arm_compute v17.04
[platform/upstream/armcl.git] / documentation / tablelookup_8cl.xhtml
1 <!-- HTML header for doxygen 1.8.9.1-->
2 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
3 <html xmlns="http://www.w3.org/1999/xhtml">
4 <head>
5 <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
6 <meta http-equiv="X-UA-Compatible" content="IE=9"/>
7 <meta name="generator" content="Doxygen 1.8.11"/>
8 <meta name="robots" content="NOINDEX, NOFOLLOW" /> <!-- Prevent indexing by search engines -->
9 <title>ARM Compute Library: src/core/CL/cl_kernels/tablelookup.cl File Reference</title>
10 <link href="tabs.css" rel="stylesheet" type="text/css"/>
11 <script type="text/javascript" src="jquery.js"></script>
12 <script type="text/javascript" src="dynsections.js"></script>
13 <link href="navtree.css" rel="stylesheet" type="text/css"/>
14 <script type="text/javascript" src="resize.js"></script>
15 <script type="text/javascript" src="navtreedata.js"></script>
16 <script type="text/javascript" src="navtree.js"></script>
17 <script type="text/javascript">
18   $(document).ready(initResizable);
19   $(window).load(resizeHeight);
20 </script>
21 <link href="search/search.css" rel="stylesheet" type="text/css"/>
22 <script type="text/javascript" src="search/searchdata.js"></script>
23 <script type="text/javascript" src="search/search.js"></script>
24 <script type="text/javascript">
25   $(document).ready(function() { init_search(); });
26 </script>
27 <script type="text/x-mathjax-config">
28   MathJax.Hub.Config({
29     extensions: ["tex2jax.js"],
30     jax: ["input/TeX","output/HTML-CSS"],
31 });
32 </script><script type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js"></script>
33 <link href="doxygen.css" rel="stylesheet" type="text/css" />
34 </head>
35 <body>
36 <div id="top"><!-- do not remove this div, it is closed by doxygen! -->
37 <div id="titlearea">
38 <table cellspacing="0" cellpadding="0">
39  <tbody>
40  <tr style="height: 56px;">
41   <td style="padding-left: 0.5em;">
42    <div id="projectname">ARM Compute Library
43    &#160;<span id="projectnumber">17.04</span>
44    </div>
45   </td>
46  </tr>
47  </tbody>
48 </table>
49 </div>
50 <!-- end header part -->
51 <!-- Generated by Doxygen 1.8.11 -->
52 <script type="text/javascript">
53 var searchBox = new SearchBox("searchBox", "search",false,'Search');
54 </script>
55   <div id="navrow1" class="tabs">
56     <ul class="tablist">
57       <li><a href="index.xhtml"><span>Main&#160;Page</span></a></li>
58       <li><a href="namespaces.xhtml"><span>Namespaces</span></a></li>
59       <li><a href="annotated.xhtml"><span>Data&#160;Structures</span></a></li>
60       <li class="current"><a href="files.xhtml"><span>Files</span></a></li>
61       <li>
62         <div id="MSearchBox" class="MSearchBoxInactive">
63         <span class="left">
64           <img id="MSearchSelect" src="search/mag_sel.png"
65                onmouseover="return searchBox.OnSearchSelectShow()"
66                onmouseout="return searchBox.OnSearchSelectHide()"
67                alt=""/>
68           <input type="text" id="MSearchField" value="Search" accesskey="S"
69                onfocus="searchBox.OnSearchFieldFocus(true)" 
70                onblur="searchBox.OnSearchFieldFocus(false)" 
71                onkeyup="searchBox.OnSearchFieldChange(event)"/>
72           </span><span class="right">
73             <a id="MSearchClose" href="javascript:searchBox.CloseResultsWindow()"><img id="MSearchCloseImg" border="0" src="search/close.png" alt=""/></a>
74           </span>
75         </div>
76       </li>
77     </ul>
78   </div>
79   <div id="navrow2" class="tabs2">
80     <ul class="tablist">
81       <li><a href="files.xhtml"><span>File&#160;List</span></a></li>
82       <li><a href="globals.xhtml"><span>Globals</span></a></li>
83     </ul>
84   </div>
85 </div><!-- top -->
86 <div id="side-nav" class="ui-resizable side-nav-resizable">
87   <div id="nav-tree">
88     <div id="nav-tree-contents">
89       <div id="nav-sync" class="sync"></div>
90     </div>
91   </div>
92   <div id="splitbar" style="-moz-user-select:none;" 
93        class="ui-resizable-handle">
94   </div>
95 </div>
96 <script type="text/javascript">
97 $(document).ready(function(){initNavTree('tablelookup_8cl.xhtml','');});
98 </script>
99 <div id="doc-content">
100 <!-- window showing the filter options -->
