D3d9.dll

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Windows Process Description:

The module d3d9.dll is DirectX DLL for DirectX9. It adds DirectX functionality to Windows Multimedia tasks and games. This DLL is used for handling tasks related to multimedia, especially programming games and videos on Microsoft platforms.

The file d3d9.dll, defined as the 3D graphics API within DirectX 9, is widely used in the development of computer games for Microsoft Windows, Microsoft Xbox, and Microsoft Xbox 360. This module is also used by other software applications for visualization and graphics tasks because of its ability to quickly render high-quality 3D graphics using DirectX-compatible graphics hardware.

The d3d9.dll file includes components for use by a running application as well as components for use by software developers at design time. The runtimes are included as built-in components of Microsoft Windows.

The d3d9.dll file renders three dimensional graphics in applications where performance is important, such as games. The module also allows applications to run fullscreen instead of being embedded in a window, though they can still run in a window if programmed for that feature.

The d3d9.dll module uses hardware acceleration on the graphics board, allowing hardware acceleration of the entire 3D rendering pipeline or even only partial acceleration. It exposes the advanced graphics capabilities of 3D graphics hardware, including z-buffering, anti-aliasing, alpha blending, bitmapping, atmospheric effects, and perspective-correct texture mapping.

Integration with other DirectX technologies enables the module d3d9.dll to deliver such features as video mapping, hardware 3D rendering in 2D overlay planes, and even sprites, providing the use of 2D and 3D graphics in interactive media titles.

The d3d9.dll file contains full vertex software emulation. The API does define a Reference Rasterizer (or REF device), which emulates a generic graphics card, although it's too slow to be used in any application to emulate pixel shaders and is usually ignored.

3D computer graphics using the file d3d9.dll use three-dimensional representation of geometric data that is stored in the computer for the purposes of performing calculations and rendering 2D images.

Author: Microsoft Corporation

Author URL: http:// www.microsoft.com

Part Of: Microsoft Direct3D

Memory Usage: High

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