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gerrit-public.fairphone.software / platform / external / ComputeLibrary / b9abeae0897bef74553ba9800c4ff5f74131c5b4 / . / documentation / scale_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/scale.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">scale.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="scale_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>
103<tr class="memitem:a55c710b814464d9b8982c4eb6ca04dee"><td class="memItemLeft" align="right" valign="top">const float8&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="scale_8cl.xhtml#a55c710b814464d9b8982c4eb6ca04dee">transform_nearest</a> (const float2 coord, const float2 scale)</td></tr>
Anthony Barbier8140e1e2017-12-14 23:48:46 +0000[diff] [blame]104<tr class="memdesc:a55c710b814464d9b8982c4eb6ca04dee"><td class="mdescLeft">&#160;</td><td class="mdescRight">Transforms four 2D coordinates. <a href="#a55c710b814464d9b8982c4eb6ca04dee">More...</a><br /></td></tr>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]105<tr class="separator:a55c710b814464d9b8982c4eb6ca04dee"><td class="memSeparator" colspan="2">&#160;</td></tr>
106<tr class="memitem:a1990e87858b15b8fce3f63965fb9b86c"><td class="memItemLeft" align="right" valign="top">const float8&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="scale_8cl.xhtml#a1990e87858b15b8fce3f63965fb9b86c">transform_bilinear</a> (const float2 coord, const float2 scale)</td></tr>
Anthony Barbier8140e1e2017-12-14 23:48:46 +0000[diff] [blame]107<tr class="memdesc:a1990e87858b15b8fce3f63965fb9b86c"><td class="mdescLeft">&#160;</td><td class="mdescRight">Transforms four 2D coordinates. <a href="#a1990e87858b15b8fce3f63965fb9b86c">More...</a><br /></td></tr>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]108<tr class="separator:a1990e87858b15b8fce3f63965fb9b86c"><td class="memSeparator" colspan="2">&#160;</td></tr>
Jenkins52ba29e2018-08-29 15:32:11 +0000[diff] [blame]109<tr class="memitem:ab0d36306b50e1c7961dfa9337d73ecbb"><td class="memItemLeft" align="right" valign="top">__kernel void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="scale_8cl.xhtml#ab0d36306b50e1c7961dfa9337d73ecbb">scale_nearest_neighbour_nchw</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, const float input_width, const float input_height, const float scale_x, const float scale_y)</td></tr>
110<tr class="memdesc:ab0d36306b50e1c7961dfa9337d73ecbb"><td class="mdescLeft">&#160;</td><td class="mdescRight">Performs an affine transformation on an image interpolating with the NEAREAST NEIGHBOUR method. <a href="#ab0d36306b50e1c7961dfa9337d73ecbb">More...</a><br /></td></tr>
111<tr class="separator:ab0d36306b50e1c7961dfa9337d73ecbb"><td class="memSeparator" colspan="2">&#160;</td></tr>
112<tr class="memitem:a8721515bc3a5bd5c2c07c71680836989"><td class="memItemLeft" align="right" valign="top">__kernel void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="scale_8cl.xhtml#a8721515bc3a5bd5c2c07c71680836989">scale_bilinear_nchw</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, const float input_width, const float input_height, const float scale_x, const float scale_y)</td></tr>
113<tr class="memdesc:a8721515bc3a5bd5c2c07c71680836989"><td class="mdescLeft">&#160;</td><td class="mdescRight">Performs an affine transformation on an image interpolating with the BILINEAR method. <a href="#a8721515bc3a5bd5c2c07c71680836989">More...</a><br /></td></tr>
114<tr class="separator:a8721515bc3a5bd5c2c07c71680836989"><td class="memSeparator" colspan="2">&#160;</td></tr>
115<tr class="memitem:a2216ff8602b48932fb95cdc3d02c8bba"><td class="memItemLeft" align="right" valign="top">__kernel void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="scale_8cl.xhtml#a2216ff8602b48932fb95cdc3d02c8bba">scale_nearest_neighbour_nhwc</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 <a class="el" href="depthwise__convolution_8cl.xhtml#a32137dd220c1110408a7b498108de2c5">in_stride_z</a>, uint in_step_z, 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 <a class="el" href="depthwise__convolution_8cl.xhtml#a128f47cb6aacde29e07fde2c4b9f5dd2">out_stride_z</a>, uint out_step_z, uint out_offset_first_element_in_bytes, const float input_width, const float input_height, const float scale_x, const float scale_y)</td></tr>
116<tr class="memdesc:a2216ff8602b48932fb95cdc3d02c8bba"><td class="mdescLeft">&#160;</td><td class="mdescRight">Performs scale on an image interpolating with the NEAREAST NEIGHBOUR method. <a href="#a2216ff8602b48932fb95cdc3d02c8bba">More...</a><br /></td></tr>
117<tr class="separator:a2216ff8602b48932fb95cdc3d02c8bba"><td class="memSeparator" colspan="2">&#160;</td></tr>
118<tr class="memitem:ac0b6964599b54e3488b5ce8e294b67cc"><td class="memItemLeft" align="right" valign="top">__kernel void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="scale_8cl.xhtml#ac0b6964599b54e3488b5ce8e294b67cc">scale_bilinear_nhwc</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 <a class="el" href="depthwise__convolution_8cl.xhtml#a32137dd220c1110408a7b498108de2c5">in_stride_z</a>, uint in_step_z, 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 <a class="el" href="depthwise__convolution_8cl.xhtml#a128f47cb6aacde29e07fde2c4b9f5dd2">out_stride_z</a>, uint out_step_z, uint out_offset_first_element_in_bytes, const float input_width, const float input_height, const float scale_x, const float scale_y)</td></tr>
