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4ece50723b
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10 Commits

Author SHA1 Message Date
Jens Verwiebe
4ece50723b OSX/scons/osl: ready for compile now, little hack to be resolved, todo:fix a crash with shadercompile 2012-11-16 00:43:28 +00:00
Brecht Van Lommel
2324c80f50 Cycles OSL: windows build system changes to support static OSL/OIIO. 2012-11-15 17:16:27 +00:00
Thomas Dinges
1c9b548d92 Windows / Scons OSL: 
* Initial support, still commented.
 2012-11-15 16:34:22 +00:00
Brecht Van Lommel
1c410ab6e7 Fix #33183: cycles bump mapping was not executed with only an AO node in a material. 2012-11-15 14:08:46 +00:00
Sergey Sharybin
9eccf40daa OSL Scons rules 
Initial support of OSL builds using SCons build system. Only tested on Linux now.
No changes to configuration files themselves -- for now check how it's configured
for linux buildbot (it was already horror to make all this changes and verify them,
changes to linux-config.py could easily be done later).

Currently WITH_BF_STATICOSL and WITH_BF_STATICLLVM are more like rudiments because
linking against oslexec requires special trick with --whole-archive. We woul either
need to find a way dealing with this oslexec less hackish or drop STATICOSL and 
STATICLLVM flags. Will keep dropping this flags for until we have "final" build
rules for OSL.

Still can not make 32bit linux rendering with OSL -- blender simply crashes when
starting rendering. So for time being this issues are solving disabled OSL for
32bit build slaves.
 2012-11-15 13:11:12 +00:00
Brecht Van Lommel
e73408f247 Cycles: add strength input for normal map node. 2012-11-08 16:35:20 +00:00
Brecht Van Lommel
209cd25745 Cycles OSL: phong_ramp(N, exponent, colors[8]) closure added, which works like 
a specular ramp shader. Note this is OSL only still, for experimenting.

Patch by Thomas.
 2012-11-06 19:59:07 +00:00
Brecht Van Lommel
27d647dcf8 Cycles: 4 new nodes. 
* Tangent: generate a tangent direction for anisotropic shading. Can be either
  radial around X/Y/Z axis, or from a UV map. The default tangent for the
  anisotropic BSDF and geometry node is now always radial Z, for UV tangent use
  this node now.

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

* Normal Map: generate a perturbed normal from an RGB normal map image. This
  is usually chained with an Image Texture node in the color input, to specify
  the normal map image. For tangent space normal maps, the UV coordinates for
  the image must match, and the image texture should be set to Non-Color mode
  to give correct results.

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

* Refraction BSDF: for best results this node should be considered as a building
  block and not be used on its own, but rather mixed with a glossy node using a
  fresnel type factor. Otherwise it will give quite dark results at the edges for
  glossy refraction.

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

* Ambient Occlusion: controls the amount of AO a surface receives, rather than
  having just a global factor in the world. Note that this outputs a shader and
  not a color, that's for another time.

http://wiki.blender.org/index.php/Doc:2.6/Manual/Render/Cycles/Nodes/Shaders#Ambient_Occlusion
 2012-11-06 19:59:02 +00:00
Brecht Van Lommel
2ba840652d Cycles: improve Anisotropic BSDF node, changing the Roughness U/V inputs to 
Roughness, Anisotropy and Rotation. Also a fix for automatic tangents and
OSL attribute handling.

Meaning of new sockets explained in the documentation:
http://wiki.blender.org/index.php/Doc:2.6/Manual/Render/Cycles/Nodes/Shaders#Anisotropic
 2012-11-04 22:31:32 +00:00
Brecht Van Lommel
615fe0295f Cycles OSL: refactoring and fixes 
* Moved kernel/osl/nodes to kernel/shaders
* Renamed standard attributes to use geom:, particle:, object: prefixes
* Update stdosl.h to properly reflect the closures we support
* Fix the wrong stdosl.h being used for building shaders
* Add geom:numpolyvertices, geom:trianglevertices, geom:polyvertices attributes
 2012-11-03 14:32:13 +00:00