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gerrit-public.fairphone.software / platform / external / ComputeLibrary / 3d2d44ef55ab6b08afda8be48301ce3c55c7bc67 / . / documentation / remap_8cl.xhtml
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Anthony Barbierdbdab852017-06-23 15:42:00 +0100[diff] [blame]9<title>Compute Library: src/core/CL/cl_kernels/remap.cl File Reference</title>
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Anthony Barbierdbdab852017-06-23 15:42:00 +0100[diff] [blame]38 <div id="projectname">Compute Library
Jenkinsb9abeae2018-11-22 11:58:08 +0000[diff] [blame]39 &#160;<span id="projectnumber">18.11</span>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]40 </div>
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89<div class="header">
90 <div class="summary">
91<a href="#func-members">Functions</a> </div>
92 <div class="headertitle">
93<div class="title">remap.cl File Reference</div> </div>
94</div><!--header-->
95<div class="contents">
Jenkinsb9abeae2018-11-22 11:58:08 +0000[diff] [blame]96<div class="textblock"><code>#include &quot;<a class="el" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h_source.xhtml">helpers.h</a>&quot;</code><br />
Anthony Barbier8140e1e2017-12-14 23:48:46 +0000[diff] [blame]97<code>#include &quot;<a class="el" href="warp__helpers_8h_source.xhtml">warp_helpers.h</a>&quot;</code><br />
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]98</div>
99<p><a href="remap_8cl_source.xhtml">Go to the source code of this file.</a></p>
100<table class="memberdecls">
101<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
102Functions</h2></td></tr>
Jenkins52ba29e2018-08-29 15:32:11 +0000[diff] [blame]103<tr class="memitem:a786803611cc128275d32d9584376713e"><td class="memItemLeft" align="right" valign="top">__kernel void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="remap_8cl.xhtml#a786803611cc128275d32d9584376713e">remap_nearest_neighbour</a> (__global uchar *in_ptr, uint <a class="el" href="depthwise__convolution_8cl.xhtml#a5447e2c4e1aae8fff9290b775fe813ff">in_stride_x</a>, uint in_step_x, uint <a class="el" href="depthwise__convolution_8cl.xhtml#ac353c0687abd8c71a4fa096d322b39ec">in_stride_y</a>, uint in_step_y, uint in_offset_first_element_in_bytes, __global uchar *out_ptr, uint <a class="el" href="depthwise__convolution_8cl.xhtml#a68fce1f0ee4080ed89c9427496d625f2">out_stride_x</a>, uint out_step_x, uint <a class="el" href="depthwise__convolution_8cl.xhtml#ac8b6b732372937bba276e6391944d1e1">out_stride_y</a>, uint out_step_y, uint out_offset_first_element_in_bytes, __global uchar *mapx_ptr, uint mapx_stride_x, uint mapx_step_x, uint mapx_stride_y, uint mapx_step_y, uint mapx_offset_first_element_in_bytes, __global uchar *mapy_ptr, uint mapy_stride_x, uint mapy_step_x, uint mapy_stride_y, uint mapy_step_y, uint mapy_offset_first_element_in_bytes, const float width, const float height)</td></tr>
Anthony Barbier8140e1e2017-12-14 23:48:46 +0000[diff] [blame]104<tr class="memdesc:a786803611cc128275d32d9584376713e"><td class="mdescLeft">&#160;</td><td class="mdescRight">Performs a remapping of an input image to an output given two remapping image using nearest neighbor as interpolation. <a href="#a786803611cc128275d32d9584376713e">More...</a><br /></td></tr>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]105<tr class="separator:a786803611cc128275d32d9584376713e"><td class="memSeparator" colspan="2">&#160;</td></tr>
Jenkins52ba29e2018-08-29 15:32:11 +0000[diff] [blame]106<tr class="memitem:a1d771133d1dfea450fdbacda1c34ce49"><td class="memItemLeft" align="right" valign="top">__kernel void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="remap_8cl.xhtml#a1d771133d1dfea450fdbacda1c34ce49">remap_bilinear</a> (__global uchar *in_ptr, uint <a class="el" href="depthwise__convolution_8cl.xhtml#a5447e2c4e1aae8fff9290b775fe813ff">in_stride_x</a>, uint in_step_x, uint <a class="el" href="depthwise__convolution_8cl.xhtml#ac353c0687abd8c71a4fa096d322b39ec">in_stride_y</a>, uint in_step_y, uint in_offset_first_element_in_bytes, __global uchar *out_ptr, uint <a class="el" href="depthwise__convolution_8cl.xhtml#a68fce1f0ee4080ed89c9427496d625f2">out_stride_x</a>, uint out_step_x, uint <a class="el" href="depthwise__convolution_8cl.xhtml#ac8b6b732372937bba276e6391944d1e1">out_stride_y</a>, uint out_step_y, uint out_offset_first_element_in_bytes, __global uchar *mapx_ptr, uint mapx_stride_x, uint mapx_step_x, uint mapx_stride_y, uint mapx_step_y, uint mapx_offset_first_element_in_bytes, __global uchar *mapy_ptr, uint mapy_stride_x, uint mapy_step_x, uint mapy_stride_y, uint mapy_step_y, uint mapy_offset_first_element_in_bytes, const float width, const float height)</td></tr>
