| <!-- HTML header for doxygen 1.8.15--> |
| <!-- Remember to use version doxygen 1.8.15 +--> |
| <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> |
| <html xmlns="http://www.w3.org/1999/xhtml"> |
| <head> |
| <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> |
| <meta http-equiv="X-UA-Compatible" content="IE=9"/> |
| <meta name="generator" content="Doxygen 1.8.15"/> |
| <meta name="robots" content="NOINDEX, NOFOLLOW" /> <!-- Prevent indexing by search engines --> |
| <title>Compute Library: src/core/CL/cl_kernels/sobel_filter.cl Source File</title> |
| <link href="tabs.css" rel="stylesheet" type="text/css"/> |
| <script type="text/javascript" src="jquery.js"></script> |
| <script type="text/javascript" src="dynsections.js"></script> |
| <link href="navtree.css" rel="stylesheet" type="text/css"/> |
| <script type="text/javascript" src="resize.js"></script> |
| <script type="text/javascript" src="navtreedata.js"></script> |
| <script type="text/javascript" src="navtree.js"></script> |
| <script type="text/javascript"> |
| /* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */ |
| $(document).ready(initResizable); |
| /* @license-end */</script> |
| <link href="search/search.css" rel="stylesheet" type="text/css"/> |
| <script type="text/javascript" src="search/searchdata.js"></script> |
| <script type="text/javascript" src="search/search.js"></script> |
| <script type="text/x-mathjax-config"> |
| MathJax.Hub.Config({ |
| extensions: ["tex2jax.js"], |
| jax: ["input/TeX","output/HTML-CSS"], |
| }); |
| </script><script type="text/javascript" async="async" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js"></script> |
| <link href="doxygen.css" rel="stylesheet" type="text/css" /> |
| <link href="stylesheet.css" rel="stylesheet" type="text/css"/> |
| </head> |
| <body> |
| <div id="top"><!-- do not remove this div, it is closed by doxygen! --> |
| <div id="titlearea"> |
| <table cellspacing="0" cellpadding="0"> |
| <tbody> |
| <tr style="height: 56px;"> |
| <img alt="Compute Library" src="https://raw.githubusercontent.com/ARM-software/ComputeLibrary/gh-pages/ACL_logo.png" style="max-width: 100%;margin-top: 15px;margin-left: 10px"/> |
| <td style="padding-left: 0.5em;"> |
| <div id="projectname"> |
|  <span id="projectnumber">20.02.1</span> |
| </div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </div> |
| <!-- end header part --> |
| <!-- Generated by Doxygen 1.8.15 --> |
| <script type="text/javascript"> |
| /* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */ |
| var searchBox = new SearchBox("searchBox", "search",false,'Search'); |
| /* @license-end */ |
| </script> |
| <script type="text/javascript" src="menudata.js"></script> |
| <script type="text/javascript" src="menu.js"></script> |
| <script type="text/javascript"> |
| /* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */ |
| $(function() { |
| initMenu('',true,false,'search.php','Search'); |
| $(document).ready(function() { init_search(); }); |
| }); |
| /* @license-end */</script> |
| <div id="main-nav"></div> |
| </div><!-- top --> |
| <div id="side-nav" class="ui-resizable side-nav-resizable"> |
| <div id="nav-tree"> |
| <div id="nav-tree-contents"> |
| <div id="nav-sync" class="sync"></div> |
| </div> |
| </div> |
| <div id="splitbar" style="-moz-user-select:none;" |
| class="ui-resizable-handle"> |
| </div> |
| </div> |
| <script type="text/javascript"> |
| /* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */ |
| $(document).ready(function(){initNavTree('sobel__filter_8cl_source.xhtml','');}); |
| /* @license-end */ |
| </script> |
| <div id="doc-content"> |
| <!-- window showing the filter options --> |
| <div id="MSearchSelectWindow" |
| onmouseover="return searchBox.OnSearchSelectShow()" |
| onmouseout="return searchBox.OnSearchSelectHide()" |
| onkeydown="return searchBox.OnSearchSelectKey(event)"> |
| </div> |
| |
| <!-- iframe showing the search results (closed by default) --> |
| <div id="MSearchResultsWindow"> |
| <iframe src="javascript:void(0)" frameborder="0" |
| name="MSearchResults" id="MSearchResults"> |
| </iframe> |
| </div> |
| |
| <div class="header"> |
| <div class="headertitle"> |
| <div class="title">sobel_filter.cl</div> </div> |
| </div><!--header--> |
| <div class="contents"> |
| <a href="sobel__filter_8cl.xhtml">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * Copyright (c) 2016, 2017 ARM Limited.</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> *</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * SPDX-License-Identifier: MIT</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> *</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * Permission is hereby granted, free of charge, to any person obtaining a copy</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * of this software and associated documentation files (the "Software"), to</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * deal in the Software without restriction, including without limitation the</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * sell copies of the Software, and to permit persons to whom the Software is</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * furnished to do so, subject to the following conditions:</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> *</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * The above copyright notice and this permission notice shall be included in all</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * copies or substantial portions of the Software.</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> *</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment"> * SOFTWARE.</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment"> */</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include "<a class="code" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml">helpers.h</a>"</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> </div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment">/***********************************************/</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment">/* Begin implementation of Sobel3x3 filter */</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment">/***********************************************/</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment"></span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment">/** This OpenCL kernel that computes a Sobel3x3 filter.</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment"> *</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment"> * @attention To enable computation of the X gradient -DGRAD_X must be passed at compile time, while computation of the Y gradient</span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="comment"> * is performed when -DGRAD_Y is used. You can use both when computation of both gradients is required.</span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="comment"> *</span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="comment"> * @param[in] src_ptr Pointer to the source image. Supported data types: U8</span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="comment"> * @param[in] src_stride_x Stride of the source image in X dimension (in bytes)</span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="comment"> * @param[in] src_step_x src_stride_x * number of elements along X processed per workitem(in bytes)</span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment"> * @param[in] src_stride_y Stride of the source image in Y dimension (in bytes)</span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment"> * @param[in] src_step_y src_stride_y * number of elements along Y processed per workitem(in bytes)</span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="comment"> * @param[in] src_offset_first_element_in_bytes The offset of the first element in the source image</span></div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="comment"> * @param[out] dst_gx_ptr Pointer to the destination image. Supported data types: S16</span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="comment"> * @param[in] dst_gx_stride_x Stride of the destination image in X dimension (in bytes)</span></div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="comment"> * @param[in] dst_gx_step_x dst_gx_stride_x * number of elements along X processed per workitem(in bytes)</span></div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="comment"> * @param[in] dst_gx_stride_y Stride of the destination image in Y dimension (in bytes)</span></div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="comment"> * @param[in] dst_gx_step_y dst_gx_stride_y * number of elements along Y processed per workitem(in bytes)</span></div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="comment"> * @param[in] dst_gx_offset_first_element_in_bytes The offset of the first element in the destination image</span></div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="comment"> * @param[out] dst_gy_ptr Pointer to the destination image. Supported data types: S16</span></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="comment"> * @param[in] dst_gy_stride_x Stride of the destination image in X dimension (in bytes)</span></div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="comment"> * @param[in] dst_gy_step_x dst_gy_stride_x * number of elements along X processed per workitem(in bytes)</span></div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="comment"> * @param[in] dst_gy_stride_y Stride of the destination image in Y dimension (in bytes)</span></div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="comment"> * @param[in] dst_gy_step_y dst_gy_stride_y * number of elements along Y processed per workitem(in bytes)</span></div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="comment"> * @param[in] dst_gy_offset_first_element_in_bytes The offset of the first element in the destination image</span></div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="comment"> */</span></div><div class="line"><a name="l00054"></a><span class="lineno"><a class="line" href="sobel__filter_8cl.xhtml#ad48e3b9dda20b039199eaea842350975"> 54</a></span> __kernel <span class="keywordtype">void</span> <a class="code" href="sobel__filter_8cl.xhtml#ad48e3b9dda20b039199eaea842350975">sobel3x3</a>(</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <a class="code" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#a22f42fcf2077d951271df83b55c1a71a">IMAGE_DECLARATION</a>(<a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#a989ab3e96426615bb98e04e0235088ca">src</a>)</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> #ifdef GRAD_X</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  ,</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <a class="code" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#a22f42fcf2077d951271df83b55c1a71a">IMAGE_DECLARATION</a>(dst_gx)</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> #endif <span class="comment">/* GRAD_X */</span></div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> #ifdef GRAD_Y</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  ,</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <a class="code" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#a22f42fcf2077d951271df83b55c1a71a">IMAGE_DECLARATION</a>(dst_gy)</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span> #endif <span class="comment">/* GRAD_Y */</span></div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> )</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span> {</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <a class="code" href="struct_image.xhtml">Image</a> <a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#a989ab3e96426615bb98e04e0235088ca">src</a> = <a class="code" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(<a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#a989ab3e96426615bb98e04e0235088ca">src</a>);</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="preprocessor">#ifdef