Optional DirectX 9.0 Driver Support
The following sections describe features that DirectX 9.0 drivers can implement if their hardware supports such features.
Controlling Multiple-Sample Rendering
Supporting Nonstandard Display Modes
Supporting Multiple-Head Hardware
Supporting Stretch Blit Operations
Rendering to Multiple Targets Simultaneously
Clamping Fog Intensity Per Pixel
Modifying Vertex Stream Frequency
Supporting Single-Pixel-Wide Antialiased Lines
Supporting High-Order Patched Surfaces
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