[Bug 27712] New: The Witcher 2 : Fails to launch with black screen and unsafe_impl error

http://bugs.winehq.org/show_bug.cgi?id=27712

Summary: The Witcher 2 : Fails to launch with black screen and
                    unsafe_impl error
           Product: Wine
           Version: unspecified
          Platform: x86-64
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: directx-d3d
        AssignedTo: [e-mail]
        ReportedBy: [e-mail]

The Witcher 2 shows only a black screen when launched. This error appears in
console:

shader.c:312: unsafe_impl_from_IDirect3DPixelShader9: Assertion `iface->lpVtbl
== &d3d9_pixelshader_vtbl' failed.

I ran a regression test and this was the result:

704f0efe0c931c12b0a6827467b949cac52b752c is the first bad commit
commit 704f0efe0c931c12b0a6827467b949cac52b752c
Author: Michael Stefaniuc 
Date:   Tue Jul 5 12:03:20 2011 +0200

d3d9: Use unsafe_impl_from_IDirect3DPixelShader9 for an app provided iface.

:040000 040000 669e848c2d146d7c6718c079ba491ea1f5b6a80b
b63020ed2098650c039c79db6c35d6e0810dfc19 M      dlls