Anthony Barbier8140e1e2017-12-14 23:48:46 +0000[diff] [blame]107<tr class="memdesc:a1d771133d1dfea450fdbacda1c34ce49"><td class="mdescLeft">&#160;</td><td class="mdescRight">Performs a remapping of an input image to an output given two remapping image using bilinear as interpolation. <a href="#a1d771133d1dfea450fdbacda1c34ce49">More...</a><br /></td></tr>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]108<tr class="separator:a1d771133d1dfea450fdbacda1c34ce49"><td class="memSeparator" colspan="2">&#160;</td></tr>
109</table>
110<h2 class="groupheader">Function Documentation</h2>
Jenkinsb9abeae2018-11-22 11:58:08 +0000[diff] [blame]111<a id="a1d771133d1dfea450fdbacda1c34ce49"></a>
112<h2 class="memtitle"><span class="permalink"><a href="#a1d771133d1dfea450fdbacda1c34ce49">&#9670;&nbsp;</a></span>remap_bilinear()</h2>
113
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]114<div class="memitem">
115<div class="memproto">
116 <table class="memname">
117 <tr>
118 <td class="memname">__kernel void remap_bilinear </td>
119 <td>(</td>
120 <td class="paramtype">__global uchar *&#160;</td>
121 <td class="paramname"><em>in_ptr</em>, </td>
122 </tr>
123 <tr>
124 <td class="paramkey"></td>
125 <td></td>
126 <td class="paramtype">uint&#160;</td>
127 <td class="paramname"><em>in_stride_x</em>, </td>
128 </tr>
129 <tr>
130 <td class="paramkey"></td>
131 <td></td>
132 <td class="paramtype">uint&#160;</td>
133 <td class="paramname"><em>in_step_x</em>, </td>
134 </tr>
135 <tr>
136 <td class="paramkey"></td>
137 <td></td>
138 <td class="paramtype">uint&#160;</td>
139 <td class="paramname"><em>in_stride_y</em>, </td>
140 </tr>
141 <tr>
142 <td class="paramkey"></td>
143 <td></td>
144 <td class="paramtype">uint&#160;</td>
145 <td class="paramname"><em>in_step_y</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>in_offset_first_element_in_bytes</em>, </td>
152 </tr>
153 <tr>
154 <td class="paramkey"></td>
155 <td></td>
156 <td class="paramtype">__global uchar *&#160;</td>
157 <td class="paramname"><em>out_ptr</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>out_stride_x</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>out_step_x</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>out_stride_y</em>, </td>
176 </tr>
177 <tr>
178 <td class="paramkey"></td>
179 <td></td>
180 <td class="paramtype">uint&#160;</td>
181 <td class="paramname"><em>out_step_y</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>out_offset_first_element_in_bytes</em>, </td>
188 </tr>
189 <tr>
190 <td class="paramkey"></td>
191 <td></td>
192 <td class="paramtype">__global uchar *&#160;</td>
193 <td class="paramname"><em>mapx_ptr</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>mapx_stride_x</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>mapx_step_x</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>mapx_stride_y</em>, </td>
212 </tr>
213 <tr>
214 <td class="paramkey"></td>
215 <td></td>
216 <td class="paramtype">uint&#160;</td>
217 <td class="paramname"><em>mapx_step_y</em>, </td>
218 </tr>
219 <tr>
220 <td class="paramkey"></td>
221 <td></td>
222 <td class="paramtype">uint&#160;</td>
223 <td class="paramname"><em>mapx_offset_first_element_in_bytes</em>, </td>
224 </tr>
225 <tr>
226 <td class="paramkey"></td>
227 <td></td>
228 <td class="paramtype">__global uchar *&#160;</td>
229 <td class="paramname"><em>mapy_ptr</em>, </td>
230 </tr>
231 <tr>
232 <td class="paramkey"></td>
233 <td></td>
234 <td class="paramtype">uint&#160;</td>
235 <td class="paramname"><em>mapy_stride_x</em>, </td>
236 </tr>
237 <tr>
238 <td class="paramkey"></td>
239 <td></td>
240 <td class="paramtype">uint&#160;</td>
241 <td class="paramname"><em>mapy_step_x</em>, </td>
242 </tr>
243 <tr>
244 <td class="paramkey"></td>
245 <td></td>
246 <td class="paramtype">uint&#160;</td>
247 <td class="paramname"><em>mapy_stride_y</em>, </td>
248 </tr>
249 <tr>
250 <td class="paramkey"></td>
251 <td></td>
252 <td class="paramtype">uint&#160;</td>
253 <td class="paramname"><em>mapy_step_y</em>, </td>
254 </tr>
255 <tr>
256 <td class="paramkey"></td>
257 <td></td>
258 <td class="paramtype">uint&#160;</td>
259 <td class="paramname"><em>mapy_offset_first_element_in_bytes</em>, </td>
260 </tr>
261 <tr>
262 <td class="paramkey"></td>
263 <td></td>
264 <td class="paramtype">const float&#160;</td>
265 <td class="paramname"><em>width</em>, </td>
266 </tr>
267 <tr>
268 <td class="paramkey"></td>
269 <td></td>
