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gerrit-public.fairphone.software / platform / external / ComputeLibrary / 8140e1e155d3430992fa46e04ef8938ff09ffd2d / . / documentation / integral__image_8cl.xhtml
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Anthony Barbierdbdab852017-06-23 15:42:00 +0100[diff] [blame]42 <div id="projectname">Compute Library
Anthony Barbier8140e1e2017-12-14 23:48:46 +0000[diff] [blame^]43 &#160;<span id="projectnumber">17.12</span>
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115<div class="header">
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117<a href="#func-members">Functions</a> </div>
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119<div class="title">integral_image.cl File Reference</div> </div>
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121<div class="contents">
Anthony Barbier8140e1e2017-12-14 23:48:46 +0000[diff] [blame^]122<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]123</div>
124<p><a href="integral__image_8cl_source.xhtml">Go to the source code of this file.</a></p>
125<table class="memberdecls">
126<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
127Functions</h2></td></tr>
128<tr class="memitem:a472be6fbc82158f3eb807d9e52e3254b"><td class="memItemLeft" align="right" valign="top">__kernel void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="integral__image_8cl.xhtml#a472be6fbc82158f3eb807d9e52e3254b">integral_horizontal</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>
Anthony Barbier8140e1e2017-12-14 23:48:46 +0000[diff] [blame^]129<tr class="memdesc:a472be6fbc82158f3eb807d9e52e3254b"><td class="mdescLeft">&#160;</td><td class="mdescRight">This function computes the horizontal integral of the image. <a href="#a472be6fbc82158f3eb807d9e52e3254b">More...</a><br /></td></tr>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]130<tr class="separator:a472be6fbc82158f3eb807d9e52e3254b"><td class="memSeparator" colspan="2">&#160;</td></tr>
131<tr class="memitem:ae909fdef8be348f0da3b730289410433"><td class="memItemLeft" align="right" valign="top">__kernel void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="integral__image_8cl.xhtml#ae909fdef8be348f0da3b730289410433">integral_vertical</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, uint height)</td></tr>
Anthony Barbier8140e1e2017-12-14 23:48:46 +0000[diff] [blame^]132<tr class="memdesc:ae909fdef8be348f0da3b730289410433"><td class="mdescLeft">&#160;</td><td class="mdescRight">This function computes the vertical integral of the image. <a href="#ae909fdef8be348f0da3b730289410433">More...</a><br /></td></tr>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]133<tr class="separator:ae909fdef8be348f0da3b730289410433"><td class="memSeparator" colspan="2">&#160;</td></tr>
134</table>
135<h2 class="groupheader">Function Documentation</h2>
136<a class="anchor" id="a472be6fbc82158f3eb807d9e52e3254b"></a>
137<div class="memitem">
138<div class="memproto">
139 <table class="memname">
140 <tr>
141 <td class="memname">__kernel void integral_horizontal </td>
142 <td>(</td>
143 <td class="paramtype">__global uchar *&#160;</td>
144 <td class="paramname"><em>src_ptr</em>, </td>
145 </tr>
146 <tr>
147 <td class="paramkey"></td>
148 <td></td>
149 <td class="paramtype">uint&#160;</td>
150 <td class="paramname"><em>src_stride_x</em>, </td>
151 </tr>
152 <tr>
153 <td class="paramkey"></td>
154 <td></td>
155 <td class="paramtype">uint&#160;</td>
156 <td class="paramname"><em>src_step_x</em>, </td>
157 </tr>
158 <tr>
159 <td class="paramkey"></td>
160 <td></td>
161 <td class="paramtype">uint&#160;</td>
162 <td class="paramname"><em>src_stride_y</em>, </td>
163 </tr>
164 <tr>
165 <td class="paramkey"></td>
166 <td></td>
167 <td class="paramtype">uint&#160;</td>
168 <td class="paramname"><em>src_step_y</em>, </td>
169 </tr>
170 <tr>
171 <td class="paramkey"></td>
172 <td></td>
173 <td class="paramtype">uint&#160;</td>
174 <td class="paramname"><em>src_offset_first_element_in_bytes</em>, </td>
175 </tr>
176 <tr>
177 <td class="paramkey"></td>
178 <td></td>
179 <td class="paramtype">__global uchar *&#160;</td>
180 <td class="paramname"><em>dst_ptr</em>, </td>
181 </tr>
182 <tr>
183 <td class="paramkey"></td>
184 <td></td>
185 <td class="paramtype">uint&#160;</td>
186 <td class="paramname"><em>dst_stride_x</em>, </td>
187 </tr>
188 <tr>
189 <td class="paramkey"></td>
190 <td></td>
191 <td class="paramtype">uint&#160;</td>
192 <td class="paramname"><em>dst_step_x</em>, </td>
193 </tr>
194 <tr>
195 <td class="paramkey"></td>
196 <td></td>
197 <td class="paramtype">uint&#160;</td>
198 <td class="paramname"><em>dst_stride_y</em>, </td>
199 </tr>
200 <tr>
201 <td class="paramkey"></td>
202 <td></td>
203 <td class="paramtype">uint&#160;</td>
204 <td class="paramname"><em>dst_step_y</em>, </td>
205 </tr>
206 <tr>
207 <td class="paramkey"></td>
208 <td></td>
209 <td class="paramtype">uint&#160;</td>
210 <td class="paramname"><em>dst_offset_first_element_in_bytes</em>&#160;</td>
211 </tr>
212 <tr>
213 <td></td>
214 <td>)</td>
215 <td></td><td></td>
216 </tr>
217 </table>
218</div><div class="memdoc">
219
220<p>This function computes the horizontal integral of the image. </p>
221<dl class="params"><dt>Parameters</dt><dd>
222 <table class="params">
223 <tr><td class="paramdir">[in]</td><td class="paramname">src_ptr</td><td>Pointer to the source image. Supported data types: U8 </td></tr>
224 <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>
225 <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>
226 <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>
227 <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>
228 <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>
229 <tr><td class="paramdir">[out]</td><td class="paramname">dst_ptr</td><td>Pointer to the destination image. Supported data types: U32 </td></tr>
230 <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>
231 <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>
232 <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>
233 <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>
234 <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>
235 </table>
236 </dd>
237</dl>
238
239<p>Definition at line <a class="el" href="integral__image_8cl_source.xhtml#l00041">41</a> of file <a class="el" href="integral__image_8cl_source.xhtml">integral_image.cl</a>.</p>
240
Anthony Barbier8140e1e2017-12-14 23:48:46 +0000[diff] [blame^]241<p>References <a class="el" href="helpers_8h_source.xhtml#l00102">CONVERT_TO_IMAGE_STRUCT</a>, <a class="el" href="validation_2_n_e_o_n_2_g_e_m_m_8cpp_source.xhtml#l00118">arm_compute::test::validation::dst</a>, and <a class="el" href="helpers_8h_source.xhtml#l00301">offset()</a>.</p>
242<div class="fragment"><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160;{</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</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="l00046"></a><span class="lineno"> 46</span>&#160; <a class="code" href="struct_image.xhtml">Image</a> <a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#adbf67dcee294e673cf796f1ed8aeb6a4">dst</a> = <a class="code" href="helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(dst);</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160;</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160; uint prev = 0;</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160;</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160; <span class="keywordflow">for</span>(uint j = 0; j &lt; src_step_x; j += 16)</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160; {</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160; barrier(CLK_GLOBAL_MEM_FENCE);</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160; uint16 res = convert_uint16(vload16(0, <a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(&amp;src, j, 0)));</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160; res.s0 += prev;</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160; res.s1 += res.s0;</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160; res.s2 += res.s1;</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160; res.s3 += res.s2;</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160; res.s4 += res.s3;</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; res.s5 += res.s4;</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160; res.s6 += res.s5;</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160; res.s7 += res.s6;</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160; res.s8 += res.s7;</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160; res.s9 += res.s8;</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160; res.sA += res.s9;</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160; res.sB += res.sA;</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160; res.sC += res.sB;</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160; res.sD += res.sC;</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160; res.sE += res.sD;</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160; res.sF += res.sE;</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160; prev = res.sF;</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160; vstore16(res, 0, (__global uint *)<a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(&amp;dst, j, 0));</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160; }</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160;}</div><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#l00301">helpers.h:301</a></div></div>
243<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#l00102">helpers.h:102</a></div></div>
244<div class="ttc" id="namespacearm__compute_1_1test_1_1validation_xhtml_adbf67dcee294e673cf796f1ed8aeb6a4"><div class="ttname"><a href="namespacearm__compute_1_1test_1_1validation.xhtml#adbf67dcee294e673cf796f1ed8aeb6a4">arm_compute::test::validation::dst</a></div><div class="ttdeci">Tensor dst</div><div class="ttdef"><b>Definition:</b> <a href="validation_2_n_e_o_n_2_g_e_m_m_8cpp_source.xhtml#l00118">GEMM.cpp:118</a></div></div>
