Re: GTK+2 vs. GTK+3 signal “expose/draw/render” events

["F.Reiter" <franz reiter cadcam co at>]

On Mo, 2016-10-03 at 22:54 +0200, Sébastien Le Roux wrote:

ad:
>   * (a) GTK2 + GtkGlext : works great !
>   * (b) GTK3 + X11 : works just fine !
>   * (c) GTK3 + GtkGLArea : does not work :-(

> The OpenGL rendering is significantly slower in (b) than in (a) ..

>   * (a) : once
>   * (b) : 5 times
>   * (c) : 5 times



The Gtk2/X11 - version works for us identical to the Gtk3/X11 - version;
see:

http://www.gcad3d.org/gui_gtk2/gtk_gl_x11.c
http://www.gcad3d.org/gui_gtk2/gtk_opengl.c
and
http://www.gcad3d.org/gui_gtk3/gtk_gl_x11.c
http://www.gcad3d.org/gui_gtk3/gtk_opengl.c


(whole project: https://github.com/gcad3d)


Franz


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