| <!-- HTML header for doxygen 1.8.9.1--> |
| <!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 1.8.11"/> |
| <meta name="robots" content="NOINDEX, NOFOLLOW" /> <!-- Prevent indexing by search engines --> |
| <title>Compute Library: src/core/CL/cl_kernels/arithmetic_op.cl File Reference</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"> |
| $(document).ready(initResizable); |
| $(window).load(resizeHeight); |
| </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/javascript"> |
| $(document).ready(function() { init_search(); }); |
| </script> |
| <script type="text/x-mathjax-config"> |
| MathJax.Hub.Config({ |
| extensions: ["tex2jax.js"], |
| jax: ["input/TeX","output/HTML-CSS"], |
| }); |
| </script><script type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js"></script> |
| <link href="doxygen.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;"> |
| <td style="padding-left: 0.5em;"> |
| <div id="projectname">Compute Library |
|  <span id="projectnumber">v17.06</span> |
| </div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </div> |
| <!-- end header part --> |
| <!-- Generated by Doxygen 1.8.11 --> |
| <script type="text/javascript"> |
| var searchBox = new SearchBox("searchBox", "search",false,'Search'); |
| </script> |
| <div id="navrow1" class="tabs"> |
| <ul class="tablist"> |
| <li><a href="index.xhtml"><span>Main Page</span></a></li> |
| <li><a href="pages.xhtml"><span>Related Pages</span></a></li> |
| <li><a href="namespaces.xhtml"><span>Namespaces</span></a></li> |
| <li><a href="annotated.xhtml"><span>Data Structures</span></a></li> |
| <li class="current"><a href="files.xhtml"><span>Files</span></a></li> |
| <li> |
| <div id="MSearchBox" class="MSearchBoxInactive"> |
| <span class="left"> |
| <img id="MSearchSelect" src="search/mag_sel.png" |
| onmouseover="return searchBox.OnSearchSelectShow()" |
| onmouseout="return searchBox.OnSearchSelectHide()" |
| alt=""/> |
| <input type="text" id="MSearchField" value="Search" accesskey="S" |
| onfocus="searchBox.OnSearchFieldFocus(true)" |
| onblur="searchBox.OnSearchFieldFocus(false)" |
| onkeyup="searchBox.OnSearchFieldChange(event)"/> |
| </span><span class="right"> |
| <a id="MSearchClose" href="javascript:searchBox.CloseResultsWindow()"><img id="MSearchCloseImg" border="0" src="search/close.png" alt=""/></a> |
| </span> |
| </div> |
| </li> |
| </ul> |
| </div> |
| <div id="navrow2" class="tabs2"> |
| <ul class="tablist"> |
| <li><a href="files.xhtml"><span>File List</span></a></li> |
| <li><a href="globals.xhtml"><span>Globals</span></a></li> |
| </ul> |
| </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"> |
| $(document).ready(function(){initNavTree('arithmetic__op_8cl.xhtml','');}); |
| </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="summary"> |
| <a href="#define-members">Macros</a> | |
| <a href="#func-members">Functions</a> </div> |
| <div class="headertitle"> |
| <div class="title">arithmetic_op.cl File Reference</div> </div> |
| </div><!--header--> |
| <div class="contents"> |
| <div class="textblock"><code>#include "<a class="el" href="helpers_8h_source.xhtml">helpers.h</a>"</code><br /> |
| </div> |
| <p><a href="arithmetic__op_8cl_source.xhtml">Go to the source code of this file.</a></p> |
| <table class="memberdecls"> |
| <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="define-members"></a> |
| Macros</h2></td></tr> |
| <tr class="memitem:af3b709fb668cf93ca09e2a46a2a031a8"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="arithmetic__op_8cl.xhtml#af3b709fb668cf93ca09e2a46a2a031a8">ADD</a>(x, y)   (x) + (y)</td></tr> |
| <tr class="separator:af3b709fb668cf93ca09e2a46a2a031a8"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:aafc2c4f262a0686c07f86c7d2e1d8d14"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="arithmetic__op_8cl.xhtml#aafc2c4f262a0686c07f86c7d2e1d8d14">SUB</a>(x, y)   (x) - (y)</td></tr> |
| <tr class="separator:aafc2c4f262a0686c07f86c7d2e1d8d14"><td class="memSeparator" colspan="2"> </td></tr> |
| </table><table class="memberdecls"> |
| <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a> |
| Functions</h2></td></tr> |
| <tr class="memitem:a3e7b06c866bbf410b0c4ec80a73084a9"><td class="memItemLeft" align="right" valign="top">__kernel void </td><td class="memItemRight" valign="bottom"><a class="el" href="arithmetic__op_8cl.xhtml#a3e7b06c866bbf410b0c4ec80a73084a9">arithmetic_add</a> (__global uchar *in1_ptr, uint in1_stride_x, uint in1_step_x, uint in1_stride_y, uint in1_step_y, uint in1_offset_first_element_in_bytes, __global uchar *in2_ptr, uint in2_stride_x, uint in2_step_x, uint in2_stride_y, uint in2_step_y, uint in2_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)</td></tr> |
