| <!-- 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/histogram.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('histogram_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">histogram.cl</div> </div> |
| </div><!--header--> |
| <div class="contents"> |
| <a href="histogram_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"><a class="line" href="histogram_8cl.xhtml#a2c8a35cfde24ca7728709200962e1a91"> 26</a></span> <span class="preprocessor">#define VATOMIC_INC16(histogram, win_pos) \</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor"> { \</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor"> atomic_inc(histogram + win_pos.s0); \</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor"> atomic_inc(histogram + win_pos.s1); \</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor"> atomic_inc(histogram + win_pos.s2); \</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor"> atomic_inc(histogram + win_pos.s3); \</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor"> atomic_inc(histogram + win_pos.s4); \</span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor"> atomic_inc(histogram + win_pos.s5); \</span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor"> atomic_inc(histogram + win_pos.s6); \</span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor"> atomic_inc(histogram + win_pos.s7); \</span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor"> atomic_inc(histogram + win_pos.s8); \</span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor"> atomic_inc(histogram + win_pos.s9); \</span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor"> atomic_inc(histogram + win_pos.sa); \</span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor"> atomic_inc(histogram + win_pos.sb); \</span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor"> atomic_inc(histogram + win_pos.sc); \</span></div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor"> atomic_inc(histogram + win_pos.sd); \</span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="preprocessor"> atomic_inc(histogram + win_pos.se); \</span></div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="preprocessor"> atomic_inc(histogram + win_pos.sf); \</span></div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="preprocessor"> }</span></div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="comment"></span></div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="comment">/** Calculate the histogram of an 8 bit grayscale image.</span></div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="comment"> *</span></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="comment"> * Each thread will process 16 pixels and use one local atomic operation per pixel.</span></div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="comment"> * When all work items in a work group are done the resulting local histograms are</span></div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="comment"> * added to the global histogram using global atomics.</span></div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="comment"> *</span></div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="comment"> * @note The input image is represented as a two-dimensional array of type uchar.</span></div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="comment"> * The output is represented as a one-dimensional uint array of length of num_bins</span></div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="comment"> *</span></div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="comment"> * @param[in] input_ptr Pointer to the first source image. Supported data types: U8</span></div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="comment"> * @param[in] input_stride_x Stride of the first source image in X dimension (in bytes)</span></div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="comment"> * @param[in] input_step_x input_stride_x * number of elements along X processed per workitem(in bytes)</span></div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="comment"> * @param[in] input_stride_y Stride of the first source image in Y dimension (in bytes)</span></div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="comment"> * @param[in] input_step_y input_stride_y * number of elements along Y processed per workitem(in bytes)</span></div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="comment"> * @param[in] input_offset_first_element_in_bytes The offset of the first element in the first source image</span></div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="comment"> * @param[in] histogram_local The local buffer to hold histogram result in per workgroup. Supported data types: U32</span></div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="comment"> * @param[out] histogram The output buffer to hold histogram final result. Supported data types: U32</span></div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="comment"> * @param[out] num_bins The number of bins</span></div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="comment"> * @param[out] offset The start of values to use (inclusive)</span></div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="comment"> * @param[out] range The range of a bin</span></div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="comment"> * @param[out] offrange The maximum value (exclusive)</span></div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="comment"> */</span></div><div class="line"><a name="l00068"></a><span class="lineno"><a class="line" href="histogram_8cl.xhtml#abc81d92c9655c4ec22fff9163b66279d"> 68</a></span> __kernel <span class="keywordtype">void</span> <a