/*
// Copyright (c) 2016 Intel Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
*/

///////////////////////////////////////////////////////////////////////////////////////////////////
#include "data_inst.h"
#include "primitive_type_base.h"
#include "memory_impl.h"

namespace cldnn
{
primitive_type_id data_type_id()
{
    static primitive_type_base<data> instance;
    return &instance;
}

namespace {
    memory_impl::ptr attach_or_copy_data(network_impl& network, memory_impl& mem)
    {
        auto& engine = network.get_engine();
        if (mem.is_allocated_by(engine))
            return &mem;

        memory_impl::ptr result = engine.allocate_memory(mem.get_layout());
        mem_lock<char> src(mem);
        mem_lock<char> dst(result);
        std::copy(src.begin(), src.end(), dst.begin());
        return result;
    }
}

data_node::typed_program_node(const std::shared_ptr<data> dprim, program_impl& prog)
    : parent(dprim, prog), mem(api_cast(dprim->mem.get()))
{
    constant = true;
    recalc_output_layout(false);
}

void data_node::attach_memory(memory_impl& new_mem, bool invalidate_users_if_changed)
{
    mem = &new_mem;
    recalc_output_layout(invalidate_users_if_changed);
}

std::string data_inst::to_string(data_node const& node)
{
    auto node_info = node.desc_to_json();

    std::stringstream primitive_description;
    
    node_info.dump(primitive_description);
    return primitive_description.str();
}

data_inst::typed_primitive_inst(network_impl& network, data_node const& node)
    : parent(network, node, *attach_or_copy_data(network, node.get_attached_memory()))
{
}

}
