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121 Commits

Author SHA1 Message Date
Brecht Van Lommel
eefdeebae5 Fix #30710: cycles wrong render time after pause/unpause in viewport. 2012-04-04 16:11:44 +00:00
Brecht Van Lommel
c4b64343d0 Fix #30246: rendering multiple render layers with CUDA still not working, 
should really be fixed now.
 2012-02-23 19:48:18 +00:00
Brecht Van Lommel
47d9c6689b Cycles: show elapsed time for F12/background render. 2012-01-09 16:57:46 +00:00
Brecht Van Lommel
049ab98469 Cycles: device code refactoring, no functional changes. 2012-01-04 18:06:32 +00:00
Brecht Van Lommel
34909c64e5 Cycles: some small code refactoring related to buffer parameters. 2011-12-21 13:48:35 +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
9e01abf777 Cycles: require Experimental to be set to enable CUDA on cards with shader model 
lower than 1.3, since we're not officially supporting these. We're already not
providing CUDA binaries for these, so better make it clear when compiling from
source too.
 2011-12-12 22:51:35 +00:00
Brecht Van Lommel
086e4ed825 Cycles: improve error reporting for opencl and cuda, showing error messages in 
viewport instead of only console.
 2011-11-22 20:49:33 +00:00
Brecht Van Lommel
bb379c06e9 Cycles: progress printing in background mode, print finished at the end and 
avoid duplicate prints.
 2011-10-30 10:12:34 +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
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
3c7dcd7a47 Cycles: compile opencl kernels in non-blocking thread, and don't crash on 
build failure but show error message in status text.
 2011-09-02 00:10:03 +00:00
Brecht Van Lommel
be0aef2ef2 Cycles: pause button to interrupt viewport renders, in the 3d view header. 2011-08-29 16:54:13 +00:00
Brecht Van Lommel
160d8f6c0c Cycles: fix cuda assertion that could be triggerd sometimes, when trying to 
tonemap an empty image.
 2011-08-29 11:47:03 +00:00
Brecht Van Lommel
47fb31404f Cycles: preview passes setting to set the max number of passes to render in 
the viewport working now, set to 0 for unlimited (well, actually 2147483647).
 2011-08-29 10:21:10 +00:00
Brecht Van Lommel
bae896691a Cycles: 
* Add alpha pass output, to use set Transparent option in Film panel.
* Add Holdout closure (OSL terminology), this is like the Sky option in the
  internal renderer, objects with this closure show the background / zero
  alpha.
* Add option to use Gaussian instead of Box pixel filter in the UI.
* Remove camera response curves for now, they don't really belong here in
  the pipeline, should be moved to compositor.

* Output full float values for rendering now, previously was only byte precision.
* Add a patch from Thomas to get a preview passes option, but still disabled
  because it isn't quite working right yet.
* CUDA: don't compile shader graph evaluation inline.
* Convert tabs to spaces in python files.
 2011-08-28 13:55:59 +00:00
Brecht Van Lommel
48b4de3152 Cycles: 
* auto/fixed threads option is used now, patch by Thomas.
* remove unused CUDA_LIBRARIES, library is dynamically loaded
* fix mesh XML export operator for API update
 2011-08-24 10:44:04 +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