Increments the program reference count.
cl_int clRetainProgram(cl_program program)clCreateProgram does an implicit retain.
Returns CL_SUCCESS if the function is executed successfully.
Otherwise, it returns one of the following errors:
-
CL_INVALID_PROGRAMifprogramis not a valid program object. -
CL_OUT_OF_RESOURCESif there is a failure to allocate resources required by the OpenCL implementation on the device. -
CL_OUT_OF_HOST_MEMORYif there is a failure to allocate resources required by the OpenCL implementation on the host.