Hello Aashish,
Aashish Chaudhary wrote:
> 1. Original OSGSHLChunk.cpp at rev 1943
> 2. Your old path
> 3. Youe new patch.
>
> I get the same results with 1 & 3. 2 Was broke as I mentioned in the
> email. I believe in that case that the problem was somewhere else but it
> was related to OSG update shader variables.
the .osb you sent has different (SHL) chunks on each material, so for 1)
when calling SHLChunk::changeFrom the if(this == old) return; does not
early out and the variables are updated, because it does a full shader
program change.
2) was broken, because it only compiled shader code in the
SHLChunk::activate path, but not when activating a shader via
SHLChunk::changeFrom.
I'm happy to hear 3) works, but the interesting case would be to see if
it also gives the correct result when some materials have the same
SHLChunk - the case were it was previously broken ;)
Cheers,
Carsten
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