Monte Carlo Path Tracer in GLSL

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 path termination
• BVH acceleration structure (SAH construction)
• Quasi-Monte Carlo low-discrepancy sampling with Sobol sequences
• OpenImageDenoise (OIDN)

Showcase

Written by Zachary Leong