Enable retrieving the render target surface of a device through its
QueryInterface method.
Avoid lights updating when a viewport and a device have not been
associated to them.
Clear the Z buffer only when we're asked to by Checking D3DBTL_FILL
flag.
- some changes in the execute buffer to reuse the new Matrix code
- always reinitialize the enumeration structures in case some games
modify them
- added support for the (unused) Reserved1 field in the FVF formats
- fix 32 bit texturing and added more checks
- remove some useless and annoying fixme
files/dirs for easier maintenance. Cleaned up structs and include
files. Reindented the code. Started the same for Direct3D. Driver
inclusion now done by using configure/Makefile/ELF constructor tricks.