Intel® 815 Chipset: Graphics Controller PRM, Rev 1.0

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13.11.GFXRENDERSTATE_MAP_PALETTE_LOAD

The Texture Palette is loaded using the following instruction. All 256 entries of the texture palette must be loaded every time this command packet is sent. In other words, even if only one entry of the texture palette needs to be updated, all 256 entries must be loaded and sent using this command packet.

Figure 38. State Variable Relationships

Coordinate Sets

Map Information

Texels

Blending Stages

DWord

Bit

Description

 

 

 

0

31:29

Client : 03h – Rendering Engine

 

 

 

 

28:24

3DStateMWNP(Non-pipelined) : 1Dh

 

 

 

 

23:16

Opcode : 82h

 

 

 

 

15:0

DWORD_LENGTH : 255

 

 

 

1

31:16

Reserved: 00h

 

 

 

 

15:0

16-bit Color[0]: Format: RGB 565/1555/4444, YCrCb 565 or AI 88

 

 

 

2–255

 

 

 

 

256

31:16

Reserved: 00h

 

 

 

 

15:0

16-bit Color[255]: Format: RGB 565/1555/4444, YCrCb 565 or AI 88

 

 

 

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Intel 815 manual Gfxrenderstatemappaletteload, 3DStateMWNPNon-pipelined 1Dh, Opcode 82h