Yet another D3D patch....

[Christian Costa]

Lionel Ulmer wrote:

>Hi all,
>
>This patch should not be dependant of any others... But to prevent line
>number errors, better to commit it after the 5 -> 9 series (yeah, the
>attachements are numbered to ease tracking :-) ).
>
>Changelog:
> - start of support for device locking / unlocking via glReadPixels /
>   glDrawPixels interface (slow but should be enough for a start)
> - implement one vertex case for the D3D3/7 DrawPrimitive functions
> - fix a missing \n in a TRACE call
>
>                Lionel
>
This patch breaks the TWIST demo that was working fine.
I think the changes in d3ddevice_create are responsible of that.