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

[Martin Wong]

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.
>
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>
>


-- 
Martin
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