Intel 815 Manuel D’Utilisation

Intel

Intel® 815 Chipset: Graphics Controller PRM, Rev 1.0

R

11

Figures

815 Chipset System Block Diagram......................................................... 18

82815 Chipset GMCH Block Diagram...................................................... 19

Conceptual Platform PCI Configuration Diagram .............................................. 23

Device Mode Auto-Detect Flowchart ................................................................. 25

System Memory Address Map........................................................................... 29

Detailed Memory System Address Map............................................................. 29

Graphics Controller Register Memory and I/O Map........................................... 30

GTT Mapping ..................................................................................................... 42

Source Corruption in BLT with Overlapping Source and Destination Locations 54

Correctly Performed BLT with Overlapping Source and Destination Locations. 55

Figure 11.

Suggested Starting Points for Possible Source & Destination Overlap

Situations ...................................................................................................... 56

Representation of On-Screen Single 6-Pixel Line in the Frame Buffer ............. 57

Representation of On-Screen 6x4 Array of Pixels in the Frame Buffer ............. 58

Pattern Data -- Always an 8x8 Array of Pixels ................................................... 60

8bpp Pattern Data -- Occupies 64 Bytes (8 quadwords) ................................... 61

16bpp Pattern Data -- Occupies 128 Bytes (16 quadwords) ............................. 61

24bpp Pattern Data -- Occupies 256 Bytes (32 quadwords) ............................. 61

2bpp Pattern Data -- Occupies 256 Bytes (32 quadwords) ............................... 62

On-Screen Destination for Example Pattern Fill BLT ........................................ 63

Pattern Data for Example Pattern Fill BLT......................................................... 64

Results of Example Pattern Fill BLT .................................................................. 65

On-Screen Destination for Example Character Drawing BLT............................ 66

Source Data in System Memory for Example Character Drawing BLT ............. 66

Results of Example Character Drawing BLT ..................................................... 68

Display Fields and Dimensions CRxx Control Registers ................................. 110

Graphics Controller Instruction Interface ......................................................... 143

Ring Buffers .................................................................................................... 144

Batch Buffer Sequence .................................................................................... 146

Instruction Format For First DWord ................................................................. 150

Rectangle Vertices........................................................................................... 205

State Variable Relationships ............................................................................ 214

State Variable Relationships ........................................................................... 215

State Variable Relationships ............................................................................ 217

Mip-map Surface Organization Example ......................................................... 218

State Variable Relationships ............................................................................ 222

State Variable Relationships ............................................................................ 224

State Variable Relationships ............................................................................ 225

State Variable Relationships ............................................................................ 226

State Variable Relationships ............................................................................ 227

State Variable Relationships ............................................................................ 230

Gamma Correction Unit Block Diagram........................................................... 271