270 <td class="paramtype">const float&#160;</td>
271 <td class="paramname"><em>height</em>&#160;</td>
272 </tr>
273 <tr>
274 <td></td>
275 <td>)</td>
276 <td></td><td></td>
277 </tr>
278 </table>
279</div><div class="memdoc">
280
281<p>Performs a remapping of an input image to an output given two remapping image using bilinear as interpolation. </p>
282<p>This kernel performs remapping with this method of pixel coordinate translation: out(x,y) = in(mapx(x,y), mapy(x,y));</p>
283<dl class="params"><dt>Parameters</dt><dd>
284 <table class="params">
285 <tr><td class="paramdir">[in]</td><td class="paramname">in_ptr</td><td>Pointer to the source image. Supported data types: U8. </td></tr>
286 <tr><td class="paramdir">[in]</td><td class="paramname">in_stride_x</td><td>Stride of the source image in X dimension (in bytes) </td></tr>
287 <tr><td class="paramdir">[in]</td><td class="paramname">in_step_x</td><td>in_stride_x * number of elements along X processed per work item (in bytes) </td></tr>
288 <tr><td class="paramdir">[in]</td><td class="paramname">in_stride_y</td><td>Stride of the source image in Y dimension (in bytes) </td></tr>
289 <tr><td class="paramdir">[in]</td><td class="paramname">in_step_y</td><td>in_stride_y * number of elements along Y processed per work item (in bytes) </td></tr>
290 <tr><td class="paramdir">[in]</td><td class="paramname">in_offset_first_element_in_bytes</td><td>Offset of the first element in the source image </td></tr>
291 <tr><td class="paramdir">[out]</td><td class="paramname">out_ptr</td><td>Pointer to the destination image. Supported data types: U8. </td></tr>
292 <tr><td class="paramdir">[in]</td><td class="paramname">out_stride_x</td><td>Stride of the destination image in X dimension (in bytes) </td></tr>
293 <tr><td class="paramdir">[in]</td><td class="paramname">out_step_x</td><td>out_stride_x * number of elements along X processed per work item (in bytes) </td></tr>
294 <tr><td class="paramdir">[in]</td><td class="paramname">out_stride_y</td><td>Stride of the destination image in Y dimension (in bytes) </td></tr>
295 <tr><td class="paramdir">[in]</td><td class="paramname">out_step_y</td><td>out_stride_y * number of elements along Y processed per work item (in bytes) </td></tr>
296 <tr><td class="paramdir">[in]</td><td class="paramname">out_offset_first_element_in_bytes</td><td>Offset of the first element in the destination image </td></tr>
297 <tr><td class="paramdir">[in]</td><td class="paramname">mapx_ptr</td><td>Pointer to the x remapping image. Supported data types: F32. </td></tr>
298 <tr><td class="paramdir">[in]</td><td class="paramname">mapx_stride_x</td><td>Stride of the remapping image in X dimension (in bytes) </td></tr>
299 <tr><td class="paramdir">[in]</td><td class="paramname">mapx_step_x</td><td>mapx_stride_x * number of elements along X processed per work item (in bytes) </td></tr>
300 <tr><td class="paramdir">[in]</td><td class="paramname">mapx_stride_y</td><td>Stride of the remapping image in Y dimension (in bytes) </td></tr>
301 <tr><td class="paramdir">[in]</td><td class="paramname">mapx_step_y</td><td>mapy_stride_y * number of elements along Y processed per work item (in bytes) </td></tr>
302 <tr><td class="paramdir">[in]</td><td class="paramname">mapx_offset_first_element_in_bytes</td><td>Offset of the first element in the remapping image </td></tr>
303 <tr><td class="paramdir">[in]</td><td class="paramname">mapy_ptr</td><td>Pointer to the x remapping image. Supported data types: F32. </td></tr>
304 <tr><td class="paramdir">[in]</td><td class="paramname">mapy_stride_x</td><td>Stride of the remapping image in X dimension (in bytes) </td></tr>
305 <tr><td class="paramdir">[in]</td><td class="paramname">mapy_step_x</td><td>mapy_stride_x * number of elements along X processed per work item (in bytes) </td></tr>
306 <tr><td class="paramdir">[in]</td><td class="paramname">mapy_stride_y</td><td>Stride of the remapping image in Y dimension (in bytes) </td></tr>
307 <tr><td class="paramdir">[in]</td><td class="paramname">mapy_step_y</td><td>mapy_stride_y * number of elements along Y processed per work item (in bytes) </td></tr>
308 <tr><td class="paramdir">[in]</td><td class="paramname">mapy_offset_first_element_in_bytes</td><td>Offset of the first element in the remapping image </td></tr>
309 <tr><td class="paramdir">[in]</td><td class="paramname">width</td><td>Width of the input image </td></tr>
310 <tr><td class="paramdir">[in]</td><td class="paramname">height</td><td>Height of the input image </td></tr>
311 </table>
312 </dd>
313</dl>
314
