March 2013
Intermediate to advanced
984 pages
26h 18m
English
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
Content preview from OpenGL Programming Guide: The Official Guide to Learning OpenGL, Version 4.3, Eighth Edition
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Clipping
Occasionally, vertices will be outside of the viewport—the region of the window where you’re permitted to draw—and cause the primitive associated with that vertex to be modified so none of its pixels are outside of the viewport. This operation is called clipping and is handled automatically by OpenGL.