[SDL] Accelerated Blitting under X11?

Clemens Kirchgatterer clemens at thf.ath.cx
Thu Jan 16 01:59:01 PST 2003


Rafa³ Bursig <bursig at poczta.fm> wrote:

> > > And what with case that someone hasn't gl accel. card ?
> > 
> > then, AFAIK, software rendering via MESA will get used, which is for
> > sure even slower then software blits via native sdl.
> > 
> mouch slower !
> 
> > > How make access to DGA without root ?
> > 
> > this is the job of the drm kernel module, IMHO.
> > 
> IMHO drm modules need card code ( Banshee, Rage , etc ) and what with 
> older PCI cards ?
> 
> > > In my case I can create HW surfaces only as root (DGA output) ,
> > > and have HW to HW accel. blits. !
> > 
> > but you can also start hardware accelerated GL apps as normal user.
> > 
> Of corse If I have card with suppot GL !

but what is your point here? i never said otherwise. my original
statement is still:

> > > > i thought, the whole point of using glSDL is to map sdl
> > > > blittings to gl transparently. so one could get gl hardware
> > > > support without gl knowledge.
> > > >
> > > > please correct me, if i'm wrong.

clemens




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