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 115 <div class="header">
 116   <div class="summary">
 117 <a href="#define-members">Macros</a> &#124;
 118 <a href="#func-members">Functions</a>  </div>
 119   <div class="headertitle">
 120 <div class="title">convolution3x3.cl File Reference</div>  </div>
 121 </div><!--header-->
 122 <div class="contents">
 123 <div class="textblock"><code>#include &quot;<a class="el" href="helpers_8h_source.xhtml">helpers.h</a>&quot;</code><br />
 124 </div>
 125 <p><a href="convolution3x3_8cl_source.xhtml">Go to the source code of this file.</a></p>
 126 <table class="memberdecls">
 127 <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="define-members"></a>
 128 Macros</h2></td></tr>
 129 <tr class="memitem:afb8c72ce35c4a1f4a2588d6573e54aa1"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a>&#160;&#160;&#160;short</td></tr>
 130 <tr class="separator:afb8c72ce35c4a1f4a2588d6573e54aa1"><td class="memSeparator" colspan="2">&#160;</td></tr>
 131 <tr class="memitem:ac06f3e24d3fffd3c465d8b2a6e7c985e"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="convolution3x3_8cl.xhtml#ac06f3e24d3fffd3c465d8b2a6e7c985e">DATA_TYPE_OUT</a>&#160;&#160;&#160;uchar</td></tr>
 132 <tr class="separator:ac06f3e24d3fffd3c465d8b2a6e7c985e"><td class="memSeparator" colspan="2">&#160;</td></tr>
 133 </table><table class="memberdecls">
 134 <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
 135 Functions</h2></td></tr>
 136 <tr class="memitem:a92702074338198e81a46c3e309d9b04f"><td class="memItemLeft" align="right" valign="top">short8&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="convolution3x3_8cl.xhtml#a92702074338198e81a46c3e309d9b04f">convolution1x3</a> (__global const uchar *left_pixel, const short left_coeff, const short middle_coeff, const short right_coeff)</td></tr>
 137 <tr class="memdesc:a92702074338198e81a46c3e309d9b04f"><td class="mdescLeft">&#160;</td><td class="mdescRight">Compute a 1D horizontal convolution of size 3 for 8 bytes assuming the input is made of 1 channel of 1 byte (i.e 8 pixels).  <a href="#a92702074338198e81a46c3e309d9b04f">More...</a><br /></td></tr>
 138 <tr class="separator:a92702074338198e81a46c3e309d9b04f"><td class="memSeparator" colspan="2">&#160;</td></tr>
 139 <tr class="memitem:afc5fefe72e66f0ae5191fd5b708fade9"><td class="memItemLeft" align="right" valign="top">short8&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="convolution3x3_8cl.xhtml#afc5fefe72e66f0ae5191fd5b708fade9">convolution3x3</a> (<a class="el" href="struct_image.xhtml">Image</a> *src, const short mat0, const short mat1, const short mat2, const short mat3, const short mat4, const short mat5, const short mat6, const short mat7, const short mat8, uint scale)</td></tr>
 140 <tr class="memdesc:afc5fefe72e66f0ae5191fd5b708fade9"><td class="mdescLeft">&#160;</td><td class="mdescRight">Apply a 3x3 convolution matrix to a single channel U8 input image and return the result.  <a href="#afc5fefe72e66f0ae5191fd5b708fade9">More...</a><br /></td></tr>
 141 <tr class="separator:afc5fefe72e66f0ae5191fd5b708fade9"><td class="memSeparator" colspan="2">&#160;</td></tr>
 142 <tr class="memitem:aa0b80492bb4faef0b052d95a8aa147e4"><td class="memItemLeft" align="right" valign="top">__kernel void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="convolution3x3_8cl.xhtml#aa0b80492bb4faef0b052d95a8aa147e4">convolution3x3_static</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>
 143 <tr class="memdesc:aa0b80492bb4faef0b052d95a8aa147e4"><td class="mdescLeft">&#160;</td><td class="mdescRight">Apply a 3x3 static convolution matrix to a single channel U8 input image and output a single channel image.  <a href="#aa0b80492bb4faef0b052d95a8aa147e4">More...</a><br /></td></tr>
 144 <tr class="separator:aa0b80492bb4faef0b052d95a8aa147e4"><td class="memSeparator" colspan="2">&#160;</td></tr>
 145 </table>
 146 <h2 class="groupheader">Macro Definition Documentation</h2>
 147 <a class="anchor" id="afb8c72ce35c4a1f4a2588d6573e54aa1"></a>
 148 <div class="memitem">
 149 <div class="memproto">
 150       <table class="memname">
 151         <tr>
 152           <td class="memname">#define DATA_TYPE&#160;&#160;&#160;short</td>
 153         </tr>
 154       </table>
 155 </div><div class="memdoc">
 156
