COMPMID-3638: Move NEON kernels
Signed-off-by: Michalis Spyrou <michalis.spyrou@arm.com>
Change-Id: Ieed3e4bc8be7fef80c90c5094599b477a56fc473
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/4285
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
diff --git a/src/core/NEON/kernels/NEFastCornersKernel.h b/src/core/NEON/kernels/NEFastCornersKernel.h
new file mode 100644
index 0000000..a4086af
--- /dev/null
+++ b/src/core/NEON/kernels/NEFastCornersKernel.h
@@ -0,0 +1,78 @@
+/*
+ * Copyright (c) 2016-2020 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_NEFASTCORNERSKERNEL_H
+#define ARM_COMPUTE_NEFASTCORNERSKERNEL_H
+
+#include "arm_compute/core/Types.h"
+#include "src/core/NEON/INEKernel.h"
+
+#include <cstdint>
+
+namespace arm_compute
+{
+class ITensor;
+using IImage = ITensor;
+
+/** NEON kernel to perform fast corners */
+class NEFastCornersKernel : public INEKernel
+{
+public:
+ const char *name() const override
+ {
+ return "NEFastCornersKernel";
+ }
+ /** Constructor */
+ NEFastCornersKernel();
+ /** Prevent instances of this class from being copied (As this class contains pointers) */
+ NEFastCornersKernel(const NEFastCornersKernel &) = delete;
+ /** Prevent instances of this class from being copied (As this class contains pointers) */
+ NEFastCornersKernel &operator=(const NEFastCornersKernel &) = delete;
+ /** Allow instances of this class to be moved */
+ NEFastCornersKernel(NEFastCornersKernel &&) = default;
+ /** Allow instances of this class to be moved */
+ NEFastCornersKernel &operator=(NEFastCornersKernel &&) = default;
+ /** Default destructor */
+ ~NEFastCornersKernel() = default;
+ /** Initialise the kernel.
+ *
+ * @param[in] input Source image. Data type supported: U8.
+ * @param[out] output Output image. Data type supported: U8.
+ * @param[in] threshold Threshold on difference between intensity of the central pixel and pixels on Bresenham's circle of radius 3.
+ * @param[in] non_max_suppression True if non-maxima suppresion is applied, false otherwise.
+ * @param[in] border_undefined True if the border mode is undefined. False if it's replicate or constant.
+ */
+ void configure(const IImage *input, IImage *output, uint8_t threshold, bool non_max_suppression, bool border_undefined);
+
+ // Inherited methods overridden:
+ void run(const Window &window, const ThreadInfo &info) override;
+ BorderSize border_size() const override;
+
+private:
+ const IImage *_input; /**< source image */
+ IImage *_output; /**< inermediate results */
+ uint8_t _threshold; /**< threshold on difference between intensity */
+ bool _non_max_suppression; /** true if non-maxima suppression is applied in the next stage */
+};
+} // namespace arm_compute
+#endif /* ARM_COMPUTE_NEFASTCORNERSKERNEL_H */