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gerrit-public.fairphone.software / platform / external / ComputeLibrary / 8a3da6f91f90c566b844d568f4ec43b946915af8 / . / documentation / fill__border_8cl.xhtml
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Anthony Barbierdbdab852017-06-23 15:42:00 +0100[diff] [blame]9<title>Compute Library: src/core/CL/cl_kernels/fill_border.cl File Reference</title>
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Anthony Barbierdbdab852017-06-23 15:42:00 +0100[diff] [blame]40 <div id="projectname">Compute Library
Kaizenbf8b01d2017-10-12 14:26:51 +0100[diff] [blame]41 &#160;<span id="projectnumber">17.10</span>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]42 </div>
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115<a href="#func-members">Functions</a> </div>
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117<div class="title">fill_border.cl File Reference</div> </div>
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119<div class="contents">
Kaizen8938bd32017-09-28 14:38:23 +0100[diff] [blame]120<div class="textblock"><code>#include &quot;<a class="el" href="helpers_8h_source.xhtml">helpers.h</a>&quot;</code><br/>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]121</div>
122<p><a href="fill__border_8cl_source.xhtml">Go to the source code of this file.</a></p>
123<table class="memberdecls">
124<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
125Functions</h2></td></tr>
Kaizen8938bd32017-09-28 14:38:23 +0100[diff] [blame]126<tr class="memitem:af6cd84a2130d14f272c407ce3f01e5ec"><td class="memItemLeft" align="right" valign="top">__kernel void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="fill__border_8cl.xhtml#af6cd84a2130d14f272c407ce3f01e5ec">fill_image_borders_replicate</a> (__global uchar *buf_ptr, uint buf_stride_x, uint buf_step_x, uint buf_stride_y, uint buf_step_y, uint buf_stride_z, uint buf_step_z, uint buf_offset_first_element_in_bytes, uint width, uint height, int2 start_pos)</td></tr>
127<tr class="memdesc:af6cd84a2130d14f272c407ce3f01e5ec"><td class="mdescLeft">&#160;</td><td class="mdescRight">Fill N pixel of the padding edge of a single channel image by replicating the closest valid pixel. <a href="#af6cd84a2130d14f272c407ce3f01e5ec">More...</a><br/></td></tr>
128<tr class="separator:af6cd84a2130d14f272c407ce3f01e5ec"><td class="memSeparator" colspan="2">&#160;</td></tr>
129<tr class="memitem:a940413b968167dc2d1a84810d5c99c02"><td class="memItemLeft" align="right" valign="top">__kernel void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="fill__border_8cl.xhtml#a940413b968167dc2d1a84810d5c99c02">fill_image_borders_constant</a> (__global uchar *buf_ptr, uint buf_stride_x, uint buf_step_x, uint buf_stride_y, uint buf_step_y, uint buf_stride_z, uint buf_step_z, uint buf_offset_first_element_in_bytes, uint width, uint height, int2 start_pos, <a class="el" href="convolution9x9_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> constant_value)</td></tr>
130<tr class="memdesc:a940413b968167dc2d1a84810d5c99c02"><td class="mdescLeft">&#160;</td><td class="mdescRight">Fill N pixels of the padding edge of a single channel image with a constant value. <a href="#a940413b968167dc2d1a84810d5c99c02">More...</a><br/></td></tr>
131<tr class="separator:a940413b968167dc2d1a84810d5c99c02"><td class="memSeparator" colspan="2">&#160;</td></tr>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]132</table>
133<h2 class="groupheader">Function Documentation</h2>
Kaizen8938bd32017-09-28 14:38:23 +0100[diff] [blame]134<a class="anchor" id="a940413b968167dc2d1a84810d5c99c02"></a>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]135<div class="memitem">
136<div class="memproto">
137 <table class="memname">
138 <tr>
139 <td class="memname">__kernel void fill_image_borders_constant </td>
140 <td>(</td>
141 <td class="paramtype">__global uchar *&#160;</td>
142 <td class="paramname"><em>buf_ptr</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>buf_stride_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>buf_step_x</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>buf_stride_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>buf_step_y</em>, </td>
167 </tr>
168 <tr>
169 <td class="paramkey"></td>
170 <td></td>
171 <td class="paramtype">uint&#160;</td>
