[Intel-gfx] [Mesa-dev] [Mesa3d-dev] mesa doesn't work with compiz (i965 + tips of all branches)

[Maxim Levitsky]

2010/7/5 Michel Dänzer <michel at daenzer.net>:
> On Don, 2010-07-01 at 10:32 -0700, Ian Romanick wrote:
>> -----BEGIN PGP SIGNED MESSAGE-----
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>>
>> Note: I'm sending this reply to mesa-dev at lists.freedesktop.org instead
>> of the old mailing list.
>>
>> Maxim Levitsky wrote:
>> > On Tue, 2010-06-29 at 15:49 -0700, Ian Romanick wrote:
>> > Corbin Simpson wrote:
>> >>>> Curious. Admittedly I can't look at the content of that commit, but they
>> >>>> can't be too useless if compiz selects them. IIRC the point was to limit
>> >>>> the runtime of Intel internal tests; can't those tests be amended
>> >>>> instead? The number of configs will only grow; r300g has over 200 now
>> >>>> thanks to multisampling.
>> > The configs are useless.  Applications can only ask for "bits >= X".
>> > There are still 24-bit depth / 8-bit stencil configs, and, last time I
>> > checked, 8 >= 0.  There is no way to ask for a 24/0 config that wouldn't
>> > instead give a 24/8 config.
>> >
>> >>>> Posting from a mobile, pardon my terseness. ~ C.
>> >>>>
>> >>>>> On Jun 29, 2010 1:28 PM, "Maxim Levitsky" <maximlevitsky at gmail.com
>> >>>>> <mailto:maximlevitsky at gmail.com>> wrote:
>> >>>>>
>> >>>>> On Tue, 2010-06-29 at 20:34 +0300, Maxim Levitsky wrote:
>> >>>>>> On Sun, 2010-06-27 at 19:07 +0300, Maxim ...
>> >>>>> Bisected this to
>> >>>>>
>> >>>>> 73e24cd5a7a0760726a681dda5b88805ddcf1555 is first bad commit
>> >>>>> commit 73e24cd5a7a0760726a681dda5b88805ddcf1555
>> >>>>> Author: Ian Romanick <ian.d.romanick at intel.com
>> >>>>> <mailto:ian.d.romanick at intel.com>>
>> >>>>> Date:   Mon Feb 8 10:34:52 2010 -0800
>> >>>>>
>> >>>>>    intel: Stop exposing useless 24 depth/0 stencil configs
>> > I need two pieces of information:
>> >
>> >   - A diff of the output of glxinfo immediately before and immediately
>> >     after this commit.
>> >
>> >   - A list of what config attributes compiz is requesting.  It should
>> >     be easy enough to instrument choose_visual in glxcmds.c to dump out
>> >     attribList.
>> >
>> > It should be pretty easy to root-cause this problem with that data.
>>
>> [snip]
>>
>> > What is interesting is this:
>> >
>> > -0x62 32 tc  0 32  0 r  y  .  8  8  8  8  0 24  0  0  0  0  0  0 0 None
>>
>> Yup.  That has to be it.  The fix will have two parts.  First, make the
>> 3D driver a this specific visual.
>
> -ENOPARSE :)
>
>> That will make "new" 3D drivers work with "old" 2D drivers.  Second,
>> make the 2D driver mark this visual has having stencil.
>
> The X driver is no longer involved in GLX visuals. (However, the Mesa
> driver loaded by the X server is involved. Maxim, did the X server load
> your self-built i965_dri.so for each test?)
No. I just compile the mesa (and of course includes i965_dri.so) with
or without commit
change is instant.

However. both good and bad behavior is persistent over X restarts,
when it does load new  i965_dri.so


Wait a minute....

(II) AIGLX: Loaded and initialized /usr/local/lib/dri/swrast_dri.so
(II) GLX: Initialized DRISWRAST GL provider for screen 0


I disabled AIGLX in x server long time ago, because it makes me
recompile the server each time mesa changes, and otherwise is useless.

So I try with AIGLX next.

>
> I think at least part of the problem could be that the X server code was
> changed to make the depth 32 GLX visual take the place of one of the
> depth 24 ones. It should probably become separate again.
>
>
> --
> Earthling Michel Dänzer           |                http://www.vmware.com
> Libre software enthusiast         |          Debian, X and DRI developer
>