Gitiles
Code Review Sign In
gerrit-public.fairphone.software / platform / external / ComputeLibrary / 0e205f7e1083bf26e6ffc33d96005999b541b8f9 / . / documentation / scale_8cl.xhtml
blob: f54298b7f80ff4eda58bd61089a11ee7cc949221 [file] [log] [blame]
Jenkins514be652019-02-28 12:25:18 +0000[diff] [blame]1<!-- HTML header for doxygen 1.8.15-->
2<!-- Remember to use version doxygen 1.8.15 +-->
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]3<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
4<html xmlns="http://www.w3.org/1999/xhtml">
5<head>
6<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
7<meta http-equiv="X-UA-Compatible" content="IE=9"/>
Jenkins514be652019-02-28 12:25:18 +0000[diff] [blame]8<meta name="generator" content="Doxygen 1.8.15"/>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]9<meta name="robots" content="NOINDEX, NOFOLLOW" /> <!-- Prevent indexing by search engines -->
Anthony Barbierdbdab852017-06-23 15:42:00 +0100[diff] [blame]10<title>Compute Library: src/core/CL/cl_kernels/scale.cl File Reference</title>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]11<link href="tabs.css" rel="stylesheet" type="text/css"/>
12<script type="text/javascript" src="jquery.js"></script>
13<script type="text/javascript" src="dynsections.js"></script>
14<link href="navtree.css" rel="stylesheet" type="text/css"/>
15<script type="text/javascript" src="resize.js"></script>
Anthony Barbier8140e1e2017-12-14 23:48:46 +0000[diff] [blame]16<script type="text/javascript" src="navtreedata.js"></script>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]17<script type="text/javascript" src="navtree.js"></script>
18<script type="text/javascript">
Jenkins514be652019-02-28 12:25:18 +0000[diff] [blame]19/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&amp;dn=gpl-2.0.txt GPL-v2 */
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]20 $(document).ready(initResizable);
Jenkins514be652019-02-28 12:25:18 +0000[diff] [blame]21/* @license-end */</script>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]22<link href="search/search.css" rel="stylesheet" type="text/css"/>
Anthony Barbier8140e1e2017-12-14 23:48:46 +0000[diff] [blame]23<script type="text/javascript" src="search/searchdata.js"></script>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]24<script type="text/javascript" src="search/search.js"></script>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]25<script type="text/x-mathjax-config">
26 MathJax.Hub.Config({
27 extensions: ["tex2jax.js"],
28 jax: ["input/TeX","output/HTML-CSS"],
29});
Jenkins514be652019-02-28 12:25:18 +0000[diff] [blame]30</script><script type="text/javascript" async="async" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js"></script>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]31<link href="doxygen.css" rel="stylesheet" type="text/css" />
Jenkins514be652019-02-28 12:25:18 +0000[diff] [blame]32<link href="stylesheet.css" rel="stylesheet" type="text/css"/>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]33</head>
34<body>
35<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
36<div id="titlearea">
37<table cellspacing="0" cellpadding="0">
38 <tbody>
39 <tr style="height: 56px;">
Jenkins514be652019-02-28 12:25:18 +0000[diff] [blame]40 <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"/>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]41 <td style="padding-left: 0.5em;">
Jenkins514be652019-02-28 12:25:18 +0000[diff] [blame]42 <div id="projectname">
Jenkins0e205f72019-11-28 16:53:35 +0000[diff] [blame^]43 &#160;<span id="projectnumber">19.11</span>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]44 </div>
45 </td>
46 </tr>
47 </tbody>
48</table>
49</div>
50<!-- end header part -->
Jenkins514be652019-02-28 12:25:18 +0000[diff] [blame]51<!-- Generated by Doxygen 1.8.15 -->
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]52<script type="text/javascript">
Jenkins514be652019-02-28 12:25:18 +0000[diff] [blame]53/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&amp;dn=gpl-2.0.txt GPL-v2 */
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]54var searchBox = new SearchBox("searchBox", "search",false,'Search');
Jenkins514be652019-02-28 12:25:18 +0000[diff] [blame]55/* @license-end */
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]56</script>
Jenkinsb9abeae2018-11-22 11:58:08 +0000[diff] [blame]57<script type="text/javascript" src="menudata.js"></script>
58<script type="text/javascript" src="menu.js"></script>
59<script type="text/javascript">
Jenkins514be652019-02-28 12:25:18 +0000[diff] [blame]60/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&amp;dn=gpl-2.0.txt GPL-v2 */
Jenkinsb9abeae2018-11-22 11:58:08 +0000[diff] [blame]61$(function() {
62 initMenu('',true,false,'search.php','Search');
63 $(document).ready(function() { init_search(); });
64});
Jenkins514be652019-02-28 12:25:18 +0000[diff] [blame]65/* @license-end */</script>
Jenkinsb9abeae2018-11-22 11:58:08 +0000[diff] [blame]66<div id="main-nav"></div>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]67</div><!-- top -->
68<div id="side-nav" class="ui-resizable side-nav-resizable">
69 <div id="nav-tree">
70 <div id="nav-tree-contents">
71 <div id="nav-sync" class="sync"></div>
72 </div>
73 </div>
74 <div id="splitbar" style="-moz-user-select:none;"
75 class="ui-resizable-handle">
76 </div>
77</div>
78<script type="text/javascript">
Jenkins514be652019-02-28 12:25:18 +0000[diff] [blame]79/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&amp;dn=gpl-2.0.txt GPL-v2 */
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]80$(document).ready(function(){initNavTree('scale_8cl.xhtml','');});
Jenkins514be652019-02-28 12:25:18 +0000[diff] [blame]81/* @license-end */
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]82</script>
83<div id="doc-content">
