Nouveau - Apr 2011 - [Bug 35878] New: Incorrect rendering of neverball reflection effect

https://bugs.freedesktop.org/show_bug.cgi?id=35878

           Summary: Incorrect rendering of neverball reflection effect
           Product: Mesa
           Version: git
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: minor
          Priority: medium
         Component: Drivers/DRI/nouveau
        AssignedTo: nouveau at lists.freedesktop.org
        ReportedBy: maximlevitsky at gmail.com


Created an attachment (id=45140)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=45140)
git snapshot

Hardware: Geforce 8400M GS - (0x086700a2)
          Acer Aspire 5720G

Userspace: Git tips of all components except Xserver.
          In attached file, you see the latest commits of each tree

Kernel drm version: dd34154f9bd75d13caefffd9d6086a1d23a45856
          drm/nouveau: use static vidshift of 2 on volt 0x30 tables


This can be seen in the welcome screen, might somehow be related to stencil.
Screenshot attached.

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https://bugs.freedesktop.org/show_bug.cgi?id=35878

--- Comment #1 from maximlevitsky at gmail.com 2011-04-01 09:13:10 PDT ---
Created an attachment (id=45141)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=45141)
screenshot

you see that letters are rendered with black surface instead of glassy one

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https://bugs.freedesktop.org/show_bug.cgi?id=35878

maximlevitsky at gmail.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Priority|medium                      |low

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--- Comment #2 from Christoph Bumiller <e0425955 at student.tuwien.ac.at>
2011-04-01 12:03:47 PDT ---
This is because user clip planes are ignored by nv50, it looks correct on nvc0
and like on the screenshot when I comment out the clip planes enable there.

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--- Comment #3 from maximlevitsky at gmail.com 2011-04-01 12:43:50 PDT ---
Aha!. Thats the same problem with 3D windows of compiz.
So thats is a really very minor problem.

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maximlevitsky at gmail.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|Incorrect rendering of      |No support for user clip
                   |neverball reflection effect |planes in NV50 driver
           Priority|low                         |lowest

--- Comment #4 from maximlevitsky at gmail.com 2011-04-01 12:45:05 PDT ---
Aha!. Thats the same problem with 3D windows of compiz.
So thats is a really very minor problem.

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--- Comment #5 from maximlevitsky at gmail.com 2011-05-16 21:35:03 PDT ---
Created an attachment (id=46789)
 View: https://bugs.freedesktop.org/attachment.cgi?id=46789
 Review: https://bugs.freedesktop.org/review?bug=35878&attachment=46789

patch

Should fix this

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maximlevitsky at gmail.com changed:

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

--- Comment #6 from maximlevitsky at gmail.com 2011-05-19 11:12:05 PDT ---
patch applied now, bug fixed.

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