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gerrit-public.fairphone.software / platform / external / ComputeLibrary / 8938bd3f40ea62ff56d6ed4e2db0a8aee34dd64a / . / documentation / depthwise__convolution_8cl_source.xhtml
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115<div class="title">depthwise_convolution.cl</div> </div>
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117<div class="contents">
118<a href="depthwise__convolution_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) 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>
134<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="comment"> * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,</span></div>
135<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="comment"> * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE</span></div>
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;</div>
142<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="helpers_8h.xhtml">helpers.h</a>&quot;</span></div>
143<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;</div>
144<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;<span class="preprocessor">#if defined(CONV_STRIDE_X)</span></div>
145<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;<span class="preprocessor"></span></div>
146<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;<span class="preprocessor">#if CONV_STRIDE_X == 1</span></div>
147<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define convolution1x3 convolution1x3_stride_1</span></div>
148<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#elif CONV_STRIDE_X == 2</span></div>
149<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define convolution1x3 convolution1x3_stride_2</span></div>
150<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#elif CONV_STRIDE_X == 3</span></div>
151<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define convolution1x3 convolution1x3_stride_3</span></div>
152<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#else </span><span class="comment">/* CONV_STRIDE_X */</span><span class="preprocessor"></span></div>
153<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#error &quot;Stride not supported&quot;</span></div>
154<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#endif </span><span class="comment">/* CONV_STRIDE_X */</span><span class="preprocessor"></span></div>
155<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160;<span class="preprocessor"></span></div>
156<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160;<span class="keyword">inline</span> float2 convolution1x3_stride_1(__global <span class="keyword">const</span> uchar *left_pixel,</div>
157<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160; <span class="keyword">const</span> <span class="keywordtype">float</span> left_coeff,</div>
158<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160; <span class="keyword">const</span> <span class="keywordtype">float</span> middle_coeff,</div>
159<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160; <span class="keyword">const</span> <span class="keywordtype">float</span> right_coeff)</div>
160<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160;{</div>
161<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160; float4 temp = vload4(0, (__global <span class="keywordtype">float</span> *)left_pixel);</div>
162<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160;</div>
163<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160; float2 left = <a class="code" href="fixed__point_8h.xhtml#aa8d95ba04fc73845abc6045952cae5be">CONVERT</a>(temp.s01, float2);</div>
164<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160; float2 middle = <a class="code" href="fixed__point_8h.xhtml#aa8d95ba04fc73845abc6045952cae5be">CONVERT</a>(temp.s12, float2);</div>
165<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160; float2 right = <a class="code" href="fixed__point_8h.xhtml#aa8d95ba04fc73845abc6045952cae5be">CONVERT</a>(temp.s23, float2);</div>
166<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160;</div>
167<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; <span class="keywordflow">return</span> left * (float2)left_coeff + middle * (float2)middle_coeff + right * (float2)right_coeff;</div>
168<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160;}</div>
169<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160;</div>
170<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160;inline float2 convolution1x3_stride_2(__global const uchar *left_pixel,</div>
171<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160; const <span class="keywordtype">float</span> left_coeff,</div>
172<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160; const <span class="keywordtype">float</span> middle_coeff,</div>
173<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160; const <span class="keywordtype">float</span> right_coeff)</div>
174<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160;{</div>
175<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160; float4 temp0 = vload4(0, (__global <span class="keywordtype">float</span> *)left_pixel);</div>