Jenkinsb9abeae2018-11-22 11:58:08 +0000[diff] [blame]315<p class="definition">Definition at line <a class="el" href="remap_8cl_source.xhtml#l00113">113</a> of file <a class="el" href="remap_8cl_source.xhtml">remap.cl</a>.</p>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]316
Jenkinsb9abeae2018-11-22 11:58:08 +0000[diff] [blame]317<p class="reference">References <a class="el" href="warp__helpers_8h_source.xhtml#l00137">bilinear_interpolate()</a>, <a class="el" href="warp__helpers_8h_source.xhtml#l00049">clamp_to_border()</a>, <a class="el" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h_source.xhtml#l00110">CONVERT_TO_IMAGE_STRUCT</a>, <a class="el" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h_source.xhtml#l00113">CONVERT_TO_IMAGE_STRUCT_NO_STEP</a>, <a class="el" href="_c_l_2_winograd_8cpp_source.xhtml#l00265">arm_compute::test::validation::in</a>, <a class="el" href="_c_l_2_winograd_8cpp_source.xhtml#l00266">arm_compute::test::validation::out</a>, and <a class="el" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h_source.xhtml#l00150">Image::ptr</a>.</p>
318
319<p class="reference">Referenced by <a class="el" href="_n_e_remap_kernel_8cpp_source.xhtml#l00076">NERemapKernel::configure()</a>.</p>
320<div class="fragment"><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160;{</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160; <a class="code" href="struct_image.xhtml">Image</a> <a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#ad366eaa4cf2d106037d91c30795a5c76">in</a> = <a class="code" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#a4334a4a76f8e9628c0fb9e1acf616e2a">CONVERT_TO_IMAGE_STRUCT_NO_STEP</a>(in);</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160; <a class="code" href="struct_image.xhtml">Image</a> <a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#af8a8a0625e7981212a0af48deb9d2a09">out</a> = <a class="code" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(out);</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160; <a class="code" href="struct_image.xhtml">Image</a> mapx = <a class="code" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(mapx);</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160; <a class="code" href="struct_image.xhtml">Image</a> mapy = <a class="code" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(mapy);</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160;</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160; float4 mapx_coords = vload4(0, (__global <span class="keywordtype">float</span> *)mapx.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>);</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160; float4 mapy_coords = vload4(0, (__global <span class="keywordtype">float</span> *)mapy.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>);</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160; float8 map_coords = (float8)(mapx_coords.s0, mapy_coords.s0, mapx_coords.s1, mapy_coords.s1,</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160; mapx_coords.s2, mapy_coords.s2, mapx_coords.s3, mapy_coords.s3);</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160;</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160; vstore4(<a class="code" href="warp__helpers_8h.xhtml#abea9f226daf3e0ad741d03cf7417d353">bilinear_interpolate</a>(&amp;in, <a class="code" href="warp__helpers_8h.xhtml#adbdf2ca9e8fe0b67f9359929ef743126">clamp_to_border</a>(map_coords, width, height), width, height), 0, out.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>);</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160;}</div><div class="ttc" id="src_2core_2_c_l_2cl__kernels_2_helpers_8h_xhtml_aebe814363556c244be043b13e7969197"><div class="ttname"><a href="src_2core_2_c_l_2cl__kernels_2_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="src_2core_2_c_l_2cl__kernels_2_helpers_8h_source.xhtml#l00110">helpers.h:110</a></div></div>
321<div class="ttc" id="warp__helpers_8h_xhtml_adbdf2ca9e8fe0b67f9359929ef743126"><div class="ttname"><a href="warp__helpers_8h.xhtml#adbdf2ca9e8fe0b67f9359929ef743126">clamp_to_border</a></div><div class="ttdeci">const float8 clamp_to_border(float8 coords, const float width, const float height)</div><div class="ttdoc">Clamps the given coordinates to the borders. </div><div class="ttdef"><b>Definition:</b> <a href="warp__helpers_8h_source.xhtml#l00049">warp_helpers.h:49</a></div></div>
322<div class="ttc" id="namespacearm__compute_1_1test_1_1validation_xhtml_ad366eaa4cf2d106037d91c30795a5c76"><div class="ttname"><a href="namespacearm__compute_1_1test_1_1validation.xhtml#ad366eaa4cf2d106037d91c30795a5c76">arm_compute::test::validation::in</a></div><div class="ttdeci">CLTensor in</div><div class="ttdef"><b>Definition:</b> <a href="_c_l_2_winograd_8cpp_source.xhtml#l00265">Winograd.cpp:265</a></div></div>