119<tr class="memdesc:ac0b6964599b54e3488b5ce8e294b67cc"><td class="mdescLeft">&#160;</td><td class="mdescRight">Performs scale on an image interpolating with the BILINEAR method. <a href="#ac0b6964599b54e3488b5ce8e294b67cc">More...</a><br /></td></tr>
120<tr class="separator:ac0b6964599b54e3488b5ce8e294b67cc"><td class="memSeparator" colspan="2">&#160;</td></tr>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]121</table>
122<h2 class="groupheader">Function Documentation</h2>
Jenkinsb9abeae2018-11-22 11:58:08 +0000[diff] [blame^]123<a id="a8721515bc3a5bd5c2c07c71680836989"></a>
124<h2 class="memtitle"><span class="permalink"><a href="#a8721515bc3a5bd5c2c07c71680836989">&#9670;&nbsp;</a></span>scale_bilinear_nchw()</h2>
125
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]126<div class="memitem">
127<div class="memproto">
128 <table class="memname">
129 <tr>
Jenkins52ba29e2018-08-29 15:32:11 +0000[diff] [blame]130 <td class="memname">__kernel void scale_bilinear_nchw </td>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]131 <td>(</td>
132 <td class="paramtype">__global uchar *&#160;</td>
133 <td class="paramname"><em>in_ptr</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_x</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_x</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_stride_y</em>, </td>
152 </tr>
153 <tr>
154 <td class="paramkey"></td>
155 <td></td>
156 <td class="paramtype">uint&#160;</td>
157 <td class="paramname"><em>in_step_y</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>in_offset_first_element_in_bytes</em>, </td>
164 </tr>
165 <tr>
166 <td class="paramkey"></td>
167 <td></td>
168 <td class="paramtype">__global uchar *&#160;</td>
169 <td class="paramname"><em>out_ptr</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_x</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_x</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_stride_y</em>, </td>
188 </tr>
189 <tr>
190 <td class="paramkey"></td>
191 <td></td>
192 <td class="paramtype">uint&#160;</td>
193 <td class="paramname"><em>out_step_y</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>out_offset_first_element_in_bytes</em>, </td>
200 </tr>
201 <tr>
202 <td class="paramkey"></td>
203 <td></td>
204 <td class="paramtype">const float&#160;</td>
205 <td class="paramname"><em>input_width</em>, </td>
206 </tr>
207 <tr>
208 <td class="paramkey"></td>
209 <td></td>
210 <td class="paramtype">const float&#160;</td>
211 <td class="paramname"><em>input_height</em>, </td>
212 </tr>
213 <tr>
214 <td class="paramkey"></td>
215 <td></td>
216 <td class="paramtype">const float&#160;</td>
Kaizen8938bd32017-09-28 14:38:23 +0100[diff] [blame]217 <td class="paramname"><em>scale_x</em>, </td>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]218 </tr>
219 <tr>
220 <td class="paramkey"></td>
221 <td></td>
222 <td class="paramtype">const float&#160;</td>
Kaizen8938bd32017-09-28 14:38:23 +0100[diff] [blame]223 <td class="paramname"><em>scale_y</em>&#160;</td>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]224 </tr>
225 <tr>
226 <td></td>
227 <td>)</td>
228 <td></td><td></td>
229 </tr>
230 </table>
231</div><div class="memdoc">
232
233<p>Performs an affine transformation on an image interpolating with the BILINEAR method. </p>
Anthony Barbier8140e1e2017-12-14 23:48:46 +0000[diff] [blame]234<dl class="section note"><dt>Note</dt><dd>Sampling policy to used is passed as -DSAMPLING_POLICY_(TYPE) e.g. -DSAMPLING_POLICY_TOP_LEFT</dd></dl>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]235<dl class="params"><dt>Parameters</dt><dd>
236 <table class="params">
237 <tr><td class="paramdir">[in]</td><td class="paramname">in_ptr</td><td>Pointer to the source image. Supported data types: U8, S16. </td></tr>
238 <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>
239 <tr><td class="paramdir">[in]</td><td class="paramname">in_step_x</td><td>src_stride_x * number of elements along X processed per workitem(in bytes) </td></tr>
240 <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>
241 <tr><td class="paramdir">[in]</td><td class="paramname">in_step_y</td><td>src_stride_y * number of elements along Y processed per workitem(in bytes) </td></tr>
242 <tr><td class="paramdir">[in]</td><td class="paramname">in_offset_first_element_in_bytes</td><td>The offset of the first element in the source image </td></tr>
243 <tr><td class="paramdir">[out]</td><td class="paramname">out_ptr</td><td>Pointer to the destination image. Supported data types: U8, S16. (Must be the same as the input) </td></tr>
244 <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>
245 <tr><td class="paramdir">[in]</td><td class="paramname">out_step_x</td><td>dst_stride_x * number of elements along X processed per workitem(in bytes) </td></tr>
246 <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>
