Graphics processing with transcendental function generator
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United States of America Patent
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Jan 30, 2001
Grant Date -
N/A
app pub date -
Jul 15, 1999
filing date -
Jul 17, 1998
priority date (Note) -
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status (Latency Note)
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Abstract
A graphics processor for processing vertices of a polygon includes an input for receiving an instruction for processing a given vertex, memory for storing a first lookup table and a second lookup table, and an interpolation engine that, responsive to receipt of the instruction from the input, selects one of the lookup tables, determines table output from the one of the lookup tables, and produces an output value based upon the table output and data relating to the given vertex. Each of the first and second lookup tables may correspond to a selected function and contains table output as a function of an input value. The input value corresponds to data relating to the given vertex.
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