Add Kernel.clone

doc/runtime_program.rst

@@ -150,6 +150,12 @@ Kernel
         may be used as attributes on instances of this class
         to directly query info attributes.
 
+    .. method:: clone()
+
+        Only available with CL 2.1.
+
+        .. versionadded:: 2020.3
+
     .. method:: get_info(param)
 
         See :class:`kernel_info` for values of *param*.

src/wrap_cl.hpp

@@ -4258,6 +4258,28 @@ namespace pyopencl
 
       PYOPENCL_EQUALITY_TESTS(kernel);
 
+#if PYOPENCL_CL_VERSION >= 0x2010
+      kernel *clone()
+      {
+        cl_int status_code;
+
+        PYOPENCL_PRINT_CALL_TRACE("clCloneKernel");
+        cl_kernel result = clCloneKernel(m_kernel, &status_code);
+        if (status_code != CL_SUCCESS)
+          throw pyopencl::error("clCloneKernel", status_code);
+
+        try
+        {
+          return new kernel(result, /* retain */ false);
+        }
+        catch (...)
+        {
+          PYOPENCL_CALL_GUARDED_CLEANUP(clReleaseKernel, (result));
+          throw;
+        }
+      }
+#endif
+
       void set_arg_null(cl_uint arg_index)
       {
         cl_mem m = 0;

src/wrap_cl_part_2.cpp

@@ -462,6 +462,9 @@ void pyopencl_expose_part_2(py::module &m)
       .def(py::init<const program &, std::string const &>())
       .DEF_SIMPLE_METHOD(get_info)
       .DEF_SIMPLE_METHOD(get_work_group_info)
+#if PYOPENCL_CL_VERSION >= 0x2000
+      .DEF_SIMPLE_METHOD(clone)
+#endif
       .def("_set_arg_null", &cls::set_arg_null)
       .def("_set_arg_buf", &cls::set_arg_buf)
 #if PYOPENCL_CL_VERSION >= 0x2000