COMPMID-1019 Implement copy function CL

Change-Id: Ica17528bf6c812d9caf9d66c612c11434ec1dc69
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/125542
Tested-by: Jenkins <bsgcomp@arm.com>
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>
diff --git a/arm_compute/core/CL/kernels/CLCopyKernel.h b/arm_compute/core/CL/kernels/CLCopyKernel.h
new file mode 100644
index 0000000..40b8203
--- /dev/null
+++ b/arm_compute/core/CL/kernels/CLCopyKernel.h
@@ -0,0 +1,63 @@
+/*
+ * Copyright (c) 2018 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLCOPYKERNEL_H__
+#define __ARM_COMPUTE_CLCOPYKERNEL_H__
+
+#include "arm_compute/core/CL/ICLKernel.h"
+#include "arm_compute/core/Types.h"
+
+namespace arm_compute
+{
+class ICLTensor;
+
+/** OpenCL kernel to perform a copy between two tensors */
+class CLCopyKernel : public ICLKernel
+{
+public:
+    /** Default constructor */
+    CLCopyKernel();
+    /** Prevent instances of this class from being copied (As this class contains pointers). */
+    CLCopyKernel(const CLCopyKernel &) = delete;
+    /** Prevent instances of this class from being copied (As this class contains pointers). */
+    CLCopyKernel &operator=(const CLCopyKernel &) = delete;
+    /** Allow instances of this class to be moved */
+    CLCopyKernel(CLCopyKernel &&) = default;
+    /** Allow instances of this class to be moved */
+    CLCopyKernel &operator=(CLCopyKernel &&) = default;
+    /** Initialize the kernel's input, output.
+     *
+     * @param[in]  input  Source tensor. Data types supported: U8.
+     * @param[out] output Destination tensor. Data types supported: U8.
+     */
+    void configure(const ICLTensor *input, ICLTensor *output);
+
+    // Inherited methods overridden:
+    void run(const Window &window, cl::CommandQueue &queue) override;
+
+private:
+    const ICLTensor *_input;
+    ICLTensor       *_output;
+};
+} // namespace arm_compute
+#endif /*__ARM_COMPUTE_CLCOPYKERNEL_H__ */