arm_compute v17.04
[platform/upstream/armcl.git] / documentation / dilate_8cl.xhtml
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43    &#160;<span id="projectnumber">17.04</span>
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114 <div class="header">
115   <div class="summary">
116 <a href="#func-members">Functions</a>  </div>
117   <div class="headertitle">
118 <div class="title">dilate.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="dilate_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:ae69f64c97993985f7623a252cf9fbe69"><td class="memItemLeft" align="right" valign="top">__kernel void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="dilate_8cl.xhtml#ae69f64c97993985f7623a252cf9fbe69">dilate</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)</td></tr>
128 <tr class="memdesc:ae69f64c97993985f7623a252cf9fbe69"><td class="mdescLeft">&#160;</td><td class="mdescRight">This function dilates an input image.  <a href="#ae69f64c97993985f7623a252cf9fbe69">More...</a><br /></td></tr>
129 <tr class="separator:ae69f64c97993985f7623a252cf9fbe69"><td class="memSeparator" colspan="2">&#160;</td></tr>
130 </table>
131 <h2 class="groupheader">Function Documentation</h2>
132 <a class="anchor" id="ae69f64c97993985f7623a252cf9fbe69"></a>
133 <div class="memitem">
134 <div class="memproto">
135       <table class="memname">
136         <tr>
137           <td class="memname">__kernel void dilate </td>
138           <td>(</td>
139           <td class="paramtype">__global uchar *&#160;</td>
140           <td class="paramname"><em>src_ptr</em>, </td>
141         </tr>
142         <tr>
143           <td class="paramkey"></td>
144           <td></td>
145           <td class="paramtype">uint&#160;</td>
146           <td class="paramname"><em>src_stride_x</em>, </td>
147         </tr>
148         <tr>
149           <td class="paramkey"></td>
150           <td></td>
151           <td class="paramtype">uint&#160;</td>
152           <td class="paramname"><em>src_step_x</em>, </td>
153         </tr>
154         <tr>
155           <td class="paramkey"></td>
156           <td></td>
157           <td class="paramtype">uint&#160;</td>
158           <td class="paramname"><em>src_stride_y</em>, </td>
159         </tr>
160         <tr>
161           <td class="paramkey"></td>
162           <td></td>
163           <td class="paramtype">uint&#160;</td>
164           <td class="paramname"><em>src_step_y</em>, </td>
165         </tr>
166         <tr>
167           <td class="paramkey"></td>
168           <td></td>
169           <td class="paramtype">uint&#160;</td>
170           <td class="paramname"><em>src_offset_first_element_in_bytes</em>, </td>
171         </tr>
172         <tr>
173           <td class="paramkey"></td>
174           <td></td>
175           <td class="paramtype">__global uchar *&#160;</td>
176           <td class="paramname"><em>dst_ptr</em>, </td>
177         </tr>
178         <tr>
179           <td class="paramkey"></td>
180           <td></td>
181           <td class="paramtype">uint&#160;</td>
182           <td class="paramname"><em>dst_stride_x</em>, </td>
183         </tr>
184         <tr>
185           <td class="paramkey"></td>
186           <td></td>
187           <td class="paramtype">uint&#160;</td>
188           <td class="paramname"><em>dst_step_x</em>, </td>
189         </tr>
190         <tr>
191           <td class="paramkey"></td>
192           <td></td>
193           <td class="paramtype">uint&#160;</td>
194           <td class="paramname"><em>dst_stride_y</em>, </td>
195         </tr>
196         <tr>
197           <td class="paramkey"></td>
198           <td></td>
199           <td class="paramtype">uint&#160;</td>
200           <td class="paramname"><em>dst_step_y</em>, </td>
201         </tr>
202         <tr>
203           <td class="paramkey"></td>
204           <td></td>
205           <td class="paramtype">uint&#160;</td>
206           <td class="paramname"><em>dst_offset_first_element_in_bytes</em>&#160;</td>
207         </tr>
208         <tr>
209           <td></td>
210           <td>)</td>
211           <td></td><td></td>
212         </tr>
213       </table>
214 </div><div class="memdoc">
215
216 <p>This function dilates an input image. </p>
217 <dl class="params"><dt>Parameters</dt><dd>
218   <table class="params">
219     <tr><td class="paramdir">[in]</td><td class="paramname">src_ptr</td><td>Pointer to the source image. Supported data types: U8 </td></tr>
220     <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>
221     <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>
222     <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>
223     <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>
224     <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>
225     <tr><td class="paramdir">[out]</td><td class="paramname">dst_ptr</td><td>Pointer to the destination image. Supported data types: U8 </td></tr>
226     <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>
227     <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>
228     <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>
229     <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>
230     <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>
231   </table>
232   </dd>
233 </dl>
234
235 <p>Definition at line <a class="el" href="dilate_8cl_source.xhtml#l00041">41</a> of file <a class="el" href="dilate_8cl_source.xhtml">dilate.cl</a>.</p>
236
237 <p>References <a class="el" href="helpers_8h_source.xhtml#l00073">CONVERT_TO_IMAGE_STRUCT</a>, <a class="el" href="helpers_8h_source.xhtml#l00201">offset()</a>, and <a class="el" href="helpers_8h_source.xhtml#l00097">Image::ptr</a>.</p>
238 <div class="fragment"><div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;{</div><div class="line"><a name="l00045"></a><span class="lineno">   45</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="l00046"></a><span class="lineno">   46</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="l00047"></a><span class="lineno">   47</span>&#160;</div><div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;    uchar16 top    = vload16(0, <a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(&amp;src, -1, -1));</div><div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;    uchar16 middle = vload16(0, <a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(&amp;src, -1, 0));</div><div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;    uchar16 bottom = vload16(0, <a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(&amp;src, -1, 1));</div><div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;</div><div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;    uchar16 tmp = max(top, max(middle, bottom));</div><div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;    uchar8  out = max(tmp.s01234567, max(tmp.s12345678, tmp.s23456789));</div><div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;</div><div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;    vstore8(out, 0, dst.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>);</div><div class="line"><a name="l00056"></a><span class="lineno">   56</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>
239 <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>
240 <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>
241 <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>
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