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gerrit-public.fairphone.software / platform / external / ComputeLibrary / 8a3da6f91f90c566b844d568f4ec43b946915af8 / . / documentation / accumulate_8cl_source.xhtml
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Kaizen8938bd32017-09-28 14:38:23 +0100[diff] [blame]118<a href="accumulate_8cl.xhtml">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="comment">/*</span></div>
119<div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment"> * Copyright (c) 2016, 2017 ARM Limited.</span></div>
120<div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment"> *</span></div>
121<div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="comment"> * SPDX-License-Identifier: MIT</span></div>
122<div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="comment"> *</span></div>
123<div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<span class="comment"> * Permission is hereby granted, free of charge, to any person obtaining a copy</span></div>
124<div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="comment"> * of this software and associated documentation files (the &quot;Software&quot;), to</span></div>
125<div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="comment"> * deal in the Software without restriction, including without limitation the</span></div>
126<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="comment"> * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or</span></div>
127<div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="comment"> * sell copies of the Software, and to permit persons to whom the Software is</span></div>
128<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="comment"> * furnished to do so, subject to the following conditions:</span></div>
129<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="comment"> *</span></div>
130<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="comment"> * The above copyright notice and this permission notice shall be included in all</span></div>
131<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;<span class="comment"> * copies or substantial portions of the Software.</span></div>
132<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="comment"> *</span></div>
133<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;<span class="comment"> * THE SOFTWARE IS PROVIDED &quot;AS IS&quot;, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR</span></div>
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136<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;<span class="comment"> * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER</span></div>
137<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;<span class="comment"> * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,</span></div>
138<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;<span class="comment"> * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE</span></div>
139<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;<span class="comment"> * SOFTWARE.</span></div>
140<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;<span class="comment"> */</span></div>
141<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="helpers_8h.xhtml">helpers.h</a>&quot;</span></div>
142<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;</div>
143<div class="line"><a name="l00041"></a><span class="lineno"><a class="line" href="accumulate_8cl.xhtml#a00e540076dd545ad59ac7482f8cdf514"> 41</a></span>&#160;__kernel <span class="keywordtype">void</span> <a class="code" href="accumulate_8cl.xhtml#a00e540076dd545ad59ac7482f8cdf514">accumulate</a>(</div>
144<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160; <a class="code" href="helpers_8h.xhtml#a22f42fcf2077d951271df83b55c1a71a">IMAGE_DECLARATION</a>(input),</div>
145<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160; <a class="code" href="helpers_8h.xhtml#a22f42fcf2077d951271df83b55c1a71a">IMAGE_DECLARATION</a>(accu))</div>
146<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160;{</div>
147<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160; <span class="comment">// Get pixels pointer</span></div>
148<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>
149<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>
150<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160;</div>
151<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160; <span class="comment">// Load data</span></div>
152<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>
153<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>
154<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160;</div>
155<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160; <span class="comment">// Perform accumulation</span></div>
156<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160; short16 res = add_sat(convert_short16(in_data), accu_data);</div>
157<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160;</div>
158<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160; <span class="comment">// Store result</span></div>
159<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>
160<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160;}</div>
161<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160;</div>
162<div class="line"><a name="l00076"></a><span class="lineno"><a class="line" href="accumulate_8cl.xhtml#ab64020e40663a4356d6037079d7292fb"> 76</a></span>&#160;__kernel <span class="keywordtype">void</span> <a class="code" href="accumulate_8cl.xhtml#ab64020e40663a4356d6037079d7292fb">accumulate_weighted</a>(</div>
163<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160; <a class="code" href="helpers_8h.xhtml#a22f42fcf2077d951271df83b55c1a71a">IMAGE_DECLARATION</a>(input),</div>
164<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160; <a class="code" href="helpers_8h.xhtml#a22f42fcf2077d951271df83b55c1a71a">IMAGE_DECLARATION</a>(accu),</div>
165<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160; <span class="keyword">const</span> <span class="keywordtype">float</span> alpha)</div>
