can I use glreadpixels() in a vega program?

can i use glReadPixels()in vega program to get the depth buffer digital from a vega 3D model?
thanks!

Yep, you have to do this with a Channel draw call-back as you need the GL draw context etc. See the MPI Vega forums for more data I have answered this several times there and there are examples snipets there as well