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DirectX 8.1 (Visual Basic) > DirectX Graphics > Programmers Guide > Using Direct3D > Viewports and Clipping

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DirectX 8.1 (C++) > DirectX Graphics > Programmers Guide > Using Direct3D > Viewports and Clipping

[DirectX 8.1 Visual Basic Programmer's Reference] Viewport Rectangle (27.7452123040358%)

DirectX 8.1 (Visual Basic) > DirectX Graphics > Programmers Guide > Using Direct3D > Viewports and Clipping

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Microsoft DirectX 7.0 > Direct3D > Direct3D Immediate Mode > Direct3D Immediate Mode Essentials > Geometry Pipeline > Viewports and Clipping