Ilum Graphics Playground, name after Planet Ilum from [Star Wars](

• Windows 10
• Visual Studio 2022
• C++17
• CMake 3.14+

Run script build.bat

NVIDIA Turing GPUs (GeForce RTX 30/20 Series, GeForce GTX 16 Series) are the best, due to supporting for

• Mesh Shader
• Ray Tracing Pipeline
• GPU Acceleration Structure
• Descriptor Indexing

• Architecture

  • Render Dependency Graph
    • Customize Render Pass (Graphics, Compute, Ray Tracing)
    • Render Pass Visualization
    • Auto Resource Transition
  • Runtime Shader Compilation and Reflection
    • GLSL -> glslang -> SPIR-V
    • HLSL -> DXC -> SPIR-V
    • SPIR-V -> spirv-cross -> Reflection Info
  • Entity Component System
  • Asynchronous Resource Loading
  • Scene Serialization

• Rendering

  • Mesh Shading Pipeline

    • Meshlet Rendering
    • GPU Frustum Culling
    • GPU Back-Face Cone Culling
    • Bindless Texture
    • GPU Hierarchy Z Buffer Occlusion Culling (Deprecated)

  • Deferred Shading

    GBuffer	Format	R	G	B	A
    0	RGBA8U	Albedo.r	Albedo.g	Albedo.b	Metallic
    1	RGBA16F	Normal.x	Normal.y	Normal.z	Linear Depth
    2	RGBA8U	Emissive.r	Emissive.g	Emissive.b	Roughness
    3	RGBA16F	Entity ID	Instance ID	Motion Vector.x	Motion Vector.y

  • Material

    • For Real Time
      • Lambert Diffuse BRDF
        • Lambertian Reflection
      • Matte BRDF
        • Oren Nayar Reflection
        • Lambertian Reflection
      • Disney Principle BRDF
        • Kulla-Conty Approximation for Multi-Bounce Correction
    • For Offline
      • Matte BRDF
        • Oren Nayar Reflection
        • Lambertian Reflection
      • Plastic BRDF
        • Microfacet Reflection
        • Lambertian Reflection
      • Metal BRDF
        • Microfacet Reflection
      • Mirror BRDF
        • Specular Reflection
      • Glass BSDF
        • Fresnel Specular
        • Microfacet Reflection
        • Microfacet Transmission
      • Disney Principle BSDF
        • Disney Diffuse
        • Disney Fake Subsurface Scattering
        • Specular Transmission
        • Disney Retro
        • Disney Sheen
        • Disney Clearcoat
        • Microfacet Reflection
        • Microfacet Transmission
        • Lambertian Transmission

  • Image Based Lighting

    • Diffuse Term: Spherical Harmonics Projection
    • Specular Term: Split Sum Method

  • Shadow Mapping

    • Spot Light: Shadow Map
    • Directional Light: Cascade Shadow Map
    • Point Light: Omnidirectional Shadow Map

  • Soft Shadow

    • Percentage Closer Filtering (PCF)
    • Percentage Closer Soft Shadows (PCSS)

  • Anti-Aliasing

    • Fast approximate Anti-Aliasing (FXAA)

  • Path Tracing

    • Next Event Estimation
    • Light Source & BSDF Importance Sampling
    • Multi Importance Sampling
    • Russian Roulette

• Geometry

  • Curve Modeling
    • Bézier Curve
    • Cubic Spline Curve
    • B Spline Curve
    • Rational Bézier Curve
    • Rational B Spline Curve
  • Tensor Product Surface Modeling
    • Bézier Surface
    • B Spline Surface
    • Rational Bézier Surface
    • Rational B Spline Surface
  • Triangle Mesh Processing
    • Data Structure
      • Face Based Mesh
      • Edge Based Mesh
      • Half-Edge Mesh
    • Subdivision
      • Loop Subdivision

Render Pass Visualization

Mesh Shading

Hierarchy Z Buffer Generation

Deferred Shading

GBuffer0	GBuffer1	GBuffer2	Result

Shadow Map(Spot Light Shadow)

Cascade Shadow Map(Directional Light Shadow)

Omnidirectional Shadow Map(Point Light Shadow)

Percentage Closer Filtering

PCF OFF	Uniform Sampling	Poisson Sampling

Percentage Closer Soft Shadows

PCSS OFF	Uniform Sampling	Poisson Sampling

Image Based Lighting

Spherical Harmonic Projection

Split Sum

Roughness=0.8	Roughness=0.6	Roughness=0.4	Roughness=0.2	Roughness=0.0

Path Tracing (Render in 1000 SPP)

Matte	Metal	Plastic	Mirror

Substrate	Glass	Disney

Bloom

Bloom OFF	Bloom ON

Fast Approximate Anti-Aliasing (FXAA)

FXAA OFF	FXAA ON

Curve Modeling

Surface Modeling

Loop Subdivision

Origin	Iteration #1	Iteration #2	Iteration #3	Iteration #4

Minimum Surface

Origin	Minimum Surface

Tutte Parameterization

Origin Mesh

	UV Visualization	Parameterization Visualization
Circle Boundary + Uniform Weight
Rectangle Boundary + Uniform Weight
Circle Boundary + Cotangent Weight
Rectangle Boundary + Cotangent Weight

• ImFileDialog
• ImGuizmo
• assimp
• cereal
• DirectXCompiler
• eigen
• entt
• glm
• glslang
• imgui
• imgui-node-editor
• stb
• VulkanMemoryAllocator
• volk
• Vulkan-Headers
• oneTBB
• meshoptimizer
• spdlog
• SDL
• SPIRV-Cross

• https://www.pbr-book.org/
• http://www.realtimerendering.com/
• https://learnopengl-cn.github.io/
• https://hazelengine.com/
• https://advances.realtimerendering.com/s2015/aaltonenhaar_siggraph2015_combined_final_footer_220dpi.pdf
• https://www.gdcvault.com/play/1024612/FrameGraph-Extensible-Rendering-Architecture-in
• https://github.com/SaschaWillems/Vulkan
• https://github.com/KhronosGroup/Vulkan-Samples
• https://github.com/wdas/brdf
• http://blog.selfshadow.com/publications/s2015-shading-course/burley/s2015_pbs_disney_bsdf_notes.pdf.
• https://www.froyok.fr/blog/2021-12-ue4-custom-bloom/