OpenCL Programming by Example

Creating subbuffer objects

There may be situations when you may want to create a subbuffer out of the existing buffer object. For this purpose OpenCL provides the API.

cl_mem clCreateSubBuffer (cl_mem buffer,cl_mem_flags flags,cl_buffer_create_type buffer_create_type,const void *buffer_create_info,cl_int *errcode_ret)

The clCreateSubBuffer function can be used to create a new partial buffer object (referred to as a subbuffer object) from an existing OpenCL cl_mem buffer object.

Parameter name	Description
buffer	Must be a valid buffer object created using the clCreateBuffer API and cannot itself be a subbuffer object.
flags	This parameter takes the same values as described in the table of cl_mem_flags shown earlier. The values taken by the flags ...