documentation/fill__border_8cl.xhtml

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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">fill_border.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="fill__border_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:acf8826ab1e043275773853b319abca64"><td class="memItemLeft" align="right" valign="top">__kernel void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="fill__border_8cl.xhtml#acf8826ab1e043275773853b319abca64">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_offset_first_element_in_bytes, uint width, uint height, int2 start_pos)</td></tr>
 128 <tr class="memdesc:acf8826ab1e043275773853b319abca64"><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="#acf8826ab1e043275773853b319abca64">More...</a><br /></td></tr>
 129 <tr class="separator:acf8826ab1e043275773853b319abca64"><td class="memSeparator" colspan="2">&#160;</td></tr>
 130 <tr class="memitem:ae6a9dc3088c706f0a4839a77efc9e92d"><td class="memItemLeft" align="right" valign="top">__kernel void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="fill__border_8cl.xhtml#ae6a9dc3088c706f0a4839a77efc9e92d">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_offset_first_element_in_bytes, uint width, uint height, int2 start_pos, <a class="el" href="softmax__layer_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> constant_value)</td></tr>
 131 <tr class="memdesc:ae6a9dc3088c706f0a4839a77efc9e92d"><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="#ae6a9dc3088c706f0a4839a77efc9e92d">More...</a><br /></td></tr>
 132 <tr class="separator:ae6a9dc3088c706f0a4839a77efc9e92d"><td class="memSeparator" colspan="2">&#160;</td></tr>
 133 </table>
 134 <h2 class="groupheader">Function Documentation</h2>
 135 <a class="anchor" id="ae6a9dc3088c706f0a4839a77efc9e92d"></a>
 136 <div class="memitem">
 137 <div class="memproto">
 138       <table class="memname">
 139         <tr>
 140           <td class="memname">__kernel void fill_image_borders_constant </td>
 141           <td>(</td>
 142           <td class="paramtype">__global uchar *&#160;</td>
 143           <td class="paramname"><em>buf_ptr</em>, </td>
 144         </tr>
 145         <tr>
 146           <td class="paramkey"></td>
 147           <td></td>
 148           <td class="paramtype">uint&#160;</td>
 149           <td class="paramname"><em>buf_stride_x</em>, </td>
 150         </tr>
 151         <tr>
 152           <td class="paramkey"></td>
 153           <td></td>
 154           <td class="paramtype">uint&#160;</td>
 155           <td class="paramname"><em>buf_step_x</em>, </td>
 156         </tr>
 157         <tr>
 158           <td class="paramkey"></td>
 159           <td></td>
 160           <td class="paramtype">uint&#160;</td>
 161           <td class="paramname"><em>buf_stride_y</em>, </td>
 162         </tr>
 163         <tr>
 164           <td class="paramkey"></td>
 165           <td></td>
 166           <td class="paramtype">uint&#160;</td>
 167           <td class="paramname"><em>buf_step_y</em>, </td>
 168         </tr>
 169         <tr>
 170           <td class="paramkey"></td>
 171           <td></td>
 172           <td class="paramtype">uint&#160;</td>
 173           <td class="paramname"><em>buf_offset_first_element_in_bytes</em>, </td>
 174         </tr>
 175         <tr>
 176           <td class="paramkey"></td>
 177           <td></td>
 178           <td class="paramtype">uint&#160;</td>
 179           <td class="paramname"><em>width</em>, </td>
 180         </tr>
 181         <tr>
 182           <td class="paramkey"></td>
 183           <td></td>
 184           <td class="paramtype">uint&#160;</td>
 185           <td class="paramname"><em>height</em>, </td>
 186         </tr>
 187         <tr>
 188           <td class="paramkey"></td>
 189           <td></td>
 190           <td class="paramtype">int2&#160;</td>
 191           <td class="paramname"><em>start_pos</em>, </td>
 192         </tr>
 193         <tr>
 194           <td class="paramkey"></td>
 195           <td></td>
 196           <td class="paramtype"><a class="el" href="softmax__layer_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a>&#160;</td>
 197           <td class="paramname"><em>constant_value</em>&#160;</td>
 198         </tr>
 199         <tr>
 200           <td></td>
 201           <td>)</td>
 202           <td></td><td></td>
 203         </tr>
 204       </table>
 205 </div><div class="memdoc">
 206
 207 <p>Fill N pixels of the padding edge of a single channel image with a constant value. </p>
 208 <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>
 209 <dd>
 210 The 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>
 211 <dl class="params"><dt>Parameters</dt><dd>
 212   <table class="params">
 213     <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>
 214     <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>
 215     <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>
 216     <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>
 217     <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>
 218     <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>
 219     <tr><td class="paramdir">[in]</td><td class="paramname">width</td><td>Width of the valid region of the image </td></tr>