class="code" href="histogram_8cl.xhtml#abc81d92c9655c4ec22fff9163b66279d">hist_local_kernel</a>(<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#a8fcf2ddd9a1d58b1b280f5c0aed71845">input</a>),</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  __local uint *histogram_local,</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  __global uint *restrict <a class="code" href="namespacearm__compute_1_1test_1_1validation_1_1reference.xhtml#a8c37b244d8aec5993e58b2c7f67d936d">histogram</a>,</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  uint num_bins,</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  uint <a class="code" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>,</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  uint <a class="code" href="namespacearm__compute_1_1test_1_1validation_1_1reference.xhtml#a87f09c74765be18a99038478f96daf9b">range</a>,</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  uint offrange)</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span> {</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <a class="code" href="struct_image.xhtml">Image</a> input_buffer = <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#a8fcf2ddd9a1d58b1b280f5c0aed71845">input</a>);</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  uint local_id_x = get_local_id(0);</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span> </div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  uint <a class="code" href="_c_l_histogram_kernel_8cpp.xhtml#a96106a3f026454bc01a9faf1738488bf">local_x_size</a> = get_local_size(0);</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span> </div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keywordflow">if</span>(num_bins > <a class="code" href="_c_l_histogram_kernel_8cpp.xhtml#a96106a3f026454bc01a9faf1738488bf">local_x_size</a>)</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  {</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i = local_id_x; i < num_bins; i += <a class="code" href="_c_l_histogram_kernel_8cpp.xhtml#a96106a3f026454bc01a9faf1738488bf">local_x_size</a>)</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  {</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  histogram_local[i] = 0;</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  }</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  }</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  {</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordflow">if</span>(local_id_x <= num_bins)</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  {</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  histogram_local[local_id_x] = 0;</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  }</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  }</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span> </div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  uint16 vals = convert_uint16(vload16(0, input_buffer.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>));</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span> </div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  uint16 win_pos = <a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#af77145fbdc6b0c8931148f5597d9de53">select</a>(num_bins, ((vals - <a class="code" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>) * num_bins) / <a class="code" href="namespacearm__compute_1_1test_1_1validation_1_1reference.xhtml#a87f09c74765be18a99038478f96daf9b">range</a>, (vals >= <a class="code" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a> && vals < offrange));</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span> </div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  barrier(CLK_LOCAL_MEM_FENCE);</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <a class="code" href="histogram_8cl.xhtml#a2c8a35cfde24ca7728709200962e1a91">VATOMIC_INC16</a>(histogram_local, win_pos);</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  barrier(CLK_LOCAL_MEM_FENCE);</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span> </div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keywordflow">if</span>(num_bins > <a class="code" href="_c_l_histogram_kernel_8cpp.xhtml#a96106a3f026454bc01a9faf1738488bf">local_x_size</a>)</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="keywordflow">for</span>(<span class="keywordtype">int</span> i = local_id_x; i < num_bins; i += <a class="code" href="_c_l_histogram_kernel_8cpp.xhtml#a96106a3f026454bc01a9faf1738488bf">local_x_size</a>)</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  {</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  atomic_add(<a class="code" href="namespacearm__compute_1_1test_1_1validation_1_1reference.xhtml#a8c37b244d8aec5993e58b2c7f67d936d">histogram</a> + i, histogram_local[i]);</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  }</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  }</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  {</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keywordflow">if</span>(local_id_x <= num_bins)</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  {</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  atomic_add(<a class="code" href="namespacearm__compute_1_1test_1_1validation_1_1reference.xhtml#a8c37b244d8aec5993e58b2c7f67d936d">histogram</a> + local_id_x, histogram_local[local_id_x]);</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  }</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  }</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span> }</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span> <span class="comment"></span></div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span> <span class="comment">/** Calculate the histogram of an 8 bit grayscale image's border.