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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

github.com/mmp/pbrt-v3 · homepage · C++ · BSD-2-Clause (permissive) 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

Full methodology

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

Member repositories

RepositoryRoleHealth v2
mmp/pbrt-v3main32

For agents

markdown · JSON · MCP: product_card(name="mmp/pbrt-v3")

Data as of 2026-08-30T08:39:29.467469+00:00 · Report a problem