Brecht Van Lommel
b9ce231060
Cycles: relicense GNU GPL source code to Apache version 2.0.
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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
Brecht Van Lommel
4061f96d94
Fix cycles issue with BVH cache created with 64 bits and used for 32 bits binary,
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and vice versa.
2013-02-13 11:02:51 +00:00
Brecht Van Lommel
92764260d7
Cycles: add option to cache BVH's between subsequent renders, storing the BVH on
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disk to be reused by the next render.
This is useful for rendering animations where only the camera or materials change.
Note that saving the BVH to disk only to be removed for the next frame is slower
if this is not the case and the meshes do actually change.
For a render, it will save bvh files to the cache user directory, and remove all
cache files from other renders. The files are named using a MD5 hash based on the
mesh, to verify if the meshes are still the same.
2012-01-16 13:13:37 +00:00
Brecht Van Lommel
efe4ea284a
Cycles:
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* Fix broken compile of test app.
* Fix some warnings compiling with gcc for 32 bit.
* More tweaks to avoid extended precision issue from #29301 .
2011-12-02 14:26:28 +00:00
Brecht Van Lommel
da8f71bffb
Cycles: some tweaks to silence msvc assertions in debug mode.
2011-10-03 15:31:45 +00:00
Ton Roosendaal
da376e0237
Cycles render engine, initial commit. This is the engine itself, blender modifications and build instructions will follow later.
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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