</span></div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span> <span class="comment"> *</span></div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span> <span class="comment"> * Each thread will process one pixel using global atomic.</span></div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span> <span class="comment"> * When all work items in a work group are done the resulting local histograms are</span></div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span> <span class="comment"> * added to the global histogram using global atomics.</span></div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span> <span class="comment"> *</span></div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span> <span class="comment"> * @note The input image is represented as a two-dimensional array of type uchar.</span></div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span> <span class="comment"> * The output is represented as a one-dimensional uint array of length of num_bins</span></div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span> <span class="comment"> *</span></div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span> <span class="comment"> * @param[in] input_ptr Pointer to the first source image. Supported data types: U8</span></div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span> <span class="comment"> * @param[in] input_stride_x Stride of the first source image in X dimension (in bytes)</span></div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span> <span class="comment"> * @param[in] input_step_x input_stride_x * number of elements along X processed per workitem(in bytes)</span></div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span> <span class="comment"> * @param[in] input_stride_y Stride of the first source image in Y dimension (in bytes)</span></div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span> <span class="comment"> * @param[in] input_step_y input_stride_y * number of elements along Y processed per workitem(in bytes)</span></div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span> <span class="comment"> * @param[in] input_offset_first_element_in_bytes The offset of the first element in the first source image</span></div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span> <span class="comment"> * @param[out] histogram The output buffer to hold histogram final result. Supported data types: U32</span></div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span> <span class="comment"> * @param[out] num_bins The number of bins</span></div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span> <span class="comment"> * @param[out] offset The start of values to use (inclusive)</span></div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span> <span class="comment"> * @param[out] range The range of a bin</span></div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span> <span class="comment"> * @param[out] offrange The maximum value (exclusive)</span></div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span> <span class="comment"> */</span></div><div class="line"><a name="l00141"></a><span class="lineno"><a class="line" href="histogram_8cl.xhtml#af82fea967051b827585009463255262d"> 141</a></span> __kernel <span class="keywordtype">void</span> <a class="code" href="histogram_8cl.xhtml#af82fea967051b827585009463255262d">hist_border_kernel</a>(<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#a8fcf2ddd9a1d58b1b280f5c0aed71845">input</a>),</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  __global uint *restrict <a class="code" href="namespacearm__compute_1_1test_1_1validation_1_1reference.xhtml#a8c37b244d8aec5993e58b2c7f67d936d">histogram</a>,</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  uint num_bins,</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  uint <a class="code" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>,</div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  uint <a class="code" href="namespacearm__compute_1_1test_1_1validation_1_1reference.xhtml#a87f09c74765be18a99038478f96daf9b">range</a>,</div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  uint offrange)</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span> {</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <a class="code" href="struct_image.xhtml">Image</a> input_buffer = <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#a8fcf2ddd9a1d58b1b280f5c0aed71845">input</a>);</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span> </div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  uint val = (uint)(*input_buffer.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>);</div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span> </div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  uint win_pos = (val >= <a class="code" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>) ? (((val - <a class="code" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>) * num_bins) / <a class="code" href="namespacearm__compute_1_1test_1_1validation_1_1reference.xhtml#a87f09c74765be18a99038478f96daf9b">range</a>) : 0;</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span> </div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keywordflow">if</span>(val >= <a class="code" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a> && (val < offrange))</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  {</div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  atomic_inc(<a class="code" href="namespacearm__compute_1_1test_1_1validation_1_1reference.xhtml#a8c37b244d8aec5993e58b2c7f67d936d">histogram</a> + win_pos);</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  }</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span> }</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span> <span class="comment"></span></div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span> <span class="comment">/** Calculate the histogram of an 8 bit grayscale image with bin size of 256 and window size of 1.