxgi.lib'
+.CommonWinLibs = ' kernel32.lib user32.lib gdi32.lib dxguid.lib Ws2_32.lib dxgi.lib imm32.lib dwmapi.lib d3dcompiler.lib shell32.lib'
+
+
 .ProjectConfigs = {}
 
 //------------------------------------------------------------------------------
@@ -29,7 +31,7 @@ Settings
 //------------------------------------------------------------------------------
 .Debug_Config =
 [
-    .CompilerOptions                = ' -DDEBUG -DPROFILING_ENABLED'
+    .CompilerOptions                = ' -DDEBUG -DPROFILING_ENABLED -DJULIET_ENABLE_IMGUI'
     .CompilerOptionsC               = .CompilerOptions
     .BuildConfigName                = 'Debug'
 ]
@@ -174,11 +176,13 @@ Settings
 .Targets_x64Clang_Release = {}
 
 // Include all projects to build
+#include "External/Imgui.bff"
 #include "Juliet/Juliet.bff"
 #include "Game/Game.bff"
 #include "JulietApp/JulietApp.Bff"
 #include "JulietShaderCompiler/JulietShaderCompiler.Bff"
 
+
 // Aliases : All-$Platform$-$Config$
 //------------------------------------------------------------------------------
 ForEach( .BuildConfig in .BuildConfigs )
@@ -253,7 +257,8 @@ ForEach( .Config in .Configs )
 VSSolution( 'GenerateSolution' )
 {
     .SolutionOutput   = 'Juliet.sln'
-    .SolutionProjects = { 'Juliet', 'Game', 'JulietApp' }
+    .SolutionProjects = { 'Juliet', 'Game', 'JulietApp', 'ImGui' }
+
     .SolutionConfigs  = .ProjectConfigs
     .SolutionBuildProject = 'JulietApp'
 }

log_direct.txt

@@ -0,0 +1,3 @@
+2> Exe: W:\Classified\Juliet\bin\x64Clang-Debug\JulietApp.exe
+FBuild: OK: clang-Debug
+Time: 0.213s

misc/agent_build.bat

@@ -0,0 +1,3 @@
+@echo off
+call misc\shell.bat
+fbuild %* -cache

misc/launch.bat

@@ -55,14 +55,8 @@ echo Config:   %CONFIG%
 :: --- 4. Execution ---
 if exist "%APP_DIR%\%APP_EXE%" (
     pushd "%APP_DIR%"
-    start "" "%APP_EXE%"
+    "%APP_EXE%" %*
     popd
-
-    if "%AUTOCLOSE%"=="1" (
-        echo [AUTOCLOSE] Waiting 5 seconds...
-        timeout /t 5 /nobreak >nul
-        taskkill /IM "%APP_EXE%" /F >nul 2>&1
-    )
 ) else (
     echo [ERROR] Executable not found at: %APP_DIR%\%APP_EXE%
     echo Please build first: fbuild JulietApp-%PLATFORM%-%CONFIG%