 220     <tr><td class="paramdir">[in]</td><td class="paramname">height</td><td>Height of the valid region of the image </td></tr>
 221     <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>
 222     <tr><td class="paramdir">[in]</td><td class="paramname">constant_value</td><td>Constant value to use to fill the edges </td></tr>
 223   </table>
 224   </dd>
 225 </dl>
 226
 227 <p>Definition at line <a class="el" href="fill__border_8cl_source.xhtml#l00118">118</a> of file <a class="el" href="fill__border_8cl_source.xhtml">fill_border.cl</a>.</p>
 228
 229 <p>References <a class="el" href="helpers_8h_source.xhtml#l00076">CONVERT_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#l00201">offset()</a>, <a class="el" href="helpers_8h_source.xhtml#l00097">Image::ptr</a>, <a class="el" href="helpers_8h_source.xhtml#l00099">Image::stride_x</a>, and <a class="el" href="helpers_8h_source.xhtml#l00100">Image::stride_y</a>.</p>
 230 <div class="fragment"><div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;{</div><div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;    <a class="code" href="struct_image.xhtml">Image</a> buf = <a class="code" href="helpers_8h.xhtml#a4334a4a76f8e9628c0fb9e1acf616e2a">CONVERT_TO_IMAGE_STRUCT_NO_STEP</a>(buf);</div><div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;</div><div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;    <span class="comment">// Update pointer to point to the starting point of the valid region</span></div><div class="line"><a name="l00128"></a><span class="lineno">  128</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><div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;</div><div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;    <span class="keyword">const</span> <span class="keywordtype">int</span> total_width = BORDER_SIZE_LEFT + width + BORDER_SIZE_RIGHT;</div><div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;    <span class="keyword">const</span> <span class="keywordtype">int</span> gid0        = get_global_id(0);</div><div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;    <span class="keyword">const</span> <span class="keywordtype">int</span> gidH        = gid0 - total_width;</div><div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;    <span class="keyword">const</span> <span class="keywordtype">int</span> gidW        = gid0 - BORDER_SIZE_LEFT;</div><div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;</div><div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;    <span class="keywordflow">if</span>(gidH &gt;= 0)</div><div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;    {</div><div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;        <span class="comment">// Handle left border</span></div><div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;        <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i = -BORDER_SIZE_LEFT; i &lt; 0; ++i)</div><div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;        {</div><div class="line"><a name="l00140"></a><span class="lineno">  140</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><div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;        }</div><div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;        <span class="comment">// Handle right border</span></div><div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;        <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i = 0; i &lt; BORDER_SIZE_RIGHT; ++i)</div><div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;        {</div><div class="line"><a name="l00145"></a><span class="lineno">  145</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><div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;        }</div><div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;    }</div><div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;    <span class="keywordflow">else</span></div><div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;    {</div><div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;        <span class="comment">// Handle top border</span></div><div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;        <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i = -BORDER_SIZE_TOP; i &lt; 0; ++i)</div><div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;        {</div><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, gidW, i) = constant_value;</div><div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;        }</div><div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;        <span class="comment">// Handle bottom border</span></div><div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;        <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i = 0; i &lt; BORDER_SIZE_BOTTOM; ++i)</div><div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;        {</div><div class="line"><a name="l00158"></a><span class="lineno">  158</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><div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;        }</div><div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;    }</div><div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;}</div><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>
