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Merge pull request #14151 from TolyaTalamanov:at/own-mat-output-doesnt-support

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G-API: own::Mat as output computation doesn't work (#14151)

* Fix bug with output own::Mat

* Fix comments to review

* Fix preprocess condition

* Fix comments to review
This commit is contained in:
atalaman
2019-05-22 19:57:09 +03:00
committed by Alexander Alekhin
parent d9dac9cd1b
commit cbb699efd2
2 changed files with 36 additions and 6 deletions
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modules/gapi/src/executor/gexecutor.cpp
+20 -6
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@@ -152,17 +152,31 @@ void cv::gimpl::GExecutor::run(cv::gimpl::GRuntimeArgs &&args)
{
using cv::util::get;
const auto desc = get<cv::GMatDesc>(d.meta);
auto check_own_mat = [&desc, &args, &index]()
{
auto& out_mat = *get<cv::gapi::own::Mat*>(args.outObjs.at(index));
GAPI_Assert(out_mat.data != nullptr &&
desc.canDescribe(out_mat));
};
#if !defined(GAPI_STANDALONE)
// Building as part of OpenCV - follow OpenCV behavior
// if output buffer is not enough to hold the result, reallocate it
auto& out_mat = *get<cv::Mat*>(args.outObjs.at(index));
createMat(desc, out_mat);
// In the case of cv::Mat if output buffer is not enough to hold the result, reallocate it
if (cv::util::holds_alternative<cv::Mat*>(args.outObjs.at(index)))
{
auto& out_mat = *get<cv::Mat*>(args.outObjs.at(index));
createMat(desc, out_mat);
}
// In the case of own::Mat never reallocated, checked to perfectly fit required meta
else
{
check_own_mat();
}
#else
// Building standalone - output buffer should always exist,
// and _exact_ match our inferred metadata
auto& out_mat = *get<cv::gapi::own::Mat*>(args.outObjs.at(index));
GAPI_Assert(out_mat.data != nullptr &&
desc.canDescribe(out_mat))
check_own_mat();
#endif // !defined(GAPI_STANDALONE)
}
}