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DirectX: Advanced Graphics on Windows

Microsoft DirectX is the industry-leading technology for high-performance, high-quality graphics on Windows platforms.

DirectX is comprised of best-in-breed runtime technologies, developer tools, graphics programming interfaces and languages. The DirectX standard is supported by a wide variety of consumer and workstation-class graphics software and hardware solutions.

March 2009 DirectX SDK Now Available


The March 2009 DirectX SDK download contains the tools needed to build cutting-edge, media-rich, interactive applications. It includes runtimes, headers and libraries, samples, documentation, utilities, and support for C++ development. The March SDK also includes an update to the Technical Preview for Direct3D 11, the latest version of Direct3D that provides support for tessellation and general purpose GPU processing, as well as the Technical Preview for Direct2D and DirectWrite, the new Windows APIs for accelerated 2D rendering and font and text rendering. Further changes in the March SDK include improvements to the audio tools and the new XNA Math library.

Learn More About New DirectX Technologies, Direct2D and DirectWrite

With PDC 2008 came the announcement of two new graphics technologies for mainstream application developers: Direct2D, a high-performance vector graphics API built atop Direct3D 10.1, and DirectWrite, a ClearType and OpenType font management and layout API. For more information, check out our PDC 2008 Presentation and please visit the Learn page frequently for more updates.

Learn More about Direct3D 11

New in the Direct November 2008 DirectX SDK is the Direct3D 11 Technical Preview for Windows Vista. Click here for in-depth guides, white papers, and other documentation on Direct3D 11 and other features currently in development from the DirectX team.

GDC 2008 Presentations Now Available

The presentations from the GDC 2008 developers conference, including audio recordings where possible, are now available on the Presentations page.

DirectX for Everyone

For Business, Enterprise, and IT Pro

Learn more about what business, enterprise, and IT applications are doing with DirectX.

For Consumer Application Developers

Find out more about what consumer application developers are doing with DirectX.

For Gamers

For the latest news on DirectX 10 games and downloads; check out what we have to offer!

For Game Developers

XNA is an industry leading solution for game developers offering: software, services, resources, and communities.

For Workstation Professionals

For 3D animation, workstation and CAD engineering applications.

Direct3D 10 Forum

How to alpha blend sprites?
I need to draw a sprite with alpha but I don't know how and I Googled it and found little if any useful information.

Sprite scaling
This might been asked/answered before, but done quick search and could not find. Im currently working on a 2D gui system for D3D10 and looking into u... mais
Load model
Hi I like to load a x-file but it seems that the function LoadMeshfromX no more exists. I looked in the docs and searched on the internet but didn... mais
get struct type name from D3D10 reflection
I'm writing a tool to generate appropriately aligned structs from HLSL cbuffers.  I can't quite figure out how to get the name of a used... mais
Copying IDirect3DResource9 buffers
Hi there. I'm busy trying to load a .x file into D3D10 and learnt that you have to do it the ridiculous way by loading in D3D9 and then copying to... mais

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