84<!-- window showing the filter options -->
85<div id="MSearchSelectWindow"
86 onmouseover="return searchBox.OnSearchSelectShow()"
87 onmouseout="return searchBox.OnSearchSelectHide()"
88 onkeydown="return searchBox.OnSearchSelectKey(event)">
Anthony Barbier8140e1e2017-12-14 23:48:46 +0000[diff] [blame]89</div>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]90
91<!-- iframe showing the search results (closed by default) -->
92<div id="MSearchResultsWindow">
93<iframe src="javascript:void(0)" frameborder="0"
94 name="MSearchResults" id="MSearchResults">
95</iframe>
96</div>
97
98<div class="header">
99 <div class="summary">
100<a href="#func-members">Functions</a> </div>
101 <div class="headertitle">
102<div class="title">scale.cl File Reference</div> </div>
103</div><!--header-->
104<div class="contents">
Jenkinsb9abeae2018-11-22 11:58:08 +0000[diff] [blame]105<div class="textblock"><code>#include &quot;<a class="el" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h_source.xhtml">helpers.h</a>&quot;</code><br />
Anthony Barbier8140e1e2017-12-14 23:48:46 +0000[diff] [blame]106<code>#include &quot;<a class="el" href="warp__helpers_8h_source.xhtml">warp_helpers.h</a>&quot;</code><br />
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]107</div>
108<p><a href="scale_8cl_source.xhtml">Go to the source code of this file.</a></p>
109<table class="memberdecls">
110<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
111Functions</h2></td></tr>
112<tr class="memitem:a55c710b814464d9b8982c4eb6ca04dee"><td class="memItemLeft" align="right" valign="top">const float8&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="scale_8cl.xhtml#a55c710b814464d9b8982c4eb6ca04dee">transform_nearest</a> (const float2 coord, const float2 scale)</td></tr>
Anthony Barbier8140e1e2017-12-14 23:48:46 +0000[diff] [blame]113<tr class="memdesc:a55c710b814464d9b8982c4eb6ca04dee"><td class="mdescLeft">&#160;</td><td class="mdescRight">Transforms four 2D coordinates. <a href="#a55c710b814464d9b8982c4eb6ca04dee">More...</a><br /></td></tr>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]114<tr class="separator:a55c710b814464d9b8982c4eb6ca04dee"><td class="memSeparator" colspan="2">&#160;</td></tr>
115<tr class="memitem:a1990e87858b15b8fce3f63965fb9b86c"><td class="memItemLeft" align="right" valign="top">const float8&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="scale_8cl.xhtml#a1990e87858b15b8fce3f63965fb9b86c">transform_bilinear</a> (const float2 coord, const float2 scale)</td></tr>
Anthony Barbier8140e1e2017-12-14 23:48:46 +0000[diff] [blame]116<tr class="memdesc:a1990e87858b15b8fce3f63965fb9b86c"><td class="mdescLeft">&#160;</td><td class="mdescRight">Transforms four 2D coordinates. <a href="#a1990e87858b15b8fce3f63965fb9b86c">More...</a><br /></td></tr>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]117<tr class="separator:a1990e87858b15b8fce3f63965fb9b86c"><td class="memSeparator" colspan="2">&#160;</td></tr>
Jenkins0e205f72019-11-28 16:53:35 +0000[diff] [blame^]118<tr class="memitem:ab0d36306b50e1c7961dfa9337d73ecbb"><td class="memItemLeft" align="right" valign="top">__kernel void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="scale_8cl.xhtml#ab0d36306b50e1c7961dfa9337d73ecbb">scale_nearest_neighbour_nchw</a> (__global uchar *in_ptr, uint in_stride_x, uint in_step_x, uint in_stride_y, uint in_step_y, uint in_offset_first_element_in_bytes, __global uchar *out_ptr, uint out_stride_x, uint out_step_x, uint out_stride_y, uint out_step_y, uint out_offset_first_element_in_bytes, const float input_width, const float input_height, const float scale_x, const float scale_y)</td></tr>
Jenkins52ba29e2018-08-29 15:32:11 +0000[diff] [blame]119<tr class="memdesc:ab0d36306b50e1c7961dfa9337d73ecbb"><td class="mdescLeft">&#160;</td><td class="mdescRight">Performs an affine transformation on an image interpolating with the NEAREAST NEIGHBOUR method. <a href="#ab0d36306b50e1c7961dfa9337d73ecbb">More...</a><br /></td></tr>
120<tr class="separator:ab0d36306b50e1c7961dfa9337d73ecbb"><td class="memSeparator" colspan="2">&#160;</td></tr>
Jenkins0e205f72019-11-28 16:53:35 +0000[diff] [blame^]121<tr class="memitem:a8721515bc3a5bd5c2c07c71680836989"><td class="memItemLeft" align="right" valign="top">__kernel void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="scale_8cl.xhtml#a8721515bc3a5bd5c2c07c71680836989">scale_bilinear_nchw</a> (__global uchar *in_ptr, uint in_stride_x, uint in_step_x, uint in_stride_y, uint in_step_y, uint in_offset_first_element_in_bytes, __global uchar *out_ptr, uint out_stride_x, uint out_step_x, uint out_stride_y, uint out_step_y, uint out_offset_first_element_in_bytes, const float input_width, const float input_height, const float scale_x, const float scale_y)</td></tr>
Jenkins52ba29e2018-08-29 15:32:11 +0000[diff] [blame]122<tr class="memdesc:a8721515bc3a5bd5c2c07c71680836989"><td class="mdescLeft">&#160;</td><td class="mdescRight">Performs an affine transformation on an image interpolating with the BILINEAR method. <a href="#a8721515bc3a5bd5c2c07c71680836989">More...</a><br /></td></tr>
123<tr class="separator:a8721515bc3a5bd5c2c07c71680836989"><td class="memSeparator" colspan="2">&#160;</td></tr>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]124</table>
125<h2 class="groupheader">Function Documentation</h2>
Jenkinsb9abeae2018-11-22 11:58:08 +0000[diff] [blame]126<a id="a8721515bc3a5bd5c2c07c71680836989"></a>
127<h2 class="memtitle"><span class="permalink"><a href="#a8721515bc3a5bd5c2c07c71680836989">&#9670;&nbsp;</a></span>scale_bilinear_nchw()</h2>
128
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]129<div class="memitem">
130<div class="memproto">
131 <table class="memname">
132 <tr>
Jenkins52ba29e2018-08-29 15:32:11 +0000[diff] [blame]133 <td class="memname">__kernel void scale_bilinear_nchw </td>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]134 <td>(</td>