Kaizen8938bd32017-09-28 14:38:23 +0100[diff] [blame]172 <td class="paramname"><em>buf_stride_z</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>buf_step_z</em>, </td>
179 </tr>
180 <tr>
181 <td class="paramkey"></td>
182 <td></td>
183 <td class="paramtype">uint&#160;</td>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]184 <td class="paramname"><em>buf_offset_first_element_in_bytes</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>width</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>height</em>, </td>
197 </tr>
198 <tr>
199 <td class="paramkey"></td>
200 <td></td>
201 <td class="paramtype">int2&#160;</td>
202 <td class="paramname"><em>start_pos</em>, </td>
203 </tr>
204 <tr>
205 <td class="paramkey"></td>
206 <td></td>
Kaizen8938bd32017-09-28 14:38:23 +0100[diff] [blame]207 <td class="paramtype"><a class="el" href="convolution9x9_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a>&#160;</td>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]208 <td class="paramname"><em>constant_value</em>&#160;</td>
209 </tr>
210 <tr>
211 <td></td>
212 <td>)</td>
213 <td></td><td></td>
214 </tr>
215 </table>
216</div><div class="memdoc">
217
218<p>Fill N pixels of the padding edge of a single channel image with a constant value. </p>
219<dl class="section attention"><dt>Attention</dt><dd>The DATA_TYPE needs to be passed at the compile time. e.g. -DDATA_TYPE=int</dd>
220<dd>
221The border size for top, bottom, left, right needs to be passed at the compile time. e.g. &ndash;DBORDER_SIZE_TOP=0 -DBORDER_SIZE_BOTTOM=2 -DBORDER_SIZE_LEFT=0 -DBORDER_SIZE_RIGHT=2</dd></dl>
222<dl class="params"><dt>Parameters</dt><dd>
223 <table class="params">
224 <tr><td class="paramdir">[out]</td><td class="paramname">buf_ptr</td><td>Pointer to the source image. Supported data types: U8, U16, S16, U32, S32, F32 </td></tr>
225 <tr><td class="paramdir">[in]</td><td class="paramname">buf_stride_x</td><td>Stride of the source image in X dimension (in bytes) </td></tr>
226 <tr><td class="paramdir">[in]</td><td class="paramname">buf_step_x</td><td>buf_stride_x * number of elements along X processed per workitem(in bytes) </td></tr>
227 <tr><td class="paramdir">[in]</td><td class="paramname">buf_stride_y</td><td>Stride of the source image in Y dimension (in bytes) </td></tr>
228 <tr><td class="paramdir">[in]</td><td class="paramname">buf_step_y</td><td>buf_stride_y * number of elements along Y processed per workitem(in bytes) </td></tr>
Kaizen8938bd32017-09-28 14:38:23 +0100[diff] [blame]229 <tr><td class="paramdir">[in]</td><td class="paramname">buf_stride_z</td><td>Stride between images if batching images (in bytes) </td></tr>
230 <tr><td class="paramdir">[in]</td><td class="paramname">buf_step_z</td><td>buf_stride_z * number of elements along Z processed per workitem(in bytes) </td></tr>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]231 <tr><td class="paramdir">[in]</td><td class="paramname">buf_offset_first_element_in_bytes</td><td>The offset of the first element in the source image </td></tr>
232 <tr><td class="paramdir">[in]</td><td class="paramname">width</td><td>Width of the valid region of the image </td></tr>
233 <tr><td class="paramdir">[in]</td><td class="paramname">height</td><td>Height of the valid region of the image </td></tr>
234 <tr><td class="paramdir">[in]</td><td class="paramname">start_pos</td><td>XY coordinate indicating the start point of the valid region </td></tr>
235 <tr><td class="paramdir">[in]</td><td class="paramname">constant_value</td><td>Constant value to use to fill the edges </td></tr>
236 </table>
237 </dd>
238</dl>
239
Kaizen8938bd32017-09-28 14:38:23 +0100[diff] [blame]240<p>Definition at line <a class="el" href="fill__border_8cl_source.xhtml#l00126">126</a> of file <a class="el" href="fill__border_8cl_source.xhtml">fill_border.cl</a>.</p>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]241
Kaizenbf8b01d2017-10-12 14:26:51 +0100[diff] [blame]242<p>References <a class="el" href="helpers_8h_source.xhtml#l00105">CONVERT_TENSOR3D_TO_IMAGE_STRUCT_NO_STEP</a>, <a class="el" href="convolution3x3_8cl_source.xhtml#l00027">DATA_TYPE</a>, <a class="el" href="helpers_8h_source.xhtml#l00295">offset()</a>, <a class="el" href="helpers_8h_source.xhtml#l00136">Image::ptr</a>, <a class="el" href="helpers_8h_source.xhtml#l00138">Image::stride_x</a>, and <a class="el" href="helpers_8h_source.xhtml#l00139">Image::stride_y</a>.</p>