247 <tr><td class="paramdir">[in]</td><td class="paramname">out_step_y</td><td>dst_stride_y * number of elements along Y processed per workitem(in bytes) </td></tr>
248 <tr><td class="paramdir">[in]</td><td class="paramname">out_offset_first_element_in_bytes</td><td>The offset of the first element in the destination image </td></tr>
249 <tr><td class="paramdir">[in]</td><td class="paramname">input_width</td><td>Input image width </td></tr>
250 <tr><td class="paramdir">[in]</td><td class="paramname">input_height</td><td>Input image height </td></tr>
Kaizen8938bd32017-09-28 14:38:23 +0100[diff] [blame]251 <tr><td class="paramdir">[in]</td><td class="paramname">scale_x</td><td>The scale factor along x dimension </td></tr>
252 <tr><td class="paramdir">[in]</td><td class="paramname">scale_y</td><td>The scale factor along y dimension </td></tr>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]253 </table>
254 </dd>
255</dl>
256
Jenkinsb9abeae2018-11-22 11:58:08 +0000[diff] [blame^]257<p class="definition">Definition at line <a class="el" href="scale_8cl_source.xhtml#l00122">122</a> of file <a class="el" href="scale_8cl_source.xhtml">scale.cl</a>.</p>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]258
Jenkinsb9abeae2018-11-22 11:58:08 +0000[diff] [blame^]259<p class="reference">References <a class="el" href="warp__helpers_8h_source.xhtml#l00095">bilinear_interpolate_with_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="convolution3x3_8cl_source.xhtml#l00027">DATA_TYPE</a>, <a class="el" href="warp__helpers_8h_source.xhtml#l00068">get_current_coords()</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="scale_8cl_source.xhtml#l00049">transform_bilinear()</a>.</p>
260<div class="fragment"><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160;{</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</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="l00131"></a><span class="lineno"> 131</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="l00132"></a><span class="lineno"> 132</span>&#160; <span class="keyword">const</span> float2 r = (float2)(scale_x, scale_y);</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160; <span class="keyword">const</span> float8 tc = <a class="code" href="scale_8cl.xhtml#a1990e87858b15b8fce3f63965fb9b86c">transform_bilinear</a>(<a class="code" href="warp__helpers_8h.xhtml#a4caaeeb51ea58015267a9974675226d1">get_current_coords</a>(), r);</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160; vstore4(<a class="code" href="warp__helpers_8h.xhtml#a8eda58d341afa44da00ebf47f9349499">bilinear_interpolate_with_border</a>(&amp;in, tc, input_width, input_height, BORDER_SIZE), 0, (__global <a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> *)out.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>);</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</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>
261<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>
262<div class="ttc" id="warp__helpers_8h_xhtml_a8eda58d341afa44da00ebf47f9349499"><div class="ttname"><a href="warp__helpers_8h.xhtml#a8eda58d341afa44da00ebf47f9349499">bilinear_interpolate_with_border</a></div><div class="ttdeci">const DATA_TYPE4 bilinear_interpolate_with_border(const Image *in, const float8 coords, const float width, const float height, const float border_size)</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#l00095">warp_helpers.h:95</a></div></div>
263<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>
264<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>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]265<div class="ttc" id="scale_8cl_xhtml_a1990e87858b15b8fce3f63965fb9b86c"><div class="ttname"><a href="scale_8cl.xhtml#a1990e87858b15b8fce3f63965fb9b86c">transform_bilinear</a></div><div class="ttdeci">const float8 transform_bilinear(const float2 coord, const float2 scale)</div><div class="ttdoc">Transforms four 2D coordinates. </div><div class="ttdef"><b>Definition:</b> <a href="scale_8cl_source.xhtml#l00049">scale.cl:49</a></div></div>
Jenkinsb9abeae2018-11-22 11:58:08 +0000[diff] [blame^]266<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>
267<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>
268<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>
269<div class="ttc" id="warp__helpers_8h_xhtml_a4caaeeb51ea58015267a9974675226d1"><div class="ttname"><a href="warp__helpers_8h.xhtml#a4caaeeb51ea58015267a9974675226d1">get_current_coords</a></div><div class="ttdeci">const float2 get_current_coords()</div><div class="ttdoc">Returns the current thread coordinates. </div><div class="ttdef"><b>Definition:</b> <a href="warp__helpers_8h_source.xhtml#l00068">warp_helpers.h:68</a></div></div>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]270</div><!-- fragment -->
271</div>
272</div>
Jenkinsb9abeae2018-11-22 11:58:08 +0000[diff] [blame^]273<a id="ac0b6964599b54e3488b5ce8e294b67cc"></a>
274<h2 class="memtitle"><span class="permalink"><a href="#ac0b6964599b54e3488b5ce8e294b67cc">&#9670;&nbsp;</a></span>scale_bilinear_nhwc()</h2>
275