101 <div id="MSearchSelectWindow"
102      onmouseover="return searchBox.OnSearchSelectShow()"
103      onmouseout="return searchBox.OnSearchSelectHide()"
104      onkeydown="return searchBox.OnSearchSelectKey(event)">
105 </div>
106
107 <!-- iframe showing the search results (closed by default) -->
108 <div id="MSearchResultsWindow">
109 <iframe src="javascript:void(0)" frameborder="0" 
110         name="MSearchResults" id="MSearchResults">
111 </iframe>
112 </div>
113
114 <div class="header">
115   <div class="summary">
116 <a href="#func-members">Functions</a>  </div>
117   <div class="headertitle">
118 <div class="title">tablelookup.cl File Reference</div>  </div>
119 </div><!--header-->
120 <div class="contents">
121 <div class="textblock"><code>#include &quot;<a class="el" href="helpers_8h_source.xhtml">helpers.h</a>&quot;</code><br />
122 </div>
123 <p><a href="tablelookup_8cl_source.xhtml">Go to the source code of this file.</a></p>
124 <table class="memberdecls">
125 <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
126 Functions</h2></td></tr>
127 <tr class="memitem:ad64728d0b577942fb98aca553bca7f77"><td class="memItemLeft" align="right" valign="top">__kernel void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="tablelookup_8cl.xhtml#ad64728d0b577942fb98aca553bca7f77">tablelookup_U8</a> (__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_ptr, uint dst_stride_x, uint dst_step_x, uint dst_stride_y, uint dst_step_y, uint dst_offset_first_element_in_bytes, __global uchar *lut)</td></tr>
128 <tr class="memdesc:ad64728d0b577942fb98aca553bca7f77"><td class="mdescLeft">&#160;</td><td class="mdescRight">This function performs table lookup on U8 input/output images.  <a href="#ad64728d0b577942fb98aca553bca7f77">More...</a><br /></td></tr>
129 <tr class="separator:ad64728d0b577942fb98aca553bca7f77"><td class="memSeparator" colspan="2">&#160;</td></tr>
130 <tr class="memitem:ad175448ea70f6a23e63b6d68f09d5f61"><td class="memItemLeft" align="right" valign="top">__kernel void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="tablelookup_8cl.xhtml#ad175448ea70f6a23e63b6d68f09d5f61">tablelookup_S16</a> (__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_ptr, uint dst_stride_x, uint dst_step_x, uint dst_stride_y, uint dst_step_y, uint dst_offset_first_element_in_bytes, __global short *lut, uint <a class="el" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>, uint count)</td></tr>
131 <tr class="memdesc:ad175448ea70f6a23e63b6d68f09d5f61"><td class="mdescLeft">&#160;</td><td class="mdescRight">This function performs table lookup on S16 input/output images.  <a href="#ad175448ea70f6a23e63b6d68f09d5f61">More...</a><br /></td></tr>
132 <tr class="separator:ad175448ea70f6a23e63b6d68f09d5f61"><td class="memSeparator" colspan="2">&#160;</td></tr>
133 </table>
134 <h2 class="groupheader">Function Documentation</h2>
135 <a class="anchor" id="ad175448ea70f6a23e63b6d68f09d5f61"></a>
136 <div class="memitem">
137 <div class="memproto">
138       <table class="memname">
139         <tr>
140           <td class="memname">__kernel void tablelookup_S16 </td>
141           <td>(</td>
142           <td class="paramtype">__global uchar *&#160;</td>
143           <td class="paramname"><em>src_ptr</em>, </td>
144         </tr>
145         <tr>
146           <td class="paramkey"></td>
147           <td></td>
148           <td class="paramtype">uint&#160;</td>
149           <td class="paramname"><em>src_stride_x</em>, </td>
150         </tr>
151         <tr>
152           <td class="paramkey"></td>
153           <td></td>
154           <td class="paramtype">uint&#160;</td>
155           <td class="paramname"><em>src_step_x</em>, </td>
156         </tr>
157         <tr>
158           <td class="paramkey"></td>
159           <td></td>
160           <td class="paramtype">uint&#160;</td>
161           <td class="paramname"><em>src_stride_y</em>, </td>
162         </tr>
163         <tr>
164           <td class="paramkey"></td>
165           <td></td>
166           <td class="paramtype">uint&#160;</td>
167           <td class="paramname"><em>src_step_y</em>, </td>
168         </tr>
169         <tr>
170           <td class="paramkey"></td>
171           <td></td>
172           <td class="paramtype">uint&#160;</td>
173           <td class="paramname"><em>src_offset_first_element_in_bytes</em>, </td>
174         </tr>
