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gerrit-public.fairphone.software / platform / external / ComputeLibrary / 8a3da6f91f90c566b844d568f4ec43b946915af8 / . / documentation / accumulate_8cl.xhtml
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Anthony Barbierdbdab852017-06-23 15:42:00 +0100[diff] [blame]40 <div id="projectname">Compute Library
Kaizenbf8b01d2017-10-12 14:26:51 +0100[diff] [blame]41 &#160;<span id="projectnumber">17.10</span>
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113<div class="header">
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115<a href="#func-members">Functions</a> </div>
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117<div class="title">accumulate.cl File Reference</div> </div>
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119<div class="contents">
Kaizen8938bd32017-09-28 14:38:23 +0100[diff] [blame]120<div class="textblock"><code>#include &quot;<a class="el" href="helpers_8h_source.xhtml">helpers.h</a>&quot;</code><br/>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]121</div>
122<p><a href="accumulate_8cl_source.xhtml">Go to the source code of this file.</a></p>
123<table class="memberdecls">
124<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
125Functions</h2></td></tr>
126<tr class="memitem:a00e540076dd545ad59ac7482f8cdf514"><td class="memItemLeft" align="right" valign="top">__kernel void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="accumulate_8cl.xhtml#a00e540076dd545ad59ac7482f8cdf514">accumulate</a> (__global uchar *input_ptr, uint input_stride_x, uint input_step_x, uint input_stride_y, uint input_step_y, uint input_offset_first_element_in_bytes, __global uchar *accu_ptr, uint accu_stride_x, uint accu_step_x, uint accu_stride_y, uint accu_step_y, uint accu_offset_first_element_in_bytes)</td></tr>
Kaizen8938bd32017-09-28 14:38:23 +0100[diff] [blame]127<tr class="memdesc:a00e540076dd545ad59ac7482f8cdf514"><td class="mdescLeft">&#160;</td><td class="mdescRight">This function accumulates an input image into output image. <a href="#a00e540076dd545ad59ac7482f8cdf514">More...</a><br/></td></tr>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]128<tr class="separator:a00e540076dd545ad59ac7482f8cdf514"><td class="memSeparator" colspan="2">&#160;</td></tr>
129<tr class="memitem:ab64020e40663a4356d6037079d7292fb"><td class="memItemLeft" align="right" valign="top">__kernel void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="accumulate_8cl.xhtml#ab64020e40663a4356d6037079d7292fb">accumulate_weighted</a> (__global uchar *input_ptr, uint input_stride_x, uint input_step_x, uint input_stride_y, uint input_step_y, uint input_offset_first_element_in_bytes, __global uchar *accu_ptr, uint accu_stride_x, uint accu_step_x, uint accu_stride_y, uint accu_step_y, uint accu_offset_first_element_in_bytes, const float alpha)</td></tr>
Kaizen8938bd32017-09-28 14:38:23 +0100[diff] [blame]130<tr class="memdesc:ab64020e40663a4356d6037079d7292fb"><td class="mdescLeft">&#160;</td><td class="mdescRight">This function accumulates a weighted value from an input image to an output image. <a href="#ab64020e40663a4356d6037079d7292fb">More...</a><br/></td></tr>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]131<tr class="separator:ab64020e40663a4356d6037079d7292fb"><td class="memSeparator" colspan="2">&#160;</td></tr>
132<tr class="memitem:aa6efbf07a1932e211879a0df54e9f50f"><td class="memItemLeft" align="right" valign="top">__kernel void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="accumulate_8cl.xhtml#aa6efbf07a1932e211879a0df54e9f50f">accumulate_squared</a> (__global uchar *input_ptr, uint input_stride_x, uint input_step_x, uint input_stride_y, uint input_step_y, uint input_offset_first_element_in_bytes, __global uchar *accu_ptr, uint accu_stride_x, uint accu_step_x, uint accu_stride_y, uint accu_step_y, uint accu_offset_first_element_in_bytes, const uint shift)</td></tr>