135 <td class="paramtype">__global uchar *&#160;</td>
136 <td class="paramname"><em>in_ptr</em>, </td>
137 </tr>
138 <tr>
139 <td class="paramkey"></td>
140 <td></td>
141 <td class="paramtype">uint&#160;</td>
142 <td class="paramname"><em>in_stride_x</em>, </td>
143 </tr>
144 <tr>
145 <td class="paramkey"></td>
146 <td></td>
147 <td class="paramtype">uint&#160;</td>
148 <td class="paramname"><em>in_step_x</em>, </td>
149 </tr>
150 <tr>
151 <td class="paramkey"></td>
152 <td></td>
153 <td class="paramtype">uint&#160;</td>
154 <td class="paramname"><em>in_stride_y</em>, </td>
155 </tr>
156 <tr>
157 <td class="paramkey"></td>
158 <td></td>
159 <td class="paramtype">uint&#160;</td>
160 <td class="paramname"><em>in_step_y</em>, </td>
161 </tr>
162 <tr>
163 <td class="paramkey"></td>
164 <td></td>
165 <td class="paramtype">uint&#160;</td>
166 <td class="paramname"><em>in_offset_first_element_in_bytes</em>, </td>
167 </tr>
168 <tr>
169 <td class="paramkey"></td>
170 <td></td>
171 <td class="paramtype">__global uchar *&#160;</td>
172 <td class="paramname"><em>out_ptr</em>, </td>
173 </tr>
174 <tr>
175 <td class="paramkey"></td>
176 <td></td>
177 <td class="paramtype">uint&#160;</td>
178 <td class="paramname"><em>out_stride_x</em>, </td>
179 </tr>
180 <tr>
181 <td class="paramkey"></td>
182 <td></td>
183 <td class="paramtype">uint&#160;</td>
184 <td class="paramname"><em>out_step_x</em>, </td>
185 </tr>
186 <tr>
187 <td class="paramkey"></td>
188 <td></td>
189 <td class="paramtype">uint&#160;</td>
190 <td class="paramname"><em>out_stride_y</em>, </td>
191 </tr>
192 <tr>
193 <td class="paramkey"></td>
194 <td></td>
195 <td class="paramtype">uint&#160;</td>
196 <td class="paramname"><em>out_step_y</em>, </td>
197 </tr>
198 <tr>
199 <td class="paramkey"></td>
200 <td></td>
201 <td class="paramtype">uint&#160;</td>
202 <td class="paramname"><em>out_offset_first_element_in_bytes</em>, </td>
203 </tr>
204 <tr>
205 <td class="paramkey"></td>
206 <td></td>
207 <td class="paramtype">const float&#160;</td>
208 <td class="paramname"><em>input_width</em>, </td>
209 </tr>
210 <tr>
211 <td class="paramkey"></td>
212 <td></td>
213 <td class="paramtype">const float&#160;</td>
214 <td class="paramname"><em>input_height</em>, </td>
215 </tr>
216 <tr>
217 <td class="paramkey"></td>
218 <td></td>
219 <td class="paramtype">const float&#160;</td>
Kaizen8938bd32017-09-28 14:38:23 +0100[diff] [blame]220 <td class="paramname"><em>scale_x</em>, </td>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]221 </tr>
222 <tr>
223 <td class="paramkey"></td>
224 <td></td>
225 <td class="paramtype">const float&#160;</td>
Kaizen8938bd32017-09-28 14:38:23 +0100[diff] [blame]226 <td class="paramname"><em>scale_y</em>&#160;</td>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]227 </tr>
228 <tr>
229 <td></td>
230 <td>)</td>
231 <td></td><td></td>
232 </tr>
233 </table>
234</div><div class="memdoc">
235
236<p>Performs an affine transformation on an image interpolating with the BILINEAR method. </p>
Anthony Barbier8140e1e2017-12-14 23:48:46 +0000[diff] [blame]237<dl class="section note"><dt>Note</dt><dd>Sampling policy to used is passed as -DSAMPLING_POLICY_(TYPE) e.g. -DSAMPLING_POLICY_TOP_LEFT</dd></dl>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]238<dl class="params"><dt>Parameters</dt><dd>
239 <table class="params">
240 <tr><td class="paramdir">[in]</td><td class="paramname">in_ptr</td><td>Pointer to the source image. Supported data types: U8, S16. </td></tr>
241 <tr><td class="paramdir">[in]</td><td class="paramname">in_stride_x</td><td>Stride of the source image in X dimension (in bytes) </td></tr>
242 <tr><td class="paramdir">[in]</td><td class="paramname">in_step_x</td><td>src_stride_x * number of elements along X processed per workitem(in bytes) </td></tr>
243 <tr><td class="paramdir">[in]</td><td class="paramname">in_stride_y</td><td>Stride of the source image in Y dimension (in bytes) </td></tr>
244 <tr><td class="paramdir">[in]</td><td class="paramname">in_step_y</td><td>src_stride_y * number of elements along Y processed per workitem(in bytes) </td></tr>
245 <tr><td class="paramdir">[in]</td><td class="paramname">in_offset_first_element_in_bytes</td><td>The offset of the first element in the source image </td></tr>
246 <tr><td class="paramdir">[out]</td><td class="paramname">out_ptr</td><td>Pointer to the destination image. Supported data types: U8, S16. (Must be the same as the input) </td></tr>
247 <tr><td class="paramdir">[in]</td><td class="paramname">out_stride_x</td><td>Stride of the destination image in X dimension (in bytes) </td></tr>
248 <tr><td class="paramdir">[in]</td><td class="paramname">out_step_x</td><td>dst_stride_x * number of elements along X processed per workitem(in bytes) </td></tr>
249 <tr><td class="paramdir">[in]</td><td class="paramname">out_stride_y</td><td>Stride of the destination image in Y dimension (in bytes) </td></tr>
250 <tr><td class="paramdir">[in]</td><td class="paramname">out_step_y</td><td>dst_stride_y * number of elements along Y processed per workitem(in bytes) </td></tr>
251 <tr><td class="paramdir">[in]</td><td class="paramname">out_offset_first_element_in_bytes</td><td>The offset of the first element in the destination image </td></tr>
252 <tr><td class="paramdir">[in]</td><td class="paramname">input_width</td><td>Input image width </td></tr>
253 <tr><td class="paramdir">[in]</td><td class="paramname">input_height</td><td>Input image height </td></tr>
Kaizen8938bd32017-09-28 14:38:23 +0100[diff] [blame]254 <tr><td class="paramdir">[in]</td><td class="paramname">scale_x</td><td>The scale factor along x dimension </td></tr>
