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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">channel_extract.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="channel__extract_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:aeecb8084159259d10790df3e0a602cbf"><td class="memItemLeft" align="right" valign="top">__kernel void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="channel__extract_8cl.xhtml#aeecb8084159259d10790df3e0a602cbf">channel_extract_RGB888</a> (__global uchar *src_ptr, uint src_stride_x, uint src_step_x, uint src_stride_y, uint src_step_y, uint src_offset_first_element_in_bytes, __global uchar *dst_ptr, uint dst_stride_x, uint dst_step_x, uint dst_stride_y, uint dst_step_y, uint dst_offset_first_element_in_bytes)</td></tr>
 128 <tr class="memdesc:aeecb8084159259d10790df3e0a602cbf"><td class="mdescLeft">&#160;</td><td class="mdescRight">This function extracts a given channel from an RGB image.  <a href="#aeecb8084159259d10790df3e0a602cbf">More...</a><br /></td></tr>
 129 <tr class="separator:aeecb8084159259d10790df3e0a602cbf"><td class="memSeparator" colspan="2">&#160;</td></tr>
 130 <tr class="memitem:ae133ea6ea26771fc36a31d0a3d783077"><td class="memItemLeft" align="right" valign="top">__kernel void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="channel__extract_8cl.xhtml#ae133ea6ea26771fc36a31d0a3d783077">channel_extract_RGBA8888</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>
 131 <tr class="memdesc:ae133ea6ea26771fc36a31d0a3d783077"><td class="mdescLeft">&#160;</td><td class="mdescRight">This function extracts a given channel from an RGBA image.  <a href="#ae133ea6ea26771fc36a31d0a3d783077">More...</a><br /></td></tr>
 132 <tr class="separator:ae133ea6ea26771fc36a31d0a3d783077"><td class="memSeparator" colspan="2">&#160;</td></tr>
 133 <tr class="memitem:a6f8110fd6923dfc2db9daf1f3ed92435"><td class="memItemLeft" align="right" valign="top">__kernel void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="channel__extract_8cl.xhtml#a6f8110fd6923dfc2db9daf1f3ed92435">channel_extract_YUYV422</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>
 134 <tr class="memdesc:a6f8110fd6923dfc2db9daf1f3ed92435"><td class="mdescLeft">&#160;</td><td class="mdescRight">This function extracts a given channel from an YUYV image.  <a href="#a6f8110fd6923dfc2db9daf1f3ed92435">More...</a><br /></td></tr>
 135 <tr class="separator:a6f8110fd6923dfc2db9daf1f3ed92435"><td class="memSeparator" colspan="2">&#160;</td></tr>
 136 <tr class="memitem:a3d22dccc2444106a5325b842c096486c"><td class="memItemLeft" align="right" valign="top">__kernel void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="channel__extract_8cl.xhtml#a3d22dccc2444106a5325b842c096486c">channel_extract_UYVY422</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>
 137 <tr class="memdesc:a3d22dccc2444106a5325b842c096486c"><td class="mdescLeft">&#160;</td><td class="mdescRight">This function extracts a given channel from an UYUV image.  <a href="#a3d22dccc2444106a5325b842c096486c">More...</a><br /></td></tr>
 138 <tr class="separator:a3d22dccc2444106a5325b842c096486c"><td class="memSeparator" colspan="2">&#160;</td></tr>
 139 <tr class="memitem:a5dc3971835f11066639e63f02545932b"><td class="memItemLeft" align="right" valign="top">__kernel void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="channel__extract_8cl.xhtml#a5dc3971835f11066639e63f02545932b">channel_extract_NV12</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>
 140 <tr class="memdesc:a5dc3971835f11066639e63f02545932b"><td class="mdescLeft">&#160;</td><td class="mdescRight">This function extracts a given channel from an NV12 image.  <a href="#a5dc3971835f11066639e63f02545932b">More...</a><br /></td></tr>
 141 <tr class="separator:a5dc3971835f11066639e63f02545932b"><td class="memSeparator" colspan="2">&#160;</td></tr>
 142 <tr class="memitem:a628f0c1a3a80b8dc275ad0ca877e3833"><td class="memItemLeft" align="right" valign="top">__kernel void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="channel__extract_8cl.xhtml#a628f0c1a3a80b8dc275ad0ca877e3833">channel_extract_NV21</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:a628f0c1a3a80b8dc275ad0ca877e3833"><td class="mdescLeft">&#160;</td><td class="mdescRight">This function extracts a given channel from an NV21 image.  <a href="#a628f0c1a3a80b8dc275ad0ca877e3833">More...</a><br /></td></tr>
 144 <tr class="separator:a628f0c1a3a80b8dc275ad0ca877e3833"><td class="memSeparator" colspan="2">&#160;</td></tr>
 145 <tr class="memitem:a8b54e12b0c19a206a73ade8e8bed82f3"><td class="memItemLeft" align="right" valign="top">__kernel void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="channel__extract_8cl.xhtml#a8b54e12b0c19a206a73ade8e8bed82f3">copy_plane</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>
 146 <tr class="memdesc:a8b54e12b0c19a206a73ade8e8bed82f3"><td class="mdescLeft">&#160;</td><td class="mdescRight">This function extracts a given plane from an multi-planar image.  <a href="#a8b54e12b0c19a206a73ade8e8bed82f3">More...</a><br /></td></tr>
 147 <tr class="separator:a8b54e12b0c19a206a73ade8e8bed82f3"><td class="memSeparator" colspan="2">&#160;</td></tr>
 148 </table>
 149 <h2 class="groupheader">Function Documentation</h2>
 150 <a class="anchor" id="a5dc3971835f11066639e63f02545932b"></a>
 151 <div class="memitem">
 152 <div class="memproto">
 153       <table class="memname">
 154         <tr>
 155           <td class="memname">__kernel void channel_extract_NV12 </td>
 156           <td>(</td>
 157           <td class="paramtype">__global uchar *&#160;</td>
 158           <td class="paramname"><em>src_ptr</em>, </td>
 159         </tr>
 160         <tr>
 161           <td class="paramkey"></td>
 162           <td></td>
 163           <td class="paramtype">uint&#160;</td>
 164           <td class="paramname"><em>src_stride_x</em>, </td>
 165         </tr>
 166         <tr>
 167           <td class="paramkey"></td>
 168           <td></td>
 169           <td class="paramtype">uint&#160;</td>
 170           <td class="paramname"><em>src_step_x</em>, </td>
 171         </tr>
 172         <tr>
 173           <td class="paramkey"></td>
 174           <td></td>
 175           <td class="paramtype">uint&#160;</td>
 176           <td class="paramname"><em>src_stride_y</em>, </td>
 177         </tr>
 178         <tr>
 179           <td class="paramkey"></td>
 180           <td></td>
