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TVP4020
Programmers Reference Manual
Memory I/O and Organization
31
The color format information needs to be stored in three places: the
DitherMode register
1
, the AlphaBlendMode register
2
and the
TextureDataFormat register.
Internal Color Channels
Forma
t
Color
Order
Name
R/Y
G/U
B/V
A
BGR
0
BGR
8:8:8:8
8@0
8@8
8@16
8@24
1
BGR
5:5:5:1Front
5@0
5@5
5@10
1@15
2
BGR
4:4:4:4
4@0
4@4
4@8
4@12
5
BGR
3:3:2Front
3@0
3@3
2@6
0
6
BGR
3:3:2Back
3@8
3@11
2@14
0
9
BGR
2:3:2:1Front
2@0
3@2
2@5
1@7
10
BGR
2:3:2:1Back
2@8
3@10
2@13
1@15
11
BGR
2:3:2FrontOff
2@0
3@2
2@5
0
12
BGR
2:3:2BackOff
2@8
3@10
2@13
0
13
BGR
5:5:5:1Back
5@16
5@21
5@26
1@31
16
BGR
5:6:5Front
5@0
6@5
5@11
0
17
BGR
5:6:5Back
5@16
6@21
5@27
0
YUV
18
BGR
YUV444
8@0
8@8
8@16
8@24
19
BGR
YUV422
8@0
8@8
8@8
0
RGB
0
RGB
8:8:8:8
8@16
8@8
8@0
8@24
1
RGB
5:5:5:1Front
5@10
5@5
5@0
1@15
2
RGB
4:4:4:4
4@8
4@4
4@0
4@12
5
RGB
3:3:2Front
3@5
3@2
2@0
0
6
RGB
3:3:2Back
3@13
3@10
2@8
0
9
RGB
2:3:2:1Front
2@5
3@2
2@0
1@7
10
RGB
2:3:2:1Back
2@13
3@10
2@8
1@15
11
RGB
2:3:2FrontOff
2@5
3@2
2@0
0
12
RGB
2:3:2BackOff
2@13
3@10
2@8
0
13
RGB
5:5:5:1Back
5@26
5@21
5@16
1@31
16
RGB
5:6:5Front
5@11
6@5
5@0
0
17
RGB
5:6:5Back
5@27
6@21
5@16
0
YUV
18
RGB
YUV444
8@16
8@8
8@0
8@24
19
RGB
YUV422
8@8
8@8
8@0
0
CI
14
-
CI8
8@0
0
0
0
15
-
CI4
4@0
0
0
0
Table 4.1
Supported Color Formats
1
Note: the DitherMode register does not support the YUV444, YUV422 or CI4 formats.
2
Note: the AlphaBlendMode register does not support the YUV444, YUV422 or CI4
formats.
Summary of Contents for TVP4020 PERMEDIA 2
Page 1: ...Texas Instruments TVP4020 PERMEDIA 2 Programmer s Reference Manual Issue 4 ...
Page 284: ...TVP4020 Programmers Reference Manual A Gouraud Shaded Triangle 275 ...
Page 292: ...TVP4020 Programmers Reference Manual Register Tables 283 ...
Page 314: ...TVP4020 Programmers Reference Manual Index 305 ...
Page 315: ...Index TVP4020 Programmers Reference Manual 306 Index ...
Page 323: ...Index TVP4020 Programmers Reference Manual 314 ...