255 <tr><td class="paramdir">[in]</td><td class="paramname">scale_y</td><td>The scale factor along y dimension </td></tr>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]256 </table>
257 </dd>
258</dl>
259
Jenkins975dfe12019-09-02 11:47:54 +0100[diff] [blame]260<p class="definition">Definition at line <a class="el" href="scale_8cl_source.xhtml#l00131">131</a> of file <a class="el" href="scale_8cl_source.xhtml">scale.cl</a>.</p>
Jenkins0e205f72019-11-28 16:53:35 +0000[diff] [blame^]261<div class="fragment"><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160;{</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160; <a class="code" href="struct_image.xhtml">Image</a> in = <a class="code" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#a4334a4a76f8e9628c0fb9e1acf616e2a">CONVERT_TO_IMAGE_STRUCT_NO_STEP</a>(in);</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160; <a class="code" href="struct_image.xhtml">Image</a> out = <a class="code" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(out);</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160; <span class="keyword">const</span> float2 r = (float2)(scale_x, scale_y);</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160; <span class="keyword">const</span> float8 tc = <a class="code" href="scale_8cl.xhtml#a1990e87858b15b8fce3f63965fb9b86c">transform_bilinear</a>(<a class="code" href="warp__helpers_8h.xhtml#a4caaeeb51ea58015267a9974675226d1">get_current_coords</a>(), r);</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160; vstore4(<a class="code" href="warp__helpers_8h.xhtml#a8eda58d341afa44da00ebf47f9349499">bilinear_interpolate_with_border</a>(&amp;in, tc, input_width, input_height, BORDER_SIZE), 0, (__global <a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> *)out.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>);</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>&#160;}</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>
Jenkinsb9abeae2018-11-22 11:58:08 +0000[diff] [blame]262<div class="ttc" id="convolution3x3_8cl_xhtml_afb8c72ce35c4a1f4a2588d6573e54aa1"><div class="ttname"><a href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a></div><div class="ttdeci">#define DATA_TYPE</div><div class="ttdef"><b>Definition:</b> <a href="convolution3x3_8cl_source.xhtml#l00027">convolution3x3.cl:27</a></div></div>
263<div class="ttc" id="warp__helpers_8h_xhtml_a8eda58d341afa44da00ebf47f9349499"><div class="ttname"><a href="warp__helpers_8h.xhtml#a8eda58d341afa44da00ebf47f9349499">bilinear_interpolate_with_border</a></div><div class="ttdeci">const DATA_TYPE4 bilinear_interpolate_with_border(const Image *in, const float8 coords, const float width, const float height, const float border_size)</div><div class="ttdoc">Computes the bilinear interpolation for each set of coordinates in the vector coords and returns the ...</div><div class="ttdef"><b>Definition:</b> <a href="warp__helpers_8h_source.xhtml#l00095">warp_helpers.h:95</a></div></div>
Jenkins0e205f72019-11-28 16:53:35 +0000[diff] [blame^]264<div class="ttc" id="src_2core_2_c_l_2cl__kernels_2_helpers_8h_xhtml_a4334a4a76f8e9628c0fb9e1acf616e2a"><div class="ttname"><a href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#a4334a4a76f8e9628c0fb9e1acf616e2a">CONVERT_TO_IMAGE_STRUCT_NO_STEP</a></div><div class="ttdeci">#define CONVERT_TO_IMAGE_STRUCT_NO_STEP(name)</div><div class="ttdef"><b>Definition:</b> <a href="src_2core_2_c_l_2cl__kernels_2_helpers_8h_source.xhtml#l00314">helpers.h:314</a></div></div>
Jenkins975dfe12019-09-02 11:47:54 +0100[diff] [blame]265<div class="ttc" id="scale_8cl_xhtml_a1990e87858b15b8fce3f63965fb9b86c"><div class="ttname"><a href="scale_8cl.xhtml#a1990e87858b15b8fce3f63965fb9b86c">transform_bilinear</a></div><div class="ttdeci">const float8 transform_bilinear(const float2 coord, const float2 scale)</div><div class="ttdoc">Transforms four 2D coordinates.</div><div class="ttdef"><b>Definition:</b> <a href="scale_8cl_source.xhtml#l00058">scale.cl:58</a></div></div>
Jenkins0e205f72019-11-28 16:53:35 +0000[diff] [blame^]266<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>
267<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>
Jenkins514be652019-02-28 12:25:18 +0000[diff] [blame]268<div class="ttc" id="warp__helpers_8h_xhtml_a4caaeeb51ea58015267a9974675226d1"><div class="ttname"><a href="warp__helpers_8h.xhtml#a4caaeeb51ea58015267a9974675226d1">get_current_coords</a></div><div class="ttdeci">const float2 get_current_coords()</div><div class="ttdoc">Returns the current thread coordinates.</div><div class="ttdef"><b>Definition:</b> <a href="warp__helpers_8h_source.xhtml#l00068">warp_helpers.h:68</a></div></div>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]269</div><!-- fragment -->
Jenkins0e205f72019-11-28 16:53:35 +0000[diff] [blame^]270<p class="reference">References <a class="el" href="warp__helpers_8h_source.xhtml#l00095">bilinear_interpolate_with_border()</a>, <a class="el" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h_source.xhtml#l00311">CONVERT_TO_IMAGE_STRUCT</a>, <a class="el" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h_source.xhtml#l00314">CONVERT_TO_IMAGE_STRUCT_NO_STEP</a>, <a class="el" href="convolution3x3_8cl_source.xhtml#l00027">DATA_TYPE</a>, <a class="el" href="warp__helpers_8h_source.xhtml#l00068">get_current_coords()</a>, <a class="el" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h_source.xhtml#l00351">Image::ptr</a>, and <a class="el" href="scale_8cl_source.xhtml#l00058">transform_bilinear()</a>.</p>
Jenkinsb9abeae2018-11-22 11:58:08 +0000[diff] [blame]271
Jenkins52ba29e2018-08-29 15:32:11 +0000[diff] [blame]272</div>
273</div>
Jenkinsb9abeae2018-11-22 11:58:08 +0000[diff] [blame]274<a id="ab0d36306b50e1c7961dfa9337d73ecbb"></a>
275<h2 class="memtitle"><span class="permalink"><a href="#ab0d36306b50e1c7961dfa9337d73ecbb">&#9670;&nbsp;</a></span>scale_nearest_neighbour_nchw()</h2>
