f4334277
 Hu Chunming
提交3rdparty
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// This file is part of OpenCV project.
// It is subject to the license terms in the LICENSE file found in the top-level directory
// of this distribution and at http://opencv.org/license.html.
//
// Copyright (C) 2019 Intel Corporation
#ifndef OPENCV_GAPI_GMODEL_PRIV_HPP
#define OPENCV_GAPI_GMODEL_PRIV_HPP
#include <ade/graph.hpp>
#include "compiler/gmodel.hpp"
#include "api/gproto_priv.hpp" // origin_of
namespace cv { namespace gimpl {
// The mapping between user-side GMat/GScalar/... objects
// and its appropriate nodes. Can be stored in graph optionally
// (NOT used by any compiler or backends, introspection purposes
// only)
struct Layout
{
static const char *name() { return "Layout"; }
GOriginMap<ade::NodeHandle> object_nodes;
};
namespace GModel {
using LayoutGraph = ade::TypedGraph
< Layout
>;
using ConstLayoutGraph = ade::ConstTypedGraph
< Layout
>;
ade::NodeHandle mkDataNode(Graph &g, const GOrigin& origin);
namespace detail
{
// FIXME: GAPI_EXPORTS only because of tests!!!
GAPI_EXPORTS ade::NodeHandle dataNodeOf(const ConstLayoutGraph& g, const GOrigin &origin);
}
template<typename T> inline ade::NodeHandle dataNodeOf(const ConstLayoutGraph& g, T &&t)
{
return detail::dataNodeOf(g, cv::gimpl::proto::origin_of(GProtoArg{t}));
}
inline ade::NodeHandle producerOf(const cv::gimpl::GModel::Graph& gm, ade::NodeHandle dh)
{
GAPI_Assert(gm.metadata(dh).get<NodeType>().t == NodeType::DATA);
auto ins = dh->inNodes();
return ins.empty() ? ade::NodeHandle{ } : *ins.begin();
}
}}}
#endif // OPENCV_GAPI_GMODEL_PRIV_HPP
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