[Bug 31277] New: The Witcher 2 (GOG): Blue "Fog" Graphical Bug During Gameplay

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=31277

             Bug #: 31277
           Summary: The Witcher 2 (GOG): Blue "Fog" Graphical Bug During
                    Gameplay
           Product: Wine
           Version: 1.5.9
          Platform: x86-64
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: -unknown
        AssignedTo: wine-bugs at winehq.org
        ReportedBy: jedimasterpedro at hotmail.com
    Classification: Unclassified


Created attachment 41092
  --> http://bugs.winehq.org/attachment.cgi?id=41092
In-game screenshot of the bug in question

System Specifications:

OS: Ubuntu Linux 12.04 x86_64
RAM: Corsair Vengeance Blue 8 GB (2X4 GB) PC3-12800 1600MHz DDR3 240-Pin SDRAM
CPU: Intel® Core™ i5-2500K CPU @ 3.30GHz × 4
Video: Nvidia GeForce GTX 560 Ti 1GB VRAM @ 822GHz
Graphics Driver: Nvidia proprietary binary driver v295.40 for Linux x86_84
Wine Version: 1.5.9, provided by Ubuntu Wine Team PPA

Bug Description:

When attempting to run the full game, The Witcher 2 starts normally, loads into
menu screen, and creates a new game without any notable glitches, bugs, or
stalls. However, once a new game or tutorial is started, all textures and
models in game are surrounded by a blue "fog" that makes the game unplayable.
This has been tested on each of the application-provided graphics settings
(i.e. Low/Medium/High/Ultra) and using variable permutations of the Nvidia
graphics driver settings (e.g. VSync on/off, allow OpenGL flipping, etc.)

A screenshot demonstrating the bug is attached.

How to Reproduce:

1) Download The Witcher 2:Enhanced Edition from GOG (version as of July 21st is
3.2)and install using provided .exe using wine
2) winetricks d3dcompiler_43 (resolved issue with just a black screen on
startup)
3) winetricks xact_jun2010 (fixes issue with no keyboard input in game)
4) run bin/Configurator.exe to adjust settings
5) Download/install http://en.thewitcher.com/dotnet/ patch to avoid .NET 4.0
crash
6) run bin/witcher2.exe to start game

The game, configuration, installer, etc. all run fine otherwise.

Notes:

While searching for this bug, I noted that a number of ATI users in Windows
were experiencing something like this bug, and the solution for them involved
disabling driver settings that override application settings. This was
attempted using the Nvidia proprietary driver configuration utility, but the
bug remained.

Thank you.

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