OpenSubdiv is a set of open source libraries that implement high performance subdivision surface (subdiv) evaluation on massively parallel CPU and GPU architectures. This codepath is optimized for drawing deforming subdivs with static topology at interactive framerates. The resulting limit surface matches Pixar's Renderman to numerical precision.
OpenSubdiv is covered by the Apache license, and is free to use for commercial or non-commercial use. This is the same code that Pixar uses internally for animated film production. Our intent is to encourage high performance accurate subdiv drawing by giving away the "good stuff".
Feel free to use it and let us know what you think.
For more details about OpenSubdiv, see Pixar Graphics Technologies.
| Linux | Windows | macOS | |
|---|---|---|---|
| dev | |||
| release |
For complete information, please refer OpenSubdiv documents: Building with CMake
- General requirements:
| Lib | Min Version | Note |
|---|---|---|
| CMake | 3.12 | Required |
- Osd optional requirements:
| Lib | Min Version | Note |
|---|---|---|
| CUDA | 4.0 | cuda backend |
| TBB | 2018 | TBB backend |
| OpenCL | 1.1 | CL backend |
| DX11 SDK | DX backend | |
| Metal | 1.2 | Metal backend |
- Requirements for building optional examples:
| Lib | Min Version | Note |
|---|---|---|
| GLFW | 3.0.0 | GL examples |
| Ptex | 2.0 | ptex viewers |
| Zlib | (required for Ptex under windows) |
- Requirements for building documentation:
| Lib |
|---|
| Docutils |
| Doxygen |
| Graphviz |
- Install cmake and GLFW
make sure GLFW install directories are configured as follows:
${GLFW_LOCATION}/include/GLFW/glfw3.h
${GLFW_LOCATION}/lib/libglfw3.a (linux)
${GLFW_LOCATION}/lib/glfw3.lib (windows)
- Clone OpenSubdiv repository, and create a build directory.
git clone https://github.com/PixarAnimationStudios/OpenSubdiv
mkdir build
cd build
cmake ^
-G "Visual Studio 15 2017 Win64" ^
-D NO_PTEX=1 -D NO_DOC=1 ^
-D NO_OMP=1 -D NO_TBB=1 -D NO_CUDA=1 -D NO_OPENCL=1 -D NO_CLEW=1 ^
-D "GLFW_LOCATION=*YOUR GLFW INSTALL LOCATION*" ^
..
cmake --build . --config Release --target install
cmake -D NO_PTEX=1 -D NO_DOC=1 \
-D NO_OMP=1 -D NO_TBB=1 -D NO_CUDA=1 -D NO_OPENCL=1 -D NO_CLEW=1 \
-D GLFW_LOCATION="*YOUR GLFW INSTALL LOCATION*" \
..
cmake --build . --config Release --target install
cmake -G Xcode -D NO_PTEX=1 -D NO_DOC=1 \
-D NO_OMP=1 -D NO_TBB=1 -D NO_CUDA=1 -D NO_OPENCL=1 -D NO_CLEW=1 \
-D GLFW_LOCATION="*YOUR GLFW INSTALL LOCATION*" \
..
cmake --build . --config Release --target install
SDKROOT=$(xcrun --sdk iphoneos --show-sdk-path) cmake -D NO_PTEX=1 -D NO_DOC=1 \
-D NO_OMP=1 -D NO_TBB=1 -D NO_CUDA=1 -D NO_OPENCL=1 -D NO_CLEW=1 \
-D CMAKE_TOOLCHAIN_FILE=../cmake/iOSToolchain.cmake -G Xcode \
..
- This will produce an "OpenSubdiv.xcodeproj" that can be open and the targets 'mtlViewer' and 'mtlPtexViewer' (if NO_PTEX is ommitted and libPtex.a is installed in the iOS SDK) that can be run
-DCMAKE_BUILD_TYPE=[Debug|Release]
-DCMAKE_INSTALL_PREFIX=[base path to install OpenSubdiv]
-DCMAKE_LIBDIR_BASE=[library directory basename (default: lib)]
-DCMAKE_TOOLCHAIN_FILE=[toolchain file for crossplatform builds]
-DCUDA_TOOLKIT_ROOT_DIR=[path to CUDA Toolkit]
-DOSD_CUDA_NVCC_FLAGS=[CUDA options, e.g. --gpu-architecture]
-DPTEX_LOCATION=[path to Ptex]
-DGLFW_LOCATION=[path to GLFW]
-DSTRINGIFY_LOCATION=[path to stringify utility]
-DNO_LIB=1 // disable the opensubdiv libs build (caveat emptor)
-DNO_EXAMPLES=1 // disable examples build
-DNO_TUTORIALS=1 // disable tutorials build
-DNO_REGRESSION=1 // disable regression tests build
-DNO_PTEX=1 // disable PTex support
-DNO_DOC=1 // disable documentation build
-DNO_OMP=1 // disable OpenMP
-DNO_TBB=1 // disable TBB
-DNO_CUDA=1 // disable CUDA
-DNO_OPENCL=1 // disable OpenCL
-DNO_OPENGL=1 // disable OpenGL
-DNO_CLEW=1 // disable CLEW wrapper library
-DNO_METAL=1 // disable Metal
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