Kaizen8938bd32017-09-28 14:38:23 +0100[diff] [blame]133<tr class="memdesc:aa6efbf07a1932e211879a0df54e9f50f"><td class="mdescLeft">&#160;</td><td class="mdescRight">This function accumulates a squared value from an input image to an output image. <a href="#aa6efbf07a1932e211879a0df54e9f50f">More...</a><br/></td></tr>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]134<tr class="separator:aa6efbf07a1932e211879a0df54e9f50f"><td class="memSeparator" colspan="2">&#160;</td></tr>
135</table>
136<h2 class="groupheader">Function Documentation</h2>
137<a class="anchor" id="a00e540076dd545ad59ac7482f8cdf514"></a>
138<div class="memitem">
139<div class="memproto">
140 <table class="memname">
141 <tr>
142 <td class="memname">__kernel void accumulate </td>
143 <td>(</td>
144 <td class="paramtype">__global uchar *&#160;</td>
145 <td class="paramname"><em>input_ptr</em>, </td>
146 </tr>
147 <tr>
148 <td class="paramkey"></td>
149 <td></td>
150 <td class="paramtype">uint&#160;</td>
151 <td class="paramname"><em>input_stride_x</em>, </td>
152 </tr>
153 <tr>
154 <td class="paramkey"></td>
155 <td></td>
156 <td class="paramtype">uint&#160;</td>
157 <td class="paramname"><em>input_step_x</em>, </td>
158 </tr>
159 <tr>
160 <td class="paramkey"></td>
161 <td></td>
162 <td class="paramtype">uint&#160;</td>
163 <td class="paramname"><em>input_stride_y</em>, </td>
164 </tr>
165 <tr>
166 <td class="paramkey"></td>
167 <td></td>
168 <td class="paramtype">uint&#160;</td>
169 <td class="paramname"><em>input_step_y</em>, </td>
170 </tr>
171 <tr>
172 <td class="paramkey"></td>
173 <td></td>
174 <td class="paramtype">uint&#160;</td>
175 <td class="paramname"><em>input_offset_first_element_in_bytes</em>, </td>
176 </tr>
177 <tr>
178 <td class="paramkey"></td>
179 <td></td>
180 <td class="paramtype">__global uchar *&#160;</td>
181 <td class="paramname"><em>accu_ptr</em>, </td>
182 </tr>
183 <tr>
184 <td class="paramkey"></td>
185 <td></td>
186 <td class="paramtype">uint&#160;</td>
187 <td class="paramname"><em>accu_stride_x</em>, </td>
188 </tr>
189 <tr>
190 <td class="paramkey"></td>
191 <td></td>
192 <td class="paramtype">uint&#160;</td>
193 <td class="paramname"><em>accu_step_x</em>, </td>
194 </tr>
195 <tr>
196 <td class="paramkey"></td>
197 <td></td>
198 <td class="paramtype">uint&#160;</td>
199 <td class="paramname"><em>accu_stride_y</em>, </td>
200 </tr>
201 <tr>
202 <td class="paramkey"></td>
203 <td></td>
204 <td class="paramtype">uint&#160;</td>
205 <td class="paramname"><em>accu_step_y</em>, </td>
206 </tr>
207 <tr>
208 <td class="paramkey"></td>
209 <td></td>
210 <td class="paramtype">uint&#160;</td>
211 <td class="paramname"><em>accu_offset_first_element_in_bytes</em>&#160;</td>
212 </tr>
213 <tr>
214 <td></td>
215 <td>)</td>
216 <td></td><td></td>
217 </tr>
218 </table>
219</div><div class="memdoc">
220
221<p>This function accumulates an input image into output image. </p>
222<dl class="params"><dt>Parameters</dt><dd>
223 <table class="params">
224 <tr><td class="paramdir">[in]</td><td class="paramname">input_ptr</td><td>Pointer to the source image. Supported data types: U8 </td></tr>
225 <tr><td class="paramdir">[in]</td><td class="paramname">input_stride_x</td><td>Stride of the source image in X dimension (in bytes) </td></tr>
226 <tr><td class="paramdir">[in]</td><td class="paramname">input_step_x</td><td>input_stride_x * number of elements along X processed per workitem(in bytes) </td></tr>
227 <tr><td class="paramdir">[in]</td><td class="paramname">input_stride_y</td><td>Stride of the source image in Y dimension (in bytes) </td></tr>
228 <tr><td class="paramdir">[in]</td><td class="paramname">input_step_y</td><td>input_stride_y * number of elements along Y processed per workitem(in bytes) </td></tr>
