Re: Embedding OpenGL into GTK apps

[Dénes Almási <denes almasi gmail com>]

On Wed, Nov 30, 2011 at 11:27 PM, Bernhard Schuster <
schuster bernhard googlemail com> wrote:

> 2011/11/30 Almási Dénes <denes almasi gmail com>:
> > Hi,
> >
> > I would need some clarification on embedding an opengl canvas into a GTK
> > 3.0 application. Is it possible? And if so, how? This is a necessary
> > component for my thesis at university.
> >
> > GtkGlExt (surprisingly - quite out of support) does not seem to work. I
> > even tried to link against it with gtk 2.0, but it doesn't work either.
> >
> > ----
> > Nasty things like this are written to stdout:
> > (process:9338): Gdk-CRITICAL **: IA__gdk_x11_display_get_xdisplay:
> > assertion `GDK_IS_DISPLAY (display)' failed
> >
> > (process:9338): GdkGLExt-WARNING **: Window system doesn't support
> > OpenGL.
> > ----
> >
> > I am using Arch linux with GNOME 3, [base], [community] and [extra]
> > repos enabled only, latest nvidia graphics card with proprietary
> > drivers. I am using gtkmm in C++11, but I couldn't achieve anything even
> > in plain gtk, and if a solution exists in gtk, I think it would be
> > portable to gtkmm.
> >
> > Thanks,
> > Dennis
> >
> > P.S.: An equally good solution would be to draw gtk inside an opengl
> > canvas, that way my whole application would be drawn in opengl. Is that
> > possible?
>
> I asked this question a while ago at stackoverflow (at that time I
> were not aware of this mailinglist):
>
> http://stackoverflow.com/questions/3815806/gtk-and-opengl-bindings
>
> Regards
>
>
> Bernhard

Hi,

Thank you, I will give GtkGlArea a try as soon as I have some time.
Unfortunately Cairo is not an option for me as I have to be really fast.

I'll report back later!

Dennis