-----= Posted via Newsfeeds.Com, Uncensored Usenet News =-----
http://www.newsfeeds.com - The #1 Newsgroup Service in the World!
-----== Over 100,000 Newsgroups - 19 Different Servers! =-----
what you would want to do would be to retain a copy of the associated
bitmap, draw onto it, and reload it as a texture.
look for:
glBindTexture
glTexImage2D
...
eg:
you bind the texture number;
you use glTexImage2D to reload it;
...
ok, this is not very specific, I know.