http://bugs.winehq.org/show_bug.cgi?id=7584
------- Additional Comments From stefandoesinger@gmx.at 2007-05-03 14:30 ------- Interesting
I don't think something overwrites EndScene's address because it is written in read only memory. Anything changing it would cause an exception.
But check the d3d? -> d3d7 thunks. They can mess things up