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List:       wine-devel
Subject:    Re: [dx9-12] Major change to design
From:       Alexandre Julliard <julliard () winehq ! org>
Date:       2004-10-27 1:15:24
Message-ID: 87ekjl0xn7.fsf () mail ! wine ! dyndns ! org
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"Ann and Jason Edmeades" <us@the-edmeades.demon.co.uk> writes:

> In this case (very pseudo code!)
>
> D3D9 SetStreamSource (idx, d3d9_vb):
>    Call WineD3D SetStreamSource(idx, d3d9_vb->wined3d_vb)
>
> WineD3D SetStreamSource:
>    In an array store the new vb and addref, and release the old one.
>
> If I just addref/release the wined3d interface, I am not maintaining correct
> reference counting for the d3d9 object (Think: Create, SetStreamSource,
> Release. We would release the d3d9 one when we shouldn't).

Yes, but that should be up to the wined3d_vb object then, if it holds
a pointer it has to maintain the reference count; users of wined3d_vb
don't have to know that it contains a parent pointer.

-- 
Alexandre Julliard
julliard@winehq.org

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