For the OpenGL experts....

I have some code that draws a load of buttons with text on and I have just added a call to some 3rd party code to draw a background behind it all, but now any text on my GUI appears as white blocks.

It's not Blitz and I can't post a code example, but maybe someone has an idea, like something I should be pushing and popping maybe?

Sounds like the 3rd party code is changing states.

Download & install gDEBugger from here: http://www.gremedy.com/download.php
You'll get 30 days free usage.

It's pretty easy to use, and will show you all calls made to GL by an application, you should be able to figure what calls are causing the white blocks.

Thanks a lot, Tom. I'll give that a shot at work tomorrow.