This particular commit breaks Galactic Civilizations 2 Dark Avatar. Would a trace be helpful?
438c17284138776edbbe9196364ae620bbf01adb is first bad commit commit 438c17284138776edbbe9196364ae620bbf01adb Author: Stefan Dösinger stefandoesinger@gmx.at Date: Tue Jan 2 21:31:08 2007 +0100
wined3d: Move decoding the vertex declaration to the vertexshader state handler.