| <tr class="memdesc:a3e7b06c866bbf410b0c4ec80a73084a9"><td class="mdescLeft"> </td><td class="mdescRight">This function add two images. <a href="#a3e7b06c866bbf410b0c4ec80a73084a9">More...</a><br /></td></tr> |
| <tr class="separator:a3e7b06c866bbf410b0c4ec80a73084a9"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a9524adc496c5155e4215068005ac6da5"><td class="memItemLeft" align="right" valign="top">__kernel void </td><td class="memItemRight" valign="bottom"><a class="el" href="arithmetic__op_8cl.xhtml#a9524adc496c5155e4215068005ac6da5">arithmetic_sub</a> (__global uchar *in1_ptr, uint in1_stride_x, uint in1_step_x, uint in1_stride_y, uint in1_step_y, uint in1_offset_first_element_in_bytes, __global uchar *in2_ptr, uint in2_stride_x, uint in2_step_x, uint in2_stride_y, uint in2_step_y, uint in2_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)</td></tr> |
| <tr class="memdesc:a9524adc496c5155e4215068005ac6da5"><td class="mdescLeft"> </td><td class="mdescRight">This function subtracts one image from another. <a href="#a9524adc496c5155e4215068005ac6da5">More...</a><br /></td></tr> |
| <tr class="separator:a9524adc496c5155e4215068005ac6da5"><td class="memSeparator" colspan="2"> </td></tr> |
| </table> |
| <h2 class="groupheader">Macro Definition Documentation</h2> |
| <a class="anchor" id="af3b709fb668cf93ca09e2a46a2a031a8"></a> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">#define ADD</td> |
| <td>(</td> |
| <td class="paramtype"> </td> |
| <td class="paramname">x, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype"> </td> |
| <td class="paramname">y </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td>)</td> |
| <td></td><td>   (x) + (y)</td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| <p>Definition at line <a class="el" href="arithmetic__op_8cl_source.xhtml#l00030">30</a> of file <a class="el" href="arithmetic__op_8cl_source.xhtml">arithmetic_op.cl</a>.</p> |
| |
| <p>Referenced by <a class="el" href="arithmetic__op_8cl_source.xhtml#l00059">arithmetic_add()</a>.</p> |
| |
| </div> |
| </div> |
| <a class="anchor" id="aafc2c4f262a0686c07f86c7d2e1d8d14"></a> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">#define SUB</td> |
| <td>(</td> |
| <td class="paramtype"> </td> |
| <td class="paramname">x, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype"> </td> |
| <td class="paramname">y </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td>)</td> |
| <td></td><td>   (x) - (y)</td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| <p>Definition at line <a class="el" href="arithmetic__op_8cl_source.xhtml#l00031">31</a> of file <a class="el" href="arithmetic__op_8cl_source.xhtml">arithmetic_op.cl</a>.</p> |
| |
| <p>Referenced by <a class="el" href="arithmetic__op_8cl_source.xhtml#l00104">arithmetic_sub()</a>.</p> |
| |
| </div> |
| </div> |
| <h2 class="groupheader">Function Documentation</h2> |
| <a class="anchor" id="a3e7b06c866bbf410b0c4ec80a73084a9"></a> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">__kernel void arithmetic_add </td> |
| <td>(</td> |
| <td class="paramtype">__global uchar * </td> |
| <td class="paramname"><em>in1_ptr</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>in1_stride_x</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>in1_step_x</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>in1_stride_y</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>in1_step_y</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>in1_offset_first_element_in_bytes</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">__global uchar * </td> |
| <td class="paramname"><em>in2_ptr</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>in2_stride_x</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>in2_step_x</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>in2_stride_y</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>in2_step_y</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>in2_offset_first_element_in_bytes</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">__global uchar * </td> |
