Dxcpl 64 Bit Full Access Toĭirect3D 9Ex: allows full access to the new capabilities of WDDM (if WDDM drivers are installed) while maintaining compatibility for existing Direct3D applications.ĭirect3D 10 for DirectX 10: Designed around the new driver model in Windows Vista and featuring a number of improvements to rendering capabilities and flexibility, including Shader Model 4. This is the only API available if there are only XP graphic drivers (XDDM) installed, after an upgrade to Vista for example. Here are a list of some improvements and modifications to the DirectX series up until the release of DirectX 10: Direct3D 9: emulates Direct3D 9 behavior as it was on Windows XP.ĭetails and advantages of Vistas Windows Display Driver Model are hidden from the application if WDDM drivers are installed.

The DirectPlay DPLAY.DLL was also removed and was replaced with dplayx.dll games that rely on this DLL must duplicate it and rename it to dplay.dll. DirectX includes security and performance updates, along with many new features across all technologies, which can be accessed by applications using the DirectX APIs.

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