[Bug 26490] Guild Wars: Black graphics in the Eye of the North addon

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=26490

--- Comment #4 from GyB <gyebro69 at gmail.com> 2011-03-20 10:07:55 CDT ---
(In reply to comment #3)
> Does winetricks glsl-disable happen to work around it?

Nope. Disabling vertex shaders does workaround the issue (but it disables most
of the nice effects in the game).

Here's the result of my regression test:

91ac0c37b1f36978d8bf974daf24ad9c77d49d6f is the first bad commit
commit 91ac0c37b1f36978d8bf974daf24ad9c77d49d6f
Author: Henri Verbeet <hverbeet at codeweavers.com>
Date:   Mon Jan 24 18:41:16 2011 +0100

    wined3d: Disable vertex shader output clamping.

    It looks like NV50+ hardware gets you infinities and NaN's in D3D as well
for
    most things, so we should only need special handling for pow and nrm.


Already mentioned in bug #25965.

The patch can be reverted cleanly on Wine-1.3.16 and that fixed the problem for
me.

The same commit causes similar visual glitches in Spellforce on my system, when
shadowtype is set to 'normal' in the options menu: tall, black column-like
objects appear on the screen in Spellforce.

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