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A new user-mode driver model called the User-Mode Driver Framework. In Windows Vista, WDDM display drivers have two components, a kernel mode driver (KMD) that is very streamlined, and a user-mode driver that does most of the intense computations. With this model, most of the code is moved out of kernel mode.
Windows Display Driver Model (WDDM, [1] initially LDDM as Longhorn Display Driver Model and then WVDDM in times of Windows Vista) is the graphic driver architecture for video card drivers running Microsoft Windows versions beginning with Windows Vista. [2]
The driver can be installed on Windows 2000, Windows XP, Windows Server 2003, Windows Vista, Windows 7, Windows 8, [3] Windows 10, Windows Server 2008, Windows Server 2008 R2. [1] Support for Windows NT was dropped in version 0.30. [4] The program Ext2Mgr can optionally be installed additionally to manage drive letters and such. Since 2017 the ...
In Windows Vista, the Windows Display Driver Model (WDDM) does not support two different display adapters. When using two display adapters, both must use the same WDDM driver. Although Windows Vista still supports XPDM drivers, a WDDM driver is required for the Windows Aero user experience. [54] [55]
Prior to Windows Vista, Kernel Streaming offered only a single client-to-driver communication protocol with buffer chain, as used in MME. Starting from Vista, new Real-Time Audio ( RT Audio , not to be confused with the RTAudio codec ) protocol is introduced, based on a single circular buffer .
WMI extensions for WDM offer a set of Windows device driver interfaces for instrumenting data within the driver models native to Windows, so OEMs and IHVs can easily extend the instrumented data set and add value to a hardware/software solution. The WMI Driver Extensions, however, are not supported by Windows Vista and later operating systems. [11]
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Windows SideShow (codenamed Auxiliary Display) was a feature by Microsoft introduced in Windows Vista to supply information such as e-mail, instant messages, and RSS feeds from a personal computer to a local or remote peripheral device or display.