Level Up Your Game Dev Journey

HiPR: Smarter Path Tracing for Responsive Games and Tools

Hierarchical Progressive Rendering (HiPR) is a new path-tracing technique that makes interactive edits feel far more responsive without sacrificing physical accuracy. Instead of re-rendering every pixel equally after a change, HiPR tracks how that edit propagates via light transport—through reflections, shadows, and indirect light—and prioritizes the tiles where it matters most. The result is that artists, level designers, and game e...