[Bug 37068] New: XIII: Canyon levels not rendered correctly

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=37068

            Bug ID: 37068
           Summary: XIII: Canyon levels not rendered correctly
           Product: Wine
           Version: 1.7.0
          Hardware: x86
                OS: Linux
            Status: NEW
          Keywords: regression
          Severity: minor
          Priority: P2
         Component: directx-d3d
          Assignee: wine-bugs at winehq.org
          Reporter: gyebro69 at gmail.com
                CC: stefan at codeweavers.com
   Regression SHA1: ba61730daa6a614ef07128a69a0bbca819e716b4

Once there was bug #30194 and the issue was gone between Wine 1.6-rc3 and 1.6.
Sadly, the exact same issue has been re-introduced since Wine 1.7.0, the Canyon
levels are unplayable, because the whole screen is filled with some fog.
This is after

ba61730daa6a614ef07128a69a0bbca819e716b4 is the first bad commit
commit ba61730daa6a614ef07128a69a0bbca819e716b4
Author: Stefan Dösinger <stefan at codeweavers.com>
Date:   Thu Aug 1 12:25:55 2013 +0200

    wined3d: Avoid calculating 1 / (fog_end - fog_start) in the shader.

:040000 040000 def6053aef8ca5551147e39fd1534f68e08ed32b
90db6148516cc12e0a95ca2e2857af700dc0dd83 M    dlls

The patch can be reverted cleanly on 1.7.23 and it fixes the problem.

Disabling GLSL doesn't help.

I can't reproduce the problem with the open source nouveau driver, this may be
a bug in the Nvidia driver. I don't have Intel or AMD gfx card to test it.

Terminal output:
>fixme:win:EnumDisplayDevicesW ((null),0,0x32db08,0x00000000), stub!
>fixme:d3d8:ValidateVertexShader (0x17e3900 (nil) (nil) 1 0x32d7d8): stub
>fixme:d3d:wined3d_swapchain_set_gamma_ramp Ignoring flags 0x1.

Let me know if you need further tests or debug logs.

Fedora 20
Nvidia binary drivers 340.24
wine-1.7.23-90-gbdeb761

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