| <td class="paramname"><em>out_ptr</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>out_stride_x</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>out_step_x</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>out_stride_y</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>out_step_y</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>out_offset_first_element_in_bytes</em> </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td>)</td> |
| <td></td><td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| <p>This function add two images. </p> |
| <dl class="section attention"><dt>Attention</dt><dd>The input and output data_types need to be passed at compile time using -DDATA_TYPE_IN1, -DDATA_TYPE_IN2 and -DDATA_TYPE_OUT: e.g. -DDATA_TYPE_IN1=uchar -DDATA_TYPE_IN2=uchar -DDATA_TYPE_OUT=short </dd> |
| <dd> |
| To perform saturating operation -DSATURATE has to be passed to the compiler otherwise wrapping policy will be used.</dd></dl> |
| <dl class="params"><dt>Parameters</dt><dd> |
| <table class="params"> |
| <tr><td class="paramdir">[in]</td><td class="paramname">in1_ptr</td><td>Pointer to the source image. Supported data types: U8, S16 </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">in1_stride_x</td><td>Stride of the source image in X dimension (in bytes) </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">in1_step_x</td><td>in1_stride_x * number of elements along X processed per workitem(in bytes) </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">in1_stride_y</td><td>Stride of the source image in Y dimension (in bytes) </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">in1_step_y</td><td>in1_stride_y * number of elements along Y processed per workitem(in bytes) </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">in1_offset_first_element_in_bytes</td><td>The offset of the first element in the source image </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">in2_ptr</td><td>Pointer to the source image. Supported data types: U8, S16 </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">in2_stride_x</td><td>Stride of the source image in X dimension (in bytes) </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">in2_step_x</td><td>in2_stride_x * number of elements along X processed per workitem(in bytes) </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">in2_stride_y</td><td>Stride of the source image in Y dimension (in bytes) </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">in2_step_y</td><td>in2_stride_y * number of elements along Y processed per workitem(in bytes) </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">in2_offset_first_element_in_bytes</td><td>The offset of the first element in the source image </td></tr> |
| <tr><td class="paramdir">[out]</td><td class="paramname">out_ptr</td><td>Pointer to the destination image. Supported data types: U8, S16 </td></tr> |
| <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> |
| <tr><td class="paramdir">[in]</td><td class="paramname">out_step_x</td><td>out_stride_x * number of elements along X processed per workitem(in bytes) </td></tr> |
| <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> |
| <tr><td class="paramdir">[in]</td><td class="paramname">out_step_y</td><td>out_stride_y * number of elements along Y processed per workitem(in bytes) </td></tr> |
| <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> |
| </table> |
| </dd> |
| </dl> |
| |
| <p>Definition at line <a class="el" href="arithmetic__op_8cl_source.xhtml#l00059">59</a> of file <a class="el" href="arithmetic__op_8cl_source.xhtml">arithmetic_op.cl</a>.</p> |
| |
| <p>References <a class="el" href="arithmetic__op_8cl_source.xhtml#l00030">ADD</a>, <a class="el" href="helpers_8h_source.xhtml#l00035">CONVERT</a>, <a class="el" href="helpers_8h_source.xhtml#l00073">CONVERT_TO_IMAGE_STRUCT</a>, <a class="el" href="convolution3x3_8cl_source.xhtml#l00031">DATA_TYPE_OUT</a>, <a class="el" href="helpers_8h_source.xhtml#l00097">Image::ptr</a>, and <a class="el" href="helpers_8h_source.xhtml#l00032">VEC_DATA_TYPE</a>.</p> |
