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After CUDA dynload changes having CUDA toolkit became required
in order to compile Cycles. This only happened due to wrong
default value to the option.
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The main purpose of such linking is to make Blender compatible with
NVidia's debuggers and profilers which are doing some LD_PRELOAD
magic to intercept some function calls. Such magic conflicts with
our CUDA wrangler magic and causes segmentation faults.
The option is disabled by default, so there's no affect on any of
artists.
In order to make Blender linked directly against CUDA library use
the WITH_CUDA_DYNLOAD CMake option (it's marked as advanced).
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This is where the libraries belongs to actually, they are not only used by
Libmv now, but also by tests and Cycles.
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Only affects standalone part.
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This commit contains all the tweaks which were missing in initial patch
re-integration from the standalone Cycles repository.
This commit also contains an utility cmake macro to help linking targets
with different libraries for release/debug builds, the name currently is
target_link_libraries_decoupled
it gets a target and list of libraries and makes sure debug builds are
using libraries with "_d" suffix.
After all this changes it'll hopefully be easier to interchange patches
between blender and standalone repositories, because they're now quite
identical.
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This way it is now possible to use gflags >= 2.1, where all the
functions were moved from google to gflags namespace.
This isn't currently used in blender, but for standalone repository
this change is essential.
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This applies to an application comiling from the standalone Cycles repository
only.
There's still lack of proper install target, so currently pthreads
library is to be copied next to cycles.exe manually.
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This commit generalizes logging module a little bit in making it possible to use
Glog logging in standalone Cycles repository.
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Basic idea is to check whether OIIO is compiled with embedded PugiXML parser
and if so use PugiXML from OIIO, otherwise find a standalone PugiXML library.
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Not sure why it worked on Debian but didn't work on Arch, could have
been some indirect link dependency or so.
Anyway, we explicitly depends on pthreads, so need to do corresponding
find_package().
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This changes were done in original commit of the standalone Cycles repository
and needed here for easier patch synchronization.
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https://developer.blender.org/D643
Separates graphics context creation from window code in Ghost so that they can vary separately.
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* Standalone can now be compiled without the GUI, making the glut dependency optional.
Added WITH_CYCLES_STANDALONE_GUI cmake flag.
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* Rename test to standalone.
Note: New CMAKE flag is WITH_CYCLES_STANDALONE.
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* Removed PARTIO building code, partio code was removed already.
* Include "app" dir only when building with CYCLES_TEST enabled.
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definition from the cycles macro file to the top-level CMakeLists.txt. This makes the OSL_LIBRARIES and other variables accessible throughout Blender cmake scripts and especially in the creator module for linking libraries.
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* Assume OSL libs in the libdir.
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* 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.
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* 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
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variable.
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* Auto detection of CUDA toolkit, using FIND_PACKAGE(CUDA). (Requires at least CMAKE 2.8)
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Add cmake path for the CUDA toolkit (default installation) on windows.
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if it's not installed on the system.
Code copied from clew.h/clew.c in CLCC:
http://clcc.sourceforge.net/
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* 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.
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* 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
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* 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
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New build instructions for Ubuntu Linux in the wiki:
http://wiki.blender.org/index.php/Dev:2.5/Source/Cycles
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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
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