Re: [PATCH v6 0/4] MR8210: win32u: Use a pbuffer instead of OSmesa for memory DCs GL.

[Fabian Maurer (＠DarkShadow44)]

Fabian Maurer (@DarkShadow44) commented about dlls/win32u/opengl.c:
> +    const struct opengl_funcs *funcs = &display_funcs;
>      int interval;
>      HWND hwnd;
>
> -    if (!(funcs = get_dc_funcs( hdc, NULL )))
> -    {
> -        RtlSetLastWin32Error( ERROR_DC_NOT_FOUND );
> -        return FALSE;
> -    }
> -    driver_funcs = funcs == &display_funcs ? display_driver_funcs : memory_driver_funcs;
> -
>      if (!(hwnd = NtUserWindowFromDC( hdc ))) interval = 0;
>      else interval = get_window_swap_interval( hwnd );
>
> +    if (context->memory_pbuffer) return flush_memory_pbuffer( context, hdc, FALSE, funcs->p_glFlush );
>      return driver_funcs->p_swap_buffers( context ? context->driver_private : NULL, hwnd, hdc, interval );
> The `context` nullcheck is now pointless, since it's dereferenced anyways. Is that nullcheck superflous now, or should another nullcheck be added?

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https://gitlab.winehq.org/wine/wine/-/merge_requests/8210#note_106842