175         <tr>
176           <td class="paramkey"></td>
177           <td></td>
178           <td class="paramtype">__global uchar *&#160;</td>
179           <td class="paramname"><em>dst_ptr</em>, </td>
180         </tr>
181         <tr>
182           <td class="paramkey"></td>
183           <td></td>
184           <td class="paramtype">uint&#160;</td>
185           <td class="paramname"><em>dst_stride_x</em>, </td>
186         </tr>
187         <tr>
188           <td class="paramkey"></td>
189           <td></td>
190           <td class="paramtype">uint&#160;</td>
191           <td class="paramname"><em>dst_step_x</em>, </td>
192         </tr>
193         <tr>
194           <td class="paramkey"></td>
195           <td></td>
196           <td class="paramtype">uint&#160;</td>
197           <td class="paramname"><em>dst_stride_y</em>, </td>
198         </tr>
199         <tr>
200           <td class="paramkey"></td>
201           <td></td>
202           <td class="paramtype">uint&#160;</td>
203           <td class="paramname"><em>dst_step_y</em>, </td>
204         </tr>
205         <tr>
206           <td class="paramkey"></td>
207           <td></td>
208           <td class="paramtype">uint&#160;</td>
209           <td class="paramname"><em>dst_offset_first_element_in_bytes</em>, </td>
210         </tr>
211         <tr>
212           <td class="paramkey"></td>
213           <td></td>
214           <td class="paramtype">__global short *&#160;</td>
215           <td class="paramname"><em>lut</em>, </td>
216         </tr>
217         <tr>
218           <td class="paramkey"></td>
219           <td></td>
220           <td class="paramtype">uint&#160;</td>
221           <td class="paramname"><em>offset</em>, </td>
222         </tr>
223         <tr>
224           <td class="paramkey"></td>
225           <td></td>
226           <td class="paramtype">uint&#160;</td>
227           <td class="paramname"><em>count</em>&#160;</td>
228         </tr>
229         <tr>
230           <td></td>
231           <td>)</td>
232           <td></td><td></td>
233         </tr>
234       </table>
235 </div><div class="memdoc">
236
237 <p>This function performs table lookup on S16 input/output images. </p>
238 <p>Global Workgroup Size [ DIV_CEIL(width, 8), height ]</p>
239 <dl class="params"><dt>Parameters</dt><dd>
240   <table class="params">
241     <tr><td class="paramdir">[in]</td><td class="paramname">src_ptr</td><td>Pointer to the source image. Supported data types: S16 </td></tr>
242     <tr><td class="paramdir">[in]</td><td class="paramname">src_stride_x</td><td>Stride of the source image in X dimension (in bytes) </td></tr>
243     <tr><td class="paramdir">[in]</td><td class="paramname">src_step_x</td><td>src_stride_x * number of elements along X processed per workitem(in bytes) </td></tr>
244     <tr><td class="paramdir">[in]</td><td class="paramname">src_stride_y</td><td>Stride of the source image in Y dimension (in bytes) </td></tr>
245     <tr><td class="paramdir">[in]</td><td class="paramname">src_step_y</td><td>src_stride_y * number of elements along Y processed per workitem(in bytes) </td></tr>
246     <tr><td class="paramdir">[in]</td><td class="paramname">src_offset_first_element_in_bytes</td><td>The offset of the first element in the source image </td></tr>
247     <tr><td class="paramdir">[out]</td><td class="paramname">dst_ptr</td><td>Pointer to the destination image. Supported data types: S16 </td></tr>
248     <tr><td class="paramdir">[in]</td><td class="paramname">dst_stride_x</td><td>Stride of the destination image in X dimension (in bytes) </td></tr>
249     <tr><td class="paramdir">[in]</td><td class="paramname">dst_step_x</td><td>dst_stride_x * number of elements along X processed per workitem(in bytes) </td></tr>
250     <tr><td class="paramdir">[in]</td><td class="paramname">dst_stride_y</td><td>Stride of the destination image in Y dimension (in bytes) </td></tr>
251     <tr><td class="paramdir">[in]</td><td class="paramname">dst_step_y</td><td>dst_stride_y * number of elements along Y processed per workitem(in bytes) </td></tr>
252     <tr><td class="paramdir">[in]</td><td class="paramname">dst_offset_first_element_in_bytes</td><td>The offset of the first element in the destination image </td></tr>
253     <tr><td class="paramdir">[in]</td><td class="paramname">lut</td><td>LUT table. Supported data types: S16 </td></tr>
