[Bug 6086] Master of Orion 2 hangs as soon as mouse is moved

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=6086





--- Comment #59 from Janosch Machowinski <jmachowinski at gmx.de>  2009-01-13 19:05:21 ---
Ok, we debugged this problem further.
We figurred out, that in Master of Orion there
are two threads. One thread that draws the screen,
to a backbuffer, then sets a variable, that supressed
WM_MOUSEMOVE processing and sends out a message, to 
request a backbuffer swap.
Thread two is only for message processing. When it
gets a buffer swap request (msgid 0x402) it swaps the
backbuffer and enables WM_MOUSEMOVE processing afterwards.

So the error comes down to the facts, that the wine ddraw
implementation ist too fast. 
This raises the interesting question, if wine should in case
of "Windows 95" artifically slow down ddraw, to imitate the
correct behaviour. 


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