User's Manual

Intel® 815 Chipset: Graphics Controller PRM, Rev 1.0
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Figures
Figure 1. Intel
â
815 Chipset System Block Diagram......................................................... 18
Figure 2. Intel
®
82815 Chipset GMCH Block Diagram...................................................... 19
Figure 3. Conceptual Platform PCI Configuration Diagram .............................................. 23
Figure 4. Device Mode Auto-Detect Flowchart ................................................................. 25
Figure 5. System Memory Address Map........................................................................... 29
Figure 6. Detailed Memory System Address Map............................................................. 29
Figure 7. Graphics Controller Register Memory and I/O Map........................................... 30
Figure 8. GTT Mapping ..................................................................................................... 42
Figure 9. Source Corruption in BLT with Overlapping Source and Destination Locations 54
Figure 10. Correctly Performed BLT with Overlapping Source and Destination Locations. 55
Figure 11. Suggested Starting Points for Possible Source & Destination Overlap
Situations ...................................................................................................... 56
Figure 12. Representation of On-Screen Single 6-Pixel Line in the Frame Buffer ............. 57
Figure 13. Representation of On-Screen 6x4 Array of Pixels in the Frame Buffer ............. 58
Figure 14. Pattern Data -- Always an 8x8 Array of Pixels ................................................... 60
Figure 15. 8bpp Pattern Data -- Occupies 64 Bytes (8 quadwords) ................................... 61
Figure 16. 16bpp Pattern Data -- Occupies 128 Bytes (16 quadwords) ............................. 61
Figure 17. 24bpp Pattern Data -- Occupies 256 Bytes (32 quadwords) ............................. 61
Figure 18. 2bpp Pattern Data -- Occupies 256 Bytes (32 quadwords) ............................... 62
Figure 19. On-Screen Destination for Example Pattern Fill BLT ........................................ 63
Figure 20. Pattern Data for Example Pattern Fill BLT......................................................... 64
Figure 21. Results of Example Pattern Fill BLT .................................................................. 65
Figure 22. On-Screen Destination for Example Character Drawing BLT............................ 66
Figure 23. Source Data in System Memory for Example Character Drawing BLT ............. 66
Figure 24. Results of Example Character Drawing BLT ..................................................... 68
Figure 25 Display Fields and Dimensions CRxx Control Registers ................................. 110
Figure 26. Graphics Controller Instruction Interface ......................................................... 143
Figure 27. Ring Buffers .................................................................................................... 144
Figure 28. Batch Buffer Sequence .................................................................................... 146
Figure 29. Instruction Format For First DWord ................................................................. 150
Figure 30. Rectangle Vertices ........................................................................................... 205
Figure 31. State Variable Relationships ............................................................................ 214
Figure 32. State Variable Relationships ........................................................................... 215
Figure 33. State Variable Relationships ............................................................................ 217
Figure 34 Mip-map Surface Organization Example ......................................................... 218
Figure 35. State Variable Relationships ............................................................................ 222
Figure 36. State Variable Relationships ............................................................................ 224
Figure 37. State Variable Relationships ............................................................................ 225
Figure 38. State Variable Relationships ............................................................................ 226
Figure 39. State Variable Relationships ............................................................................ 227
Figure 40. State Variable Relationships ............................................................................ 230
Figure 41. Gamma Correction Unit Block Diagram........................................................... 271