Intel 815 manual Opcode 2h, Reserved 00h Mip Mode Filter Valid values are

Models: 815

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Intel® 815 Chipset: Graphics Controller PRM, Rev 1.0

R

DWord

Bit

Description

031:29 Client : 03h – Rendering Engine

28:24

3DState16 : 1Ch

23:19

Opcode : 2h

 

 

18:17

Reserved: 00h (Additional Maps)

 

 

16

Update Map Index : The valid range is 0–1.

 

 

15:13

Reserved: 00h

 

 

12

Anisotropic Filtering Enabled Mask : 0 = Do not update; 1 = Update

 

 

11

Reserved: 00h

10Anisotropic Filtering Enabled: 0 = Disable Anisotropic Filtering 1 = Enable Anisotropic Filtering

9Mip Mode Filter Mask : 0 = Do not update; 1 = Update

8 Reserved: 00h

7:6

Mip Mode Filter : Valid values are :

 

00

= None, Disable mip mapping

 

01

= Nearest, Select the nearest mip map

 

02

= Dithered, Dither between nearest mip maps

 

03

= Linear, interpolate between nearest mip maps (combined with linear min/mag

 

 

filters this is Trilinear filtering).

5Mag Mode Filter Mask : 0 = Do not update; 1 = Update

4 Reserved: 00h

3 Mag Mode Filter : Valid values are :

0 = Nearest

1 = Linear

2Min Mode Filter Mask : 0 = Do not update; 1 = Update

1 Reserved: 00h

00 Min Mode Filter : Valid values are :

0 = Nearest

1 = Linear

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Page 223
Image 223
Intel 815 manual Opcode 2h, Reserved 00h Mip Mode Filter Valid values are