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Microsoft DirectX is a collection of application programming interfaces (APIs) for handling tasks related t...
Microsoft DirectX is a collection of application programming interfaces (APIs) for handling tasks related to multimedia, especially game programming and video, on Microsoft platforms. Originally, the names of these APIs all began with Direct, such as Direct3D, DirectDraw, DirectMusic, DirectPlay, DirectSound, and so forth. DirectX, then, was the generic term for all of these APIs and became the name of the collection. After the introduction of the Xbox, Microsoft has also released multiplatform game development APIs such as XInput, which are designed to supplement or replace individual DirectX components. Direct3D (the 3D graphics API within DirectX) is widely used in the development of computer games for Microsoft Windows, Microsoft Xbox, and Microsoft Xbox 360. Direct3D is also used by other software applications for visualization and graphics tasks such as CAD/CAM engineering. As Direct3D is the most widely publicized component of DirectX, it is common to see the names "DirectX" and "Direct3D" used interchangeably. The DirectX software development kit (SDK) consists of runtime libraries in redistributable binary form, along with accompanying documentation and headers for use in coding. Originally, the runtimes were only installed by games or explicitly by the user. Windows 95 did not launch with DirectX, but DirectX was included with Windows 95 OEM Service Release 2.[1] Windows 98 and Windows NT 4.0 both shipped with DirectX, as has every version of Windows released since. The SDK is available as a free download. While the runtimes are proprietary, closed-source software, source code is provided for most of the SDK samples. The latest versions of Direct3D, namely, Direct3D 10 and Direct3D 9Ex, are only officially available for Windows Vista, because each of these new versions was built to depend upon the new Windows Display Driver Model that was introduced for Windows Vista. The new Vista/WDDM graphics architecture includes a new video memory manager that supports virtualizing graphics hardware to multiple applications and services such as the Desktop Window Manager DirectInput is a Microsoft API for collecting input from the user, via input devices such the mouse, keyboard, joystick or other game controllers. It also provides a system for action mapping, which allows the user to assign specific actions within a game to the buttons and axes of the input devices. Additionally it handles force-feedback (input/output) devices. Microsoft introduced a new input library called XInput in DirectX 9 specifically for Xbox 360 controllers. DirectInput and XInput have benefits over normal Win32 input events: * They enable an application to retrieve data from input devices even when the application is in the background. * They provide full support for any type of input device, as well as for force feedback. * Through action mapping, applications can retrieve input data without needing to know what kind of device is being used to generate it. *******www.historykillerpro****