176<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160; <span class="keywordtype">float</span> temp1 = *((__global <span class="keywordtype">float</span> *)(left_pixel + 4 * <span class="keyword">sizeof</span>(<span class="keywordtype">float</span>)));</div>
177<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160;</div>
178<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160; float2 left = <a class="code" href="fixed__point_8h.xhtml#aa8d95ba04fc73845abc6045952cae5be">CONVERT</a>(temp0.s02, float2);</div>
179<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160; float2 middle = <a class="code" href="fixed__point_8h.xhtml#aa8d95ba04fc73845abc6045952cae5be">CONVERT</a>(temp0.s13, float2);</div>
180<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160; float2 right = <a class="code" href="fixed__point_8h.xhtml#aa8d95ba04fc73845abc6045952cae5be">CONVERT</a>((float2)(temp0.s2, temp1), float2);</div>
181<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160;</div>
182<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160; <span class="keywordflow">return</span> left * (float2)left_coeff + middle * (float2)middle_coeff + right * (float2)right_coeff;</div>
183<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160;}</div>
184<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160;</div>
185<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160;inline float2 convolution1x3_stride_3(__global const uchar *left_pixel,</div>
186<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160; const <span class="keywordtype">float</span> left_coeff,</div>
187<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160; const <span class="keywordtype">float</span> middle_coeff,</div>
188<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160; const <span class="keywordtype">float</span> right_coeff)</div>
189<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160;{</div>
190<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160; float4 temp0 = vload4(0, (__global <span class="keywordtype">float</span> *)left_pixel);</div>
191<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160; float2 temp1 = vload2(0, (__global <span class="keywordtype">float</span> *)(left_pixel + 4 * <span class="keyword">sizeof</span>(<span class="keywordtype">float</span>)));</div>
192<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160;</div>
193<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160; float2 left = <a class="code" href="fixed__point_8h.xhtml#aa8d95ba04fc73845abc6045952cae5be">CONVERT</a>(temp0.s03, float2);</div>
194<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160; float2 middle = <a class="code" href="fixed__point_8h.xhtml#aa8d95ba04fc73845abc6045952cae5be">CONVERT</a>((float2)(temp0.s1, temp1.s0), float2);</div>
195<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160; float2 right = <a class="code" href="fixed__point_8h.xhtml#aa8d95ba04fc73845abc6045952cae5be">CONVERT</a>((float2)(temp0.s2, temp1.s1), float2);</div>
196<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160;</div>
197<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160; <span class="keywordflow">return</span> left * (float2)left_coeff + middle * (float2)middle_coeff + right * (float2)right_coeff;</div>
198<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160;}</div>
199<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160;</div>
200<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160;inline float2 <a class="code" href="convolution3x3_8cl.xhtml#afc5fefe72e66f0ae5191fd5b708fade9">convolution3x3</a>(</div>
201<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160; <a class="code" href="struct_image.xhtml">Image</a> *src,</div>
202<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160; const <span class="keywordtype">float</span> mat0, const <span class="keywordtype">float</span> mat1, const <span class="keywordtype">float</span> mat2,</div>
203<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160; const <span class="keywordtype">float</span> mat3, const <span class="keywordtype">float</span> mat4, const <span class="keywordtype">float</span> mat5,</div>
204<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160; const <span class="keywordtype">float</span> mat6, const <span class="keywordtype">float</span> mat7, const <span class="keywordtype">float</span> mat8)</div>
205<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>&#160;{</div>
206<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160; float2 pixels;</div>
207<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160;</div>
208<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160; pixels = <a class="code" href="convolution3x3_8cl.xhtml#a92702074338198e81a46c3e309d9b04f">convolution1x3</a>(<a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(src, 0, 0), mat0, mat1, mat2);</div>
209<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160; pixels += <a class="code" href="convolution3x3_8cl.xhtml#a92702074338198e81a46c3e309d9b04f">convolution1x3</a>(<a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(src, 0, 1), mat3, mat4, mat5);</div>
