Merge pull request #18496 from AsyaPronina:comp_args_serialization

Serialization && deserialization for compile arguments

* Initial stub

* Add test on serialization of a custom type

* Namespaces rework

* Fix isSupported in test struct

* Fix clang lookup issue

* Initial implementation

* Drop the isSupported flag

* Initial implementation

* Removed internal header inclusion

* Switched to public API

* Implemented serialization

* Adding desirialize: WIP

* Fixed merge errors

* Implemented

* Final polishing

* Addressed review comments and added debug throw

* Added FluidROI test

* Polishing

* Polishing

* Polishing

* Polishing

* Polishing

* Updated CMakeLists.txt

* Fixed comments

* Addressed review comments

* Removed decay from deserialize_arg

* Addressed review comments

* Removed extra inclusion

* Fixed Win64 warning

* Update gcommon.hpp

* Update serialization.cpp

* Update gcommon.hpp

* gapi: drop GAPI_EXPORTS_W_SIMPLE from GCompileArg

Co-authored-by: Smirnov Alexey <alexey.smirnov@intel.com>
Co-authored-by: AsyaPronina <155jj@mail.ru>

modules/gapi/src/api/s11n.cpp

@@ -44,6 +44,13 @@ std::vector<char> cv::gapi::serialize(const cv::GRunArgs& ra)
     return os.data();
 }
 
+std::vector<char> cv::gapi::serialize(const cv::GCompileArgs& ca)
+{
+    cv::gapi::s11n::ByteMemoryOutStream os;
+    serialize(os, ca);
+    return os.data();
+}
+
 // FIXME: This function should move from S11N to GRunArg-related entities.
 // it has nothing to do with the S11N as it is
 cv::GRunArgsP cv::gapi::bind(cv::GRunArgs &results)

modules/gapi/src/backends/common/serialization.cpp

@@ -329,6 +329,13 @@ IIStream& operator>> (IIStream& is,       cv::gapi::wip::draw::Line &l) {
 
 // G-API types /////////////////////////////////////////////////////////////////
 
+IOStream& operator<< (IOStream& os, const cv::GCompileArg& arg)
+{
+    os << arg.tag;
+    arg.serialize(os);
+    return os;
+}
+
 // Stubs (empty types)
 
 IOStream& operator<< (IOStream& os, cv::util::monostate  ) {return os;}
@@ -865,6 +872,14 @@ IIStream& ByteMemoryInStream::operator>> (std::string& str) {
     return *this;
 }
 
+GAPI_EXPORTS std::unique_ptr<IIStream> detail::getInStream(const std::vector<char> &p) {
+    return std::unique_ptr<ByteMemoryInStream>(new ByteMemoryInStream(p));
+}
+
+GAPI_EXPORTS void serialize(IOStream& os, const cv::GCompileArgs &ca) {
+    os << ca;
+}
+
 GAPI_EXPORTS void serialize(IOStream& os, const cv::GMetaArgs &ma) {
     os << ma;
 }
@@ -882,7 +897,6 @@ GAPI_EXPORTS GRunArgs run_args_deserialize(IIStream& is) {
     return s;
 }
 
-
 } // namespace s11n
 } // namespace gapi
 } // namespace cv

modules/gapi/src/backends/common/serialization.hpp

@@ -40,6 +40,8 @@ struct GSerialized {
 
 // G-API types /////////////////////////////////////////////////////////////////
 
+GAPI_EXPORTS IOStream& operator<< (IOStream& os, const cv::GCompileArg& arg);
+
 GAPI_EXPORTS IOStream& operator<< (IOStream& os, cv::util::monostate  );
 GAPI_EXPORTS IIStream& operator>> (IIStream& is, cv::util::monostate &);
 
@@ -268,6 +270,11 @@ public:
     virtual IIStream& operator>> (std::string &) override;
 };
 
+namespace detail {
+GAPI_EXPORTS std::unique_ptr<IIStream> getInStream(const std::vector<char> &p);
+} // namespace detail
+
+GAPI_EXPORTS void serialize(IOStream& os, const cv::GCompileArgs &ca);
 GAPI_EXPORTS void serialize(IOStream& os, const cv::GMetaArgs &ma);
 GAPI_EXPORTS void serialize(IOStream& os, const cv::GRunArgs &ra);
 GAPI_EXPORTS GMetaArgs meta_args_deserialize(IIStream& is);