 181           <td class="paramtype">uint&#160;</td>
 182           <td class="paramname"><em>src_step_y</em>, </td>
 183         </tr>
 184         <tr>
 185           <td class="paramkey"></td>
 186           <td></td>
 187           <td class="paramtype">uint&#160;</td>
 188           <td class="paramname"><em>src_offset_first_element_in_bytes</em>, </td>
 189         </tr>
 190         <tr>
 191           <td class="paramkey"></td>
 192           <td></td>
 193           <td class="paramtype">__global uchar *&#160;</td>
 194           <td class="paramname"><em>dst_ptr</em>, </td>
 195         </tr>
 196         <tr>
 197           <td class="paramkey"></td>
 198           <td></td>
 199           <td class="paramtype">uint&#160;</td>
 200           <td class="paramname"><em>dst_stride_x</em>, </td>
 201         </tr>
 202         <tr>
 203           <td class="paramkey"></td>
 204           <td></td>
 205           <td class="paramtype">uint&#160;</td>
 206           <td class="paramname"><em>dst_step_x</em>, </td>
 207         </tr>
 208         <tr>
 209           <td class="paramkey"></td>
 210           <td></td>
 211           <td class="paramtype">uint&#160;</td>
 212           <td class="paramname"><em>dst_stride_y</em>, </td>
 213         </tr>
 214         <tr>
 215           <td class="paramkey"></td>
 216           <td></td>
 217           <td class="paramtype">uint&#160;</td>
 218           <td class="paramname"><em>dst_step_y</em>, </td>
 219         </tr>
 220         <tr>
 221           <td class="paramkey"></td>
 222           <td></td>
 223           <td class="paramtype">uint&#160;</td>
 224           <td class="paramname"><em>dst_offset_first_element_in_bytes</em>&#160;</td>
 225         </tr>
 226         <tr>
 227           <td></td>
 228           <td>)</td>
 229           <td></td><td></td>
 230         </tr>
 231       </table>
 232 </div><div class="memdoc">
 233
 234 <p>This function extracts a given channel from an NV12 image. </p>
 235 <dl class="section note"><dt>Note</dt><dd>Channel to be extracted should be passed as a pre-processor argument, e.g. -DCHANNEL_U will extract the U channel. </dd></dl>
 236 <dl class="section warning"><dt>Warning</dt><dd>Only channels UV can be extracted using this kernel.</dd></dl>
 237 <dl class="params"><dt>Parameters</dt><dd>
 238   <table class="params">
 239     <tr><td class="paramdir">[in]</td><td class="paramname">src_ptr</td><td>Pointer to the source image. Supported Format: NV12 (UV88) </td></tr>
 240     <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>
 241     <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>
 242     <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>
 243     <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>
 244     <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>
 245     <tr><td class="paramdir">[out]</td><td class="paramname">dst_ptr</td><td>Pointer to the destination image. Supported Format: U8 </td></tr>
 246     <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>
 247     <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>
 248     <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>
 249     <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>
 250     <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>
 251   </table>
 252   </dd>
 253 </dl>
 254
 255 <p>Definition at line <a class="el" href="channel__extract_8cl_source.xhtml#l00195">195</a> of file <a class="el" href="channel__extract_8cl_source.xhtml">channel_extract.cl</a>.</p>
 256
 257 <p>References <a class="el" href="helpers_8h_source.xhtml#l00073">CONVERT_TO_IMAGE_STRUCT</a>, and <a class="el" href="helpers_8h_source.xhtml#l00097">Image::ptr</a>.</p>
 258 <div class="fragment"><div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;{</div><div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;    <span class="comment">// Get pixels pointer</span></div><div class="line"><a name="l00200"></a><span class="lineno">  200</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="l00201"></a><span class="lineno">  201</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="l00202"></a><span class="lineno">  202</span>&#160;</div><div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160;    uchar16 data = vload16(0, src.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>);</div><div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160;</div><div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160;<span class="preprocessor">#if defined CHANNEL_U</span></div><div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160;    vstore8(data.s02468ACE, 0, dst.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>);</div><div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;<span class="preprocessor">#elif defined CHANNEL_V</span></div><div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;    vstore8(data.s13579BDF, 0, dst.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>);</div><div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00210"></a><span class="lineno">  210</span>&#160;}</div><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>
 259 <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>
 260 <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>
 261 </div><!-- fragment -->
 262 </div>
 263 </div>
 264 <a class="anchor" id="a628f0c1a3a80b8dc275ad0ca877e3833"></a>
 265 <div class="memitem">
 266 <div class="memproto">
 267       <table class="memname">
 268         <tr>
 269           <td class="memname">__kernel void channel_extract_NV21 </td>
 270           <td>(</td>
 271           <td class="paramtype">__global uchar *&#160;</td>
 272           <td class="paramname"><em>src_ptr</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>src_stride_x</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>src_step_x</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>src_stride_y</em>, </td>
 291         </tr>
 292         <tr>
 293           <td class="paramkey"></td>
 294           <td></td>
 295           <td class="paramtype">uint&#160;</td>
 296           <td class="paramname"><em>src_step_y</em>, </td>
 297         </tr>
 298         <tr>
 299           <td class="paramkey"></td>
 300           <td></td>
 301           <td class="paramtype">uint&#160;</td>
 302           <td class="paramname"><em>src_offset_first_element_in_bytes</em>, </td>
 303         </tr>
 304         <tr>
