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 114 <div class="header">
 115   <div class="summary">
 116 <a href="#define-members">Macros</a> &#124;
 117 <a href="#func-members">Functions</a>  </div>
 118   <div class="headertitle">
 119 <div class="title">convolution3x3.cl File Reference</div>  </div>
 120 </div><!--header-->
 121 <div class="contents">
 122 <div class="textblock"><code>#include &quot;<a class="el" href="helpers_8h_source.xhtml">helpers.h</a>&quot;</code><br />
 123 </div>
 124 <p><a href="convolution3x3_8cl_source.xhtml">Go to the source code of this file.</a></p>
 125 <table class="memberdecls">
 126 <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="define-members"></a>
 127 Macros</h2></td></tr>
 128 <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>
 129 <tr class="separator:afb8c72ce35c4a1f4a2588d6573e54aa1"><td class="memSeparator" colspan="2">&#160;</td></tr>
 130 <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>
 131 <tr class="separator:ac06f3e24d3fffd3c465d8b2a6e7c985e"><td class="memSeparator" colspan="2">&#160;</td></tr>
 132 </table><table class="memberdecls">
 133 <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
 134 Functions</h2></td></tr>
 135 <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>
 136 <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>
 137 <tr class="separator:a92702074338198e81a46c3e309d9b04f"><td class="memSeparator" colspan="2">&#160;</td></tr>
 138 <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>
 139 <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>
 140 <tr class="separator:afc5fefe72e66f0ae5191fd5b708fade9"><td class="memSeparator" colspan="2">&#160;</td></tr>
 141 <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>
 142 <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>
 143 <tr class="separator:aa0b80492bb4faef0b052d95a8aa147e4"><td class="memSeparator" colspan="2">&#160;</td></tr>
 144 </table>
 145 <h2 class="groupheader">Macro Definition Documentation</h2>
 146 <a class="anchor" id="afb8c72ce35c4a1f4a2588d6573e54aa1"></a>
 147 <div class="memitem">
 148 <div class="memproto">
 149       <table class="memname">
 150         <tr>
 151           <td class="memname">#define DATA_TYPE&#160;&#160;&#160;short</td>
 152         </tr>
 153       </table>
 154 </div><div class="memdoc">
 155
 156 <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>
 157
 158 <p>Referenced by <a class="el" href="activation__layer_8cl_source.xhtml#l00046">activation_layer()</a>, <a class="el" href="warp__helpers_8h_source.xhtml#l00080">bilinear_interpolate()</a>, <a class="el" href="convolution__layer_8cl_source.xhtml#l00175">col2im()</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="fill__border_8cl_source.xhtml#l00118">fill_image_borders_constant()</a>, <a class="el" href="fill__border_8cl_source.xhtml#l00044">fill_image_borders_replicate()</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="convolution__layer_8cl_source.xhtml#l00105">im2col_generic()</a>, <a class="el" href="convolution__layer_8cl_source.xhtml#l00208">im2col_reduced()</a>, <a class="el" href="magnitude__phase_8cl_source.xhtml#l00045">magnitude_l2()</a>, <a class="el" href="magnitude__phase_8cl_source.xhtml#l00131">magnitude_phase()</a>, <a class="el" href="minmaxloc_8cl_source.xhtml#l00123">minmaxloc()</a>, <a class="el" href="nonmax_8cl_source.xhtml#l00041">non_max_suppression()</a>, <a class="el" href="normalization__layer_8cl_source.xhtml#l00059">normalization_layer_cross_map()</a>, <a class="el" href="normalization__layer_8cl_source.xhtml#l00124">normalization_layer_in_map()</a>, <a class="el" href="pooling__layer_8cl_source.xhtml#l00064">pooling_layer_2()</a>, <a class="el" href="pooling__layer_8cl_source.xhtml#l00118">pooling_layer_3()</a>, <a class="el" href="warp__helpers_8h_source.xhtml#l00045">read_texels4()</a>, <a class="el" href="convolution__layer_8cl_source.xhtml#l00053">reshape_to_columns()</a>, <a class="el" href="scale_8cl_source.xhtml#l00110">scale_bilinear()</a>, <a class="el" href="scale_8cl_source.xhtml#l00076">scale_nearest_neighbour()</a>, and <a class="el" href="transpose_8cl_source.xhtml#l00145">transpose()</a>.</p>
 159
 160 </div>
 161 </div>
 162 <a class="anchor" id="ac06f3e24d3fffd3c465d8b2a6e7c985e"></a>
 163 <div class="memitem">
 164 <div class="memproto">
 165       <table class="memname">
 166         <tr>
 167           <td class="memname">#define DATA_TYPE_OUT&#160;&#160;&#160;uchar</td>
 168         </tr>
 169       </table>
