[Bug 91170] New: World of Zoo (in Wine) has rendering issues

[Bug 91170] New: World of Zoo (in Wine) has rendering issues

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https://bugs.freedesktop.org/show_bug.cgi?id=91170

            Bug ID: 91170
           Summary: World of Zoo (in Wine) has rendering issues
           Product: Mesa
           Version: git
          Hardware: Other
               URL: http://store.steampowered.com/app/43100/
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/DRI/nouveau
          Assignee: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
          Reporter: gyebro69-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
        QA Contact: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org

When the game loads to the menu the screen is scrambled with flashing polygons.
This doesn't occur with the binary drivers (340.76) or when starting the game
with the software renderer.Disabling shader optimization doesn't resolve the
problem.

Screenshot:
http://imgur.com/xro8Ixr

Trace file:
https://drive.google.com/open?id=0B-tTbLKBl-tOdTJxT1o0c2dZMmc
The problem is first visible in frame #152, when the second splash screen is
displayed.

Demo version is available on Steam (needs Wine to run):
http://store.steampowered.com/app/43100/

Fedora 22 32-bit
Mesa 10.6-branchpoint-773-g1de93f9
Kernel 4.0.6-300.fc22.i686+PAE
Xorg 1.17.2
libdrm-2.4.61-3.fc22.i686

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[Bug 91170] World of Zoo (in Wine) has rendering issues

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https://bugs.freedesktop.org/show_bug.cgi?id=91170

--- Comment #1 from Béla Gyebrószki <gyebro69-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> ---
Sorry, I missed to specify my video card:

VGA compatible controller: NVIDIA Corporation G92 [GeForce GTS 250] (rev a2)
(prog-if 00 [VGA controller])

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[Bug 91170] World of Zoo (in Wine) has rendering issues

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https://bugs.freedesktop.org/show_bug.cgi?id=91170

--- Comment #2 from Ilia Mirkin <imirkin-FrUbXkNCsVf2fBVCVOL8/A@public.gmane.org> ---
Reproduced on GT215. Does not happen on GF108.

Geometry seems off as soon as the first or second title screen... will have to
double-check old versions, hopefully it's a regression we can bisect.

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[Bug 91170] World of Zoo (in Wine) has rendering issues

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https://bugs.freedesktop.org/show_bug.cgi?id=91170

--- Comment #3 from Ilia Mirkin <imirkin-FrUbXkNCsVf2fBVCVOL8/A@public.gmane.org> ---
OK, so forcing the inline vertex path rather than the stick-bo-into-pushbuf
path seems to help. Will try to track down what's different. Probably something
dumb around alignment.

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[Bug 91170] World of Zoo (in Wine) has rendering issues

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https://bugs.freedesktop.org/show_bug.cgi?id=91170

--- Comment #4 from Ilia Mirkin <imirkin-FrUbXkNCsVf2fBVCVOL8/A@public.gmane.org> ---
Created attachment 116899
  --> https://bugs.freedesktop.org/attachment.cgi?id=116899&action=edit
bs fix

Ugh, the buffer-update-is-in-progress issue strikes again! I fixed this ages
ago, but it's back. [The first hunk of this patch is unrelated, but it also
won't hurt.]

So now to figure out why it's not fencing properly.

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[Bug 91170] World of Zoo (in Wine) has rendering issues

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https://bugs.freedesktop.org/show_bug.cgi?id=91170

--- Comment #5 from Béla Gyebrószki <gyebro69-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> ---
(In reply to Ilia Mirkin from comment #4)
> Created attachment 116899 [details] [review]
> bs fix
> 
> Ugh, the buffer-update-is-in-progress issue strikes again! I fixed this ages
> ago, but it's back. [The first hunk of this patch is unrelated, but it also
> won't hurt.]
> 
> So now to figure out why it's not fencing properly.

The patch fixes the problem here as well.

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[Bug 91170] World of Zoo (in Wine) has rendering issues

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https://bugs.freedesktop.org/show_bug.cgi?id=91170

--- Comment #6 from Ilia Mirkin <imirkin-FrUbXkNCsVf2fBVCVOL8/A@public.gmane.org> ---
Created attachment 116925
  --> https://bugs.freedesktop.org/attachment.cgi?id=116925&action=edit
another bs fix

This is very worrying... emitting more fences seems to fix it. Another place
where it helped was in nouveau_transfer_write. The joke of it is that emitting
a fence doesn't even kick the pushbuf, just writes the commands.

But since I'm not actually changing *which* fences are attached, I really don't
see how this changes anything. Waiting on fence instead of fence_wr doesn't
seem to affect it either.

What this game does is totally NUTS btw. It has a 512KB vertex buffer, and
every time it maps it is with GL_MAP_INVALIDATE_BUFFER_BIT and writes all 512KB
each time. Which is fine, just... inefficient (probably).

It also has a 128KB index buffer, of which it maps the whole range with 
GL_MAP_READ_BIT | GL_MAP_WRITE_BIT | GL_MAP_FLUSH_EXPLICIT_BIT. And then draws,
immediately maps it again, draws, etc. This is like the definition of how not
to use these buffers. Anyways, this forces the creation of a staging bo (in
GART), which receives a copy of the old 128KB of data, and returns a pointer to
that. Then the program updates the 12 or whatever bytes of data, and flushes
them, so *just* those 12 bytes get written. [I'm not kidding, it literally
updates 12 bytes a lot of the time.]

I tried adding kicks in copy_data & co, but that (expectedly) didn't help.

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[Bug 91170] [NV50/Gallium] World of Zoo (in Wine) has rendering issues

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https://bugs.freedesktop.org/show_bug.cgi?id=91170

Ilia Mirkin <imirkin-FrUbXkNCsVf2fBVCVOL8/A@public.gmane.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|World of Zoo (in Wine) has  |[NV50/Gallium] World of Zoo
                   |rendering issues            |(in Wine) has rendering
                   |                            |issues

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[Bug 91170] [NV50/Gallium] World of Zoo (in Wine) has rendering issues

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GitLab Migration User <gitlab-migration-wf5LKTHn7b+es5Oj371l6A@public.gmane.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |MOVED

--- Comment #7 from GitLab Migration User <gitlab-migration-wf5LKTHn7b+es5Oj371l6A@public.gmane.org> ---
-- GitLab Migration Automatic Message --

This bug has been migrated to freedesktop.org's GitLab instance and has been
closed from further activity.

You can subscribe and participate further through the new bug through this link
to our GitLab instance: https://gitlab.freedesktop.org/mesa/mesa/issues/1075.

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