GRAD_X</span></div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <a class="code" href="struct_image.xhtml">Image</a> dst_gx = <a class="code" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(dst_gx);</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="preprocessor">#endif </span><span class="comment">/* GRAD_X */</span><span class="preprocessor"></span></div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="preprocessor">#ifdef GRAD_Y</span></div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <a class="code" href="struct_image.xhtml">Image</a> dst_gy = <a class="code" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(dst_gy);</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="preprocessor">#endif </span><span class="comment">/* GRAD_Y */</span><span class="preprocessor"></span></div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span> </div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="comment">// Output pixels</span></div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="preprocessor">#ifdef GRAD_X</span></div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  short8 gx = (short8)0;</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="preprocessor">#endif </span><span class="comment">/* GRAD_X */</span><span class="preprocessor"></span></div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="preprocessor">#ifdef GRAD_Y</span></div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  short8 gy = (short8)0;</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span> <span class="preprocessor">#endif </span><span class="comment">/* GRAD_Y */</span><span class="preprocessor"></span></div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span> </div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="comment">// Row0</span></div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  uchar16 temp = vload16(0, <a class="code" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(&<a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#a989ab3e96426615bb98e04e0235088ca">src</a>, -1, -1));</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  short8 left = convert_short8(temp.s01234567);</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  short8 middle = convert_short8(temp.s12345678);</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  short8 right = convert_short8(temp.s23456789);</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span> <span class="preprocessor">#ifdef GRAD_X</span></div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  gx += left * (short8)(-1);</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  gx += right * (short8)(+1);</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span> <span class="preprocessor">#endif </span><span class="comment">/* GRAD_X */</span><span class="preprocessor"></span></div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span> <span class="preprocessor">#ifdef GRAD_Y</span></div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  gy += left * (short8)(-1);</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  gy += middle * (short8)(-2);</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  gy += right * (short8)(-1);</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span> <span class="preprocessor">#endif </span><span class="comment">/* GRAD_Y */</span><span class="preprocessor"></span></div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span> </div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="comment">// Row1</span></div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  temp = vload16(0, <a class="code" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(&<a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#a989ab3e96426615bb98e04e0235088ca">src</a>, -1, 0));</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  left = convert_short8(temp.s01234567);</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  right = convert_short8(temp.s23456789);</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span> <span class="preprocessor">#ifdef GRAD_X</span></div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  gx += left * (short8)(-2);</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  gx += right * (short8)(+2);</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span> <span class="preprocessor">#endif </span><span class="comment">/* GRAD_X */</span><span class="preprocessor"></span></div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span> </div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="comment">// Row2</span></div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  temp = vload16(0, <a class="code" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(&<a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#a989ab3e96426615bb98e04e0235088ca">src</a>, -1, 1));</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  left = convert_short8(temp.s01234567);</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  middle = convert_short8(temp.s12345678);</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  right = convert_short8(temp.s23456789);</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span> <span class="preprocessor">#ifdef GRAD_X</span></div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  gx += left * (short8)(-1);</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  gx += right * (short8)(+1);</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span> <span class="preprocessor">#endif </span><span class="comment">/* GRAD_X */</span><span class="preprocessor"></span></div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span> <span class="preprocessor">#ifdef GRAD_Y</span></div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  gy += left * (short8)(+1);</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  gy += middle * (short8)(+2);</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  gy += right * (short8)(+1);</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span> <span class="preprocessor">#endif </span><span class="comment">/* GRAD_Y */</span><span class="preprocessor"></span></div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span> </div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="comment">// Store results</span></div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span> <span class="preprocessor">#ifdef GRAD_X</span></div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  vstore8(gx, 0, ((__global <span class="keywordtype">short</span> *)dst_gx.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>));</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span> <span class="preprocessor">#endif </span><span class="comment">/* GRAD_X */</span><span class="preprocessor"></span></div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span> <span class="preprocessor">#ifdef GRAD_Y</span></div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  vstore8(gy, 0, ((__global <span class="keywordtype">short</span> *)dst_gy.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>));</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span> <span class="preprocessor">#endif </span><span class="comment">/* GRAD_Y */</span><span class="preprocessor"></span></div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span> }</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span> </div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span> <span class="comment">/**********************************************/</span></div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span> <span class="comment">/* End implementation of Sobel3x3 filter */</span></div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span> <span class="comment">/**********************************************/</span></div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span> </div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span> <span class="comment">/***********************************************/</span></div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span> <span class="comment">/* Begin implementation of Sobel5x5 filter */</span></div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span> <span class="comment">/***********************************************/</span></div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span> <span class="comment"></span></div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span> <span class="comment">/** Compute a 1D horizontal sobel filter 1x5 for 8 bytes assuming the input is made of 1 channel of 1 byte (i.e 8 pixels).</span></div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span> <span class="comment"> *</span></div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span> <span class="comment"> * @param[in] src Pointer to source image.</span></div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span> <span class="comment"> * @param[in] left1_coeff_gx Weight of the most left pixel for gx</span></div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span> <span class="comment"> * @param[in] left2_coeff_gx Weight of the left pixel for gx</span></div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span> <span class="comment"> * @param[in] middle_coeff_gx Weight of the middle pixel for gx</span></div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span> <span class="comment"> * @param[in] right1_coeff_gx Weight of the right pixel for gx</span></div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span> <span class="comment"> * @param[in] right2_coeff_gx Weight of the most right pixel for gx</span></div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span> <span class="comment"> * @param[in] left1_coeff_gy Weight of the most left pixel for gy</span></div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span> <span class="comment"> * @param[in] left2_coeff_gy Weight of the left pixel for gy</span></div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span> <span class="comment"> * @param[in] middle_coeff_gy Weight of the middle pixel for gy</span></div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span> <span class="comment"> * @param[in] right1_coeff_gy Weight of the right pixel for gy</span></div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span> <span class="comment"> * @param[in] right2_coeff_gy Weight of the most right pixel for gy</span></div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span> <span class="comment"> *</span></div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span> <span class="comment"> * @return a short16 containing short8 gx and short8 gy values.</span></div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span> <span class="comment"> */</span></div><div class="line"><a name="l00154"></a><span class="lineno"><a class="line" href="sobel__filter_8cl.xhtml#a4fac2cb52458aa4666af5b521d2a3910"> 154</a></span> short16 <a class="code" href="sobel__filter_8cl.xhtml#a4fac2cb52458aa4666af5b521d2a3910">sobel1x5</a>(</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <a class="code" href="struct_image.xhtml">Image</a> *<a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#a989ab3e96426615bb98e04e0235088ca">src</a>,</div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="keyword">const</span> <span class="keywordtype">short</span> left1_coeff_gx,</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="keyword">const</span> <span class="keywordtype">short</span> left2_coeff_gx,</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="keyword">const</span> <span class="keywordtype">short</span> middle_coeff_gx,</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keyword">const</span> <span class="keywordtype">short</span> right1_coeff_gx,</div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="keyword">const</span> <span class="keywordtype">short</span> right2_coeff_gx,</div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keyword">const</span> <span class="keywordtype">short</span> left1_coeff_gy,</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="keyword">const</span> <span class="keywordtype">short</span> left2_coeff_gy,</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keyword">const</span> <span class="keywordtype">short</span> middle_coeff_gy,</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keyword">const</span> <span class="keywordtype">short</span> right1_coeff_gy,</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keyword">const</span> <span class="keywordtype">short</span> right2_coeff_gy)</div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span> {</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  uchar16 temp = vload16(0, <a class="code" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(<a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#a989ab3e96426615bb98e04e0235088ca">src</a>, -2, 0));</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  short8 gx = 0;</div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  short8 gy = 0;</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  short8 val;</div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span> </div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  val = convert_short8(temp.s01234567);</div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  gx += val * (short8)left1_coeff_gx;</div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  gy += val * (short8)left1_coeff_gy;</div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span> </div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  val = convert_short8(temp.s12345678);</div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  gx += val * (short8)left2_coeff_gx;</div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  gy += val * (short8)left2_coeff_gy;</div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span> </div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  val = convert_short8(temp.s23456789);</div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  gx += val * (short8)middle_coeff_gx;</div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  gy += val * (short8)middle_coeff_gy;</div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span> </div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  val = convert_short8(temp.s3456789a);</div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  gx += val * (short8)right1_coeff_gx;</div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  gy += val * (short8)right1_coeff_gy;</div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span> </div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  val = convert_short8(temp.s456789ab);</div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  gx += val * (short8)right2_coeff_gx;</div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  gy += val * (short8)right2_coeff_gy;</div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span> </div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <span class="keywordflow">return</span> (short16)(gx, gy);</div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span> }</div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span> <span class="comment"></span></div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span> <span class="comment">/** Compute a 1D vertical sobel filter 5x1 for 8 bytes assuming the input is made of 1 channel of 1 byte (i.e 8 pixels).</span></div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span> <span class="comment"> *</span></div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span> <span class="comment"> * @param[in] src Pointer to source image.</span></div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span> <span class="comment"> * @param[in] up1_coeff Weight of the most up pixel</span></div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span> <span class="comment"> * @param[in] up2_coeff Weight of the up pixel</span></div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span> <span class="comment"> * @param[in] middle_coeff Weight of the middle pixel</span></div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span> <span class="comment"> * @param[in] down1_coeff Weight of the down pixel</span></div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span> <span class="comment"> * @param[in] down2_coeff Weight of the most down pixel</span></div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span> <span class="comment"> *</span></div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span> <span class="comment"> * @return a short8 containing 8 convoluted values.</span></div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span> <span class="comment"> */</span></div><div class="line"><a name="l00206"></a><span class="lineno"><a class="line" href="sobel__filter_8cl.xhtml#a1cfe58175749124762fe0dea315d3c21"> 206</a></span> short8 <a class="code" href="sobel__filter_8cl.xhtml#a1cfe58175749124762fe0dea315d3c21">sobel5x1</a>(</div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <a class="code" href="struct_image.xhtml">Image</a> *<a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#a989ab3e96426615bb98e04e0235088ca">src</a>,</div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <span class="keyword">const</span> <span class="keywordtype">short</span> up1_coeff,</div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="keyword">const</span> <span class="keywordtype">short</span> up2_coeff,</div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <span class="keyword">const</span> <span class="keywordtype">short</span> middle_coeff,</div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <span class="keyword">const</span> <span class="keywordtype">short</span> down1_coeff,</div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <span class="keyword">const</span> <span class="keywordtype">short</span> down2_coeff)</div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span> {</div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  short8 val;</div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  short8 out = (short8)0;</div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span> </div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  val = vload8(0, (__global <span class="keywordtype">short</span> *)<a class="code" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(<a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#a989ab3e96426615bb98e04e0235088ca">src</a>, 0, -2));</div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  out += val * (short8)up1_coeff;</div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span> </div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  val = vload8(0, (__global <span class="keywordtype">short</span> *)<a class="code" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(<a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#a989ab3e96426615bb98e04e0235088ca">src</a>, 0, -1));</div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  out += val * (short8)up2_coeff;</div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span> </div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  val = vload8(0, (__global <span class="keywordtype">short</span> *)<a class="code" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(<a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#a989ab3e96426615bb98e04e0235088ca">src</a>, 0, 0));</div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  out += val * (short8)middle_coeff;</div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span> </div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  val = vload8(0, (__global <span class="keywordtype">short</span> *)<a class="code" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(<a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#a989ab3e96426615bb98e04e0235088ca">src</a>, 0, 1));</div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  out += val * (short8)down1_coeff;</div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span> </div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  val = vload8(0, (__global <span class="keywordtype">short</span> *)<a class="code" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(<a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#a989ab3e96426615bb98e04e0235088ca">src</a>, 0, 2));</div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  out += val * (short8)down2_coeff;</div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span> </div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <span class="keywordflow">return</span> (short8)(out);</div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span> }</div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span> <span class="comment"></span></div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span> <span class="comment">/** Apply a 1x5 sobel matrix to a single channel U8 input image and output two temporary channel S16 images.</span></div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span> <span class="comment"> *</span></div><div class="line"><a name="l00237"></a><span class="lineno"> 237</span> <span class="comment"> * @attention To enable computation of the X gradient -DGRAD_X must be passed at compile time, while computation of the Y gradient</span></div><div class="line"><a name="l00238"></a><span class="lineno"> 238</span> <span class="comment"> * is performed when -DGRAD_Y is used. You can use both when computation of both gradients is required.</span></div><div class="line"><a name="l00239"></a><span class="lineno"> 239</span> <span class="comment"> *</span></div><div class="line"><a name="l00240"></a><span class="lineno"> 240</span> <span class="comment"> * @param[in] src_ptr Pointer to the source image.. Supported data types: U8</span></div><div class="line"><a name="l00241"></a><span class="lineno"> 241</span> <span class="comment"> * @param[in] src_stride_x Stride of the source image in X dimension (in bytes)</span></div><div class="line"><a name="l00242"></a><span class="lineno"> 242</span> <span class="comment"> * @param[in] src_step_x src_stride_x * number of elements along X processed per workitem(in bytes)</span></div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span> <span class="comment"> * @param[in] src_stride_y Stride of the source image in Y dimension (in bytes)</span></div><div class="line"><a name="l00244"></a><span class="lineno"> 244</span> <span class="comment"> * @param[in] src_step_y src_stride_y * number of elements along Y processed per workitem(in bytes)</span></div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span> <span class="comment"> * @param[in] src_offset_first_element_in_bytes The offset of the first element in the source image</span></div><div class="line"><a name="l00246"></a><span class="lineno"> 246</span> <span class="comment"> * @param[out] dst_gx_ptr Pointer to the destination image.. Supported data types: S16</span></div><div class="line"><a name="l00247"></a><span class="lineno"> 247</span> <span class="comment"> * @param[in] dst_gx_stride_x Stride of the destination image in X dimension (in bytes)</span></div><div class="line"><a name="l00248"></a><span class="lineno"> 248</span> <span class="comment"> * @param[in] dst_gx_step_x dst_gx_stride_x * number of elements along X processed per workitem(in bytes)</span></div><div class="line"><a name="l00249"></a><span class="lineno"> 249</span> <span class="comment"> * @param[in] dst_gx_stride_y Stride of the destination image in Y dimension (in bytes)</span></div><div class="line"><a name="l00250"></a><span class="lineno"> 250</span> <span class="comment"> * @param[in] dst_gx_step_y dst_gx_stride_y * number of elements along Y processed per workitem(in bytes)</span></div><div class="line"><a name="l00251"></a><span class="lineno"> 251</span> <span class="comment"> * @param[in] dst_gx_offset_first_element_in_bytes