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Re: hybird display adapter can't run DWM in Server 2008 R2 if one of adapter does't support 3D

 
 
Ivan Brugiolo [MSFT]
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Posts: n/a

 
      10-21-2009



1)
Short answer: NO
Long answer:
In theory, if the display-set has VidPn-Exclusive-Ownership outputs for your
card
and VidPn-Shared-Ownership outputs for the remaining ones, then yes.
In other words: if you have a full-screen DXGI/D3D[10|11] application
on the monitor that is being driven by your card, then the deskop compositor
would not consider that as elegible for composition (because it is not
own-able),
but it would start on the other monitors.
In theory, you could write a DDraw (pure 2D) runtime that behaves like a
D3D10 runtime with regard of VidPn Ownership [this problem is also
referred to as Runtime-mamanged-Primaries vs Application-managed-primaries],
but, that runtime does not exist for D3D < 9l, and, there are no plan to
make one.

In general, having desktop composition active on multiple heterogeneour
adapters is fully supported in Win7/WS08-R2 and routinely tested.
The requirements for desktop composition are unchanged from Vista:
D3D9L capable card with pixled-shader 2.0 support, and video-ram
and video-ram-bandwidth adequate to driver your screen size.

2)
I'm not familiar with the logo requirements.
I would start doing a search for `?q=FeatureScore+WDDM`.
That should bring you to a document that describes high level the
requirements.


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"nan_hsing Chang" <> wrote in message
news:b6d863da-4dfa-4760-bedd-...
>I wrote the WDDM for our display adapter, but our adapter does not
> have 3D HW acceleration. Thereby, my user mode driver report unsupport
> all Dx9 caps and the DWM(Desktop windows manager) can't run in Server
> 2008 R2 system.
>
> I plug our display adapter and NVIDIA card into Windows Server 2008
> R2, the system run in the dual view, but the DWM still cannot run.
> When the system only plug NVIDIA card, the DWM can run with aero
> effect. My question is as follows.
>
> 1. In hybird display adapter system, is it possible that one run DWM
> and another does not run DWM?
> 2. Could my WDDM driver get windows 2008 R2 logo without 3D HW, that
> only have display and VGA function?


 
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