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gapi_opaque_tests.cpp
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gapi_opaque_tests.cpp
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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) 2019 Intel Corporation
#include "test_precomp.hpp"
#include <string>
#include <utility>
namespace opencv_test
{
namespace ThisTest
{
using GPointOpaque = cv::GOpaque<cv::Point>;
G_TYPED_KERNEL(GeneratePoint, <GPointOpaque(GMat)>, "test.opaque.gen_point")
{
static GOpaqueDesc outMeta(const GMatDesc&) { return empty_gopaque_desc(); }
};
G_TYPED_KERNEL(FillMat, <GMat(cv::GOpaque<int>, int, int, cv::Size)>, "test.opaque.fill_mat")
{
static GMatDesc outMeta(const GOpaqueDesc&, int depth, int chan, cv::Size size)
{
return cv::GMatDesc{depth, chan, size};
}
};
G_TYPED_KERNEL(PaintPoint, <GMat(GPointOpaque, int, int, cv::Size)>, "test.opaque.paint_point")
{
static GMatDesc outMeta(const GOpaqueDesc&, int depth, int chan, cv::Size size)
{
return cv::GMatDesc{depth, chan, size};
}
};
struct MyCustomType{
int num = -1;
std::string s;
};
using GOpaq2 = std::tuple<GOpaque<MyCustomType>,GOpaque<MyCustomType>>;
G_TYPED_KERNEL_M(GenerateOpaque, <GOpaq2(GMat, GMat, std::string)>, "test.opaque.gen_point_multy")
{
static std::tuple<GOpaqueDesc, GOpaqueDesc> outMeta(const GMatDesc&, const GMatDesc&, std::string)
{
return std::make_tuple(empty_gopaque_desc(), empty_gopaque_desc());
}
};
} // namespace ThisTest
namespace
{
GAPI_OCV_KERNEL(OCVGeneratePoint, ThisTest::GeneratePoint)
{
static void run(const cv::Mat&, cv::Point& out)
{
out = cv::Point(42, 42);
}
};
GAPI_OCV_KERNEL(OCVFillMat, ThisTest::FillMat)
{
static void run(int a, int, int, cv::Size, cv::Mat& out)
{
out = cv::Scalar(a);
}
};
GAPI_OCV_KERNEL(OCVPaintPoint, ThisTest::PaintPoint)
{
static void run(cv::Point a, int, int, cv::Size, cv::Mat& out)
{
out.at<uint8_t>(a) = 77;
}
};
GAPI_OCV_KERNEL(OCVGenerateOpaque, ThisTest::GenerateOpaque)
{
static void run(const cv::Mat& a, const cv::Mat& b, const std::string& s,
ThisTest::MyCustomType &out1, ThisTest::MyCustomType &out2)
{
out1.num = a.size().width * a.size().height;
out1.s = s;
out2.num = b.size().width * b.size().height;
auto s2 = s;
std::reverse(s2.begin(), s2.end());
out2.s = s2;
}
};
} // (anonymous namespace)
TEST(GOpaque, TestOpaqueOut)
{
cv::Mat input = cv::Mat(52, 52, CV_8U);
cv::Point point;
cv::GMat in;
auto out = ThisTest::GeneratePoint::on(in);
cv::GComputation c(cv::GIn(in), cv::GOut(out));
c.apply(cv::gin(input), cv::gout(point), cv::compile_args(cv::gapi::kernels<OCVGeneratePoint>()));
EXPECT_TRUE(point == cv::Point(42, 42));
}
TEST(GOpaque, TestOpaqueIn)
{
cv::Size sz = {42, 42};
int depth = CV_8U;
int chan = 1;
cv::Mat mat = cv::Mat(sz, CV_MAKETYPE(depth, chan));
int fill = 0;
cv::GOpaque<int> in;
auto out = ThisTest::FillMat::on(in, depth, chan, sz);
cv::GComputation c(cv::GIn(in), cv::GOut(out));
c.apply(cv::gin(fill), cv::gout(mat), cv::compile_args(cv::gapi::kernels<OCVFillMat>()));
auto diff = cv::Mat(sz, CV_MAKETYPE(depth, chan), cv::Scalar(fill)) - mat;
EXPECT_EQ(0, cvtest::norm(diff, NORM_INF));
}
TEST(GOpaque, TestOpaqueBetween)
{
cv::Size sz = {50, 50};
int depth = CV_8U;
int chan = 1;
cv::Mat mat_in = cv::Mat::zeros(sz, CV_MAKETYPE(depth, chan));
cv::Mat mat_out = cv::Mat::zeros(sz, CV_MAKETYPE(depth, chan));
cv::GMat in, out;
auto betw = ThisTest::GeneratePoint::on(in);
out = ThisTest::PaintPoint::on(betw, depth, chan, sz);
cv::GComputation c(cv::GIn(in), cv::GOut(out));
c.apply(cv::gin(mat_in), cv::gout(mat_out), cv::compile_args(cv::gapi::kernels<OCVGeneratePoint, OCVPaintPoint>()));
int painted = mat_out.at<uint8_t>(42, 42);
EXPECT_EQ(painted, 77);
}
TEST(GOpaque, TestOpaqueCustomOut2)
{
cv::Mat input1 = cv::Mat(52, 52, CV_8U);
cv::Mat input2 = cv::Mat(42, 42, CV_8U);
std::string str = "opaque";
std::string str2 = str;
std::reverse(str2.begin(), str2.end());
ThisTest::MyCustomType out1, out2;
cv::GMat in1, in2;
auto out = ThisTest::GenerateOpaque::on(in1, in2, str);
cv::GComputation c(cv::GIn(in1, in2), cv::GOut(std::get<0>(out), std::get<1>(out)));
c.apply(cv::gin(input1, input2), cv::gout(out1, out2), cv::compile_args(cv::gapi::kernels<OCVGenerateOpaque>()));
EXPECT_EQ(out1.num, input1.size().width * input1.size().height);
EXPECT_EQ(out1.s, str);
EXPECT_EQ(out2.num, input2.size().width * input2.size().height);
EXPECT_EQ(out2.s, str2);
}
TEST(GOpaque_OpaqueRef, TestMov)
{
// Warning: this test is testing some not-very-public APIs
// Test how OpaqueRef's mov() (aka poor man's move()) is working.
using I = std::string;
std::string str = "this string must be long due to short string optimization";
const I gold(str);
I test = gold;
const char* ptr = test.data();
cv::detail::OpaqueRef ref(test);
cv::detail::OpaqueRef mov;
mov.reset<I>();
EXPECT_EQ(gold, ref.rref<I>()); // ref = gold
mov.mov(ref);
EXPECT_EQ(gold, mov.rref<I>()); // mov obtained the data
EXPECT_EQ(ptr, mov.rref<I>().data()); // pointer is unchanged (same data)
EXPECT_EQ(test, ref.rref<I>()); // ref = test
EXPECT_NE(test, mov.rref<I>()); // ref lost the data
}
} // namespace opencv_test