229 <tr><td class="paramdir">[in]</td><td class="paramname">input_offset_first_element_in_bytes</td><td>The offset of the first element in the source image </td></tr>
230 <tr><td class="paramdir">[out]</td><td class="paramname">accu_ptr</td><td>Pointer to the destination image. Supported data types: S16 </td></tr>
231 <tr><td class="paramdir">[in]</td><td class="paramname">accu_stride_x</td><td>Stride of the destination image in X dimension (in bytes) </td></tr>
232 <tr><td class="paramdir">[in]</td><td class="paramname">accu_step_x</td><td>accu_stride_x * number of elements along X processed per workitem(in bytes) </td></tr>
233 <tr><td class="paramdir">[in]</td><td class="paramname">accu_stride_y</td><td>Stride of the destination image in Y dimension (in bytes) </td></tr>
234 <tr><td class="paramdir">[in]</td><td class="paramname">accu_step_y</td><td>accu_stride_y * number of elements along Y processed per workitem(in bytes) </td></tr>
235 <tr><td class="paramdir">[in]</td><td class="paramname">accu_offset_first_element_in_bytes</td><td>The offset of the first element in the destination image </td></tr>
236 </table>
237 </dd>
238</dl>
239
240<p>Definition at line <a class="el" href="accumulate_8cl_source.xhtml#l00041">41</a> of file <a class="el" href="accumulate_8cl_source.xhtml">accumulate.cl</a>.</p>
241
Kaizenbf8b01d2017-10-12 14:26:51 +0100[diff] [blame]242<p>References <a class="el" href="helpers_8h_source.xhtml#l00096">CONVERT_TO_IMAGE_STRUCT</a>, and <a class="el" href="helpers_8h_source.xhtml#l00136">Image::ptr</a>.</p>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]243
Kaizenbf8b01d2017-10-12 14:26:51 +0100[diff] [blame]244<p>Referenced by <a class="el" href="arm__compute_2core_2_utils_8h_source.xhtml#l00416">arm_compute::calculate_matrix_scale()</a>, <a class="el" href="_dimensions_8h_source.xhtml#l00125">Dimensions&lt; size_t &gt;::collapse()</a>, <a class="el" href="arm__compute_2core_2_utils_8h_source.xhtml#l00463">arm_compute::data_type_for_convolution()</a>, <a class="el" href="arm__compute_2core_2_utils_8h_source.xhtml#l00519">arm_compute::data_type_for_convolution_matrix()</a>, <a class="el" href="tests_2framework_2_utils_8h_source.xhtml#l00093">arm_compute::test::join()</a>, <a class="el" href="_c_p_p_2_mean_std_dev_8cpp_source.xhtml#l00035">arm_compute::test::validation::reference::mean_and_standard_deviation()</a>, <a class="el" href="_helpers_8inl_source.xhtml#l00032">arm_compute::pixel_area_c1u8_clamp()</a>, <a class="el" href="_j_s_o_n_printer_8cpp_source.xhtml#l00157">JSONPrinter::print_measurements()</a>, <a class="el" href="_pretty_printer_8cpp_source.xhtml#l00111">PrettyPrinter::print_measurements()</a>, <a class="el" href="_simple_tensor_8h_source.xhtml#l00252">SimpleTensor&lt; T &gt;::size()</a>, <a class="el" href="_tensor_shape_8h_source.xhtml#l00135">TensorShape::total_size()</a>, <a class="el" href="_tensor_shape_8h_source.xhtml#l00157">TensorShape::total_size_lower()</a>, and <a class="el" href="_tensor_shape_8h_source.xhtml#l00145">TensorShape::total_size_upper()</a>.</p>
Kaizen8938bd32017-09-28 14:38:23 +0100[diff] [blame]245<div class="fragment"><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160;{</div>
246<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160; <span class="comment">// Get pixels pointer</span></div>
247<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160; <a class="code" href="struct_image.xhtml">Image</a> input = <a class="code" href="helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(input);</div>
248<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160; <a class="code" href="struct_image.xhtml">Image</a> accu = <a class="code" href="helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(accu);</div>
249<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160;</div>
250<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160; <span class="comment">// Load data</span></div>