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]276<div class="memitem">
277<div class="memproto">
278 <table class="memname">
279 <tr>
Jenkins52ba29e2018-08-29 15:32:11 +0000[diff] [blame]280 <td class="memname">__kernel void scale_bilinear_nhwc </td>
281 <td>(</td>
282 <td class="paramtype">__global uchar *&#160;</td>
283 <td class="paramname"><em>in_ptr</em>, </td>
284 </tr>
285 <tr>
286 <td class="paramkey"></td>
287 <td></td>
288 <td class="paramtype">uint&#160;</td>
289 <td class="paramname"><em>in_stride_x</em>, </td>
290 </tr>
291 <tr>
292 <td class="paramkey"></td>
293 <td></td>
294 <td class="paramtype">uint&#160;</td>
295 <td class="paramname"><em>in_step_x</em>, </td>
296 </tr>
297 <tr>
298 <td class="paramkey"></td>
299 <td></td>
300 <td class="paramtype">uint&#160;</td>
301 <td class="paramname"><em>in_stride_y</em>, </td>
302 </tr>
303 <tr>
304 <td class="paramkey"></td>
305 <td></td>
306 <td class="paramtype">uint&#160;</td>
307 <td class="paramname"><em>in_step_y</em>, </td>
308 </tr>
309 <tr>
310 <td class="paramkey"></td>
311 <td></td>
312 <td class="paramtype">uint&#160;</td>
313 <td class="paramname"><em>in_stride_z</em>, </td>
314 </tr>
315 <tr>
316 <td class="paramkey"></td>
317 <td></td>
318 <td class="paramtype">uint&#160;</td>
319 <td class="paramname"><em>in_step_z</em>, </td>
320 </tr>
321 <tr>
322 <td class="paramkey"></td>
323 <td></td>
324 <td class="paramtype">uint&#160;</td>
325 <td class="paramname"><em>in_offset_first_element_in_bytes</em>, </td>
326 </tr>
327 <tr>
328 <td class="paramkey"></td>
329 <td></td>
330 <td class="paramtype">__global uchar *&#160;</td>
331 <td class="paramname"><em>out_ptr</em>, </td>
332 </tr>
333 <tr>
334 <td class="paramkey"></td>
335 <td></td>
336 <td class="paramtype">uint&#160;</td>
337 <td class="paramname"><em>out_stride_x</em>, </td>
338 </tr>
339 <tr>
340 <td class="paramkey"></td>
341 <td></td>
342 <td class="paramtype">uint&#160;</td>
343 <td class="paramname"><em>out_step_x</em>, </td>
344 </tr>
345 <tr>
346 <td class="paramkey"></td>
347 <td></td>
348 <td class="paramtype">uint&#160;</td>
349 <td class="paramname"><em>out_stride_y</em>, </td>
350 </tr>
351 <tr>
352 <td class="paramkey"></td>
353 <td></td>
354 <td class="paramtype">uint&#160;</td>
355 <td class="paramname"><em>out_step_y</em>, </td>
356 </tr>
357 <tr>
358 <td class="paramkey"></td>
359 <td></td>
360 <td class="paramtype">uint&#160;</td>
361 <td class="paramname"><em>out_stride_z</em>, </td>
362 </tr>
363 <tr>
364 <td class="paramkey"></td>
365 <td></td>
366 <td class="paramtype">uint&#160;</td>
367 <td class="paramname"><em>out_step_z</em>, </td>
368 </tr>
369 <tr>
370 <td class="paramkey"></td>
371 <td></td>
372 <td class="paramtype">uint&#160;</td>
373 <td class="paramname"><em>out_offset_first_element_in_bytes</em>, </td>
374 </tr>
375 <tr>
376 <td class="paramkey"></td>
377 <td></td>
378 <td class="paramtype">const float&#160;</td>
379 <td class="paramname"><em>input_width</em>, </td>
380 </tr>
381 <tr>
382 <td class="paramkey"></td>
383 <td></td>
384 <td class="paramtype">const float&#160;</td>
385 <td class="paramname"><em>input_height</em>, </td>
386 </tr>
387 <tr>
388 <td class="paramkey"></td>
389 <td></td>
390 <td class="paramtype">const float&#160;</td>
391 <td class="paramname"><em>scale_x</em>, </td>
392 </tr>
393 <tr>
394 <td class="paramkey"></td>
395 <td></td>
396 <td class="paramtype">const float&#160;</td>
397 <td class="paramname"><em>scale_y</em>&#160;</td>
398 </tr>
399 <tr>
400 <td></td>
401 <td>)</td>
402 <td></td><td></td>
403 </tr>
404 </table>
405</div><div class="memdoc">
406
407<p>Performs scale on an image interpolating with the BILINEAR method. </p>
408<p>(NHWC)</p>
409<dl class="section note"><dt>Note</dt><dd>Sampling policy to be used is passed as -DSAMPLING_POLICY_(TYPE) e.g. -DSAMPLING_POLICY_TOP_LEFT </dd>
410<dd>
411If border mode replicate is used, is should be passed as -DBORDER_MODE_REPLICATE</dd></dl>
412<dl class="params"><dt>Parameters</dt><dd>
413 <table class="params">
414 <tr><td class="paramdir">[in]</td><td class="paramname">in_ptr</td><td>Pointer to the source image. Supported data types: U8/S16/F16/F32. </td></tr>
415 <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>
416 <tr><td class="paramdir">[in]</td><td class="paramname">in_step_x</td><td>src_stride_x * number of elements along X processed per workitem(in bytes) </td></tr>
417 <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>
418 <tr><td class="paramdir">[in]</td><td class="paramname">in_step_y</td><td>src_stride_y * number of elements along Y processed per workitem(in bytes) </td></tr>
419 <tr><td class="paramdir">[in]</td><td class="paramname">in_stride_z</td><td>Stride of the source image in Z dimension (in bytes) </td></tr>
420 <tr><td class="paramdir">[in]</td><td class="paramname">in_step_z</td><td>src_stride_z * number of elements along Z processed per workitem(in bytes) </td></tr>
421 <tr><td class="paramdir">[in]</td><td class="paramname">in_offset_first_element_in_bytes</td><td>The offset of the first element in the source image </td></tr>
