Hi all,
The current version of OpenGL for Yosimite 10.10.5, seems to be working
to some extent from the testing I have done here recently, depending on
the data you are loading.
I have a new set of flt tiles here that loading their associated dds textures
OK, I can convert the flt.files to .osgb,
HI David,
On 25 August 2015 at 01:00, David Guthrie wrote:
> I had modified the code to just ignore all loaded mipmaps in a few of the
> plugins to fix it, but everything work in older versions of OSG. The code
> is so different now, it's hard to tell what change triggered the problem.
>
If yo
Hi,
I had modified the code to just ignore all loaded mipmaps in a few of the
plugins to fix it, but everything work in older versions of OSG. The code is
so different now, it's hard to tell what change triggered the problem.
David
--
Read this topic online here:
http://forum.
Hi Robert,
We will be continuing our investigation
to see if we can get a better handle on
what is the culprit behind these differences...
The suggestion for the NodeVistor is also
something we will be looking at for the Mac
systems until such a time as we can find
out the exact cause of the issu
Hi Curtis,
On 18 August 2015 at 14:58, Curtis Rubel wrote:
>With things the way they are now, its very strange. I have a few sets
> of flight files that work and also a set that does not. The dropbox
> link I put in my last post for the small flight test case, the dds textures
> do not loa
Hi Robert,
OK thank you for taking a quick look
With things the way they are now, its very strange. I have a few sets
of flight files that work and also a set that does not. The dropbox
link I put in my last post for the small flight test case, the dds textures
do not load on the mac
Hi Curtis,
I've tried the model under Linux and it works fine. From converting to
.osgt I see the model originally had references to .dds files so presume
the osg::Image are generated with mipmaps and these are stored in the .ive
as they should be.
It very much looks like exactly the same proble
Hi Robert,
After some checking around with our development team,
we discovered that after updating to the latest OSX release
the newest GL package from Apple was also installed
as part of this update and this issue seems to have been resolved...
The numbers from my particular mac:
Version: 4.1 N
Hi Robert,
I am searching the OpenGL Mac forums right now to see if I can
find any references to mipmap or compressed textures but so
far no results. I will look a bit more before entering a new
post.
When I was replying earlier I missed the other updates on this
thread that occurred, so I now s
Hi Curtis,
On 12 August 2015 at 14:53, Curtis Rubel wrote:
> A real fix is going to take someone very good at openGL on the mac
> to find it then..
>
I suspect it might be a case of just confirming it's an OpenGL driver bug,
reporting this, and then coming up for workarounds for the interim.
A
Hi Robert,
I know the openGL implementation on the Mac is different, we
run into shader issues all the time when we setup our applications
to run on WIndows, Linux and Mac. It never fails the Mac will have
some sort of issue we need to account for...
A real fix is going to take someone very good
Hi Curtis,
On 12 August 2015 at 13:57, Curtis Rubel wrote:
> Hi Robert,
>
> OK I will do some more digging into this and see if I can
> find anything myself that could help. Hopefully there
> are some other mac folks out there that have a better
> background in this area than I do, that would b
Hi Robert,
OK I will do some more digging into this and see if I can
find anything myself that could help. Hopefully there
are some other mac folks out there that have a better
background in this area than I do, that would be nice...
I can def say that OSG 3.3.1 is working OK on my mac, as I jus
Hi Laurens,
I recall the thread. Alas there was no conclusion as to cause then.
This time around I have had a chance to the review a dataset that
doesn't work on OSX, and to the relevant code that passes that data to
OpenGL and it all looks OK, so it now I'm more certain it's an OSX
driver bug.
Just a quick remark: this problem was already on the mailing list.
[osg-users] OS X (10.9) Texture2D with hardware compression results in no
texture data.
David Guthrie May 28
http://forum.openscenegraph.org/viewtopic.php?p=63862#63862
Regards, Laurens Voerman.
__
Hi Curtis,
I have gone through the DDS plugin checking the mipmap_offsets vector
that gets passed to the osg::Image to set where the mipmap levels are
and it all looks correct. I've put debugging into the Texture.cpp
where the data gets download to the GPU and again all the values are
as they sho
Hi Curtis,
The model (both .flt and .osgb) works fine for me here - Linux, NVidia
drivers + Geforce GTX 760
Do you get any OpenGL errors reported to the console?
Robert.
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Hi Curtis,
Thanks for posting the model. I'm downloading it now.
However it's pretty late here in Scotland, and I have a lot of other
work to prep for the OSG-3.4 release and presentation work to do for
the OSG BOF at Siggraph tomorrow so really don't have time to look
into this evening. Might
Hi Robert,
The files ended up being a bit to big to upload I guess as it kept failing.
Here is a a link to my dropbox...
It contains a zip of the flt file, all the dds textures and a .osgb
file converted on the mac.
https://www.dropbox.com/s/t5r8x1s7ee6m107/DDS_TEST.zip?dl=0
This tile will loa
Hi Curtis,
Assigning a mipmap levels to an osg::Image won't affect loading of
that imagery. So when you say it doesn't load, could it be that it's
loading fine but a rendering bug of some sort is preventing the
texture it's assigned to from working.
Could you try converting the the model to an .
Hi,
I have looked a bit and did not find this specific issue listed, I think it
might have been reported already so please accept my apologies
if this is already in the pipeline to get taken care of
On Mac OSX Yosimite 10.10.3, osg/osgviewer does not seem to be able
to load DDS textures when
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