kannonier8/blender
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10 Commits

Author SHA1 Message Date
Brecht Van Lommel
3e9f2938f0 Cycles OSL: support for the trace(point pos, vector dir, ...) function, to trace 
rays from the OSL shader. The "shade" parameter is not supported currently, but
attributes can be retrieved from the object that was hit using the
getmessage("trace", ..) function.

As mentioned in the OSL specification, this function can't be used instead of
lighting, the main purpose is to allow shaders to "probe" nearby geometry, for
example to apply a projected texture that can be blocked by geometry, apply
more “wear” to exposed geometry, or make other ambient occlusion-like effects.

http://wiki.blender.org/index.php/Doc:2.6/Manual/Render/Cycles/Nodes/OSL#Trace

Example .blend and render:
http://www.pasteall.org/blend/17347
http://www.pasteall.org/pic/show.php?id=40066
 2012-11-06 19:59:10 +00:00
Lukas Toenne
af537c283c Fix for (camera) motion blur changes in Cycles OSL. Compilation was broken due to changed object transform functions. Also added a few missing renderer service implementations for matrix callbacks. 2012-10-16 10:59:35 +00:00
Campbell Barton
a425790065 style cleanup 2012-09-14 23:11:47 +00:00
Dalai Felinto
dbe3cea002 silencing some of the warnings in OSL for OSX 2012-09-05 20:50:10 +00:00
Thomas Dinges
dfec5a3655 * Removed last occurrence of get_pointcloud_attr_query. 2012-09-02 17:39:07 +00:00
Thomas Dinges
748582f49e Cycles / OSL: 
Fixes for API changes in OSL RendererServices:

* Added two new required get_matrix methods, from OSL RendererServices (otherwise the constructor fails). The two new matrix methods probably still need an implementation. 
* Removed deprecated "get_pointcloud_attr_query" and "pointcloud". There are two new routines for pointclouds, function headers for those are there.

* Removed the (unused) PARTIO code parts from OSL. It was marked as not tested / not working, and due to the api changes here broken for sure. Code is still in svn history if needed.
 2012-09-02 01:10:31 +00:00
Campbell Barton
0fbb6bff27 style cleanup: block comments 2012-06-09 17:22:52 +00:00
Campbell Barton
2d290040a1 style cleanup 2012-06-04 22:44:58 +00:00
Campbell Barton
6ca7d82932 code cleanup: white space, spelling & ';;' end of lines. 2012-02-25 16:04:03 +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