276
Jenkins52ba29e2018-08-29 15:32:11 +0000[diff] [blame]277<div class="memitem">
278<div class="memproto">
279 <table class="memname">
280 <tr>
281 <td class="memname">__kernel void scale_nearest_neighbour_nchw </td>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]282 <td>(</td>
283 <td class="paramtype">__global uchar *&#160;</td>
284 <td class="paramname"><em>in_ptr</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>in_stride_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>in_step_x</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>in_stride_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>in_step_y</em>, </td>
309 </tr>
310 <tr>
311 <td class="paramkey"></td>
312 <td></td>
313 <td class="paramtype">uint&#160;</td>
314 <td class="paramname"><em>in_offset_first_element_in_bytes</em>, </td>
315 </tr>
316 <tr>
317 <td class="paramkey"></td>
318 <td></td>
319 <td class="paramtype">__global uchar *&#160;</td>
320 <td class="paramname"><em>out_ptr</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>out_stride_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>out_step_x</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>out_stride_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>out_step_y</em>, </td>
345 </tr>
346 <tr>
347 <td class="paramkey"></td>
348 <td></td>
349 <td class="paramtype">uint&#160;</td>
350 <td class="paramname"><em>out_offset_first_element_in_bytes</em>, </td>
351 </tr>
352 <tr>
353 <td class="paramkey"></td>
354 <td></td>
355 <td class="paramtype">const float&#160;</td>
356 <td class="paramname"><em>input_width</em>, </td>
357 </tr>
358 <tr>
359 <td class="paramkey"></td>
360 <td></td>
361 <td class="paramtype">const float&#160;</td>
362 <td class="paramname"><em>input_height</em>, </td>
363 </tr>
364 <tr>
365 <td class="paramkey"></td>
366 <td></td>
367 <td class="paramtype">const float&#160;</td>
Kaizen8938bd32017-09-28 14:38:23 +0100[diff] [blame]368 <td class="paramname"><em>scale_x</em>, </td>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]369 </tr>
370 <tr>
371 <td class="paramkey"></td>
372 <td></td>
373 <td class="paramtype">const float&#160;</td>
Kaizen8938bd32017-09-28 14:38:23 +0100[diff] [blame]374 <td class="paramname"><em>scale_y</em>&#160;</td>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]375 </tr>
376 <tr>
377 <td></td>
378 <td>)</td>
379 <td></td><td></td>
380 </tr>
381 </table>
382</div><div class="memdoc">
383
384<p>Performs an affine transformation on an image interpolating with the NEAREAST NEIGHBOUR method. </p>
385<p>Input and output are single channel U8 or S16.</p>
Anthony Barbier8140e1e2017-12-14 23:48:46 +0000[diff] [blame]386<dl class="section note"><dt>Note</dt><dd>Sampling policy to used is passed as -DSAMPLING_POLICY_(TYPE) e.g. -DSAMPLING_POLICY_TOP_LEFT</dd></dl>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]387<dl class="params"><dt>Parameters</dt><dd>
388 <table class="params">
389 <tr><td class="paramdir">[in]</td><td class="paramname">in_ptr</td><td>Pointer to the source image. Supported data types: U8, S16. </td></tr>
390 <tr><td class="paramdir">[in]</td><td class="paramname">in_stride_x</td><td>Stride of the source image in X dimension (in bytes) </td></tr>
391 <tr><td class="paramdir">[in]</td><td class="paramname">in_step_x</td><td>src_stride_x * number of elements along X processed per workitem(in bytes) </td></tr>
392 <tr><td class="paramdir">[in]</td><td class="paramname">in_stride_y</td><td>Stride of the source image in Y dimension (in bytes) </td></tr>
393 <tr><td class="paramdir">[in]</td><td class="paramname">in_step_y</td><td>src_stride_y * number of elements along Y processed per workitem(in bytes) </td></tr>
394 <tr><td class="paramdir">[in]</td><td class="paramname">in_offset_first_element_in_bytes</td><td>The offset of the first element in the source image </td></tr>
395 <tr><td class="paramdir">[out]</td><td class="paramname">out_ptr</td><td>Pointer to the destination image. Supported data types: U8, S16. (Must be the same as the input) </td></tr>
396 <tr><td class="paramdir">[in]</td><td class="paramname">out_stride_x</td><td>Stride of the destination image in X dimension (in bytes) </td></tr>
397 <tr><td class="paramdir">[in]</td><td class="paramname">out_step_x</td><td>dst_stride_x * number of elements along X processed per workitem(in bytes) </td></tr>
398 <tr><td class="paramdir">[in]</td><td class="paramname">out_stride_y</td><td>Stride of the destination image in Y dimension (in bytes) </td></tr>
399 <tr><td class="paramdir">[in]</td><td class="paramname">out_step_y</td><td>dst_stride_y * number of elements along Y processed per workitem(in bytes) </td></tr>
400 <tr><td class="paramdir">[in]</td><td class="paramname">out_offset_first_element_in_bytes</td><td>The offset of the first element in the destination image </td></tr>
401 <tr><td class="paramdir">[in]</td><td class="paramname">input_width</td><td>Input image width </td></tr>
402 <tr><td class="paramdir">[in]</td><td class="paramname">input_height</td><td>Input image height </td></tr>
Kaizen8938bd32017-09-28 14:38:23 +0100[diff] [blame]403 <tr><td class="paramdir">[in]</td><td class="paramname">scale_x</td><td>The scale factor along x dimension </td></tr>
404 <tr><td class="paramdir">[in]</td><td class="paramname">scale_y</td><td>The scale factor along y dimension </td></tr>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]405 </table>
406 </dd>
407</dl>
408
Jenkins975dfe12019-09-02 11:47:54 +0100[diff] [blame]409<p class="definition">Definition at line <a class="el" href="scale_8cl_source.xhtml#l00095">95</a> of file <a class="el" href="scale_8cl_source.xhtml">scale.cl</a>.</p>
