src/runtime/NEON/functions/NEDerivative.cpp

/*
 * 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
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 * SOFTWARE.
 */
#include "arm_compute/runtime/NEON/functions/NEDerivative.h"

#include "arm_compute/core/Error.h"
#include "arm_compute/core/PixelValue.h"
#include "arm_compute/core/Validate.h"
#include "arm_compute/runtime/NEON/NEScheduler.h"
#include "src/core/NEON/kernels/NEDerivativeKernel.h"
#include "src/core/NEON/kernels/NEFillBorderKernel.h"
#include "support/MemorySupport.h"

namespace arm_compute
{
NEDerivative::~NEDerivative() = default;

NEDerivative::NEDerivative()
    : _kernel(), _border_handler()
{
}

void NEDerivative::configure(ITensor *input, ITensor *output_x, ITensor *output_y, BorderMode border_mode, uint8_t constant_border_value)
{
    ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::U8);
    ARM_COMPUTE_ERROR_ON((output_x == nullptr) && (output_y == nullptr));

    _kernel         = arm_compute::support::cpp14::make_unique<NEDerivativeKernel>();
    _border_handler = arm_compute::support::cpp14::make_unique<NEFillBorderKernel>();

    _kernel->configure(input, output_x, output_y, border_mode == BorderMode::UNDEFINED);
    _border_handler->configure(input, BorderSize(1), border_mode, PixelValue(constant_border_value));
}

void NEDerivative::run()
{
    NEScheduler::get().schedule(_border_handler.get(), Window::DimZ);
    NEScheduler::get().schedule(_kernel.get(), Window::DimY);
}
} // namespace arm_compute