</span></div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span> <span class="comment"> *</span></div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span> <span class="comment"> * Each thread will process 16 pixels and use one local atomic operation per pixel.</span></div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span> <span class="comment"> * When all work items in a work group are done the resulting local histograms are</span></div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span> <span class="comment"> * added to the global histogram using global atomics.</span></div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span> <span class="comment"> *</span></div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span> <span class="comment"> * @note The input image is represented as a two-dimensional array of type uchar.</span></div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span> <span class="comment"> * The output is represented as a one-dimensional uint array of 256 elements</span></div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span> <span class="comment"> *</span></div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span> <span class="comment"> * @param[in] input_ptr Pointer to the first source image. Supported data types: U8</span></div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span> <span class="comment"> * @param[in] input_stride_x Stride of the first source image in X dimension (in bytes)</span></div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span> <span class="comment"> * @param[in] input_step_x input_stride_x * number of elements along X processed per workitem(in bytes)</span></div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span> <span class="comment"> * @param[in] input_stride_y Stride of the first source image in Y dimension (in bytes)</span></div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span> <span class="comment"> * @param[in] input_step_y input_stride_y * number of elements along Y processed per workitem(in bytes)</span></div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span> <span class="comment"> * @param[in] input_offset_first_element_in_bytes The offset of the first element in the first source image</span></div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span> <span class="comment"> * @param[in] histogram_local The local buffer to hold histogram result in per workgroup. Supported data types: U32</span></div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span> <span class="comment"> * @param[out] histogram The output buffer to hold histogram final result. Supported data types: U32</span></div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span> <span class="comment"> */</span></div><div class="line"><a name="l00178"></a><span class="lineno"><a class="line" href="histogram_8cl.xhtml#a7c8051ab952a597e66090d77f4dc60e4"> 178</a></span> __kernel <span class="keywordtype">void</span> <a class="code" href="histogram_8cl.xhtml#a7c8051ab952a597e66090d77f4dc60e4">hist_local_kernel_fixed</a>(<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#a8fcf2ddd9a1d58b1b280f5c0aed71845">input</a>),</div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  __local uint *histogram_local,</div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  __global uint *restrict <a class="code" href="namespacearm__compute_1_1test_1_1validation_1_1reference.xhtml#a8c37b244d8aec5993e58b2c7f67d936d">histogram</a>)</div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span> {</div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <a class="code" href="struct_image.xhtml">Image</a> input_buffer = <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#a8fcf2ddd9a1d58b1b280f5c0aed71845">input</a>);</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>  uint local_index = get_local_id(0);</div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  uint <a class="code" href="_c_l_histogram_kernel_8cpp.xhtml#a96106a3f026454bc01a9faf1738488bf">local_x_size</a> = get_local_size(0);</div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span> </div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i = local_index; i < 256; i += <a class="code" href="_c_l_histogram_kernel_8cpp.xhtml#a96106a3f026454bc01a9faf1738488bf">local_x_size</a>)</div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  {</div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  histogram_local[i] = 0;</div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  }</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>  uint16 vals = convert_uint16(vload16(0, input_buffer.