 170 </div><div class="memdoc">
 171
 172 <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>
 173
 174 <p>Referenced by <a class="el" href="absdiff_8cl_source.xhtml#l00050">absdiff()</a>, <a class="el" href="arithmetic__op_8cl_source.xhtml#l00059">arithmetic_add()</a>, <a class="el" href="arithmetic__op_8cl_source.xhtml#l00104">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#l00051">convert_depth_down()</a>, <a class="el" href="depth__convert_8cl_source.xhtml#l00085">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#l00061">pixelwise_mul_float()</a>, <a class="el" href="pixelwise__mul__int_8cl_source.xhtml#l00060">pixelwise_mul_int()</a>, and <a class="el" href="canny_8cl_source.xhtml#l00191">suppress_non_maximum()</a>.</p>
 175
 176 </div>
 177 </div>
 178 <h2 class="groupheader">Function Documentation</h2>
 179 <a class="anchor" id="a92702074338198e81a46c3e309d9b04f"></a>
 180 <div class="memitem">
 181 <div class="memproto">
 182 <table class="mlabels">
 183   <tr>
 184   <td class="mlabels-left">
 185       <table class="memname">
 186         <tr>
 187           <td class="memname">short8 convolution1x3 </td>
 188           <td>(</td>
 189           <td class="paramtype">__global const uchar *&#160;</td>
 190           <td class="paramname"><em>left_pixel</em>, </td>
 191         </tr>
 192         <tr>
 193           <td class="paramkey"></td>
 194           <td></td>
 195           <td class="paramtype">const short&#160;</td>
 196           <td class="paramname"><em>left_coeff</em>, </td>
 197         </tr>
 198         <tr>
 199           <td class="paramkey"></td>
 200           <td></td>
 201           <td class="paramtype">const short&#160;</td>
 202           <td class="paramname"><em>middle_coeff</em>, </td>
 203         </tr>
 204         <tr>
 205           <td class="paramkey"></td>
 206           <td></td>
 207           <td class="paramtype">const short&#160;</td>
 208           <td class="paramname"><em>right_coeff</em>&#160;</td>
 209         </tr>
 210         <tr>
 211           <td></td>
 212           <td>)</td>
 213           <td></td><td></td>
 214         </tr>
 215       </table>
 216   </td>
 217   <td class="mlabels-right">
 218 <span class="mlabels"><span class="mlabel">inline</span></span>  </td>
 219   </tr>
 220 </table>
 221 </div><div class="memdoc">
 222
 223 <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>
 224 <dl class="params"><dt>Parameters</dt><dd>
 225   <table class="params">
 226     <tr><td class="paramdir">[in]</td><td class="paramname">left_pixel</td><td>Pointer to the left pixel. </td></tr>
 227     <tr><td class="paramdir">[in]</td><td class="paramname">left_coeff</td><td>Weight of the left pixel </td></tr>
 228     <tr><td class="paramdir">[in]</td><td class="paramname">middle_coeff</td><td>Weight of the middle pixel </td></tr>
 229     <tr><td class="paramdir">[in]</td><td class="paramname">right_coeff</td><td>Weight of the right pixel</td></tr>
 230   </table>
 231   </dd>
 232 </dl>
 233 <dl class="section return"><dt>Returns</dt><dd>a short8 containing 8 convoluted values. </dd></dl>
 234
 235 <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>
 236
 237 <p>References <a class="el" href="helpers_8h_source.xhtml#l00035">CONVERT</a>, <a class="el" href="convolution3x3_8cl_source.xhtml#l00027">DATA_TYPE</a>, and <a class="el" href="helpers_8h_source.xhtml#l00032">VEC_DATA_TYPE</a>.</p>
 238
 239 <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>
 240 <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="helpers_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="helpers_8h.xhtml#aa8d95ba04fc73845abc6045952cae5be">CONVERT</a>(temp.s01234567, <a class="code" href="helpers_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="helpers_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="helpers_8h.xhtml#aa8d95ba04fc73845abc6045952cae5be">CONVERT</a>(temp.s12345678, <a class="code" href="helpers_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="helpers_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="helpers_8h.xhtml#aa8d95ba04fc73845abc6045952cae5be">CONVERT</a>(temp.s23456789, <a class="code" href="helpers_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="helpers_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(DATA_TYPE, 8))left_coeff + middle * (<a class="code" href="helpers_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(DATA_TYPE, 8))middle_coeff + right * (<a class="code" href="helpers_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="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>
