COMPMID-344 Updated doxygen
Change-Id: I32f7b84daa560e460b77216add529c8fa8b327ae
diff --git a/src/runtime/NEON/functions/NEGaussianPyramid.cpp b/src/runtime/NEON/functions/NEGaussianPyramid.cpp
new file mode 100644
index 0000000..e1d64f1
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+++ b/src/runtime/NEON/functions/NEGaussianPyramid.cpp
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+/*
+ * Copyright (c) 2016, 2017 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/NEON/functions/NEGaussianPyramid.h"
+
+#include "arm_compute/core/Error.h"
+#include "arm_compute/core/Helpers.h"
+#include "arm_compute/core/ITensor.h"
+#include "arm_compute/core/NEON/kernels/NEGaussianPyramidKernel.h"
+#include "arm_compute/core/NEON/kernels/NEScaleKernel.h"
+#include "arm_compute/core/PixelValue.h"
+#include "arm_compute/core/TensorInfo.h"
+#include "arm_compute/core/Validate.h"
+#include "arm_compute/runtime/NEON/NEScheduler.h"
+#include "arm_compute/runtime/NEON/functions/NEGaussian5x5.h"
+#include "arm_compute/runtime/Pyramid.h"
+#include "arm_compute/runtime/Tensor.h"
+#include "arm_compute/runtime/TensorAllocator.h"
+
+#include <cstddef>
+
+using namespace arm_compute;
+
+NEGaussianPyramid::NEGaussianPyramid()
+ : _input(nullptr), _pyramid(nullptr), _tmp()
+{
+}
+
+NEGaussianPyramidHalf::NEGaussianPyramidHalf()
+ : _border_handler(), _horizontal_reduction(), _vertical_reduction()
+{
+}
+
+void NEGaussianPyramidHalf::configure(const ITensor *input, IPyramid *pyramid, 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(nullptr == pyramid);
+ ARM_COMPUTE_ERROR_ON(input->info()->num_dimensions() != pyramid->get_pyramid_level(0)->info()->num_dimensions());
+ ARM_COMPUTE_ERROR_ON(input->info()->dimension(0) != pyramid->info()->width());
+ ARM_COMPUTE_ERROR_ON(input->info()->dimension(1) != pyramid->info()->height());
+ ARM_COMPUTE_ERROR_ON(SCALE_PYRAMID_HALF != pyramid->info()->scale());
+
+ /* Get number of pyramid levels */
+ const size_t num_levels = pyramid->info()->num_levels();
+
+ _input = input;
+ _pyramid = pyramid;
+
+ if(num_levels > 1)
+ {
+ _border_handler = arm_compute::cpp14::make_unique<NEFillBorderKernel[]>(num_levels - 1);
+ _horizontal_reduction = arm_compute::cpp14::make_unique<NEGaussianPyramidHorKernel[]>(num_levels - 1);
+ _vertical_reduction = arm_compute::cpp14::make_unique<NEGaussianPyramidVertKernel[]>(num_levels - 1);
+
+ // Apply half scale to the X dimension of the tensor shape
+ TensorShape tensor_shape = pyramid->info()->tensor_shape();
+ tensor_shape.set(0, (pyramid->info()->width() + 1) * SCALE_PYRAMID_HALF);
+
+ PyramidInfo pyramid_info(num_levels - 1, SCALE_PYRAMID_HALF, tensor_shape, Format::S16);
+ _tmp.init(pyramid_info);
+
+ for(unsigned int i = 0; i < num_levels - 1; ++i)
+ {
+ /* Configure horizontal kernel */
+ _horizontal_reduction[i].configure(_pyramid->get_pyramid_level(i), _tmp.get_pyramid_level(i), border_mode == BorderMode::UNDEFINED);
+
+ /* Configure vertical kernel */
+ _vertical_reduction[i].configure(_tmp.get_pyramid_level(i), _pyramid->get_pyramid_level(i + 1), border_mode == BorderMode::UNDEFINED);
+
+ /* Configure border */
+ _border_handler[i].configure(_pyramid->get_pyramid_level(i), _horizontal_reduction[i].border_size(), border_mode, PixelValue(constant_border_value));