245<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#l00140">helpers.h:140</a></div></div>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]246</div><!-- fragment -->
247</div>
248</div>
249<a class="anchor" id="ae909fdef8be348f0da3b730289410433"></a>
250<div class="memitem">
251<div class="memproto">
252 <table class="memname">
253 <tr>
254 <td class="memname">__kernel void integral_vertical </td>
255 <td>(</td>
256 <td class="paramtype">__global uchar *&#160;</td>
257 <td class="paramname"><em>src_ptr</em>, </td>
258 </tr>
259 <tr>
260 <td class="paramkey"></td>
261 <td></td>
262 <td class="paramtype">uint&#160;</td>
263 <td class="paramname"><em>src_stride_x</em>, </td>
264 </tr>
265 <tr>
266 <td class="paramkey"></td>
267 <td></td>
268 <td class="paramtype">uint&#160;</td>
269 <td class="paramname"><em>src_step_x</em>, </td>
270 </tr>
271 <tr>
272 <td class="paramkey"></td>
273 <td></td>
274 <td class="paramtype">uint&#160;</td>
275 <td class="paramname"><em>src_stride_y</em>, </td>
276 </tr>
277 <tr>
278 <td class="paramkey"></td>
279 <td></td>
280 <td class="paramtype">uint&#160;</td>
281 <td class="paramname"><em>src_step_y</em>, </td>
282 </tr>
283 <tr>
284 <td class="paramkey"></td>
285 <td></td>
286 <td class="paramtype">uint&#160;</td>
287 <td class="paramname"><em>src_offset_first_element_in_bytes</em>, </td>
288 </tr>
289 <tr>
290 <td class="paramkey"></td>
291 <td></td>
292 <td class="paramtype">uint&#160;</td>
293 <td class="paramname"><em>height</em>&#160;</td>
294 </tr>
295 <tr>
296 <td></td>
297 <td>)</td>
298 <td></td><td></td>
299 </tr>
300 </table>
301</div><div class="memdoc">
302
303<p>This function computes the vertical integral of the image. </p>
304<dl class="params"><dt>Parameters</dt><dd>
305 <table class="params">
306 <tr><td class="paramdir">[in,out]</td><td class="paramname">src_ptr</td><td>Pointer to the source image. Supported data types: U32 </td></tr>
307 <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>
308 <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>
309 <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>
310 <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>
311 <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>
312 <tr><td class="paramdir">[in]</td><td class="paramname">height</td><td><a class="el" href="struct_image.xhtml" title="Structure to hold Image information. ">Image</a> height. </td></tr>
313 </table>
314 </dd>
315</dl>
316
317<p>Definition at line <a class="el" href="integral__image_8cl_source.xhtml#l00085">85</a> of file <a class="el" href="integral__image_8cl_source.xhtml">integral_image.cl</a>.</p>
318
Anthony Barbier8140e1e2017-12-14 23:48:46 +0000[diff] [blame^]319<p>References <a class="el" href="helpers_8h_source.xhtml#l00102">CONVERT_TO_IMAGE_STRUCT</a>, and <a class="el" href="helpers_8h_source.xhtml#l00301">offset()</a>.</p>
320<div class="fragment"><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160;{</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</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="l00090"></a><span class="lineno"> 90</span>&#160;</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160; uint8 prev = vload8(0, (__global uint *)<a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(&amp;src, 0, 0));</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160; <span class="keywordflow">for</span>(uint j = 1; j &lt; height; ++j)</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; barrier(CLK_GLOBAL_MEM_FENCE);</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160; uint8 res = vload8(0, (__global uint *)<a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(&amp;src, 0, j));</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160; res += prev;</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160; vstore8(res, 0, (__global uint *)<a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(&amp;src, 0, j));</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160; prev = res;</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160; }</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160;}</div><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#l00301">helpers.h:301</a></div></div>
321<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#l00102">helpers.h:102</a></div></div>
322<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#l00140">helpers.h:140</a></div></div>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]323</div><!-- fragment -->
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Anthony Barbier8140e1e2017-12-14 23:48:46 +0000[diff] [blame^]331 <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="integral__image_8cl.xhtml">integral_image.cl</a></li>
332 <li class="footer">Generated on Thu Dec 14 2017 23:48:34 for Compute Library by
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Anthony Barbier8140e1e2017-12-14 23:48:46 +0000[diff] [blame^]334 <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.11 </li>
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