gcompiler.hpp
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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 OPENCV_GAPI_GCOMPILER_HPP
#define OPENCV_GAPI_GCOMPILER_HPP
#include <opencv2/gapi/gcommon.hpp>
#include <opencv2/gapi/gkernel.hpp>
#include <opencv2/gapi/infer.hpp>
#include <opencv2/gapi/gcomputation.hpp>
#include <ade/execution_engine/execution_engine.hpp>
namespace cv { namespace gimpl {
// FIXME: exported for internal tests only!
class GAPI_EXPORTS GCompiler
{
const GComputation& m_c;
const GMetaArgs m_metas;
GCompileArgs m_args;
ade::ExecutionEngine m_e;
cv::gapi::GKernelPackage m_all_kernels;
cv::gapi::GNetPackage m_all_networks;
// Patterns built from transformations
std::vector<std::unique_ptr<ade::Graph>> m_all_patterns;
void validateInputMeta();
void validateOutProtoArgs();
public:
// Metas may be empty in case when graph compiling for streaming
// In this case graph get metas from first frame
explicit GCompiler(const GComputation &c,
GMetaArgs &&metas,
GCompileArgs &&args);
// The method which does everything...
GCompiled compile();
// This too.
GStreamingCompiled compileStreaming();
// But those are actually composed of this:
using GPtr = std::unique_ptr<ade::Graph>;
GPtr generateGraph(); // Unroll GComputation into a GModel
void runPasses(ade::Graph &g); // Apply all G-API passes on a GModel
void compileIslands(ade::Graph &g); // Instantiate GIslandExecutables in GIslandModel
static void compileIslands(ade::Graph &g, const cv::GCompileArgs &args);
GCompiled produceCompiled(GPtr &&pg); // Produce GCompiled from processed GModel
GStreamingCompiled produceStreamingCompiled(GPtr &&pg); // Produce GStreamingCompiled from processed GMbodel
static void runMetaPasses(ade::Graph &g, const cv::GMetaArgs &metas);
static GPtr makeGraph(const cv::GComputation::Priv &);
};
}}
#endif // OPENCV_GAPI_GCOMPILER_HPP