323<div class="ttc" id="src_2core_2_c_l_2cl__kernels_2_helpers_8h_xhtml_a4334a4a76f8e9628c0fb9e1acf616e2a"><div class="ttname"><a href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#a4334a4a76f8e9628c0fb9e1acf616e2a">CONVERT_TO_IMAGE_STRUCT_NO_STEP</a></div><div class="ttdeci">#define CONVERT_TO_IMAGE_STRUCT_NO_STEP(name)</div><div class="ttdef"><b>Definition:</b> <a href="src_2core_2_c_l_2cl__kernels_2_helpers_8h_source.xhtml#l00113">helpers.h:113</a></div></div>
324<div class="ttc" id="namespacearm__compute_1_1test_1_1validation_xhtml_af8a8a0625e7981212a0af48deb9d2a09"><div class="ttname"><a href="namespacearm__compute_1_1test_1_1validation.xhtml#af8a8a0625e7981212a0af48deb9d2a09">arm_compute::test::validation::out</a></div><div class="ttdeci">CLTensor out</div><div class="ttdef"><b>Definition:</b> <a href="_c_l_2_winograd_8cpp_source.xhtml#l00266">Winograd.cpp:266</a></div></div>
325<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="src_2core_2_c_l_2cl__kernels_2_helpers_8h_source.xhtml#l00148">helpers.h:148</a></div></div>
326<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="src_2core_2_c_l_2cl__kernels_2_helpers_8h_source.xhtml#l00150">helpers.h:150</a></div></div>
327<div class="ttc" id="warp__helpers_8h_xhtml_abea9f226daf3e0ad741d03cf7417d353"><div class="ttname"><a href="warp__helpers_8h.xhtml#abea9f226daf3e0ad741d03cf7417d353">bilinear_interpolate</a></div><div class="ttdeci">const DATA_TYPE4 bilinear_interpolate(const Image *in, const float8 coords, const float width, const float height)</div><div class="ttdoc">Computes the bilinear interpolation for each set of coordinates in the vector coords and returns the ...</div><div class="ttdef"><b>Definition:</b> <a href="warp__helpers_8h_source.xhtml#l00137">warp_helpers.h:137</a></div></div>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]328</div><!-- fragment -->
329</div>
330</div>
Jenkinsb9abeae2018-11-22 11:58:08 +0000[diff] [blame]331<a id="a786803611cc128275d32d9584376713e"></a>
332<h2 class="memtitle"><span class="permalink"><a href="#a786803611cc128275d32d9584376713e">&#9670;&nbsp;</a></span>remap_nearest_neighbour()</h2>
333
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]334<div class="memitem">
335<div class="memproto">
336 <table class="memname">
337 <tr>
338 <td class="memname">__kernel void remap_nearest_neighbour </td>
339 <td>(</td>
340 <td class="paramtype">__global uchar *&#160;</td>
341 <td class="paramname"><em>in_ptr</em>, </td>
342 </tr>
343 <tr>
344 <td class="paramkey"></td>
345 <td></td>
346 <td class="paramtype">uint&#160;</td>
347 <td class="paramname"><em>in_stride_x</em>, </td>
348 </tr>
349 <tr>
350 <td class="paramkey"></td>
351 <td></td>
352 <td class="paramtype">uint&#160;</td>
353 <td class="paramname"><em>in_step_x</em>, </td>
354 </tr>
355 <tr>
356 <td class="paramkey"></td>
357 <td></td>
358 <td class="paramtype">uint&#160;</td>
359 <td class="paramname"><em>in_stride_y</em>, </td>
360 </tr>
361 <tr>
362 <td class="paramkey"></td>
363 <td></td>
364 <td class="paramtype">uint&#160;</td>
365 <td class="paramname"><em>in_step_y</em>, </td>
366 </tr>
367 <tr>
368 <td class="paramkey"></td>
369 <td></td>
370 <td class="paramtype">uint&#160;</td>
371 <td class="paramname"><em>in_offset_first_element_in_bytes</em>, </td>
372 </tr>
373 <tr>
374 <td class="paramkey"></td>
375 <td></td>
376 <td class="paramtype">__global uchar *&#160;</td>
377 <td class="paramname"><em>out_ptr</em>, </td>
378 </tr>
379 <tr>
380 <td class="paramkey"></td>
381 <td></td>
382 <td class="paramtype">uint&#160;</td>
383 <td class="paramname"><em>out_stride_x</em>, </td>
384 </tr>
385 <tr>
386 <td class="paramkey"></td>
387 <td></td>
388 <td class="paramtype">uint&#160;</td>
389 <td class="paramname"><em>out_step_x</em>, </td>
390 </tr>
391 <tr>
392 <td class="paramkey"></td>
393 <td></td>
394 <td class="paramtype">uint&#160;</td>
395 <td class="paramname"><em>out_stride_y</em>, </td>
396 </tr>
397 <tr>
398 <td class="paramkey"></td>
399 <td></td>
400 <td class="paramtype">uint&#160;</td>
401 <td class="paramname"><em>out_step_y</em>, </td>
402 </tr>
403 <tr>
404 <td class="paramkey"></td>
405 <td></td>
406 <td class="paramtype">uint&#160;</td>
407 <td class="paramname"><em>out_offset_first_element_in_bytes</em>, </td>
408 </tr>
409 <tr>
410 <td class="paramkey"></td>
411 <td></td>
412 <td class="paramtype">__global uchar *&#160;</td>