 157 <p>Definition at line <a class="el" href="convolution3x3_8cl_source.xhtml#l00027">27</a> of file <a class="el" href="convolution3x3_8cl_source.xhtml">convolution3x3.cl</a>.</p>
 158
 159 <p>Referenced by <a class="el" href="warp__helpers_8h_source.xhtml#l00094">bilinear_interpolate_with_border()</a>, <a class="el" href="concatenate_8cl_source.xhtml#l00081">concatenate_depth()</a>, <a class="el" href="concatenate_8cl_source.xhtml#l00046">concatenate_width()</a>, <a class="el" href="convolution3x3_8cl_source.xhtml#l00043">convolution1x3()</a>, <a class="el" href="convolution3x3_8cl_source.xhtml#l00082">convolution3x3()</a>, <a class="el" href="convolution3x3_8cl_source.xhtml#l00123">convolution3x3_static()</a>, <a class="el" href="convolution__rectangle_8cl_source.xhtml#l00064">convolution_rectangle()</a>, <a class="el" href="copy__tensor_8cl_source.xhtml#l00037">copy_tensor()</a>, <a class="el" href="fill__border_8cl_source.xhtml#l00126">fill_image_borders_constant()</a>, <a class="el" href="fill__border_8cl_source.xhtml#l00050">fill_image_borders_replicate()</a>, <a class="el" href="floor_8cl_source.xhtml#l00049">floor_layer()</a>, <a class="el" href="harris__corners_8cl_source.xhtml#l00138">harris_score_1x5()</a>, <a class="el" href="harris__corners_8cl_source.xhtml#l00253">harris_score_1x7()</a>, <a class="el" href="harris__corners_8cl_source.xhtml#l00053">harris_score_3x3()</a>, <a class="el" href="l2__normalize_8cl_source.xhtml#l00045">l2_normalize()</a>, <a class="el" href="magnitude__phase_8cl_source.xhtml#l00045">magnitude_l2()</a>, <a class="el" href="magnitude__phase_8cl_source.xhtml#l00130">magnitude_phase()</a>, <a class="el" href="minmaxloc_8cl_source.xhtml#l00143">minmaxloc()</a>, <a class="el" href="nonmax_8cl_source.xhtml#l00041">non_max_suppression()</a>, <a class="el" href="normalization__layer_8cl_source.xhtml#l00079">normalization_layer_cross_map()</a>, <a class="el" href="normalization__layer_8cl_source.xhtml#l00139">normalization_layer_in_map()</a>, <a class="el" href="pooling__layer_8cl_source.xhtml#l00228">pooling_layer_2()</a>, <a class="el" href="pooling__layer_8cl_source.xhtml#l00292">pooling_layer_3()</a>, <a class="el" href="warp__helpers_8h_source.xhtml#l00058">read_texels4()</a>, <a class="el" href="reduction__operation_8cl_source.xhtml#l00084">reduction_operation()</a>, <a class="el" href="reshape__layer_8cl_source.xhtml#l00049">reshape_layer()</a>, <a class="el" href="roi__pooling__layer_8cl_source.xhtml#l00061">roi_pool_1x1()</a>, <a class="el" href="roi__pooling__layer_8cl_source.xhtml#l00123">roi_pooling_layer()</a>, <a class="el" href="scale_8cl_source.xhtml#l00122">scale_bilinear()</a>, <a class="el" href="scale_8cl_source.xhtml#l00086">scale_nearest_neighbour()</a>, <a class="el" href="reduction__operation_8cl_source.xhtml#l00032">square_sum()</a>, <a class="el" href="reduction__operation_8cl_source.xhtml#l00052">sum()</a>, <a class="el" href="transpose_8cl_source.xhtml#l00148">transpose()</a>, <a class="el" href="roi__pooling__layer_8cl_source.xhtml#l00036">vec4_max()</a>, and <a class="el" href="roi__pooling__layer_8cl_source.xhtml#l00043">vec8_max()</a>.</p>
 160
 161 </div>
 162 </div>
 163 <a class="anchor" id="ac06f3e24d3fffd3c465d8b2a6e7c985e"></a>
 164 <div class="memitem">
 165 <div class="memproto">
 166       <table class="memname">
 167         <tr>
 168           <td class="memname">#define DATA_TYPE_OUT&#160;&#160;&#160;uchar</td>
 169         </tr>
 170       </table>
 171 </div><div class="memdoc">
 172
 173 <p>Definition at line <a class="el" href="convolution3x3_8cl_source.xhtml#l00031">31</a> of file <a class="el" href="convolution3x3_8cl_source.xhtml">convolution3x3.cl</a>.</p>
 174
 175 <p>Referenced by <a class="el" href="absdiff_8cl_source.xhtml#l00050">absdiff()</a>, <a class="el" href="arithmetic__op_8cl_source.xhtml#l00069">arithmetic_add()</a>, <a class="el" href="arithmetic__op_8cl_source.xhtml#l00120">arithmetic_sub()</a>, <a class="el" href="canny_8cl_source.xhtml#l00057">combine_gradients_L1()</a>, <a class="el" href="canny_8cl_source.xhtml#l00121">combine_gradients_L2()</a>, <a class="el" href="depth__convert_8cl_source.xhtml#l00074">convert_depth_down()</a>, <a class="el" href="depth__convert_8cl_source.xhtml#l00115">convert_depth_up()</a>, <a class="el" href="convolution3x3_8cl_source.xhtml#l00123">convolution3x3_static()</a>, <a class="el" href="convolution__rectangle_8cl_source.xhtml#l00064">convolution_rectangle()</a>, <a class="el" href="pixelwise__mul__float_8cl_source.xhtml#l00067">pixelwise_mul_float()</a>, <a class="el" href="pixelwise__mul__int_8cl_source.xhtml#l00083">pixelwise_mul_int()</a>, and <a class="el" href="canny_8cl_source.xhtml#l00191">suppress_non_maximum()</a>.</p>
