book
OpenGL Programming Guide: The Official Guide to Learning OpenGL, Version 4.3, Eighth Edition
by Dave Shreiner, Graham Sellers, John M. Kessenich, Bill M. Licea-Kane
March 2013
Intermediate to advanced
984 pages
26h 18m
English
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Instanced Vertex Attributes
Instanced vertex attributes behave similarly to regular vertex attributes. They are declared and used in exactly the same way inside the vertex shader. On the application side, they are also configured in the same way as regular vertex attributes. That is, they are backed by buffer objects, can be queried with glGetAttribLocation(), set up using glVertexAttribPointer(), and enabled and disabled using glEnableVertexAttribArray() and glDisableVertexAttribArray(). The important new function that allows a vertex attribute to become instanced is as follows:
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