Jenkins0e205f72019-11-28 16:53:35 +0000[diff] [blame^]410<div class="fragment"><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160;{</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160; <a class="code" href="struct_image.xhtml">Image</a> in = <a class="code" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#a4334a4a76f8e9628c0fb9e1acf616e2a">CONVERT_TO_IMAGE_STRUCT_NO_STEP</a>(in);</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160; <a class="code" href="struct_image.xhtml">Image</a> out = <a class="code" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(out);</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160; <span class="keyword">const</span> float2 r = (float2)(scale_x, scale_y);</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160; <span class="keyword">const</span> float8 tc = <a class="code" href="warp__helpers_8h.xhtml#aaef9851523cbc6f833700f0eb572002b">clamp_to_border_with_size</a>(<a class="code" href="scale_8cl.xhtml#a55c710b814464d9b8982c4eb6ca04dee">transform_nearest</a>(<a class="code" href="warp__helpers_8h.xhtml#a4caaeeb51ea58015267a9974675226d1">get_current_coords</a>(), r), input_width, input_height, BORDER_SIZE);</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160; vstore4(<a class="code" href="warp__helpers_8h.xhtml#aba42442a4c991cdbb52727fa370676f1">read_texels4</a>(&amp;in, convert_int8(tc)), 0, (__global <a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> *)out.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>);</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160;}</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>
Jenkinsb9abeae2018-11-22 11:58:08 +0000[diff] [blame]411<div class="ttc" id="convolution3x3_8cl_xhtml_afb8c72ce35c4a1f4a2588d6573e54aa1"><div class="ttname"><a href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a></div><div class="ttdeci">#define DATA_TYPE</div><div class="ttdef"><b>Definition:</b> <a href="convolution3x3_8cl_source.xhtml#l00027">convolution3x3.cl:27</a></div></div>
Jenkins0e205f72019-11-28 16:53:35 +0000[diff] [blame^]412<div class="ttc" id="src_2core_2_c_l_2cl__kernels_2_helpers_8h_xhtml_a4334a4a76f8e9628c0fb9e1acf616e2a"><div class="ttname"><a href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#a4334a4a76f8e9628c0fb9e1acf616e2a">CONVERT_TO_IMAGE_STRUCT_NO_STEP</a></div><div class="ttdeci">#define CONVERT_TO_IMAGE_STRUCT_NO_STEP(name)</div><div class="ttdef"><b>Definition:</b> <a href="src_2core_2_c_l_2cl__kernels_2_helpers_8h_source.xhtml#l00314">helpers.h:314</a></div></div>
Jenkins514be652019-02-28 12:25:18 +0000[diff] [blame]413<div class="ttc" id="scale_8cl_xhtml_a55c710b814464d9b8982c4eb6ca04dee"><div class="ttname"><a href="scale_8cl.xhtml#a55c710b814464d9b8982c4eb6ca04dee">transform_nearest</a></div><div class="ttdeci">const float8 transform_nearest(const float2 coord, const float2 scale)</div><div class="ttdoc">Transforms four 2D coordinates.</div><div class="ttdef"><b>Definition:</b> <a href="scale_8cl_source.xhtml#l00034">scale.cl:34</a></div></div>
Jenkins0e205f72019-11-28 16:53:35 +0000[diff] [blame^]414<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>
415<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>
Jenkins514be652019-02-28 12:25:18 +0000[diff] [blame]416<div class="ttc" id="warp__helpers_8h_xhtml_aba42442a4c991cdbb52727fa370676f1"><div class="ttname"><a href="warp__helpers_8h.xhtml#aba42442a4c991cdbb52727fa370676f1">read_texels4</a></div><div class="ttdeci">const DATA_TYPE4 read_texels4(const Image *in, const int8 coords)</div><div class="ttdoc">Reads four texels from the input image.</div><div class="ttdef"><b>Definition:</b> <a href="warp__helpers_8h_source.xhtml#l00059">warp_helpers.h:59</a></div></div>
417<div class="ttc" id="warp__helpers_8h_xhtml_aaef9851523cbc6f833700f0eb572002b"><div class="ttname"><a href="warp__helpers_8h.xhtml#aaef9851523cbc6f833700f0eb572002b">clamp_to_border_with_size</a></div><div class="ttdeci">const float8 clamp_to_border_with_size(float8 coords, const float width, const float height, const float border_size)</div><div class="ttdoc">Clamps the given coordinates to the borders according to the border size.</div><div class="ttdef"><b>Definition:</b> <a href="warp__helpers_8h_source.xhtml#l00034">warp_helpers.h:34</a></div></div>
418<div class="ttc" id="warp__helpers_8h_xhtml_a4caaeeb51ea58015267a9974675226d1"><div class="ttname"><a href="warp__helpers_8h.xhtml#a4caaeeb51ea58015267a9974675226d1">get_current_coords</a></div><div class="ttdeci">const float2 get_current_coords()</div><div class="ttdoc">Returns the current thread coordinates.</div><div class="ttdef"><b>Definition:</b> <a href="warp__helpers_8h_source.xhtml#l00068">warp_helpers.h:68</a></div></div>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]419</div><!-- fragment -->
Jenkins0e205f72019-11-28 16:53:35 +0000[diff] [blame^]420<p class="reference">References <a class="el" href="warp__helpers_8h_source.xhtml#l00034">clamp_to_border_with_size()</a>, <a class="el" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h_source.xhtml#l00311">CONVERT_TO_IMAGE_STRUCT</a>, <a class="el" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h_source.xhtml#l00314">CONVERT_TO_IMAGE_STRUCT_NO_STEP</a>, <a class="el" href="convolution3x3_8cl_source.xhtml#l00027">DATA_TYPE</a>, <a class="el" href="warp__helpers_8h_source.xhtml#l00068">get_current_coords()</a>, <a class="el" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h_source.xhtml#l00351">Image::ptr</a>, <a class="el" href="warp__helpers_8h_source.xhtml#l00059">read_texels4()</a>, and <a class="el" href="scale_8cl_source.xhtml#l00034">transform_nearest()</a>.</p>
Jenkinsb9abeae2018-11-22 11:58:08 +0000[diff] [blame]421
Jenkins52ba29e2018-08-29 15:32:11 +0000[diff] [blame]422</div>
423</div>
Jenkinsb9abeae2018-11-22 11:58:08 +0000[diff] [blame]424<a id="a1990e87858b15b8fce3f63965fb9b86c"></a>
