[Bug 7970] D3DERR_INVALIDCALL when building is deshrouded in C&C 3, probably vertex shaders

[Wine Bugs]

http://bugs.winehq.org/show_bug.cgi?id=7970

------- Additional Comments From [e-mail]  2007-07-04 22:37 -------
Probably a simple IsRectEmpty() call would do the job instead of the whole
comparison trouble contained in this patch (including existing and new lines
of code).