 305           <td class="paramkey"></td>
 306           <td></td>
 307           <td class="paramtype">__global uchar *&#160;</td>
 308           <td class="paramname"><em>dst_ptr</em>, </td>
 309         </tr>
 310         <tr>
 311           <td class="paramkey"></td>
 312           <td></td>
 313           <td class="paramtype">uint&#160;</td>
 314           <td class="paramname"><em>dst_stride_x</em>, </td>
 315         </tr>
 316         <tr>
 317           <td class="paramkey"></td>
 318           <td></td>
 319           <td class="paramtype">uint&#160;</td>
 320           <td class="paramname"><em>dst_step_x</em>, </td>
 321         </tr>
 322         <tr>
 323           <td class="paramkey"></td>
 324           <td></td>
 325           <td class="paramtype">uint&#160;</td>
 326           <td class="paramname"><em>dst_stride_y</em>, </td>
 327         </tr>
 328         <tr>
 329           <td class="paramkey"></td>
 330           <td></td>
 331           <td class="paramtype">uint&#160;</td>
 332           <td class="paramname"><em>dst_step_y</em>, </td>
 333         </tr>
 334         <tr>
 335           <td class="paramkey"></td>
 336           <td></td>
 337           <td class="paramtype">uint&#160;</td>
 338           <td class="paramname"><em>dst_offset_first_element_in_bytes</em>&#160;</td>
 339         </tr>
 340         <tr>
 341           <td></td>
 342           <td>)</td>
 343           <td></td><td></td>
 344         </tr>
 345       </table>
 346 </div><div class="memdoc">
 347
 348 <p>This function extracts a given channel from an NV21 image. </p>
 349 <dl class="section note"><dt>Note</dt><dd>Channel to be extracted should be passed as a pre-processor argument, e.g. -DCHANNEL_U will extract the U channel. </dd></dl>
 350 <dl class="section warning"><dt>Warning</dt><dd>Only channels UV can be extracted using this kernel.</dd></dl>
 351 <dl class="params"><dt>Parameters</dt><dd>
 352   <table class="params">
 353     <tr><td class="paramdir">[in]</td><td class="paramname">src_ptr</td><td>Pointer to the source image. Supported Format: NV21 (UV88) </td></tr>
 354     <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>
 355     <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>
 356     <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>
 357     <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>
 358     <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>
 359     <tr><td class="paramdir">[out]</td><td class="paramname">dst_ptr</td><td>Pointer to the destination image. Supported Format: U8 </td></tr>
 360     <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>
 361     <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>
 362     <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>
 363     <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>
 364     <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>
 365   </table>
 366   </dd>
 367 </dl>
 368
 369 <p>Definition at line <a class="el" href="channel__extract_8cl_source.xhtml#l00230">230</a> of file <a class="el" href="channel__extract_8cl_source.xhtml">channel_extract.cl</a>.</p>
 370
 371 <p>References <a class="el" href="helpers_8h_source.xhtml#l00073">CONVERT_TO_IMAGE_STRUCT</a>, and <a class="el" href="helpers_8h_source.xhtml#l00097">Image::ptr</a>.</p>
 372 <div class="fragment"><div class="line"><a name="l00233"></a><span class="lineno">  233</span>&#160;{</div><div class="line"><a name="l00234"></a><span class="lineno">  234</span>&#160;    <span class="comment">// Get pixels pointer</span></div><div class="line"><a name="l00235"></a><span class="lineno">  235</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="l00236"></a><span class="lineno">  236</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="l00237"></a><span class="lineno">  237</span>&#160;</div><div class="line"><a name="l00238"></a><span class="lineno">  238</span>&#160;    uchar16 data = vload16(0, src.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>);</div><div class="line"><a name="l00239"></a><span class="lineno">  239</span>&#160;</div><div class="line"><a name="l00240"></a><span class="lineno">  240</span>&#160;<span class="preprocessor">#if defined CHANNEL_U</span></div><div class="line"><a name="l00241"></a><span class="lineno">  241</span>&#160;    vstore8(data.s13579BDF, 0, dst.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>);</div><div class="line"><a name="l00242"></a><span class="lineno">  242</span>&#160;<span class="preprocessor">#elif defined CHANNEL_V</span></div><div class="line"><a name="l00243"></a><span class="lineno">  243</span>&#160;    vstore8(data.s02468ACE, 0, dst.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>);</div><div class="line"><a name="l00244"></a><span class="lineno">  244</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00245"></a><span class="lineno">  245</span>&#160;}</div><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>
 373 <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>
 374 <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>
 375 </div><!-- fragment -->
 376 </div>
 377 </div>
 378 <a class="anchor" id="aeecb8084159259d10790df3e0a602cbf"></a>
 379 <div class="memitem">
 380 <div class="memproto">
 381       <table class="memname">
 382         <tr>
 383           <td class="memname">__kernel void channel_extract_RGB888 </td>
 384           <td>(</td>
 385           <td class="paramtype">__global uchar *&#160;</td>
 386           <td class="paramname"><em>src_ptr</em>, </td>
 387         </tr>
 388         <tr>
 389           <td class="paramkey"></td>
 390           <td></td>
 391           <td class="paramtype">uint&#160;</td>
 392           <td class="paramname"><em>src_stride_x</em>, </td>
 393         </tr>
 394         <tr>
 395           <td class="paramkey"></td>
 396           <td></td>
 397           <td class="paramtype">uint&#160;</td>
 398           <td class="paramname"><em>src_step_x</em>, </td>
 399         </tr>
 400         <tr>
 401           <td class="paramkey"></td>
 402           <td></td>
 403           <td class="paramtype">uint&#160;</td>
 404           <td class="paramname"><em>src_stride_y</em>, </td>
 405         </tr>
 406         <tr>
 407           <td class="paramkey"></td>
 408           <td></td>
 409           <td class="paramtype">uint&#160;</td>
 410           <td class="paramname"><em>src_step_y</em>, </td>
 411         </tr>
 412         <tr>