 176
 177 </div>
 178 </div>
 179 <h2 class="groupheader">Function Documentation</h2>
 180 <a class="anchor" id="a92702074338198e81a46c3e309d9b04f"></a>
 181 <div class="memitem">
 182 <div class="memproto">
 183 <table class="mlabels">
 184   <tr>
 185   <td class="mlabels-left">
 186       <table class="memname">
 187         <tr>
 188           <td class="memname">short8 convolution1x3 </td>
 189           <td>(</td>
 190           <td class="paramtype">__global const uchar *&#160;</td>
 191           <td class="paramname"><em>left_pixel</em>, </td>
 192         </tr>
 193         <tr>
 194           <td class="paramkey"></td>
 195           <td></td>
 196           <td class="paramtype">const short&#160;</td>
 197           <td class="paramname"><em>left_coeff</em>, </td>
 198         </tr>
 199         <tr>
 200           <td class="paramkey"></td>
 201           <td></td>
 202           <td class="paramtype">const short&#160;</td>
 203           <td class="paramname"><em>middle_coeff</em>, </td>
 204         </tr>
 205         <tr>
 206           <td class="paramkey"></td>
 207           <td></td>
 208           <td class="paramtype">const short&#160;</td>
 209           <td class="paramname"><em>right_coeff</em>&#160;</td>
 210         </tr>
 211         <tr>
 212           <td></td>
 213           <td>)</td>
 214           <td></td><td></td>
 215         </tr>
 216       </table>
 217   </td>
 218   <td class="mlabels-right">
 219 <span class="mlabels"><span class="mlabel">inline</span></span>  </td>
 220   </tr>
 221 </table>
 222 </div><div class="memdoc">
 223
 224 <p>Compute a 1D horizontal convolution of size 3 for 8 bytes assuming the input is made of 1 channel of 1 byte (i.e 8 pixels). </p>
 225 <dl class="params"><dt>Parameters</dt><dd>
 226   <table class="params">
 227     <tr><td class="paramdir">[in]</td><td class="paramname">left_pixel</td><td>Pointer to the left pixel. </td></tr>
 228     <tr><td class="paramdir">[in]</td><td class="paramname">left_coeff</td><td>Weight of the left pixel </td></tr>
 229     <tr><td class="paramdir">[in]</td><td class="paramname">middle_coeff</td><td>Weight of the middle pixel </td></tr>
 230     <tr><td class="paramdir">[in]</td><td class="paramname">right_coeff</td><td>Weight of the right pixel</td></tr>
 231   </table>
 232   </dd>
 233 </dl>
 234 <dl class="section return"><dt>Returns</dt><dd>a short8 containing 8 convoluted values. </dd></dl>
 235
 236 <p>Definition at line <a class="el" href="convolution3x3_8cl_source.xhtml#l00043">43</a> of file <a class="el" href="convolution3x3_8cl_source.xhtml">convolution3x3.cl</a>.</p>
 237
 238 <p>References <a class="el" href="fixed__point_8h_source.xhtml#l00098">CONVERT</a>, <a class="el" href="convolution3x3_8cl_source.xhtml#l00027">DATA_TYPE</a>, and <a class="el" href="fixed__point_8h_source.xhtml#l00093">VEC_DATA_TYPE</a>.</p>
 239
 240 <p>Referenced by <a class="el" href="convolution3x3_8cl_source.xhtml#l00082">convolution3x3()</a>, and <a class="el" href="convolution__rectangle_8cl_source.xhtml#l00064">convolution_rectangle()</a>.</p>
 241 <div class="fragment"><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 temp = vload16(0, left_pixel);</div><div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;    <a class="code" href="fixed__point_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(<a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a>, 8)</div><div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;    left = <a class="code" href="fixed__point_8h.xhtml#aa8d95ba04fc73845abc6045952cae5be">CONVERT</a>(temp.s01234567, <a class="code" href="fixed__point_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(<a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a>, 8));</div><div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;    <a class="code" href="fixed__point_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(DATA_TYPE, 8)</div><div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;    middle = <a