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29 Commits

Author SHA1 Message Date
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
7d9d9fa976 Cycles: use workgroup size from opencl, attempt to fix issue with apple opencl. 2011-09-05 12:24:28 +00:00
Antony Riakiotakis
6edb09fe93 Compile fixes for MinGW, checked with basic initial setup, no CUDA, gcc 4.5.2. 
OpenImageIO still gives link-time errors, will try to make a lib for MinGW, see if it is fixed.
 2011-09-04 15:39:09 +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
67030aaf84 Cycles: optimizations for instances in scene updates before render starts, 
should load a non-trivial mesh instanced many times quite a bit faster now.
 2011-09-02 16:15:18 +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
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
1f7ac51c36 Cycles: fix opencl device bug that crashed on windows. Now shows diffuse 
meshes here on windows/nvidia.
 2011-09-01 22:40:52 +00:00
Brecht Van Lommel
8ddef5163f Cycles: fix broken kernel compile after recent change, some tweaks 
to UI to only show options when available, fix linux lib detection.
 2011-09-01 19:43:57 +00:00
Brecht Van Lommel
27102bfec4 Cycles: OpenCL library is now dynamically loaded so that blender doesn't crash 
if it's not installed on the system.

Code copied from clew.h/clew.c in CLCC:
http://clcc.sourceforge.net/
 2011-09-01 19:00:23 +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
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
18d709022e Cycles: clang build fixes. 2011-08-10 19:45:08 +00:00
Brecht Van Lommel
abc601d10e Cycles: opencl 1.1 compatibility tweaks. 2011-08-09 18:53:54 +00:00
Brecht Van Lommel
7adc3b6029 Cycles: compile error fix for ICC. 2011-06-17 11:33:57 +00:00
Brecht Van Lommel
966e004bbe Cycles: OSL build & image manager fixes. 2011-05-31 16:21:30 +00:00
Brecht Van Lommel
64c2d5e90e Cycles: more opencl fixes. 2011-05-31 11:31:00 +00:00
Brecht Van Lommel
89983a2187 Cycles: fix compile error for cycles_test. 2011-05-31 09:47:19 +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
88b25b871d Cycles: fix mapping node rotation not working correct for Y/Z axes, patch by Sanne. 2011-05-12 11:34:16 +00:00
Brecht Van Lommel
31f44d8142 Cycles: fix color difference between render / 3d view with color management disabled. 2011-05-09 09:03:08 +00:00
Brecht Van Lommel
c18c6056ff Cycles: two 32 bit fixes with help from IRC user Agiofws. 2011-05-05 13:51:33 +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
2996f08f84 Cycles: first batch of windows build fixes, not quite there yet. 2011-05-03 18:29:11 +00:00
Brecht Van Lommel
170f8c8c41 Cycles: build without GLUT test app by default. 2011-05-01 10:00:21 +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
Brecht Van Lommel
d263fee952 Cycles: fix for incompatible boost filesystem version, provided by "ornitorrincos" on IRC. 2011-04-28 11:53:29 +00:00
Brecht Van Lommel
1484169c2f Cycles: another build fix. 2011-04-27 17:23:37 +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