Kaizen8938bd32017-09-28 14:38:23 +0100[diff] [blame]243<div class="fragment"><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160;{</div>
244<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160; <a class="code" href="struct_image.xhtml">Image</a> buf = <a class="code" href="helpers_8h.xhtml#a071aa45af973feac43b14f62e54a6fce">CONVERT_TENSOR3D_TO_IMAGE_STRUCT_NO_STEP</a>(buf);</div>
245<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160;</div>
246<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160; <span class="comment">// Update pointer to point to the starting point of the valid region</span></div>
247<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160; buf.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a> += start_pos.y * buf.<a class="code" href="struct_image.xhtml#a4f0b90c9ecd6e57ceb3f37332fefe8f1">stride_y</a> + start_pos.x * buf.<a class="code" href="struct_image.xhtml#ae01febbfd0689ef709f3ff6fdd2abc7e">stride_x</a>;</div>
248<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>&#160;</div>
249<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160; <span class="keyword">const</span> <span class="keywordtype">int</span> total_width = BORDER_SIZE_LEFT + width + BORDER_SIZE_RIGHT;</div>
250<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160; <span class="keyword">const</span> <span class="keywordtype">int</span> gid0 = get_global_id(0);</div>
251<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160; <span class="keyword">const</span> <span class="keywordtype">int</span> gidH = gid0 - total_width;</div>
252<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160; <span class="keyword">const</span> <span class="keywordtype">int</span> gidW = gid0 - BORDER_SIZE_LEFT;</div>
253<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160;</div>
254<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160; <span class="keywordflow">if</span>(gidH &gt;= 0)</div>
255<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>&#160; {</div>
256<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>&#160; <span class="comment">// Handle left border</span></div>
257<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160; <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i = -BORDER_SIZE_LEFT; i &lt; 0; ++i)</div>
258<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>&#160; {</div>
259<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>&#160; *(__global <a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> *)<a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(&amp;buf, i, gidH) = constant_value;</div>
260<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>&#160; }</div>
261<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>&#160; <span class="comment">// Handle right border</span></div>
262<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>&#160; <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i = 0; i &lt; BORDER_SIZE_RIGHT; ++i)</div>
263<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>&#160; {</div>
264<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>&#160; *(__global <a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> *)<a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(&amp;buf, width + i, gidH) = constant_value;</div>
265<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>&#160; }</div>
266<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>&#160; }</div>
267<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>&#160; <span class="keywordflow">else</span></div>
268<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>&#160; {</div>
269<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>&#160; <span class="comment">// Handle top border</span></div>
270<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>&#160; <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i = -BORDER_SIZE_TOP; i &lt; 0; ++i)</div>
271<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>&#160; {</div>
272<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>&#160; *(__global <a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> *)<a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(&amp;buf, gidW, i) = constant_value;</div>
273<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>&#160; }</div>
