[osg-users] enabling image cache

[OpenSceneGraph Users]

Thanks Robert!

On Sun, Aug 2, 2020 at 10:34 AM OpenSceneGraph Users <
osg-users at lists.openscenegraph.org> wrote:

> HI Nick,
>
> The osgDB::ObjectCache can be used to share loaded data, so if the images
> are loaded from external files this will ensure the data gets shared.
>
> There is also the utility for sharing state at runtime, but I don't recall
> it's name.
>
> In each of these cases there is a limit to what it'll figure out as
> shared, none of them look at the internal data.
>
> In the VulkanSceneGraph I have implemented the ability to place objects
> that you wish to share into a vsg::Objects container that you can place in
> an external file, then the model scenes then reference this with the a
> cache ensuring that the vsg::Object container is only loaded once and
> shared there after.  The scheme is able to connect all the object IDs
> together so everything is consistent.  This scheme only works with native
> VSG scene graphs as they obviously have to know about the scheme.
>
> I mention the VSG approach as it should be possible to do something
> similar with the OSG, as the OSG has, in principle, most of the required IO
> features.
>
> Robert.
>
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-- 
trajce nikolov nick

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