[Bug 39478] Call of Duty: United Offensive demo crashes at launch

[wine-bugs at winehq.org]

https://bugs.winehq.org/show_bug.cgi?id=39478

--- Comment #3 from Matteo Bruni <matteo.mystral at gmail.com> ---
Created attachment 52617
  --> https://bugs.winehq.org/attachment.cgi?id=52617
Fix

I see, the game actually creates a ddraw7 object to retrieve the VRAM size,
apparently.

FWIW it does crash for me showing a "buffer overrun" messagebox unless I limit
the GL extension string. In that case it works fine here on Mesa but it crashes
on Nvidia as in the attached log.

It turns out that it's crashing in wined3d because of the
__GL_ExtensionStringVersion thing. Specifically, we enable the ARB_DEBUG_OUTPUT
flag because we get an OpenGL 4.5 context but the extension is disabled in the
driver and the extension entrypoints are set to NULL.

The attached patch fixes it for me. Running the game with WINEDEBUG=-d3d should
also workaround.

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