[osg-users] Does OSG work on Mac OS?

[Martin Wong]

Hi, Hanson,

I have given up the OSX as dev platform. While I can prepare a dev env in
Linux in minutes, I have to waste weeks to solve problems in OSX. What a
pity.

On Wed, Sep 20, 2017 at 1:19 AM, Chris Hanson <xenon at alphapixel.com> wrote:

> I will say, we do get OSG working on OSX and iOS for our clients, but
> virtually every time we do so it involves hacking around some new monkey
> wrench Apple has thrown in the works.
>
> I think they really want to emphasize Metal, and are somewhat making
> OpenGL a bastard step-child.
>
> On Tue, Sep 19, 2017 at 8:44 AM, Martin Wong <wwthunan at gmail.com> wrote:
>
>> Hi, Robert,
>>
>> Well, Ubuntu in vmware seems better than MacOS. At least there is
>> something shown.
>> Is  this result correct?
>>
>>
>>
>> ----
>> Martin
>> ​
>>
>> On Mon, Sep 18, 2017 at 7:23 PM, Robert Osfield <robert.osfield at gmail.com
>> > wrote:
>>
>>> Hi Martin,
>>>
>>> On 18 September 2017 at 10:23, GeeKer Wang <wwthunan at gmail.com> wrote:
>>>
>>>> I am actually using the git version, which doesn't work. Although I
>>>> have:
>>>>
>>>> glVersion=4.1, isGlslSupported=YES, glslLanguageVersion=4.1,
>>>>
>>>> there are still errors for osgsimplegl3:
>>>>
>>>> Warning: detected OpenGL error 'invalid enumerant' at Before
>>>> Renderer::compile
>>>> WARNING: Could not find vertex shader attribute 'osg_MultiTexCoord7' to
>>>> match BindAttributeLocation request.
>>>> WARNING: Could not find vertex shader attribute 'osg_MultiTexCoord5' to
>>>> match BindAttributeLocation request.
>>>> WARNING: Could not find vertex shader attribute 'osg_SecondaryColor' to
>>>> match BindAttributeLocation request.
>>>> WARNING: Could not find vertex shader attribute 'osg_MultiTexCoord1' to
>>>> match BindAttributeLocation request.
>>>> WARNING: Could not find vertex shader attribute 'osg_MultiTexCoord6' to
>>>> match BindAttributeLocation request.
>>>> WARNING: Could not find vertex shader attribute 'osg_FogCoord' to match
>>>> BindAttributeLocation request.
>>>> WARNING: Could not find vertex shader attribute 'osg_Color' to match
>>>> BindAttributeLocation request.
>>>> WARNING: Could not find vertex shader attribute 'osg_MultiTexCoord4' to
>>>> match BindAttributeLocation request.
>>>> WARNING: Could not find vertex shader attribute 'osg_MultiTexCoord2' to
>>>> match BindAttributeLocation request.
>>>>
>>>
>>> Others are using GL Core Profile under OSX with git master OK, I will
>>> have to leave it to them to help you further on OSX as I don't have OSX
>>> myself.
>>>
>>> Even not for Mac, how about mesa3d, which doesn't work if no special
>>>> graphic?
>>>>
>>>
>>> I haven't tested Mesa3D on a Mac so can't comment on this.  In principle
>>> is should work, but Mesa3D isn't just one version...
>>>
>>>
>>>>
>>>> For example,  I tried osgsimplegl3 in ubuntu in parallel virtual
>>>> machine,
>>>>
>>>> VERTEX glCompileShader "" FAILED
>>>> VERTEX Shader "" infolog:
>>>> 0.1(10): error: GLSL 1.40 not supported
>>>>
>>>> because mesa3d only support GLSL 3.3 in core profile.
>>>>
>>>> Then OSG doesn't support core profile in linux. Am I right? Or is there
>>>> special compiling flags to turn on?
>>>>
>>>
>>> git master should support it just fine.
>>>
>>> FYI, I develop under Kubunutu as my main dev system and test out various
>>> version of GLSL as part of my work.
>>>
>>> Typically under Linux you don't need to explicitly compile against GL
>>> Core Profile, everything works fine with the compatibility Profile.  I am
>>> aware that recent support for recent GL versions in Mesa has temporarily
>>> not provided the Compatibility Profile. but this is likely to change in
>>> future.   I recently checked in code to explicitly requesting specific
>>> version of GL when creating graphics context, have a look at the logs for
>>> osgViewer.
>>>
>>> What may be affecting you is GL support under the virtual machine, doing
>>> so just adds more layers that can compromise full support of the hardware.
>>>
>>> Robert.
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>> _______________________________________________
>>> osg-users mailing list
>>> osg-users at lists.openscenegraph.org
>>> http://lists.openscenegraph.org/listinfo.cgi/osg-users-opens
>>> cenegraph.org
>>>
>>>
>>
>>
>> --
>> Martin
>>
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>>
>>
>
>
> --
> Chris 'Xenon' Hanson, omo sanza lettere. Xenon at AlphaPixel.com
> http://www.alphapixel.com/
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-- 
Martin
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