210<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160; pixels += <a class="code" href="convolution3x3_8cl.xhtml#a92702074338198e81a46c3e309d9b04f">convolution1x3</a>(<a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(src, 0, 2), mat6, mat7, mat8);</div>
211<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160;</div>
212<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>&#160; <span class="keywordflow">return</span> pixels;</div>
213<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>&#160;}</div>
214<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160;</div>
215<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>&#160;__kernel <span class="keywordtype">void</span> depthwise_convolution_3x3(<a class="code" href="helpers_8h.xhtml#a6b83038822d1ae7ab619b684ed3b7fc0">TENSOR3D_DECLARATION</a>(src), <a class="code" href="helpers_8h.xhtml#a6b83038822d1ae7ab619b684ed3b7fc0">TENSOR3D_DECLARATION</a>(dst), <a class="code" href="helpers_8h.xhtml#a6b83038822d1ae7ab619b684ed3b7fc0">TENSOR3D_DECLARATION</a>(weights))</div>
216<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>&#160;{</div>
217<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>&#160; <a class="code" href="struct_image.xhtml">Image</a> src = <a class="code" href="helpers_8h.xhtml#a541f8db866a0fa93ee67d58ea31a7d0c">CONVERT_TENSOR3D_TO_IMAGE_STRUCT</a>(src);</div>
218<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>&#160; <a class="code" href="struct_image.xhtml">Image</a> dst = <a class="code" href="helpers_8h.xhtml#a541f8db866a0fa93ee67d58ea31a7d0c">CONVERT_TENSOR3D_TO_IMAGE_STRUCT</a>(dst);</div>
219<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>&#160; <a class="code" href="struct_tensor3_d.xhtml">Tensor3D</a> weights = <a class="code" href="helpers_8h.xhtml#a31c8c760f08fb1a331b16b7c204321dc">CONVERT_TO_TENSOR3D_STRUCT</a>(weights);</div>
220<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>&#160;</div>
221<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>&#160; uchar3 <a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a> = (uchar3)(0, 1, 2) * (uchar3)weights_stride_y;</div>
222<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>&#160; float3 weights_values0 = vload3(0, (__global <span class="keywordtype">float</span> *)(weights.<a class="code" href="struct_tensor3_d.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a> + offset.s0));</div>
223<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>&#160; float3 weights_values1 = vload3(0, (__global <span class="keywordtype">float</span> *)(weights.<a class="code" href="struct_tensor3_d.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a> + offset.s1));</div>
224<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>&#160; float3 weights_values2 = vload3(0, (__global <span class="keywordtype">float</span> *)(weights.<a class="code" href="struct_tensor3_d.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a> + offset.s2));</div>
225<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>&#160;</div>
226<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>&#160; float2 pixels = <a class="code" href="convolution3x3_8cl.xhtml#afc5fefe72e66f0ae5191fd5b708fade9">convolution3x3</a>(&amp;src, weights_values0.s0, weights_values0.s1, weights_values0.s2,</div>
227<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>&#160; weights_values1.s0, weights_values1.s1, weights_values1.s2,</div>
228<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>&#160; weights_values2.s0, weights_values2.s1, weights_values2.s2);</div>
229<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>&#160;</div>
230<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>&#160; vstore2(pixels, 0, (__global <span class="keywordtype">float</span> *)dst.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>);</div>
231<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>&#160;}</div>
232<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>&#160;</div>
233<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>&#160;<span class="preprocessor">#endif //defined(CONV_STRIDE_X)</span></div>
234<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>&#160;<span class="preprocessor"></span></div>
235<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>&#160;<span class="preprocessor">#if defined(SRC_WIDTH) &amp;&amp; defined(DATA_TYPE)</span></div>
236<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>&#160;<span class="preprocessor"></span></div>
237<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>&#160;__kernel <span class="keywordtype">void</span> depthwise_weights_reshape(<a class="code" href="helpers_8h.xhtml#a6b83038822d1ae7ab619b684ed3b7fc0">TENSOR3D_DECLARATION</a>(src), <a class="code" href="helpers_8h.xhtml#a22f42fcf2077d951271df83b55c1a71a">IMAGE_DECLARATION</a>(dst))</div>
238<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>&#160;{</div>
