[osg-users] Invisible light points

[Andreas Ekstrand]

Hi Robert,

Now that 3.4.1 has been released (great job by the way!) - do you have 
the time to look into this issue? I hope you can easily reproduce the 
problem with my code or model files. I would really appreciate any help 
here...

Regards,
Andreas


On 2017-08-18 16:10, Andreas Ekstrand wrote:
> Strange, thought the reply-to address was set from osg-users...this 
> was what I accidentally sent to Robert only:
>
> Hi Robert,
>
> Thanks for your reply, I realize you're busy with 3.4.1 right now. But 
> if you can find the time to look into this I have also attached a 
> simple example reproducing the issue in code. Commenting in adding of 
> the geode will hide the light points.
>
> /Andreas
>
>
> On 2017-08-18 11:12, Robert Osfield wrote:
>> Hi Andreas,
>>
>> On 18 August 2017 at 08:30, Andreas Ekstrand 
>> <andreas.ekstrand at remograph.com 
>> <mailto:andreas.ekstrand at remograph.com>> wrote:
>>
>>     Did someone manage to reproduce this problem? Any suggestions are
>>     welcome, I really don't understand what's happening here...
>>
>>
>> I haven't had a chance to test the issue yet.  In the latest OSG 
>> there are rewrites of various parts of the OSG to move fully over to 
>> use vertex arrays and supporting VAO's, my guess is this work touched 
>> upon osgSim::LightPoint* functionality and introduced a regression, 
>> as to what this might be I can't say without reproduce the issue and 
>> investigating the related code.
>>
>> In general the behaviour you describe sounds like vertex array state 
>> that is not being set up correctly so the values used by the driver 
>> are just the last ones to be set rather than the one intended.
>>
>> Robert.
>>
>>
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>
>
>
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