Re: GNOME & 3D API

[Jean-Marc Valin <jean-marc valin hermes usherb ca>]

Though a 3D OpenGL canvas would be real cool, I think there's also a need for 2D
OpenGL in the normal canvas. Is there anyone working on that? How hard would it
be to have a Gnome_canvas_item_opengl or something like that?

	Jean-Marc

> Well I am writing a multi purpose and tool mathematical thing for
> gnome and at some point I will have to do 3D as you might have
> guessed.
> 
> On the other hand I know Dr Genius and maybe Guppi have 3D plots so
> you might look there at what they use.
> 
> I think the best way would be to have GLGnomeCanvas3D exactly like we
> have GnomeCanvas for 2D with all the bells and whistles. Having this
> mind I think some kind of OpenGL  would be the natural thing to do for
> this 3D canvas as OpenGL will probably be the Linux DirectX thinggy
> (there is also SDL? from someone at Loki). And with respect to this, I
> know someone has a GtkGlArea widget that is supposed to be an OpenGL
> thing, so maybe you should check what those people have done.
> Someone also told me Miguel? Is working on a 3D canvas so maybe you
> should check that too.
> 
> Sadly, I cannot help as I know nothing of 3D graphics low-level or
> even high-level programming. But since we are talking 3D, I think the
> best way to start would be with a very basic OpenGL/Mesa/SDL 3D canvas
> widget and add stuff as 3D for Linux becomes clearer.
> 
> I hope this helps, but it case it doesn't I'd like to express my
> biggest desire to this happen in libgnomeui and be able to use a
> full-fledged GLGnomeCanvas3D

-- 
Jean-Marc Valin
Universite de Sherbrooke - Genie Electrique
valj01@gel.usherb.ca