[Mesa-dev] Remove classic drivers or fork src/mesa for gallium?

Marek Olšák maraeo at gmail.com
Tue Apr 7 18:07:20 UTC 2020

The first milestone:
- make src/compiler a standalone lib

is done: https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4400


On Mon, Mar 30, 2020 at 11:40 AM Kristian Høgsberg <hoegsberg at gmail.com>

> On Mon, Mar 30, 2020, 7:59 AM Adam Jackson <ajax at redhat.com> wrote:
>> On Sun, 2020-03-29 at 09:45 -0700, Kristian Høgsberg wrote:
>> > As for loading, doesn't glvnd solve that?
>> It could. It does not. Right now there's not a (good) way for the DDX
>> driver to communicate a preferred implementation name to the GLX
>> client. xserver's glx just knows it needs an implementation named mesa,
>> and nvidia's glx, nvidia. Not a hard thing to wire up, and in fact you
>> can give multiple names and the client side will try them in sequence
>> so fallback stands a chance of working.
>> Now, if we're doing that, we should maybe consider using glvnd's
>> libGLdispatch directly, as I think right now we have an ugly double-
>> indirection between glHamSandwichEXT and _mesa_HamSandwichEXT if you're
>> building for glvnd. The only thing in the world besides Mesa that cares
>> about glapi and what a DRI driver interface is is xserver, and that's a
>> detail I'd like to eliminate and the new EGL-backed GLX in Xwayland
>> gets really close to eliminating it. But if nobody else gets excited
>> that much about fixing GLX, I completely understand.
> Yeah it would make sense to disable the double dispatch and it would be
> tempting to get rid of dri driver loading entirely then...
> - ajax
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