GPU Monte Carlo Path Tracer

Published on Tue Mar 03 2026 08:18:00 GMT+0000 (Coordinated Universal Time) by Zachary Leong

Features

• multiple importance sampling (MIS)
• next event estimation (NEE)
• microfacet BRDF + BTDF
• thin lens depth of field
• russian roulette
• BVH acceleration structure (SAH construction)
• quasi-monte carlo low-discrepancy sampling with Sobol sequences
• OpenImageDenoise (OIDN)
• per-triangle materials

Showcase

Written by Zachary Leong