Hi Dirk,
Dirk Reiners wrote:
> Carsten Neumann wrote:
>> ...this went well, until I encountered OSGProxyGroup.fcd that has a
>> volume field which is a DynamicVolume and of course ifdef magic does not
>> work in the .fcd file...
>> I'm not sure if it is a huge problem if we just punt at this point and
>> leave the DynamicVolume removal as one of the things one has to deal
>> with when transitioning from 1.x to 2. After all, there are more serious
>> changes and whether one does the porting between 1.8.0 and 1.8.1 with
>> OSG_2_PREP defined or 1.8.0 and 2.0 does not make such a big difference
>> IMHO.
>> Of course I'm also open to any ideas on how to get this into 1.x, right
>> now I just can't think of anything that does not involve build system
>> magic, renaming of files or similar horrible machinery.
>> So, any ideas ?
>
> Given that ProxyGroup is very rarely used I think we could ignore this
> one. I'm not quite comfy with right out breaking it though...
>
> I guess we could leave that as an explicit thing to when transitioning,
> as long as it cleanly breaks on compile and not semantically. It should
> be something that can be done relatively easily with a transition script.
hm, now I'm confused, basically I see these options:
- keep 1.x as is wrt to DynamicVolume (i.e. not remove it even if
OSG_2_PREP is defined)
- Unconditionally change the ProxyGroup to use a BoxVolume, which breaks
any .osb files that contain a ProxyGroup (not sure how severe the
breakage would be though, i.e. if it crashes or just fails to restore
the volume).
- remove the DynamicVolume almost everywhere in 1.x if OSG_2_PREP is
defined except keep in the ProxyGroup.
I lean towards the first option, as the changes in application code
should be few and most (all?) should cause compile errors.
Ok, so what solution do we go for ?
Thanks,
Carsten
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