[DirectX 7 Programmer's Reference] Depth Buffers (43.629288297028%)

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

[DirectX 8.1 Visual Basic Programmer's Reference] Depth Buffers (41.5212981744422%)

DirectX 8.1 (Visual Basic) > DirectX Graphics > Programmers Guide > Using Direct3D > Rendering > Fog, Alpha Blending, Depth Buffers

[DirectX 8.1 C/C++ Programmer's Reference] Depth Buffers (41.1343012704174%)

DirectX 8.1 (C++) > DirectX Graphics > Programmers Guide > Using Direct3D > Rendering > Fog, Alpha Blending, and Depth Buffers

[DirectX 6 Programmer's Reference] Depth Buffers (40.181012434959%)

DirectX Foundation > Direct3D Immediate Mode > Direct3D Immediate Mode Essentials

[DirectX 6 Programmer's Reference] Depth Buffering State (26.9868637110016%)

DirectX Foundation > Direct3D Immediate Mode > Direct3D Immediate Mode Essentials > Direct3D Devices > Using Devices > Rendering > Render States

[DirectX 7 Programmer's Reference] Depth Buffering State (25.5478716685613%)

Microsoft DirectX 7.0 > Direct3D > Direct3D Immediate Mode > Direct3D Immediate Mode Essentials > Direct3D Devices > Device States > Render States

[DirectX 8.1 C/C++ Programmer's Reference] Depth Buffering State (24.6858027030441%)

DirectX 8.1 (C++) > DirectX Graphics > Programmers Guide > Direct3D Appendix > Device States > Render States

[DirectX 8.1 Visual Basic Programmer's Reference] Depth Buffering State (24.6858027030441%)

DirectX 8.1 (Visual Basic) > DirectX Graphics > Programmers Guide > Direct3D Appendix > Device States > Render States