[Bug 48787] New: WineD3D C&C Generals Zero Hour takes a lot time to load or maximize

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=48787

Bug ID: 48787
           Summary: WineD3D C&C Generals Zero Hour takes a lot time to
                    load or maximize
           Product: vkd3d
           Version: 1.1
          Hardware: x86-64
                OS: Windows
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: vkd3d
          Assignee: [e-mail]
          Reporter: [e-mail]

As you know (C&C Generals Zero Hour) is an old game. And it use DirectX 8.1.

These type of games don't stable in current Windows' versions.

So WineD3D used to valid run them on Windows.

Using: C&C Generals Zero Hour (Last Version 1.04)
       Windows 10 (1909)
       WineD3D (From Wine 5.4)https://fdossena.com/?p=wined3d/index.frag
       Both (Intel and AMD) cards tested

Expected Result: Works fine with high speed.

Actual Result: Very long time on maximize the game after minimize or switch to
another application
               Long time on loading the game (Not happen on MS DirectX)