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7 Commits

Author SHA1 Message Date
Brecht Van Lommel
b9ce231060 Cycles: relicense GNU GPL source code to Apache version 2.0. 
More information in this post:
http://code.blender.org/

Thanks to all contributes for giving their permission!
 2013-08-18 14:16:15 +00:00
Thomas Dinges
9e4914e055 Cycles: 
* Revert r57203 (len() renaming)
There seems to be a problem with nVidia OpenCL after this and I haven't figured out the real cause yet. 
Better to selectively enable native length() later, after figuring out what's wrong. 

This fixes [#35612].
 2013-06-04 17:20:00 +00:00
Thomas Dinges
c5ed6765b9 Cycles / Math functions: 
* Rename some math functions:
len -> length
len_squared -> length_squared
normalize_len -> normalize_length

* This way OpenCL uses its inbuilt length() function, rather than our own. The other two functions have been renamed for consistency. 
* Tested CPU, CUDA and OpenCL compile, should be no functional changes.
 2013-06-02 20:39:32 +00:00
Campbell Barton
c6cffe98fa code cleanup: removed/renamed shadow & duplicate variable definitions. 2012-06-09 18:20:40 +00:00
Brecht Van Lommel
93df58160e Fix #30966: cycles nan mesh vertices got set to (0, 0, 0), now remove them instead. 2012-04-16 08:35:21 +00:00
Brecht Van Lommel
2996f08f84 Cycles: first batch of windows build fixes, not quite there yet. 2011-05-03 18:29:11 +00:00
Ton Roosendaal
da376e0237 Cycles render engine, initial commit. This is the engine itself, blender modifications and build instructions will follow later. 
Cycles uses code from some great open source projects, many thanks them:

* BVH building and traversal code from NVidia's "Understanding the Efficiency of Ray Traversal on GPUs":
http://code.google.com/p/understanding-the-efficiency-of-ray-traversal-on-gpus/
* Open Shading Language for a large part of the shading system:
http://code.google.com/p/openshadinglanguage/
* Blender for procedural textures and a few other nodes.
* Approximate Catmull Clark subdivision from NVidia Mesh tools:
http://code.google.com/p/nvidia-mesh-tools/
* Sobol direction vectors from:
http://web.maths.unsw.edu.au/~fkuo/sobol/
* Film response functions from:
http://www.cs.columbia.edu/CAVE/software/softlib/dorf.php
 2011-04-27 11:58:34 +00:00