239<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>&#160; <a class="code" href="struct_tensor3_d.xhtml">Tensor3D</a> src = <a class="code" href="helpers_8h.xhtml#a31c8c760f08fb1a331b16b7c204321dc">CONVERT_TO_TENSOR3D_STRUCT</a>(src);</div>
240<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>&#160;</div>
241<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>&#160; __global <a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> *input_ptr = (__global <a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> *)src.<a class="code" href="struct_tensor3_d.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>;</div>
242<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>&#160; __global uchar *output_ptr = dst_ptr + dst_offset_first_element_in_bytes + get_global_id(1) * SRC_WIDTH * dst_stride_x + get_global_id(2) * dst_stride_y;</div>
243<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>&#160;</div>
244<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>&#160; <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i = 0; i &lt; SRC_WIDTH; ++i, ++input_ptr)</div>
245<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>&#160; {</div>
246<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>&#160; *((__global <a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> *)(output_ptr + i * dst_stride_x)) = *input_ptr;</div>
247<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>&#160; }</div>
248<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>&#160;}</div>
249<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>&#160;<span class="preprocessor">#endif //defined(SRC_WIDTH) &amp;&amp; defined(DATA_TYPE)</span></div>
250<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>&#160;<span class="preprocessor"></span></div>
251<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>&#160;<span class="preprocessor">#if defined(STRIDE_X) &amp;&amp; defined(STRIDE_Y) &amp;&amp; defined(PAD_X) &amp;&amp; defined(PAD_Y) &amp;&amp; defined(KERNEL_WIDTH) &amp;&amp; defined(KERNEL_HEIGHT) &amp;&amp; defined(SRC_WIDTH) &amp;&amp; defined(SRC_HEIGHT) &amp;&amp; defined(DATA_TYPE)</span></div>
252<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>&#160;<span class="preprocessor"></span></div>
253<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>&#160;__kernel <span class="keywordtype">void</span> depthwise_im2col(<a class="code" href="helpers_8h.xhtml#a6b83038822d1ae7ab619b684ed3b7fc0">TENSOR3D_DECLARATION</a>(src), <a class="code" href="helpers_8h.xhtml#a6b83038822d1ae7ab619b684ed3b7fc0">TENSOR3D_DECLARATION</a>(dst))</div>
254<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>&#160;{</div>
255<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>&#160; <a class="code" href="struct_tensor3_d.xhtml">Tensor3D</a> dst = <a class="code" href="helpers_8h.xhtml#a31c8c760f08fb1a331b16b7c204321dc">CONVERT_TO_TENSOR3D_STRUCT</a>(dst);</div>
256<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>&#160;</div>
257<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>&#160; <span class="keyword">const</span> <span class="keywordtype">int</span> src_pixel_linear = get_global_id(1) * STRIDE_X;</div>
258<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>&#160; <span class="keyword">const</span> <span class="keywordtype">int</span> full_length = SRC_WIDTH + 2 * PAD_X;</div>
259<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>&#160; <span class="keyword">const</span> <span class="keywordtype">int</span> max_initial_x = STRIDE_X * (((full_length - KERNEL_WIDTH) / STRIDE_X) + 1);</div>
260<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>&#160;</div>
261<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>&#160; <span class="keyword">const</span> <span class="keywordtype">int</span> src_x = -PAD_X + src_pixel_linear % max_initial_x;</div>
262<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>&#160; <span class="keyword">const</span> <span class="keywordtype">int</span> src_y = -PAD_Y + src_pixel_linear / max_initial_x * STRIDE_Y;</div>
263<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>&#160; <span class="keyword">const</span> <span class="keywordtype">int</span> src_z = get_global_id(2);</div>
264<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>&#160;</div>
265<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>&#160; __global uchar *input_ptr = src_ptr + src_offset_first_element_in_bytes + src_z * src_stride_z;</div>
266<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>&#160; __global <a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> *output_ptr = ((__global <a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> *)(dst.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>));</div>
267<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>&#160;</div>
268<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>&#160; <span class="keywordflow">for</span>(<span class="keywordtype">int</span> y = src_y; y &lt; src_y + KERNEL_HEIGHT; ++y)</div>
269<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>&#160; {</div>
270<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>&#160; <span class="keywordflow">for</span>(<span class="keywordtype">int</span> x = src_x; x &lt; src_x + KERNEL_WIDTH; ++x, ++output_ptr)</div>
