Interactive 3D Graphics for the Masses David B. Kirk NVidia The most exciting part of computer graphics is interactivity -- the ability to affect, influence and be part of the environment rather than to be simply an observer. Ten years ago, an interactive 3D graphics workstation was a device that was only found in university research laboratories or in corporate engineering centers. It was not possible for the average person to have the experience of interacting with a synthetic 3D environment. AsVLSI chip transistor feature sizes have gotten smaller and smaller, however, it has become possible to construct a high-performance interactive 3D graphics system for less and less cost.Today, it is possible to mass-produce a chip containing over 3 million transistors for less that $30. This is approximately the complexity of Intel's original Pentium TM processor. At the same time, over the past 10 years many of the more advanced realistic rendering techniques have passed from purely research topics to components of practical applications. As originally proposed, the radiosity technique permitted innovative new global illumination effects, at a very large computational cost. The solution techniques for radiosity have improved over the intervening years to bridge the gap even
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