| <div class="fragment"><div class="line"><a name="l00063"></a><span class="lineno"> 63</span> {</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="comment">// Get pixels pointer</span></div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <a class="code" href="struct_image.xhtml">Image</a> in1 = <a class="code" href="helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(in1);</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <a class="code" href="struct_image.xhtml">Image</a> in2 = <a class="code" href="helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(in2);</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <a class="code" href="struct_image.xhtml">Image</a> out = <a class="code" href="helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(out);</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span> </div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="comment">// Load values</span></div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <a class="code" href="helpers_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(<a class="code" href="convolution3x3_8cl.xhtml#ac06f3e24d3fffd3c465d8b2a6e7c985e">DATA_TYPE_OUT</a>, 16)</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  in_a = <a class="code" href="helpers_8h.xhtml#aa8d95ba04fc73845abc6045952cae5be">CONVERT</a>(vload16(0, (__global DATA_TYPE_IN1 *)in1.ptr), <a class="code" href="helpers_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(<a class="code" href="convolution3x3_8cl.xhtml#ac06f3e24d3fffd3c465d8b2a6e7c985e">DATA_TYPE_OUT</a>, 16));</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <a class="code" href="helpers_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(DATA_TYPE_OUT, 16)</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  in_b = <a class="code" href="helpers_8h.xhtml#aa8d95ba04fc73845abc6045952cae5be">CONVERT</a>(vload16(0, (__global DATA_TYPE_IN2 *)in2.ptr), <a class="code" href="helpers_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(DATA_TYPE_OUT, 16));</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span> </div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="comment">// Calculate and store result</span></div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  vstore16(<a class="code" href="arithmetic__op_8cl.xhtml#af3b709fb668cf93ca09e2a46a2a031a8">ADD</a>(in_a, in_b), 0, (__global DATA_TYPE_OUT *)out.ptr);</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span> }</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> |
| <div class="ttc" id="helpers_8h_xhtml_a36f754c05b6fddf6df0d8d0a74f8159f"><div class="ttname"><a href="helpers_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a></div><div class="ttdeci">#define VEC_DATA_TYPE(type, size)</div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00032">helpers.h:32</a></div></div> |
| <div class="ttc" id="arithmetic__op_8cl_xhtml_af3b709fb668cf93ca09e2a46a2a031a8"><div class="ttname"><a href="arithmetic__op_8cl.xhtml#af3b709fb668cf93ca09e2a46a2a031a8">ADD</a></div><div class="ttdeci">#define ADD(x, y)</div><div class="ttdef"><b>Definition:</b> <a href="arithmetic__op_8cl_source.xhtml#l00030">arithmetic_op.cl:30</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="helpers_8h_source.xhtml#l00095">helpers.h:95</a></div></div> |
| <div class="ttc" id="convolution3x3_8cl_xhtml_ac06f3e24d3fffd3c465d8b2a6e7c985e"><div class="ttname"><a href="convolution3x3_8cl.xhtml#ac06f3e24d3fffd3c465d8b2a6e7c985e">DATA_TYPE_OUT</a></div><div class="ttdeci">#define DATA_TYPE_OUT</div><div class="ttdef"><b>Definition:</b> <a href="convolution3x3_8cl_source.xhtml#l00031">convolution3x3.cl:31</a></div></div> |
| <div class="ttc" id="helpers_8h_xhtml_aa8d95ba04fc73845abc6045952cae5be"><div class="ttname"><a href="helpers_8h.xhtml#aa8d95ba04fc73845abc6045952cae5be">CONVERT</a></div><div class="ttdeci">#define CONVERT(x, type)</div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00035">helpers.h:35</a></div></div> |
| </div><!-- fragment --> |
| </div> |
| </div> |
| <a class="anchor" id="a9524adc496c5155e4215068005ac6da5"></a> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">__kernel void arithmetic_sub </td> |
| <td>(</td> |
| <td class="paramtype">__global uchar * </td> |
| <td class="paramname"><em>in1_ptr</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>in1_stride_x</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>in1_step_x</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>in1_stride_y</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>in1_step_y</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>in1_offset_first_element_in_bytes</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">__global uchar * </td> |
