You can find the download at: DirectXTex texture processing library (really if you are used to Codeplex, just hang on the site and check out the documentation, etc.)
What is it?
- Content Pipeline for your game engine
DirectXTex, is a shared source library for reading and writing DDS files, and performing various texture content processing operations including resizing, format conversion, mip-map generation, block compression for Direct3D runtime texture resources, and height-map to normal-map conversion.
To find out more about DirectXTex you find it at: