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Merge pull request #15699 from TolyaTalamanov:at/graph-ocv-render-backend-skeleton

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G-API: Implement OpenCV render backend

* Implement render opencv backend

* Fix comment to review

* Add comment

* Add wrappers for kernels

* Fix comments to review

* Fix comment to review
This commit is contained in:
atalaman
2019-10-17 21:04:03 +03:00
committed by Alexander Alekhin
parent cc9b199ecb
commit 2ff12c4981
16 changed files with 483 additions and 126 deletions
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modules/gapi/src/api/render.cpp
+32 -8
View File
@@ -1,34 +1,33 @@
#include <opencv2/imgproc.hpp>
#include <opencv2/gapi/render.hpp>
#include <opencv2/gapi/render/render.hpp>
#include <opencv2/gapi/own/assert.hpp>
#include "api/render_priv.hpp"
void cv::gapi::wip::draw::render(cv::Mat &bgr,
const cv::gapi::wip::draw::Prims &prims,
const cv::gapi::GKernelPackage& pkg)
cv::GCompileArgs&& args)
{
cv::GMat in;
cv::GArray<Prim> arr;
cv::GComputation comp(cv::GIn(in, arr),
cv::GOut(cv::gapi::wip::draw::GRenderBGR::on(in, arr)));
comp.apply(cv::gin(bgr, prims), cv::gout(bgr), cv::compile_args(pkg));
cv::GOut(cv::gapi::wip::draw::render3ch(in, arr)));
comp.apply(cv::gin(bgr, prims), cv::gout(bgr), std::move(args));
}
void cv::gapi::wip::draw::render(cv::Mat &y_plane,
cv::Mat &uv_plane,
const Prims &prims,
const GKernelPackage& pkg)
cv::GCompileArgs&& args)
{
cv::GMat y_in, uv_in, y_out, uv_out;
cv::GArray<Prim> arr;
std::tie(y_out, uv_out) = cv::gapi::wip::draw::GRenderNV12::on(y_in, uv_in, arr);
std::tie(y_out, uv_out) = cv::gapi::wip::draw::renderNV12(y_in, uv_in, arr);
cv::GComputation comp(cv::GIn(y_in, uv_in, arr), cv::GOut(y_out, uv_out));
comp.apply(cv::gin(y_plane, uv_plane, prims),
cv::gout(y_plane, uv_plane),
cv::compile_args(pkg));
cv::gout(y_plane, uv_plane), std::move(args));
}
void cv::gapi::wip::draw::BGR2NV12(const cv::Mat &bgr,
@@ -48,3 +47,28 @@ void cv::gapi::wip::draw::BGR2NV12(const cv::Mat &bgr,
cv::merge(std::vector<cv::Mat>{chs[1], chs[2]}, uv_plane);
cv::resize(uv_plane, uv_plane, uv_plane.size() / 2, cv::INTER_LINEAR);
}
namespace cv
{
namespace detail
{
template<> struct CompileArgTag<cv::gapi::wip::draw::use_freetype>
{
static const char* tag() { return "gapi.use_freetype"; }
};
} // namespace detail
GMat cv::gapi::wip::draw::render3ch(const GMat& src, const GArray<Prim>& prims)
{
return cv::gapi::wip::draw::GRenderBGR::on(src, prims);
}
std::tuple<GMat, GMat> cv::gapi::wip::draw::renderNV12(const GMat& y,
const GMat& uv,
const GArray<cv::gapi::wip::draw::Prim>& prims)
{
return cv::gapi::wip::draw::GRenderNV12::on(y, uv, prims);
}
} // namespace cv