Re: [osg-users] Building OSG on Ubuntu 20.04 with GLCORE profile

[Scott]

Hi Steve,

Here's the configuration that I've been using...

OPENGL_PROFILE=GLCORE
OSG_GL_CONTEXT_VERSION=4.6
OpenGL_GL_PREFERENCE=GLVND

With a clean CMAKE config, it will set the defaults... (purge all the 
OSG_xxx items if they already have values assigned)


OPENGL_HEADER1=#include 
OSG_GL1_AVAILABLE=OFF
OSG_GL2_AVAILABLE=OFF
OSG_GL3_AVAILABLE=ON
OSG_GL_DISPLAYLISTS_AVAILABLE=OFF
OSG_GL_FIXED_FUNCTION_AVAILABLE=OFF
etc...

Scott


On 4/5/21 12:20 PM, Hardy Family wrote:
The GtkGLArea widget in GTK3.24 requires GLCORE profile, so the 
standard Ubuntu/Debian openscenegraph package will not work as it is 
compiled with GL2 profile.  Unfortunately, my application uses Gtk so 
I am now forced to get it working.  So I loaded the source package 
(openscenegraph 3.6.4) and tried to build it.


First, with default configuration, except added
SET(OpenGL_GL_PREFERENCE "GLVND")
to stop the warning about having multiple library choices. This uses 
GL2 profile, and after building, osgviewer works fine.


Next, selected OPENGL_PROFILE "GLCORE" and also turned off all 
"available" except OSG_GL3_AVAILABLE.  Make clean then make again, and 
now osgviewer only shows an empty scene for the same test file.


Is there something else I have to do in the build?  (I'm not yet even 
to the point of testing with Gtk).


Interestingly, on the Raspberry Pi 4, which also runs Gtk3.24, my code 
is working fine with the standard distribution package, so I know it 
can be done.  On the Pi, OSG is version 3.2.3.


I don't mind a custom solution for this.  Normally we don't want to 
stray too far from standard distro, but our application is a machine 
controller so we supply and maintain the PC as well.


Regards,
Steve

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Re: [osg-users] Building OSG on Ubuntu 20.04 with GLCORE profile

[Broi, Franco]

I'm using OSG on Linux Mint and CentOS with Gtk. From my notes all I did was:

CMakeLists.txt

461c461
< SET(OPENGL_PROFILE "GL3" CACHE STRING "OpenGL Profile to use, choose from 
GL1, GL2, GL3, GLES1, GLES2, GLES3")
---
> SET(OPENGL_PROFILE "GL2" CACHE STRING "OpenGL Profile to use, choose from 
> GL1, GL2, GL3, GLES1, GLES2, GLES3")


On Mon, 2021-04-05 at 10:20 -0700, Hardy Family wrote:
The GtkGLArea widget in GTK3.24 requires GLCORE profile, so the standard 
Ubuntu/Debian openscenegraph package will not work as it is compiled with GL2 
profile.  Unfortunately, my application uses Gtk so I am now forced to get it 
working.  So I loaded the source package (openscenegraph 3.6.4) and tried to 
build it.

First, with default configuration, except added
SET(OpenGL_GL_PREFERENCE "GLVND")
to stop the warning about having multiple library choices.  This uses GL2 
profile, and after building, osgviewer works fine.

Next, selected OPENGL_PROFILE "GLCORE" and also turned off all "available" 
except OSG_GL3_AVAILABLE.  Make clean then make again, and now osgviewer only 
shows an empty scene for the same test file.

Is there something else I have to do in the build?  (I'm not yet even to the 
point of testing with Gtk).

Interestingly, on the Raspberry Pi 4, which also runs Gtk3.24, my code is 
working fine with the standard distribution package, so I know it can be done.  
On the Pi, OSG is version 3.2.3.

I don't mind a custom solution for this.  Normally we don't want to stray too 
far from standard distro, but our application is a machine controller so we 
supply and maintain the PC as well.

Regards,
Steve


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Re: [osg-users] Closing of osg-users@lists.openscenegraph.org, please subscribe to osg-users googlegroup

[Robert Osfield]

Hi All,

I've approved a number of new subscription to the osg-users google group
today, most went through OK, but two requests failed when I clicked to
approach, groups.google reported the error message:

"1 request couldn't be approved
We're unable to send a notification to this person about the action you've
performed"

I don't know what the actual cause was - could be something as simple as an
invalid address being used. Unfortunately the entries disappeared with no
record for me to follow up on the addresses, so if your attempt has failed
let me know and provide details about what method you used for subscription.

Conversely, if you have successfully subscribed today with a non google
account let us know what method you use so that others can follow this same
approach.

Cheers,
Robert.

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[osg-users] Building OSG on Ubuntu 20.04 with GLCORE profile

[Hardy Family]

The GtkGLArea widget in GTK3.24 requires GLCORE profile, so the standard 
Ubuntu/Debian openscenegraph package will not work as it is compiled with 
GL2 profile.  Unfortunately, my application uses Gtk so I am now forced to 
get it working.  So I loaded the source package (openscenegraph 3.6.4) and 
tried to build it.

First, with default configuration, except added 
SET(OpenGL_GL_PREFERENCE "GLVND")
to stop the warning about having multiple library choices.  This uses GL2 
profile, and after building, osgviewer works fine.

Next, selected OPENGL_PROFILE "GLCORE" and also turned off all "available" 
except OSG_GL3_AVAILABLE.  Make clean then make again, and now osgviewer 
only shows an empty scene for the same test file.

Is there something else I have to do in the build?  (I'm not yet even to 
the point of testing with Gtk).

