Are there any good effects libraries that can be integrated into OSG?

[mirr...@gmail.com]

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[alexandre.vai...@gmail.com]

Hello Mirr..o?

You might want to describe what features you're after exactly, others will be able to get you better help.

FWIW we use sundog's SilverLining for clouds and sky.

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Vaillancourt

[mirr...@gmail.com]

• hi~Vaillancourt  .What effects libraries are there to implement  shadow  and SSAO rendering effects for scenes?

[david.h...@gmail.com]

I don't know of any good general effects libraries, basically the problem with this type of stuff it tends to be pretty specialized for your rendering pipeline, and OSG allows a lot flexibility with setting up rendering pipelines, making one size fits all solutions for something like SSAO to be tough.

I strongly suspect rolling your own solution for a lot of the effects is going to be the easier way of going.  I would look at the osgdeferred example, which is good to show you how to do multiple passes, which is key for most of these effects:

For SSAO, you want to setup a rendering pipeline like:

Forward Depth Pass->A SSAO pass ->Blur Pass ->Lighting Pass

A basic  tutorial on SSAO:

https://learnopengl.com/Advanced-Lighting/SSAO

For shadows, OSG does have osg::shadows, which works......but if you have a larger scene, and have a more complicated pipeline....you are likely better off creating your own, which basically involves a depth pass from your lights perspective, then your forward lighting pass.

A basic  tutorial on shadow mapping:

https://learnopengl.com/Advanced-Lighting/Shadows/Shadow-Mapping