 241 <div class="ttc" id="helpers_8h_xhtml_a36f754c05b6fddf6df0d8d0a74f8159f"><div class="ttname"><a href="helpers_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a></div><div class="ttdeci">#define VEC_DATA_TYPE(type, size)</div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00032">helpers.h:32</a></div></div>
 242 <div class="ttc" id="helpers_8h_xhtml_aa8d95ba04fc73845abc6045952cae5be"><div class="ttname"><a href="helpers_8h.xhtml#aa8d95ba04fc73845abc6045952cae5be">CONVERT</a></div><div class="ttdeci">#define CONVERT(x, type)</div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00035">helpers.h:35</a></div></div>
 243 </div><!-- fragment -->
 244 </div>
 245 </div>
 246 <a class="anchor" id="afc5fefe72e66f0ae5191fd5b708fade9"></a>
 247 <div class="memitem">
 248 <div class="memproto">
 249 <table class="mlabels">
 250   <tr>
 251   <td class="mlabels-left">
 252       <table class="memname">
 253         <tr>
 254           <td class="memname">short8 convolution3x3 </td>
 255           <td>(</td>
 256           <td class="paramtype"><a class="el" href="struct_image.xhtml">Image</a> *&#160;</td>
 257           <td class="paramname"><em>src</em>, </td>
 258         </tr>
 259         <tr>
 260           <td class="paramkey"></td>
 261           <td></td>
 262           <td class="paramtype">const short&#160;</td>
 263           <td class="paramname"><em>mat0</em>, </td>
 264         </tr>
 265         <tr>
 266           <td class="paramkey"></td>
 267           <td></td>
 268           <td class="paramtype">const short&#160;</td>
 269           <td class="paramname"><em>mat1</em>, </td>
 270         </tr>
 271         <tr>
 272           <td class="paramkey"></td>
 273           <td></td>
 274           <td class="paramtype">const short&#160;</td>
 275           <td class="paramname"><em>mat2</em>, </td>
 276         </tr>
 277         <tr>
 278           <td class="paramkey"></td>
 279           <td></td>
 280           <td class="paramtype">const short&#160;</td>
 281           <td class="paramname"><em>mat3</em>, </td>
 282         </tr>
 283         <tr>
 284           <td class="paramkey"></td>
 285           <td></td>
 286           <td class="paramtype">const short&#160;</td>
 287           <td class="paramname"><em>mat4</em>, </td>
 288         </tr>
 289         <tr>
 290           <td class="paramkey"></td>
 291           <td></td>
 292           <td class="paramtype">const short&#160;</td>
 293           <td class="paramname"><em>mat5</em>, </td>
 294         </tr>
 295         <tr>
 296           <td class="paramkey"></td>
 297           <td></td>
 298           <td class="paramtype">const short&#160;</td>
 299           <td class="paramname"><em>mat6</em>, </td>
 300         </tr>
 301         <tr>
 302           <td class="paramkey"></td>
 303           <td></td>
 304           <td class="paramtype">const short&#160;</td>
 305           <td class="paramname"><em>mat7</em>, </td>
 306         </tr>
 307         <tr>
 308           <td class="paramkey"></td>
 309           <td></td>
 310           <td class="paramtype">const short&#160;</td>
 311           <td class="paramname"><em>mat8</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>scale</em>&#160;</td>
 318         </tr>
 319         <tr>
 320           <td></td>
 321           <td>)</td>
 322           <td></td><td></td>
 323         </tr>
 324       </table>
 325   </td>
 326   <td class="mlabels-right">
 327 <span class="mlabels"><span class="mlabel">inline</span></span>  </td>
 328   </tr>
 329 </table>
 330 </div><div class="memdoc">
 331
 332 <p>Apply a 3x3 convolution matrix to a single channel U8 input image and return the result. </p>
 333 <p>Convolution matrix layout:</p>
 334 <p>[ mat0, mat1, mat2 ]<br />
 335 [ mat3, mat4, mat5 ]<br />
 336 [ mat6, mat7, mat8 ]<br />
 337  </p><dl class="params"><dt>Parameters</dt><dd>
 338   <table class="params">
 339     <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>
 340     <tr><td class="paramdir">[in]</td><td class="paramname">mat0</td><td>Coefficient from the convolution matrix </td></tr>
 341     <tr><td class="paramdir">[in]</td><td class="paramname">mat1</td><td>Coefficient from the convolution matrix </td></tr>
 342     <tr><td class="paramdir">[in]</td><td class="paramname">mat2</td><td>Coefficient from the convolution matrix </td></tr>
 343     <tr><td class="paramdir">[in]</td><td class="paramname">mat3</td><td>Coefficient from the convolution matrix </td></tr>
