Nebula

A cross-platform rendering engine built with Vulkan.

Features

• Supports Windows and macOS
• GPU-driven rendering
• Vulkan raytracing support
• User interface with ImGui
• GLTF loading
• Gamepad Support
• Basic Scene system
  • Slot pools with generational handles for data management
  • Geometry
    • Single Vertex and Index buffer
    • Bottom-Level AS management with a single backing buffer
  • Per-geometry batched instanced rendering
  • Textures
  • Materials
  • Top-Level AS Management
    • Compute-based data updates using the existing instance data
    • Used for shadows, ambient occlusion and object selection
• Rendering techniques
  • Deferred shading
  • Screen-space and raytraced ambient occlusion
  • PBR Lighting
  • Raytraced shadows
  • Anti-aliasing (FXAA)
  • Rayleigh-Mie Procedural Sky
    • Directional Light
  • Multiple lights, Runtime editing via UI
  • Frustum Culling
    • Debug Shader for AABB visualization
  • [WIP] Dual Kawase blur bloom for emissive materials.
  • [WIP] Pure Raytracing with shadows and reflections
• Toy voxel terrain generator for test scenes