Re: [PATCH v2 0/9] MR6291: wineandroid, winemac, winex11: Get rid of the driver-side window surface pointer.

[Elizabeth Figura (＠zfigura)]

Elizabeth Figura (@zfigura) commented about include/ntuser.h:
> return NtUserCallHwndParam( hwnd, (UINT_PTR)¶ms, NtUserCallHwndParam_SendHardwareInput );
>  }
>
> +struct expose_window_surface_params
> +{
> +    UINT flags;
> +    BOOL whole;
> +    RECT rect;
> +    UINT dpi;
> +};
> +
> +static inline BOOL NtUserExposeWindowSurface( HWND hwnd, UINT flags, const RECT *rect, UINT dpi )

Is this actually going to be called from PE code? If not, wouldn't it be simpler to not marshal through NtUserCallHwndParam(), and just add a dedicated Unix-side export in win32u? Note there is precedent for that.

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https://gitlab.winehq.org/wine/wine/-/merge_requests/6291#note_78997