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8 Commits

Author SHA1 Message Date
Brecht Van Lommel
eb2baf9abc Fix #29274: problem compiling cycles opencl kernel from directory with spaces. 
Some drivers don't support passing include paths with spaces in them, nor does
the opencl spec specify anything about how to quote/escape such paths, so for
now we just resolved #includes ourselves. Alternative would have been to use c
preprocessor, but this also resolves all #ifdefs, which we do not want.
 2011-11-22 16:38:58 +00:00
Brecht Van Lommel
f5b60afe4e Cycles: fix error in md5 hash computation for files in directories below 
the first level.
 2011-09-27 19:35:41 +00:00
Brecht Van Lommel
ebc653463d Cycles: 
* Fix missing update when editing objects with emission materials.
* Fix preview pass rendering set to 1 not showing full resolution.
* Fix CUDA runtime compiling failing due to missing cache directory.
* Use settings from first render layer for visibility and material override.

And a bunch of incomplete and still disabled code mostly related to closure
sampling.
 2011-09-12 13:13:56 +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
9b31cba74e Cycles: some warning fixes, cpu device task tweaks, avoid unnecessary 
tonemap in non-viewport render, and some utility functions.
 2011-09-08 18:58:07 +00:00
Brecht Van Lommel
db1664ed4c Cycles: 
* Compute MD5 hash to deal with nvidia opencl compiler cache not recognizing
  changes in #included files, makes it possible to do kernel compile only
  once and remember it for the next time blender is started.
* Kernel tweak to compile with ATI/linux. Enabling any more functionality than
  simple clay render still chokes the compiler though, without a specific error
  message ..
 2011-09-03 10:49:54 +00:00
Brecht Van Lommel
d263fee952 Cycles: fix for incompatible boost filesystem version, provided by "ornitorrincos" on IRC. 2011-04-28 11:53:29 +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