class="code" href="fixed__point_8h.xhtml#aa8d95ba04fc73845abc6045952cae5be">CONVERT</a>(temp.s12345678, <a class="code" href="fixed__point_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(DATA_TYPE, 8));</div><div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;    <a class="code" href="fixed__point_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(DATA_TYPE, 8)</div><div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;    right = <a class="code" href="fixed__point_8h.xhtml#aa8d95ba04fc73845abc6045952cae5be">CONVERT</a>(temp.s23456789, <a class="code" href="fixed__point_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(DATA_TYPE, 8));</div><div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;</div><div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;    return left * (<a class="code" href="fixed__point_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(DATA_TYPE, 8))left_coeff + middle * (<a class="code" href="fixed__point_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(DATA_TYPE, 8))middle_coeff + right * (<a class="code" href="fixed__point_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(DATA_TYPE, 8))right_coeff;</div><div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;}</div><div class="ttc" id="fixed__point_8h_xhtml_aa8d95ba04fc73845abc6045952cae5be"><div class="ttname"><a href="fixed__point_8h.xhtml#aa8d95ba04fc73845abc6045952cae5be">CONVERT</a></div><div class="ttdeci">#define CONVERT(x, type)</div><div class="ttdef"><b>Definition:</b> <a href="fixed__point_8h_source.xhtml#l00098">fixed_point.h:98</a></div></div>
 242 <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>
 243 <div class="ttc" id="fixed__point_8h_xhtml_a36f754c05b6fddf6df0d8d0a74f8159f"><div class="ttname"><a href="fixed__point_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="fixed__point_8h_source.xhtml#l00093">fixed_point.h:93</a></div></div>
 244 </div><!-- fragment -->
 245 </div>
 246 </div>
 247 <a class="anchor" id="afc5fefe72e66f0ae5191fd5b708fade9"></a>
 248 <div class="memitem">
 249 <div class="memproto">
 250 <table class="mlabels">
 251   <tr>
 252   <td class="mlabels-left">
 253       <table class="memname">
 254         <tr>
 255           <td class="memname">short8 convolution3x3 </td>
 256           <td>(</td>
 257           <td class="paramtype"><a class="el" href="struct_image.xhtml">Image</a> *&#160;</td>
 258           <td class="paramname"><em>src</em>, </td>
 259         </tr>
 260         <tr>
 261           <td class="paramkey"></td>
 262           <td></td>
 263           <td class="paramtype">const short&#160;</td>
 264           <td class="paramname"><em>mat0</em>, </td>
 265         </tr>
 266         <tr>
 267           <td class="paramkey"></td>
 268           <td></td>
 269           <td class="paramtype">const short&#160;</td>
 270           <td class="paramname"><em>mat1</em>, </td>
 271         </tr>
 272         <tr>
 273           <td class="paramkey"></td>
 274           <td></td>
 275           <td class="paramtype">const short&#160;</td>
 276           <td class="paramname"><em>mat2</em>, </td>
 277         </tr>
 278         <tr>
 279           <td class="paramkey"></td>
 280           <td></td>
 281           <td class="paramtype">const short&#160;</td>
 282           <td class="paramname"><em>mat3</em>, </td>
 283         </tr>
 284         <tr>
 285           <td class="paramkey"></td>
 286           <td></td>
 287           <td class="paramtype">const short&#160;</td>
 288           <td class="paramname"><em>mat4</em>, </td>
 289         </tr>
 290         <tr>
 291           <td class="paramkey"></td>
 292           <td></td>
 293           <td class="paramtype">const short&#160;</td>
 294           <td class="paramname"><em>mat5</em>, </td>
 295         </tr>
 296         <tr>
 297           <td class="paramkey"></td>
 298           <td></td>
 299           <td class="paramtype">const short&#160;</td>
 300           <td class="paramname"><em>mat6</em>, </td>
 301         </tr>
 302         <tr>
 303           <td class="paramkey"></td>
 304           <td></td>
 305           <td class="paramtype">const short&#160;</td>
 306           <td class="paramname"><em>mat7</em>, </td>
 307         </tr>
 308         <tr>
 309           <td class="paramkey"></td>
 310           <td></td>
 311           <td class="paramtype">const short&#160;</td>