| <td class="paramname"><em>in2_ptr</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>in2_stride_x</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>in2_step_x</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>in2_stride_y</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>in2_step_y</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>in2_offset_first_element_in_bytes</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">__global uchar * </td> |
| <td class="paramname"><em>out_ptr</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>out_stride_x</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>out_step_x</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>out_stride_y</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>out_step_y</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint </td> |
| <td class="paramname"><em>out_offset_first_element_in_bytes</em> </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td>)</td> |
| <td></td><td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| <p>This function subtracts one image from another. </p> |
| <dl class="section attention"><dt>Attention</dt><dd>The input and output data_types need to be passed at compile time using -DDATA_TYPE_IN1, -DDATA_TYPE_IN2 and -DDATA_TYPE_OUT: e.g. -DDATA_TYPE_IN1=uchar -DDATA_TYPE_IN2=uchar -DDATA_TYPE_OUT=short </dd> |
| <dd> |
| To perform saturating operation -DSATURATE has to be passed to the compiler otherwise wrapping policy will be used.</dd></dl> |
| <dl class="params"><dt>Parameters</dt><dd> |
| <table class="params"> |
| <tr><td class="paramdir">[in]</td><td class="paramname">in1_ptr</td><td>Pointer to the source image. Supported data types: U8, S16 </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">in1_stride_x</td><td>Stride of the source image in X dimension (in bytes) </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">in1_step_x</td><td>in1_stride_x * number of elements along X processed per workitem(in bytes) </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">in1_stride_y</td><td>Stride of the source image in Y dimension (in bytes) </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">in1_step_y</td><td>in1_stride_y * number of elements along Y processed per workitem(in bytes) </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">in1_offset_first_element_in_bytes</td><td>The offset of the first element in the source image </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">in2_ptr</td><td>Pointer to the source image. Supported data types: U8, S16 </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">in2_stride_x</td><td>Stride of the source image in X dimension (in bytes) </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">in2_step_x</td><td>in2_stride_x * number of elements along X processed per workitem(in bytes) </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">in2_stride_y</td><td>Stride of the source image in Y dimension (in bytes) </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">in2_step_y</td><td>in2_stride_y * number of elements along Y processed per workitem(in bytes) </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">in2_offset_first_element_in_bytes</td><td>The offset of the first element in the source image </td></tr> |
| <tr><td class="paramdir">[out]</td><td class="paramname">out_ptr</td><td>Pointer to the destination image. Supported data types: U8, S16 </td></tr> |
| <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> |
| <tr><td class="paramdir">[in]</td><td class="paramname">out_step_x</td><td>out_stride_x * number of elements along X processed per workitem(in bytes) </td></tr> |
| <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> |
| <tr><td class="paramdir">[in]</td><td class="paramname">out_step_y</td><td>out_stride_y * number of elements along Y processed per workitem(in bytes) </td></tr> |
| <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> |
| </table> |
| </dd> |
| </dl> |
| |
| <p>Definition at line <a class="el" href="arithmetic__op_8cl_source.xhtml#l00104">104</a> of file <a class="el" href="arithmetic__op_8cl_source.xhtml">arithmetic_op.cl</a>.</p> |
| |
| <p>References <a class="el" href="helpers_8h_source.xhtml#l00035">CONVERT</a>, <a class="el" href="helpers_8h_source.xhtml#l00073">CONVERT_TO_IMAGE_STRUCT</a>, <a class="el" href="convolution3x3_8cl_source.xhtml#l00031">DATA_TYPE_OUT</a>, <a class="el" href="helpers_8h_source.xhtml#l00097">Image::ptr</a>, <a class="el" href="arithmetic__op_8cl_source.xhtml#l00031">SUB</a>, and <a class="el" href="helpers_8h_source.xhtml#l00032">VEC_DATA_TYPE</a>.</p> |