251<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160; uchar16 in_data = vload16(0, input.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>);</div>
252<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160; short16 accu_data = vload16(0, (__global <span class="keywordtype">short</span> *)accu.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>);</div>
253<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160;</div>
254<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160; <span class="comment">// Perform accumulation</span></div>
255<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160; short16 res = add_sat(convert_short16(in_data), accu_data);</div>
256<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160;</div>
257<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160; <span class="comment">// Store result</span></div>
258<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160; vstore16(res, 0, (__global <span class="keywordtype">short</span> *)accu.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>);</div>
259<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160;}</div>
Kaizenbf8b01d2017-10-12 14:26:51 +0100[diff] [blame]260<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#l00096">helpers.h:96</a></div></div>
261<div class="ttc" id="struct_image_xhtml"><div class="ttname"><a href="struct_image.xhtml">Image</a></div><div class="ttdoc">Structure to hold Image information. </div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00134">helpers.h:134</a></div></div>
262<div class="ttc" id="struct_image_xhtml_acf52c23cbd7424606c10a606524e3e32"><div class="ttname"><a href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">Image::ptr</a></div><div class="ttdeci">__global uchar * ptr</div><div class="ttdoc">Pointer to the starting postion of the buffer. </div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00136">helpers.h:136</a></div></div>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]263</div><!-- fragment -->
264</div>
265</div>
266<a class="anchor" id="aa6efbf07a1932e211879a0df54e9f50f"></a>
267<div class="memitem">
268<div class="memproto">
269 <table class="memname">
270 <tr>
271 <td class="memname">__kernel void accumulate_squared </td>
272 <td>(</td>
273 <td class="paramtype">__global uchar *&#160;</td>
274 <td class="paramname"><em>input_ptr</em>, </td>
275 </tr>
276 <tr>
277 <td class="paramkey"></td>
278 <td></td>
279 <td class="paramtype">uint&#160;</td>
280 <td class="paramname"><em>input_stride_x</em>, </td>
281 </tr>
282 <tr>
283 <td class="paramkey"></td>
284 <td></td>
285 <td class="paramtype">uint&#160;</td>
286 <td class="paramname"><em>input_step_x</em>, </td>
287 </tr>
288 <tr>
289 <td class="paramkey"></td>
290 <td></td>
291 <td class="paramtype">uint&#160;</td>
292 <td class="paramname"><em>input_stride_y</em>, </td>
293 </tr>
294 <tr>
295 <td class="paramkey"></td>
296 <td></td>
297 <td class="paramtype">uint&#160;</td>
298 <td class="paramname"><em>input_step_y</em>, </td>
299 </tr>
300 <tr>
301 <td class="paramkey"></td>
302 <td></td>
303 <td class="paramtype">uint&#160;</td>
304 <td class="paramname"><em>input_offset_first_element_in_bytes</em>, </td>
305 </tr>
306 <tr>
307 <td class="paramkey"></td>
308 <td></td>
309 <td class="paramtype">__global uchar *&#160;</td>
310 <td class="paramname"><em>accu_ptr</em>, </td>
311 </tr>
312 <tr>
313 <td class="paramkey"></td>
314 <td></td>
315 <td class="paramtype">uint&#160;</td>
316 <td class="paramname"><em>accu_stride_x</em>, </td>
317 </tr>
318 <tr>
319 <td class="paramkey"></td>
320 <td></td>
321 <td class="paramtype">uint&#160;</td>
322 <td class="paramname"><em>accu_step_x</em>, </td>
323 </tr>
324 <tr>
325 <td class="paramkey"></td>
326 <td></td>
327 <td class="paramtype">uint&#160;</td>
328 <td class="paramname"><em>accu_stride_y</em>, </td>
329 </tr>