 413           <td class="paramkey"></td>
 414           <td></td>
 415           <td class="paramtype">uint&#160;</td>
 416           <td class="paramname"><em>src_offset_first_element_in_bytes</em>, </td>
 417         </tr>
 418         <tr>
 419           <td class="paramkey"></td>
 420           <td></td>
 421           <td class="paramtype">__global uchar *&#160;</td>
 422           <td class="paramname"><em>dst_ptr</em>, </td>
 423         </tr>
 424         <tr>
 425           <td class="paramkey"></td>
 426           <td></td>
 427           <td class="paramtype">uint&#160;</td>
 428           <td class="paramname"><em>dst_stride_x</em>, </td>
 429         </tr>
 430         <tr>
 431           <td class="paramkey"></td>
 432           <td></td>
 433           <td class="paramtype">uint&#160;</td>
 434           <td class="paramname"><em>dst_step_x</em>, </td>
 435         </tr>
 436         <tr>
 437           <td class="paramkey"></td>
 438           <td></td>
 439           <td class="paramtype">uint&#160;</td>
 440           <td class="paramname"><em>dst_stride_y</em>, </td>
 441         </tr>
 442         <tr>
 443           <td class="paramkey"></td>
 444           <td></td>
 445           <td class="paramtype">uint&#160;</td>
 446           <td class="paramname"><em>dst_step_y</em>, </td>
 447         </tr>
 448         <tr>
 449           <td class="paramkey"></td>
 450           <td></td>
 451           <td class="paramtype">uint&#160;</td>
 452           <td class="paramname"><em>dst_offset_first_element_in_bytes</em>&#160;</td>
 453         </tr>
 454         <tr>
 455           <td></td>
 456           <td>)</td>
 457           <td></td><td></td>
 458         </tr>
 459       </table>
 460 </div><div class="memdoc">
 461
 462 <p>This function extracts a given channel from an RGB image. </p>
 463 <dl class="section note"><dt>Note</dt><dd>Channel to be extracted should be passed as a pre-processor argument, e.g. -DCHANNEL_B will extract the B channel.</dd></dl>
 464 <dl class="params"><dt>Parameters</dt><dd>
 465   <table class="params">
 466     <tr><td class="paramdir">[in]</td><td class="paramname">src_ptr</td><td>Pointer to the source image. Supported Format: RGB </td></tr>
 467     <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>
 468     <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>
 469     <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>
 470     <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>
 471     <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>
 472     <tr><td class="paramdir">[out]</td><td class="paramname">dst_ptr</td><td>Pointer to the destination image. Supported Format: U8 </td></tr>
 473     <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>
 474     <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>
 475     <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>
 476     <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>
 477     <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>
 478   </table>
 479   </dd>
 480 </dl>
 481
 482 <p>Definition at line <a class="el" href="channel__extract_8cl_source.xhtml#l00043">43</a> of file <a class="el" href="channel__extract_8cl_source.xhtml">channel_extract.cl</a>.</p>
 483
 484 <p>References <a class="el" href="helpers_8h_source.xhtml#l00073">CONVERT_TO_IMAGE_STRUCT</a>, and <a class="el" href="helpers_8h_source.xhtml#l00097">Image::ptr</a>.</p>
 485 <div class="fragment"><div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;{</div><div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;    <span class="comment">// Get pixels pointer</span></div><div class="line"><a name="l00048"></a><span class="lineno">   48</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="l00049"></a><span class="lineno">   49</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="l00050"></a><span class="lineno">   50</span>&#160;</div><div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;    uchar16 data  = vload16(0, src.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>);</div><div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;    uchar8  data2 = vload8(0, src.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a> + 16);</div><div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;</div><div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;<span class="preprocessor">#if defined CHANNEL_R</span></div><div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;    vstore4(data.s0369, 0, dst.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>);</div><div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;    vstore4((uchar4)(data.sCF, data2.s25), 0, dst.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a> + 4);</div><div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;<span class="preprocessor">#elif defined CHANNEL_G</span></div><div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;    vstore4(data.s147A, 0, dst.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>);</div><div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;    vstore4((uchar4)(data.sD, data2.s036), 0, dst.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a> + 4);</div><div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;<span class="preprocessor">#elif defined CHANNEL_B</span></div><div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;    vstore4(data.s258B, 0, dst.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>);</div><div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;    vstore4((uchar4)(data.sE, data2.s147), 0, dst.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a> + 4);</div><div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;}</div><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>
 486 <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>
 487 <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>
 488 </div><!-- fragment -->
 489 </div>
 490 </div>
 491 <a class="anchor" id="ae133ea6ea26771fc36a31d0a3d783077"></a>
 492 <div class="memitem">
 493 <div class="memproto">
 494       <table class="memname">
 495         <tr>
 496           <td class="memname">__kernel void channel_extract_RGBA8888 </td>
 497           <td>(</td>
 498           <td class="paramtype">__global uchar *&#160;</td>
 499           <td class="paramname"><em>src_ptr</em>, </td>
 500         </tr>
 501         <tr>
 502           <td class="paramkey"></td>
 503           <td></td>
 504           <td class="paramtype">uint&#160;</td>
 505           <td class="paramname"><em>src_stride_x</em>, </td>
 506         </tr>
 507         <tr>
 508           <td class="paramkey"></td>
 509           <td></td>
 510           <td class="paramtype">uint&#160;</td>
 511           <td class="paramname"><em>src_step_x</em>, </td>
 512         </tr>
 513         <tr>
 514           <td class="paramkey"></td>
 515           <td></td>
 516           <td class="paramtype">uint&#160;</td>
 517           <td class="paramname"><em>src_stride_y</em>, </td>
 518         </tr>
 519         <tr>
 520           <td class="paramkey"></td>
 521           <td></td>
 522           <td class="paramtype">uint&#160;</td>
 523           <td class="paramname"><em>src_step_y</em>, </td>
 524         </tr>
 525         <tr>
 526           <td class="paramkey"></td>
 527           <td></td>
 528           <td class="paramtype">uint&#160;</td>
 529           <td class="paramname"><em>src_offset_first_element_in_bytes</em>, </td>
 530         </tr>
 531         <tr>
 532           <td class="paramkey"></td>
 533           <td></td>
 534           <td class="paramtype">__global uchar *&#160;</td>
 535           <td class="paramname"><em>dst_ptr</em>, </td>
 536         </tr>
 537         <tr>
 538           <td class="paramkey"></td>
 539           <td></td>
 540           <td class="paramtype">uint&#160;</td>
 541           <td class="paramname"><em>dst_stride_x</em>, </td>
 542         </tr>
 543         <tr>
 544           <td class="paramkey"></td>
 545           <td></td>
 546           <td class="paramtype">uint&#160;</td>
 547           <td class="paramname"><em>dst_step_x</em>, </td>
 548         </tr>
 549         <tr>
 550           <td class="paramkey"></td>
 551           <td></td>
 552           <td class="paramtype">uint&#160;</td>
 553           <td class="paramname"><em>dst_stride_y</em>, </td>
 554         </tr>
 555         <tr>
 556           <td class="paramkey"></td>
 557           <td></td>
 558           <td class="paramtype">uint&#160;</td>
 559           <td class="paramname"><em>dst_step_y</em>, </td>
 560         </tr>
 561         <tr>
 562           <td class="paramkey"></td>
 563           <td></td>
 564           <td class="paramtype">uint&#160;</td>
 565           <td class="paramname"><em>dst_offset_first_element_in_bytes</em>&#160;</td>
 566         </tr>
 567         <tr>
 568           <td></td>
 569           <td>)</td>
 570           <td></td><td></td>
 571         </tr>
 572       </table>
 573 </div><div class="memdoc">
 574
 575 <p>This function extracts a given channel from an RGBA image. </p>
 576 <dl class="section note"><dt>Note</dt><dd>Channel to be extracted should be passed as a pre-processor argument, e.g. -DCHANNEL_B will extract the B channel.</dd></dl>
 577 <dl class="params"><dt>Parameters</dt><dd>
 578   <table class="params">
 579     <tr><td class="paramdir">[in]</td><td class="paramname">src_ptr</td><td>Pointer to the source image. Supported Format: RGBA </td></tr>
 580     <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>
 581     <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>
 582     <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>
 583     <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>
 584     <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>
 585     <tr><td class="paramdir">[out]</td><td class="paramname">dst_ptr</td><td>Pointer to the destination image. Supported Format: U8 </td></tr>
 586     <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>
 587     <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>
 588     <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>
 589     <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>
 590     <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>
 591   </table>
 592   </dd>
 593 </dl>
 594
 595 <p>Definition at line <a class="el" href="channel__extract_8cl_source.xhtml#l00083">83</a> of file <a class="el" href="channel__extract_8cl_source.xhtml">channel_extract.cl</a>.</p>
 596
 597 <p>References <a class="el" href="helpers_8h_source.xhtml#l00073">CONVERT_TO_IMAGE_STRUCT</a>, and <a class="el" href="helpers_8h_source.xhtml#l00097">Image::ptr</a>.</p>
 598 <div class="fragment"><div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;{</div><div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;    <span class="comment">// Get pixels pointer</span></div><div class="line"><a name="l00088"></a><span class="lineno">   88</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="l00089"></a><span class="lineno">   89</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="l00090"></a><span class="lineno">   90</span>&#160;</div><div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;    uchar16 data  = vload16(0, src.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>);</div><div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;    uchar16 data2 = vload16(0, src.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a> + 16);</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;<span class="preprocessor">#if defined CHANNEL_R</span></div><div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;    vstore8((uchar8)(data.s048C, data2.s048C), 0, dst.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>);</div><div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;<span class="preprocessor">#elif defined CHANNEL_G</span></div><div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;    vstore8((uchar8)(data.s159D, data2.s159D), 0, dst.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>);</div><div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;<span class="preprocessor">#elif defined CHANNEL_B</span></div><div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;    vstore8((uchar8)(data.s26AE, data2.s26AE), 0, dst.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>);</div><div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;<span class="preprocessor">#elif defined CHANNEL_A</span></div><div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;    vstore8((uchar8)(data.s37BF, data2.s37BF), 0, dst.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>);</div><div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;}</div><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>
 599 <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>
