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/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
 * Copyright (C) 2021, Google inc.
 *
 * IPU3 ToneMapping and Gamma control
 */

#include "tone_mapping.h"

#include <cmath>
#include <string.h>

/**
 * \file tone_mapping.h
 */

namespace libcamera {

namespace ipa::ipu3::algorithms {

/**
 * \class ToneMapping
 * \brief A class to handle tone mapping based on gamma
 *
 * This algorithm improves the image dynamic using a look-up table which is
 * generated based on a gamma parameter.
 */

ToneMapping::ToneMapping()
	: gamma_(1.0)
{
}

/**
 * \brief Configure the tone mapping given a configInfo
 * \param[in] context The shared IPA context