254     <tr><td class="paramdir">[in]</td><td class="paramname">offset</td><td>LUT offset </td></tr>
255     <tr><td class="paramdir">[in]</td><td class="paramname">count</td><td>Number of elements in the LUT </td></tr>
256   </table>
257   </dd>
258 </dl>
259
260 <p>Definition at line <a class="el" href="tablelookup_8cl_source.xhtml#l00084">84</a> of file <a class="el" href="tablelookup_8cl_source.xhtml">tablelookup.cl</a>.</p>
261
262 <p>References <a class="el" href="helpers_8h_source.xhtml#l00073">CONVERT_TO_IMAGE_STRUCT</a>, and <a class="el" href="helpers_8h_source.xhtml#l00097">Image::ptr</a>.</p>
263 <div class="fragment"><div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;{</div><div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;    <a class="code" href="struct_image.xhtml">Image</a> src = <a class="code" href="helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(src);</div><div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;    <a class="code" href="struct_image.xhtml">Image</a> dst = <a class="code" href="helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(dst);</div><div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;</div><div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;    <span class="comment">/* Load input data */</span></div><div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;    short8 data = vload8(0, (__global <span class="keywordtype">short</span> *)src.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>);</div><div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;</div><div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;    <span class="comment">/* Load output data */</span></div><div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;    int8 out_data = convert_int8(vload8(0, (__global <span class="keywordtype">short</span> *)dst.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>));</div><div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;</div><div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;    <span class="comment">/* Calculate index */</span></div><div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;    int8 index = convert_int8(data) + (int8)(<a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>);</div><div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;    int8 cond  = (index &gt;= 0 &amp;&amp; index &lt; (int8)count);</div><div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;    index      = select(0, index, cond);</div><div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;</div><div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;    <span class="comment">/* Load lut data */</span></div><div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;    int8 lut_data = (int8)(lut[index.s0], lut[index.s1], lut[index.s2], lut[index.s3],</div><div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;                           lut[index.s4], lut[index.s5], lut[index.s6], lut[index.s7]);</div><div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;</div><div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;    <span class="comment">/* Select output data depending on condition */</span></div><div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;    lut_data = select(out_data, lut_data, cond);</div><div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;</div><div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;    <span class="comment">/* Store result */</span></div><div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;    vstore8(convert_short8(lut_data), 0, (__global <span class="keywordtype">short</span> *)dst.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>);</div><div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;}</div><div class="ttc" id="helpers_8h_xhtml_a009469e4d9b8fce3b6d5e97d2077827d"><div class="ttname"><a href="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="helpers_8h_source.xhtml#l00201">helpers.h:201</a></div></div>
264 <div class="ttc" id="helpers_8h_xhtml_aebe814363556c244be043b13e7969197"><div class="ttname"><a href="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="helpers_8h_source.xhtml#l00073">helpers.h:73</a></div></div>
265 <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="helpers_8h_source.xhtml#l00095">helpers.h:95</a></div></div>