330 <tr>
331 <td class="paramkey"></td>
332 <td></td>
333 <td class="paramtype">uint&#160;</td>
334 <td class="paramname"><em>accu_step_y</em>, </td>
335 </tr>
336 <tr>
337 <td class="paramkey"></td>
338 <td></td>
339 <td class="paramtype">uint&#160;</td>
340 <td class="paramname"><em>accu_offset_first_element_in_bytes</em>, </td>
341 </tr>
342 <tr>
343 <td class="paramkey"></td>
344 <td></td>
345 <td class="paramtype">const uint&#160;</td>
346 <td class="paramname"><em>shift</em>&#160;</td>
347 </tr>
348 <tr>
349 <td></td>
350 <td>)</td>
351 <td></td><td></td>
352 </tr>
353 </table>
354</div><div class="memdoc">
355
356<p>This function accumulates a squared value from an input image to an output image. </p>
357<dl class="params"><dt>Parameters</dt><dd>
358 <table class="params">
359 <tr><td class="paramdir">[in]</td><td class="paramname">input_ptr</td><td>Pointer to the source image. Supported data types: U8 </td></tr>
360 <tr><td class="paramdir">[in]</td><td class="paramname">input_stride_x</td><td>Stride of the source image in X dimension (in bytes) </td></tr>
361 <tr><td class="paramdir">[in]</td><td class="paramname">input_step_x</td><td>input_stride_x * number of elements along X processed per workitem(in bytes) </td></tr>
362 <tr><td class="paramdir">[in]</td><td class="paramname">input_stride_y</td><td>Stride of the source image in Y dimension (in bytes) </td></tr>
363 <tr><td class="paramdir">[in]</td><td class="paramname">input_step_y</td><td>input_stride_y * number of elements along Y processed per workitem(in bytes) </td></tr>
364 <tr><td class="paramdir">[in]</td><td class="paramname">input_offset_first_element_in_bytes</td><td>The offset of the first element in the source image </td></tr>
365 <tr><td class="paramdir">[out]</td><td class="paramname">accu_ptr</td><td>Pointer to the destination image. Supported data types: S16 </td></tr>
366 <tr><td class="paramdir">[in]</td><td class="paramname">accu_stride_x</td><td>Stride of the destination image in X dimension (in bytes) </td></tr>
367 <tr><td class="paramdir">[in]</td><td class="paramname">accu_step_x</td><td>accu_stride_x * number of elements along X processed per workitem(in bytes) </td></tr>
368 <tr><td class="paramdir">[in]</td><td class="paramname">accu_stride_y</td><td>Stride of the destination image in Y dimension (in bytes) </td></tr>
369 <tr><td class="paramdir">[in]</td><td class="paramname">accu_step_y</td><td>accu_stride_y * number of elements along Y processed per workitem(in bytes) </td></tr>
370 <tr><td class="paramdir">[in]</td><td class="paramname">accu_offset_first_element_in_bytes</td><td>The offset of the first element in the destination image </td></tr>
371 <tr><td class="paramdir">[in]</td><td class="paramname">shift</td><td>The U32 scalar value with a value in the range of 0 to 15 </td></tr>
372 </table>
373 </dd>
374</dl>
375
376<p>Definition at line <a class="el" href="accumulate_8cl_source.xhtml#l00112">112</a> of file <a class="el" href="accumulate_8cl_source.xhtml">accumulate.cl</a>.</p>
377
Kaizenbf8b01d2017-10-12 14:26:51 +0100[diff] [blame]378<p>References <a class="el" href="helpers_8h_source.xhtml#l00096">CONVERT_TO_IMAGE_STRUCT</a>, and <a class="el" href="helpers_8h_source.xhtml#l00136">Image::ptr</a>.</p>
Kaizen8938bd32017-09-28 14:38:23 +0100[diff] [blame]379<div class="fragment"><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160;{</div>
380<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160; <span class="comment">// Get pixels pointer</span></div>
381<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160; <a class="code" href="struct_image.xhtml">Image</a> input = <a class="code" href="helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(input);</div>
382<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160; <a class="code" href="struct_image.xhtml">Image</a> accu = <a class="code" href="helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(accu);</div>
