Hello Francesco,
[EMAIL PROTECTED] wrote:
> i have many chunk materials sharing a single SHLChunk, each one with different
> uniform parameters stored in SHLParameterChunks.
>
> At some point, i need to swap the current shader programs in the SHLChunk with
> others, with different code and the same parameters.
>
> What i do is something like
>
> beginEditCP( theSHLChunk, SHLChunk::VertexProgramFieldMask |
> SHLChunk::FragmentProgramFieldMask );
> theSHLChunk->setFragmentProgram( newFragmentProgramCode );
> theSHLChunk->setVertexProgram( newVertexProgramCode );
> endEditCP( theSHLChunk, SHLChunk::VertexProgramFieldMask |
> SHLChunk::FragmentProgramFieldMask );
>
>
> now, i'm expecting that evrything works correctly,
yes, I would expect so too...
> but the result i get behaves
> as if all uniform parameters was set to zero values...
>
> in fact, if i rebuild all materials i can see the correct result, so i guess
> i'm
> missing something crucial to get the parameters updated to their values as
> they
> was before code-swapping. where i'm wrong?
Hm, looking at the SHLChunk code it seems all the update calls are made
when the programs change, so I am a bit confused myself.
Andreas, could you please take a look at this (if not please let me
know), since AFAIK the SHLChunk was mostly developed by you ? Thank you.
Carsten
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