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blender/intern/cycles/util
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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
..
CMakeLists.txt Cycles Hair: refactoring to support generic attributes for hair curves. There 2013-01-03 12:08:54 +00:00
util_algorithm.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
util_args.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
util_boundbox.h Fix cycles hair curves with NaN values not rendering with dynamic BVH. These NaN 2013-02-14 21:40:28 +00:00
util_cache.cpp Additional fix #32074, by Sven-Hendrik Haase (svenstaro). Boost version header must be included in cycles in order to expand the version check macro. 2012-07-29 13:52:38 +00:00
util_cache.h Fix cycles issue with BVH cache created with 64 bits and used for 32 bits binary, 2013-02-13 11:02:51 +00:00
util_color.h code cleanup: quiet all warnings about double promotion (either by changing the type or explicitly casting). 2012-06-09 17:45:22 +00:00
util_cuda.cpp For non-windows systems, check for CUDA compiler during runtime 2013-01-14 19:33:16 +00:00
util_cuda.h Cycles GPU Rendering: 2013-02-21 17:16:32 +00:00
util_debug.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
util_dynlib.cpp patch [#34320] Cross compiling with mingw-w64 on ubuntu 2013-02-19 12:05:38 +00:00
util_dynlib.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
util_foreach.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
util_function.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
util_hash.h style cleanup: assignment & indentation. 2012-06-09 18:56:12 +00:00
util_image.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
util_list.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
util_map.h Cycles: first batch of windows build fixes, not quite there yet. 2011-05-03 18:29:11 +00:00
util_math.h Cycles: initial subsurface multiple scattering support. It's not working as 2013-04-01 20:26:52 +00:00
util_md5.cpp style cleanup: assignment & indentation. 2012-06-09 18:56:12 +00:00
util_md5.h Cycles OSL: refactoring and fixes 2012-11-03 14:32:13 +00:00
util_memarena.cpp Cycles: remove deprecated strict aliasing flag for opencl, fix missing update 2011-09-19 11:57:31 +00:00
util_memarena.h Cycles: remove deprecated strict aliasing flag for opencl, fix missing update 2011-09-19 11:57:31 +00:00
util_opencl.cpp Cycles: disable OpenCL in builds for now, since it's not working and is only 2012-11-06 19:58:51 +00:00
util_opencl.h style cleanup: assignment & indentation. 2012-06-09 18:56:12 +00:00
util_opengl.h Cycles: build without GLUT test app by default. 2011-05-01 10:00:21 +00:00
util_param.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
util_path.cpp Cycles OSL: shader script node 2012-11-03 14:32:35 +00:00
util_path.h Cycles OSL: shader script node 2012-11-03 14:32:35 +00:00
util_progress.h Cycles: persistent images option 2012-11-09 08:46:53 +00:00
util_set.h Cycles: first batch of windows build fixes, not quite there yet. 2011-05-03 18:29:11 +00:00
util_stats.h Cycles: no need in spin lock in memory statistics 2012-11-09 08:47:08 +00:00
util_string.cpp Cycles: compile opencl kernels in non-blocking thread, and don't crash on 2011-09-02 00:10:03 +00:00
util_string.h Cycles: compile opencl kernels in non-blocking thread, and don't crash on 2011-09-02 00:10:03 +00:00
util_system.cpp Fix cycles intersection issue with overlapping faces on windows 32 bit and CPU 2013-02-04 16:12:37 +00:00
util_system.h Fix cycles intersection issue with overlapping faces on windows 32 bit and CPU 2013-02-04 16:12:37 +00:00
util_task.cpp Fix cycles crash that happened with mesh emission and diffuse/glossy ray 2013-01-25 02:00:57 +00:00
util_task.h Fix cycles crash that happened with mesh emission and diffuse/glossy ray 2013-01-25 02:00:57 +00:00
util_thread.h Fix #33375: OSL geom:trianglevertices gave wrong coordinates for static BVH. 2012-12-01 19:15:05 +00:00
util_time.cpp 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
util_time.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
util_transform.cpp Fix #32900: object motion blur not working on the GPU. To make this work I disabled motion 2012-11-29 00:43:50 +00:00
util_transform.h Fix cycles aliasing warnings caused by motion blur transforms. 2012-12-21 10:26:48 +00:00
util_types.h Cycles Hair: refactoring to support generic attributes for hair curves. There 2013-01-03 12:08:54 +00:00
util_vector.h Cycles: clang build fixes. 2011-08-10 19:45:08 +00:00
util_view.cpp style cleanup: assignment & indentation. 2012-06-09 18:56:12 +00:00
util_view.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
util_xml.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