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Preparation

CUDA

Install CUDA Toolkit 8.0 at default location (/Developer/NVIDIA/CUDA-8.0), Xcode 7.3, (optional CL tools) on OS X 10.11.

Use xcode-select to set active Xcode to 7.3.

CUDA 8.0 Toolkit only supports Xcode 7.3-.

You'll need an Nvidia graphics card to run CUDA.

Nvidia OptiX

Obtain Nvidia OptiX here and install it at default location.

Cinder

Get cinder here, build, and set the "CINDER_PATH" macro in build settings to point to your cinder root.

Existing Cinder Xcode project configuration notes

If you would like to include OptiX in an exisiting project, follow these steps:

In Build Settings tab of your target,

  • add to Library Search Paths:

    /Developer/OptiX/lib64

  • add to Header Search Paths:

    /Developer/OptiX/include /usr/local/cuda/include

  • set Runpath Search Paths to:

    /Developer/OptiX/lib64

In Build Phases,

  • add to Link Binary With Libraries:

    /Developer/OptiX/lib64/liboptix.1.dylib

In Build Rules,

  • create a custom build rule for all *.cu files:

     mkdir -p ${PROJECT_DIR}/../assets/ptx
 
 /usr/local/cuda/bin/nvcc -ptx -o ${PROJECT_DIR}/../assets/ptx/${INPUT_FILE_BASE}.cu.ptx -I../include -I/Developer/OptiX/include ${INPUT_FILE_PATH}

    and set output files to:

    ${PROJECT_DIR}/../assets/ptx/${INPUT_FILE_BASE}.cu.ptx