On Thu, 2001-10-18 at 15:03, Michael Zayats wrote:

> >You could add a second adaptor which uses the texture engine, like
> >it's already done in the tdfx driver.
> 
> Can you explain a bit more about texture engine?
> If I udenrstand it right it is 3d acceleration feature, you first use DRI to
> DMA it to texture memory and then use OPenGL commands to place it on screen
> the right way (like video).

That's too complicated. The 2D driver should directly program the
hardware to draw the surface using the Xv data as a texture.


> how 3d accelerator works is it also "overlay" or does it copy things to
> framebuffer just without CPU intervention?

The latter.


-- 
Earthling Michel D�nzer (MrCooper)/ Debian GNU/Linux (powerpc) developer
XFree86 and DRI project member   /  CS student, Free Software enthusiast
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