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/*
* Copyright (c) 2016-2018 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.
*/
#include "arm_compute/core/CPP/ICPPSimpleKernel.h"
#include "arm_compute/core/Helpers.h"
#include "arm_compute/core/IAccessWindow.h"
#include "arm_compute/core/ITensor.h"
namespace arm_compute
{
namespace
{
std::pair<Status, Window> validate_and_configure_window(ITensorInfo *input, ITensorInfo *output, unsigned int num_elems_processed_per_iteration,
bool border_undefined, const arm_compute::BorderSize &border_size)
{
// Configure kernel window
Window win = calculate_max_window(*input, Steps(num_elems_processed_per_iteration), border_undefined, border_size);
AccessWindowHorizontal input_access(input, 0, num_elems_processed_per_iteration);
AccessWindowHorizontal output_access(output, 0, num_elems_processed_per_iteration);
bool window_changed = update_window_and_padding(win, input_access, output_access);
output_access.set_valid_region(win, input->valid_region(), border_undefined, border_size);
Status err = (window_changed) ? ARM_COMPUTE_CREATE_ERROR(ErrorCode::RUNTIME_ERROR, "Insufficient Padding!") : Status{};
return std::make_pair(err, win);
}
} // namespace
ICPPSimpleKernel::ICPPSimpleKernel()
: _input{ nullptr }, _output{ nullptr }
{
}
void ICPPSimpleKernel::configure(const ITensor *input, ITensor *output, unsigned int num_elems_processed_per_iteration, bool border_undefined, const BorderSize &border_size)
{
_input = input;
_output = output;
// Configure kernel window
auto win_config = validate_and_configure_window(input->info(), output->info(), num_elems_processed_per_iteration, border_undefined, border_size);
ARM_COMPUTE_ERROR_THROW_ON(win_config.first);
ICPPKernel::configure(win_config.second);
}
Status ICPPSimpleKernel::validate(const ITensorInfo *input, const ITensorInfo *output, unsigned int num_elems_processed_per_iteration,
bool border_undefined, const arm_compute::BorderSize &border_size)
{
ARM_COMPUTE_RETURN_ON_ERROR(validate_and_configure_window(input->clone().get(), output->clone().get(), num_elems_processed_per_iteration, border_undefined, border_size).first);
return Status{};
}
} // namespace arm_compute
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