[Bug 91232] New: Torchlight 1&2 (in Wine): glitchy models when hardware skinning enabled - bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ

From: bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ@public.gmane.org
To: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Subject: [Bug 91232] New: Torchlight 1&2 (in Wine): glitchy models when hardware skinning enabled
Date: Sun, 05 Jul 2015 07:08:42 +0000	[thread overview]
Message-ID: <bug-91232-8800@http.bugs.freedesktop.org/> (raw)

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https://bugs.freedesktop.org/show_bug.cgi?id=91232

            Bug ID: 91232
           Summary: Torchlight 1&2 (in Wine): glitchy models when hardware
                    skinning enabled
           Product: Mesa
           Version: git
          Hardware: Other
                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

Created attachment 116947
  --> https://bugs.freedesktop.org/attachment.cgi?id=116947&action=edit
screenshot, comparison (nouveau vs. nvidia blob)

I believe this is different from bug #90887, I tried the patch from that bug
and it didn't help.
Models in Torchlight 1 and 2 are rendered incorrectly, they have lots of
flashing, white rectangles on them.Disabling hardware skinning in the options
menu makes the problem go away.
I see similar issues in some other games as well so this bug may affect
multiple games.

I tried and reproduced the problem in Mesa 10.1 and 10.4 too.
The software renderer doesn't have the problem.
Disabling shader optimization doesn't help.
The trace replays correctly on Nvidia blob 340.76.

Trace (uncompressed 43 MB):
https://drive.google.com/open?id=0B-tTbLKBl-tORHV2eGdleGk1dzQ

Fedora 22 32-bit
Kernel 4.0.6-300.fc22.i686+PAE
VGA compatible controller: NVIDIA Corporation G92 [GeForce GTS 250] (rev a2)
(prog-if 00 [VGA controller])
Mesa 10.6-branchpoint-826-gff0a41b
libdrm-2.4.62-1-g676c806
xf86-video-nouveau-1.0.11-23-gdfd827c

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