The offset of the first element in the destination image</span></div><div class="line"><a name="l00252"></a><span class="lineno"> 252</span> <span class="comment"> * @param[out] dst_gy_ptr Pointer to the destination image. Supported data types: S16</span></div><div class="line"><a name="l00253"></a><span class="lineno"> 253</span> <span class="comment"> * @param[in] dst_gy_stride_x Stride of the destination image in X dimension (in bytes)</span></div><div class="line"><a name="l00254"></a><span class="lineno"> 254</span> <span class="comment"> * @param[in] dst_gy_step_x dst_gy_stride_x * number of elements along X processed per workitem(in bytes)</span></div><div class="line"><a name="l00255"></a><span class="lineno"> 255</span> <span class="comment"> * @param[in] dst_gy_stride_y Stride of the destination image in Y dimension (in bytes)</span></div><div class="line"><a name="l00256"></a><span class="lineno"> 256</span> <span class="comment"> * @param[in] dst_gy_step_y dst_gy_stride_y * number of elements along Y processed per workitem(in bytes)</span></div><div class="line"><a name="l00257"></a><span class="lineno"> 257</span> <span class="comment"> * @param[in] dst_gy_offset_first_element_in_bytes The offset of the first element in the destination image</span></div><div class="line"><a name="l00258"></a><span class="lineno"> 258</span> <span class="comment"> */</span></div><div class="line"><a name="l00259"></a><span class="lineno"><a class="line" href="sobel__filter_8cl.xhtml#a7a74e414f0e90638939a7a0506576625"> 259</a></span> __kernel <span class="keywordtype">void</span> <a class="code" href="sobel__filter_8cl.xhtml#a7a74e414f0e90638939a7a0506576625">sobel_separable1x5</a>(</div><div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  <a class="code" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#a22f42fcf2077d951271df83b55c1a71a">IMAGE_DECLARATION</a>(<a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#a989ab3e96426615bb98e04e0235088ca">src</a>)</div><div class="line"><a name="l00261"></a><span class="lineno"> 261</span> #ifdef GRAD_X</div><div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  ,</div><div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  <a class="code" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#a22f42fcf2077d951271df83b55c1a71a">IMAGE_DECLARATION</a>(dst_gx)</div><div class="line"><a name="l00264"></a><span class="lineno"> 264</span> #endif <span class="comment">/* GRAD_X */</span></div><div class="line"><a name="l00265"></a><span class="lineno"> 265</span> #ifdef GRAD_Y</div><div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  ,</div><div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  <a class="code" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#a22f42fcf2077d951271df83b55c1a71a">IMAGE_DECLARATION</a>(dst_gy)</div><div class="line"><a name="l00268"></a><span class="lineno"> 268</span> #endif <span class="comment">/* GRAD_Y */</span></div><div class="line"><a name="l00269"></a><span class="lineno"> 269</span> )</div><div class="line"><a name="l00270"></a><span class="lineno"> 270</span> {</div><div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  <a class="code" href="struct_image.xhtml">Image</a> <a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#a989ab3e96426615bb98e04e0235088ca">src</a> = <a class="code" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(<a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#a989ab3e96426615bb98e04e0235088ca">src</a>);</div><div class="line"><a name="l00272"></a><span class="lineno"> 272</span> <span class="preprocessor">#ifdef GRAD_X</span></div><div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  <a class="code" href="struct_image.xhtml">Image</a> dst_gx = <a class="code" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(dst_gx);</div><div class="line"><a name="l00274"></a><span class="lineno"> 274</span> <span class="preprocessor">#endif </span><span class="comment">/* GRAD_X */</span><span class="preprocessor"></span></div><div class="line"><a name="l00275"></a><span class="lineno"> 275</span> <span class="preprocessor">#ifdef GRAD_Y</span></div><div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  <a class="code" href="struct_image.xhtml">Image</a> dst_gy = <a class="code" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(dst_gy);</div><div class="line"><a name="l00277"></a><span class="lineno"> 277</span> <span class="preprocessor">#endif </span><span class="comment">/* GRAD_Y */</span><span class="preprocessor"></span></div><div class="line"><a name="l00278"></a><span class="lineno"> 278</span> </div><div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  <span class="comment">// Output pixels</span></div><div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  short16 gx_gy = <a class="code" href="sobel__filter_8cl.xhtml#a4fac2cb52458aa4666af5b521d2a3910">sobel1x5</a>(&<a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#a989ab3e96426615bb98e04e0235088ca">src</a>,</div><div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  -1, -2, 0, 2, 1,</div><div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  1, 4, 6, 4, 1);</div><div class="line"><a name="l00283"></a><span class="lineno"> 283</span> </div><div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  <span class="comment">// Store result in dst</span></div><div class="line"><a name="l00285"></a><span class="lineno"> 285</span> <span class="preprocessor">#ifdef GRAD_X</span></div><div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  vstore8(gx_gy.s01234567, 0, ((__global <span class="keywordtype">short</span> *)dst_gx.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>));</div><div class="line"><a name="l00287"></a><span class="lineno"> 287</span> <span class="preprocessor">#endif </span><span class="comment">/* GRAD_X */</span><span class="preprocessor"></span></div><div class="line"><a name="l00288"></a><span class="lineno"> 288</span> <span class="preprocessor">#ifdef GRAD_Y</span></div><div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  vstore8(gx_gy.s89ABCDEF, 0, ((__global <span class="keywordtype">short</span> *)dst_gy.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>));</div><div class="line"><a name="l00290"></a><span class="lineno"> 290</span> <span class="preprocessor">#endif </span><span class="comment">/* GRAD_Y */</span><span class="preprocessor"></span></div><div class="line"><a name="l00291"></a><span class="lineno"> 291</span> }</div><div class="line"><a name="l00292"></a><span class="lineno"> 292</span> <span class="comment"></span></div><div class="line"><a name="l00293"></a><span class="lineno"> 293</span> <span class="comment">/** Apply a 5x1 convolution matrix to two single channel S16 input temporary images</span></div><div class="line"><a name="l00294"></a><span class="lineno"> 294</span> <span class="comment"> * and output two single channel S16 images.</span></div><div class="line"><a name="l00295"></a><span class="lineno"> 295</span> <span class="comment"> *</span></div><div class="line"><a name="l00296"></a><span class="lineno"> 296</span> <span class="comment"> * @attention To enable computation of the X gradient -DGRAD_X must be passed at compile time, while computation of the Y gradient</span></div><div class="line"><a name="l00297"></a><span class="lineno"> 297</span> <span class="comment"> * is performed when -DGRAD_Y is used. You can use both when computation of both gradients is required.</span></div><div class="line"><a name="l00298"></a><span class="lineno"> 298</span> <span class="comment"> *</span></div><div class="line"><a name="l00299"></a><span class="lineno"> 299</span> <span class="comment"> * @param[in] src_x_ptr Pointer to the source image.. Supported data types: S16</span></div><div class="line"><a name="l00300"></a><span class="lineno"> 300</span> <span class="comment"> * @param[in] src_x_stride_x Stride of the source image in X dimension (in bytes)</span></div><div class="line"><a name="l00301"></a><span class="lineno"> 301</span> <span class="comment"> * @param[in] src_x_step_x src_x_stride_x * number of elements along X processed per workitem(in bytes)</span></div><div class="line"><a name="l00302"></a><span class="lineno"> 302</span> <span class="comment"> * @param[in] src_x_stride_y Stride of the source image in Y dimension (in bytes)</span></div><div class="line"><a name="l00303"></a><span class="lineno"> 303</span> <span class="comment"> * @param[in] src_x_step_y src_x_stride_y * number of elements along Y processed per workitem(in bytes)</span></div><div class="line"><a name="l00304"></a><span class="lineno"> 304</span> <span class="comment"> * @param[in] src_x_offset_first_element_in_bytes The offset of the first element in the source image</span></div><div class="line"><a name="l00305"></a><span class="lineno"> 305</span> <span class="comment"> * @param[out] dst_gx_ptr Pointer to the destination image. Supported data types: S16</span></div><div class="line"><a name="l00306"></a><span class="lineno"> 306</span> <span class="comment"> * @param[in] dst_gx_stride_x Stride of the destination image in X dimension (in bytes)</span></div><div class="line"><a name="l00307"></a><span class="lineno"> 307</span> <span class="comment"> * @param[in] dst_gx_step_x dst_gx_stride_x * number of elements along X processed per workitem(in bytes)</span></div><div class="line"><a name="l00308"></a><span class="lineno"> 308</span> <span class="comment"> * @param[in] dst_gx_stride_y Stride of the destination image in Y dimension (in bytes)</span></div><div class="line"><a name="l00309"></a><span class="lineno"> 309</span> <span class="comment"> * @param[in] dst_gx_step_y dst_gx_stride_y * number of elements along Y processed per workitem(in bytes)</span></div><div class="line"><a name="l00310"></a><span class="lineno"> 310</span> <span class="comment"> * @param[in] dst_gx_offset_first_element_in_bytes The offset of the first element in the destination image</span></div><div class="line"><a name="l00311"></a><span class="lineno"> 311</span> <span class="comment"> * @param[in] src_y_ptr Pointer to the source image. Supported data types: S16</span></div><div class="line"><a name="l00312"></a><span class="lineno"> 312</span> <span class="comment"> * @param[in] src_y_stride_x Stride of the source image in X dimension (in bytes)</span></div><div class="line"><a name="l00313"></a><span class="lineno"> 313</span> <span class="comment"> * @param[in] src_y_step_x src_y_stride_x * number of elements along X processed per workitem(in bytes)</span></div><div class="line"><a name="l00314"></a><span class="lineno"> 314</span> <span class="comment"> * @param[in] src_y_stride_y Stride of the source image in Y dimension (in bytes)</span></div><div class="line"><a name="l00315"></a><span class="lineno"> 315</span> <span class="comment"> * @param[in] src_y_step_y src_y_stride_y * number of elements along Y processed per workitem(in bytes)</span></div><div class="line"><a name="l00316"></a><span class="lineno"> 316</span> <span class="comment"> * @param[in] src_y_offset_first_element_in_bytes The offset of the first element in the source image</span></div><div class="line"><a name="l00317"></a><span class="lineno"> 317</span> <span class="comment"> * @param[out] dst_gy_ptr Pointer to the destination image. Supported data types: S16</span></div><div class="line"><a name="l00318"></a><span class="lineno"> 318</span> <span class="comment"> * @param[in] dst_gy_stride_x Stride of the destination image in X dimension (in bytes)</span></div><div class="line"><a name="l00319"></a><span class="lineno"> 319</span> <span class="comment"> * @param[in] dst_gy_step_x dst_gy_stride_x * number of elements along X processed per workitem(in bytes)</span></div><div class="line"><a name="l00320"></a><span class="lineno"> 320</span> <span class="comment"> * @param[in] dst_gy_stride_y Stride of the destination image in Y dimension (in bytes)</span></div><div class="line"><a name="l00321"></a><span class="lineno"> 321</span> <span class="comment"> * @param[in] dst_gy_step_y dst_gy_stride_y * number of elements along Y processed per workitem(in bytes)</span></div><div class="line"><a name="l00322"></a><span class="lineno"> 322</span> <span class="comment"> * @param[in] dst_gy_offset_first_element_in_bytes The offset of the first element in the destination image</span></div><div class="line"><a name="l00323"></a><span class="lineno"> 323</span> <span class="comment"> * @param[in] dummy Dummy parameter to easy conditional inclusion</span></div><div class="line"><a name="l00324"></a><span class="lineno"> 324</span> <span class="comment"> */</span></div><div class="line"><a name="l00325"></a><span class="lineno"><a class="line" href="sobel__filter_8cl.xhtml#a2cc1fcdd12f2c3cdd31b83fd59597e40"> 325</a></span> __kernel <span class="keywordtype">void</span> <a class="code" href="sobel__filter_8cl.xhtml#a2cc1fcdd12f2c3cdd31b83fd59597e40">sobel_separable5x1</a>(</div><div class="line"><a name="l00326"></a><span class="lineno"> 326</span> #ifdef GRAD_X</div><div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  <a class="code" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#a22f42fcf2077d951271df83b55c1a71a">IMAGE_DECLARATION</a>(src_x),</div><div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  <a class="code" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#a22f42fcf2077d951271df83b55c1a71a">IMAGE_DECLARATION</a>(dst_gx),</div><div class="line"><a name="l00329"></a><span class="lineno"> 329</span> #endif <span class="comment">/* GRAD_X */</span></div><div class="line"><a name="l00330"></a><span class="lineno"> 330</span> #ifdef GRAD_Y</div><div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  <a class="code" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#a22f42fcf2077d951271df83b55c1a71a">IMAGE_DECLARATION</a>(src_y),</div><div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  <a class="code" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#a22f42fcf2077d951271df83b55c1a71a">IMAGE_DECLARATION</a>(dst_gy),</div><div class="line"><a name="l00333"></a><span class="lineno"> 333</span> #endif <span class="comment">/* GRAD_Y */</span></div><div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  <span class="keywordtype">int</span> dummy)</div><div class="line"><a name="l00335"></a><span class="lineno"> 335</span> {</div><div class="line"><a name="l00336"></a><span class="lineno"> 336</span> <span class="preprocessor">#ifdef GRAD_X</span></div><div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  <a class="code" href="struct_image.xhtml">Image</a> src_x = <a class="code" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(src_x);</div><div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  <a class="code" href="struct_image.xhtml">Image</a> dst_gx = <a class="code" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(dst_gx);</div><div class="line"><a name="l00339"></a><span class="lineno"> 339</span> <span class="preprocessor">#endif </span><span class="comment">/* GRAD_X */</span><span class="preprocessor"></span></div><div class="line"><a name="l00340"></a><span class="lineno"> 340</span> <span class="preprocessor">#ifdef GRAD_Y</span></div><div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  <a class="code" href="struct_image.xhtml">Image</a> src_y = <a class="code" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(src_y);</div><div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  <a class="code" href="struct_image.xhtml">Image</a> dst_gy = <a class="code" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(dst_gy);</div><div class="line"><a name="l00343"></a><span class="lineno"> 343</span> <span class="preprocessor">#endif </span><span class="comment">/* GRAD_Y */</span><span class="preprocessor"></span></div><div class="line"><a name="l00344"></a><span class="lineno"> 344</span> </div><div class="line"><a name="l00345"></a><span class="lineno"> 345</span> <span class="preprocessor">#ifdef GRAD_X</span></div><div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  short8 gx = <a class="code" href="sobel__filter_8cl.xhtml#a1cfe58175749124762fe0dea315d3c21">sobel5x1</a>(&src_x,</div><div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  1, 4, 6, 4, 1);</div><div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  vstore8(gx, 0, ((__global <span class="keywordtype">short</span> *)dst_gx.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>));</div><div class="line"><a name="l00349"></a><span class="lineno"> 349</span> <span class="preprocessor">#endif </span><span class="comment">/* GRAD_X */</span><span class="preprocessor"></span></div><div class="line"><a name="l00350"></a><span class="lineno"> 350</span> <span class="preprocessor">#ifdef GRAD_Y</span></div><div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  short8 gy = <a class="code" href="sobel__filter_8cl.xhtml#a1cfe58175749124762fe0dea315d3c21">sobel5x1</a>(&src_y,</div><div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  -1, -2, 0, 2, 1);</div><div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  vstore8(gy, 0, ((__global <span class="keywordtype">short</span> *)dst_gy.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>));</div><div class="line"><a name="l00354"></a><span class="lineno"> 354</span> <span class="preprocessor">#endif </span><span class="comment">/* GRAD_Y */</span><span class="preprocessor"></span></div><div class="line"><a name="l00355"></a><span class="lineno"> 355</span> }</div><div class="line"><a name="l00356"></a><span class="lineno"> 356</span> </div><div class="line"><a name="l00357"></a><span class="lineno"> 357</span> <span class="comment">/**********************************************/</span></div><div class="line"><a name="l00358"></a><span class="lineno"> 358</span> <span class="comment">/* End implementation of Sobel5x5 filter */</span></div><div class="line"><a name="l00359"></a><span class="lineno"> 359</span> <span class="comment">/**********************************************/</span></div><div class="line"><a name="l00360"></a><span class="lineno"> 360</span> </div><div class="line"><a name="l00361"></a><span class="lineno"> 361</span> <span class="comment">/***********************************************/</span></div><div class="line"><a name="l00362"></a><span class="lineno"> 362</span> <span class="comment">/* Begin implementation of Sobel7x7 filter */</span></div><div class="line"><a name="l00363"></a><span class="lineno"> 363</span> <span class="comment">/***********************************************/</span></div><div class="line"><a name="l00364"></a><span class="lineno"> 364</span> </div><div class="line"><a name="l00365"></a><span class="lineno"> 365</span> <span class="comment">/* Sobel 1x7 horizontal X / 7x1 vertical Y coefficients */</span></div><div class="line"><a name="l00366"></a><span class="lineno"><a class="line" href="sobel__filter_8cl.xhtml#a8476f4a8de2c191433342c9ce896986a"> 366</a></span> <span class="preprocessor">#define X0 -1</span></div><div class="line"><a name="l00367"></a><span class="lineno"><a class="line" href="sobel__filter_8cl.xhtml#a1964818ccd90a6173ea48cecb652feeb"> 367</a></span> <span class="preprocessor">#define X1 -4</span></div><div class="line"><a name="l00368"></a><span class="lineno"><a class="line" href="sobel__filter_8cl.xhtml#a79ae03a0214cb30e57b9e8835f2a0019"> 368</a></span> <span class="preprocessor">#define X2 -5</span></div><div class="line"><a name="l00369"></a><span class="lineno"><a class="line" href="sobel__filter_8cl.xhtml#adb6fd3d004959525c6a684b82ef50860"> 369</a></span> <span class="preprocessor">#define X3 0</span></div><div class="line"><a name="l00370"></a><span class="lineno"><a class="line" href="sobel__filter_8cl.xhtml#a0f79fa7387c308a89a30682d905aa40a"> 370</a></span> <span class="preprocessor">#define X4 5</span></div><div class="line"><a name="l00371"></a><span class="lineno"><a class="line" href="sobel__filter_8cl.xhtml#a921884524c9038883b25f03d3bd1b078"> 371</a></span> <span class="preprocessor">#define X5 4</span></div><div class="line"><a name="l00372"></a><span class="lineno"><a class="line" href="sobel__filter_8cl.xhtml#a0e11bba5150b8ae2a8831f6f4532e352"> 372</a></span> <span class="preprocessor">#define X6 1</span></div><div class="line"><a name="l00373"></a><span class="lineno"> 373</span> </div><div class="line"><a name="l00374"></a><span class="lineno"> 374</span> <span class="comment">/* Sobel 1x7 vertical X / 7x1 horizontal Y coefficients */</span></div><div class="line"><a name="l00375"></a><span class="lineno"><a class="line" href="sobel__filter_8cl.xhtml#a0b0dcdd1ffa302474e907d3d7ad9dbfe"> 375</a></span> <span class="preprocessor">#define Y0 1</span></div><div class="line"><a name="l00376"></a><span class="lineno"><a class="line" href="sobel__filter_8cl.xhtml#a294189cdea31dda8faf609b9b3e2000a"> 376</a></span> <span class="preprocessor">#define Y1 6</span></div><div class="line"><a name="l00377"></a><span class="lineno"><a class="line" href="sobel__filter_8cl.xhtml#a3128cc29e366777d66d8b049451ca8a0"> 377</a></span> <span class="preprocessor">#define Y2 15</span></div><div class="line"><a name="l00378"></a><span class="lineno"><a class="line" href="sobel__filter_8cl.xhtml#a676acf01638364a90adf5d09d2a215bf"> 378</a></span> <span class="preprocessor">#define Y3 20</span></div><div class="line"><a name="l00379"></a><span class="lineno"><a class="line" href="sobel__filter_8cl.xhtml#a5a8e903c2373c4d65724c79cdea8b3d9"> 379</a></span> <span class="preprocessor">#define Y4 15</span></div><div class="line"><a name="l00380"></a><span class="lineno"><a class="line" href="sobel__filter_8cl.xhtml#a770267173956bf918cf3ca1247b6de12"> 380</a></span> <span class="preprocessor">#define Y5 6</span></div><div class="line"><a name="l00381"></a><span class="lineno"><a class="line" href="sobel__filter_8cl.xhtml#abcdba0de8723fe6f2d2eb284d7e98a41"> 381</a></span> <span class="preprocessor">#define Y6 1</span></div><div class="line"><a name="l00382"></a><span class="lineno"> 382</span> </div><div class="line"><a name="l00383"></a><span class="lineno"> 383</span> <span class="comment">/* Calculates single horizontal iteration. */</span></div><div class="line"><a name="l00384"></a><span class="lineno"><a class="line" href="sobel__filter_8cl.xhtml#ad40297671e8a51899c6114386492006b"> 384</a></span> <span class="preprocessor">#define SOBEL1x1_HOR(src, gx, gy, idx) \</span></div><div class="line"><a name="l00385"></a><span class="lineno"> 385</span> <span class="preprocessor"> { \</span></div><div class="line"><a name="l00386"></a><span class="lineno"> 386</span> <span class="preprocessor"> int8 val = convert_int8(vload8(0, offset(src, idx - 3, 0))); \</span></div><div class="line"><a name="l00387"></a><span class="lineno"> 387</span> <span class="preprocessor"> gx += val * X##idx; \</span></div><div class="line"><a name="l00388"></a><span class="lineno"> 388</span> <span class="preprocessor"> gy += val * Y##idx; \</span></div><div class="line"><a name="l00389"></a><span class="lineno"> 389</span> <span class="preprocessor"> }</span></div><div class="line"><a name="l00390"></a><span class="lineno"> 390</span> </div><div class="line"><a name="l00391"></a><span class="lineno"> 391</span> <span class="comment">/* Calculates single vertical iteration. */</span></div><div class="line"><a name="l00392"></a><span class="lineno"><a class="line" href="sobel__filter_8cl.xhtml#a400b86850d6a242a7f48804a097c6403"> 392</a></span> <span class="preprocessor">#define SOBEL1x1_VERT(src, g, direction, idx) \</span></div><div class="line"><a name="l00393"></a><span class="lineno"> 393</span> <span class="preprocessor"> { \</span></div><div class="line"><a name="l00394"></a><span class="lineno"> 394</span> <span