274<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>&#160; <span class="comment">// Handle bottom border</span></div>
275<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>&#160; <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i = 0; i &lt; BORDER_SIZE_BOTTOM; ++i)</div>
276<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>&#160; {</div>
277<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>&#160; *(__global <a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> *)<a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(&amp;buf, gidW, height + i) = constant_value;</div>
278<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>&#160; }</div>
279<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>&#160; }</div>
280<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>&#160;}</div>
Kaizenbf8b01d2017-10-12 14:26:51 +0100[diff] [blame]281<div class="ttc" id="helpers_8h_xhtml_a071aa45af973feac43b14f62e54a6fce"><div class="ttname"><a href="helpers_8h.xhtml#a071aa45af973feac43b14f62e54a6fce">CONVERT_TENSOR3D_TO_IMAGE_STRUCT_NO_STEP</a></div><div class="ttdeci">#define CONVERT_TENSOR3D_TO_IMAGE_STRUCT_NO_STEP(name)</div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00105">helpers.h:105</a></div></div>
Kaizen8938bd32017-09-28 14:38:23 +0100[diff] [blame]282<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>
Kaizenbf8b01d2017-10-12 14:26:51 +0100[diff] [blame]283<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#l00295">helpers.h:295</a></div></div>
284<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#l00134">helpers.h:134</a></div></div>
285<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#l00136">helpers.h:136</a></div></div>
286<div class="ttc" id="struct_image_xhtml_a4f0b90c9ecd6e57ceb3f37332fefe8f1"><div class="ttname"><a href="struct_image.xhtml#a4f0b90c9ecd6e57ceb3f37332fefe8f1">Image::stride_y</a></div><div class="ttdeci">int stride_y</div><div class="ttdoc">Stride of the image in Y dimension (in bytes) </div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00139">helpers.h:139</a></div></div>
287<div class="ttc" id="struct_image_xhtml_ae01febbfd0689ef709f3ff6fdd2abc7e"><div class="ttname"><a href="struct_image.xhtml#ae01febbfd0689ef709f3ff6fdd2abc7e">Image::stride_x</a></div><div class="ttdeci">int stride_x</div><div class="ttdoc">Stride of the image in X dimension (in bytes) </div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00138">helpers.h:138</a></div></div>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]288</div><!-- fragment -->
289</div>
290</div>
Kaizen8938bd32017-09-28 14:38:23 +0100[diff] [blame]291<a class="anchor" id="af6cd84a2130d14f272c407ce3f01e5ec"></a>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]292<div class="memitem">
293<div class="memproto">
294 <table class="memname">
295 <tr>
296 <td class="memname">__kernel void fill_image_borders_replicate </td>
297 <td>(</td>
298 <td class="paramtype">__global uchar *&#160;</td>
299 <td class="paramname"><em>buf_ptr</em>, </td>
300 </tr>
301 <tr>
302 <td class="paramkey"></td>
303 <td></td>
304 <td class="paramtype">uint&#160;</td>
305 <td class="paramname"><em>buf_stride_x</em>, </td>
306 </tr>
307 <tr>
308 <td class="paramkey"></td>
309 <td></td>
310 <td class="paramtype">uint&#160;</td>
311 <td class="paramname"><em>buf_step_x</em>, </td>
312 </tr>
313 <tr>
314 <td class="paramkey"></td>
315 <td></td>
316 <td class="paramtype">uint&#160;</td>
317 <td class="paramname"><em>buf_stride_y</em>, </td>
318 </tr>
319 <tr>
320 <td class="paramkey"></td>
321 <td></td>
322 <td class="paramtype">uint&#160;</td>
323 <td class="paramname"><em>buf_step_y</em>, </td>
324 </tr>
325 <tr>
326 <td class="paramkey"></td>
327 <td></td>
328 <td class="paramtype">uint&#160;</td>
Kaizen8938bd32017-09-28 14:38:23 +0100[diff] [blame]329 <td class="paramname"><em>buf_stride_z</em>, </td>
330 </tr>
331 <tr>
332 <td class="paramkey"></td>
333 <td></td>
334 <td class="paramtype">uint&#160;</td>
335 <td class="paramname"><em>buf_step_z</em>, </td>
336 </tr>
337 <tr>
338 <td class="paramkey"></td>
339 <td></td>
340 <td class="paramtype">uint&#160;</td>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]341 <td class="paramname"><em>buf_offset_first_element_in_bytes</em>, </td>
342 </tr>
343 <tr>
344 <td class="paramkey"></td>
345 <td></td>
346 <td class="paramtype">uint&#160;</td>