383<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160;</div>
384<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160; <span class="comment">// Load data</span></div>
385<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160; ushort16 in_data = convert_ushort16(vload16(0, input.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>));</div>
386<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160; uint16 accu_data = convert_uint16(vload16(0, (__global <span class="keywordtype">short</span> *)accu.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>));</div>
387<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160;</div>
388<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160; <span class="comment">// Calculate squared accumulation</span></div>
389<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160; short16 res = convert_short16_sat(accu_data + convert_uint16((in_data * in_data) &gt;&gt; shift));</div>
390<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160;</div>
391<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160; <span class="comment">// Store result</span></div>
392<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160; vstore16(res, 0, (__global <span class="keywordtype">short</span> *)accu.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>);</div>
393<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160;}</div>
Kaizenbf8b01d2017-10-12 14:26:51 +0100[diff] [blame]394<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#l00096">helpers.h:96</a></div></div>
395<div class="ttc" id="struct_image_xhtml"><div class="ttname"><a href="struct_image.xhtml">Image</a></div><div class="ttdoc">Structure to hold Image information. </div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00134">helpers.h:134</a></div></div>
396<div class="ttc" id="struct_image_xhtml_acf52c23cbd7424606c10a606524e3e32"><div class="ttname"><a href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">Image::ptr</a></div><div class="ttdeci">__global uchar * ptr</div><div class="ttdoc">Pointer to the starting postion of the buffer. </div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00136">helpers.h:136</a></div></div>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]397</div><!-- fragment -->
398</div>
399</div>
400<a class="anchor" id="ab64020e40663a4356d6037079d7292fb"></a>
401<div class="memitem">
402<div class="memproto">
403 <table class="memname">
404 <tr>
405 <td class="memname">__kernel void accumulate_weighted </td>
406 <td>(</td>
407 <td class="paramtype">__global uchar *&#160;</td>
408 <td class="paramname"><em>input_ptr</em>, </td>
409 </tr>
410 <tr>
411 <td class="paramkey"></td>
412 <td></td>
413 <td class="paramtype">uint&#160;</td>
414 <td class="paramname"><em>input_stride_x</em>, </td>
415 </tr>
416 <tr>
417 <td class="paramkey"></td>
418 <td></td>
419 <td class="paramtype">uint&#160;</td>
420 <td class="paramname"><em>input_step_x</em>, </td>
421 </tr>
422 <tr>
423 <td class="paramkey"></td>
424 <td></td>
425 <td class="paramtype">uint&#160;</td>
426 <td class="paramname"><em>input_stride_y</em>, </td>
427 </tr>
428 <tr>
429 <td class="paramkey"></td>
430 <td></td>
431 <td class="paramtype">uint&#160;</td>
432 <td class="paramname"><em>input_step_y</em>, </td>
433 </tr>
434 <tr>
435 <td class="paramkey"></td>
436 <td></td>
437 <td class="paramtype">uint&#160;</td>
438 <td class="paramname"><em>input_offset_first_element_in_bytes</em>, </td>
439 </tr>
440 <tr>
441 <td class="paramkey"></td>
442 <td></td>
443 <td class="paramtype">__global uchar *&#160;</td>
444 <td class="paramname"><em>accu_ptr</em>, </td>
445 </tr>
446 <tr>
447 <td class="paramkey"></td>
448 <td></td>
449 <td class="paramtype">uint&#160;</td>
450 <td class="paramname"><em>accu_stride_x</em>, </td>
