[Bf-cycles] GSoC 2018 proposal discussion: hair shader

[Brecht Van Lommel]

No further comments from me, I think the proposal is complete enough.

On Thu, Mar 15, 2018 at 2:02 PM, Leonardo E. Segovia <
leonardo.segovia at cs.uns.edu.ar> wrote:

> Hi all,
>
> I've updated the proposal with the requested changes. Please read it,
> and comment with any questions you may have.
>
> Thanks in advance.
>
> 2018-03-13 18:51 GMT-03:00 Leonardo E. Segovia <
> leonardo.segovia at cs.uns.edu.ar>:
> > Hi again,
> >
> > (I'll be replying in different emails so as to quote them)
> >
> > 2018-03-13 13:35 GMT-03:00 Lukas Stockner <lukas.stockner at freenet.de>:
> >> One thing that I noticed reading the proposal: You don't actually need
> to
> >> implement the shader itself twice (in SVM and OSL). Instead, you
> implement
> >> the BSDF itself (sampling and evaluation functions) once, and then you
> add
> >> code in SVM and OSL that creates an instance of that Closure (which
> >> typically is a lot easier than actually re-implementing it).
> >
> > Same as with Mr. Brent, thanks for the tips.
> >
> >> Also, a while ago I started looking into implementing the shader - it's
> >> extremely WIP, messy and somewhat broken, but it might be helpful for
> you as
> >> a reference as it contains all the code required to implement a new
> >> node/closure and a straightforward port of the PBRT code into Cycles. I
> >> probably won't continue working on this anytime soon (and certainly not
> if a
> >> GSoC project is also doing the same thing of course), but you can find
> the
> >> current version here:
> >> https://github.com/lukasstockner/blender/tree/hairshader
> >
> > Thanks for your work! I'll make sure to add it to the proposal.
> >
> > --
> > Lic. Leonardo E. Segovia
> > Departamento de Ciencias e Ingeniería de la Computación
> > Universidad Nacional del Sur
> > San Andrés 800 - Campus Palihue, B8000 Bahía Blanca, Argentina
>
>
>
> --
> Lic. Leonardo E. Segovia
> Departamento de Ciencias e Ingeniería de la Computación
> Universidad Nacional del Sur
> San Andrés 800 - Campus Palihue, B8000 Bahía Blanca, Argentina
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