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osgOcean and OpenSceneGraph issue starting from 3.3.2


 
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Paradox
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Joined: 19 Apr 2010
Posts: 129

PostPosted: Tue Jun 20, 2017 10:21 am    Post subject:
osgOcean and OpenSceneGraph issue starting from 3.3.2
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Hi,

We are looking to update osgOcean to work with OSG 3.4.0. There are some little code changes discussed here:

https://github.com/kbale/osgocean/issues/47

The problem is in the osgOcean behavior. Looking at osgExample compiled with OSG 3.4.0 we have the ocean surface completley white if the glare is disabled. Works fine with glare enabled, but this is annoying in some conditions. In any case this difference is strange.

Moreover, the overall performances are worsened. We have a lower speed down until 100% in terms of FPS using osgOcean with OSG 3.4.0.

Looking for the problem, we have isolated a specific version where those problems happen. Starting from OSG 3.3.2 those problems come out (and they are the same in OSG 3.4.0)!

In OSG 3.3.2 there are a lot of changes about callback, and we suspect the problem is here, but we are not able right now to find out the problem. May be Robert Osfield can indicate which part of the changes might be guilty of these behavior.

Thank you!

Cheers,
Dario
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