Quote Originally Posted by code_glitch View Post
And I know this would only work on the first loop but it crashes before then - on glGenFrameBuffersEXT() again which means I must clearly be missing something when I initialize OpenGl or doing something so idiotic I'm overlooking it each time...
This extension might not be supported by your driver or not loaded properly in the headers. Make sure to call ReadExtensions or something similar.

P.S. FBOs are not deprecated; in fact, they are adopted into core. See here.