NUC970 Technical Reference Manual
Publication Release Date: Dec. 15, 2015
- 1019 -
Revision V1.30
NUC97
0
T
E
CHNIC
A
L
RE
F
E
RE
N
CE
MA
NUA
L
Graphic Engine Control Register
Register
Offset
R/W
Description
Reset Value
GE2D_CTL
0x020
R/W
Graphic Engine Control Register
0x0000_0000
31
30
29
28
27
26
25
24
ROP
23
22
21
20
19
18
17
16
CMD
APABLDEN
LNSTLEN
BLNMD
LPDM/SCLMD
GE2DIEN
ADDRMD
15
14
13
12
11
10
9
8
TRANSMD
MTS
CTS
CTP
AU
CLPEN
CLPCTL
7
6
5
4
3
2
1
0
SRCDT
SRCDS
PATDT
DRAWDIR
DSTDATD
Bits
Description
[31:24]
ROP
ROP (Raster Operation Code)
It supports all Microsoft 256 Raster Operation Codes. Each raster operation code is an 8-bit
value that represents the result of the Boolean operation on pre-defined pattern, source, and
destination.
[23:22]
CMD
Graphics Engine Command
00 = No operation.
01 = BitBLT acceleration.
10 = Bresenham Line Draw acceleration.
11 = Rectangle Border drawing.
[21]
APABLDEN
Alpha Blending Enable
0 = Alpha blending disabled.
1 = Alpha blending enabled.
[20]
LNSTLEN
Line Style Enable
0 = Line style disabled.
1 = Line style enabled.
[19]
BLNMD
Bresenham Line Move/Draw
0 = Move.
1 = Draw.