Interestingly, on the Raspberry Pi 4, which also runs Gtk3.24, my code is 
working fine with the standard distribution package, so I know it can be 
done.  On the Pi, OSG is version 3.2.3.

I don't mind a custom solution for this.  Normally we don't want to stray 
too far from standard distro, but our application is a machine controller 
so we supply and maintain the PC as well.

Regards,
Steve

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Re: [osg-users] Closing of osg-users@lists.openscenegraph.org, please subscribe to osg-users googlegroup

[Robert Osfield]

This might be of use:

https://webapps.stackexchange.com/questions/13508/how-can-i-subscribe-to-a-google-mailing-list-with-a-non-google-e-mail-address/15593#15593

Looks like you may be able to send a email to
*osg-users+subscr...@googlegroups.com
* from the email account you want
to subscribe, then reply to the confirmation with a blank email, but don't
click on the confirmation link.

Failing that I can manually subscribe you.

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Re: [osg-users] Closing of osg-users@lists.openscenegraph.org, please subscribe to osg-users googlegroup

[Robert Osfield]

Hi Wener,

On Mon, 5 Apr 2021 at 11:30, Werner Modenbach <
werner.modenb...@modenbach-ac.de> wrote:

> I followed your suggestion by replacing "myid" by my mail address, which
> isn't registered for a Google account.
>

The link I provided earlier wasn't consistent, I copied and modified one I
found on the web and it looks like the actual link address didn't update
correctly.  I think this should be the correct link:

   http://groups.google.com/group/osg-users/boxsubscribe?email=myid


> There was no error message and I was forwarded to the Login page.
> But logging in with the mail address failed with the message: "Your Google
> account could not be found" (translated myself)
>
> So I'll wait if just the login fails and I get messages from the list or
> if everything failed.
>

There is chance it was the wrong url.


>
> Will keep you informed.
>

I haven't seen your email address on the new subscriptions list - I just
OK'd 4 new join requests, 3 were for gmail addresses, one from a non gmail
address so it should be possible.

I am sure joining a google group without gmail used to be more straight
forward so it does look like google have been trying to hide/exclude all
the obvious ways.

I will keep hunting for a good solution.
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Re: [osg-users] Closing of osg-users@lists.openscenegraph.org, please subscribe to osg-users googlegroup

[Robert Osfield]

There appears to be a perception that you can only join the osg-users group 
using a Google account.  This isn't correct, plenty of folk have already 
joined using non google email addresses.  

I did a search online about subscribing and came across the suggestion of 
using a url in the form:

http://groups.google.com/group/osg-users/boxsubscribe?email=myid

If you still are struggling to subscribe then I can manually add your email 
address.  Just email me directly and I can add you.

The trick of banning everyone from joining the old osg-users looks to have 
stopped the flood of dubious subscription requests so for now the immediate 
issue of me being overwhelmed with support work is over, but it's just a 
short term hack as it bans everyone, including genuine requests.

On Sunday, 4 April 2021 at 19:43:28 UTC+1 Robert Osfield wrote:

>
>
> On Sun, 4 Apr 2021 at 19:38, merspieler  wrote:
>
>> I have to sign in? Then I'm out of luck..
>
>
> I asked what you could see on screen - whether you saw a join or sign in 
> button.
>
> You don't need to sign in to use the googlegroup - you can simply use it 
> as a mailing list.
>
>  Also please remember, this is free support, I'm trying to help you and 
> others, for free, in my own free time.
>

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Re: [osg-users] Closing of osg-users@lists.openscenegraph.org, please subscribe to osg-users googlegroup

[Werner Modenbach]

Hi Robert,

I followed your suggestion by replacing "myid" by my mail address, which isn't 
registered for a Google account.
There was no error message and I was forwarded to the Login page.
But logging in with the mail address failed with the message: "Your Google 
account could not be found" (translated myself)

So I'll wait if just the login fails and I get messages from the list or if 
everything failed.

Will keep you informed.

- Werner -

Am 05.04.2021 um 12:19 schrieb Robert Osfield:
> There appears to be a perception that you can only join the osg-users group 
> using a Google account.  This isn't correct, plenty of folk have already 
> joined using non google email
> addresses. 
>
> I did a search online about subscribing and came across the suggestion of 
> using a url in the form:
>
>     http://groups.google.com/group/osg-users/boxsubscribe?email=myid 
> 
>
> If you still are struggling to subscribe then I can manually add your email 
> address.  Just email me directly and I can add you.
>
> The trick of banning everyone from joining the old osg-users looks to have 
> stopped the flood of dubious subscription requests so for now the immediate 
> issue of me being
> overwhelmed with support work is over, but it's just a short term hack as it 
> bans everyone, including genuine requests.
>
> Cheers,
> Robert.
>
> ___
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Re: [osg-users] Closing of osg-users@lists.openscenegraph.org, please subscribe to osg-users googlegroup

[Robert Osfield]

There appears to be a perception that you can only join the osg-users group
using a Google account.  This isn't correct, plenty of folk have already
joined using non google email addresses.

I did a search online about subscribing and came across the suggestion of
using a url in the form:

http://groups.google.com/group/osg-users/boxsubscribe?email=myid


If you still are struggling to subscribe then I can manually add your email
address.  Just email me directly and I can add you.

The trick of banning everyone from joining the old osg-users looks to have
stopped the flood of dubious subscription requests so for now the immediate
issue of me being overwhelmed with support work is over, but it's just a
short term hack as it bans everyone, including genuine requests.

Cheers,
Robert.
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