413 <td class="paramname"><em>mapx_ptr</em>, </td>
414 </tr>
415 <tr>
416 <td class="paramkey"></td>
417 <td></td>
418 <td class="paramtype">uint&#160;</td>
419 <td class="paramname"><em>mapx_stride_x</em>, </td>
420 </tr>
421 <tr>
422 <td class="paramkey"></td>
423 <td></td>
424 <td class="paramtype">uint&#160;</td>
425 <td class="paramname"><em>mapx_step_x</em>, </td>
426 </tr>
427 <tr>
428 <td class="paramkey"></td>
429 <td></td>
430 <td class="paramtype">uint&#160;</td>
431 <td class="paramname"><em>mapx_stride_y</em>, </td>
432 </tr>
433 <tr>
434 <td class="paramkey"></td>
435 <td></td>
436 <td class="paramtype">uint&#160;</td>
437 <td class="paramname"><em>mapx_step_y</em>, </td>
438 </tr>
439 <tr>
440 <td class="paramkey"></td>
441 <td></td>
442 <td class="paramtype">uint&#160;</td>
443 <td class="paramname"><em>mapx_offset_first_element_in_bytes</em>, </td>
444 </tr>
445 <tr>
446 <td class="paramkey"></td>
447 <td></td>
448 <td class="paramtype">__global uchar *&#160;</td>
449 <td class="paramname"><em>mapy_ptr</em>, </td>
450 </tr>
451 <tr>
452 <td class="paramkey"></td>
453 <td></td>
454 <td class="paramtype">uint&#160;</td>
455 <td class="paramname"><em>mapy_stride_x</em>, </td>
456 </tr>
457 <tr>
458 <td class="paramkey"></td>
459 <td></td>
460 <td class="paramtype">uint&#160;</td>
461 <td class="paramname"><em>mapy_step_x</em>, </td>
462 </tr>
463 <tr>
464 <td class="paramkey"></td>
465 <td></td>
466 <td class="paramtype">uint&#160;</td>
467 <td class="paramname"><em>mapy_stride_y</em>, </td>
468 </tr>
469 <tr>
470 <td class="paramkey"></td>
471 <td></td>
472 <td class="paramtype">uint&#160;</td>
473 <td class="paramname"><em>mapy_step_y</em>, </td>
474 </tr>
475 <tr>
476 <td class="paramkey"></td>
477 <td></td>
478 <td class="paramtype">uint&#160;</td>
479 <td class="paramname"><em>mapy_offset_first_element_in_bytes</em>, </td>
480 </tr>
481 <tr>
482 <td class="paramkey"></td>
483 <td></td>
484 <td class="paramtype">const float&#160;</td>
485 <td class="paramname"><em>width</em>, </td>
486 </tr>
487 <tr>
488 <td class="paramkey"></td>
489 <td></td>
490 <td class="paramtype">const float&#160;</td>
491 <td class="paramname"><em>height</em>&#160;</td>
492 </tr>
493 <tr>
494 <td></td>
495 <td>)</td>
496 <td></td><td></td>
497 </tr>
498 </table>
499</div><div class="memdoc">
500
501<p>Performs a remapping of an input image to an output given two remapping image using nearest neighbor as interpolation. </p>
502<p>This kernel performs remapping with this method of pixel coordinate translation: out(x,y) = in(mapx(x,y), mapy(x,y));</p>
503<dl class="params"><dt>Parameters</dt><dd>
504 <table class="params">
505 <tr><td class="paramdir">[in]</td><td class="paramname">in_ptr</td><td>Pointer to the source image. Supported data types: U8. </td></tr>
506 <tr><td class="paramdir">[in]</td><td class="paramname">in_stride_x</td><td>Stride of the source image in X dimension (in bytes) </td></tr>
507 <tr><td class="paramdir">[in]</td><td class="paramname">in_step_x</td><td>in_stride_x * number of elements along X processed per work item (in bytes) </td></tr>
508 <tr><td class="paramdir">[in]</td><td class="paramname">in_stride_y</td><td>Stride of the source image in Y dimension (in bytes) </td></tr>
509 <tr><td class="paramdir">[in]</td><td class="paramname">in_step_y</td><td>in_stride_y * number of elements along Y processed per work item (in bytes) </td></tr>
510 <tr><td class="paramdir">[in]</td><td class="paramname">in_offset_first_element_in_bytes</td><td>Offset of the first element in the source image </td></tr>
511 <tr><td class="paramdir">[out]</td><td class="paramname">out_ptr</td><td>Pointer to the destination image. Supported data types: U8. </td></tr>
512 <tr><td class="paramdir">[in]</td><td class="paramname">out_stride_x</td><td>Stride of the destination image in X dimension (in bytes) </td></tr>
513 <tr><td class="paramdir">[in]</td><td class="paramname">out_step_x</td><td>out_stride_x * number of elements along X processed per work item (in bytes) </td></tr>
514 <tr><td class="paramdir">[in]</td><td class="paramname">out_stride_y</td><td>Stride of the destination image in Y dimension (in bytes) </td></tr>
515 <tr><td class="paramdir">[in]</td><td class="paramname">out_step_y</td><td>out_stride_y * number of elements along Y processed per work item (in bytes) </td></tr>
516 <tr><td class="paramdir">[in]</td><td class="paramname">out_offset_first_element_in_bytes</td><td>Offset of the first element in the destination image </td></tr>