 231 <div class="ttc" id="helpers_8h_xhtml_a4334a4a76f8e9628c0fb9e1acf616e2a"><div class="ttname"><a href="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="helpers_8h_source.xhtml#l00076">helpers.h:76</a></div></div>
 232 <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>
 233 <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>
 234 <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>
 235 <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#l00100">helpers.h:100</a></div></div>
 236 <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#l00099">helpers.h:99</a></div></div>
 237 </div><!-- fragment -->
 238 </div>
 239 </div>
 240 <a class="anchor" id="acf8826ab1e043275773853b319abca64"></a>
 241 <div class="memitem">
 242 <div class="memproto">
 243       <table class="memname">
 244         <tr>
 245           <td class="memname">__kernel void fill_image_borders_replicate </td>
 246           <td>(</td>
 247           <td class="paramtype">__global uchar *&#160;</td>
 248           <td class="paramname"><em>buf_ptr</em>, </td>
 249         </tr>
 250         <tr>
 251           <td class="paramkey"></td>
 252           <td></td>
 253           <td class="paramtype">uint&#160;</td>
 254           <td class="paramname"><em>buf_stride_x</em>, </td>
 255         </tr>
 256         <tr>
 257           <td class="paramkey"></td>
 258           <td></td>
 259           <td class="paramtype">uint&#160;</td>
 260           <td class="paramname"><em>buf_step_x</em>, </td>
 261         </tr>
 262         <tr>
 263           <td class="paramkey"></td>
 264           <td></td>
 265           <td class="paramtype">uint&#160;</td>
 266           <td class="paramname"><em>buf_stride_y</em>, </td>
 267         </tr>
 268         <tr>
 269           <td class="paramkey"></td>
 270           <td></td>
 271           <td class="paramtype">uint&#160;</td>
 272           <td class="paramname"><em>buf_step_y</em>, </td>
 273         </tr>
 274         <tr>
 275           <td class="paramkey"></td>
 276           <td></td>
 277           <td class="paramtype">uint&#160;</td>
 278           <td class="paramname"><em>buf_offset_first_element_in_bytes</em>, </td>
 279         </tr>
 280         <tr>
 281           <td class="paramkey"></td>
 282           <td></td>
 283           <td class="paramtype">uint&#160;</td>
 284           <td class="paramname"><em>width</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>height</em>, </td>
 291         </tr>
 292         <tr>
 293           <td class="paramkey"></td>
 294           <td></td>
 295           <td class="paramtype">int2&#160;</td>
 296           <td class="paramname"><em>start_pos</em>&#160;</td>
 297         </tr>
 298         <tr>
 299           <td></td>
 300           <td>)</td>
 301           <td></td><td></td>
 302         </tr>
 303       </table>
 304 </div><div class="memdoc">
 305
 306 <p>Fill N pixel of the padding edge of a single channel image by replicating the closest valid pixel. </p>
 307 <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>
 308 <dd>
 309 The 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>
 310 <dl class="params"><dt>Parameters</dt><dd>
 311   <table class="params">
 312     <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>
 313     <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>
 314     <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>
 315     <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>
 316     <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>
 317     <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>
 318     <tr><td class="paramdir">[in]</td><td class="paramname">width</td><td>Width of the valid region of the image </td></tr>
 319     <tr><td class="paramdir">[in]</td><td class="paramname">height</td><td>Height of the valid region of the image </td></tr>
 320     <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>
 321   </table>
 322   </dd>
 323 </dl>
 324
 325 <p>Definition at line <a class="el" href="fill__border_8cl_source.xhtml#l00044">44</a> of file <a class="el" href="fill__border_8cl_source.xhtml">fill_border.cl</a>.</p>
 326
 327 <p>References <a class="el" href="helpers_8h_source.xhtml#l00076">CONVERT_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#l00201">offset()</a>, <a class="el" href="helpers_8h_source.xhtml#l00097">Image::ptr</a>, <a class="el" href="helpers_8h_source.xhtml#l00099">Image::stride_x</a>, and <a class="el" href="helpers_8h_source.xhtml#l00100">Image::stride_y</a>.</p>
 328 <div class="fragment"><div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;{</div><div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;    <a class="code" href="struct_image.xhtml">Image</a> buf = <a class="code" href="helpers_8h.xhtml#a4334a4a76f8e9628c0fb9e1acf616e2a">CONVERT_TO_IMAGE_STRUCT_NO_STEP</a>(buf);</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;    <span class="comment">// Update pointer to point to the starting point of the valid region</span></div><div class="line"><a name="l00053"></a><span class="lineno">   53</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><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;    <span class="keyword">const</span> <span class="keywordtype">int</span> total_width = BORDER_SIZE_LEFT + width + BORDER_SIZE_RIGHT;</div><div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;    <span class="keyword">const</span> <span class="keywordtype">int</span> gid0        = get_global_id(0);</div><div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;    <span class="keyword">const</span> <span class="keywordtype">int</span> gidH        = gid0 - total_width;</div><div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;    <span class="keyword">const</span> <span class="keywordtype">int</span> gidW        = gid0 - BORDER_SIZE_LEFT;</div><div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;</div><div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;    <span class="keywordflow">if</span>(gidH &gt;= 0)</div><div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;    {</div><div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;        <span class="comment">// Handle left border</span></div><div class="line"><a name="l00063"></a><span class="lineno">   63</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><div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;        <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i = -BORDER_SIZE_LEFT; i &lt; 0; ++i)</div><div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;        {</div><div class="line"><a name="l00066"></a><span class="lineno">   66</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><div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;        }</div><div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;        <span class="comment">// Handle right border</span></div><div class="line"><a name="l00069"></a><span class="lineno">   69</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><div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;        <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i = 0; i &lt; BORDER_SIZE_RIGHT; ++i)</div><div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;        {</div><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, width + i, gidH) = right_val;</div><div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;        }</div><div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;    }</div><div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;    <span class="keywordflow">else</span></div><div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;    {</div><div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;        <span class="comment">// Get value for corners</span></div><div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;        <span class="keywordtype">int</span> val_idx = gidW;</div><div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;        <span class="keywordflow">if</span>(gidW &lt; 0 || gidW &gt; (width - 1))</div><div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;        {</div><div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;            val_idx = gidW &lt; 0 ? 0 : width - 1;</div><div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;        }</div><div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;</div><div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;        <span class="comment">// Handle top border</span></div><div class="line"><a name="l00085"></a><span class="lineno">   85</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><div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;        <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i = -BORDER_SIZE_TOP; i &lt; 0; ++i)</div><div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;        {</div><div class="line"><a name="l00088"></a><span class="lineno">   88</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><div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;        }</div><div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;        <span class="comment">// Handle bottom border</span></div><div class="line"><a name="l00091"></a><span class="lineno">   91</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><div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;        <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i = 0; i &lt; BORDER_SIZE_BOTTOM; ++i)</div><div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;        {</div><div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;            *(__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><div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;        }</div><div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;    }</div><div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;}</div><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>
 329 <div class="ttc" id="helpers_8h_xhtml_a4334a4a76f8e9628c0fb9e1acf616e2a"><div class="ttname"><a href="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="helpers_8h_source.xhtml#l00076">helpers.h:76</a></div></div>
 330 <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>
 331 <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>
 332 <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>
 333 <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#l00100">helpers.h:100</a></div></div>
 334 <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#l00099">helpers.h:99</a></div></div>
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 346     <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.11 </li>
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