Re: [PATCH v2 0/4] MR4452: d2d1: Acquire lock before attempt to draw to device context

[Nikolay Sivov (＠nsivov)]

Nikolay Sivov (@nsivov) commented about dlls/d2d1/device.c:
> render_target->device = device;
>      ID2D1Device1_AddRef(&render_target->device->ID2D1Device1_iface);
>
> +    ID2D1Factory_QueryInterface(render_target->factory, &IID_ID2D1Multithread, (void **)&multithread);
> +    if (ID2D1Multithread_GetMultithreadProtected(multithread)) {
> +        render_target->cs = d2d_factory_mt_get_cs(multithread);
> +    } else {
> +        render_target->cs = NULL;
> +    }
> +    ID2D1Multithread_Release(multithread);
> +

I would store "struct d2d_factory *" instead, and then you can have some helper to leave/enter with it.

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https://gitlab.winehq.org/wine/wine/-/merge_requests/4452#note_53464