< Height of 3D memory copy
< Width of 3D memory copy in bytes
< Destination height (ignored when dst is array; may be 0 if Depth==1)
< Destination device pointer
< Destination host pointer
< Destination pitch (ignored when dst is array)
< Destination memory type (host, device, array)
< Destination Z
< Destination LOD
< Must be NULL
< Source height (ignored when src is array; may be 0 if Depth==1)
< Destination X in bytes
< Destination Y
< Source array reference
< Destination array reference
< Source device pointer
< Source host pointer
< Source pitch (ignored when src is array)
< Source memory type (host, device, array)
< Source Z
< Source LOD
< Must be NULL
< Source X in bytes
< Source Y
3D memory copy parameters