OpenGL Programming Guide: The Official Guide to Learning OpenGL, Version 4.3, Eighth Edition

Specifying the Primitive Generation Domain

We’ll now describe the parameters that you will use to set up the tessellation evaluation shader’s out layout directive. First, we’ll talk about specifying the tessellation domain. As you’ve seen, There are three types of domains used for generating tessellation coordinates, which are described in Table 9.2.

Table 9.2. Evaluation Shader Primitive Types