422 <tr><td class="paramdir">[out]</td><td class="paramname">out_ptr</td><td>Pointer to the destination image. Supported data types: same as <code>in_ptr</code> </td></tr>
423 <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>
424 <tr><td class="paramdir">[in]</td><td class="paramname">out_step_x</td><td>dst_stride_x * number of elements along X processed per workitem(in bytes) </td></tr>
425 <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>
426 <tr><td class="paramdir">[in]</td><td class="paramname">out_step_y</td><td>dst_stride_y * number of elements along Y processed per workitem(in bytes) </td></tr>
427 <tr><td class="paramdir">[in]</td><td class="paramname">out_stride_z</td><td>Stride of the destination image in Z dimension (in bytes) </td></tr>
428 <tr><td class="paramdir">[in]</td><td class="paramname">out_step_z</td><td>dst_stride_y * number of elements along Z processed per workitem(in bytes) </td></tr>
429 <tr><td class="paramdir">[in]</td><td class="paramname">out_offset_first_element_in_bytes</td><td>The offset of the first element in the destination image </td></tr>
430 <tr><td class="paramdir">[in]</td><td class="paramname">input_width</td><td>Input image width </td></tr>
431 <tr><td class="paramdir">[in]</td><td class="paramname">input_height</td><td>Input image height </td></tr>
432 <tr><td class="paramdir">[in]</td><td class="paramname">scale_x</td><td>The scale factor along x dimension </td></tr>
433 <tr><td class="paramdir">[in]</td><td class="paramname">scale_y</td><td>The scale factor along y dimension </td></tr>
434 </table>
435 </dd>
436</dl>
437
Jenkinsb9abeae2018-11-22 11:58:08 +0000[diff] [blame^]438<p class="definition">Definition at line <a class="el" href="scale_8cl_source.xhtml#l00207">207</a> of file <a class="el" href="scale_8cl_source.xhtml">scale.cl</a>.</p>
Jenkins52ba29e2018-08-29 15:32:11 +0000[diff] [blame]439
Jenkinsb9abeae2018-11-22 11:58:08 +0000[diff] [blame^]440<p class="reference">References <a class="el" href="validation_2_c_l_2_g_e_m_m_8cpp_source.xhtml#l00102">arm_compute::test::validation::a</a>, <a class="el" href="validation_2_c_l_2_g_e_m_m_8cpp_source.xhtml#l00091">arm_compute::test::validation::b</a>, <a class="el" href="_utility_8h_source.xhtml#l00084">arm_compute::utility::clamp()</a>, <a class="el" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h_source.xhtml#l00060">CONVERT</a>, <a class="el" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h_source.xhtml#l00125">CONVERT_TO_TENSOR3D_STRUCT</a>, <a class="el" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h_source.xhtml#l00129">CONVERT_TO_TENSOR3D_STRUCT_NO_STEP</a>, <a class="el" href="convolution3x3_8cl_source.xhtml#l00027">DATA_TYPE</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#l00159">Tensor3D::ptr</a>, and <a class="el" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h_source.xhtml#l00321">tensor3D_offset()</a>.</p>
441<div class="fragment"><div class="line"><a name="l00214"></a><span class="lineno"> 214</span>&#160;{</div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span>&#160; <a class="code" href="struct_tensor3_d.xhtml">Tensor3D</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#a79e8e562daa6599317d2d1cd86ef1bf2">CONVERT_TO_TENSOR3D_STRUCT_NO_STEP</a>(in);</div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span>&#160; <a class="code" href="struct_tensor3_d.xhtml">Tensor3D</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#a31c8c760f08fb1a331b16b7c204321dc">CONVERT_TO_TENSOR3D_STRUCT</a>(out);</div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span>&#160;</div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span>&#160;<span class="preprocessor">#ifdef SAMPLING_POLICY_TOP_LEFT</span></div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span>&#160; <span class="keyword">const</span> <span class="keywordtype">float</span> new_x = get_global_id(1) * scale_x;</div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span>&#160; <span class="keyword">const</span> <span class="keywordtype">float</span> new_y = get_global_id(2) * scale_y;</div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span>&#160;<span class="preprocessor">#elif SAMPLING_POLICY_CENTER</span></div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span>&#160; <span class="keyword">const</span> <span class="keywordtype">float</span> new_x = (get_global_id(1) + 0.5f) * scale_x - 0.5f;</div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span>&#160; <span class="keyword">const</span> <span class="keywordtype">float</span> new_y = (get_global_id(2) + 0.5f) * scale_y - 0.5f;</div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span>&#160;<span class="preprocessor">#else </span><span class="comment">/* SAMPLING_POLICY */</span><span class="preprocessor"></span></div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span>&#160;<span class="preprocessor">#error(&quot;Unsupported sampling policy&quot;);</span></div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span>&#160;<span class="preprocessor">#endif </span><span class="comment">/* SAMPLING_POLICY */</span><span