OpenXR + Oculus SDK (Windows) ?

Hi,

I have already developed a C++ app using Oculus SDK & OpenGL and would like to add eyetracking and handtracking to it (for Meta Quest Pro using Quest/Air Link).

How could I process ?

1 - can I add eyetracking and handtracking extension using OpenXR without doing any rendering in it (keeping rendering done with Oculus SDK) ?

2- or must I convert the rendering process to do it via OpenXR ?

I hope you can help me.