 600 <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>
 601 </div><!-- fragment -->
 602 </div>
 603 </div>
 604 <a class="anchor" id="a3d22dccc2444106a5325b842c096486c"></a>
 605 <div class="memitem">
 606 <div class="memproto">
 607       <table class="memname">
 608         <tr>
 609           <td class="memname">__kernel void channel_extract_UYVY422 </td>
 610           <td>(</td>
 611           <td class="paramtype">__global uchar *&#160;</td>
 612           <td class="paramname"><em>src_ptr</em>, </td>
 613         </tr>
 614         <tr>
 615           <td class="paramkey"></td>
 616           <td></td>
 617           <td class="paramtype">uint&#160;</td>
 618           <td class="paramname"><em>src_stride_x</em>, </td>
 619         </tr>
 620         <tr>
 621           <td class="paramkey"></td>
 622           <td></td>
 623           <td class="paramtype">uint&#160;</td>
 624           <td class="paramname"><em>src_step_x</em>, </td>
 625         </tr>
 626         <tr>
 627           <td class="paramkey"></td>
 628           <td></td>
 629           <td class="paramtype">uint&#160;</td>
 630           <td class="paramname"><em>src_stride_y</em>, </td>
 631         </tr>
 632         <tr>
 633           <td class="paramkey"></td>
 634           <td></td>
 635           <td class="paramtype">uint&#160;</td>
 636           <td class="paramname"><em>src_step_y</em>, </td>
 637         </tr>
 638         <tr>
 639           <td class="paramkey"></td>
 640           <td></td>
 641           <td class="paramtype">uint&#160;</td>
 642           <td class="paramname"><em>src_offset_first_element_in_bytes</em>, </td>
 643         </tr>
 644         <tr>
 645           <td class="paramkey"></td>
 646           <td></td>
 647           <td class="paramtype">__global uchar *&#160;</td>
 648           <td class="paramname"><em>dst_ptr</em>, </td>
 649         </tr>
 650         <tr>
 651           <td class="paramkey"></td>
 652           <td></td>
 653           <td class="paramtype">uint&#160;</td>
 654           <td class="paramname"><em>dst_stride_x</em>, </td>
 655         </tr>
 656         <tr>
 657           <td class="paramkey"></td>
 658           <td></td>
 659           <td class="paramtype">uint&#160;</td>
 660           <td class="paramname"><em>dst_step_x</em>, </td>
 661         </tr>
 662         <tr>
 663           <td class="paramkey"></td>
 664           <td></td>
 665           <td class="paramtype">uint&#160;</td>
 666           <td class="paramname"><em>dst_stride_y</em>, </td>
 667         </tr>
 668         <tr>
 669           <td class="paramkey"></td>
 670           <td></td>
 671           <td class="paramtype">uint&#160;</td>
 672           <td class="paramname"><em>dst_step_y</em>, </td>
 673         </tr>
 674         <tr>
 675           <td class="paramkey"></td>
 676           <td></td>
 677           <td class="paramtype">uint&#160;</td>
 678           <td class="paramname"><em>dst_offset_first_element_in_bytes</em>&#160;</td>
 679         </tr>
 680         <tr>
 681           <td></td>
 682           <td>)</td>
 683           <td></td><td></td>
 684         </tr>
 685       </table>
 686 </div><div class="memdoc">
 687
 688 <p>This function extracts a given channel from an UYUV image. </p>
 689 <dl class="section note"><dt>Note</dt><dd>Channel to be extracted should be passed as a pre-processor argument, e.g. -DCHANNEL_U will extract the U channel.</dd></dl>
 690 <dl class="params"><dt>Parameters</dt><dd>
 691   <table class="params">
 692     <tr><td class="paramdir">[in]</td><td class="paramname">src_ptr</td><td>Pointer to the source image. Supported Format: UYUV </td></tr>
 693     <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>
 694     <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>
 695     <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>
 696     <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>
 697     <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>
 698     <tr><td class="paramdir">[out]</td><td class="paramname">dst_ptr</td><td>Pointer to the destination image. Supported Format: U8 </td></tr>
 699     <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>
 700     <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>
 701     <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>
 702     <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>
 703     <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>
 704   </table>
 705   </dd>
 706 </dl>
 707
 708 <p>Definition at line <a class="el" href="channel__extract_8cl_source.xhtml#l00158">158</a> of file <a class="el" href="channel__extract_8cl_source.xhtml">channel_extract.cl</a>.</p>
 709
 710 <p>References <a class="el" href="helpers_8h_source.xhtml#l00073">CONVERT_TO_IMAGE_STRUCT</a>, and <a class="el" href="helpers_8h_source.xhtml#l00097">Image::ptr</a>.</p>
 711 <div class="fragment"><div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;{</div><div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;    <span class="comment">// Get pixels pointer</span></div><div class="line"><a name="l00163"></a><span class="lineno">  163</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="l00164"></a><span class="lineno">  164</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="l00165"></a><span class="lineno">  165</span>&#160;</div><div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;    uchar16 data = vload16(0, src.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>);</div><div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;</div><div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;<span class="preprocessor">#if defined CHANNEL_Y</span></div><div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;    vstore8(data.s13579BDF, 0, dst.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>);</div><div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;<span class="preprocessor">#elif defined CHANNEL_U</span></div><div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;    vstore4(data.s048C, 0, dst.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>);</div><div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;<span class="preprocessor">#elif defined CHANNEL_V</span></div><div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;    vstore4(data.s26AE, 0, dst.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>);</div><div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;}</div><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>
