Re: Mesa (master): intel: Use GTT mapping when available for swrast.

[Brian Paul-3]

Eric Anholt wrote:

> Module: Mesa
> Branch: master
> Commit: 7c8bed62e0165a0be3363f7abf81bf9e30341e00
> URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=7c8bed62e0165a0be3363f7abf81bf9e30341e00
>
> Author: Eric Anholt <eric@...>
> Date:   Fri Oct 30 15:33:11 2009 -0700
>
> intel: Use GTT mapping when available for swrast.
>
> This improves piglit quick.tests runtime from 19:33 minutes to 6:06 on
> my GM45.  It should also hide most of the A17 swizzling issues, though
> they'll still exist when swapping occurs (which is the kernel's problem
> either way).

Eric, I'm getting a bus error with this change (at least I think it's
this commit).

progs/demos/readpix (press 'f' to read from front color buffer).

-Brian

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[Eric Anholt-4]

On Fri, 2009-10-30 at 19:10 -0600, Brian Paul wrote:

> Eric Anholt wrote:
> > Module: Mesa
> > Branch: master
> > Commit: 7c8bed62e0165a0be3363f7abf81bf9e30341e00
> > URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=7c8bed62e0165a0be3363f7abf81bf9e30341e00
> >
> > Author: Eric Anholt <eric@...>
> > Date:   Fri Oct 30 15:33:11 2009 -0700
> >
> > intel: Use GTT mapping when available for swrast.
> >
> > This improves piglit quick.tests runtime from 19:33 minutes to 6:06 on
> > my GM45.  It should also hide most of the A17 swizzling issues, though
> > they'll still exist when swapping occurs (which is the kernel's problem
> > either way).
>
> Eric, I'm getting a bus error with this change (at least I think it's
> this commit).
>
> progs/demos/readpix (press 'f' to read from front color buffer).

Works here.

--
Eric Anholt
eric@...                         eric.anholt@...




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