class="preprocessor"></span></div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span>&#160;</div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span>&#160; <span class="keyword">const</span> <span class="keywordtype">float</span> new_xf = floor(new_x);</div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span>&#160; <span class="keyword">const</span> <span class="keywordtype">float</span> new_yf = floor(new_y);</div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span>&#160; <span class="keywordtype">float</span> clamped_x = <a class="code" href="namespacearm__compute_1_1utility.xhtml#a12c3c62f510452805c289e180ec78bb7">clamp</a>(new_xf, 0.0f, input_width - 1);</div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span>&#160; <span class="keywordtype">float</span> clamped_x1 = <a class="code" href="namespacearm__compute_1_1utility.xhtml#a12c3c62f510452805c289e180ec78bb7">clamp</a>(new_xf + 1, 0.0f, input_width - 1);</div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span>&#160; <span class="keywordtype">float</span> clamped_x_ = clamped_x;</div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span>&#160; <span class="keywordtype">float</span> clamped_x1_ = clamped_x1;</div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span>&#160; <span class="keyword">const</span> <span class="keywordtype">float</span> clamped_y = <a class="code" href="namespacearm__compute_1_1utility.xhtml#a12c3c62f510452805c289e180ec78bb7">clamp</a>(new_yf, 0.0f, input_height - 1);</div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span>&#160; <span class="keyword">const</span> <span class="keywordtype">float</span> clamped_y1 = <a class="code" href="namespacearm__compute_1_1utility.xhtml#a12c3c62f510452805c289e180ec78bb7">clamp</a>(new_yf + 1, 0.0f, input_height - 1);</div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span>&#160;</div><div class="line"><a name="l00237"></a><span class="lineno"> 237</span>&#160;<span class="preprocessor">#ifndef BORDER_MODE_REPLICATE</span></div><div class="line"><a name="l00238"></a><span class="lineno"> 238</span>&#160; clamped_x1 = select(clamped_x1, 0.0f - BORDER_SIZE, new_yf + 1 &lt; 0.f || new_yf + 1 &gt; input_height - 1 || new_xf + 1 &lt; 0.f || new_xf + 1 &gt; input_width - 1);</div><div class="line"><a name="l00239"></a><span class="lineno"> 239</span>&#160; clamped_x_ = select(clamped_x_, 0.0f - BORDER_SIZE, new_yf + 1 &gt; input_height - 1 || new_xf &lt; 0.f || new_xf &gt; input_width - 1);</div><div class="line"><a name="l00240"></a><span class="lineno"> 240</span>&#160; clamped_x = select(clamped_x, 0.0f - BORDER_SIZE, new_yf &lt; 0.f || new_yf &gt; input_height - 1 || new_xf &lt; 0.f || new_xf &gt; input_width - 1);</div><div class="line"><a name="l00241"></a><span class="lineno"> 241</span>&#160; clamped_x1_ = select(clamped_x1_, 0.0f - BORDER_SIZE, new_xf + 1 &lt; 0.f || new_xf + 1 &gt; input_width - 1 || new_yf &lt; 0.f || new_yf &gt; input_height - 1);</div><div class="line"><a name="l00242"></a><span class="lineno"> 242</span>&#160;<span class="preprocessor">#endif </span><span class="comment">/* BORDER_MODE_REPLICATE */</span><span class="preprocessor"></span></div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span>&#160;</div><div class="line"><a name="l00244"></a><span class="lineno"> 244</span>&#160; float4 ins = (float4)(*((__global <a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> *)<a class="code" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#a2101b2fe0193ce227ae4e0945e321d85">tensor3D_offset</a>(&amp;in, get_global_id(0), convert_int(clamped_x), convert_int(clamped_y))),</div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span>&#160; *((__global <a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> *)<a class="code" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#a2101b2fe0193ce227ae4e0945e321d85">tensor3D_offset</a>(&amp;in, get_global_id(0), convert_int(clamped_x1_), convert_int(clamped_y))),</div><div class="line"><a name="l00246"></a><span class="lineno"> 246</span>&#160; *((__global <a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> *)<a class="code" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#a2101b2fe0193ce227ae4e0945e321d85">tensor3D_offset</a>(&amp;in, get_global_id(0), convert_int(clamped_x_), convert_int(clamped_y1))),</div><div class="line"><a name="l00247"></a><span class="lineno"> 247</span>&#160; *((__global <a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> *)<a class="code" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#a2101b2fe0193ce227ae4e0945e321d85">tensor3D_offset</a>(&amp;in, get_global_id(0), convert_int(clamped_x1), convert_int(clamped_y1))));</div><div class="line"><a name="l00248"></a><span class="lineno"> 248</span>&#160;</div><div class="line"><a name="l00249"></a><span class="lineno"> 249</span>&#160; <span class="keyword">const</span> <span class="keywordtype">float</span> <a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#aac40b7097f2bda9274ae07fa33d15a79">a</a> = new_x - new_xf;</div><div class="line"><a name="l00250"></a><span class="lineno"> 250</span>&#160; <span class="keyword">const</span> <span