mmp/pbrt-v3
Source code for pbrt, the renderer described in the third edition of "Physically Based Rendering: From Theory To Implementation", by Matt Pharr, Wenzel Jakob, and Greg Humphreys. observed · 2026-08-28
Health v2 · maintenance only
32/100
- Activity 0
- Release rhythm 35
- Longevity 100
Flags: no_releases
How is this computed?
round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10) — computed 2026-09-03. Adoption (stars, forks) is never an input.
- gap_med: n/a
- age_days: 4097
- days_rel: n/a
- days_push: 1095
- n_releases_24m: 0
Adoption not part of the score
5076 stars · 1207 forks observed · 2026-08-28
What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-29, confidence not recorded
pbrt-v3 is the C++ source code for the physically based rendering system described in the third edition of the book 'Physically Based Rendering: From Theory to Implementation'. It is a cross-platform offline renderer that reads pbrt scene description files and produces photorealistic images via ray tracing.
Use cases
- render photorealistic images from scene description files
- learn physically based rendering by studying a complete renderer implementation
- teach university computer graphics and rendering courses
- experiment with BRDFs, cameras, and light transport algorithms
- render example scenes for research or benchmarking
- extend a renderer with new shapes, materials, or samplers
When to choose
- you want a well-documented, academically rigorous renderer tied to a free textbook
- you are teaching or learning rendering theory with matching source code
- you need a BSD-licensed ray tracer to modify for research
When to avoid
- you need a production renderer with GPU acceleration or an active feature roadmap (consider pbrt-v4 or a commercial renderer)
- you want real-time rendering or game-engine integration
- you need a maintained tool - v3 is in maintenance mode while development focuses on the fourth edition
Facets
application · maturity maintenance
graphics simulation cli graphics education computer-vision windows cpp cross-platform ray-tracing physically-based-rendering renderer computer-graphics path-tracing textbook-companion linux macos
3 sources
- readme: https://github.com/mmp/pbrt-v3 · fetched 2026-08-28 · ced415092a55
- homepage: http://pbrt.org · fetched 2026-08-29 · 2b381f37f5ec
- site_page: https://pbrt.org/faqs.html · fetched 2026-08-29 · 706e063e6367
Member repositories
| Repository | Role | Health v2 |
|---|---|---|
| mmp/pbrt-v3 | main | 32 |
For agents
Data as of 2026-08-30T08:39:29.467469+00:00 · Report a problem