Patent ID: 6084601
Filing Date: 2000-07-04
Classification: G06T

Abstract:
A conditional texel quad transposer, comprising: first, second, third and fourth texel address inputs for receiving first, second, third and fourth texel addresses, respectively;first, second, third and fourth texel address outputs; andconditional transposer circuitry operable to route said first, second, third and fourth texel addresses to said first, second, third and fourth outputs in such a manner that: the texel address appearing at said first output corresponds to the texel for which the LSBs of the s and t coordinates are 0 and 0, respectively; the texel address appearing at said second output corresponds to the texel for which the LSBs of the s and t coordinates are 0 and 1, respectively; the texel address appearing at said third output corresponds to the texel for which the LSBs of the s and t coordinates are 1 and 0, respectively; and the texel address appearing at said fourth output corresponds to the texel for which the LSBs of the s and t coordinates are 1 and 1, respectively.