451 </tr>
452 <tr>
453 <td class="paramkey"></td>
454 <td></td>
455 <td class="paramtype">uint&#160;</td>
456 <td class="paramname"><em>accu_step_x</em>, </td>
457 </tr>
458 <tr>
459 <td class="paramkey"></td>
460 <td></td>
461 <td class="paramtype">uint&#160;</td>
462 <td class="paramname"><em>accu_stride_y</em>, </td>
463 </tr>
464 <tr>
465 <td class="paramkey"></td>
466 <td></td>
467 <td class="paramtype">uint&#160;</td>
468 <td class="paramname"><em>accu_step_y</em>, </td>
469 </tr>
470 <tr>
471 <td class="paramkey"></td>
472 <td></td>
473 <td class="paramtype">uint&#160;</td>
474 <td class="paramname"><em>accu_offset_first_element_in_bytes</em>, </td>
475 </tr>
476 <tr>
477 <td class="paramkey"></td>
478 <td></td>
479 <td class="paramtype">const float&#160;</td>
480 <td class="paramname"><em>alpha</em>&#160;</td>
481 </tr>
482 <tr>
483 <td></td>
484 <td>)</td>
485 <td></td><td></td>
486 </tr>
487 </table>
488</div><div class="memdoc">
489
490<p>This function accumulates a weighted value from an input image to an output image. </p>
491<dl class="params"><dt>Parameters</dt><dd>
492 <table class="params">
493 <tr><td class="paramdir">[in]</td><td class="paramname">input_ptr</td><td>Pointer to the source image. Supported data types: U8 </td></tr>
494 <tr><td class="paramdir">[in]</td><td class="paramname">input_stride_x</td><td>Stride of the source image in X dimension (in bytes) </td></tr>
495 <tr><td class="paramdir">[in]</td><td class="paramname">input_step_x</td><td>input_stride_x * number of elements along X processed per workitem(in bytes) </td></tr>
496 <tr><td class="paramdir">[in]</td><td class="paramname">input_stride_y</td><td>Stride of the source image in Y dimension (in bytes) </td></tr>
497 <tr><td class="paramdir">[in]</td><td class="paramname">input_step_y</td><td>input_stride_y * number of elements along Y processed per workitem(in bytes) </td></tr>
498 <tr><td class="paramdir">[in]</td><td class="paramname">input_offset_first_element_in_bytes</td><td>The offset of the first element in the source image </td></tr>
499 <tr><td class="paramdir">[out]</td><td class="paramname">accu_ptr</td><td>Pointer to the destination image. Supported data types: S16 </td></tr>
500 <tr><td class="paramdir">[in]</td><td class="paramname">accu_stride_x</td><td>Stride of the destination image in X dimension (in bytes) </td></tr>
501 <tr><td class="paramdir">[in]</td><td class="paramname">accu_step_x</td><td>accu_stride_x * number of elements along X processed per workitem(in bytes) </td></tr>
502 <tr><td class="paramdir">[in]</td><td class="paramname">accu_stride_y</td><td>Stride of the destination image in Y dimension (in bytes) </td></tr>
503 <tr><td class="paramdir">[in]</td><td class="paramname">accu_step_y</td><td>accu_stride_y * number of elements along Y processed per workitem(in bytes) </td></tr>
504 <tr><td class="paramdir">[in]</td><td class="paramname">accu_offset_first_element_in_bytes</td><td>The offset of the first element in the destination image </td></tr>
505 <tr><td class="paramdir">[in]</td><td class="paramname">alpha</td><td>The float scalar value with a value in the range of 0 to 1 </td></tr>
506 </table>
507 </dd>
508</dl>
509
510<p>Definition at line <a class="el" href="accumulate_8cl_source.xhtml#l00076">76</a> of file <a class="el" href="accumulate_8cl_source.xhtml">accumulate.cl</a>.</p>
511
Kaizenbf8b01d2017-10-12 14:26:51 +0100[diff] [blame]512<p>References <a class="el" href="helpers_8h_source.xhtml#l00096">CONVERT_TO_IMAGE_STRUCT</a>, and <a class="el" href="helpers_8h_source.xhtml#l00136">Image::ptr</a>.</p>
Kaizen8938bd32017-09-28 14:38:23 +0100[diff] [blame]513<div class="fragment"><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160;{</div>
514<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160; <span class="comment">// Get pixels pointer</span></div>
