OpenGL 3 and higher support on Win 8.1 guest

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OpenGL 3 and higher support on Win 8.1 guest

Postby MR » 8. Jul 2014, 16:06

Hi,

i searched a lot but didn't found a clear statement about graphic card support on VM (Win 8.1).

I'm having a Win 7 host with Win 8.1 guest.
I need graphics card support from OpenGL 3 and higher.

Does VB supports it?
And if yes, what do I need to configure to have that OpenGL support inside VM for a powerfull CAD/Simulation-applicaiton?


Best regards,
MR
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Re: OpenGL 3 and higher support on Win 8.1 guest

Postby loukingjr » 8. Jul 2014, 17:36

You need the graphics card on your host to support openGL 3.0 or higher. If you can't run the "powerfull CAD/Simulation-applicaiton" on your host it probably won't run in a guest.
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Re: OpenGL 3 and higher support on Win 8.1 guest

Postby MR » 9. Jul 2014, 09:48

The host supports OpenGL 4.4.
There is a NVIDIA Quadro K3000M.


But the guest hast just a "VirtualBox Graphic Adapter for Windows8" which supports OpenGL 1.1.


What do I need to configure on the guest to have a more powerfill graphics or isn't it possible at all?
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Re: OpenGL 3 and higher support on Win 8.1 guest

Postby loukingjr » 9. Jul 2014, 09:56

It's not possible unless the developers decide to rewrite the drivers. I'm not sure why you would want to try and run a graphically intense app in a guest anyway. It's bound to be slow.
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Re: OpenGL 3 and higher support on Win 8.1 guest

Postby MR » 9. Jul 2014, 10:24

Because we need some testing environments for this applicaiton and
there was an idea to have several VMs for that instead of having a lot of real hardware machines,
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Re: OpenGL 3 and higher support on Win 8.1 guest

Postby loukingjr » 9. Jul 2014, 10:29

well that makes sense but I guess you will have to wait and see if there is openGL 3.0 support in the future.

btw, I believe VB supports openGL 2.0.
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Re: OpenGL 3 and higher support on Win 8.1 guest

Postby MR » 9. Jul 2014, 15:34

Can you explain me how to enable OpenGL 2.0 support at least?
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Re: OpenGL 3 and higher support on Win 8.1 guest

Postby loukingjr » 9. Jul 2014, 15:41

you have to install the guest additions and choose the WDDM driver. if you've already installed the guest additions with the DirectX driver I assume you would have to remove those first.
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Re: OpenGL 3 and higher support on Win 8.1 guest

Postby MR » 9. Jul 2014, 17:22

Can you tell me where to download the correct "Guest additions" for that OpenGL driver?

I have downloaded it from http://download.virtualbox.org/virtualbox/4.3.12/
but it just contains the DirectX stuff which I uninstalled right now.
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Re: OpenGL 3 and higher support on Win 8.1 guest

Postby loukingjr » 9. Jul 2014, 17:26

I believe it defaults to WDDM for Windows 8.1. It's been awhile since I installed 8.1.
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Re: OpenGL 3 and higher support on Win 8.1 guest

Postby MR » 9. Jul 2014, 17:34

I have uninstalled it and now there is grahpics card: Microsoft Basic Display Adapter

On reinstalling, there is no possibility to unselect the DirectX component.
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