| /*M/////////////////////////////////////////////////////////////////////////////////////// | |
| // | |
| // IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING. | |
| // | |
| // By downloading, copying, installing or using the software you agree to this license. | |
| // If you do not agree to this license, do not download, install, | |
| // copy or use the software. | |
| // | |
| // | |
| // License Agreement | |
| // For Open Source Computer Vision Library | |
| // | |
| // Copyright (C) 2017, Intel Corporation, all rights reserved. | |
| // Copyright (c) 2016-2017 Fabian David Tschopp, all rights reserved. | |
| // Third party copyrights are property of their respective owners. | |
| // | |
| // Redistribution and use in source and binary forms, with or without modification, | |
| // are permitted provided that the following conditions are met: | |
| // | |
| // * Redistribution's of source code must retain the above copyright notice, | |
| // this list of conditions and the following disclaimer. | |
| // | |
| // * Redistribution's in binary form must reproduce the above copyright notice, | |
| // this list of conditions and the following disclaimer in the documentation | |
| // and/or other materials provided with the distribution. | |
| // | |
| // * The name of the copyright holders may not be used to endorse or promote products | |
| // derived from this software without specific prior written permission. | |
| // | |
| // This software is provided by the copyright holders and contributors "as is" and | |
| // any express or implied warranties, including, but not limited to, the implied | |
| // warranties of merchantability and fitness for a particular purpose are disclaimed. | |
| // In no event shall the Intel Corporation or contributors be liable for any direct, | |
| // indirect, incidental, special, exemplary, or consequential damages | |
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| // loss of use, data, or profits; or business interruption) however caused | |
| // and on any theory of liability, whether in contract, strict liability, | |
| // or tort (including negligence or otherwise) arising in any way out of | |
| // the use of this software, even if advised of the possibility of such damage. | |
| // | |
| //M*/ | |
| __kernel void col2im(const int n, __global const T* data_col, | |
| const int data_col_offset, | |
| const int channels, | |
| const int height, const int width, | |
| const int height_col, const int width_col, | |
| const int coeff_h, const int coeff_w, | |
| __global const T* biasvec, | |
| const int bias_offset, | |
| __global T* data_im, | |
| const int data_im_offset) | |
| { | |
| data_col = data_col + data_col_offset; | |
| biasvec = biasvec + bias_offset; | |
| data_im = data_im + data_im_offset; | |
| int index = get_global_id(0); | |
| if(index < n) | |
| { | |
| T val = 0.f; | |
| int w = index % width + PAD_W; | |
| int h = (index / width) % height + PAD_H; | |
| int c = index / (width * height); | |
| int h_col_start = (h < KERNEL_H) ? 0 : (h - KERNEL_H) / STRIDE_H + 1; | |
| int h_col_end = min(h / STRIDE_H + 1, height_col); | |
| int plane_size_col = height_col * width_col; | |
| int offset = (c * KERNEL_H * KERNEL_W + h * KERNEL_W + w) * plane_size_col; | |
| int w_col_start = (w < KERNEL_W) ? 0 : (w - KERNEL_W) / STRIDE_W + 1; | |
| int w_col_end = min(w / STRIDE_W + 1, width_col); | |
| for (int h_col = h_col_start; h_col < h_col_end; ++h_col) | |
| for (int w_col = w_col_start; w_col < w_col_end; ++w_col) | |
| val += data_col[offset + h_col * coeff_h + w_col * coeff_w]; | |
| data_im[index] = val + biasvec[c]; | |
| } | |
| } | |