Hi, On 22.12.2016 11:49, He Junyan wrote:
> According to my understanding, PIPE is also a mem object. > clGetMemObjectInfo can be used to query all kinds of mem object. > clGetPipeInfo just query additional PIPE info. > According to CL spec, it just says query CL_MEM_HOST_PTR return > the host ptr if image/buffer created by CL_MEM_USE_HOST_PTR is specified, > otherwise, return NULL. > So, as a PIPE, I think it just retuns NULL and it that correct? The specification doesn't address this case, so until we get clarification on that, NULL or an error are both fine. Simon
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