class="keywordtype">float</span> <a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#a7b8004eef325a40dd43eb80755610fff">b</a> = 1.f - <a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#aac40b7097f2bda9274ae07fa33d15a79">a</a>;</div><div class="line"><a name="l00251"></a><span class="lineno"> 251</span>&#160; <span class="keyword">const</span> <span class="keywordtype">float</span> a1 = new_y - new_yf;</div><div class="line"><a name="l00252"></a><span class="lineno"> 252</span>&#160; <span class="keyword">const</span> <span class="keywordtype">float</span> b1 = 1.f - a1;</div><div class="line"><a name="l00253"></a><span class="lineno"> 253</span>&#160; <span class="keyword">const</span> <span class="keywordtype">float</span> fr = ((ins.s0 * b * b1) + (ins.s1 * a * b1) + (ins.s2 * b * a1) + (ins.s3 * a * a1));</div><div class="line"><a name="l00254"></a><span class="lineno"> 254</span>&#160;</div><div class="line"><a name="l00255"></a><span class="lineno"> 255</span>&#160; *((__global <a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> *)out.<a class="code" href="struct_tensor3_d.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>) = <a class="code" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#aa8d95ba04fc73845abc6045952cae5be">CONVERT</a>(fr, <a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a>);</div><div class="line"><a name="l00256"></a><span class="lineno"> 256</span>&#160;}</div><div class="ttc" id="src_2core_2_c_l_2cl__kernels_2_helpers_8h_xhtml_aa8d95ba04fc73845abc6045952cae5be"><div class="ttname"><a href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#aa8d95ba04fc73845abc6045952cae5be">CONVERT</a></div><div class="ttdeci">#define CONVERT(x, type)</div><div class="ttdef"><b>Definition:</b> <a href="src_2core_2_c_l_2cl__kernels_2_helpers_8h_source.xhtml#l00060">helpers.h:60</a></div></div>
Jenkins52ba29e2018-08-29 15:32:11 +0000[diff] [blame]442<div class="ttc" id="namespacearm__compute_1_1test_1_1validation_xhtml_aac40b7097f2bda9274ae07fa33d15a79"><div class="ttname"><a href="namespacearm__compute_1_1test_1_1validation.xhtml#aac40b7097f2bda9274ae07fa33d15a79">arm_compute::test::validation::a</a></div><div class="ttdeci">gemm configure &amp; a</div><div class="ttdef"><b>Definition:</b> <a href="validation_2_c_l_2_g_e_m_m_8cpp_source.xhtml#l00102">GEMM.cpp:102</a></div></div>
443<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>
Jenkinsb9abeae2018-11-22 11:58:08 +0000[diff] [blame^]444<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>
Jenkins52ba29e2018-08-29 15:32:11 +0000[diff] [blame]445<div class="ttc" id="namespacearm__compute_1_1utility_xhtml_a12c3c62f510452805c289e180ec78bb7"><div class="ttname"><a href="namespacearm__compute_1_1utility.xhtml#a12c3c62f510452805c289e180ec78bb7">arm_compute::utility::clamp</a></div><div class="ttdeci">T clamp(const T &amp;n, const T &amp;lower, const T &amp;upper)</div><div class="ttdoc">Performs clamping among a lower and upper value. </div><div class="ttdef"><b>Definition:</b> <a href="_utility_8h_source.xhtml#l00084">Utility.h:84</a></div></div>
Jenkinsb9abeae2018-11-22 11:58:08 +0000[diff] [blame^]446<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="src_2core_2_c_l_2cl__kernels_2_helpers_8h_source.xhtml#l00157">helpers.h:157</a></div></div>
447<div class="ttc" id="src_2core_2_c_l_2cl__kernels_2_helpers_8h_xhtml_a79e8e562daa6599317d2d1cd86ef1bf2"><div class="ttname"><a href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#a79e8e562daa6599317d2d1cd86ef1bf2">CONVERT_TO_TENSOR3D_STRUCT_NO_STEP</a></div><div class="ttdeci">#define CONVERT_TO_TENSOR3D_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#l00129">helpers.h:129</a></div></div>
448<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>
449<div class="ttc" id="src_2core_2_c_l_2cl__kernels_2_helpers_8h_xhtml_a31c8c760f08fb1a331b16b7c204321dc"><div class="ttname"><a href="src_2core_2_c_l_2cl__kernels_2_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="src_2core_2_c_l_2cl__kernels_2_helpers_8h_source.xhtml#l00125">helpers.h:125</a></div></div>
450<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="src_2core_2_c_l_2cl__kernels_2_helpers_8h_source.xhtml#l00159">helpers.h:159</a></div></div>
Jenkins52ba29e2018-08-29 15:32:11 +0000[diff] [blame]451<div class="ttc" id="namespacearm__compute_1_1test_1_1validation_xhtml_a7b8004eef325a40dd43eb80755610fff"><div class="ttname"><a href="namespacearm__compute_1_1test_1_1validation.xhtml#a7b8004eef325a40dd43eb80755610fff">arm_compute::test::validation::b</a></div><div class="ttdeci">CLTensor b</div><div class="ttdef"><b>Definition:</b> <a href="validation_2_c_l_2_g_e_m_m_8cpp_source.xhtml#l00091">GEMM.cpp:91</a></div></div>
Jenkinsb9abeae2018-11-22 11:58:08 +0000[diff] [blame^]452<div class="ttc" id="src_2core_2_c_l_2cl__kernels_2_helpers_8h_xhtml_a2101b2fe0193ce227ae4e0945e321d85"><div class="ttname"><a href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#a2101b2fe0193ce227ae4e0945e321d85">tensor3D_offset</a></div><div class="ttdeci">__global const uchar * tensor3D_offset(const Tensor3D *tensor, int x, int y, int z)</div><div class="ttdoc">Get the pointer position of a Tensor3D. </div><div class="ttdef"><b>Definition:</b> <a href="src_2core_2_c_l_2cl__kernels_2_helpers_8h_source.xhtml#l00321">helpers.h:321</a></div></div>
