[Bug 51189] New: DX11 performance is much lower than DX9 in Heaven on Windows

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=51189

Bug ID: 51189
           Summary: DX11 performance is much lower than DX9 in Heaven on
                    Windows
           Product: Wine
           Version: 6.8
          Hardware: x86-64
                OS: Windows
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: directx-d3d
          Assignee: [e-mail]
          Reporter: [e-mail]

1. Compile directx dll for Windows including d3d9.dll, d3d11.dll, dxgi.dll,
wined3d.dll.
2. Install Heaven on Windows OS and Nvidia Graphics card platform.
3. Intall the Wined3d dlls in Windows and make sure Heaven load the wined3d
dlls.
4. Test Heaven benchmark, find that the FPS on Heaven DX11 is much lower than
on Heaven DX9, it is about: FPS on DX11 = 1/3 * FPS on DX9

Use Windows Performance Recorder and Windows Performance Analyzer to debug this
performance issue. We can see many CPU cycle spends on wined3d_cs_mt_finish.

Could you give any advice?