MB86296 Datasheet, PDF (297/352 Pages) Fujitsu Component Limited. – PCI Graphics Controller Specification

FUJITSU LIMITED PRELIMINARY AND CONFIDENTIAL
(Texture coordinates-setting register)
Register Address 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Ss 00c0H S S S
Int
Frac
dSdx 00c4H S S S
Int
Frac
dSdy 00c8H S S S
Int
Frac
Ts 00ccH S S S
Int
Frac
dTdx 00d0H S S S
Int
Frac
dTdy 00d4H S S S
Int
Frac
Qs 00d8H 0 0 0 0 0 0 0 Int
Frac
dQdx 00dcH S S S S S S S Int
Frac
dQdy 00e0H S S S S S S S Int
Frac
Address
S
0
Int
Frac
Offset from DrawBaseAddress
Sign bit or sign extension
Not used or 0 extension
Integer or integer part of fixed point data
Fraction part of fixed point data
Sets texture coordinates parameters for triangle drawing
Ss
S texture coordinates (Xs, Ys, Zs) of long edge corresponding to Ys
dSdx
S DDA value of horizontal direction
dSdy
S DDA value of long edge direction
Ts
T texture coordinates (Xs, Ys, Zs) of long edge corresponding to Ys
dTdx
T DDA value of horizontal direction
dTdy
T DDA value of long edge direction
Qs
Q (Perspective correction value) of texture at (Xs, Ys, Zs) of long edge corresponding to Ys
dQdx
Q DDA value of horizontal direction
dQdy
Q DDA value of long edge direction
MB86296S <Coral-PA>
287
Specification Manual Rev0.1