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>));</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>  barrier(CLK_LOCAL_MEM_FENCE);</div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span> </div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  atomic_inc(histogram_local + vals.s0);</div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  atomic_inc(histogram_local + vals.s1);</div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  atomic_inc(histogram_local + vals.s2);</div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  atomic_inc(histogram_local + vals.s3);</div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  atomic_inc(histogram_local + vals.s4);</div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  atomic_inc(histogram_local + vals.s5);</div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  atomic_inc(histogram_local + vals.s6);</div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  atomic_inc(histogram_local + vals.s7);</div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  atomic_inc(histogram_local + vals.s8);</div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  atomic_inc(histogram_local + vals.s9);</div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  atomic_inc(histogram_local + vals.sa);</div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  atomic_inc(histogram_local + vals.sb);</div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  atomic_inc(histogram_local + vals.sc);</div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  atomic_inc(histogram_local + vals.sd);</div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  atomic_inc(histogram_local + vals.se);</div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  atomic_inc(histogram_local + vals.sf);</div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span> </div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  barrier(CLK_LOCAL_MEM_FENCE);</div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span> </div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i = local_index; i < 256; i += <a class="code" href="_c_l_histogram_kernel_8cpp.xhtml#a96106a3f026454bc01a9faf1738488bf">local_x_size</a>)</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>  atomic_add(<a class="code" href="namespacearm__compute_1_1test_1_1validation_1_1reference.xhtml#a8c37b244d8aec5993e58b2c7f67d936d">histogram</a> + i, histogram_local[i]);</div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  }</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> <span class="comment"></span></div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span> <span class="comment">/** Calculate the histogram of an 8 bit grayscale image with bin size as 256 and window size as 1.</span></div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span> <span class="comment"> *</span></div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span> <span class="comment"> * Each thread will process one pixel using global atomic.</span></div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span> <span class="comment"> * When all work items in a work group are done the resulting local histograms are</span></div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span> <span class="comment"> * added to the global histogram using global atomics.</span></div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span> <span class="comment"> *</span></div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span> <span class="comment"> * @note The input image is represented as a two-dimensional array of type uchar.</span></div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span> <span class="comment"> * The output is represented as a one-dimensional uint array of 256</span></div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span> <span class="comment"> *</span></div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span> <span class="comment"> * @param[in] input_ptr Pointer to the first source image. Supported data types: U8</span></div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span> <span class="comment"> * @param[in] input_stride_x Stride of the first source image in X dimension (in bytes)</span></div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span> <span class="comment"> * @param[in] input_step_x input_stride_x * number of elements along X processed per workitem(in bytes)</span></div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span> <span class="comment"> * @param[in] input_stride_y Stride of the first source image in Y dimension (in bytes)</span></div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span> <span class="comment"> * @param[in] input_step_y input_stride_y * number of elements along Y processed per workitem(in bytes)</span></div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span> <span class="comment"> * @param[in] input_offset_first_element_in_bytes The offset of the first element in the first source image</span></div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span> <span class="comment"> * @param[out] histogram The output buffer to hold histogram final result. Supported data types: U32</span></div><div class="line"><a name="l00237"></a><span class="lineno"> 237</span> <span class="comment"> */</span></div><div class="line"><a name="l00238"></a><span class="lineno"><a class="line" href="histogram_8cl.xhtml#aec6ec6157573195df9694109ebbb38ae"> 238</a></span> __kernel <span class="keywordtype">void</span> <a class="code" href="histogram_8cl.xhtml#aec6ec6157573195df9694109ebbb38ae">hist_border_kernel_fixed</a>(<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#a8fcf2ddd9a1d58b1b280f5c0aed71845">input</a>),</div><div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  __global uint *restrict <a class="code" href="namespacearm__compute_1_1test_1_1validation_1_1reference.xhtml#a8c37b244d8aec5993e58b2c7f67d936d">histogram</a>)</div><div class="line"><a name="l00240"></a><span class="lineno"> 240</span> {</div><div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  <a class="code" href="struct_image.xhtml">Image</a> input_buffer = <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#a8fcf2ddd9a1d58b1b280f5c0aed71845">input</a>);</div><div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  atomic_inc(<a class="code" href="namespacearm__compute_1_1test_1_1validation_1_1reference.xhtml#a8c37b244d8aec5993e58b2c7f67d936d">histogram</a> + *input_buffer.