[SDL] how to know if (direct render) hardware accelerated is available

[David Roguin]

It seems SDL_GL_ACCELERATED_VISUAL is what i want.

Thanks a lot for your responses.
David.

On Nov 16, 2007 5:54 PM, Solra Bizna <sbizna at tejat.net> wrote:
> On Nov 16, 2007 7:01 PM, David Roguin <nesdavid at gmail.com> wrote:
> > I was thinking, if I test if the GL_RENDER is Mesa, I'm sure that not
> > hardware accel is present. But is there another soft OpenGL
> > implementation besides Mesa?
> Ah, but here you hit another problem... :)
> Most "Free" 3D drivers report themselves as some variant of "Mesa
> DRI." So, you might think you could make an exception to the rule by
> checking for "DRI" in the RENDER string... but, alas, it's not that
> simple, as often DRI is reported in the RENDER string despite the lack
> of worthwhile hardware acceleration. (Mach64 anyone? Or the Creator3D,
> on which texture mapping is not accelerated?)
>
> All hope is not lost, though, since SDL now has a GL attribute you can
> use to request hardware acceleration (SDL_GL_ACCELERATED_VISUAL). I
> haven't used it, so I don't know how extensive backend support is, but
> at least there's the potential. (Not to mention being
> cross-platform...)
>
> -:sigma.SB
> _______________________________________________
> SDL mailing list
> SDL at lists.libsdl.org
> http://lists.libsdl.org/listinfo.cgi/sdl-libsdl.org
>