A fix for a problem with older games

Stefan Dösinger stefandoesinger at gmx.at
Tue Sep 11 14:50:23 CDT 2007

Am Sonntag, 9. September 2007 17:10:39 schrieb Martin:
That patch is not correct

Are you sure that this patch really causes a problem? If you are running the 
game in winedbg and get an exception there it is a symptom of the DIB 
management in winex11.drv. You can just use "pass" to pass the exception up 
to the next handler(winex11.drv). The exception never reaches the app.

If you really get a crash there then This->resource.allocatedMemory is 
pointing to a bad location, most likely NULL. This is a problem at some other 
place and should be fixed elsewhere.

This read is a hack to work around a bug in the open source ati driver which 
caused a hard system crash if an exception occured during glDrawPixels. You 
can remove hack as a whole if it really causes problems, but this will cause 
hard crashes for a wide range of radeon drivers(xorg 6.8 and 7.0 at least). I 
think it is fixed in the latest version, but I am not sure, I'd have to test 
that. Since the hack is confined in one single function and doesn't have any 
side effects I decided to keep it.
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