271<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>&#160; {</div>
272<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>&#160; <span class="keywordflow">if</span>(x &lt; 0 || x &gt;= SRC_WIDTH || y &lt; 0 || y &gt;= SRC_HEIGHT)</div>
273<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>&#160; {</div>
274<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>&#160; *output_ptr = 0;</div>
275<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>&#160; }</div>
276<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>&#160; <span class="keywordflow">else</span></div>
277<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>&#160; {</div>
278<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>&#160; *output_ptr = *((__global <a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> *)(input_ptr + x * src_stride_x + y * src_stride_y));</div>
279<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>&#160; }</div>
280<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>&#160; }</div>
281<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>&#160; }</div>
282<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>&#160;}</div>
283<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>&#160;</div>
284<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>&#160;<span class="preprocessor">#endif //defined(STRIDE_X) &amp;&amp; defined(STRIDE_Y) &amp;&amp; defined(PAD_X) &amp;&amp; defined(PAD_Y) &amp;&amp; defined(KERNEL_WIDTH) &amp;&amp; defined(KERNEL_HEIGHT) &amp;&amp; defined(SRC_WIDTH) &amp;&amp; defined(DATA_TYPE)</span></div>
285<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>&#160;<span class="preprocessor"></span></div>
286<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>&#160;<span class="preprocessor">#if defined(CONV_WIDTH) &amp;&amp; defined(CONV_HEIGHT) &amp;&amp; defined(DATA_TYPE)</span></div>
287<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>&#160;<span class="preprocessor"></span></div>
288<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>&#160;__kernel <span class="keywordtype">void</span> depthwise_vector_to_tensor(</div>
289<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>&#160; <a class="code" href="helpers_8h.xhtml#a40a6eb9f2a7712f08d6bb8ff6c9e6ca7">VECTOR_DECLARATION</a>(src),</div>
290<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>&#160; <a class="code" href="helpers_8h.xhtml#a6b83038822d1ae7ab619b684ed3b7fc0">TENSOR3D_DECLARATION</a>(dst))</div>
291<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>&#160;{</div>
292<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>&#160; <a class="code" href="struct_vector.xhtml">Vector</a> src = <a class="code" href="helpers_8h.xhtml#a527bfdf5eeb306f1cf01c4a8e29f38e0">CONVERT_TO_VECTOR_STRUCT</a>(src);</div>
293<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>&#160;</div>
294<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>&#160; <span class="keyword">const</span> <span class="keywordtype">int</span> patch_size = CONV_WIDTH * CONV_HEIGHT;</div>
295<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>&#160; <span class="keyword">const</span> <span class="keywordtype">int</span> id0 = get_global_id(0);</div>
296<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>&#160; <span class="keyword">const</span> <span class="keywordtype">int</span> z = id0 / patch_size;</div>
297<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>&#160; <span class="keyword">const</span> <span class="keywordtype">int</span> index2D = id0 - z * patch_size;</div>
298<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>&#160;</div>
299<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>&#160; __global uchar *out_ptr = dst_ptr + dst_offset_first_element_in_bytes + index2D % CONV_WIDTH * dst_stride_x + index2D / CONV_WIDTH * dst_stride_y + z * dst_stride_z;</div>
300<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>&#160; *((__global <a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> *)out_ptr) = *((__global <a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> *)src.<a class="code" href="struct_vector.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>);</div>
301<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>&#160;}</div>
302<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>&#160;</div>
303<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>&#160;<span class="preprocessor">#endif //defined(CONV_WIDTH) &amp;&amp; defined(CONV_HEIGHT) &amp;&amp; defined(DATA_TYPE)</span></div>
304<div class="ttc" id="struct_vector_xhtml"><div class="ttname"><a href="struct_vector.xhtml">Vector</a></div><div class="ttdoc">Structure to hold Vector information. </div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00123">helpers.h:123</a></div></div>
305<div class="ttc" id="fixed__point_8h_xhtml_aa8d95ba04fc73845abc6045952cae5be"><div class="ttname"><a href="fixed__point_8h.xhtml#aa8d95ba04fc73845abc6045952cae5be">CONVERT</a></div><div class="ttdeci">#define CONVERT(x, type)</div><div class="ttdef"><b>Definition:</b> <a href="fixed__point_8h_source.xhtml#l00098">fixed_point.h:98</a></div></div>
