Re: Is a FontCache worth implementing?

[Sven L. <lu...@dp...>]

On Mon, Mar 12, 2001 at 04:45:35AM -0800, James Simmons wrote:
> 
> >Err, i was speaking of userland accelerated mesa support, not openGL in
> >fbdev, which i know will not be welcome in the kernel.
> 
> You don't need it in the kernel. Before DRI I hacked Mesa to use fbdev.
> Sure it is slow but it sure was faster than X with no acceleration.

Yes, but this is not the same mesa version that is used by X and which may be
HW accelerated on some board,s is it ?

So we would need a second opengl library lying around for fbdev opengl, this
is not nice, better to do it right and have fbdev to play nice with dri/drm.

> >I may be wrong, but i had the impression that it is not sane us to do DMA
> >without speaking to DRM about it.
> >
> >That said, maybe using DMA is not the nicest thing to do, maybe it is
> >wastefull for us, ...
> 
> But unfortunely it is needed for specific types of cards. DMA can be done
> internally. It is just a matter of making sure the console system is
> shutdown when KD_GRAPHICS is set. This way their is no conflict.

What about registering with drm, and then use the drm kernel module for doing
dma ? Is there something wrong with it ?

Friendly,

Sven Luther