Q: What is DirectX? Do you have a definition?
A: Microsoft® DirectX® is a group of technologies designed to make Windows-based computers an ideal platform for running and displaying applications rich in multimedia elements, such as full-color graphics, video, 3-D animation, and surround sound.
Q: What is the latest version of DirectX
A: The latest released version is currently DirectX 9.0b for users of Microsoft Windows 98, 98Se, Me, 2000, XP, and Server 2003. The latest version of DirectX for Windows 95 users is 8.0a.
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Q: What is new in DirectX 9?
A: "There are many new and exciting features in all of the DirectX components.
The SDK has added a new member to its core technology called Managed DirectX, a DirectPlay port for the PocketPC, a High Level Shader Language for D3DX, and Windows XP parity on downlevel operating systems for DirectShow and the DirectX audio APIs.
DirectShow also has a new Video Mixing Renderer (VMR9) which uses D3D9 surfaces and always renders video through the 3D pipeline, along with new and exciting samples.
The generic Windows Media Format SDK stub library (wmstub.lib) available in previous beta releases has been removed. DirectShow samples using this stub library have been reverted to the DirectX 8.1 behavior of displaying a warning to obtain the stub separately, and the readme.txt files have also been reverted with information on the process to obtain the stub."
Q: What is new specifically in DirectX 9.0b?
A: DirectX 9.0b includes security and performance updates, along with many new features across all technologies, which can be accessed by applications using the DirectX 9.0 APIs.
Q: Will there also be a SDK update coming?
A: Yes, Microsoft DirectX 9.0b SDK Summer 2004 Update will be released this summer.
Q: What will be included in that?
A: Primary areas of concentration for the Summer Update was for the Direct3D Extension Library (D3DX), Graphics Samples, Sample Frame work, tools and documentation. This release includes updated developer runtime and the previously released DirectX 9.0b Redistributable.
Q: What was new in DirectX 8.0a?
A: DirectX 8.0a contains updates for issues with international installs on Windows 2000 and issues where input devices could have buttons disabled that were enabled with previous DirectX releases. There are no other changes.
Q: What operating systems is DirectX 9 compatible with?
A: Windows 98, Windows 98SE, Windows Me, Windows 2000(Professional and server editions), Windows XP. and Windows Server 2003. DirectX 9 is NOT compatible with Windows NT or Windows 95.
Q: You do not have Windows 95 listed as being compatible with Microsoft DirectX. What should I do?
A: The latest version available for Windows 95 is DirectX 8.0a.
Q: Is DirectX compatible with Windows NT?
A: Yes, though the only version supported on Windows NT 4.0 is DirectX 3.0a. You must also install Windows NT 4.0 Service Pack 6.
Q: How much space will this take up on the hard drive?
A: It will take about 18 MB of space once downloaded and installed. About 60 MB for installation.
Q: Do I need to install DirectX 9?
A: There are improvements over DirectX 8.1, but most users will do fine with running 8.1. Future games and hardware will obviously take better advantage of DirectX 9.
Q: What was new in DirectX 9.0a?
A: DirectX 9.0a featured bug fixes as well as improvements in performance within the graphics and networking components of the original DirectX 9.0 runtime.
Q: I thought that a DirectX Icon would appear in my control panel - what has happened to it?
A: The DirectX Control Panel is only included in the SDK versions of DirectX.
Q: What is the DirectX SDK?
A: The Microsoft® DirectX® 9 Software Development Kit (SDK) contains the tools needed to build cutting-edge, media-rich, interactive applications. It includes the run-time, headers and libs, sample executables, sample source, documentation, DirectX utilities, and support for both C++ and Visual Basic® development.
Q: What versions of DirectX are shipped with the different Microsoft Operating Systems?
A: Windows 98 comes with native DirectX 5 support. While Windows 98 Second Edition comes with DirectX 6.1a and Windows 2000 DirectX 7. Windows NT comes with DirectX 3.0a, and Windows 95 comes with DirectX 2. Windows XP comes with Direct X 8.1. Windows 2003 Server comes with DirectX 8.1.
Q: Will new versions of DirectX affect older games?
A: No, as each new version of DirectX is backwards compatible with older versions.
Q: Will Windows 2000 users finally be able to update to each new version of DirectX as they are released?
A: Yes - all future versions of DirectX will install onto Windows 2000.
Q: Does DirectX have a role with Xbox?
A: Yes, all DirectX technologies had played a role in the development of the Xbox both through Microsoft and NVIDIA. Xbox either shipped with a customized version of DirectX or has a similar set of non-updateable technologies.
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