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e731ffb648
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15 Commits

Author SHA1 Message Date
Brecht Van Lommel
e731ffb648 Cycles: Oren-Nayar BSDF support. This is not a separate shader node, rather it 
is available through the Roughness input on the Diffuse BSDF.
http://wiki.blender.org/index.php/Doc:2.6/Manual/Render/Cycles/Nodes/Shaders#Diffuse

Patch by Yasuhiro Fujii, thanks!
 2011-11-14 17:31:47 +00:00
Brecht Van Lommel
c42772fc95 Cycles: 
* Add back option to bundle CUDA kernel binaries with builds.
* Disable runtime CUDA kernel compilation on Windows, couldn't get this working,
  since it seems to depend on visual studio being installed, even though for
  this particular case it shouldn't be needed. CMake only at the moment.
* Runtime compilation on linux/mac should now work if nvcc is not installed in
  the default location, but available in PATH.
 2011-11-10 12:52:17 +00:00
Campbell Barton
33814e0093 edits to cycles cmake files so cmake_consistency_check.py can parse them. 2011-11-08 20:27:37 +00:00
Brecht Van Lommel
a56c6e18a8 Cycles: 
* Disable precompiled cuda binaries, always do at run time
* Change preview samples default to 10
* Hide volume panels since they don't do anything yet
 2011-11-08 14:10:33 +00:00
Brecht Van Lommel
fb56dbc2af Cycles: procedural texture nodes reorganization. This will break existing files 
using them, but rather do it now that I have the chance still. Highlights:

* Wood and Marble merged into a single Wave texture
* Clouds + Distorted Noise merged into new Noise node
* Blend renamed to Gradient
* Stucci removed, was mostly useful for old bump
* Noise removed, will come back later, didn't actually work yet
* Depth setting is now Detail socket, which accepts float values
* Scale socket instead of Size socket

http://wiki.blender.org/index.php/Doc:2.6/Manual/Render/Cycles/Nodes/Textures
 2011-11-06 21:05:58 +00:00
Campbell Barton
97e58e499d use CMake's CUDA_NVCC_EXECUTABLE rather then own hard coded CYCLES_CUDA variable. 2011-10-17 11:54:43 +00:00
Brecht Van Lommel
cfbd6cf154 Cycles: 
* OpenCL now only uses GPU/Accelerator devices, it's only confusing if CPU
  device is used, easy to enable in the code for debugging.
* OpenCL kernel binaries are now cached for faster startup after the first
  time compiling.
* CUDA kernels can now be compiled and cached at runtime if the CUDA toolkit
  is installed. This means that even if the build does not have CUDA enabled,
  it's still possible to use it as long as you install the toolkit.
 2011-09-09 12:04:39 +00:00
Brecht Van Lommel
1135875ab1 Cycles: 
* Fix crash in light path node
* Fix struct alignment issue for cuda
* Fix issue with instances taking up too much memory
* Fix issue with ray visibility working incorrect on some objects
* Enable OpenCL always and remove option, it has no dependencies so may as well
* Refuse to load kernel if OpenCL version < 1.1, recent drivers are needed
* Better error handling for OpenCL device
* 3D views with rendered draw mode will now revert to wireframe on file load
 2011-09-02 14:55:06 +00:00
Brecht Van Lommel
360fcd73fe Cycles: 
* add some (disabled) test code for using OpenImageIO in imbuf
* link cycles, openimageio and boost into blender instead of a shared library
* some cmakefile changes to simplify the code and follow conventions better
* this may solve running cycles problems on windows XP, or give a different
  and hopefully more useful error message
 2011-08-16 16:15:34 +00:00
Brecht Van Lommel
6686f18948 Cycles: more opencl tweaks, status is: 
* kernel has shading nodes / textures disabled, amd/nvidia opencl
  compilers choke on these, need to figure out how to avoid this
* works in cycles_test, not available as option in blender yet
* kernel compiles and runs with opencl 1.1 from intel/amd/nvidia
 2011-08-11 12:36:08 +00:00
Brecht Van Lommel
63d4bafff5 Cycles: some steps to getting OpenCL backend to compile. 2011-05-20 12:26:01 +00:00
Brecht Van Lommel
f56aa76752 Cycles: some more windows build fixes, based on patch by Francisco De La Cruz. 2011-05-04 09:58:02 +00:00
Brecht Van Lommel
e5d7a38a25 Cycles: fix build issue with Blender includes. 2011-05-01 09:19:45 +00:00
Brecht Van Lommel
774584d7e8 Cycles: hook up the CMake build system. 
New build instructions for Ubuntu Linux in the wiki:
http://wiki.blender.org/index.php/Dev:2.5/Source/Cycles
 2011-04-28 13:47:27 +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