Essential Guide to RenderMan Shading Plugin Development: Understanding Bxdfs Front Cover

Essential Guide to RenderMan Shading Plugin Development: Understanding Bxdfs

  • Length: 150 pages
  • Edition: 1
  • Publisher:
  • Publication Date: 2023-07-07
  • ISBN-10: 1484293916
  • ISBN-13: 9781484293911

Understand the fundamentals of Bxdf plugins for RenderMan® 21+, both the technical details and API architecture. The main goal of the book is to enable technical artists, hobbyists, and students in using the noncommercial (NCR), free RenderMan® edition.  RenderMan® is an industry standard for rendering software. It has been used for every Pixar film to date and numerous other projects. RenderMan® 21, and all subsequent versions, use Monte Carlo path tracing. This change has necessitated the use of C++ plugins in place of the RenderMan Shader Language (RSL). Because of this, writing Bxdfs now requires knowledge of Monte Carlo integration, probability density functions, and the RenderMan® C++ API.  Essential Guide to RenderMan® Shading Plugin Development specifically addresses writing RenderMan® C++ materials. It explores the mathematical models of representative Bxdfs while drawing parallels, when helpful, to earlier RSL implementations. It also includes an overview of Integrators, providing further context for modern RenderMan® programmable shading.

What You Will Learn

  • C++ development for Bxdfs
  • Fundamentals of the rendering equation
  • Monte Carlo integration

Who Is This Book For

Beginner plugin writers for RenderMan®, such as technical artists, students, or hobbyists who may already have experience with RSL or another shader language. More experienced C++ developers without knowledge of RenderMan® or Monte Carlo path tracing will benefit from the content as well. While some prior experience in computer graphics is helpful, the book provides background and references for further study.

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