425<h2 class="memtitle"><span class="permalink"><a href="#a1990e87858b15b8fce3f63965fb9b86c">&#9670;&nbsp;</a></span>transform_bilinear()</h2>
426
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]427<div class="memitem">
428<div class="memproto">
429<table class="mlabels">
430 <tr>
431 <td class="mlabels-left">
432 <table class="memname">
433 <tr>
434 <td class="memname">const float8 transform_bilinear </td>
435 <td>(</td>
436 <td class="paramtype">const float2&#160;</td>
437 <td class="paramname"><em>coord</em>, </td>
438 </tr>
439 <tr>
440 <td class="paramkey"></td>
441 <td></td>
442 <td class="paramtype">const float2&#160;</td>
443 <td class="paramname"><em>scale</em>&#160;</td>
444 </tr>
445 <tr>
446 <td></td>
447 <td>)</td>
448 <td></td><td></td>
449 </tr>
450 </table>
451 </td>
452 <td class="mlabels-right">
453<span class="mlabels"><span class="mlabel">inline</span></span> </td>
454 </tr>
455</table>
456</div><div class="memdoc">
457
458<p>Transforms four 2D coordinates. </p>
459<p>This is used to map the output coordinates to the input coordinates.</p>
460<dl class="params"><dt>Parameters</dt><dd>
461 <table class="params">
462 <tr><td class="paramdir">[in]</td><td class="paramname">coord</td><td>2D coordinates to transform. </td></tr>
463 <tr><td class="paramdir">[in]</td><td class="paramname">scale</td><td>input/output scale ratio</td></tr>
464 </table>
465 </dd>
466</dl>
467<dl class="section return"><dt>Returns</dt><dd>a float8 containing 4 2D transformed values in the input image. </dd></dl>
468
Jenkins975dfe12019-09-02 11:47:54 +0100[diff] [blame]469<p class="definition">Definition at line <a class="el" href="scale_8cl_source.xhtml#l00058">58</a> of file <a class="el" href="scale_8cl_source.xhtml">scale.cl</a>.</p>
470<div class="fragment"><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="keyword">const</span> float4 in_x_coords = (float4)(coord.s0, 1 + coord.s0, 2 + coord.s0, 3 + coord.s0);</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160;<span class="preprocessor">#ifdef SAMPLING_POLICY_TOP_LEFT</span></div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160; <span class="keyword">const</span> float4 new_x = in_x_coords * (float4)(<a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#acec6d8ad52a28972fa74e071c1a63b6a">scale</a>.s0);</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160; <span class="keyword">const</span> float4 new_y = (float4)(coord.s1 * <a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#acec6d8ad52a28972fa74e071c1a63b6a">scale</a>.s1);</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160; <span class="keywordflow">return</span> (float8)(new_x.s0, new_y.s0, new_x.s1, new_y.s1, new_x.s2, new_y.s2, new_x.s3, new_y.s3);</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160;<span class="preprocessor">#elif SAMPLING_POLICY_CENTER</span></div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160; <span class="keyword">const</span> float4 new_x = (in_x_coords + ((float4)(0.5f))) * (float4)(<a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#acec6d8ad52a28972fa74e071c1a63b6a">scale</a>.s0) - (float4)(0.5f);</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160; <span class="keyword">const</span> float4 new_y = (float4)((coord.s1 + 0.5f) * <a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#acec6d8ad52a28972fa74e071c1a63b6a">scale</a>.s1 - 0.5f);</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160; <span class="keywordflow">return</span> (float8)(new_x.s0, new_y.s0, new_x.s1, new_y.s1, new_x.s2, new_y.s2, new_x.s3, new_y.s3);</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160;<span class="preprocessor">#else </span><span class="comment">/* SAMPLING_POLICY */</span><span class="preprocessor"></span></div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160;<span class="preprocessor">#error(&quot;Unsupported sampling policy&quot;);</span></div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160;<span class="preprocessor">#endif </span><span class="comment">/* SAMPLING_POLICY */</span><span class="preprocessor"></span></div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160;}</div><div class="ttc" id="namespacearm__compute_1_1test_1_1validation_xhtml_acec6d8ad52a28972fa74e071c1a63b6a"><div class="ttname"><a href="namespacearm__compute_1_1test_1_1validation.xhtml#acec6d8ad52a28972fa74e071c1a63b6a">arm_compute::test::validation::scale</a></div><div class="ttdeci">scale</div><div class="ttdef"><b>Definition:</b> <a href="_n_e_o_n_2_pixel_wise_multiplication_8cpp_source.xhtml#l00317">PixelWiseMultiplication.cpp:317</a></div></div>
Kaizen8938bd32017-09-28 14:38:23 +0100[diff] [blame]471</div><!-- fragment -->
Jenkins975dfe12019-09-02 11:47:54 +0100[diff] [blame]472<p class="reference">References <a class="el" href="_n_e_o_n_2_pixel_wise_multiplication_8cpp_source.xhtml#l00317">arm_compute::test::validation::scale</a>.</p>
Jenkins514be652019-02-28 12:25:18 +0000[diff] [blame]473
Jenkins975dfe12019-09-02 11:47:54 +0100[diff] [blame]474<p class="reference">Referenced by <a class="el" href="scale_8cl_source.xhtml#l00131">scale_bilinear_nchw()</a>.</p>
Jenkins514be652019-02-28 12:25:18 +0000[diff] [blame]475
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]476</div>
477</div>
Jenkinsb9abeae2018-11-22 11:58:08 +0000[diff] [blame]478<a id="a55c710b814464d9b8982c4eb6ca04dee"></a>
479<h2 class="memtitle"><span class="permalink"><a href="#a55c710b814464d9b8982c4eb6ca04dee">&#9670;&nbsp;</a></span>transform_nearest()</h2>
480
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]481<div class="memitem">
482<div class="memproto">
483<table class="mlabels">
484 <tr>
485 <td class="mlabels-left">
486 <table class="memname">
487 <tr>
488 <td class="memname">const float8 transform_nearest </td>
489 <td>(</td>
490 <td class="paramtype">const float2&#160;</td>
