[Bf-cycles] 2.66 plans
cal at cal3d.com
Thu Nov 29 04:46:39 CET 2012
Thank you (all) on behalf of thousands of Blender heads for working to improve
I wish I could see how you create new functions, tools, modifiers from pieces of
I have several other 3D apps, each fun to use and good at something. But I find
the most interesting and fun....can't get enough of it.
On November 28, 2012 at 8:48 PM Brecht Van Lommel <brechtvanlommel at pandora.be>
> I'm still busy with bugfixing for 2.65 for a few weeks, but for 2.66
> I'm currently thinking about working on these features:
> * Displacement: finish true displacement / autobump
> * Combo BSDF / Ubershader: single node with diffuse, glossy,
> transparent for ease of use.
> * OSL: tiled image cache support, optimizations
> * Multiple importance sampling for lamps
> None of these are really big (although not so simple either), instead
> I'd like to focus on laying ground work for the releases after 2.66,
> refactoring code and working out designs. We can start preparing code
> and implementing some stuff, to then actually polish & enable it in
> one of the next releases.
> One big thing that will need work is our geometry / BVH code. We'll
> need to support more primitives: hair curves/lines, quads and maybe
> quad grids for more efficient storage of subdivision surfaces. All of
> those will then also need to support deformation motion blur
> eventually. And we'll also want to refactor our BVH code to better
> support SSE optimizations. These things add complexity and need
> refactoring in many places: our export code, BVH building and
> traversal and path tracing kernel. After the basics are there, for one
> of the next releases we can focus on finding efficient BVH building
> and ray intersection algorithms for hair and deformation motion blur,
> getting it work on GPU, and actually enabling the code.
> The other big one is volumetric rendering. I'll look at the volumetric
> rendering patch, and think about how it all fits our design, see how
> it fits in our path tracing kernel and maybe do some work there to get
> the volume rendering features extracted from the volume patch. In one
> of the next release we can then actually enable it and evaluate how to
> best do light sampling, and add support for voxel and point cloud
> Also a note about the subdivision support in Cycles, my intention is
> to drop this. I think it's better to focus on trying to improve the
> modifiers in Blender and get efficient export, to avoid duplicating
> code. Our current subdivision code is only approximate, doesn't
> support triangles, creases and UV/color interpolation. The algorithms
> there I don't know how to extend well, better to look at OpenSubdiv
> for the Blender modifiers once.
> Bf-cycles mailing list
> Bf-cycles at blender.org
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