[Bug 13225] Sacrifice Demo: black square behind the mouse

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=13225





--- Comment #6 from Alexander Dorofeyev <alexd4 at inbox.lv>  2008-05-15 16:54:30 ---
Created an attachment (id=13086)
 --> (http://bugs.winehq.org/attachment.cgi?id=13086)
float precision hack

This seems to be some float precision issue. It depends on how hardware
converts integer values to floating point or vice versa or how it compares it.
So it's not surprising this could be different depending on a driver or
depending on if it falls back to software rendering (I guess what
LIBGL_ALWAYS_INDIRECT=1 is doing). Attached hack fixes it on my machine
(geforce6100). At the moment, I'm not sure how to fix it properly, without
possibly breaking some other games (or some other hardware) :(.

Please test it (the more hardware tested the better) and let me know how it
works there.


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