Who can offer me the source code of realization of summed area table in OpenGL?

First I thank Mr. Pragma who give message of download summed area table algorithms article.
But I need help of realization source code of this algorithms. I have understand this algorithms. But I don’t know how to realize it in OpenGL. For example ,how to built table ,how to calculate and how to search table. In OpenGL, I should how to realize those processes. Hope master-hand give me help. Helping me map a bmp on one rectangle and offering the source code is best. I thank tank thank. Hope I become your freind.

There’s a presentation on nvidia’s developer website that explains these and shows implementation in graphics hardware. Here is the link that contains the presentation: http://developer.nvidia.com/object/GDC_2003_Presentations.html