 312           <td class="paramname"><em>mat8</em>, </td>
 313         </tr>
 314         <tr>
 315           <td class="paramkey"></td>
 316           <td></td>
 317           <td class="paramtype">uint&#160;</td>
 318           <td class="paramname"><em>scale</em>&#160;</td>
 319         </tr>
 320         <tr>
 321           <td></td>
 322           <td>)</td>
 323           <td></td><td></td>
 324         </tr>
 325       </table>
 326   </td>
 327   <td class="mlabels-right">
 328 <span class="mlabels"><span class="mlabel">inline</span></span>  </td>
 329   </tr>
 330 </table>
 331 </div><div class="memdoc">
 332
 333 <p>Apply a 3x3 convolution matrix to a single channel U8 input image and return the result. </p>
 334 <p>Convolution matrix layout:</p>
 335 <p>[ mat0, mat1, mat2 ]<br />
 336 [ mat3, mat4, mat5 ]<br />
 337 [ mat6, mat7, mat8 ]<br />
 338  </p><dl class="params"><dt>Parameters</dt><dd>
 339   <table class="params">
 340     <tr><td class="paramdir">[in]</td><td class="paramname">src</td><td>A pointer to source <a class="el" href="struct_image.xhtml" title="Structure to hold Image information. ">Image</a> structure </td></tr>
 341     <tr><td class="paramdir">[in]</td><td class="paramname">mat0</td><td>Coefficient from the convolution matrix </td></tr>
 342     <tr><td class="paramdir">[in]</td><td class="paramname">mat1</td><td>Coefficient from the convolution matrix </td></tr>
 343     <tr><td class="paramdir">[in]</td><td class="paramname">mat2</td><td>Coefficient from the convolution matrix </td></tr>
 344     <tr><td class="paramdir">[in]</td><td class="paramname">mat3</td><td>Coefficient from the convolution matrix </td></tr>
 345     <tr><td class="paramdir">[in]</td><td class="paramname">mat4</td><td>Coefficient from the convolution matrix </td></tr>
 346     <tr><td class="paramdir">[in]</td><td class="paramname">mat5</td><td>Coefficient from the convolution matrix </td></tr>
 347     <tr><td class="paramdir">[in]</td><td class="paramname">mat6</td><td>Coefficient from the convolution matrix </td></tr>
 348     <tr><td class="paramdir">[in]</td><td class="paramname">mat0</td><td>Coefficient from the convolution matrix </td></tr>
 349     <tr><td class="paramdir">[in]</td><td class="paramname">mat7</td><td>Coefficient from the convolution matrix </td></tr>
 350     <tr><td class="paramdir">[in]</td><td class="paramname">mat8</td><td>Coefficient from the convolution matrix </td></tr>
 351     <tr><td class="paramdir">[in]</td><td class="paramname">scale</td><td>Convolution matrix scale (Sum of the coefficients, or 1 if the sum is 0)</td></tr>
 352   </table>
 353   </dd>
 354 </dl>
 355 <dl class="section return"><dt>Returns</dt><dd>a short8 containing 8 convoluted and scaled values. </dd></dl>
 356
 357 <p>Definition at line <a class="el" href="convolution3x3_8cl_source.xhtml#l00082">82</a> of file <a class="el" href="convolution3x3_8cl_source.xhtml">convolution3x3.cl</a>.</p>
 358
 359 <p>References <a class="el" href="convolution3x3_8cl_source.xhtml#l00043">convolution1x3()</a>, <a class="el" href="convolution3x3_8cl_source.xhtml#l00027">DATA_TYPE</a>, <a class="el" href="helpers_8h_source.xhtml#l00303">offset()</a>, and <a class="el" href="fixed__point_8h_source.xhtml#l00093">VEC_DATA_TYPE</a>.</p>
 360
 361 <p>Referenced by <a class="el" href="convolution3x3_8cl_source.xhtml#l00123">convolution3x3_static()</a>.</p>
 362 <div class="fragment"><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;    <span class="comment">// Output pixels</span></div><div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;    <a class="code" href="fixed__point_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(<a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a>, 8)</div><div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;    pixels;</div><div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;</div><div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;    <span class="comment">// Row 0</span></div><div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;    pixels = <a class="code" href="convolution3x3_8cl.xhtml#a92702074338198e81a46c3e309d9b04f">convolution1x3</a>(<a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(src, -1, -1), mat0, mat1, mat2);</div><div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;    <span class="comment">// Row</span></div><div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;    pixels += <a class="code" href="convolution3x3_8cl.xhtml#a92702074338198e81a46c3e309d9b04f">convolution1x3</a>(<a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(src, -1, 0), mat3, mat4, mat5);</div><div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;    <span class="comment">// Row 2</span></div><div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;    pixels += <a class="code" href="convolution3x3_8cl.xhtml#a92702074338198e81a46c3e309d9b04f">convolution1x3</a>(<a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(src, -1, 1), mat6, mat7, mat8);</div><div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;</div><div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;    <span class="comment">// Divide by the scale</span></div><div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;    return pixels / (<a class="code" href="fixed__point_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(<a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a>, 8))<a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#acec6d8ad52a28972fa74e071c1a63b6a">scale</a>;</div><div class="line"><a name="l00101"></a><span class="lineno">  101</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>
 363 <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#l00303">helpers.h:303</a></div></div>
 364 <div class="ttc" id="namespacearm__compute_1_1test_1_1validation_xhtml_acec6d8ad52a28972fa74e071c1a63b6a"><div class="ttname"><a href="namespacearm__compute_1_1test_1_1validation.xhtml#acec6d8ad52a28972fa74e071c1a63b6a">arm_compute::test::validation::scale</a></div><div class="ttdeci">scale</div><div class="ttdef"><b>Definition:</b> <a href="_n_e_o_n_2_pixel_wise_multiplication_8cpp_source.xhtml#l00178">PixelWiseMultiplication.cpp:178</a></div></div>
 365 <div class="ttc" id="fixed__point_8h_xhtml_a36f754c05b6fddf6df0d8d0a74f8159f"><div class="ttname"><a href="fixed__point_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="fixed__point_8h_source.xhtml#l00093">fixed_point.h:93</a></div></div>
 366 <div class="ttc" id="convolution3x3_8cl_xhtml_a92702074338198e81a46c3e309d9b04f"><div class="ttname"><a href="convolution3x3_8cl.xhtml#a92702074338198e81a46c3e309d9b04f">convolution1x3</a></div><div class="ttdeci">short8 convolution1x3(__global const uchar *left_pixel, const short left_coeff, const short middle_coeff, const short right_coeff)</div><div class="ttdoc">Compute a 1D horizontal convolution of size 3 for 8 bytes assuming the input is made of 1 channel of ...</div><div class="ttdef"><b>Definition:</b> <a href="convolution3x3_8cl_source.xhtml#l00043">convolution3x3.cl:43</a></div></div>
 367 </div><!-- fragment -->
 368 </div>
 369 </div>
 370 <a class="anchor" id="aa0b80492bb4faef0b052d95a8aa147e4"></a>
 371 <div class="memitem">
 372 <div class="memproto">
 373       <table class="memname">
 374         <tr>
 375           <td class="memname">__kernel void convolution3x3_static </td>
 376           <td>(</td>
 377           <td class="paramtype">__global uchar *&#160;</td>
 378           <td class="paramname"><em>src_ptr</em>, </td>
 379         </tr>
 380         <tr>
 381           <td class="paramkey"></td>
 382           <td></td>
 383           <td class="paramtype">uint&#160;</td>
 384           <td class="paramname"><em>src_stride_x</em>, </td>
 385         </tr>
 386         <tr>
 387           <td class="paramkey"></td>
 388           <td></td>
 389           <td class="paramtype">uint&#160;</td>
 390           <td class="paramname"><em>src_step_x</em>, </td>
 391         </tr>
 392         <tr>
 393           <td class="paramkey"></td>
 394           <td></td>
 395           <td class="paramtype">uint&#160;</td>
 396           <td class="paramname"><em>src_stride_y</em>, </td>
 397         </tr>
 398         <tr>
 399           <td class="paramkey"></td>
 400           <td></td>
 401           <td class="paramtype">uint&#160;</td>
 402           <td class="paramname"><em>src_step_y</em>, </td>
 403         </tr>
 404         <tr>
 405           <td class="paramkey"></td>
 406           <td></td>
 407           <td class="paramtype">uint&#160;</td>
 408           <td class="paramname"><em>src_offset_first_element_in_bytes</em>, </td>
 409         </tr>
 410         <tr>
