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-rw-r--r--src/runtime/CL/CLPyramid.cpp127
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diff --git a/src/runtime/CL/CLPyramid.cpp b/src/runtime/CL/CLPyramid.cpp
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--- a/src/runtime/CL/CLPyramid.cpp
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-/*
- * 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
- * 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/runtime/CL/CLPyramid.h"
-
-#include "arm_compute/core/Error.h"
-#include "arm_compute/core/PyramidInfo.h"
-#include "arm_compute/core/TensorInfo.h"
-#include "arm_compute/core/TensorShape.h"
-
-#include <array>
-#include <cmath>
-
-using namespace arm_compute;
-
-CLPyramid::CLPyramid()
- : _info(), _pyramid()
-{
-}
-
-void CLPyramid::init(const PyramidInfo &info)
-{
- internal_init(info, false);
-}
-
-void CLPyramid::init_auto_padding(const PyramidInfo &info)
-{
- internal_init(info, true);
-}
-
-void CLPyramid::internal_init(const PyramidInfo &info, bool auto_padding)
-{
- _info = info;
- _pyramid.resize(_info.num_levels());
-
- size_t w = _info.width();
- size_t h = _info.height();
- size_t ref_w = w;
- size_t ref_h = h;
- const bool is_orb_scale = (SCALE_PYRAMID_ORB == _info.scale());
- TensorShape tensor_shape = _info.tensor_shape();
-
- // Note: Look-up table used by the OpenVX sample implementation
- const std::array<float, 4> c_orbscale =
- {
- {
- 0.5f,
- SCALE_PYRAMID_ORB,
- SCALE_PYRAMID_ORB * SCALE_PYRAMID_ORB,
- SCALE_PYRAMID_ORB *SCALE_PYRAMID_ORB * SCALE_PYRAMID_ORB
- }
- };
-
- for(size_t i = 0; i < _info.num_levels(); ++i)
- {
- TensorInfo tensor_info(tensor_shape, _info.format());
-
- if(auto_padding)
- {
- tensor_info.auto_padding();
- }
-
- _pyramid[i].allocator()->init(tensor_info);
-
- if(is_orb_scale)
- {
- const float orb_scale = c_orbscale[(i + 1) % 4];
- w = std::ceil(ref_w * orb_scale);
- h = std::ceil(ref_h * orb_scale);
-
- if(0 == ((i + 1) % 4))
- {
- ref_w = w;
- ref_h = h;
- }
- }
- else
- {
- w = (w + 1) * _info.scale();
- h = (h + 1) * _info.scale();
- }
-
- // Update tensor_shape
- tensor_shape.set(0, w);
- tensor_shape.set(1, h);
- }
-}
-
-void CLPyramid::allocate()
-{
- for(size_t i = 0; i < _info.num_levels(); ++i)
- {
- _pyramid[i].allocator()->allocate();
- }
-}
-
-const PyramidInfo *CLPyramid::info() const
-{
- return &_info;
-}
-
-CLTensor *CLPyramid::get_pyramid_level(size_t index) const
-{
- ARM_COMPUTE_ERROR_ON(index >= _info.num_levels());
-
- return &_pyramid[index];
-}