WebGL Insights

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12

Sketchfab Material Pipeline

From File Variations to Shader Generation

Cedric Pinson and Paul Cheyrou-Lagrèze

12.1 Introduction

Sketchfab is the online platform to publish, share, and embed interactive 3D content.

With Sketchfab’s real-time viewer (Figure12.1), users can upload and interact with almost

any type of 3D model. Consequently, our architecture demands handling a wide variety

of le types—formats like FBX, COLLADA, Blender, PLY, STL, and OBJ. Each format

describes 3D data, such as geometry and material properties, with diverse techniques.

Geometry is easy to handle. With reasonably standardized component denitions (posi-

tion, te ...