G-API: Integrated cv::MediaFrame as I/O type + CPU backend

modules/gapi/src/compiler/gcompiled.cpp

@@ -57,6 +57,11 @@ void cv::GCompiled::Priv::checkArgs(const cv::gimpl::GRuntimeArgs &args) const
         // FIXME: Add details on what is actually wrong
     }
     validate_input_args(args.inObjs);
+    // FIXME: Actually, the passed parameter vector is never checked
+    // against its shapes - so if you compile with GScalarDesc passed
+    // for GMat argument, you will get your compilation right (!!)
+    // Probably it was there but somehow that olds checks (if they
+    // exist) are bypassed now.
 }
 
 bool cv::GCompiled::Priv::canReshape() const
@@ -97,6 +102,7 @@ cv::GCompiled::operator bool() const
 
 void cv::GCompiled::operator() (GRunArgs &&ins, GRunArgsP &&outs)
 {
+    // FIXME: Check that <ins> matches the protocol!!!
     // FIXME: Check that <outs> matches the protocol
     m_priv->run(cv::gimpl::GRuntimeArgs{std::move(ins),std::move(outs)});
 }

modules/gapi/src/compiler/gcompiler.cpp

@@ -311,9 +311,11 @@ void cv::gimpl::GCompiler::validateInputMeta()
         // FIXME: Auto-generate methods like this from traits:
         case GProtoArg::index_of<cv::GMat>():
         case GProtoArg::index_of<cv::GMatP>():
-        case GProtoArg::index_of<cv::GFrame>():
             return util::holds_alternative<cv::GMatDesc>(meta);
 
+        case GProtoArg::index_of<cv::GFrame>():
+            return util::holds_alternative<cv::GFrameDesc>(meta);
+
         case GProtoArg::index_of<cv::GScalar>():
             return util::holds_alternative<cv::GScalarDesc>(meta);
 

modules/gapi/src/compiler/passes/dump_dot.cpp

@@ -33,6 +33,7 @@ void dumpDot(const ade::Graph &g, std::ostream& os)
         {cv::GShape::GSCALAR, "GScalar"},
         {cv::GShape::GARRAY,  "GArray"},
         {cv::GShape::GOPAQUE, "GOpaque"},
+        {cv::GShape::GFRAME,  "GFrame"},
     };
 
     auto format_op_label  = [&gr](ade::NodeHandle nh) -> std::string {