517 <tr><td class="paramdir">[in]</td><td class="paramname">mapx_ptr</td><td>Pointer to the x remapping image. Supported data types: F32. </td></tr>
518 <tr><td class="paramdir">[in]</td><td class="paramname">mapx_stride_x</td><td>Stride of the remapping image in X dimension (in bytes) </td></tr>
519 <tr><td class="paramdir">[in]</td><td class="paramname">mapx_step_x</td><td>mapx_stride_x * number of elements along X processed per work item (in bytes) </td></tr>
520 <tr><td class="paramdir">[in]</td><td class="paramname">mapx_stride_y</td><td>Stride of the remapping image in Y dimension (in bytes) </td></tr>
521 <tr><td class="paramdir">[in]</td><td class="paramname">mapx_step_y</td><td>mapy_stride_y * number of elements along Y processed per work item (in bytes) </td></tr>
522 <tr><td class="paramdir">[in]</td><td class="paramname">mapx_offset_first_element_in_bytes</td><td>Offset of the first element in the remapping image </td></tr>
523 <tr><td class="paramdir">[in]</td><td class="paramname">mapy_ptr</td><td>Pointer to the x remapping image. Supported data types: F32. </td></tr>
524 <tr><td class="paramdir">[in]</td><td class="paramname">mapy_stride_x</td><td>Stride of the remapping image in X dimension (in bytes) </td></tr>
525 <tr><td class="paramdir">[in]</td><td class="paramname">mapy_step_x</td><td>mapy_stride_x * number of elements along X processed per work item (in bytes) </td></tr>
526 <tr><td class="paramdir">[in]</td><td class="paramname">mapy_stride_y</td><td>Stride of the remapping image in Y dimension (in bytes) </td></tr>
527 <tr><td class="paramdir">[in]</td><td class="paramname">mapy_step_y</td><td>mapy_stride_y * number of elements along Y processed per work item (in bytes) </td></tr>
528 <tr><td class="paramdir">[in]</td><td class="paramname">mapy_offset_first_element_in_bytes</td><td>Offset of the first element in the remapping image </td></tr>
529 <tr><td class="paramdir">[in]</td><td class="paramname">width</td><td>Width of the input image </td></tr>
530 <tr><td class="paramdir">[in]</td><td class="paramname">height</td><td>Height of the input image </td></tr>
531 </table>
532 </dd>
533</dl>
534
Jenkinsb9abeae2018-11-22 11:58:08 +0000[diff] [blame]535<p class="definition">Definition at line <a class="el" href="remap_8cl_source.xhtml#l00059">59</a> of file <a class="el" href="remap_8cl_source.xhtml">remap.cl</a>.</p>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]536
Jenkinsb9abeae2018-11-22 11:58:08 +0000[diff] [blame]537<p class="reference">References <a class="el" href="warp__helpers_8h_source.xhtml#l00049">clamp_to_border()</a>, <a class="el" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h_source.xhtml#l00110">CONVERT_TO_IMAGE_STRUCT</a>, <a class="el" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h_source.xhtml#l00113">CONVERT_TO_IMAGE_STRUCT_NO_STEP</a>, <a class="el" href="_c_l_2_winograd_8cpp_source.xhtml#l00265">arm_compute::test::validation::in</a>, <a class="el" href="_c_l_2_winograd_8cpp_source.xhtml#l00266">arm_compute::test::validation::out</a>, <a class="el" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h_source.xhtml#l00150">Image::ptr</a>, and <a class="el" href="warp__helpers_8h_source.xhtml#l00059">read_texels4()</a>.</p>
538<div class="fragment"><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160;{</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160; <a class="code" href="struct_image.xhtml">Image</a> <a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#ad366eaa4cf2d106037d91c30795a5c76">in</a> = <a class="code" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#a4334a4a76f8e9628c0fb9e1acf616e2a">CONVERT_TO_IMAGE_STRUCT_NO_STEP</a>(in);</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160; <a class="code" href="struct_image.xhtml">Image</a> <a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#af8a8a0625e7981212a0af48deb9d2a09">out</a> = <a class="code" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(out);</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160; <a class="code" href="struct_image.xhtml">Image</a> mapx = <a class="code" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(mapx);</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160; <a class="code" href="struct_image.xhtml">Image</a> mapy = <a class="code" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(mapy);</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160;</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160; float4 mapx_coords = vload4(0, (__global <span class="keywordtype">float</span> *)mapx.