#OpenVX-based HAL implementation. It's built when OpenVX is available (HAVE_OPENVX). To build OpenCV with OpenVX support add the following cmake options: -DOPENVX_ROOT=/path/to/prebuilt/openvx -DWITH_OPENVX=YES
HAVE_OPENVX
-DOPENVX_ROOT=/path/to/prebuilt/openvx -DWITH_OPENVX=YES