class="preprocessor"> int8 val = vload8(0, (__global int *)offset(src, 0, idx - 3)); \</span></div><div class="line"><a name="l00395"></a><span class="lineno"> 395</span> <span class="preprocessor"> g += val * (int8)direction##idx; \</span></div><div class="line"><a name="l00396"></a><span class="lineno"> 396</span> <span class="preprocessor"> }</span></div><div class="line"><a name="l00397"></a><span class="lineno"> 397</span> </div><div class="line"><a name="l00398"></a><span class="lineno"> 398</span> <span class="comment">/* Calculates a 1x7 horizontal iteration. */</span></div><div class="line"><a name="l00399"></a><span class="lineno"><a class="line" href="sobel__filter_8cl.xhtml#a7f602251e0a1f8710f8aab3aef09a36b"> 399</a></span> <span class="preprocessor">#define SOBEL1x7(ptr, gx, gy) \</span></div><div class="line"><a name="l00400"></a><span class="lineno"> 400</span> <span class="preprocessor"> SOBEL1x1_HOR(ptr, gx, gy, 0) \</span></div><div class="line"><a name="l00401"></a><span class="lineno"> 401</span> <span class="preprocessor"> SOBEL1x1_HOR(ptr, gx, gy, 1) \</span></div><div class="line"><a name="l00402"></a><span class="lineno"> 402</span> <span class="preprocessor"> SOBEL1x1_HOR(ptr, gx, gy, 2) \</span></div><div class="line"><a name="l00403"></a><span class="lineno"> 403</span> <span class="preprocessor"> SOBEL1x1_HOR(ptr, gx, gy, 3) \</span></div><div class="line"><a name="l00404"></a><span class="lineno"> 404</span> <span class="preprocessor"> SOBEL1x1_HOR(ptr, gx, gy, 4) \</span></div><div class="line"><a name="l00405"></a><span class="lineno"> 405</span> <span class="preprocessor"> SOBEL1x1_HOR(ptr, gx, gy, 5) \</span></div><div class="line"><a name="l00406"></a><span class="lineno"> 406</span> <span class="preprocessor"> SOBEL1x1_HOR(ptr, gx, gy, 6)</span></div><div class="line"><a name="l00407"></a><span class="lineno"> 407</span> </div><div class="line"><a name="l00408"></a><span class="lineno"> 408</span> <span class="comment">/* Calculates a 7x1 vertical iteration. */</span></div><div class="line"><a name="l00409"></a><span class="lineno"><a class="line" href="sobel__filter_8cl.xhtml#a59f291bf2b268f9b850fa81a3fbf776a"> 409</a></span> <span class="preprocessor">#define SOBEL7x1(ptr, g, direction) \</span></div><div class="line"><a name="l00410"></a><span class="lineno"> 410</span> <span class="preprocessor"> SOBEL1x1_VERT(ptr, g, direction, 0) \</span></div><div class="line"><a name="l00411"></a><span class="lineno"> 411</span> <span class="preprocessor"> SOBEL1x1_VERT(ptr, g, direction, 1) \</span></div><div class="line"><a name="l00412"></a><span class="lineno"> 412</span> <span class="preprocessor"> SOBEL1x1_VERT(ptr, g, direction, 2) \</span></div><div class="line"><a name="l00413"></a><span class="lineno"> 413</span> <span class="preprocessor"> SOBEL1x1_VERT(ptr, g, direction, 3) \</span></div><div class="line"><a name="l00414"></a><span class="lineno"> 414</span> <span class="preprocessor"> SOBEL1x1_VERT(ptr, g, direction, 4) \</span></div><div class="line"><a name="l00415"></a><span class="lineno"> 415</span> <span class="preprocessor"> SOBEL1x1_VERT(ptr, g, direction, 5) \</span></div><div class="line"><a name="l00416"></a><span class="lineno"> 416</span> <span class="preprocessor"> SOBEL1x1_VERT(ptr, g, direction, 6)</span></div><div class="line"><a name="l00417"></a><span class="lineno"> 417</span> <span class="comment"></span></div><div class="line"><a name="l00418"></a><span class="lineno"> 418</span> <span class="comment">/** Apply a 1x7 sobel matrix to a single channel U8 input image and output two temporary channel S16 images and leave the borders undefined.</span></div><div class="line"><a name="l00419"></a><span class="lineno"> 419</span> <span class="comment"> *</span></div><div class="line"><a name="l00420"></a><span class="lineno"> 420</span> <span class="comment"> * @attention To enable computation of the X gradient -DGRAD_X must be passed at compile time, while computation of the Y gradient</span></div><div class="line"><a name="l00421"></a><span class="lineno"> 421</span> <span class="comment"> * is performed when -DGRAD_Y is used. You can use both when computation of both gradients is required.</span></div><div class="line"><a name="l00422"></a><span class="lineno"> 422</span> <span class="comment"> *</span></div><div class="line"><a name="l00423"></a><span class="lineno"> 423</span> <span class="comment"> * @param[in] src_ptr Pointer to the source image. Supported data types: U8</span></div><div class="line"><a name="l00424"></a><span class="lineno"> 424</span> <span class="comment"> * @param[in] src_stride_x Stride of the source image in X dimension (in bytes)</span></div><div class="line"><a name="l00425"></a><span class="lineno"> 425</span> <span class="comment"> * @param[in] src_step_x src_stride_x * number of elements along X processed per workitem(in bytes)</span></div><div class="line"><a name="l00426"></a><span class="lineno"> 426</span> <span class="comment"> * @param[in] src_stride_y Stride of the source image in Y dimension (in bytes)</span></div><div class="line"><a name="l00427"></a><span class="lineno"> 427</span> <span class="comment"> * @param[in] src_step_y src_stride_y * number of elements along Y processed per workitem(in bytes)</span></div><div class="line"><a name="l00428"></a><span class="lineno"> 428</span> <span class="comment"> * @param[in] src_offset_first_element_in_bytes The offset of the first element in the source image</span></div><div class="line"><a name="l00429"></a><span class="lineno"> 429</span> <span class="comment"> * @param[out] dst_gx_ptr Pointer to the destination image. Supported data types: S32</span></div><div class="line"><a name="l00430"></a><span class="lineno"> 430</span> <span class="comment"> * @param[in] dst_gx_stride_x Stride of the destination image in X dimension (in bytes)</span></div><div class="line"><a name="l00431"></a><span class="lineno"> 431</span> <span class="comment"> * @param[in] dst_gx_step_x dst_gx_stride_x * number of elements along X processed per workitem(in bytes)</span></div><div class="line"><a name="l00432"></a><span class="lineno"> 432</span> <span class="comment"> * @param[in] dst_gx_stride_y Stride of the destination image in Y dimension (in bytes)</span></div><div class="line"><a name="l00433"></a><span class="lineno"> 433</span> <span class="comment"> * @param[in] dst_gx_step_y dst_gx_stride_y * number of elements along Y processed per workitem(in bytes)</span></div><div class="line"><a name="l00434"></a><span class="lineno"> 434</span> <span class="comment"> * @param[in] dst_gx_offset_first_element_in_bytes The offset of the first element in the destination image</span></div><div class="line"><a name="l00435"></a><span class="lineno"> 435</span> <span class="comment"> * @param[out] dst_gy_ptr Pointer to the destination image. Supported data types: S32</span></div><div class="line"><a name="l00436"></a><span class="lineno"> 436</span> <span class="comment"> * @param[in] dst_gy_stride_x Stride of the destination image in X dimension (in bytes)</span></div><div class="line"><a name="l00437"></a><span class="lineno"> 437</span> <span class="comment"> * @param[in] dst_gy_step_x dst_gy_stride_x * number of elements along X processed per workitem(in bytes)</span></div><div class="line"><a name="l00438"></a><span class="lineno"> 438</span> <span class="comment"> * @param[in] dst_gy_stride_y Stride of the destination image in Y dimension (in bytes)</span></div><div class="line"><a name="l00439"></a><span class="lineno"> 439</span> <span class="comment"> * @param[in] dst_gy_step_y dst_gy_stride_y * number of elements along Y processed per workitem(in bytes)</span></div><div class="line"><a name="l00440"></a><span class="lineno"> 440</span> <span class="comment"> * @param[in] dst_gy_offset_first_element_in_bytes The offset of the first element in the destination image</span></div><div class="line"><a name="l00441"></a><span class="lineno"> 441</span> <span class="comment"> */</span></div><div class="line"><a name="l00442"></a><span class="lineno"><a class="line" href="sobel__filter_8cl.xhtml#ad8be5e69836ab70ac229279a7d7edaf7"> 442</a></span> __kernel <span class="keywordtype">void</span> <a class="code" href="sobel__filter_8cl.xhtml#ad8be5e69836ab70ac229279a7d7edaf7">sobel_separable1x7</a>(</div><div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  <a class="code" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#a22f42fcf2077d951271df83b55c1a71a">IMAGE_DECLARATION</a>(<a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#a989ab3e96426615bb98e04e0235088ca">src</a>)</div><div class="line"><a name="l00444"></a><span class="lineno"> 444</span> #ifdef GRAD_X</div><div class="line"><a name="l00445"></a><span class="lineno"> 445</span>  ,</div><div class="line"><a name="l00446"></a><span class="lineno"> 446</span>  <a class="code" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#a22f42fcf2077d951271df83b55c1a71a">IMAGE_DECLARATION</a>(dst_gx)</div><div class="line"><a name="l00447"></a><span class="lineno"> 447</span> #endif <span class="comment">/* GRAD_X */</span></div><div class="line"><a name="l00448"></a><span class="lineno"> 448</span> #ifdef GRAD_Y</div><div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  ,</div><div class="line"><a name="l00450"></a><span class="lineno"> 450</span>  <a class="code" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#a22f42fcf2077d951271df83b55c1a71a">IMAGE_DECLARATION</a>(dst_gy)</div><div class="line"><a name="l00451"></a><span class="lineno"> 451</span> #endif <span class="comment">/* GRAD_Y */</span></div><div class="line"><a name="l00452"></a><span class="lineno"> 452</span> )</div><div class="line"><a name="l00453"></a><span class="lineno"> 453</span> {</div><div class="line"><a name="l00454"></a><span class="lineno"> 454</span>  <a class="code" href="struct_image.xhtml">Image</a> <a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#a989ab3e96426615bb98e04e0235088ca">src</a> = <a class="code" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(<a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#a989ab3e96426615bb98e04e0235088ca">src</a>);</div><div class="line"><a name="l00455"></a><span class="lineno"> 455</span> <span class="preprocessor">#ifdef GRAD_X</span></div><div class="line"><a name="l00456"></a><span class="lineno"> 456</span>  <a class="code" href="struct_image.xhtml">Image</a> dst_gx = <a class="code" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(dst_gx);</div><div class="line"><a name="l00457"></a><span class="lineno"> 457</span> <span class="preprocessor">#endif </span><span class="comment">/* GRAD_X */</span><span class="preprocessor"></span></div><div class="line"><a name="l00458"></a><span class="lineno"> 458</span> <span class="preprocessor">#ifdef GRAD_Y</span></div><div class="line"><a name="l00459"></a><span class="lineno"> 459</span>  <a class="code" href="struct_image.xhtml">Image</a> dst_gy = <a class="code" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(dst_gy);</div><div class="line"><a name="l00460"></a><span class="lineno"> 460</span> <span class="preprocessor">#endif </span><span class="comment">/* GRAD_Y */</span><span class="preprocessor"></span></div><div class="line"><a name="l00461"></a><span class="lineno"> 461</span>  int8 gx = (int8)0;</div><div class="line"><a name="l00462"></a><span class="lineno"> 462</span>  int8 gy = (int8)0;</div><div class="line"><a name="l00463"></a><span class="lineno"> 463</span> </div><div class="line"><a name="l00464"></a><span class="lineno"> 464</span>  <a class="code" href="sobel__filter_8cl.xhtml#a7f602251e0a1f8710f8aab3aef09a36b">SOBEL1x7</a>(&<a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#a989ab3e96426615bb98e04e0235088ca">src</a>, gx, gy);</div><div class="line"><a name="l00465"></a><span class="lineno"> 465</span> </div><div class="line"><a name="l00466"></a><span class="lineno"> 466</span>  <span class="comment">// Store result in dst</span></div><div class="line"><a name="l00467"></a><span class="lineno"> 467</span> <span class="preprocessor">#ifdef GRAD_X</span></div><div class="line"><a name="l00468"></a><span class="lineno"> 468</span>  vstore8(gx, 0, ((__global <span class="keywordtype">int</span> *)dst_gx.