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I am working on a game with C++ and OpenGL 3.2. I have successfully implemented directional shadow maps and now I'd like to upgrade them to shadow cube maps (for point lights). I've done some Googling and I can't seem to find much solid info on how to achieve this.

What is this technique called?

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What you are looking for is called "Omnidirectional Shadow Mapping". Google has lots of hints for that.

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    \$\begingroup\$ A good idea would be to highlight the most relevant links you find on Google. \$\endgroup\$ – Laurent Couvidou Dec 14 '12 at 9:58

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