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>);</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160; float4 mapy_coords = vload4(0, (__global <span class="keywordtype">float</span> *)mapy.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>);</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160; float8 map_coords = (float8)(mapx_coords.s0, mapy_coords.s0, mapx_coords.s1, mapy_coords.s1,</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160; mapx_coords.s2, mapy_coords.s2, mapx_coords.s3, mapy_coords.s3);</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160; map_coords += (float8)(0.5f);</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160;</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160; vstore4(<a class="code" href="warp__helpers_8h.xhtml#aba42442a4c991cdbb52727fa370676f1">read_texels4</a>(&amp;in, convert_int8(<a class="code" href="warp__helpers_8h.xhtml#adbdf2ca9e8fe0b67f9359929ef743126">clamp_to_border</a>(map_coords, width, height))), 0, out.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>);</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160;}</div><div class="ttc" id="src_2core_2_c_l_2cl__kernels_2_helpers_8h_xhtml_aebe814363556c244be043b13e7969197"><div class="ttname"><a href="src_2core_2_c_l_2cl__kernels_2_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="src_2core_2_c_l_2cl__kernels_2_helpers_8h_source.xhtml#l00110">helpers.h:110</a></div></div>
539<div class="ttc" id="warp__helpers_8h_xhtml_adbdf2ca9e8fe0b67f9359929ef743126"><div class="ttname"><a href="warp__helpers_8h.xhtml#adbdf2ca9e8fe0b67f9359929ef743126">clamp_to_border</a></div><div class="ttdeci">const float8 clamp_to_border(float8 coords, const float width, const float height)</div><div class="ttdoc">Clamps the given coordinates to the borders. </div><div class="ttdef"><b>Definition:</b> <a href="warp__helpers_8h_source.xhtml#l00049">warp_helpers.h:49</a></div></div>
540<div class="ttc" id="namespacearm__compute_1_1test_1_1validation_xhtml_ad366eaa4cf2d106037d91c30795a5c76"><div class="ttname"><a href="namespacearm__compute_1_1test_1_1validation.xhtml#ad366eaa4cf2d106037d91c30795a5c76">arm_compute::test::validation::in</a></div><div class="ttdeci">CLTensor in</div><div class="ttdef"><b>Definition:</b> <a href="_c_l_2_winograd_8cpp_source.xhtml#l00265">Winograd.cpp:265</a></div></div>
541<div class="ttc" id="src_2core_2_c_l_2cl__kernels_2_helpers_8h_xhtml_a4334a4a76f8e9628c0fb9e1acf616e2a"><div class="ttname"><a href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#a4334a4a76f8e9628c0fb9e1acf616e2a">CONVERT_TO_IMAGE_STRUCT_NO_STEP</a></div><div class="ttdeci">#define CONVERT_TO_IMAGE_STRUCT_NO_STEP(name)</div><div class="ttdef"><b>Definition:</b> <a href="src_2core_2_c_l_2cl__kernels_2_helpers_8h_source.xhtml#l00113">helpers.h:113</a></div></div>
542<div class="ttc" id="namespacearm__compute_1_1test_1_1validation_xhtml_af8a8a0625e7981212a0af48deb9d2a09"><div class="ttname"><a href="namespacearm__compute_1_1test_1_1validation.xhtml#af8a8a0625e7981212a0af48deb9d2a09">arm_compute::test::validation::out</a></div><div class="ttdeci">CLTensor out</div><div class="ttdef"><b>Definition:</b> <a href="_c_l_2_winograd_8cpp_source.xhtml#l00266">Winograd.cpp:266</a></div></div>
543<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="src_2core_2_c_l_2cl__kernels_2_helpers_8h_source.xhtml#l00148">helpers.h:148</a></div></div>
544<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="src_2core_2_c_l_2cl__kernels_2_helpers_8h_source.xhtml#l00150">helpers.h:150</a></div></div>
545<div class="ttc" id="warp__helpers_8h_xhtml_aba42442a4c991cdbb52727fa370676f1"><div class="ttname"><a href="warp__helpers_8h.xhtml#aba42442a4c991cdbb52727fa370676f1">read_texels4</a></div><div class="ttdeci">const DATA_TYPE4 read_texels4(const Image *in, const int8 coords)</div><div class="ttdoc">Reads four texels from the input image. </div><div class="ttdef"><b>Definition:</b> <a href="warp__helpers_8h_source.xhtml#l00059">warp_helpers.h:59</a></div></div>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]546</div><!-- fragment -->
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Anthony Barbier8140e1e2017-12-14 23:48:46 +0000[diff] [blame]554 <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="remap_8cl.xhtml">remap.cl</a></li>
Jenkinsb9abeae2018-11-22 11:58:08 +0000[diff] [blame]555 <li class="footer">Generated on Thu Nov 22 2018 11:57:43 for Compute Library by
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Jenkinsb9abeae2018-11-22 11:58:08 +0000[diff] [blame]557 <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.13 </li>
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