[Bug 885] - Screen Corruption in riven

http://bugs.winehq.com/show_bug.cgi?id=885

------- Additional Comments From [e-mail]  2002-07-18 23:30 -------
It's a timing problem, it seems that when the source and destination are the
same the screen is not updated properly before the next bitblt. I found this out
by putting a FIXME in a for loop. I wanted to slow this down so I could see the
problem as it progressed. What it did is clear the problem up.
....
             physDevDst->exposures++;
            wine_tsx11_unlock();
if (physDevDst == physDevSrc){
 INT q;
 for(q=1;q<1000 q++){
   FIXME("Same Source;
 }
}

return TRUE;
....

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