CUDA Zero Copy On TX1

Hi Allen_Z,

Yes, this is a good way to avoid memory copy.

Flow likes this:
V4L2_buffer → EGLImageKHR → CUDA-Array
(dmabuf_fd) (cuGraphicsEGLRegisterImage) (pDevPtr)

Please find MMAPI sample for details:
‘/home/ubuntu/tegra_multimedia_api/samples/backend/v4l2_backend_main.cpp’