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/*
* 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_CLHISTOGRAM_H
#define ARM_COMPUTE_CLHISTOGRAM_H
#include "arm_compute/runtime/IFunction.h"
#include "src/core/CL/kernels/CLHistogramKernel.h"
namespace arm_compute
{
class ICLDistribution1D;
class ICLTensor;
/** Basic function to execute histogram. This function calls the following OpenCL kernels:
*
* -# @ref CLHistogramKernel
* -# @ref CLHistogramBorderKernel
*
*/
class CLHistogram : public IFunction
{
public:
/*
* @ Default constructor
*/
CLHistogram();
/** Prevent instances of this class from being copied (As this class contains pointers) */
CLHistogram(const CLHistogram &) = delete;
/** Prevent instances of this class from being copied (As this class contains pointers) */
const CLHistogram &operator=(const CLHistogram &) = delete;
/** Initialize the function
*
* @param[in] input Source image. Data types supported: U8
* @param[out] output Output distribution.
*/
void configure(const ICLImage *input, ICLDistribution1D *output);
/** Initialize the function
*
* @param[in] compile_context The compile context to be used.
* @param[in] input Source image. Data types supported: U8
* @param[out] output Output distribution.
*/
void configure(const CLCompileContext &compile_context, const ICLImage *input, ICLDistribution1D *output);
// Inherited methods overridden:
void run() override;
private:
CLHistogramKernel _kernel; /**< kernel to run */
CLHistogramBorderKernel _kernel_border; /**< Border kernel to run */
};
}
#endif /*ARM_COMPUTE_CLHISTOGRAM_H */
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