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/*
* Copyright (c) 2017-2018 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.
*/
#ifndef __ARM_COMPUTE_IACCESS_WINDOW_STATIC_H__
#define __ARM_COMPUTE_IACCESS_WINDOW_STATIC_H__
#include "arm_compute/core/Coordinates.h"
#include "arm_compute/core/IAccessWindow.h"
#include "arm_compute/core/TensorShape.h"
#include "arm_compute/core/Types.h"
#include <array>
namespace arm_compute
{
class Window;
class ITensorInfo;
/** Implementation of a static rectangular access pattern.
*
* In this implementation the access offsets and sizes are not relative to the
* current element. Instead they are considered to be absolute coordinates
* within the accessed tensor's shape.
*
* */
class AccessWindowStatic : public IAccessWindow
{
public:
/** Constructor for a static access pattern.
*
* @param[in,out] info Tensor info of the accessed kernel.
* @param[in] start_x Start of the access in X direction.
* @param[in] start_y Start of the access in Y direction.
* @param[in] end_x End of the access in X direction.
* @param[in] end_y End of the access in Y direction.
*/
AccessWindowStatic(ITensorInfo *info, int start_x, int start_y, int end_x, int end_y);
/** Prevent instances of this class from being copied (As this class contains pointers) */
AccessWindowStatic(const AccessWindowStatic &) = delete;
/** Prevent instances of this class from being copied (As this class contains pointers) */
AccessWindowStatic &operator=(const AccessWindowStatic &) = delete;
/** Allow instances of this class to be move constructed */
AccessWindowStatic(AccessWindowStatic &&) = default;
/** Allow instances of this class to be moved */
AccessWindowStatic &operator=(AccessWindowStatic &&) = default;
/** Default destructor */
~AccessWindowStatic() = default;
/** Set the valid region based on the static access pattern and valid
* region of the inputs.
*
* @param[in] window Execution window of the kernel.
* @param[in] input_valid_region Combined valid region of all inputs.
*/
void set_valid_region(const Window &window, const ValidRegion &input_valid_region);
/** Compute the valid region based on the static access pattern and valid region of the inputs.
*
* @param[in] window Execution window of the kernel.
* @param[in] input_valid_region Combined valid region of all inputs.
*
* @return a valid region.
*
*/
ValidRegion compute_valid_region(const Window &window, ValidRegion input_valid_region) const;
// Inherited methods overriden:
bool update_window_if_needed(Window &window) const override;
bool update_padding_if_needed(const Window &window) override;
ValidRegion compute_valid_region(const Window &window, ValidRegion input_valid_region, bool border_undefined, BorderSize border_size) const override;
private:
ITensorInfo *_info;
int _start_x;
int _start_y;
int _end_x;
int _end_y;
};
} // namespace arm_compute
#endif /*__ARM_COMPUTE_IACCESS_WINDOW_STATIC_H__*/
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