+ }
+
+ _tmp.allocate();
+ }
+}
+
+void NEGaussianPyramidHalf::run()
+{
+ ARM_COMPUTE_ERROR_ON_MSG(_pyramid == nullptr, "Unconfigured function");
+
+ /* Get number of pyramid levels */
+ const size_t num_levels = _pyramid->info()->num_levels();
+
+ /* The first level of the pyramid has the input image */
+ _pyramid->get_pyramid_level(0)->copy_from(*_input);
+
+ for(unsigned int i = 0; i < num_levels - 1; ++i)
+ {
+ _border_handler[i].run(_border_handler[i].window());
+ NEScheduler::get().schedule(_horizontal_reduction.get() + i, Window::DimY);
+ NEScheduler::get().schedule(_vertical_reduction.get() + i, Window::DimY);
+ }
+}
+
+NEGaussianPyramidOrb::NEGaussianPyramidOrb()
+ : _offsets(), _gaus5x5(), _scale_nearest()
+{
+}
+
+void NEGaussianPyramidOrb::configure(const ITensor *input, IPyramid *pyramid, 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(nullptr == pyramid);
+ ARM_COMPUTE_ERROR_ON(input->info()->num_dimensions() != pyramid->get_pyramid_level(0)->info()->num_dimensions());
+ ARM_COMPUTE_ERROR_ON(input->info()->dimension(0) != pyramid->info()->width());
+ ARM_COMPUTE_ERROR_ON(input->info()->dimension(1) != pyramid->info()->height());
+ ARM_COMPUTE_ERROR_ON(SCALE_PYRAMID_ORB != pyramid->info()->scale());
+
+ /* Get number of pyramid levels */
+ const size_t num_levels = pyramid->info()->num_levels();
+
+ _input = input;
+ _pyramid = pyramid;
+
+ if(num_levels > 1)
+ {
+ _gaus5x5 = arm_compute::cpp14::make_unique<NEGaussian5x5[]>(num_levels - 1);
+ _scale_nearest = arm_compute::cpp14::make_unique<NEScaleKernel[]>(num_levels - 1);
+ _offsets = arm_compute::cpp14::make_unique<Image[]>(num_levels - 1);
+
+ PyramidInfo pyramid_info(num_levels - 1, SCALE_PYRAMID_ORB, pyramid->info()->tensor_shape(), Format::U8);
+ _tmp.init(pyramid_info);
+
+ for(unsigned int i = 0; i < num_levels - 1; ++i)
+ {
+ const size_t width = _pyramid->get_pyramid_level(i + 1)->info()->dimension(0);
+ const size_t height = _pyramid->get_pyramid_level(i + 1)->info()->dimension(1);
+
+ /* Allocate Image for the offsets used by NEAREST interpolation */
+ TensorInfo tensor_info(TensorShape(width, height), Format::S32);
+ _offsets[i].allocator()->init(tensor_info);
+
+ /* Configure gaussian 5x5 */
+ _gaus5x5[i].configure(_pyramid->get_pyramid_level(i), _tmp.get_pyramid_level(i), border_mode, constant_border_value);
+
+ /* Configure scale image kernel */
+ _scale_nearest[i].configure(_tmp.get_pyramid_level(i), nullptr, nullptr, _offsets.get() + i, _pyramid->get_pyramid_level(i + 1), InterpolationPolicy::NEAREST_NEIGHBOR,
+ border_mode == BorderMode::UNDEFINED);
+
+ _offsets[i].allocator()->allocate();
+ }
+
+ _tmp.allocate();
+ }
+}
+
+void NEGaussianPyramidOrb::run()
+{
+ ARM_COMPUTE_ERROR_ON_MSG(_pyramid == nullptr, "Unconfigured function");
+
+ /* Get number of pyramid levels */
+ const size_t num_levels = _pyramid->info()->num_levels();
+
+ /* The first level of the pyramid has the input image */
+ _pyramid->get_pyramid_level(0)->copy_from(*_input);
+
+ for(unsigned int i = 0; i < num_levels - 1; ++i)
+ {
+ _gaus5x5[i].run();
+ NEScheduler::get().schedule(_scale_nearest.get() + i, Window::DimY);
+ }
+}