COMPMID-1588 Create UpsampleKernel for YOLOLayer

Change-Id: Ic1f9e85306a0a0b1459c9f9aa35bd629deea1710
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/148797
Tested-by: bsgcomp <bsgcomp@arm.com>
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>
diff --git a/arm_compute/runtime/CL/functions/CLUpsampleLayer.h b/arm_compute/runtime/CL/functions/CLUpsampleLayer.h
new file mode 100644
index 0000000..df504fb
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+++ b/arm_compute/runtime/CL/functions/CLUpsampleLayer.h
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+/*
+ * 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_CLUPSAMPLELAYER_H__
+#define __ARM_COMPUTE_CLUPSAMPLELAYER_H__
+
+#include "arm_compute/runtime/IFunction.h"
+
+#include "arm_compute/core/CL/kernels/CLUpsampleLayerKernel.h"
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/IFunction.h"
+
+namespace arm_compute
+{
+class ICLTensor;
+
+/** Basic function to run @ref CLUpsampleLayerKernel */
+class CLUpsampleLayer : public IFunction
+{
+public:
+    /** Default constructor */
+    CLUpsampleLayer();
+    /** Prevent instances of this class from being copied (As this class contains pointers) */
+    CLUpsampleLayer(const CLUpsampleLayer &) = delete;
+    /** Prevent instances of this class from being copied (As this class contains pointers) */
+    CLUpsampleLayer &operator=(const CLUpsampleLayer &) = delete;
+    /** Allow instances of this class to be moved */
+    CLUpsampleLayer(CLUpsampleLayer &&) = default;
+    /** Allow instances of this class to be moved */
+    CLUpsampleLayer &operator=(CLUpsampleLayer &&) = default;
+    /** Default destructor */
+    virtual ~CLUpsampleLayer() = default;
+
+    /** Initialize the function's source, destination, interpolation type and border_mode.
+     *
+     * @param[in]  input             Source tensor. Data type supported: U8/S8/QASYMM8/U16/S16/F16/U32/S32/F32.
+     * @param[out] output            Destination tensor. Data types supported: same as @p input.
+     * @param[in]  info              Contains stride information described in @ref Size2D.
+     * @param[in]  upsampling_policy Defines the policy to fill the intermediate pixels.
+     */
+    void configure(ICLTensor *input, ICLTensor *output,
+                   const Size2D &info, const InterpolationPolicy upsampling_policy);
+    /** Static function to check if given info will lead to a valid configuration of @ref CLDeconvolutionLayerUpsample
+     *
+     * @param[in] input             Source tensor info. Data types supported: U8/S8/QASYMM8/U16/S16/F16/U32/S32/F32.
+     * @param[in] output            Destination tensor info. Data types supported: same as @p input.
+     * @param[in] info              Contains  stride information described in @ref Size2D.
+     * @param[in] upsampling_policy Defines the policy to fill the intermediate pixels.
+     *
+     * @return a status
+     */
+    static Status validate(const ITensorInfo *input, const ITensorInfo *output,
+                           const Size2D &info, const InterpolationPolicy upsampling_policy);
+
+    // Inherited methods overridden:
+    void run() override;
+
+private:
+    CLUpsampleLayerKernel _upsample;
+    ICLTensor            *_output;
+};
+} // namespace arm_compute
+#endif /* __ARM_COMPUTE_CLUPSAMPLELAYER_H__ */