| <div class="fragment"><div class="line"><a name="l00108"></a><span class="lineno"> 108</span> {</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="comment">// Get pixels pointer</span></div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <a class="code" href="struct_image.xhtml">Image</a> in1 = <a class="code" href="helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(in1);</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <a class="code" href="struct_image.xhtml">Image</a> in2 = <a class="code" href="helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(in2);</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <a class="code" href="struct_image.xhtml">Image</a> out = <a class="code" href="helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(out);</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span> </div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="comment">// Load values</span></div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <a class="code" href="helpers_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(<a class="code" href="convolution3x3_8cl.xhtml#ac06f3e24d3fffd3c465d8b2a6e7c985e">DATA_TYPE_OUT</a>, 16)</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  in_a = <a class="code" href="helpers_8h.xhtml#aa8d95ba04fc73845abc6045952cae5be">CONVERT</a>(vload16(0, (__global DATA_TYPE_IN1 *)in1.ptr), <a class="code" href="helpers_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(<a class="code" href="convolution3x3_8cl.xhtml#ac06f3e24d3fffd3c465d8b2a6e7c985e">DATA_TYPE_OUT</a>, 16));</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <a class="code" href="helpers_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(DATA_TYPE_OUT, 16)</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  in_b = <a class="code" href="helpers_8h.xhtml#aa8d95ba04fc73845abc6045952cae5be">CONVERT</a>(vload16(0, (__global DATA_TYPE_IN2 *)in2.ptr), <a class="code" href="helpers_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(DATA_TYPE_OUT, 16));</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span> </div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="comment">// Calculate and store result</span></div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  vstore16(<a class="code" href="arithmetic__op_8cl.xhtml#aafc2c4f262a0686c07f86c7d2e1d8d14">SUB</a>(in_a, in_b), 0, (__global DATA_TYPE_OUT *)out.ptr);</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span> }</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> |
| <div class="ttc" id="helpers_8h_xhtml_a36f754c05b6fddf6df0d8d0a74f8159f"><div class="ttname"><a href="helpers_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a></div><div class="ttdeci">#define VEC_DATA_TYPE(type, size)</div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00032">helpers.h:32</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="helpers_8h_source.xhtml#l00095">helpers.h:95</a></div></div> |
| <div class="ttc" id="arithmetic__op_8cl_xhtml_aafc2c4f262a0686c07f86c7d2e1d8d14"><div class="ttname"><a href="arithmetic__op_8cl.xhtml#aafc2c4f262a0686c07f86c7d2e1d8d14">SUB</a></div><div class="ttdeci">#define SUB(x, y)</div><div class="ttdef"><b>Definition:</b> <a href="arithmetic__op_8cl_source.xhtml#l00031">arithmetic_op.cl:31</a></div></div> |
| <div class="ttc" id="convolution3x3_8cl_xhtml_ac06f3e24d3fffd3c465d8b2a6e7c985e"><div class="ttname"><a href="convolution3x3_8cl.xhtml#ac06f3e24d3fffd3c465d8b2a6e7c985e">DATA_TYPE_OUT</a></div><div class="ttdeci">#define DATA_TYPE_OUT</div><div class="ttdef"><b>Definition:</b> <a href="convolution3x3_8cl_source.xhtml#l00031">convolution3x3.cl:31</a></div></div> |
| <div class="ttc" id="helpers_8h_xhtml_aa8d95ba04fc73845abc6045952cae5be"><div class="ttname"><a href="helpers_8h.xhtml#aa8d95ba04fc73845abc6045952cae5be">CONVERT</a></div><div class="ttdeci">#define CONVERT(x, type)</div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00035">helpers.h:35</a></div></div> |
| </div><!-- fragment --> |
| </div> |
| </div> |
| </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="arithmetic__op_8cl.xhtml">arithmetic_op.cl</a></li> |
| <li class="footer">Generated on Fri Jun 23 2017 15:44:34 for Compute Library by |
| <a href="http://www.doxygen.org/index.html"> |
| <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.11 </li> |
| </ul> |
| </div> |
| </body> |
| </html> |
