[Bug 30019] New: The Chosen (Well of Souls) demo - terrible performance in mid-game

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=30019

             Bug #: 30019
           Summary: The Chosen (Well of Souls) demo - terrible performance
                    in mid-game
           Product: Wine
           Version: 1.3.18
          Platform: x86
               URL: http://www.fileplanet.com/181300/180000/fileinfo/The-C
                    hosen:-Well-of-Souls-Demo
        OS/Version: Linux
            Status: NEW
          Keywords: download, regression
          Severity: normal
          Priority: P2
         Component: directx-d3d
        AssignedTo: wine-bugs at winehq.org
        ReportedBy: gyebro69 at gmail.com
                CC: stefan at codeweavers.com
    Classification: Unclassified
   Regression SHA1: 46d879eef60d6c2c6c8a7e9daf12b1448bdec7d5


Created attachment 39087
  --> http://bugs.winehq.org/attachment.cgi?id=39087
terminal output

Performance is okay in the menus, but as soon as you start a new game,
performance drops dramatically, making the game unplayable.

The problem appeared in 1.3.18 and is still present in 1.4-rc5.
The result of the regression test:

46d879eef60d6c2c6c8a7e9daf12b1448bdec7d5 is the first bad commit
commit 46d879eef60d6c2c6c8a7e9daf12b1448bdec7d5
Author: Stefan Dösinger <stefan at codeweavers.com>
Date:   Sun Feb 6 23:28:11 2011 +0100

    wined3d: Don't drop VBOs for full buffer reloading without conversion.

:040000 040000 51050f46cee246b078aee2242b13eaa2cd90e496
609b304a5eb5e36ba918d8c917b4d366b5e2376c M    dlls

The patch can be reverted cleanly on 1.4-rc5 and that fixed the problem.

Fedora 16
Nvidia 250 / driver 290.10
X.Org X Server 1.11.4

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