| /*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) 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 | |
| // (including, but not limited to, procurement of substitute goods or services; | |
| // 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*/ | |
| #if defined(cl_khr_fp16) | |
| #pragma OPENCL EXTENSION cl_khr_fp16 : enable | |
| #endif | |
| __kernel void prior_box(const int nthreads, | |
| const float stepX, | |
| const float stepY, | |
| __global const float* _offsetsX, | |
| __global const float* _offsetsY, | |
| const int offsetsX_size, | |
| __global const float* _widths, | |
| __global const float* _heights, | |
| const int widths_size, | |
| __global Dtype* dst, | |
| const int _layerHeight, | |
| const int _layerWidth, | |
| const int imgHeight, | |
| const int imgWidth) | |
| { | |
| for (int index = get_global_id(0); index < nthreads; index += get_global_size(0)) | |
| { | |
| int w = index % _layerWidth; | |
| int h = index / _layerWidth; | |
| __global Dtype* outputPtr; | |
| outputPtr = dst + index * 4 * offsetsX_size * widths_size; | |
| float _boxWidth, _boxHeight; | |
| Dtype4 vec; | |
| for (int i = 0; i < widths_size; ++i) | |
| { | |
| _boxWidth = _widths[i]; | |
| _boxHeight = _heights[i]; | |
| for (int j = 0; j < offsetsX_size; ++j) | |
| { | |
| Dtype center_x = (w + _offsetsX[j]) * (Dtype)stepX; | |
| Dtype center_y = (h + _offsetsY[j]) * (Dtype)stepY; | |
| vec.x = (center_x - _boxWidth * 0.5f) / imgWidth; // xmin | |
| vec.y = (center_y - _boxHeight * 0.5f) / imgHeight; // ymin | |
| vec.z = (center_x + _boxWidth * 0.5f) / imgWidth; // xmax | |
| vec.w = (center_y + _boxHeight * 0.5f) / imgHeight; // ymax | |
| vstore4(vec, 0, outputPtr); | |
| outputPtr += 4; | |
| } | |
| } | |
| } | |
| } | |
| __kernel void set_variance(const int nthreads, | |
| const int offset, | |
| const int variance_size, | |
| __global const float* variance, | |
| __global Dtype* dst) | |
| { | |
| for (int index = get_global_id(0); index < nthreads; index += get_global_size(0)) | |
| { | |
| Dtype4 var_vec; | |
| if (variance_size == 1) | |
| var_vec = (Dtype4)(variance[0]); | |
| else | |
| var_vec = convert_T(vload4(0, variance)); | |
| vstore4(var_vec, 0, dst + offset + index * 4); | |
| } | |
| } | |
| __kernel void clip(const int nthreads, | |
| __global Dtype* dst) | |
| { | |
| for (int index = get_global_id(0); index < nthreads; index += get_global_size(0)) | |
| { | |
| Dtype4 vec = vload4(index, dst); | |
| vstore4(clamp(vec, (Dtype)0.0f, (Dtype)1.0f), index, dst); | |
| } | |
| } | |