gdk pixbufs, rgbbufs, efficiency, painting onto them

[Dale Mellor <dale_mellor users sf net>]

cali writes:
> I found that using a pixbuf was annoying because I was setting individual 
> pixel values using drawpoint...  
> So what am I talking about? A few things really. Can I copy directly to the 
> x-servers memory from within GTK, or would that mess things up?
...
> Maybe I'm being stupid because I don't know better. If you wanted fast 
> client side access to individual pixels but also the ability to draw 
> primatives, and you wanted to use GTK, what would you do?


   Learn OpenGL and use gtkglext/MesaGL. It gives you direct access to double
framebuffers and lets you draw primitives via an available graphics
accelerator.

Dale