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+/*
+ * Copyright (c) 2017 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_CPPCORNERCANDIDATESKERNEL_H__
+#define __ARM_COMPUTE_CPPCORNERCANDIDATESKERNEL_H__
+
+#include "arm_compute/core/IArray.h"
+#include "arm_compute/core/NEON/INEKernel.h"
+
+#include <cstdint>
+#include <mutex>
+
+namespace arm_compute
+{
+class ITensor;
+using IImage = ITensor;
+
+/** CPP kernel to perform corner candidates
+ */
+class CPPCornerCandidatesKernel : public INEKernel
+{
+public:
+ /** Default constructor */
+ CPPCornerCandidatesKernel();
+ /** Prevent instances of this class from being copied (As this class contains pointers) */
+ CPPCornerCandidatesKernel(const CPPCornerCandidatesKernel &) = delete;
+ /** Prevent instances of this class from being copied (As this class contains pointers) */
+ CPPCornerCandidatesKernel &operator=(const CPPCornerCandidatesKernel &) = delete;
+ /** Allow instances of this class to be moved */
+ CPPCornerCandidatesKernel(CPPCornerCandidatesKernel &&) = default;
+ /** Allow instances of this class to be moved */
+ CPPCornerCandidatesKernel &operator=(CPPCornerCandidatesKernel &&) = default;
+ /** Default destructor */
+ ~CPPCornerCandidatesKernel() = default;
+
+ /** Setup the kernel parameters
+ *
+ * @param[in] input Source image (harris score). Format supported F32
+ * @param[out] output Destination array of InternalKeypoint
+ * @param[out] num_corner_candidates Number of corner candidates
+ */
+ void configure(const IImage *input, InternalKeypoint *output, int32_t *num_corner_candidates);
+
+ // Inherited methods overridden:
+ void run(const Window &window) override;
+
+private:
+ int32_t *_num_corner_candidates; /**< Number of corner candidates */
+ std::mutex _corner_candidates_mutex; /**< Mutex to preventing race conditions */
+ const IImage *_input; /**< Source image - Harris score */
+ InternalKeypoint *_output; /**< Array of NEInternalKeypoint */
+};
+} //namespace arm_compute
+#endif /* __ARM_COMPUTE_CPPCORNERCANDIDATESKERNEL_H__ */