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Diffstat (limited to 'src/core/AccessWindowStatic.h')
-rw-r--r-- | src/core/AccessWindowStatic.h | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/src/core/AccessWindowStatic.h b/src/core/AccessWindowStatic.h new file mode 100644 index 0000000000..f7d43cbb55 --- /dev/null +++ b/src/core/AccessWindowStatic.h @@ -0,0 +1,101 @@ +/* + * Copyright (c) 2017-2020 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_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*/ |