text: /*
   * 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_CLNONMAXIMASUPPRESSION3x3KERNEL_H
  #define ARM_COMPUTE_CLNONMAXIMASUPPRESSION3x3KERNEL_H
  
  #include "arm_compute/core/CL/ICLSimple2DKernel.h"
  
  namespace arm_compute
  {
  class ICLTensor;
  
  /** Interface to perform Non-Maxima suppression over a 3x3 window using OpenCL
   *
   * @note Used by @ref CLFastCorners and @ref CLHarrisCorners
   */
  class CLNonMaximaSuppression3x3Kernel : public ICLSimple2DKernel
  {
  public:
      /** Initialise the kernel's sources, destinations and border mode.
       *
       * @param[in]  input            Source tensor. Data types supported: U8, F32. (Must be the same as the output tensor)
       * @param[out] output           Destination tensor. Data types supported: U8, F32. (Must be the same as the input tensor)
       * @param[in]  border_undefined True if the border mode is undefined. False if it's replicate or constant.
       */
      void configure(const ICLTensor *input, ICLTensor *output, bool border_undefined);
      /** Initialise the kernel's sources, destinations and border mode.
       *
       * @param[in]  compile_context  The compile context to be used.
       * @param[in]  input            Source tensor. Data types supported: U8, F32. (Must be the same as the output tensor)
       * @param[out] output           Destination tensor. Data types supported: U8, F32. (Must be the same as the input tensor)
       * @param[in]  border_undefined True if the border mode is undefined. False if it's replicate or constant.
       */
      void configure(const CLCompileContext &compile_context, const ICLTensor *input, ICLTensor *output, bool border_undefined);
  
      // Inherited methods overridden:
      BorderSize border_size() const override;
  };
  } // namespace arm_compute
  #endif /* ARM_COMPUTE_CLNONMAXIMASUPPRESSION3x3KERNEL_H */
  