 712 <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>
 713 <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>
 714 </div><!-- fragment -->
 715 </div>
 716 </div>
 717 <a class="anchor" id="a6f8110fd6923dfc2db9daf1f3ed92435"></a>
 718 <div class="memitem">
 719 <div class="memproto">
 720       <table class="memname">
 721         <tr>
 722           <td class="memname">__kernel void channel_extract_YUYV422 </td>
 723           <td>(</td>
 724           <td class="paramtype">__global uchar *&#160;</td>
 725           <td class="paramname"><em>src_ptr</em>, </td>
 726         </tr>
 727         <tr>
 728           <td class="paramkey"></td>
 729           <td></td>
 730           <td class="paramtype">uint&#160;</td>
 731           <td class="paramname"><em>src_stride_x</em>, </td>
 732         </tr>
 733         <tr>
 734           <td class="paramkey"></td>
 735           <td></td>
 736           <td class="paramtype">uint&#160;</td>
 737           <td class="paramname"><em>src_step_x</em>, </td>
 738         </tr>
 739         <tr>
 740           <td class="paramkey"></td>
 741           <td></td>
 742           <td class="paramtype">uint&#160;</td>
 743           <td class="paramname"><em>src_stride_y</em>, </td>
 744         </tr>
 745         <tr>
 746           <td class="paramkey"></td>
 747           <td></td>
 748           <td class="paramtype">uint&#160;</td>
 749           <td class="paramname"><em>src_step_y</em>, </td>
 750         </tr>
 751         <tr>
 752           <td class="paramkey"></td>
 753           <td></td>
 754           <td class="paramtype">uint&#160;</td>
 755           <td class="paramname"><em>src_offset_first_element_in_bytes</em>, </td>
 756         </tr>
 757         <tr>
 758           <td class="paramkey"></td>
 759           <td></td>
 760           <td class="paramtype">__global uchar *&#160;</td>
 761           <td class="paramname"><em>dst_ptr</em>, </td>
 762         </tr>
 763         <tr>
 764           <td class="paramkey"></td>
 765           <td></td>
 766           <td class="paramtype">uint&#160;</td>
 767           <td class="paramname"><em>dst_stride_x</em>, </td>
 768         </tr>
 769         <tr>
 770           <td class="paramkey"></td>
 771           <td></td>
 772           <td class="paramtype">uint&#160;</td>
 773           <td class="paramname"><em>dst_step_x</em>, </td>
 774         </tr>
 775         <tr>
 776           <td class="paramkey"></td>
 777           <td></td>
 778           <td class="paramtype">uint&#160;</td>
 779           <td class="paramname"><em>dst_stride_y</em>, </td>
 780         </tr>
 781         <tr>
 782           <td class="paramkey"></td>
 783           <td></td>
 784           <td class="paramtype">uint&#160;</td>
 785           <td class="paramname"><em>dst_step_y</em>, </td>
 786         </tr>
 787         <tr>
 788           <td class="paramkey"></td>
 789           <td></td>
 790           <td class="paramtype">uint&#160;</td>
 791           <td class="paramname"><em>dst_offset_first_element_in_bytes</em>&#160;</td>
 792         </tr>
 793         <tr>
 794           <td></td>
 795           <td>)</td>
 796           <td></td><td></td>
 797         </tr>
 798       </table>
 799 </div><div class="memdoc">
 800
 801 <p>This function extracts a given channel from an YUYV image. </p>
 802 <dl class="section note"><dt>Note</dt><dd>Channel to be extracted should be passed as a pre-processor argument, e.g. -DCHANNEL_U will extract the U channel.</dd></dl>
 803 <dl class="params"><dt>Parameters</dt><dd>
 804   <table class="params">
 805     <tr><td class="paramdir">[in]</td><td class="paramname">src_ptr</td><td>Pointer to the source image. Supported Format: YUYV </td></tr>
 806     <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>
 807     <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>
 808     <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>
 809     <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>
 810     <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>
 811     <tr><td class="paramdir">[out]</td><td class="paramname">dst_ptr</td><td>Pointer to the destination image. Supported Format: U8 </td></tr>
 812     <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>
 813     <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>
 814     <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>
 815     <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>
 816     <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>
 817   </table>
 818   </dd>
 819 </dl>
 820
 821 <p>Definition at line <a class="el" href="channel__extract_8cl_source.xhtml#l00122">122</a> of file <a class="el" href="channel__extract_8cl_source.xhtml">channel_extract.cl</a>.</p>
 822
 823 <p>References <a class="el" href="helpers_8h_source.xhtml#l00073">CONVERT_TO_IMAGE_STRUCT</a>, and <a class="el" href="helpers_8h_source.xhtml#l00097">Image::ptr</a>.</p>
 824 <div class="fragment"><div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;{</div><div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;    <span class="comment">// Get pixels pointer</span></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;    uchar16 data = vload16(0, src.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>);</div><div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;</div><div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;<span class="preprocessor">#if defined CHANNEL_Y</span></div><div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;    vstore8(data.s02468ACE, 0, dst.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>);</div><div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;<span class="preprocessor">#elif defined CHANNEL_U</span></div><div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;    vstore4(data.s159D, 0, dst.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>);</div><div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;<span class="preprocessor">#elif defined CHANNEL_V</span></div><div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;    vstore4(data.s37BF, 0, dst.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>);</div><div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;}</div><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>
 825 <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>