306<div class="ttc" id="helpers_8h_xhtml_a31c8c760f08fb1a331b16b7c204321dc"><div class="ttname"><a href="helpers_8h.xhtml#a31c8c760f08fb1a331b16b7c204321dc">CONVERT_TO_TENSOR3D_STRUCT</a></div><div class="ttdeci">#define CONVERT_TO_TENSOR3D_STRUCT(name)</div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00108">helpers.h:108</a></div></div>
307<div class="ttc" id="helpers_8h_xhtml_a527bfdf5eeb306f1cf01c4a8e29f38e0"><div class="ttname"><a href="helpers_8h.xhtml#a527bfdf5eeb306f1cf01c4a8e29f38e0">CONVERT_TO_VECTOR_STRUCT</a></div><div class="ttdeci">#define CONVERT_TO_VECTOR_STRUCT(name)</div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00087">helpers.h:87</a></div></div>
308<div class="ttc" id="convolution3x3_8cl_xhtml_afb8c72ce35c4a1f4a2588d6573e54aa1"><div class="ttname"><a href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a></div><div class="ttdeci">#define DATA_TYPE</div><div class="ttdef"><b>Definition:</b> <a href="convolution3x3_8cl_source.xhtml#l00027">convolution3x3.cl:27</a></div></div>
309<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#l00057">helpers.h:57</a></div></div>
310<div class="ttc" id="struct_tensor3_d_xhtml"><div class="ttname"><a href="struct_tensor3_d.xhtml">Tensor3D</a></div><div class="ttdoc">Structure to hold 3D tensor information. </div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00140">helpers.h:140</a></div></div>
311<div class="ttc" id="helpers_8h_xhtml_a009469e4d9b8fce3b6d5e97d2077827d"><div class="ttname"><a href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a></div><div class="ttdeci">__global uchar * offset(const Image *img, int x, int y)</div><div class="ttdoc">Get the pointer position of a Image. </div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00292">helpers.h:292</a></div></div>
312<div class="ttc" id="helpers_8h_xhtml"><div class="ttname"><a href="helpers_8h.xhtml">helpers.h</a></div></div>
313<div class="ttc" id="convolution3x3_8cl_xhtml_afc5fefe72e66f0ae5191fd5b708fade9"><div class="ttname"><a href="convolution3x3_8cl.xhtml#afc5fefe72e66f0ae5191fd5b708fade9">convolution3x3</a></div><div class="ttdeci">short8 convolution3x3(Image *src, const short mat0, const short mat1, const short mat2, const short mat3, const short mat4, const short mat5, const short mat6, const short mat7, const short mat8, uint scale)</div><div class="ttdoc">Apply a 3x3 convolution matrix to a single channel U8 input image and return the result. </div><div class="ttdef"><b>Definition:</b> <a href="convolution3x3_8cl_source.xhtml#l00082">convolution3x3.cl:82</a></div></div>
314<div class="ttc" id="struct_vector_xhtml_acf52c23cbd7424606c10a606524e3e32"><div class="ttname"><a href="struct_vector.xhtml#acf52c23cbd7424606c10a606524e3e32">Vector::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#l00125">helpers.h:125</a></div></div>
315<div class="ttc" id="helpers_8h_xhtml_a40a6eb9f2a7712f08d6bb8ff6c9e6ca7"><div class="ttname"><a href="helpers_8h.xhtml#a40a6eb9f2a7712f08d6bb8ff6c9e6ca7">VECTOR_DECLARATION</a></div><div class="ttdeci">#define VECTOR_DECLARATION(name)</div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00051">helpers.h:51</a></div></div>
316<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#l00131">helpers.h:131</a></div></div>
317<div class="ttc" id="helpers_8h_xhtml_a6b83038822d1ae7ab619b684ed3b7fc0"><div class="ttname"><a href="helpers_8h.xhtml#a6b83038822d1ae7ab619b684ed3b7fc0">TENSOR3D_DECLARATION</a></div><div class="ttdeci">#define TENSOR3D_DECLARATION(name)</div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00065">helpers.h:65</a></div></div>
318<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#l00133">helpers.h:133</a></div></div>
319<div class="ttc" id="helpers_8h_xhtml_a541f8db866a0fa93ee67d58ea31a7d0c"><div class="ttname"><a href="helpers_8h.xhtml#a541f8db866a0fa93ee67d58ea31a7d0c">CONVERT_TENSOR3D_TO_IMAGE_STRUCT</a></div><div class="ttdeci">#define CONVERT_TENSOR3D_TO_IMAGE_STRUCT(name)</div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00105">helpers.h:105</a></div></div>
320<div class="ttc" id="struct_tensor3_d_xhtml_acf52c23cbd7424606c10a606524e3e32"><div class="ttname"><a href="struct_tensor3_d.xhtml#acf52c23cbd7424606c10a606524e3e32">Tensor3D::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#l00142">helpers.h:142</a></div></div>
321<div class="ttc" id="convolution3x3_8cl_xhtml_a92702074338198e81a46c3e309d9b04f"><div class="ttname"><a href="convolution3x3_8cl.xhtml#a92702074338198e81a46c3e309d9b04f">convolution1x3</a></div><div class="ttdeci">short8 convolution1x3(__global const uchar *left_pixel, const short left_coeff, const short middle_coeff, const short right_coeff)</div><div class="ttdoc">Compute a 1D horizontal convolution of size 3 for 8 bytes assuming the input is made of 1 channel of ...</div><div class="ttdef"><b>Definition:</b> <a href="convolution3x3_8cl_source.xhtml#l00043">convolution3x3.cl:43</a></div></div>
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