VirtualBox 3.0 supports DirectX 9 and OpenGL 2.0

From their site:

"Version 3.0 will be a major update. The following major new features were added:

* Guest SMP with up to 32 virtual CPUs (VT-x and AMD-V only)
* Windows guests: ability to use Direct3D 8/9 applications / games (experimental)
* Support for OpenGL 2.0 for Windows, Linux and Solaris guests"


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