glReadPixels and glDrawPixels
Let a situation when an opengl object drawn in window .Now by the use of glReadPixels and glDrawPixel we can again redraw the same object in same window but some other place.
Re: glReadPixels and glDrawPixels
hey, you're not going to believe this. no, really, you're not. but someone posted almost exactly the same statement in the advanced forum! what are the odds!
yes, glReadPixels and glDrawPixels will copy pixel data to different parts of the frame buffer