491 <td class="paramname"><em>coord</em>, </td>
492 </tr>
493 <tr>
494 <td class="paramkey"></td>
495 <td></td>
496 <td class="paramtype">const float2&#160;</td>
497 <td class="paramname"><em>scale</em>&#160;</td>
498 </tr>
499 <tr>
500 <td></td>
501 <td>)</td>
502 <td></td><td></td>
503 </tr>
504 </table>
505 </td>
506 <td class="mlabels-right">
507<span class="mlabels"><span class="mlabel">inline</span></span> </td>
508 </tr>
509</table>
510</div><div class="memdoc">
511
512<p>Transforms four 2D coordinates. </p>
513<p>This is used to map the output coordinates to the input coordinates.</p>
514<dl class="params"><dt>Parameters</dt><dd>
515 <table class="params">
516 <tr><td class="paramdir">[in]</td><td class="paramname">coord</td><td>2D coordinates to transform. </td></tr>
517 <tr><td class="paramdir">[in]</td><td class="paramname">scale</td><td>input/output scale ratio</td></tr>
518 </table>
519 </dd>
520</dl>
521<dl class="section return"><dt>Returns</dt><dd>a float8 containing 4 2D transformed values in the input image. </dd></dl>
522
Jenkinsb9abeae2018-11-22 11:58:08 +0000[diff] [blame]523<p class="definition">Definition at line <a class="el" href="scale_8cl_source.xhtml#l00034">34</a> of file <a class="el" href="scale_8cl_source.xhtml">scale.cl</a>.</p>
Jenkins975dfe12019-09-02 11:47:54 +0100[diff] [blame]524<div class="fragment"><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160;{</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160;<span class="preprocessor">#ifdef SAMPLING_POLICY_TOP_LEFT</span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160; <span class="keyword">const</span> float4 in_x_coords = (float4)(coord.s0, 1 + coord.s0, 2 + coord.s0, 3 + coord.s0);</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160; <span class="keyword">const</span> float4 new_x = in_x_coords * (float4)(<a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#acec6d8ad52a28972fa74e071c1a63b6a">scale</a>.s0);</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160; <span class="keyword">const</span> float4 new_y = (float4)(coord.s1 * <a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#acec6d8ad52a28972fa74e071c1a63b6a">scale</a>.s1);</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160; <span class="keywordflow">return</span> (float8)(new_x.s0, new_y.s0, new_x.s1, new_y.s1, new_x.s2, new_y.s2, new_x.s3, new_y.s3);</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160;<span class="preprocessor">#elif SAMPLING_POLICY_CENTER</span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160; <span class="keyword">const</span> float4 in_x_coords = (float4)(coord.s0, 1 + coord.s0, 2 + coord.s0, 3 + coord.s0);</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160; <span class="keyword">const</span> float4 new_x = (in_x_coords + ((float4)(0.5f))) * (float4)(<a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#acec6d8ad52a28972fa74e071c1a63b6a">scale</a>.s0);</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160; <span class="keyword">const</span> float4 new_y = (float4)((coord.s1 + 0.5f) * <a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#acec6d8ad52a28972fa74e071c1a63b6a">scale</a>.s1);</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160; <span class="keywordflow">return</span> (float8)(new_x.s0, new_y.s0, new_x.s1, new_y.s1, new_x.s2, new_y.s2, new_x.s3, new_y.s3);</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160;<span class="preprocessor">#else </span><span class="comment">/* SAMPLING_POLICY */</span><span class="preprocessor"></span></div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160;<span class="preprocessor">#error(&quot;Unsupported sampling policy&quot;);</span></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160;<span class="preprocessor">#endif </span><span class="comment">/* SAMPLING_POLICY */</span><span class="preprocessor"></span></div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160;}</div><div class="ttc" id="namespacearm__compute_1_1test_1_1validation_xhtml_acec6d8ad52a28972fa74e071c1a63b6a"><div class="ttname"><a href="namespacearm__compute_1_1test_1_1validation.xhtml#acec6d8ad52a28972fa74e071c1a63b6a">arm_compute::test::validation::scale</a></div><div class="ttdeci">scale</div><div class="ttdef"><b>Definition:</b> <a href="_n_e_o_n_2_pixel_wise_multiplication_8cpp_source.xhtml#l00317">PixelWiseMultiplication.cpp:317</a></div></div>
Kaizen8938bd32017-09-28 14:38:23 +0100[diff] [blame]525</div><!-- fragment -->
Jenkins975dfe12019-09-02 11:47:54 +0100[diff] [blame]526<p class="reference">References <a class="el" href="_n_e_o_n_2_pixel_wise_multiplication_8cpp_source.xhtml#l00317">arm_compute::test::validation::scale</a>.</p>
Jenkins514be652019-02-28 12:25:18 +0000[diff] [blame]527
Jenkins975dfe12019-09-02 11:47:54 +0100[diff] [blame]528<p class="reference">Referenced by <a class="el" href="scale_8cl_source.xhtml#l00095">scale_nearest_neighbour_nchw()</a>.</p>
Jenkins514be652019-02-28 12:25:18 +0000[diff] [blame]529
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]530</div>
531</div>
532</div><!-- contents -->
533</div><!-- doc-content -->
534<!-- start footer part -->
535<div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
536 <ul>
Anthony Barbier8140e1e2017-12-14 23:48:46 +0000[diff] [blame]537 <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="scale_8cl.xhtml">scale.cl</a></li>
Jenkins0e205f72019-11-28 16:53:35 +0000[diff] [blame^]538 <li class="footer">Generated on Thu Nov 28 2019 16:53:07 for Compute Library by
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]539 <a href="http://www.doxygen.org/index.html">
Jenkins514be652019-02-28 12:25:18 +0000[diff] [blame]540 <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.15 </li>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]541 </ul>
542</div>
543</body>
544</html>