2D global illumination
Aura
Real-time 2D global illumination for layered scenes.
Aura computes 2D global illumination with hierarchical radiance cascades — emitters and occluders in, softly lit scenes out, at interactive rates on the GPU.

Capabilities
Radiance cascades
Hierarchical radiance cascades give stable, noise-free bounce light without per-frame convergence.
TOP-native
Emitter and occluder maps in, lit output out — it composes like any other TOP chain.
Requirements
- Windows 10/11 x64
- CUDA-capable NVIDIA GPU