 411           <td class="paramkey"></td>
 412           <td></td>
 413           <td class="paramtype">__global uchar *&#160;</td>
 414           <td class="paramname"><em>dst_ptr</em>, </td>
 415         </tr>
 416         <tr>
 417           <td class="paramkey"></td>
 418           <td></td>
 419           <td class="paramtype">uint&#160;</td>
 420           <td class="paramname"><em>dst_stride_x</em>, </td>
 421         </tr>
 422         <tr>
 423           <td class="paramkey"></td>
 424           <td></td>
 425           <td class="paramtype">uint&#160;</td>
 426           <td class="paramname"><em>dst_step_x</em>, </td>
 427         </tr>
 428         <tr>
 429           <td class="paramkey"></td>
 430           <td></td>
 431           <td class="paramtype">uint&#160;</td>
 432           <td class="paramname"><em>dst_stride_y</em>, </td>
 433         </tr>
 434         <tr>
 435           <td class="paramkey"></td>
 436           <td></td>
 437           <td class="paramtype">uint&#160;</td>
 438           <td class="paramname"><em>dst_step_y</em>, </td>
 439         </tr>
 440         <tr>
 441           <td class="paramkey"></td>
 442           <td></td>
 443           <td class="paramtype">uint&#160;</td>
 444           <td class="paramname"><em>dst_offset_first_element_in_bytes</em>&#160;</td>
 445         </tr>
 446         <tr>
 447           <td></td>
 448           <td>)</td>
 449           <td></td><td></td>
 450         </tr>
 451       </table>
 452 </div><div class="memdoc">
 453
 454 <p>Apply a 3x3 static convolution matrix to a single channel U8 input image and output a single channel image. </p>
 455 <dl class="section attention"><dt>Attention</dt><dd>The matrix coefficients(MAT0, MAT1, ... MAT8, SCALE), DATA_TYPE, and DATA_TYPE_OUT need to be passed at compile time.<br />
 456 e.g. -DMAT0=1 -DMAT2=2, ...-DMAT8=8, -DSCALE=1, -DDATA_TYPE=int, -DDATA_TYPE_OUT=int</dd></dl>
 457 <dl class="params"><dt>Parameters</dt><dd>
 458   <table class="params">
 459     <tr><td class="paramdir">[in]</td><td class="paramname">src_ptr</td><td>Pointer to the source image </td></tr>
 460     <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>
 461     <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>
 462     <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>
 463     <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>
 464     <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>
 465     <tr><td class="paramdir">[out]</td><td class="paramname">dst_ptr</td><td>Pointer to the destination image. Supported data types: U8, S16 </td></tr>
 466     <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>
 467     <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>
 468     <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>
 469     <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>
 470     <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>
 471   </table>
 472   </dd>
 473 </dl>
 474
 475 <p>Definition at line <a class="el" href="convolution3x3_8cl_source.xhtml#l00123">123</a> of file <a class="el" href="convolution3x3_8cl_source.xhtml">convolution3x3.cl</a>.</p>
 476
 477 <p>References <a class="el" href="direct__convolution1x1_8cl_source.xhtml#l00040">CONVERT_SAT</a>, <a class="el" href="helpers_8h_source.xhtml#l00104">CONVERT_TO_IMAGE_STRUCT</a>, <a class="el" href="convolution3x3_8cl_source.xhtml#l00082">convolution3x3()</a>, <a class="el" href="convolution3x3_8cl_source.xhtml#l00027">DATA_TYPE</a>, <a class="el" href="convolution3x3_8cl_source.xhtml#l00031">DATA_TYPE_OUT</a>, <a class="el" href="_c_l_2_convolution_8cpp_source.xhtml#l00137">arm_compute::test::validation::dst</a>, <a class="el" href="helpers_8h_source.xhtml#l00144">Image::ptr</a>, <a class="el" href="_c_l_2_convolution_8cpp_source.xhtml#l00147">arm_compute::test::validation::src</a>, and <a class="el" href="fixed__point_8h_source.xhtml#l00093">VEC_DATA_TYPE</a>.</p>
