https://bugs.winehq.org/show_bug.cgi?id=45728
--- Comment #4 from Fabian Maurer dark.shadow4@web.de --- Just for clarity, there's a difference between d3d11 and d3dx11.
Anyways, can you maybe provide an apitrace of the D3D11 calls? You can run apitrace with wine to record them, could probably help reproducing the problem.