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Date:      Fri, 1 Oct 2010 10:14:53 -0500 (CDT)
From:      "Sean C. Farley" <scf@FreeBSD.org>
To:        Daichi GOTO <daichi@FreeBSD.org>
Cc:        freebsd-emulation@FreeBSD.org
Subject:   Re: VirtualBox 2D acceleration
Message-ID:  <alpine.BSF.2.00.1010011005470.69213@thor.farley.org>
In-Reply-To: <20101001122540.3eeed81b.daichi@freebsd.org>
References:  <alpine.BSF.2.00.1009252014010.37904@thor.farley.org> <20101001122540.3eeed81b.daichi@freebsd.org>

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On Fri, 1 Oct 2010, Daichi GOTO wrote:

> On Sat, 25 Sep 2010 20:21:31 -0500 (CDT) "Sean C. Farley" <scf@FreeBSD.org> wrote:
>> Here is a patch that adds 2D acceleration.  I am not sure if the 
>> VirtualBox_LIBS.freebsd line is needed or not, but it does not cause 
>> any apparent regressions.  I tested this with the Nvidia driver, and 
>> it shows improvement within the VM.  I do not know how other drivers 
>> will work.  EXA may be required over XAA.
>>
>> If the patch does not make it through the mailing list filter, it can 
>> also be found here:
>> http://people.freebsd.org/~scf/virtualbox-2daccel.patch
>
> Thanks great work!  (With guest os XP and Win7, it looks like working, 
> maybe... At least 2D checkbox is there)

You are welcome.

> I did test to check 2D acceleration effect with this patch, and 2D 
> benchmarks shows about the same index. No effect appears.  I want to 
> know that this 2D acceleration feature works for what and thats effect 
> actually. Someone has any ideas?

Did you install the guest additions experimental drivers to support 3D? 
What graphics hardware do you use?  I have an Nvidia 8800 GTS.  I do not 
know how well this option works for other hardware.  Also, what type of 
acceleration are you using for your X driver (check 
/var/log/Xorg.0.log).  EXA may be required over XAA.  At least, some 
type of acceleration is needed.

I am new to this option, so that is all I can surmise.

Sean
-- 
scf@FreeBSD.org



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