Re: [Freeglut-developer] Shared GL ressources between window

[Loic Q. <lo...@gm...>]

Nobody can help?

Loic,

2009/12/23 Loic Quertenmont <lo...@gm...>

> Hi all,
>
> this is my first post on this mailing list, so let me first thanks all the
> freeGlut developpers for the very nice work they are doing with this
> library.  As it is stated on the webpage, freeGlut start to becoming old,
> but it is anyway still the bets library for multiplatform applications...  I
> must confess, that I moved to use FLTK during few months... but I changed my
> mind and came back to freeGlut for its stability and simplicity as well as
> its light weight;
>
> I have nevertheless some problems in porting back my code to freeGlut, I am
> using VBO, textures and display lists (and also shaders but this is a less
> big problems), and I would like to have a multiple window program.
> The objects I rendered nicely if I worl with one single window and
> different viewport in it... but if I used multiple window (instead of
> multiple viewport).  my displayed objects are not all drawn on all the
> windows... few are drawn on each window...
>
> I guess it is because by default, the OPENGl context is not shared between
> window...
> This bring me to my question: is therre anyway to share one unique openGl
> context between the different window?
> or is there another solution?
>
> of course, because of the complexity of the objects I have to draw, I don't
> wan create the VBOs in each window...!
> (just for info, don't know if it is useufl or not, I am using GLEw as well
> (with multiple context option) and I am setting the glew context correctly
> in all my window..., I am currently working on windows vista, but the code
> will be executed on Linux, Windows and MacOS)
>
> thanks for help,
> loic,
>