I can''t find a cross-platform way of doing this.

The official zorx website

Why not just use glReadPixels?

Failing that you can just use SDL and convert your SDL_surface to a GL texture.

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[edited by - Luke Philpot on October 29, 2003 1:11:04 AM]

You guys are making this way to complicated.
do this at initialization:
1. render just the background normally
2. use glCopyTexImage to put the data into a texture
3. clear the color buffer (and zbuffer, if you are using that for some reason)
4. when you want to render the background, render a quad with that texture streched across the whole screen.

There, that is completely portable, and should work.

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