515<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160; <a class="code" href="struct_image.xhtml">Image</a> input = <a class="code" href="helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(input);</div>
516<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160; <a class="code" href="struct_image.xhtml">Image</a> accu = <a class="code" href="helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(accu);</div>
517<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160;</div>
518<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160; <span class="comment">// Load data</span></div>
519<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160; <span class="keyword">const</span> float16 in_data = convert_float16(vload16(0, input.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>));</div>
520<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160; <span class="keyword">const</span> float16 accu_data = convert_float16(vload16(0, accu.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>));</div>
521<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160;</div>
522<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160; <span class="comment">// Calculate weighted accumulation</span></div>
523<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160; <span class="keyword">const</span> uchar16 res = convert_uchar16((1.0f - alpha) * accu_data + alpha * in_data);</div>
524<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160;</div>
525<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160; <span class="comment">// Store result</span></div>
526<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160; vstore16(res, 0, accu.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>);</div>
527<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160;}</div>
Kaizenbf8b01d2017-10-12 14:26:51 +0100[diff] [blame]528<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#l00096">helpers.h:96</a></div></div>
529<div class="ttc" id="struct_image_xhtml"><div class="ttname"><a href="struct_image.xhtml">Image</a></div><div class="ttdoc">Structure to hold Image information. </div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00134">helpers.h:134</a></div></div>
530<div class="ttc" id="struct_image_xhtml_acf52c23cbd7424606c10a606524e3e32"><div class="ttname"><a href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">Image::ptr</a></div><div class="ttdeci">__global uchar * ptr</div><div class="ttdoc">Pointer to the starting postion of the buffer. </div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00136">helpers.h:136</a></div></div>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]531</div><!-- fragment -->
532</div>
533</div>
534</div><!-- contents -->
535</div><!-- doc-content -->
536<!-- start footer part -->
537<div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
538 <ul>
Kaizen8938bd32017-09-28 14:38:23 +0100[diff] [blame]539 <li class="navelem"><a class="el" href="dir_55b5a5006e943fb664ff8cff3cfe7768.xhtml">src</a></li><li class="navelem"><a class="el" href="dir_f6c3ae42d7e27145d0a3c3e38ca1c000.xhtml">core</a></li><li class="navelem"><a class="el" href="dir_1b7ae9123c88e650426d50d95c19d414.xhtml">CL</a></li><li class="navelem"><a class="el" href="dir_b7c3d80b0dadb2139bc73b7161751c12.xhtml">cl_kernels</a></li><li class="navelem"><a class="el" href="accumulate_8cl.xhtml">accumulate.cl</a></li>
Kaizenbf8b01d2017-10-12 14:26:51 +0100[diff] [blame]540 <li class="footer">Generated on Thu Oct 12 2017 14:26:35 for Compute Library by
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]541 <a href="http://www.doxygen.org/index.html">
Kaizen8938bd32017-09-28 14:38:23 +0100[diff] [blame]542 <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.6 </li>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]543 </ul>
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545</body>
546</html>