 478 <div class="fragment"><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;    <a class="code" href="struct_image.xhtml">Image</a> <a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#a6743f0a130e8311e6f5b1a23df102472">src</a> = <a class="code" href="helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(src);</div><div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;    <a class="code" href="struct_image.xhtml">Image</a> <a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#adbf67dcee294e673cf796f1ed8aeb6a4">dst</a> = <a class="code" href="helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(dst);</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;    <a class="code" href="fixed__point_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(<a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a>, 8)</div><div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;    pixels = <a class="code" href="convolution3x3_8cl.xhtml#afc5fefe72e66f0ae5191fd5b708fade9">convolution3x3</a>(&amp;src,</div><div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;                            MAT0, MAT1, MAT2, MAT3, MAT4, MAT5, MAT6, MAT7, MAT8, SCALE);</div><div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;</div><div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;    <span class="comment">// Store the result as is in dst</span></div><div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;    vstore8(<a class="code" href="direct__convolution1x1_8cl.xhtml#a1f15728672380ade7a238f5e783d54d2">CONVERT_SAT</a>(pixels, <a class="code" href="fixed__point_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(<a class="code" href="convolution3x3_8cl.xhtml#ac06f3e24d3fffd3c465d8b2a6e7c985e">DATA_TYPE_OUT</a>, 8)), 0, (__global DATA_TYPE_OUT *)dst.ptr);</div><div class="line"><a name="l00136"></a><span class="lineno">  136</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>
 479 <div class="ttc" id="direct__convolution1x1_8cl_xhtml_a1f15728672380ade7a238f5e783d54d2"><div class="ttname"><a href="direct__convolution1x1_8cl.xhtml#a1f15728672380ade7a238f5e783d54d2">CONVERT_SAT</a></div><div class="ttdeci">#define CONVERT_SAT(a, b)</div><div class="ttdef"><b>Definition:</b> <a href="direct__convolution1x1_8cl_source.xhtml#l00040">direct_convolution1x1.cl:40</a></div></div>
 480 <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#l00104">helpers.h:104</a></div></div>
 481 <div class="ttc" id="convolution3x3_8cl_xhtml_afc5fefe72e66f0ae5191fd5b708fade9"><div class="ttname"><a href="convolution3x3_8cl.xhtml#afc5fefe72e66f0ae5191fd5b708fade9">convolution3x3</a></div><div class="ttdeci">short8 convolution3x3(Image *src, const short mat0, const short mat1, const short mat2, const short mat3, const short mat4, const short mat5, const short mat6, const short mat7, const short mat8, uint scale)</div><div class="ttdoc">Apply a 3x3 convolution matrix to a single channel U8 input image and return the result. </div><div class="ttdef"><b>Definition:</b> <a href="convolution3x3_8cl_source.xhtml#l00082">convolution3x3.cl:82</a></div></div>
 482 <div class="ttc" id="namespacearm__compute_1_1test_1_1validation_xhtml_adbf67dcee294e673cf796f1ed8aeb6a4"><div class="ttname"><a href="namespacearm__compute_1_1test_1_1validation.xhtml#adbf67dcee294e673cf796f1ed8aeb6a4">arm_compute::test::validation::dst</a></div><div class="ttdeci">CLTensor dst</div><div class="ttdef"><b>Definition:</b> <a href="_c_l_2_convolution_8cpp_source.xhtml#l00137">Convolution.cpp:137</a></div></div>
 483 <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#l00142">helpers.h:142</a></div></div>
 484 <div class="ttc" id="fixed__point_8h_xhtml_a36f754c05b6fddf6df0d8d0a74f8159f"><div class="ttname"><a href="fixed__point_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="fixed__point_8h_source.xhtml#l00093">fixed_point.h:93</a></div></div>
 485 <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>
 486 <div class="ttc" id="namespacearm__compute_1_1test_1_1validation_xhtml_a6743f0a130e8311e6f5b1a23df102472"><div class="ttname"><a href="namespacearm__compute_1_1test_1_1validation.xhtml#a6743f0a130e8311e6f5b1a23df102472">arm_compute::test::validation::src</a></div><div class="ttdeci">convolution configure &amp; src</div><div class="ttdef"><b>Definition:</b> <a href="_c_l_2_convolution_8cpp_source.xhtml#l00147">Convolution.cpp:147</a></div></div>
 487 </div><!-- fragment -->
 488 </div>
 489 </div>
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 494   <ul>
 495     <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="convolution3x3_8cl.xhtml">convolution3x3.cl</a></li>
 496     <li class="footer">Generated on Wed May 23 2018 11:36:38 for Compute Library by
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