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Date:	Thu, 15 Nov 2012 14:45:10 -0500
Message-ID:	<CAOkiwavGH5M+jjnYrq35n3LN_=4NCL6XqyH7sfVWiYEMoaBrQQ@mail.gmail.com>
Subject:	Re: [geda-user] PCB Viewport library
From:	JAMES HARIG <jharig23 AT gmail DOT com>
To:	geda-user AT delorie DOT com
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Thanks for the reply Peter.  On the PC that's broken, I'm running KUbuntu
in a virtual machine (virtualbox).

I just disabled 3d acceleration on the guest os, and now it work!  Though I
do get the following error:

OpenGL Warning: Failed to connect to host. Make sure 3D acceleration is
enabled for this VM.



On Thu, Nov 15, 2012 at 2:06 PM, Peter C.J. Clifton <pcjc2 AT cam DOT ac DOT uk> wrote:

> On Nov 15 2012, JAMES HARIG wrote:
>
>  Hello People,
>>
>> I'm starting to use gschem and pcb to do some example projects.  This is
>> working really well on one box, but on another PC, the PCB viewport window
>> hides everything.  For example, if I click the 'buffer' menu, the contents
>> of the menu appear behind the viewport.
>>
>> I'm wondering if I have the wrong version of some driver.  Can someone
>> tell
>> me what graphics library/rendering engine PCB uses?
>>
>
>
> It uses OpenGL (for 2D acceleration), rendered inside a GtkGLExt widget.
> It sounds to me like your 3D driver may be causing problems.
>
> Do you have any issues with other 3D software, or just PCB? What is your
> graphics card, distro and currently installed driver?
>
> I had a machine here at work today which displayed PCB's viewport
> completely black until I upgraded the proprietary NVIDIA driver to the
> latest version.
>
>
> Best wishes,
>
> Peter Clifton
>
>

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Thanks for the reply Peter. =A0On the PC that&#39;s broken, I&#39;m running=
 KUbuntu in a virtual machine (virtualbox).<div><br></div><div>I just disab=
led 3d acceleration on the guest os, and now it work! =A0Though I do get th=
e following error:</div>
<div><br></div><div><div>OpenGL Warning: Failed to connect to host. Make su=
re 3D acceleration is enabled for this VM.</div></div><div><br></div><div c=
lass=3D"gmail_extra"><br><br><div class=3D"gmail_quote">On Thu, Nov 15, 201=
2 at 2:06 PM, Peter C.J. Clifton <span dir=3D"ltr">&lt;<a href=3D"mailto:pc=
jc2 AT cam DOT ac DOT uk" target=3D"_blank">pcjc2 AT cam DOT ac DOT uk</a>&gt;</span> wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex"><div class=3D"HOEnZb"><div class=3D"h5">On N=
ov 15 2012, JAMES HARIG wrote:<br>
<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">
Hello People,<br>
<br>
I&#39;m starting to use gschem and pcb to do some example projects. =A0This=
 is<br>
working really well on one box, but on another PC, the PCB viewport window<=
br>
hides everything. =A0For example, if I click the &#39;buffer&#39; menu, the=
 contents<br>
of the menu appear behind the viewport.<br>
<br>
I&#39;m wondering if I have the wrong version of some driver. =A0Can someon=
e tell<br>
me what graphics library/rendering engine PCB uses?<br>
</blockquote>
<br>
<br></div></div>
It uses OpenGL (for 2D acceleration), rendered inside a GtkGLExt widget. It=
 sounds to me like your 3D driver may be causing problems.<br>
<br>
Do you have any issues with other 3D software, or just PCB? What is your gr=
aphics card, distro and currently installed driver?<br>
<br>
I had a machine here at work today which displayed PCB&#39;s viewport compl=
etely black until I upgraded the proprietary NVIDIA driver to the latest ve=
rsion.<br>
<br>
<br>
Best wishes,<br>
<br>
Peter Clifton<br>
<br>
</blockquote></div><br></div>

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