View Full Version : How to find functions when I need?
05-14-2004, 05:11 PM
Recently,I need a function determining the RGB information on a certain pixel.I searched it in my textbook, but I didn't find it.Of course,I begin to wonder if openGL has such a function.However, I found that the only thing that I can tell is that my textbook didn't mention all the fucntion of openGL API. My question is, does a complete API document of openGL exist? If it doesn't,is there a proper handbook?
thanks for help!
05-14-2004, 05:21 PM
also look at the extensions registry on this site
you are looking for glReadPixels (search google)
05-14-2004, 05:29 PM
Thanks a lot :)
And here is the GLUT API :
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