[Mesa-dev] [PATCH 0/2] Turning swrast into DRI2 drivers

[Dave Airlie]

On Sat, Apr 12, 2014 at 10:25 AM, Giovanni Campagna
<scampa.giovanni at gmail.com> wrote:
> Hi everyone,
>
> Some time ago I sent patches to enable the swrast driver on
> GBM/DRM, and I did them in the dumbest way possible (that is,
> having GBM implement the dri-swrast interface), to make sure
> it would work without kernel support.
> This patch series is a little smarter, in that it creates
> more than one KMS buffer and has llvmpipe render directly
> into the KMS buffer, so we don't need to copy from the back
> to the shadow (before the kernel copies from the shadow to
> the front).
>
> For background, this is necessary to get mutter-wayland running
> inside VMs such as gnome-continuous, which has a qxl DRM driver.
> mutter-wayland only has a KMS/EGL rendering backend, and we
> have no intention to add pixman or fbdev.
> GNOME bug: https://bugzilla.gnome.org/show_bug.cgi?id=728059
>
> The older patches were http://lists.freedesktop.org/archives/mesa-dev/2014-March/055113.html
> I can rebase if so is desired.

I actually did something similiar that was qxl specific before,
(qxl-dri2-driver in my repo, though it had some problems I can barely
remember now), the only question I have is what does this produce?
another swrast_dri.so? and will it have any affect on current
scenarios?

Dave.
>
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