User's Manual

Intel® 815 Chipset: Graphics Controller PRM, Rev 1.0
R
219
DWord Bit Description
0 31:29 Client : 03h – Rendering Engine
28:24 3DstateMW : 1Dh
23:16 Opcode : 0h
15:0 DWORD_LENGTH : 2h
1 31:29 Reserved: 00h
28 Update Map Index : The valid range is 0–1.
27 Reserved: 0h
26:24 Surface Format:
0h = 8 bpt (Indexed)
1h = 8 bpt
2h = 16 bpt
3h–4h = Reserved
5h = 4:2:2
6h–7h = Reserved
1 23 Reserved: 0h
1 22:21 Texel/Pixel Format:
8 bpt (Indexed) Surface Format
00 = RGB 565
01 = ARGB 1555
10 = ARGB 4444
11 = AY 88
8 bpt Surface Format
00 = Reserved
01 = Reserved
10 = Reserved
11 = Reserved
16 bpt Surface Format
00 = RGB 565
01 = ARGB 1555
10 = ARGB 4444
11 = AY 88
4:2:2
00 = YCrCb, Swap Y format
01 = YCrCb, Normal
10 = YCrCb, UV Swap
11 = YCrCb, UV/Y Swap
1 20:19 Output Channel Selection: Selects the muxing for the possible 4 channels available
in the surface (at the output of the filter) and the 4 output channels from the Mapping
Engine.
Mapping Engine Output Channels
ME
0
ME
1
ME
2
ME
3
0h = F
0
F
1
F
2
F
3
1h = ⊗ F
0
⊗ F
3
2h = ⊗ F
2
⊗ F
3
3h = Reserved