   parallax mapping
  Hy.I have a collada importer that import models with normals,tangents and binormals.I would implement parallax mapping and I find a lot of documentations in google and in gamedev.I'm not undrstand at all,but the question is this:For implement parallax mapping i'm need a normal texture above the tangents,normals and binormals?Thanks.   
  You need a heightmap for parallax mapping.   ;  Take a look at the article linked in my signature, and also take a look at the lighting section of the D3D10 book for implementation details of parallax occlusion mapping and parallax mapping respectively.As already mentioned, it typically requires a height map to do either technique.   