BACKGROUND The present invention relates generally to graphics pro cessing, and more
particularly to using shader hardware to perform cylindrical wrap** in a graphics …

(57) ABSTRACT A programmable logic device is programmed to perform arithmetic
operations in an internal format that, unlike known standard formats that store numbers in …

(57) ABSTRACT A specialized processing block for a programmable logic device includes
circuitry for performing multiplications and sums thereof, as well as circuitry for rounding the …

(57) ABSTRACT A specialized processing block for a programmable logic device
incorporates a fundamental processing unit that per forms a sum of two multiplications …

3,473,160 A 10, 1969 Wahlstrom 3,697,734 A 10, 1972 Booth et al. 3,800,130 A 3, 1974
Martinson et al. 3,814,924 A 6, 1974 Tate 3,896,299 A 7, 1975 Rhodes 4,156,927 A 5/1979 …

4.215. 406 A 7, 1980 Gomola et al. before adding. In one embodiment, this allows all but the
final 42 15.407 A 7, 1980 Gomola et al. addition to take place in specialized processing …

5,841,444 A 11, 1998 Mun 6,023,281 A 2/2000 Grigor et al. 6,078.339 A 6, 2000 Meinerth et
al. 6, 191,800 B1 2/2001 Arenburg et al. 6,259,461 B1 7/2001 Brown graphics device …

(57) ABSTRACT A method to discard pixels early includes a first early depth test maintaining
a depth value on a pixel to be discarded by a discard instruction, and a second early depth …

3,473,160 A 10, 1969 Wahlstrom 4,156,927 A 5/1979 McElroy et al. 4,179,746 A 12, 1979
Tubbs 4.212, 076 A 7, 1980 Conners 4,215,406 A 7, 1980 Gomola et al. 4,215.407 A 7 …

The present embodiments relate to integrated circuits with circuitry that implements floating-
point trigonometric func tions. The circuitry may include an approximation circuit that …