266 <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="helpers_8h_source.xhtml#l00097">helpers.h:97</a></div></div>
267 </div><!-- fragment -->
268 </div>
269 </div>
270 <a class="anchor" id="ad64728d0b577942fb98aca553bca7f77"></a>
271 <div class="memitem">
272 <div class="memproto">
273       <table class="memname">
274         <tr>
275           <td class="memname">__kernel void tablelookup_U8 </td>
276           <td>(</td>
277           <td class="paramtype">__global uchar *&#160;</td>
278           <td class="paramname"><em>src_ptr</em>, </td>
279         </tr>
280         <tr>
281           <td class="paramkey"></td>
282           <td></td>
283           <td class="paramtype">uint&#160;</td>
284           <td class="paramname"><em>src_stride_x</em>, </td>
285         </tr>
286         <tr>
287           <td class="paramkey"></td>
288           <td></td>
289           <td class="paramtype">uint&#160;</td>
290           <td class="paramname"><em>src_step_x</em>, </td>
291         </tr>
292         <tr>
293           <td class="paramkey"></td>
294           <td></td>
295           <td class="paramtype">uint&#160;</td>
296           <td class="paramname"><em>src_stride_y</em>, </td>
297         </tr>
298         <tr>
299           <td class="paramkey"></td>
300           <td></td>
301           <td class="paramtype">uint&#160;</td>
302           <td class="paramname"><em>src_step_y</em>, </td>
303         </tr>
304         <tr>
305           <td class="paramkey"></td>
306           <td></td>
307           <td class="paramtype">uint&#160;</td>
308           <td class="paramname"><em>src_offset_first_element_in_bytes</em>, </td>
309         </tr>
310         <tr>
311           <td class="paramkey"></td>
312           <td></td>
313           <td class="paramtype">__global uchar *&#160;</td>
314           <td class="paramname"><em>dst_ptr</em>, </td>
315         </tr>
316         <tr>
317           <td class="paramkey"></td>
318           <td></td>
319           <td class="paramtype">uint&#160;</td>
320           <td class="paramname"><em>dst_stride_x</em>, </td>
321         </tr>
322         <tr>
323           <td class="paramkey"></td>
324           <td></td>
325           <td class="paramtype">uint&#160;</td>
326           <td class="paramname"><em>dst_step_x</em>, </td>
327         </tr>
328         <tr>
329           <td class="paramkey"></td>
330           <td></td>
331           <td class="paramtype">uint&#160;</td>
332           <td class="paramname"><em>dst_stride_y</em>, </td>
333         </tr>
334         <tr>
335           <td class="paramkey"></td>
336           <td></td>
337           <td class="paramtype">uint&#160;</td>
338           <td class="paramname"><em>dst_step_y</em>, </td>
339         </tr>
340         <tr>
341           <td class="paramkey"></td>
342           <td></td>
343           <td class="paramtype">uint&#160;</td>
344           <td class="paramname"><em>dst_offset_first_element_in_bytes</em>, </td>
345         </tr>
346         <tr>
347           <td class="paramkey"></td>
348           <td></td>
349           <td class="paramtype">__global uchar *&#160;</td>
350           <td class="paramname"><em>lut</em>&#160;</td>
351         </tr>
352         <tr>
353           <td></td>
354           <td>)</td>
355           <td></td><td></td>
356         </tr>
357       </table>
358 </div><div class="memdoc">
359
360 <p>This function performs table lookup on U8 input/output images. </p>
361 <p>Global Workgroup Size [ DIV_CEIL(width, 8), height ]</p>
362 <dl class="params"><dt>Parameters</dt><dd>
363   <table class="params">
364     <tr><td class="paramdir">[in]</td><td class="paramname">src_ptr</td><td>Pointer to the source image. Supported data types: U8 </td></tr>
365     <tr><td class="paramdir">[in]</td><td class="paramname">src_stride_x</td><td>Stride of the source image in X dimension (in bytes) </td></tr>
366     <tr><td class="paramdir">[in]</td><td class="paramname">src_step_x</td><td>src_stride_x * number of elements along X processed per workitem(in bytes) </td></tr>
367     <tr><td class="paramdir">[in]</td><td class="paramname">src_stride_y</td><td>Stride of the source image in Y dimension (in bytes) </td></tr>
368     <tr><td class="paramdir">[in]</td><td class="paramname">src_step_y</td><td>src_stride_y * number of elements along Y processed per workitem(in bytes) </td></tr>