166<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160;{</div>
167<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160; <span class="comment">// Get pixels pointer</span></div>
168<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>
169<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>
170<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160;</div>
171<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160; <span class="comment">// Load data</span></div>
172<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>
173<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>
174<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160;</div>
175<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160; <span class="comment">// Calculate weighted accumulation</span></div>
176<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>
177<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160;</div>
178<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160; <span class="comment">// Store result</span></div>
179<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>
180<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160;}</div>
181<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160;</div>
182<div class="line"><a name="l00112"></a><span class="lineno"><a class="line" href="accumulate_8cl.xhtml#aa6efbf07a1932e211879a0df54e9f50f"> 112</a></span>&#160;__kernel <span class="keywordtype">void</span> <a class="code" href="accumulate_8cl.xhtml#aa6efbf07a1932e211879a0df54e9f50f">accumulate_squared</a>(</div>
183<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160; <a class="code" href="helpers_8h.xhtml#a22f42fcf2077d951271df83b55c1a71a">IMAGE_DECLARATION</a>(input),</div>
184<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160; <a class="code" href="helpers_8h.xhtml#a22f42fcf2077d951271df83b55c1a71a">IMAGE_DECLARATION</a>(accu),</div>
185<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160; <span class="keyword">const</span> uint shift)</div>
186<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160;{</div>
187<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160; <span class="comment">// Get pixels pointer</span></div>
188<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>
189<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>
190<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160;</div>
191<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160; <span class="comment">// Load data</span></div>
192<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>
193<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>
194<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160;</div>
195<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160; <span class="comment">// Calculate squared accumulation</span></div>
196<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>
197<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160;</div>
198<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160; <span class="comment">// Store result</span></div>
199<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>
200<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160;}</div>
Kaizenbf8b01d2017-10-12 14:26:51 +0100[diff] [blame]201<div class="ttc" id="helpers_8h_xhtml_a22f42fcf2077d951271df83b55c1a71a"><div class="ttname"><a href="helpers_8h.xhtml#a22f42fcf2077d951271df83b55c1a71a">IMAGE_DECLARATION</a></div><div class="ttdeci">#define IMAGE_DECLARATION(name)</div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00060">helpers.h:60</a></div></div>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]202<div class="ttc" id="accumulate_8cl_xhtml_aa6efbf07a1932e211879a0df54e9f50f"><div class="ttname"><a href="accumulate_8cl.xhtml#aa6efbf07a1932e211879a0df54e9f50f">accumulate_squared</a></div><div class="ttdeci">__kernel void accumulate_squared(__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)</div><div class="ttdoc">This function accumulates a squared value from an input image to an output image. ...</div><div class="ttdef"><b>Definition:</b> <a href="accumulate_8cl_source.xhtml#l00112">accumulate.cl:112</a></div></div>
203<div class="ttc" id="helpers_8h_xhtml"><div class="ttname"><a href="helpers_8h.xhtml">helpers.h</a></div></div>
Kaizenbf8b01d2017-10-12 14:26:51 +0100[diff] [blame]204<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>
205<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>
206<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]207<div class="ttc" id="accumulate_8cl_xhtml_ab64020e40663a4356d6037079d7292fb"><div class="ttname"><a href="accumulate_8cl.xhtml#ab64020e40663a4356d6037079d7292fb">accumulate_weighted</a></div><div class="ttdeci">__kernel void accumulate_weighted(__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)</div><div class="ttdoc">This function accumulates a weighted value from an input image to an output image. </div><div class="ttdef"><b>Definition:</b> <a href="accumulate_8cl_source.xhtml#l00076">accumulate.cl:76</a></div></div>
208<div class="ttc" id="accumulate_8cl_xhtml_a00e540076dd545ad59ac7482f8cdf514"><div class="ttname"><a href="accumulate_8cl.xhtml#a00e540076dd545ad59ac7482f8cdf514">accumulate</a></div><div class="ttdeci">__kernel void accumulate(__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)</div><div class="ttdoc">This function accumulates an input image into output image. </div><div class="ttdef"><b>Definition:</b> <a href="accumulate_8cl_source.xhtml#l00041">accumulate.cl:41</a></div></div>
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Kaizen8938bd32017-09-28 14:38:23 +0100[diff] [blame]214 <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]215 <li class="footer">Generated on Thu Oct 12 2017 14:26:33 for Compute Library by
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]216 <a href="http://www.doxygen.org/index.html">
Kaizen8938bd32017-09-28 14:38:23 +0100[diff] [blame]217 <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.6 </li>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]218 </ul>
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