This item is from the PC 3D Graphics Accelerators FAQ, by Blair MacIntyre with numerous contributions by others. (v1.2).
Many of the features discussed in the 3D graphics card brochures may not be meaningful to people not already familiar with 3D graphics. Z-buffering, quadratic texture mapping, gouraud shading, fog, etc., are new to many people. However, in the interest of time and space, I am not going to discuss them here. For a comprehensive introduction, refer to a 3D graphics textbook, such as "Computer Graphics: Principles and Practice" by Foley, van Dam, Feiner and Hughes.
 
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