 344     <tr><td class="paramdir">[in]</td><td class="paramname">mat4</td><td>Coefficient from the convolution matrix </td></tr>
 345     <tr><td class="paramdir">[in]</td><td class="paramname">mat5</td><td>Coefficient from the convolution matrix </td></tr>
 346     <tr><td class="paramdir">[in]</td><td class="paramname">mat6</td><td>Coefficient from the convolution matrix </td></tr>
 347     <tr><td class="paramdir">[in]</td><td class="paramname">mat0</td><td>Coefficient from the convolution matrix </td></tr>
 348     <tr><td class="paramdir">[in]</td><td class="paramname">mat7</td><td>Coefficient from the convolution matrix </td></tr>
 349     <tr><td class="paramdir">[in]</td><td class="paramname">mat8</td><td>Coefficient from the convolution matrix </td></tr>
 350     <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>
 351   </table>
 352   </dd>
 353 </dl>
 354 <dl class="section return"><dt>Returns</dt><dd>a short8 containing 8 convoluted and scaled values. </dd></dl>
 355
 356 <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>
 357
 358 <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#l00201">offset()</a>, and <a class="el" href="helpers_8h_source.xhtml#l00032">VEC_DATA_TYPE</a>.</p>
 359
 360 <p>Referenced by <a class="el" href="convolution3x3_8cl_source.xhtml#l00123">convolution3x3_static()</a>.</p>
 361 <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="helpers_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="helpers_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(<a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a>, 8))scale;</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>
 362 <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>
 363 <div class="ttc" id="helpers_8h_xhtml_a36f754c05b6fddf6df0d8d0a74f8159f"><div class="ttname"><a href="helpers_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a></div><div class="ttdeci">#define VEC_DATA_TYPE(type, size)</div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00032">helpers.h:32</a></div></div>
 364 <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>
 365 </div><!-- fragment -->
 366 </div>
 367 </div>
 368 <a class="anchor" id="aa0b80492bb4faef0b052d95a8aa147e4"></a>
 369 <div class="memitem">
 370 <div class="memproto">
 371       <table class="memname">
 372         <tr>
 373           <td class="memname">__kernel void convolution3x3_static </td>
 374           <td>(</td>
 375           <td class="paramtype">__global uchar *&#160;</td>
 376           <td class="paramname"><em>src_ptr</em>, </td>
 377         </tr>
 378         <tr>
 379           <td class="paramkey"></td>
 380           <td></td>
 381           <td class="paramtype">uint&#160;</td>
 382           <td class="paramname"><em>src_stride_x</em>, </td>
 383         </tr>
 384         <tr>
 385           <td class="paramkey"></td>
 386           <td></td>
 387           <td class="paramtype">uint&#160;</td>
 388           <td class="paramname"><em>src_step_x</em>, </td>
 389         </tr>
 390         <tr>
 391           <td class="paramkey"></td>
 392           <td></td>
 393           <td class="paramtype">uint&#160;</td>
 394           <td class="paramname"><em>src_stride_y</em>, </td>
 395         </tr>
 396         <tr>
 397           <td class="paramkey"></td>
 398           <td></td>
 399           <td class="paramtype">uint&#160;</td>
 400           <td class="paramname"><em>src_step_y</em>, </td>
 401         </tr>
 402         <tr>
 403           <td class="paramkey"></td>
 404           <td></td>
 405           <td class="paramtype">uint&#160;</td>
 406           <td class="paramname"><em>src_offset_first_element_in_bytes</em>, </td>
 407         </tr>
 408         <tr>
 409           <td class="paramkey"></td>
 410           <td></td>
 411           <td class="paramtype">__global uchar *&#160;</td>
 412           <td class="paramname"><em>dst_ptr</em>, </td>
 413         </tr>
 414         <tr>
 415           <td class="paramkey"></td>
 416           <td></td>
 417           <td class="paramtype">uint&#160;</td>
 418           <td class="paramname"><em>dst_stride_x</em>, </td>
 419         </tr>
 420         <tr>
 421           <td class="paramkey"></td>
 422           <td></td>
 423           <td class="paramtype">uint&#160;</td>
 424           <td class="paramname"><em>dst_step_x</em>, </td>
 425         </tr>
 426         <tr>
 427           <td class="paramkey"></td>
 428           <td></td>
