[Bug 9774] Max Payne 1.05 - T-junction-like graphic bugs

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=9774





--- Comment #22 from Stefan Dösinger <stefandoesinger at gmx.at>  2007-10-25 15:21:27 ---
Hmm, this looks like a precision problem, and the clear background color comes
through. This could actually be a game bug, where the game doesn't make sure
that the vertices are close enough at each other. So the in princible undefined
old colors come through.

Now while Windows doesn't give any guarantees regarding the back buffer content
after a present call, it is unlikely to be the color that wine currently clears
the back buffer with. On most drivers it is the old front buffer content, or
just black. In both cases the lack of precision won't be that visible due to
the general color theme of the game. So the question is if it is wine's fault
that the old color shows up, or if the old color just shouldn't be such an
obvious color.

Can anyone download the directx sdk and install it on a windows box? In this
case you get a new control panel entry which allows you to switch to the debug
runtime. The debug runtime fills the back buffer after a present with a yellow
and black color pattern according to the docs. With this a simmilar bug might
be visible on Windows.


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