How to use a XPixmap into openGL

OpenGL OpenGL: Basic Coding
1

I have a XPixmap, and I would like to make openGL transformations on this. How could I start ?

Antoine.

2

I think it is glXBindTexImageEXT function.

I have not this function with my openGL version. It is possible with glxBindTexImageARB ?

I would like to modify a X11 XPixmap into openGL.