Added GFrame

modules/gapi/test/gapi_frame_tests.cpp

@@ -0,0 +1,61 @@
+// 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) 2020 Intel Corporation
+
+#include "test_precomp.hpp"
+
+#include <opencv2/gapi/cpu/gcpukernel.hpp>
+
+namespace opencv_test
+{
+
+G_API_OP(GBlurFrame, <GMat(GFrame)>, "test.blur_frame") {
+    static GMatDesc outMeta(GMatDesc in) {
+        return in;
+    }
+};
+
+GAPI_OCV_KERNEL(OCVBlurFrame, GBlurFrame)
+{
+    static void run(const cv::Mat& in, cv::Mat& out) {
+        cv::blur(in, out, cv::Size{3,3});
+    }
+};
+
+struct GFrameTest : public ::testing::Test
+{
+    cv::Size sz{32,32};
+    cv::Mat in_mat;
+    cv::Mat out_mat;
+    cv::Mat out_mat_ocv;
+
+    GFrameTest()
+        : in_mat(cv::Mat(sz, CV_8UC1))
+        , out_mat(cv::Mat::zeros(sz, CV_8UC1))
+        , out_mat_ocv(cv::Mat::zeros(sz, CV_8UC1))
+    {
+        cv::randn(in_mat, cv::Scalar::all(127.0f), cv::Scalar::all(40.f));
+        cv::blur(in_mat, out_mat_ocv, cv::Size{3,3});
+    }
+
+    void check()
+    {
+        EXPECT_EQ(0, cvtest::norm(out_mat, out_mat_ocv, NORM_INF));
+    }
+};
+
+TEST_F(GFrameTest, Input)
+{
+    cv::GFrame in;
+    auto out = GBlurFrame::on(in);
+    cv::GComputation c(cv::GIn(in), cv::GOut(out));
+
+    auto pkg = cv::gapi::kernels<OCVBlurFrame>();
+    c.apply(cv::gin(in_mat), cv::gout(out_mat), cv::compile_args(pkg));
+
+    check();
+}
+
+} // namespace opencv_test