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) 2018 Intel Corporation
#ifndef GAPI_API_GBACKEND_PRIV_HPP
#define GAPI_API_GBACKEND_PRIV_HPP
#include <memory>
#include <unordered_set>
#include <ade/graph.hpp>
#include <ade/passes/pass_base.hpp> // passes::PassContext
#include <ade/execution_engine/execution_engine.hpp> // ..SetupContext
#include "opencv2/gapi/gcommon.hpp"
#include "opencv2/gapi/gkernel.hpp"
#include "compiler/gmodel.hpp"
#include "compiler/gislandmodel.hpp"
namespace cv
{
namespace gimpl
{
class GBackend;
class GIslandExecutable;
} // namespace gimpl
} // namespace cv
// GAPI_EXPORTS is here to make tests build on Windows
class GAPI_EXPORTS cv::gapi::GBackend::Priv
{
public:
using EPtr = std::unique_ptr<cv::gimpl::GIslandExecutable>;
virtual void unpackKernel(ade::Graph &graph,
const ade::NodeHandle &op_node,
const GKernelImpl &impl);
// FIXME: since backends are not passed to ADE anymore,
// there's no need in having both cv::gimpl::GBackend
// and cv::gapi::GBackend - these two things can be unified
// NOTE - nodes are guaranteed to be topologically sorted.
// NB: This method is deprecated
virtual EPtr compile(const ade::Graph &graph,
const GCompileArgs &args,
const std::vector<ade::NodeHandle> &nodes) const;
virtual EPtr compile(const ade::Graph &graph,
const GCompileArgs &args,
const std::vector<ade::NodeHandle> &nodes,
const std::vector<cv::gimpl::Data>& ins_data,
const std::vector<cv::gimpl::Data>& outs_data) const;
// Ask backend to provide general backend-specific compiler passes
virtual void addBackendPasses(ade::ExecutionEngineSetupContext &);
// Ask backend to put extra meta-sensitive backend passes Since
// the inception of Streaming API one can compile graph without
// meta information, so if some passes depend on this information,
// they are called when meta information becomes available.
virtual void addMetaSensitiveBackendPasses(ade::ExecutionEngineSetupContext &);
virtual cv::gapi::GKernelPackage auxiliaryKernels() const;
// Ask backend if it has a custom control over island fusion process
// This method is quite redundant but there's nothing better fits
// the current fusion process. By default, [existing] backends don't
// control the merge.
// FIXME: Refactor to a single entity?
virtual bool controlsMerge() const;
// Ask backend if it is ok to merge these two islands connected
// via a data slot. By default, [existing] backends allow to merge everything.
// FIXME: Refactor to a single entity?
// FIXME: Strip down the type details form graph? (make it ade::Graph?)
virtual bool allowsMerge(const cv::gimpl::GIslandModel::Graph &g,
const ade::NodeHandle &a_nh,
const ade::NodeHandle &slot_nh,
const ade::NodeHandle &b_nh) const;
virtual ~Priv() = default;
};
#endif // GAPI_API_GBACKEND_PRIV_HPP
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