[Nouveau] preliminary nv50 wfb patch

[Maarten Maathuis]

This version is a bit faster by avoiding the need for (SUB)TILE_WIDTH.

On Sat, Mar 7, 2009 at 1:59 PM, Maarten Maathuis <madman2003 at gmail.com> wrote:
> This patch will only work with Option "EXAPixmaps" "1", and will
> prevent classic exa from working.
>
> Occasionally a pixmap fails to map, but that's not related to this patch.
>
> I haven't done any hardcore optimisations, but suggestions are
> ofcource appreciated.
>
> In my experience some benchmarks suck now (gtkperf for which had it's
> performance halved), and qt4 is definitely faster than gtk (gtk has
> some odd rendering scenarios).
>
> This is by no means finished, but i wanted to share what i have.
>
> Maarten.
>
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