These errors are exactly the kind of error you get because the -devel component 
is missing from mesa-iegd-libGL-10.3-4.1.moblin2.i586.  Because the -devel 
component is missing, it gets pulled in from mesa-libGL instead of 
mesa-iegd-libGL, and then you start getting conflicts between these 2 packages. 
 It will only work if all dependencies are resolved without pulling in the 
non-iegd mesa-libGL.

I'll let you know as soon as I can get you're a mesa-iegd-libGL with the -devel 
components.

regards
Joel


From: Various Artist [mailto:thevariousart...@hotmail.com]
Sent: Thursday, March 25, 2010 1:55 PM
To: Clark, Joel; dev@moblin.org
Subject: RE: [Moblin Dev] Window transparency on Moblin OS (ClutterStage 
opacity?

Thanks Joel -- this is very helpful and I can stop thinking "it's me" ;-)


I will try your suggested approach for installing Clutter 1.2 by copying 
components from another mesa.


Note that I also tried out the "libmx" libraries that Chris suggested and was 
able to successfully build and run some of the tests there -- some very 
promising items there!  Of particular interest was the exact "deform texture" 
example that he demonstrated.  I had this all working on a Ubuntu VM though 
(limited graphics support) and now want to test that out on my Moblin IVI 2.1 
-- hoping to see the same examples work and with the transparency overlay as 
advertised.


However, when trying to install "libmx" I am running into dependencies that 
won't install on Moblin IV 2.1 -- and these errors look like they are related 
to the IEGD nature of that OS image:


Transaction Check Error:

  file /usr/lib/libGL.so from install of mesa-libGL-devel-7.6-6.1.moblin2.i586 
conflicts with file from package mesa-iegd-libGL-10.3-4.1.moblin2.i586

  file /usr/lib/libGL.so.1 from install of mesa-libGL-7.6-6.1.moblin2.i586 
conflicts with file from package mesa-iegd-libGL-10.3-4.1.moblin2.i586

  file /usr/lib/libGL.so.1.2 from install of mesa-libGL-7.6-6.1.moblin2.i586 
conflicts with file from package mesa-iegd-libGL-10.3-4.1.moblin2.i586



Any recommendations for the best approach to get around these issues.  This 
occurred during the installation of "clutter-imcontext" which is one of the 
dependencies for "libmx"

Thanks so much
Peter

> From: joel.cl...@intel.com
> To: thevariousart...@hotmail.com; dev@moblin.org
> Date: Thu, 25 Mar 2010 14:18:53 -0600
> Subject: RE: [Moblin Dev] Window transparency on Moblin OS (ClutterStage 
> opacity?
>
> For the work you are doing the main difference between Moblin IVI 2.1 and 
> "Moblin netbook" Chris is using is the IEGD 10.3 graphics driver. The Netbook 
> uses the Intel Linux open source graphics driver.
>
> The IEGD 10.3 graphics driver release did not include the mesa GL -devel 
> components, so they are not in the IVI 2.1 release repos. We are working on 
> updating the repos with these components, but in the mean time you can copy 
> these from any other mesa of the same version since the .h files are the same.
>
> regards
> Joel
>
>
>
>
> -----Original Message-----
> From: dev-boun...@moblin.org [mailto:dev-boun...@moblin.org] On Behalf Of 
> Various Artist
> Sent: Thursday, March 25, 2010 12:18 PM
> To: dev@moblin.org
> Subject: Re: [Moblin Dev] Window transparency on Moblin OS (ClutterStage 
> opacity?
>
>
> Thanks Chris, I will look into that and see if I can get the window/stage to 
> be transparent as it appears you have done so in that video clip. If 
> possible, I'd love to have the minimal lowdown on what basic option you set 
> in order to get the window to be transparent like that. I'm sure it must be 
> something simple, but my experiments with opacity at the stage level make all 
> the actors transparent, but not the stage itself.
>
> By the way, just to clarify the Moblin environment I use: it's the Moblin IVI 
> 2.1 -- note the IVI in the name -- which I understand is different from the 
> "regular Moblin OS". This is the version that I was having trouble with 
> building the source for 1.2.
>
> However, if I can make the transparent window work with the existing Clutter 
> 1.0 that comes on Moblin, then that would be fine and there'd be no immediate 
> need for me to install a later version. I'm only doing that to get the 
> transparency function "clutter_stage_set_use_alpha()" which doesn't seem to 
> have any effect on my Ubuntu VM anyway.
>
> Much appreciation for your assistance here...Kind regardsPeter
>
> > Subject: Re: [Moblin Dev] Window transparency on Moblin OS (ClutterStage 
> > opacity?
> > From: ch...@linux.intel.com
> > To: thevariousart...@hotmail.com
> > CC: dev@moblin.org
> > Date: Thu, 25 Mar 2010 18:36:45 +0000
> >
> > Hi Peter,
> >
> > Clutter does support what you want to do, as I've demonstrated in this
> > blog-post:
> > http://chrislord.net/blog/Software/mx-deform-texture.enlighten
> >
> > As for your build errors, try installing the Clutter development
> > packages from the Moblin repository first to make sure you have all the
> > necessary dependencies.
> >
> > I'm not sure what the package names are, but it seems you're missing the
> > mesa development headers and I've built Clutter/Mx on a Moblin netbook
> > before, so I know it works.
> >
> > Hope that helps,
> >
> > --Chris
> >
> > On Thu, 2010-03-25 at 09:12 -0700, Various Artist wrote:
> > > (Re-posting as my last post came out garbled....)
> > >
> > >
> > > I want to build a window that has some transparency such that the windows 
> > > behind are visible.
> > >
> > > I know it must be possible to do because:
> > > - the Intel IEGD Guide v10.3 mentions "Framebuffer Overlay Blending"
> > > - when I move any window on the Moblin OS, it becomes semi-transparent
> > > - so it must be possible to program this on the existing OS
> > >
> > > I'm using the Clutter libraries to develop the GUI, and hoping to make 
> > > use of this for creating the semi-transparent window. The current alpha 
> > > settings for the stage don't seem to take effect, but in the newer 
> > > version of Clutter 1.2 they have an option to have the ClutterStage be 
> > > transparent. Which brings me to my second point
> > >
> > > I want to install Clutter-1.2 onto the Moblin 2.1 OS, but I get errors 
> > > when building from the source.
> > >
> > > checking GL/glx.h usability... no checking GL/glx.h presence... no 
> > > checking for GL/glx.h... no
> > >
> > > configure: error: Unable
> > > to locate required GLX headers
> > >
> > >
> > > I have no problem building on Ubuntu and any missing packages there are 
> > > easily installed. But on Moblin I cannot seem to locate the correct 
> > > package to get rid of the issue above. I believe this is because there is 
> > > something different about the implementation of GL on Moblin than on 
> > > Ubuntu.
> > >
> > > I'm trying to come up to speed fast on the Clutter development on Moblin 
> > > OS, so any help is appreciated.
> > >
> > > Kind regards
> > > Peter
>
> >

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