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de9dffc61e
blender/intern/cycles/kernel
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Brecht Van Lommel de9dffc61e Cycles: initial subsurface multiple scattering support. It's not working as 
well as I would like, but it works, just add a subsurface scattering node and
you can use it like any other BSDF.

It is using fully raytraced sampling compatible with progressive rendering
and other more advanced rendering algorithms we might used in the future, and
it uses no extra memory so it's suitable for complex scenes.

Disadvantage is that it can be quite noisy and slow. Two limitations that will
be solved are that it does not work with bump mapping yet, and that the falloff
function used is a simple cubic function, it's not using the real BSSRDF
falloff function yet.

The node has a color input, along with a scattering radius for each RGB color
channel along with an overall scale factor for the radii.

There is also no GPU support yet, will test if I can get that working later.

Node Documentation:
http://wiki.blender.org/index.php/Doc:2.6/Manual/Render/Cycles/Nodes/Shaders#BSSRDF

Implementation notes:
http://wiki.blender.org/index.php/Dev:2.6/Source/Render/Cycles/Subsurface_Scattering
2013-04-01 20:26:52 +00:00
..
closure Cycles: initial subsurface multiple scattering support. It's not working as 2013-04-01 20:26:52 +00:00
osl Cycles: initial subsurface multiple scattering support. It's not working as 2013-04-01 20:26:52 +00:00
shaders Cycles: initial subsurface multiple scattering support. It's not working as 2013-04-01 20:26:52 +00:00
svm Cycles: initial subsurface multiple scattering support. It's not working as 2013-04-01 20:26:52 +00:00
CMakeLists.txt Cycles: initial subsurface multiple scattering support. It's not working as 2013-04-01 20:26:52 +00:00
kernel_accumulate.h Fix non-progressive lamps with multiple samples not giving correct intensity after 2013-02-05 13:33:24 +00:00
kernel_bvh.h Cycles: initial subsurface multiple scattering support. It's not working as 2013-04-01 20:26:52 +00:00
kernel_camera.h Cycles: initial subsurface multiple scattering support. It's not working as 2013-04-01 20:26:52 +00:00
kernel_compat_cpu.h Cycles: initial subsurface multiple scattering support. It's not working as 2013-04-01 20:26:52 +00:00
kernel_compat_cuda.h Cycles: initial subsurface multiple scattering support. It's not working as 2013-04-01 20:26:52 +00:00
kernel_compat_opencl.h Cycles: initial subsurface multiple scattering support. It's not working as 2013-04-01 20:26:52 +00:00
kernel_curve.h Cycles Hair: refactoring to store curves with the index of the first key and the 2013-01-03 12:09:09 +00:00
kernel_differential.h code cleanup: spelling 2012-07-16 23:23:33 +00:00
kernel_displace.h Cycles OSL minor optimizations: recycle shading context, don't do memory 2012-12-15 10:18:42 +00:00
kernel_emission.h Fix #34226: cycles shadow pass got incorrectly influenced by world multiple 2013-02-13 16:46:18 +00:00
kernel_film.h Cycles: fixes for OpenCL build after pass changes, patch by Daniel Genrich. 2012-01-26 15:37:33 +00:00
kernel_globals.h Cycles: initial subsurface multiple scattering support. It's not working as 2013-04-01 20:26:52 +00:00
kernel_light.h Attempted fix for issue with latest CUDA kernel for 32 bit windows/linux/mac, 2013-02-11 22:41:11 +00:00
kernel_math.h Cycles render engine, initial commit. This is the engine itself, blender modifications and build instructions will follow later. 2011-04-27 11:58:34 +00:00
kernel_montecarlo.h Cycles OSL: diffuse_toon and specular_toon closures. These are toon shaders with 2012-12-19 21:17:16 +00:00
kernel_object.h Cycles Hair: refactoring to support generic attributes for hair curves. There 2013-01-03 12:08:54 +00:00
kernel_passes.h Fix #34226: cycles shadow pass got incorrectly influenced by world multiple 2013-02-13 16:46:18 +00:00
kernel_path.h Cycles: initial subsurface multiple scattering support. It's not working as 2013-04-01 20:26:52 +00:00
kernel_primitive.h code cleanup: remove some paranoid checks which would have crashed anyway earlier on. 2013-01-20 14:50:50 +00:00
kernel_projection.h Fisheye Equidistant Lens algorith bugfix 2012-11-09 09:11:24 +00:00
kernel_random.h Cycles: initial subsurface multiple scattering support. It's not working as 2013-04-01 20:26:52 +00:00
kernel_shader.h Cycles: initial subsurface multiple scattering support. It's not working as 2013-04-01 20:26:52 +00:00
kernel_sse2.cpp Cycles UI Code: 2013-02-04 18:50:09 +00:00
kernel_sse3.cpp Fix cycles intersection issue with overlapping faces on windows 32 bit and CPU 2013-02-04 16:12:37 +00:00
kernel_subsurface.h Cycles: initial subsurface multiple scattering support. It's not working as 2013-04-01 20:26:52 +00:00
kernel_textures.h Cycles: code refactoring to add generic lookup table memory. 2013-04-01 20:26:43 +00:00
kernel_triangle.h Cycles Hair: refactoring to support generic attributes for hair curves. There 2013-01-03 12:08:54 +00:00
kernel_types.h Cycles: initial subsurface multiple scattering support. It's not working as 2013-04-01 20:26:52 +00:00
kernel.cl Cycles: Render Passes 2012-01-25 17:23:52 +00:00
kernel.cpp Fix #33375: OSL geom:trianglevertices gave wrong coordinates for static BVH. 2012-12-01 19:15:05 +00:00
kernel.cu Cycles: Render Passes 2012-01-25 17:23:52 +00:00
kernel.h Fix cycles intersection issue with overlapping faces on windows 32 bit and CPU 2013-02-04 16:12:37 +00:00
SConscript Added GPL header to sconscripts! 2012-12-17 08:01:43 +00:00