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diff --git a/src/gpu/cl/kernels/ClDepthConcatenateKernel.h b/src/gpu/cl/kernels/ClDepthConcatenateKernel.h
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+++ b/src/gpu/cl/kernels/ClDepthConcatenateKernel.h
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+/*
+ * Copyright (c) 2017-2021 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_CL_DEPTH_CONCATENATE_KERNEL_H
+#define ARM_COMPUTE_CL_DEPTH_CONCATENATE_KERNEL_H
+
+#include "src/core/common/Macros.h"
+#include "src/gpu/cl/ClCompileContext.h"
+#include "src/gpu/cl/IClKernel.h"
+
+namespace arm_compute
+{
+namespace opencl
+{
+namespace kernels
+{
+/** Interface for the depth concatenate kernel.
+ *  The src tensor will be concatenated into the dst tensor.
+ */
+class ClDepthConcatenateKernel : public IClKernel
+{
+public:
+    ClDepthConcatenateKernel();
+    ARM_COMPUTE_DISALLOW_COPY_ALLOW_MOVE(ClDepthConcatenateKernel);
+    /** Initialise the kernel's source and destination
+     *
+     * @param[in]     compile_context The compile context to be used.
+     * @param[in]     src             Source tensor info. Data types supported: QASYMM8/QASYMM8_SIGNED/F16/F32.
+     * @param[in]     depth_offset    The offset on the Z axis.
+     * @param[in,out] dst             Destination tensor info. Data types supported: Same as @p src.
+     *
+     * @note: The dst tensor's low two dimensions can't be smaller than the src one's.
+     * @note: The gaps between the two lowest dimensions of src and dst need to be divisible by 2.
+     *
+     */
+    void
+    configure(const CLCompileContext &compile_context, ITensorInfo *src, unsigned int depth_offset, ITensorInfo *dst);
+    /** Static function to check if given info will lead to a valid configuration
+     *
+     * Similar to @ref ClDepthConcatenateKernel::configure()
+     *
+     * @return a status
+     */
+    static Status validate(const ITensorInfo *src, unsigned int depth_offset, const ITensorInfo *dst);
+
+    // Inherited methods overridden:
+    void run_op(ITensorPack &tensors, const Window &window, ::cl::CommandQueue &queue) override;
+
+private:
+    unsigned int _depth_offset;
+};
+} // namespace kernels
+} // namespace opencl
+} // namespace arm_compute
+#endif /* ARM_COMPUTE_CL_DEPTH_CONCATENATE_KERNEL_H */