[DirectX 3 Programmer's Reference] Z (50%)

Glossary

[DirectX 7 Programmer's Reference] Z (39.6825396825397%)

Microsoft DirectX 7.0 > Glossary

[DirectX 5 Programmer's Reference] Z (38.8888888888889%)

DirectX Foundation > Glossary

[DirectX 6 Programmer's Reference] Z (38.8888888888889%)

DirectX Foundation > Glossary

[DirectX 3 Programmer's Reference] Z-Buffers (16.4963132468853%)

DirectDraw > DirectDraw Overview > Support for 3D Surfaces

[DirectX 2 Programmer's Reference] Z-Buffers (15.9480676328502%)

DirectDraw > Overview > Support for 3D Surfaces

[DirectX 2 Programmer's Reference] Z-Buffers (14.2606209150327%)

Direct3D > Direct3D Overview > Performance Optimization

[DirectX 3 Programmer's Reference] Z-Buffers (14.2606209150327%)

Direct3D > Direct3D Overview > Performance Optimization

[DirectX 6 Programmer's Reference] Z-Buffers and Overlays (13.383536753102%)

DirectX Media > Direct3D Retained Mode > Technical Background

[DirectX 5 Programmer's Reference] Z-Buffers (12.1909633418585%)

DirectX Foundation > Direct3D Immediate Mode > Direct3D Immediate-Mode Essentials > Direct3D Integration with DirectDraw

[DirectX 5 Programmer's Reference] Z Buffers in Retained-Mode (10.8756566014631%)

DirectX Media > Direct3D Retained-Mode > Direct3D Retained-Mode Overview > Direct3D Retained-Mode Architecture

[DirectX 5 Programmer's Reference] Z-Buffer Performance (10.3159633418585%)

DirectX Foundation > Direct3D Immediate Mode > Direct3D Immediate-Mode Essentials > Performance Optimization

[DirectX 6 Programmer's Reference] Z-Buffer Performance (10.3159633418585%)

DirectX Foundation > Direct3D Immediate Mode > Direct3D Immediate Mode Essentials > Performance Optimization

[DirectX 7 Programmer's Reference] Z-Buffer Performance (10.3159633418585%)

Microsoft DirectX 7.0 > Direct3D > Direct3D Immediate Mode > Direct3D Immediate Mode Essentials > Performance Optimization

[DirectX 7 Programmer's Reference] Z-Buffers and Overlays (5.90909090909091%)

Microsoft DirectX 7.0 > Appendix > Direct3D Retained Mode > Technical Background