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>));</div><div class="line"><a name="l00469"></a><span class="lineno"> 469</span> <span class="preprocessor">#endif </span><span class="comment">/* GRAD_X */</span><span class="preprocessor"></span></div><div class="line"><a name="l00470"></a><span class="lineno"> 470</span> <span class="preprocessor">#ifdef GRAD_Y</span></div><div class="line"><a name="l00471"></a><span class="lineno"> 471</span>  vstore8(gy, 0, ((__global <span class="keywordtype">int</span> *)dst_gy.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>));</div><div class="line"><a name="l00472"></a><span class="lineno"> 472</span> <span class="preprocessor">#endif </span><span class="comment">/* GRAD_Y */</span><span class="preprocessor"></span></div><div class="line"><a name="l00473"></a><span class="lineno"> 473</span> }</div><div class="line"><a name="l00474"></a><span class="lineno"> 474</span> <span class="comment"></span></div><div class="line"><a name="l00475"></a><span class="lineno"> 475</span> <span class="comment">/** Apply a 7x1 convolution matrix to two single channel S16 input temporary images and output two single channel S16 images and leave the borders undefined.</span></div><div class="line"><a name="l00476"></a><span class="lineno"> 476</span> <span class="comment"> *</span></div><div class="line"><a name="l00477"></a><span class="lineno"> 477</span> <span class="comment"> * @attention To enable computation of the X gradient -DGRAD_X must be passed at compile time, while computation of the Y gradient</span></div><div class="line"><a name="l00478"></a><span class="lineno"> 478</span> <span class="comment"> * is performed when -DGRAD_Y is used. You can use both when computation of both gradients is required.</span></div><div class="line"><a name="l00479"></a><span class="lineno"> 479</span> <span class="comment"> *</span></div><div class="line"><a name="l00480"></a><span class="lineno"> 480</span> <span class="comment"> * @param[in] src_x_ptr Pointer to the source image. Supported data types: S32</span></div><div class="line"><a name="l00481"></a><span class="lineno"> 481</span> <span class="comment"> * @param[in] src_x_stride_x Stride of the source image in X dimension (in bytes)</span></div><div class="line"><a name="l00482"></a><span class="lineno"> 482</span> <span class="comment"> * @param[in] src_x_step_x src_x_stride_x * number of elements along X processed per workitem(in bytes)</span></div><div class="line"><a name="l00483"></a><span class="lineno"> 483</span> <span class="comment"> * @param[in] src_x_stride_y Stride of the source image in Y dimension (in bytes)</span></div><div class="line"><a name="l00484"></a><span class="lineno"> 484</span> <span class="comment"> * @param[in] src_x_step_y src_x_stride_y * number of elements along Y processed per workitem(in bytes)</span></div><div class="line"><a name="l00485"></a><span class="lineno"> 485</span> <span class="comment"> * @param[in] src_x_offset_first_element_in_bytes The offset of the first element in the source image</span></div><div class="line"><a name="l00486"></a><span class="lineno"> 486</span> <span class="comment"> * @param[out] dst_gx_ptr Pointer to the destination image. Supported data types: S16</span></div><div class="line"><a name="l00487"></a><span class="lineno"> 487</span> <span class="comment"> * @param[in] dst_gx_stride_x Stride of the destination image in X dimension (in bytes)</span></div><div class="line"><a name="l00488"></a><span class="lineno"> 488</span> <span class="comment"> * @param[in] dst_gx_step_x dst_gx_stride_x * number of elements along X processed per workitem(in bytes)</span></div><div class="line"><a name="l00489"></a><span class="lineno"> 489</span> <span class="comment"> * @param[in] dst_gx_stride_y Stride of the destination image in Y dimension (in bytes)</span></div><div class="line"><a name="l00490"></a><span class="lineno"> 490</span> <span class="comment"> * @param[in] dst_gx_step_y dst_gx_stride_y * number of elements along Y processed per workitem(in bytes)</span></div><div class="line"><a name="l00491"></a><span class="lineno"> 491</span> <span class="comment"> * @param[in] dst_gx_offset_first_element_in_bytes The offset of the first element in the destination image</span></div><div class="line"><a name="l00492"></a><span class="lineno"> 492</span> <span class="comment"> * @param[in] src_y_ptr Pointer to the source image. Supported data types: S32</span></div><div class="line"><a name="l00493"></a><span class="lineno"> 493</span> <span class="comment"> * @param[in] src_y_stride_x Stride of the source image in X dimension (in bytes)</span></div><div class="line"><a name="l00494"></a><span class="lineno"> 494</span> <span class="comment"> * @param[in] src_y_step_x src_y_stride_x * number of elements along X processed per workitem(in bytes)</span></div><div class="line"><a name="l00495"></a><span class="lineno"> 495</span> <span class="comment"> * @param[in] src_y_stride_y Stride of the source image in Y dimension (in bytes)</span></div><div class="line"><a name="l00496"></a><span class="lineno"> 496</span> <span class="comment"> * @param[in] src_y_step_y src_y_stride_y * number of elements along Y processed per workitem(in bytes)</span></div><div class="line"><a name="l00497"></a><span class="lineno"> 497</span> <span class="comment"> * @param[in] src_y_offset_first_element_in_bytes The offset of the first element in the source image</span></div><div class="line"><a name="l00498"></a><span class="lineno"> 498</span> <span class="comment"> * @param[out] dst_gy_ptr Pointer to the destination image. Supported data types: S16</span></div><div class="line"><a name="l00499"></a><span class="lineno"> 499</span> <span class="comment"> * @param[in] dst_gy_stride_x Stride of the destination image in X dimension (in bytes)</span></div><div class="line"><a name="l00500"></a><span class="lineno"> 500</span> <span class="comment"> * @param[in] dst_gy_step_x dst_gy_stride_x * number of elements along X processed per workitem(in bytes)</span></div><div class="line"><a name="l00501"></a><span class="lineno"> 501</span> <span class="comment"> * @param[in] dst_gy_stride_y Stride of the destination image in Y dimension (in bytes)</span></div><div class="line"><a name="l00502"></a><span class="lineno"> 502</span> <span class="comment"> * @param[in] dst_gy_step_y dst_gy_stride_y * number of elements along Y processed per workitem(in bytes)</span></div><div class="line"><a name="l00503"></a><span class="lineno"> 503</span> <span class="comment"> * @param[in] dst_gy_offset_first_element_in_bytes The offset of the first element in the destination image</span></div><div class="line"><a name="l00504"></a><span class="lineno"> 504</span> <span class="comment"> * @param[in] dummy Dummy parameter to easy conditional inclusion</span></div><div class="line"><a name="l00505"></a><span class="lineno"> 505</span> <span class="comment"> */</span></div><div class="line"><a name="l00506"></a><span class="lineno"><a class="line" href="sobel__filter_8cl.xhtml#a8cdc6e6df9d40cec1e857917d14ee75f"> 506</a></span> __kernel <span class="keywordtype">void</span> <a class="code" href="sobel__filter_8cl.xhtml#a8cdc6e6df9d40cec1e857917d14ee75f">sobel_separable7x1</a>(</div><div class="line"><a name="l00507"></a><span class="lineno"> 507</span> #ifdef GRAD_X</div><div class="line"><a name="l00508"></a><span class="lineno"> 508</span>  <a class="code" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#a22f42fcf2077d951271df83b55c1a71a">IMAGE_DECLARATION</a>(src_x),</div><div class="line"><a name="l00509"></a><span class="lineno"> 509</span>  <a class="code" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#a22f42fcf2077d951271df83b55c1a71a">IMAGE_DECLARATION</a>(dst_gx),</div><div class="line"><a name="l00510"></a><span class="lineno"> 510</span> #endif <span class="comment">/* GRAD_X */</span></div><div class="line"><a name="l00511"></a><span class="lineno"> 511</span> #ifdef GRAD_Y</div><div class="line"><a name="l00512"></a><span class="lineno"> 512</span>  <a class="code" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#a22f42fcf2077d951271df83b55c1a71a">IMAGE_DECLARATION</a>(src_y),</div><div class="line"><a name="l00513"></a><span class="lineno"> 513</span>  <a class="code" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#a22f42fcf2077d951271df83b55c1a71a">IMAGE_DECLARATION</a>(dst_gy),</div><div class="line"><a name="l00514"></a><span class="lineno"> 514</span> #endif <span class="comment">/* GRAD_Y */</span></div><div class="line"><a name="l00515"></a><span class="lineno"> 515</span>  <span class="keywordtype">int</span> dummy)</div><div class="line"><a name="l00516"></a><span class="lineno"> 516</span> {</div><div class="line"><a name="l00517"></a><span class="lineno"> 517</span> <span class="preprocessor">#ifdef GRAD_X</span></div><div class="line"><a name="l00518"></a><span class="lineno"> 518</span>  <a class="code" href="struct_image.xhtml">Image</a> src_x = <a class="code" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(src_x);</div><div class="line"><a name="l00519"></a><span class="lineno"> 519</span>  <a class="code" href="struct_image.xhtml">Image</a> dst_gx = <a class="code" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(dst_gx);</div><div class="line"><a name="l00520"></a><span class="lineno"> 520</span> <span class="preprocessor">#endif </span><span class="comment">/* GRAD_X */</span><span class="preprocessor"></span></div><div class="line"><a name="l00521"></a><span class="lineno"> 521</span> <span class="preprocessor">#ifdef GRAD_Y</span></div><div class="line"><a name="l00522"></a><span class="lineno"> 522</span>  <a class="code" href="struct_image.xhtml">Image</a> src_y = <a class="code" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(src_y);</div><div class="line"><a name="l00523"></a><span class="lineno"> 523</span>  <a class="code" href="struct_image.xhtml">Image</a> dst_gy = <a class="code" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(dst_gy);</div><div class="line"><a name="l00524"></a><span class="lineno"> 524</span> <span class="preprocessor">#endif </span><span class="comment">/* GRAD_Y */</span><span class="preprocessor"></span></div><div class="line"><a name="l00525"></a><span class="lineno"> 525</span> </div><div class="line"><a name="l00526"></a><span class="lineno"> 526</span>  <span class="comment">// Output pixels</span></div><div class="line"><a name="l00527"></a><span class="lineno"> 527</span> <span class="preprocessor">#ifdef GRAD_X</span></div><div class="line"><a name="l00528"></a><span class="lineno"> 528</span>  int8 gx = 0;</div><div class="line"><a name="l00529"></a><span class="lineno"> 529</span>  <a class="code" href="sobel__filter_8cl.xhtml#a59f291bf2b268f9b850fa81a3fbf776a">SOBEL7x1</a>(&src_x, gx, Y);</div><div class="line"><a name="l00530"></a><span class="lineno"> 530</span>  vstore8(gx, 0, (__global <span class="keywordtype">int</span> *)dst_gx.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>);</div><div class="line"><a name="l00531"></a><span class="lineno"> 531</span> <span class="preprocessor">#endif </span><span class="comment">/* GRAD_X */</span><span class="preprocessor"></span></div><div class="line"><a name="l00532"></a><span class="lineno"> 532</span> <span class="preprocessor">#ifdef GRAD_Y</span></div><div class="line"><a name="l00533"></a><span class="lineno"> 533</span>  int8 gy = 0;</div><div class="line"><a name="l00534"></a><span class="lineno"> 534</span>  <a class="code" href="sobel__filter_8cl.xhtml#a59f291bf2b268f9b850fa81a3fbf776a">SOBEL7x1</a>(&src_y, gy, X);</div><div class="line"><a name="l00535"></a><span class="lineno"> 535</span>  vstore8(gy, 0, (__global <span class="keywordtype">int</span> *)dst_gy.