347 <td class="paramname"><em>width</em>, </td>
348 </tr>
349 <tr>
350 <td class="paramkey"></td>
351 <td></td>
352 <td class="paramtype">uint&#160;</td>
353 <td class="paramname"><em>height</em>, </td>
354 </tr>
355 <tr>
356 <td class="paramkey"></td>
357 <td></td>
358 <td class="paramtype">int2&#160;</td>
359 <td class="paramname"><em>start_pos</em>&#160;</td>
360 </tr>
361 <tr>
362 <td></td>
363 <td>)</td>
364 <td></td><td></td>
365 </tr>
366 </table>
367</div><div class="memdoc">
368
369<p>Fill N pixel of the padding edge of a single channel image by replicating the closest valid pixel. </p>
370<dl class="section attention"><dt>Attention</dt><dd>The DATA_TYPE needs to be passed at the compile time. e.g. -DDATA_TYPE=int</dd>
371<dd>
372The border size for top, bottom, left, right needs to be passed at the compile time. e.g. &ndash;DBORDER_SIZE_TOP=0 -DBORDER_SIZE_BOTTOM=2 -DBORDER_SIZE_LEFT=0 -DBORDER_SIZE_RIGHT=2</dd></dl>
373<dl class="params"><dt>Parameters</dt><dd>
374 <table class="params">
375 <tr><td class="paramdir">[in,out]</td><td class="paramname">buf_ptr</td><td>Pointer to the source image. Supported data types: U8, U16, S16, U32, S32, F32 </td></tr>
376 <tr><td class="paramdir">[in]</td><td class="paramname">buf_stride_x</td><td>Stride of the source image in X dimension (in bytes) </td></tr>
377 <tr><td class="paramdir">[in]</td><td class="paramname">buf_step_x</td><td>buf_stride_x * number of elements along X processed per workitem(in bytes) </td></tr>
378 <tr><td class="paramdir">[in]</td><td class="paramname">buf_stride_y</td><td>Stride of the source image in Y dimension (in bytes) </td></tr>
379 <tr><td class="paramdir">[in]</td><td class="paramname">buf_step_y</td><td>buf_stride_y * number of elements along Y processed per workitem(in bytes) </td></tr>
Kaizen8938bd32017-09-28 14:38:23 +0100[diff] [blame]380 <tr><td class="paramdir">[in]</td><td class="paramname">buf_stride_z</td><td>Stride between images if batching images (in bytes) </td></tr>
381 <tr><td class="paramdir">[in]</td><td class="paramname">buf_step_z</td><td>buf_stride_z * number of elements along Z processed per workitem(in bytes) </td></tr>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]382 <tr><td class="paramdir">[in]</td><td class="paramname">buf_offset_first_element_in_bytes</td><td>The offset of the first element in the source image </td></tr>
383 <tr><td class="paramdir">[in]</td><td class="paramname">width</td><td>Width of the valid region of the image </td></tr>
384 <tr><td class="paramdir">[in]</td><td class="paramname">height</td><td>Height of the valid region of the image </td></tr>
385 <tr><td class="paramdir">[in]</td><td class="paramname">start_pos</td><td>XY coordinate indicating the start point of the valid region </td></tr>
386 </table>
387 </dd>
388</dl>
389
Kaizen8938bd32017-09-28 14:38:23 +0100[diff] [blame]390<p>Definition at line <a class="el" href="fill__border_8cl_source.xhtml#l00050">50</a> of file <a class="el" href="fill__border_8cl_source.xhtml">fill_border.cl</a>.</p>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]391
Kaizenbf8b01d2017-10-12 14:26:51 +0100[diff] [blame]392<p>References <a class="el" href="helpers_8h_source.xhtml#l00105">CONVERT_TENSOR3D_TO_IMAGE_STRUCT_NO_STEP</a>, <a class="el" href="convolution3x3_8cl_source.xhtml#l00027">DATA_TYPE</a>, <a class="el" href="helpers_8h_source.xhtml#l00295">offset()</a>, <a class="el" href="helpers_8h_source.xhtml#l00136">Image::ptr</a>, <a class="el" href="helpers_8h_source.xhtml#l00138">Image::stride_x</a>, and <a class="el" href="helpers_8h_source.xhtml#l00139">Image::stride_y</a>.</p>
Kaizen8938bd32017-09-28 14:38:23 +0100[diff] [blame]393<div class="fragment"><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160;{</div>
394<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160; <a class="code" href="struct_image.xhtml">Image</a> buf = <a class="code" href="helpers_8h.xhtml#a071aa45af973feac43b14f62e54a6fce">CONVERT_TENSOR3D_TO_IMAGE_STRUCT_NO_STEP</a>(buf);</div>
395<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160;</div>
396<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160; <span class="comment">// Update pointer to point to the starting point of the valid region</span></div>