 429           <td class="paramtype">uint&#160;</td>
 430           <td class="paramname"><em>dst_stride_y</em>, </td>
 431         </tr>
 432         <tr>
 433           <td class="paramkey"></td>
 434           <td></td>
 435           <td class="paramtype">uint&#160;</td>
 436           <td class="paramname"><em>dst_step_y</em>, </td>
 437         </tr>
 438         <tr>
 439           <td class="paramkey"></td>
 440           <td></td>
 441           <td class="paramtype">uint&#160;</td>
 442           <td class="paramname"><em>dst_offset_first_element_in_bytes</em>&#160;</td>
 443         </tr>
 444         <tr>
 445           <td></td>
 446           <td>)</td>
 447           <td></td><td></td>
 448         </tr>
 449       </table>
 450 </div><div class="memdoc">
 451
 452 <p>Apply a 3x3 static convolution matrix to a single channel U8 input image and output a single channel image. </p>
 453 <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 />
 454 e.g. -DMAT0=1 -DMAT2=2, ...-DMAT8=8, -DSCALE=1, -DDATA_TYPE=int, -DDATA_TYPE_OUT=int</dd></dl>
 455 <dl class="params"><dt>Parameters</dt><dd>
 456   <table class="params">
 457     <tr><td class="paramdir">[in]</td><td class="paramname">src_ptr</td><td>Pointer to the source image </td></tr>
 458     <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>
 459     <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>
 460     <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>
 461     <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>
 462     <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>
 463     <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>
 464     <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>
 465     <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>
 466     <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>
 467     <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>
 468     <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>
 469   </table>
 470   </dd>
 471 </dl>
 472
 473 <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>
 474
 475 <p>References <a class="el" href="helpers_8h_source.xhtml#l00038">CONVERT_SAT</a>, <a class="el" href="helpers_8h_source.xhtml#l00073">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="helpers_8h_source.xhtml#l00097">Image::ptr</a>, and <a class="el" href="helpers_8h_source.xhtml#l00032">VEC_DATA_TYPE</a>.</p>
 476 <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> src = <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> dst = <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="helpers_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="helpers_8h.xhtml#a23fb01b6f3453cc0e48a026fd44f6acd">CONVERT_SAT</a>(pixels, <a class="code" href="helpers_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>
 477 <div class="ttc" id="helpers_8h_xhtml_aebe814363556c244be043b13e7969197"><div class="ttname"><a href="helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a></div><div class="ttdeci">#define CONVERT_TO_IMAGE_STRUCT(name)</div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00073">helpers.h:73</a></div></div>
 478 <div class="ttc" id="helpers_8h_xhtml_a36f754c05b6fddf6df0d8d0a74f8159f"><div class="ttname"><a href="helpers_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a></div><div class="ttdeci">#define VEC_DATA_TYPE(type, size)</div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00032">helpers.h:32</a></div></div>
 479 <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>
 480 <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>
 481 <div class="ttc" id="helpers_8h_xhtml_a23fb01b6f3453cc0e48a026fd44f6acd"><div class="ttname"><a href="helpers_8h.xhtml#a23fb01b6f3453cc0e48a026fd44f6acd">CONVERT_SAT</a></div><div class="ttdeci">#define CONVERT_SAT(x, type)</div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00038">helpers.h:38</a></div></div>
 482 <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>
 483 </div><!-- fragment -->
 484 </div>
 485 </div>
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 487 </div><!-- doc-content -->
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 490   <ul>
 491     <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>
 492     <li class="footer">Generated on Wed Apr 12 2017 14:26:05 for ARM Compute Library by
 493     <a href="http://www.doxygen.org/index.html">
 494     <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.11 </li>
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