[Bug 22466] New: Zombie Driver: graphical glitches when using hardware vertex shaders

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=22466

           Summary: Zombie Driver: graphical glitches when using hardware
                    vertex shaders
           Product: Wine
           Version: 1.1.43
          Platform: x86
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: -unknown
        AssignedTo: wine-bugs at winehq.org
        ReportedBy: gyebro69 at gmail.com


Created an attachment (id=27522)
 --> (http://bugs.winehq.org/attachment.cgi?id=27522)
graphical anomalies in the game

In Zombie Driver (retail version, patched to 1.1.4) you can observe the
following two issues when hw. vertex shaders are enabled in Wine: 
#1 all characters (a.k.a. zombies) in the streets have strange colors
(white-pink/white-yellow)
#2 grey lines are across the screen when in-game shadows are turned on.

The game is based on the Ogre3D engine.

Workaround: disable vertex shader support in winecfg's graphics tab.

How to reproduce the bug:
After installation make sure you have the latest (1.1.4 as of writing) version
of the game. Launch the game, a configuration window will popup. Start a new
game by selecting 'Story mode': cruise the streets in your car until you come
across some zombies >> watch them in strange colors.

Note #1: there is a demo available for the game (still at version 1.06), in
which the issues are not present (using the same Wine version and
configuration, of course). I suppose one of the changes in the game's graphical
engine causes the glitches in the rendering. The issue can be observed from
patch 1.1.1 onward.

Note #2: the game will automatically install OpenAL,DirectX,PhysX and some MS
VC++ libraries. You need to set 'openal32.dll' to 'native' in order to start
the game properly.

Note#3: if you have game version 1.1.1 or 1.1.2, I suggest upgrading to the
latest, 1.1.4 version. The patch corrects some stability issues which can be
observed in Wine, too (the game hangs in an early stage).

Fedora 12 x86
Wine-1.1.43
Nvidia 7xxx series card with driver 195.36.15

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