397<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; buf.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a> += start_pos.y * buf.<a class="code" href="struct_image.xhtml#a4f0b90c9ecd6e57ceb3f37332fefe8f1">stride_y</a> + start_pos.x * buf.<a class="code" href="struct_image.xhtml#ae01febbfd0689ef709f3ff6fdd2abc7e">stride_x</a>;</div>
398<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160;</div>
399<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160; <span class="keyword">const</span> <span class="keywordtype">int</span> total_width = BORDER_SIZE_LEFT + width + BORDER_SIZE_RIGHT;</div>
400<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160; <span class="keyword">const</span> <span class="keywordtype">int</span> gid0 = get_global_id(0);</div>
401<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160; <span class="keyword">const</span> <span class="keywordtype">int</span> gidH = gid0 - total_width;</div>
402<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160; <span class="keyword">const</span> <span class="keywordtype">int</span> gidW = gid0 - BORDER_SIZE_LEFT;</div>
403<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160;</div>
404<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160; <span class="keywordflow">if</span>(gidH &gt;= 0)</div>
405<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160; {</div>
406<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160; <span class="comment">// Handle left border</span></div>
407<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160; <a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> left_val = *(__global <a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> *)<a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(&amp;buf, 0, gidH);</div>
408<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160; <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i = -BORDER_SIZE_LEFT; i &lt; 0; ++i)</div>
409<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160; {</div>
410<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160; *(__global <a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> *)<a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(&amp;buf, i, gidH) = left_val;</div>
411<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160; }</div>
412<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160; <span class="comment">// Handle right border</span></div>
413<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160; <a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> right_val = *(__global <a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> *)<a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(&amp;buf, width - 1, gidH);</div>
414<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160; <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i = 0; i &lt; BORDER_SIZE_RIGHT; ++i)</div>
415<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160; {</div>
416<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160; *(__global <a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> *)<a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(&amp;buf, width + i, gidH) = right_val;</div>
417<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160; }</div>
418<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160; }</div>
419<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160; <span class="keywordflow">else</span></div>
420<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160; {</div>
421<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160; <span class="comment">// Get value for corners</span></div>
422<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160; <span class="keywordtype">int</span> val_idx = gidW;</div>
423<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160; <span class="keywordflow">if</span>(gidW &lt; 0 || gidW &gt; (width - 1))</div>
424<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160; {</div>
425<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160; val_idx = gidW &lt; 0 ? 0 : width - 1;</div>
426<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160; }</div>
427<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160;</div>
428<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160; <span class="comment">// Handle top border</span></div>
429<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160; <a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> top_val = *(__global <a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> *)<a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(&amp;buf, val_idx, 0);</div>
