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[Mageia-dev] [RFC] nouveau, swrastg, libdri-drivers-experimental

+ Anssi Hannula + anssi at mageia.org +
+ Wed Dec 14 02:45:14 CET 2011 +

+
+ +
On 05.12.2011 08:09, Anssi Hannula wrote:
+> Hi!
+> 
+> 1. nouveau
+> 
+> I propose to move nouveau DRI drivers from libdri-drivers-experimental
+> to libdri-drivers.
+> 
+> Fedora moved them out of -experimental in last January, Ubuntu in last
+> June, OpenSUSE in July (though OpenSUSE doesn't have the legacy
+> nouveau_vieux DRI driver at all), and Debian a week ago.
+> 
+> I've been running with it for the last week or so with no problems on my
+> card.
+> 
+> WDYT?
+
+No one was against, so I'm moving nouveau drivers to main dri-drivers
+package.
+
+> 2. swrastg
+> 
+> It seems we have both swrast_dri.so and swrastg_dri.so in libdri-drivers
+> package.
+> 
+> swrast_dri.so is the traditional SW rasterizer used when there is no HW
+> support.
+> 
+> swrastg_dri.so is the Gallium3d-based rasterizer which is considerably
+> faster.
+> 
+> However, actually only swrast_dri.so is used, so should we:
+> 1) switch to swrastg, drop swrast (Fedora in Nov 2010)
+> 2) keep it as is, unused (~4 MB)
+> 3) move swrastg to libdri-drivers-experimental (Ubuntu in Jun 2010,
+>    Debian a week ago) which nouveau is probably moving out of
+> 4) drop swrastg completely for now (seemingly OpenSUSE)
+> 
+> Unfortunately I have no idea on the status of swrastg beyond the above
+> distro information, and the fact that it does indeed work as tested
+> while writing this, and XBMC runs smoother with it than with swrast.
+> 
+> I'd be somewhat inclined to follow Fedora here, but I'm not at all sure.
+> 
+> WDYT (see also below)?
+
+Seems 1 was more preferred in general, so I'll do that and drop legacy
+swrast.
+
+> Implementation note: With a quick look I didn't find any easy way to
+> switch a system to use swrastg_dri.so when both are installed; if we
+> want to provide switching between them, we need to either
+> a) use alternatives for swrast_dri.so, or
+> b) have swrastg_dri.so in a different dir and have that path first in
+>    the dri search path so that when -experimental is installed, it
+>    will get preferred (while mesa has the needed code already, xserver
+>    would need a trivial patch as it currently has a single search path)
+> 
+> WDYT?
+> 
+
+
+-- 
+Anssi Hannula
+
+ + + + + + + + + + +
+

+ +
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