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>);</div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span> }</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="histogram_8cl_xhtml_a2c8a35cfde24ca7728709200962e1a91"><div class="ttname"><a href="histogram_8cl.xhtml#a2c8a35cfde24ca7728709200962e1a91">VATOMIC_INC16</a></div><div class="ttdeci">#define VATOMIC_INC16(histogram, win_pos)</div><div class="ttdef"><b>Definition:</b> <a href="histogram_8cl_source.xhtml#l00026">histogram.cl:26</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="histogram_8cl_xhtml_abc81d92c9655c4ec22fff9163b66279d"><div class="ttname"><a href="histogram_8cl.xhtml#abc81d92c9655c4ec22fff9163b66279d">hist_local_kernel</a></div><div class="ttdeci">__kernel void hist_local_kernel(__global uchar *input_ptr, uint input_stride_x, uint input_step_x, uint input_stride_y, uint input_step_y, uint input_offset_first_element_in_bytes, __local uint *histogram_local, __global uint *restrict histogram, uint num_bins, uint offset, uint range, uint offrange)</div><div class="ttdoc">Calculate the histogram of an 8 bit grayscale image.</div><div class="ttdef"><b>Definition:</b> <a href="histogram_8cl_source.xhtml#l00068">histogram.cl:68</a></div></div> |
| <div class="ttc" id="namespacearm__compute_1_1test_1_1validation_xhtml_a8fcf2ddd9a1d58b1b280f5c0aed71845"><div class="ttname"><a href="namespacearm__compute_1_1test_1_1validation.xhtml#a8fcf2ddd9a1d58b1b280f5c0aed71845">arm_compute::test::validation::input</a></div><div class="ttdeci">auto input</div><div class="ttdef"><b>Definition:</b> <a href="_c_l_2_l_s_t_m_layer_quantized_8cpp_source.xhtml#l00487">LSTMLayerQuantized.cpp:487</a></div></div> |
| <div class="ttc" id="histogram_8cl_xhtml_a7c8051ab952a597e66090d77f4dc60e4"><div class="ttname"><a href="histogram_8cl.xhtml#a7c8051ab952a597e66090d77f4dc60e4">hist_local_kernel_fixed</a></div><div class="ttdeci">__kernel void hist_local_kernel_fixed(__global uchar *input_ptr, uint input_stride_x, uint input_step_x, uint input_stride_y, uint input_step_y, uint input_offset_first_element_in_bytes, __local uint *histogram_local, __global uint *restrict histogram)</div><div class="ttdoc">Calculate the histogram of an 8 bit grayscale image with bin size of 256 and window size of 1.</div><div class="ttdef"><b>Definition:</b> <a href="histogram_8cl_source.xhtml#l00178">histogram.cl:178</a></div></div> |
| <div class="ttc" id="histogram_8cl_xhtml_af82fea967051b827585009463255262d"><div class="ttname"><a href="histogram_8cl.xhtml#af82fea967051b827585009463255262d">hist_border_kernel</a></div><div class="ttdeci">__kernel void hist_border_kernel(__global uchar *input_ptr, uint input_stride_x, uint input_step_x, uint input_stride_y, uint input_step_y, uint input_offset_first_element_in_bytes, __global uint *restrict histogram, uint num_bins, uint offset, uint range, uint offrange)</div><div class="ttdoc">Calculate the histogram of an 8 bit grayscale image's border.</div><div class="ttdef"><b>Definition:</b> <a href="histogram_8cl_source.xhtml#l00141">histogram.cl:141</a></div></div> |
| <div class="ttc" id="namespacearm__compute_1_1test_1_1validation_1_1reference_xhtml_a87f09c74765be18a99038478f96daf9b"><div class="ttname"><a href="namespacearm__compute_1_1test_1_1validation_1_1reference.xhtml#a87f09c74765be18a99038478f96daf9b">arm_compute::test::validation::reference::range</a></div><div class="ttdeci">SimpleTensor< T > range(SimpleTensor< T > &dst, float start, const size_t num_of_elements, float step)</div><div class="ttdef"><b>Definition:</b> <a href="reference_2_range_8cpp_source.xhtml#l00050">Range.cpp:50</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="namespacearm__compute_1_1test_1_1validation_1_1reference_xhtml_a8c37b244d8aec5993e58b2c7f67d936d"><div class="ttname"><a href="namespacearm__compute_1_1test_1_1validation_1_1reference.xhtml#a8c37b244d8aec5993e58b2c7f67d936d">arm_compute::test::validation::reference::histogram</a></div><div class="ttdeci">SimpleTensor< uint32_t > histogram(const SimpleTensor< T > &src, size_t num_bins, int32_t offset, uint32_t range)</div><div class="ttdef"><b>Definition:</b> <a href="reference_2_histogram_8cpp_source.xhtml#l00038">Histogram.cpp:38</a></div></div> |
| <div class="ttc" id="namespacearm__compute_1_1test_1_1validation_xhtml_af77145fbdc6b0c8931148f5597d9de53"><div class="ttname"><a href="namespacearm__compute_1_1test_1_1validation.xhtml#af77145fbdc6b0c8931148f5597d9de53">arm_compute::test::validation::select</a></div><div class="ttdeci">CLSelect select</div><div class="ttdef"><b>Definition:</b> <a href="_c_l_2_select_8cpp_source.xhtml#l00164">Select.cpp:164</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="_c_l_histogram_kernel_8cpp_xhtml_a96106a3f026454bc01a9faf1738488bf"><div class="ttname"><a href="_c_l_histogram_kernel_8cpp.xhtml#a96106a3f026454bc01a9faf1738488bf">local_x_size</a></div><div class="ttdeci">constexpr unsigned int local_x_size</div><div class="ttdef"><b>Definition:</b> <a href="_c_l_histogram_kernel_8cpp_source.xhtml#l00046">CLHistogramKernel.cpp:46</a></div></div> |
| <div class="ttc" id="histogram_8cl_xhtml_aec6ec6157573195df9694109ebbb38ae"><div class="ttname"><a href="histogram_8cl.xhtml#aec6ec6157573195df9694109ebbb38ae">hist_border_kernel_fixed</a></div><div class="ttdeci">__kernel void hist_border_kernel_fixed(__global uchar *input_ptr, uint input_stride_x, uint input_step_x, uint input_stride_y, uint input_step_y, uint input_offset_first_element_in_bytes, __global uint *restrict histogram)</div><div class="ttdoc">Calculate the histogram of an 8 bit grayscale image with bin size as 256 and window size as 1.</div><div class="ttdef"><b>Definition:</b> <a href="histogram_8cl_source.xhtml#l00238">histogram.cl:238</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="histogram_8cl.xhtml">histogram.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> |