369     <tr><td class="paramdir">[in]</td><td class="paramname">src_offset_first_element_in_bytes</td><td>The offset of the first element in the source image </td></tr>
370     <tr><td class="paramdir">[out]</td><td class="paramname">dst_ptr</td><td>Pointer to the destination image. Supported data types: U8 </td></tr>
371     <tr><td class="paramdir">[in]</td><td class="paramname">dst_stride_x</td><td>Stride of the destination image in X dimension (in bytes) </td></tr>
372     <tr><td class="paramdir">[in]</td><td class="paramname">dst_step_x</td><td>dst_stride_x * number of elements along X processed per workitem(in bytes) </td></tr>
373     <tr><td class="paramdir">[in]</td><td class="paramname">dst_stride_y</td><td>Stride of the destination image in Y dimension (in bytes) </td></tr>
374     <tr><td class="paramdir">[in]</td><td class="paramname">dst_step_y</td><td>dst_stride_y * number of elements along Y processed per workitem(in bytes) </td></tr>
375     <tr><td class="paramdir">[in]</td><td class="paramname">dst_offset_first_element_in_bytes</td><td>The offset of the first element in the destination image </td></tr>
376     <tr><td class="paramdir">[in]</td><td class="paramname">lut</td><td>LUT table. Supported data types: U8 </td></tr>
377   </table>
378   </dd>
379 </dl>
380
381 <p>Definition at line <a class="el" href="tablelookup_8cl_source.xhtml#l00045">45</a> of file <a class="el" href="tablelookup_8cl_source.xhtml">tablelookup.cl</a>.</p>
382
383 <p>References <a class="el" href="helpers_8h_source.xhtml#l00073">CONVERT_TO_IMAGE_STRUCT</a>, and <a class="el" href="helpers_8h_source.xhtml#l00097">Image::ptr</a>.</p>
384 <div class="fragment"><div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;{</div><div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;    <a class="code" href="struct_image.xhtml">Image</a> src = <a class="code" href="helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(src);</div><div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;    <a class="code" href="struct_image.xhtml">Image</a> dst = <a class="code" href="helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(dst);</div><div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;</div><div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;    <span class="comment">/* Load input data */</span></div><div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;    uchar8 data = vload8(0, src.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>);</div><div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;</div><div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;    <span class="comment">/* Load lut data */</span></div><div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;    uchar8 lut_data = (uchar8)(lut[data.s0], lut[data.s1], lut[data.s2], lut[data.s3],</div><div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;                               lut[data.s4], lut[data.s5], lut[data.s6], lut[data.s7]);</div><div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;</div><div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;    <span class="comment">/* Store result */</span></div><div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;    vstore8(lut_data, 0, dst.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>);</div><div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;}</div><div class="ttc" id="helpers_8h_xhtml_aebe814363556c244be043b13e7969197"><div class="ttname"><a href="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="helpers_8h_source.xhtml#l00073">helpers.h:73</a></div></div>
385 <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="helpers_8h_source.xhtml#l00095">helpers.h:95</a></div></div>
386 <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="helpers_8h_source.xhtml#l00097">helpers.h:97</a></div></div>
387 </div><!-- fragment -->
388 </div>
389 </div>
390 </div><!-- contents -->
391 </div><!-- doc-content -->
392 <!-- start footer part -->
393 <div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
394   <ul>
395     <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="tablelookup_8cl.xhtml">tablelookup.cl</a></li>
396     <li class="footer">Generated on Wed Apr 12 2017 14:26:05 for ARM Compute Library by
397     <a href="http://www.doxygen.org/index.html">
398     <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.11 </li>
399   </ul>
400 </div>
401 </body>
402 </html>