System and method for rasterizing primitives using direct interpolation
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United States of America Patent
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Aug 3, 2010
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app pub date -
Aug 10, 1999
filing date -
Aug 10, 1998
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Abstract
A system and method for rendering a graphic primitive by linear or perspective interpolation from vertex points. An interpolation engine is employed to interpolate channel values along edges of the primitive to determine values along a scan line containing a selected point. The interpolation engine is then employed to interpolate along the scan line. Processing time may further be reduced by the use of an improved adder/subtractor as a component of the interpolation engine to reduce sequential steps and improve parallelism.
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