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2018-06-28T19:43:19Z

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wiki>Brecht: moved Dev:2.6/Source/Render/Cycles/Building to Dev:Source/Render/Cycles/Building: remove namespace version

2015-12-27T19:00:40Z

moved Dev:2.6/Source/Render/Cycles/Building to Dev:Source/Render/Cycles/Building: remove namespace version

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= Building Cycles =

For a build with CPU rendering support, see the [[Dev:Doc/Building_Blender|Building Blender]] documentation.

== CUDA ==

Download the [https://developer.nvidia.com/cuda-downloads CUDA Toolkit 6.5] and install it. Make sure you have recent enough nvidia drivers (e.g. 340.X or newer).

For more details, see [[Doc:2.6/Manual/Render/Cycles/GPU_Rendering|GPU rendering]] in the manual.

==== Bundling Binary Kernels ====

CUDA is enabled by default on Linux and Mac, however this will require the machine running Blender to have the CUDA toolkit installed. On Windows kernels need to be bundled with Blender, for that these cmake options must be set:

* WITH_CYCLES_CUDA_BINARIES=ON
* CYCLES_CUDA_BINARIES_ARCH=<arch> (optional, e.g. sm_21)

Or these scons options:
* <code>WITH_BF_CYCLES_CUDA_BINARIES = True</code>
* <code>BF_CYCLES_CUDA_NVCC = "c:/path/to/nvcc.exe"</code>
* <code>BF_CYCLES_CUDA_BINARIES_ARCH = ("sm_#",)</code> -- optional, where "sm_#" is the appropriate architecture for your card.

Building CUDA kernels is slow, it may take a few minutes per CUDA architecture, and multithreaded builds can run out of memory. It will compile for all architectures by default, but it's quickest to specify only a single binary arch for your card, [http://www.nvidia.com/object/cuda_gpus.htm look here for the number] (sm_# is the same as "Compute Capability" without the '.')

== Open Shading Language ==

To enable OSL, simply set the following cmake option:

* WITH_CYCLES_OSL=ON

You will need to have OSL installed; on Linux the easiest way is by running the install_deps.sh script with the argument "--with-osl". Once you install OSL, you will then need to set the following cmake option so cmake will know where to find it:

* CYCLES_OSL=/opt/lib/osl

You may also need to set these cmake options if they are not set automatically:

* OSL_COMPILER=/opt/lib/osl/bin/oslc
* OSL_INCLUDES=/opt/lib/osl/include
* OSL_LIB_COMP=/opt/lib/osl/lib/liboslcomp.a
* OSL_LIB_EXEC=/opt/lib/osl/lib/liboslexec.a
* OSL_LIB_QUERY=/opt/lib/osl/lib/liboslquery.a

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Yamyam: 1版 をインポートしました

wiki>Brecht: moved Dev:2.6/Source/Render/Cycles/Building to Dev:Source/Render/Cycles/Building: remove namespace version

Yamyam: 1版をインポートしました