Advanced Texture Lookup Functions

In addition to simple texturing functions such as texture and texelFetch, several more variants of the texture fetch functions are supported by the shading language. These are covered in this subsection.

Get OpenGL Programming Guide: The Official Guide to Learning OpenGL, Version 4.3, Eighth Edition now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.