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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

D3DX10CreateMesh VertexCount and FaceCount parameters
I'm creating a D3D10Mesh to copy the vertex data into from a D3D9 mesh. What I want to know is, what is the use of the FaceCount parameter. Surely... more
Directx 10 using DXUT, linker problem.
Hello! Subject might look simple, but I can't find the way how to solve this problem: I used source for given example in Directx SDK(march 2009)... more
Description Helpers For Direct3D 10, 10.1 and 11
Description Helpers For Direct3D 10, 10.1 and 11 In Direct3D 10, a number of device render states were aggregated into immutable objects. These immuta... more
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... more
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.

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