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>);</div><div class="line"><a name="l00536"></a><span class="lineno"> 536</span> <span class="preprocessor">#endif </span><span class="comment">/* GRAD_Y */</span><span class="preprocessor"></span></div><div class="line"><a name="l00537"></a><span class="lineno"> 537</span> }</div><div class="line"><a name="l00538"></a><span class="lineno"> 538</span> </div><div class="line"><a name="l00539"></a><span class="lineno"> 539</span> <span class="comment">/**********************************************/</span></div><div class="line"><a name="l00540"></a><span class="lineno"> 540</span> <span class="comment">/* End implementation of Sobel7x7 filter */</span></div><div class="line"><a name="l00541"></a><span class="lineno"> 541</span> <span class="comment">/**********************************************/</span></div><div class="ttc" id="sobel__filter_8cl_xhtml_a8cdc6e6df9d40cec1e857917d14ee75f"><div class="ttname"><a href="sobel__filter_8cl.xhtml#a8cdc6e6df9d40cec1e857917d14ee75f">sobel_separable7x1</a></div><div class="ttdeci">__kernel void sobel_separable7x1(__global uchar *src_x_ptr, uint src_x_stride_x, uint src_x_step_x, uint src_x_stride_y, uint src_x_step_y, uint src_x_offset_first_element_in_bytes, __global uchar *dst_gx_ptr, uint dst_gx_stride_x, uint dst_gx_step_x, uint dst_gx_stride_y, uint dst_gx_step_y, uint dst_gx_offset_first_element_in_bytes, __global uchar *src_y_ptr, uint src_y_stride_x, uint src_y_step_x, uint src_y_stride_y, uint src_y_step_y, uint src_y_offset_first_element_in_bytes, __global uchar *dst_gy_ptr, uint dst_gy_stride_x, uint dst_gy_step_x, uint dst_gy_stride_y, uint dst_gy_step_y, uint dst_gy_offset_first_element_in_bytes, int dummy)</div><div class="ttdoc">Apply a 7x1 convolution matrix to two single channel S16 input temporary images and output two single...</div><div class="ttdef"><b>Definition:</b> <a href="sobel__filter_8cl_source.xhtml#l00506">sobel_filter.cl:506</a></div></div> |
| <div class="ttc" id="src_2core_2_c_l_2cl__kernels_2_helpers_8h_xhtml_a009469e4d9b8fce3b6d5e97d2077827d"><div class="ttname"><a href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a></div><div class="ttdeci">__global uchar * offset(const Image *img, int x, int y)</div><div class="ttdoc">Get the pointer position of a Image.</div><div class="ttdef"><b>Definition:</b> <a href="src_2core_2_c_l_2cl__kernels_2_helpers_8h_source.xhtml#l00510">helpers.h:510</a></div></div> |
| <div class="ttc" id="src_2core_2_c_l_2cl__kernels_2_helpers_8h_xhtml_aebe814363556c244be043b13e7969197"><div class="ttname"><a href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a></div><div class="ttdeci">#define CONVERT_TO_IMAGE_STRUCT(name)</div><div class="ttdef"><b>Definition:</b> <a href="src_2core_2_c_l_2cl__kernels_2_helpers_8h_source.xhtml#l00311">helpers.h:311</a></div></div> |
| <div class="ttc" id="sobel__filter_8cl_xhtml_a7a74e414f0e90638939a7a0506576625"><div class="ttname"><a href="sobel__filter_8cl.xhtml#a7a74e414f0e90638939a7a0506576625">sobel_separable1x5</a></div><div class="ttdeci">__kernel void sobel_separable1x5(__global uchar *src_ptr, uint src_stride_x, uint src_step_x, uint src_stride_y, uint src_step_y, uint src_offset_first_element_in_bytes, __global uchar *dst_gx_ptr, uint dst_gx_stride_x, uint dst_gx_step_x, uint dst_gx_stride_y, uint dst_gx_step_y, uint dst_gx_offset_first_element_in_bytes, __global uchar *dst_gy_ptr, uint dst_gy_stride_x, uint dst_gy_step_x, uint dst_gy_stride_y, uint dst_gy_step_y, uint dst_gy_offset_first_element_in_bytes)</div><div class="ttdoc">Apply a 1x5 sobel matrix to a single channel U8 input image and output two temporary channel S16 imag...</div><div class="ttdef"><b>Definition:</b> <a href="sobel__filter_8cl_source.xhtml#l00259">sobel_filter.cl:259</a></div></div> |
| <div class="ttc" id="src_2core_2_c_l_2cl__kernels_2_helpers_8h_xhtml_a22f42fcf2077d951271df83b55c1a71a"><div class="ttname"><a href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#a22f42fcf2077d951271df83b55c1a71a">IMAGE_DECLARATION</a></div><div class="ttdeci">#define IMAGE_DECLARATION(name)</div><div class="ttdef"><b>Definition:</b> <a href="src_2core_2_c_l_2cl__kernels_2_helpers_8h_source.xhtml#l00275">helpers.h:275</a></div></div> |
| <div class="ttc" id="sobel__filter_8cl_xhtml_ad8be5e69836ab70ac229279a7d7edaf7"><div class="ttname"><a href="sobel__filter_8cl.xhtml#ad8be5e69836ab70ac229279a7d7edaf7">sobel_separable1x7</a></div><div class="ttdeci">__kernel void sobel_separable1x7(__global uchar *src_ptr, uint src_stride_x, uint src_step_x, uint src_stride_y, uint src_step_y, uint src_offset_first_element_in_bytes, __global uchar *dst_gx_ptr, uint dst_gx_stride_x, uint dst_gx_step_x, uint dst_gx_stride_y, uint dst_gx_step_y, uint dst_gx_offset_first_element_in_bytes, __global uchar *dst_gy_ptr, uint dst_gy_stride_x, uint dst_gy_step_x, uint dst_gy_stride_y, uint dst_gy_step_y, uint dst_gy_offset_first_element_in_bytes)</div><div class="ttdoc">Apply a 1x7 sobel matrix to a single channel U8 input image and output two temporary channel S16 imag...</div><div class="ttdef"><b>Definition:</b> <a href="sobel__filter_8cl_source.xhtml#l00442">sobel_filter.cl:442</a></div></div> |
| <div class="ttc" id="sobel__filter_8cl_xhtml_a59f291bf2b268f9b850fa81a3fbf776a"><div class="ttname"><a href="sobel__filter_8cl.xhtml#a59f291bf2b268f9b850fa81a3fbf776a">SOBEL7x1</a></div><div class="ttdeci">#define SOBEL7x1(ptr, g, direction)</div><div class="ttdef"><b>Definition:</b> <a href="sobel__filter_8cl_source.xhtml#l00409">sobel_filter.cl:409</a></div></div> |
| <div class="ttc" id="sobel__filter_8cl_xhtml_a7f602251e0a1f8710f8aab3aef09a36b"><div class="ttname"><a href="sobel__filter_8cl.xhtml#a7f602251e0a1f8710f8aab3aef09a36b">SOBEL1x7</a></div><div class="ttdeci">#define SOBEL1x7(ptr, gx, gy)</div><div class="ttdef"><b>Definition:</b> <a href="sobel__filter_8cl_source.xhtml#l00399">sobel_filter.cl:399</a></div></div> |
| <div class="ttc" id="struct_image_xhtml"><div class="ttname"><a href="struct_image.xhtml">Image</a></div><div class="ttdoc">Structure to hold Image information.</div><div class="ttdef"><b>Definition:</b> <a href="src_2core_2_c_l_2cl__kernels_2_helpers_8h_source.xhtml#l00349">helpers.h:349</a></div></div> |
| <div class="ttc" id="struct_image_xhtml_acf52c23cbd7424606c10a606524e3e32"><div class="ttname"><a href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">Image::ptr</a></div><div class="ttdeci">__global uchar * ptr</div><div class="ttdoc">Pointer to the starting postion of the buffer.</div><div class="ttdef"><b>Definition:</b> <a href="src_2core_2_c_l_2cl__kernels_2_helpers_8h_source.xhtml#l00351">helpers.h:351</a></div></div> |
| <div class="ttc" id="sobel__filter_8cl_xhtml_a4fac2cb52458aa4666af5b521d2a3910"><div class="ttname"><a href="sobel__filter_8cl.xhtml#a4fac2cb52458aa4666af5b521d2a3910">sobel1x5</a></div><div class="ttdeci">short16 sobel1x5(Image *src, const short left1_coeff_gx, const short left2_coeff_gx, const short middle_coeff_gx, const short right1_coeff_gx, const short right2_coeff_gx, const short left1_coeff_gy, const short left2_coeff_gy, const short middle_coeff_gy, const short right1_coeff_gy, const short right2_coeff_gy)</div><div class="ttdoc">Compute a 1D horizontal sobel filter 1x5 for 8 bytes assuming the input is made of 1 channel of 1 byt...</div><div class="ttdef"><b>Definition:</b> <a href="sobel__filter_8cl_source.xhtml#l00154">sobel_filter.cl:154</a></div></div> |
| <div class="ttc" id="src_2core_2_c_l_2cl__kernels_2_helpers_8h_xhtml"><div class="ttname"><a href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml">helpers.h</a></div></div> |
| <div class="ttc" id="sobel__filter_8cl_xhtml_a1cfe58175749124762fe0dea315d3c21"><div class="ttname"><a href="sobel__filter_8cl.xhtml#a1cfe58175749124762fe0dea315d3c21">sobel5x1</a></div><div class="ttdeci">short8 sobel5x1(Image *src, const short up1_coeff, const short up2_coeff, const short middle_coeff, const short down1_coeff, const short down2_coeff)</div><div class="ttdoc">Compute a 1D vertical sobel filter 5x1 for 8 bytes assuming the input is made of 1 channel of 1 byte ...</div><div class="ttdef"><b>Definition:</b> <a href="sobel__filter_8cl_source.xhtml#l00206">sobel_filter.cl:206</a></div></div> |
| <div class="ttc" id="sobel__filter_8cl_xhtml_ad48e3b9dda20b039199eaea842350975"><div class="ttname"><a href="sobel__filter_8cl.xhtml#ad48e3b9dda20b039199eaea842350975">sobel3x3</a></div><div class="ttdeci">__kernel void sobel3x3(__global uchar *src_ptr, uint src_stride_x, uint src_step_x, uint src_stride_y, uint src_step_y, uint src_offset_first_element_in_bytes, __global uchar *dst_gx_ptr, uint dst_gx_stride_x, uint dst_gx_step_x, uint dst_gx_stride_y, uint dst_gx_step_y, uint dst_gx_offset_first_element_in_bytes, __global uchar *dst_gy_ptr, uint dst_gy_stride_x, uint dst_gy_step_x, uint dst_gy_stride_y, uint dst_gy_step_y, uint dst_gy_offset_first_element_in_bytes)</div><div class="ttdoc">This OpenCL kernel that computes a Sobel3x3 filter.</div><div class="ttdef"><b>Definition:</b> <a href="sobel__filter_8cl_source.xhtml#l00054">sobel_filter.cl:54</a></div></div> |
| <div class="ttc" id="namespacearm__compute_1_1test_1_1validation_xhtml_a989ab3e96426615bb98e04e0235088ca"><div class="ttname"><a href="namespacearm__compute_1_1test_1_1validation.xhtml#a989ab3e96426615bb98e04e0235088ca">arm_compute::test::validation::src</a></div><div class="ttdeci">cast configure & src</div><div class="ttdef"><b>Definition:</b> <a href="_c_l_2_cast_8cpp_source.xhtml#l00169">Cast.cpp:169</a></div></div> |
| <div class="ttc" id="sobel__filter_8cl_xhtml_a2cc1fcdd12f2c3cdd31b83fd59597e40"><div class="ttname"><a href="sobel__filter_8cl.xhtml#a2cc1fcdd12f2c3cdd31b83fd59597e40">sobel_separable5x1</a></div><div class="ttdeci">__kernel void sobel_separable5x1(__global uchar *src_x_ptr, uint src_x_stride_x, uint src_x_step_x, uint src_x_stride_y, uint src_x_step_y, uint src_x_offset_first_element_in_bytes, __global uchar *dst_gx_ptr, uint dst_gx_stride_x, uint dst_gx_step_x, uint dst_gx_stride_y, uint dst_gx_step_y, uint dst_gx_offset_first_element_in_bytes, __global uchar *src_y_ptr, uint src_y_stride_x, uint src_y_step_x, uint src_y_stride_y, uint src_y_step_y, uint src_y_offset_first_element_in_bytes, __global uchar *dst_gy_ptr, uint dst_gy_stride_x, uint dst_gy_step_x, uint dst_gy_stride_y, uint dst_gy_step_y, uint dst_gy_offset_first_element_in_bytes, int dummy)</div><div class="ttdoc">Apply a 5x1 convolution matrix to two single channel S16 input temporary images and output two single...</div><div class="ttdef"><b>Definition:</b> <a href="sobel__filter_8cl_source.xhtml#l00325">sobel_filter.cl:325</a></div></div> |
| </div><!-- fragment --></div><!-- contents --> |
| </div><!-- doc-content --> |
| <!-- start footer part --> |
| <div id="nav-path" class="navpath"><!-- id is needed for treeview function! --> |
| <ul> |
| <li class="navelem"><a class="el" href="dir_68267d1309a1af8e8297ef4c3efbcdba.xhtml">src</a></li><li class="navelem"><a class="el" href="dir_aebb8dcc11953d78e620bbef0b9e2183.xhtml">core</a></li><li class="navelem"><a class="el" href="dir_8c278f79c760e5c5fbd911f9870614c1.xhtml">CL</a></li><li class="navelem"><a class="el" href="dir_25885286e9dad4fa105b7b25a8031bbf.xhtml">cl_kernels</a></li><li class="navelem"><a class="el" href="sobel__filter_8cl.xhtml">sobel_filter.cl</a></li> |
| <li class="footer">Generated on Thu Mar 5 2020 16:06:58 for Compute Library by |
| <a href="http://www.doxygen.org/index.html"> |
| <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.15 </li> |
| </ul> |
| </div> |
| </body> |
| </html> |
