bartvdbraak/blender
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8 Commits

Author SHA1 Message Date
Campbell Barton
43361487ba code cleanup: quiet all warnings about double promotion (either by changing the type or explicitly casting). 2012-06-09 17:45:22 +00:00
Campbell Barton
0fbb6bff27 style cleanup: block comments 2012-06-09 17:22:52 +00:00
Brecht Van Lommel
f99343d3b8 Cycles: Render Passes 
Currently supported passes:
* Combined, Z, Normal, Object Index, Material Index, Emission, Environment,
  Diffuse/Glossy/Transmission x Direct/Indirect/Color

Not supported yet:
* UV, Vector, Mist

Only enabled for CPU devices at the moment, will do GPU tweaks tommorrow,
also for environment importance sampling.

Documentation:
http://wiki.blender.org/index.php/Doc:2.6/Manual/Render/Cycles/Passes
 2012-01-25 17:23:52 +00:00
Brecht Van Lommel
72d2d05770 Cycles: border rendering support, includes some refactoring in how pixels are 
accessed on devices.
 2011-12-20 12:25:37 +00:00
Brecht Van Lommel
fc42a6185d Cycles: 
* Fix object scaling update issue with interactive rendering + static BVH.
* Fix negative scaling issue with static BVH.
* Fix #29217: excessive fireflies in first sample.
 2011-11-12 14:29:52 +00:00
Brecht Van Lommel
238f3a7d34 Cycles: seed value to get different noise values from renders, there was a patch 
for this but I've implemented it differently.
 2011-10-29 14:27:24 +00:00
Brecht Van Lommel
66b1dfae89 Cycles: tweaks to properties and nodes 
* Passes renamed to samples
* Camera lens radius renamed to aperature size/blades/rotation
* Glass and fresnel nodes input is now index of refraction
* Glossy and velvet fresnel socket removed
* Mix/add closure node renamed to mix/add shader node
* Blend weight node added for shader mixing weights

There is some version patching code for reading existing files, but it's not
perfect, so shaders may work a bit different.
 2011-09-16 13:14:02 +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