 826 <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>
 827 </div><!-- fragment -->
 828 </div>
 829 </div>
 830 <a class="anchor" id="a8b54e12b0c19a206a73ade8e8bed82f3"></a>
 831 <div class="memitem">
 832 <div class="memproto">
 833       <table class="memname">
 834         <tr>
 835           <td class="memname">__kernel void copy_plane </td>
 836           <td>(</td>
 837           <td class="paramtype">__global uchar *&#160;</td>
 838           <td class="paramname"><em>src_ptr</em>, </td>
 839         </tr>
 840         <tr>
 841           <td class="paramkey"></td>
 842           <td></td>
 843           <td class="paramtype">uint&#160;</td>
 844           <td class="paramname"><em>src_stride_x</em>, </td>
 845         </tr>
 846         <tr>
 847           <td class="paramkey"></td>
 848           <td></td>
 849           <td class="paramtype">uint&#160;</td>
 850           <td class="paramname"><em>src_step_x</em>, </td>
 851         </tr>
 852         <tr>
 853           <td class="paramkey"></td>
 854           <td></td>
 855           <td class="paramtype">uint&#160;</td>
 856           <td class="paramname"><em>src_stride_y</em>, </td>
 857         </tr>
 858         <tr>
 859           <td class="paramkey"></td>
 860           <td></td>
 861           <td class="paramtype">uint&#160;</td>
 862           <td class="paramname"><em>src_step_y</em>, </td>
 863         </tr>
 864         <tr>
 865           <td class="paramkey"></td>
 866           <td></td>
 867           <td class="paramtype">uint&#160;</td>
 868           <td class="paramname"><em>src_offset_first_element_in_bytes</em>, </td>
 869         </tr>
 870         <tr>
 871           <td class="paramkey"></td>
 872           <td></td>
 873           <td class="paramtype">__global uchar *&#160;</td>
 874           <td class="paramname"><em>dst_ptr</em>, </td>
 875         </tr>
 876         <tr>
 877           <td class="paramkey"></td>
 878           <td></td>
 879           <td class="paramtype">uint&#160;</td>
 880           <td class="paramname"><em>dst_stride_x</em>, </td>
 881         </tr>
 882         <tr>
 883           <td class="paramkey"></td>
 884           <td></td>
 885           <td class="paramtype">uint&#160;</td>
 886           <td class="paramname"><em>dst_step_x</em>, </td>
 887         </tr>
 888         <tr>
 889           <td class="paramkey"></td>
 890           <td></td>
 891           <td class="paramtype">uint&#160;</td>
 892           <td class="paramname"><em>dst_stride_y</em>, </td>
 893         </tr>
 894         <tr>
 895           <td class="paramkey"></td>
 896           <td></td>
 897           <td class="paramtype">uint&#160;</td>
 898           <td class="paramname"><em>dst_step_y</em>, </td>
 899         </tr>
 900         <tr>
 901           <td class="paramkey"></td>
 902           <td></td>
 903           <td class="paramtype">uint&#160;</td>
 904           <td class="paramname"><em>dst_offset_first_element_in_bytes</em>&#160;</td>
 905         </tr>
 906         <tr>
 907           <td></td>
 908           <td>)</td>
 909           <td></td><td></td>
 910         </tr>
 911       </table>
 912 </div><div class="memdoc">
 913
 914 <p>This function extracts a given plane from an multi-planar image. </p>
 915 <dl class="params"><dt>Parameters</dt><dd>
 916   <table class="params">
 917     <tr><td class="paramdir">[in]</td><td class="paramname">src_ptr</td><td>Pointer to the source image. Supported Format: U8 </td></tr>
 918     <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>
 919     <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>
 920     <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>
 921     <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>
 922     <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>
 923     <tr><td class="paramdir">[out]</td><td class="paramname">dst_ptr</td><td>Pointer to the destination image. Supported Format: U8 </td></tr>
 924     <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>
 925     <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>
 926     <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>
 927     <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>
 928     <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>
 929   </table>
 930   </dd>
 931 </dl>
 932
 933 <p>Definition at line <a class="el" href="channel__extract_8cl_source.xhtml#l00262">262</a> of file <a class="el" href="channel__extract_8cl_source.xhtml">channel_extract.cl</a>.</p>
 934
 935 <p>References <a class="el" href="helpers_8h_source.xhtml#l00073">CONVERT_TO_IMAGE_STRUCT</a>, and <a class="el" href="helpers_8h_source.xhtml#l00097">Image::ptr</a>.</p>
 936 <div class="fragment"><div class="line"><a name="l00265"></a><span class="lineno">  265</span>&#160;{</div><div class="line"><a name="l00266"></a><span class="lineno">  266</span>&#160;    <span class="comment">// Get pixels pointer</span></div><div class="line"><a name="l00267"></a><span class="lineno">  267</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="l00268"></a><span class="lineno">  268</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="l00269"></a><span class="lineno">  269</span>&#160;</div><div class="line"><a name="l00270"></a><span class="lineno">  270</span>&#160;    <span class="comment">// Copy plane data</span></div><div class="line"><a name="l00271"></a><span class="lineno">  271</span>&#160;    vstore16(vload16(0, src.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>), 0, dst.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>);</div><div class="line"><a name="l00272"></a><span class="lineno">  272</span>&#160;}</div><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>
 937 <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>
 938 <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>
 939 </div><!-- fragment -->
 940 </div>
 941 </div>
 942 </div><!-- contents -->
 943 </div><!-- doc-content -->
 944 <!-- start footer part -->
 945 <div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
 946   <ul>
 947     <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="channel__extract_8cl.xhtml">channel_extract.cl</a></li>
 948     <li class="footer">Generated on Wed Apr 12 2017 14:26:05 for ARM Compute Library by
 949     <a href="http://www.doxygen.org/index.html">
 950     <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.11 </li>
 951   </ul>
 952 </div>
 953 </body>
 954 </html>