Hi,
On Mon, 2010-08-16 at 12:31 -0500, Carsten Neumann wrote:
> Hello Gerrit,
>
> Gerrit Voß wrote:
> > On Fri, 2010-08-13 at 17:27 -0500, Carsten Neumann wrote:
> >> Should the 'backend' parts of the new shader stuff (ShaderExeChunks,
> >> etc.) actually be transmitted in the cluster?
> >
> > they should not, I checked and they seem to be, so that is wrong I'll
> > change that. Let me look through it a little, I have a guess where the
> > assert failure might come from.
>
> your change mostly fixed the problems with our app, I committed a follow
> up that marks some additional fields as FClusterLocal as they reference
> ShaderExecutable{,Var}Chunks:
>
> ShaderProgram::_mfParents
> ShaderVariable::_mfParents
> ShaderValueVariable::_mfVariableIdx
>
> and:
> ShaderProgramVariables::_mfParents
>
> this last one is a bit iffy as the parents field is actually the one in
> the Attachment base class. Is the reuse of the parents field there
> intentional [1]?
yes, there is some magic with the parents happening, I'm looking into
this, as this is where the assert violation comes from. I just wanted
to collect all side effects before committing, at least I expect these
changes to break the compat SHL version of the shaders. But I'm still
verifying this though.
> [1] a related question is why StateChunk derives from Attachment in the
> first place? Does anyone remember?
not sure anymore, I don't know if we ever used them as attachments.
kind regards
gerrit
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