430<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160; <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i = -BORDER_SIZE_TOP; i &lt; 0; ++i)</div>
431<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160; {</div>
432<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160; *(__global <a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> *)<a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(&amp;buf, gidW, i) = top_val;</div>
433<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160; }</div>
434<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160; <span class="comment">// Handle bottom border</span></div>
435<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160; <a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> bottom_val = *(__global <a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> *)<a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(&amp;buf, val_idx, height - 1);</div>
436<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160; <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i = 0; i &lt; BORDER_SIZE_BOTTOM; ++i)</div>
437<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160; {</div>
438<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160; *(__global <a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> *)<a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(&amp;buf, gidW, height + i) = bottom_val;</div>
439<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160; }</div>
440<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160; }</div>
441<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160;}</div>
Kaizenbf8b01d2017-10-12 14:26:51 +0100[diff] [blame]442<div class="ttc" id="helpers_8h_xhtml_a071aa45af973feac43b14f62e54a6fce"><div class="ttname"><a href="helpers_8h.xhtml#a071aa45af973feac43b14f62e54a6fce">CONVERT_TENSOR3D_TO_IMAGE_STRUCT_NO_STEP</a></div><div class="ttdeci">#define CONVERT_TENSOR3D_TO_IMAGE_STRUCT_NO_STEP(name)</div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00105">helpers.h:105</a></div></div>
Kaizen8938bd32017-09-28 14:38:23 +0100[diff] [blame]443<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>
Kaizenbf8b01d2017-10-12 14:26:51 +0100[diff] [blame]444<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#l00295">helpers.h:295</a></div></div>
445<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#l00134">helpers.h:134</a></div></div>
446<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#l00136">helpers.h:136</a></div></div>
447<div class="ttc" id="struct_image_xhtml_a4f0b90c9ecd6e57ceb3f37332fefe8f1"><div class="ttname"><a href="struct_image.xhtml#a4f0b90c9ecd6e57ceb3f37332fefe8f1">Image::stride_y</a></div><div class="ttdeci">int stride_y</div><div class="ttdoc">Stride of the image in Y dimension (in bytes) </div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00139">helpers.h:139</a></div></div>
448<div class="ttc" id="struct_image_xhtml_ae01febbfd0689ef709f3ff6fdd2abc7e"><div class="ttname"><a href="struct_image.xhtml#ae01febbfd0689ef709f3ff6fdd2abc7e">Image::stride_x</a></div><div class="ttdeci">int stride_x</div><div class="ttdoc">Stride of the image in X dimension (in bytes) </div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00138">helpers.h:138</a></div></div>
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Kaizen8938bd32017-09-28 14:38:23 +0100[diff] [blame]457 <li class="navelem"><a class="el" href="dir_55b5a5006e943fb664ff8cff3cfe7768.xhtml">src</a></li><li class="navelem"><a class="el" href="dir_f6c3ae42d7e27145d0a3c3e38ca1c000.xhtml">core</a></li><li class="navelem"><a class="el" href="dir_1b7ae9123c88e650426d50d95c19d414.xhtml">CL</a></li><li class="navelem"><a class="el" href="dir_b7c3d80b0dadb2139bc73b7161751c12.xhtml">cl_kernels</a></li><li class="navelem"><a class="el" href="fill__border_8cl.xhtml">fill_border.cl</a></li>
Kaizenbf8b01d2017-10-12 14:26:51 +0100[diff] [blame]458 <li class="footer">Generated on Thu Oct 12 2017 14:26:35 for Compute Library by
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Kaizen8938bd32017-09-28 14:38:23 +0100[diff] [blame]460 <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.6 </li>
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