COMPMID-1017: Implement dilated convolution in NEON, OpenCL, and GC

Change-Id: If4626ec9e215e14dffe22e80812da5bac84a52e2
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/125734
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>
Tested-by: Jenkins <bsgcomp@arm.com>
diff --git a/arm_compute/core/Size2D.h b/arm_compute/core/Size2D.h
index 37c4ebd..ff7466d 100644
--- a/arm_compute/core/Size2D.h
+++ b/arm_compute/core/Size2D.h
@@ -70,6 +70,24 @@
         return support::cpp11::to_string(width) + std::string("x") + support::cpp11::to_string(height);
     }
 
+    /** Semantic accessor for width as x.
+     *
+     * @return x.
+     */
+    size_t x() const
+    {
+        return width;
+    }
+
+    /** Semantic accessor for height as y.
+     *
+     * @return y.
+     */
+    size_t y() const
+    {
+        return height;
+    }
+
 public:
     size_t width  = {}; /**< Width of the image region or rectangle */
     size_t height = {}; /**< Height of the image region or rectangle */