From 5a7e776eee2e9147eab12631f5717847fb6cac5c Mon Sep 17 00:00:00 2001 From: Georgios Pinitas Date: Fri, 1 Dec 2017 16:27:29 +0000 Subject: COMPMID-556: Rename CPP folder to reference Change-Id: I147644349547c4e3804a80b564a9ad95131ad2d0 Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/111560 Reviewed-by: Michalis Spyrou Tested-by: BSG Visual Compute Jenkins server to access repositories on http://mpd-gerrit.cambridge.arm.com --- tests/validation/reference/WarpAffine.cpp | 135 ++++++++++++++++++++++++++++++ 1 file changed, 135 insertions(+) create mode 100644 tests/validation/reference/WarpAffine.cpp (limited to 'tests/validation/reference/WarpAffine.cpp') diff --git a/tests/validation/reference/WarpAffine.cpp b/tests/validation/reference/WarpAffine.cpp new file mode 100644 index 0000000000..7b903b7661 --- /dev/null +++ b/tests/validation/reference/WarpAffine.cpp @@ -0,0 +1,135 @@ +/* + * Copyright (c) 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 "WarpAffine.h" + +#include "Utils.h" + +namespace arm_compute +{ +namespace test +{ +namespace validation +{ +namespace reference +{ +bool valid_bilinear_policy(float xn, float yn, int width, int height, BorderMode border_mode) +{ + if(border_mode != BorderMode::UNDEFINED) + { + return true; + } + if((0 <= yn + 1) && (yn + 1 < height) && (0 <= xn + 1) && (xn + 1 < width)) + { + return true; + } + return false; +} + +template +SimpleTensor warp_affine(const SimpleTensor &src, SimpleTensor &valid_mask, const float *matrix, InterpolationPolicy policy, BorderMode border_mode, uint8_t constant_border_value) +{ + SimpleTensor dst(src.shape(), src.data_type()); + + // x0 = M00 * x + M01 * y + M02 + // y0 = M10 * x + M11 * y + M12 + const float M00 = matrix[0]; + const float M10 = matrix[1]; + const float M01 = matrix[0 + 1 * 2]; + const float M11 = matrix[1 + 1 * 2]; + const float M02 = matrix[0 + 2 * 2]; + const float M12 = matrix[1 + 2 * 2]; + + const int width = src.shape().x(); + const int height = src.shape().y(); + + for(int element_idx = 0; element_idx < src.num_elements(); ++element_idx) + { + valid_mask[element_idx] = 1; + Coordinates id = index2coord(src.shape(), element_idx); + int idx = id.x(); + int idy = id.y(); + + float x0 = M00 * idx + M01 * idy + M02; + float y0 = M10 * idx + M11 * idy + M12; + + id.set(0, static_cast(std::floor(x0))); + id.set(1, static_cast(std::floor(y0))); + if((0 <= y0) && (y0 < height) && (0 <= x0) && (x0 < width)) + { + switch(policy) + { + case InterpolationPolicy::NEAREST_NEIGHBOR: + dst[element_idx] = tensor_elem_at(src, id, border_mode, constant_border_value); + break; + case InterpolationPolicy::BILINEAR: + (valid_bilinear_policy(x0, y0, width, height, border_mode)) ? dst[element_idx] = bilinear_policy(src, id, x0, y0, border_mode, constant_border_value) : + valid_mask[element_idx] = 0; + break; + case InterpolationPolicy::AREA: + default: + ARM_COMPUTE_ERROR("Interpolation not supported"); + } + } + else + { + if(border_mode == BorderMode::UNDEFINED) + { + valid_mask[element_idx] = 0; + } + else + { + switch(policy) + { + case InterpolationPolicy::NEAREST_NEIGHBOR: + if(border_mode == BorderMode::CONSTANT) + { + dst[element_idx] = constant_border_value; + } + else if(border_mode == BorderMode::REPLICATE) + { + id.set(0, std::max(0, std::min(static_cast(x0), width - 1))); + id.set(1, std::max(0, std::min(static_cast(y0), height - 1))); + dst[element_idx] = src[coord2index(src.shape(), id)]; + } + break; + case InterpolationPolicy::BILINEAR: + dst[element_idx] = bilinear_policy(src, id, x0, y0, border_mode, constant_border_value); + break; + case InterpolationPolicy::AREA: + default: + ARM_COMPUTE_ERROR("Interpolation not supported"); + } + } + } + } + + return dst; +} + +template SimpleTensor warp_affine(const SimpleTensor &src, SimpleTensor &valid_mask, const float *matrix, InterpolationPolicy policy, BorderMode border_mode, + uint8_t constant_border_value); +} // namespace reference +} // namespace validation +} // namespace test +} // namespace arm_compute \ No newline at end of file -- cgit v1.2.1