Merge pull request #18516 from anna-khakimova:ak/bgr2rgb

GAPI: Addition new Color conversion kernels to CPU backend.

* Add BGR2RGB kernel to CPU backend

* Add BGR2I420 and RGB2I420 kernels to CPU backend

* Add I4202BGR and I4202RGB kernels to CPU backend

modules/gapi/src/api/kernels_imgproc.cpp

@@ -115,6 +115,11 @@ cv::GArray<cv::Point2f> goodFeaturesToTrack(const GMat& image, int maxCorners, d
                                       useHarrisDetector, k);
 }
 
+GMat BGR2RGB(const GMat& src)
+{
+    return imgproc::GBGR2RGB::on(src);
+}
+
 GMat RGB2Gray(const GMat& src)
 {
     return imgproc::GRGB2Gray::on(src);
@@ -160,6 +165,26 @@ GMat YUV2RGB(const GMat& src)
     return imgproc::GYUV2RGB::on(src);
 }
 
+GMat BGR2I420(const GMat& src)
+{
+    return imgproc::GBGR2I420::on(src);
+}
+
+GMat RGB2I420(const GMat& src)
+{
+    return imgproc::GRGB2I420::on(src);
+}
+
+GMat I4202BGR(const GMat& src)
+{
+    return imgproc::GI4202BGR::on(src);
+}
+
+GMat I4202RGB(const GMat& src)
+{
+    return imgproc::GI4202RGB::on(src);
+}
+
 GMat NV12toRGB(const GMat& src_y, const GMat& src_uv)
 {
     return imgproc::GNV12toRGB::on(src_y, src_uv);