
2
V
glTF: Designing
an Open-Standard
Runtime Asset Format
Fabrice Robinet, R´emi Arnaud,
Tony Parisi, and Patrick Cozzi
2.1 Introduction
This chapter presents work by the COLLADA Working Group in the Khronos
Group to provide a bridge between interchange asset formats and the runtime
graphics APIs. We present the design of glTF, an open-standard transmission-
format that bridges the gap between COLLADA and engines based on WebGL,
OpenGL, and OpenGL ES. glTF strives to provide a common foundation for
developers to efficiently load assets into their engine. We discuss the format
itself, the open-source content pipeline tool that converts COLLADA to glTF,
andR