Jenkins52ba29e2018-08-29 15:32:11 +0000[diff] [blame]453</div><!-- fragment -->
454</div>
455</div>
Jenkinsb9abeae2018-11-22 11:58:08 +0000[diff] [blame^]456<a id="ab0d36306b50e1c7961dfa9337d73ecbb"></a>
457<h2 class="memtitle"><span class="permalink"><a href="#ab0d36306b50e1c7961dfa9337d73ecbb">&#9670;&nbsp;</a></span>scale_nearest_neighbour_nchw()</h2>
458
Jenkins52ba29e2018-08-29 15:32:11 +0000[diff] [blame]459<div class="memitem">
460<div class="memproto">
461 <table class="memname">
462 <tr>
463 <td class="memname">__kernel void scale_nearest_neighbour_nchw </td>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]464 <td>(</td>
465 <td class="paramtype">__global uchar *&#160;</td>
466 <td class="paramname"><em>in_ptr</em>, </td>
467 </tr>
468 <tr>
469 <td class="paramkey"></td>
470 <td></td>
471 <td class="paramtype">uint&#160;</td>
472 <td class="paramname"><em>in_stride_x</em>, </td>
473 </tr>
474 <tr>
475 <td class="paramkey"></td>
476 <td></td>
477 <td class="paramtype">uint&#160;</td>
478 <td class="paramname"><em>in_step_x</em>, </td>
479 </tr>
480 <tr>
481 <td class="paramkey"></td>
482 <td></td>
483 <td class="paramtype">uint&#160;</td>
484 <td class="paramname"><em>in_stride_y</em>, </td>
485 </tr>
486 <tr>
487 <td class="paramkey"></td>
488 <td></td>
489 <td class="paramtype">uint&#160;</td>
490 <td class="paramname"><em>in_step_y</em>, </td>
491 </tr>
492 <tr>
493 <td class="paramkey"></td>
494 <td></td>
495 <td class="paramtype">uint&#160;</td>
496 <td class="paramname"><em>in_offset_first_element_in_bytes</em>, </td>
497 </tr>
498 <tr>
499 <td class="paramkey"></td>
500 <td></td>
501 <td class="paramtype">__global uchar *&#160;</td>
502 <td class="paramname"><em>out_ptr</em>, </td>
503 </tr>
504 <tr>
505 <td class="paramkey"></td>
506 <td></td>
507 <td class="paramtype">uint&#160;</td>
508 <td class="paramname"><em>out_stride_x</em>, </td>
509 </tr>
510 <tr>
511 <td class="paramkey"></td>
512 <td></td>
513 <td class="paramtype">uint&#160;</td>
514 <td class="paramname"><em>out_step_x</em>, </td>
515 </tr>
516 <tr>
517 <td class="paramkey"></td>
518 <td></td>
519 <td class="paramtype">uint&#160;</td>
520 <td class="paramname"><em>out_stride_y</em>, </td>
521 </tr>
522 <tr>
523 <td class="paramkey"></td>
524 <td></td>
525 <td class="paramtype">uint&#160;</td>
526 <td class="paramname"><em>out_step_y</em>, </td>
527 </tr>
528 <tr>
529 <td class="paramkey"></td>
530 <td></td>
531 <td class="paramtype">uint&#160;</td>
532 <td class="paramname"><em>out_offset_first_element_in_bytes</em>, </td>
533 </tr>
534 <tr>
535 <td class="paramkey"></td>
536 <td></td>
537 <td class="paramtype">const float&#160;</td>
538 <td class="paramname"><em>input_width</em>, </td>
539 </tr>
540 <tr>
541 <td class="paramkey"></td>
542 <td></td>
543 <td class="paramtype">const float&#160;</td>
544 <td class="paramname"><em>input_height</em>, </td>
545 </tr>
546 <tr>
547 <td class="paramkey"></td>
548 <td></td>
549 <td class="paramtype">const float&#160;</td>
Kaizen8938bd32017-09-28 14:38:23 +0100[diff] [blame]550 <td class="paramname"><em>scale_x</em>, </td>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]551 </tr>
552 <tr>
553 <td class="paramkey"></td>
554 <td></td>
555 <td class="paramtype">const float&#160;</td>
Kaizen8938bd32017-09-28 14:38:23 +0100[diff] [blame]556 <td class="paramname"><em>scale_y</em>&#160;</td>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]557 </tr>
558 <tr>
559 <td></td>
560 <td>)</td>
561 <td></td><td></td>
562 </tr>
563 </table>
564</div><div class="memdoc">
565
566<p>Performs an affine transformation on an image interpolating with the NEAREAST NEIGHBOUR method. </p>
567<p>Input and output are single channel U8 or S16.</p>
Anthony Barbier8140e1e2017-12-14 23:48:46 +0000[diff] [blame]568<dl class="section note"><dt>Note</dt><dd>Sampling policy to used is passed as -DSAMPLING_POLICY_(TYPE) e.g. -DSAMPLING_POLICY_TOP_LEFT</dd></dl>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]569<dl class="params"><dt>Parameters</dt><dd>
570 <table class="params">
571 <tr><td class="paramdir">[in]</td><td class="paramname">in_ptr</td><td>Pointer to the source image. Supported data types: U8, S16. </td></tr>
572 <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>
573 <tr><td class="paramdir">[in]</td><td class="paramname">in_step_x</td><td>src_stride_x * number of elements along X processed per workitem(in bytes) </td></tr>
574 <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>
575 <tr><td class="paramdir">[in]</td><td class="paramname">in_step_y</td><td>src_stride_y * number of elements along Y processed per workitem(in bytes) </td></tr>
576 <tr><td class="paramdir">[in]</td><td class="paramname">in_offset_first_element_in_bytes</td><td>The offset of the first element in the source image </td></tr>
577 <tr><td class="paramdir">[out]</td><td class="paramname">out_ptr</td><td>Pointer to the destination image. Supported data types: U8, S16. (Must be the same as the input) </td></tr>
578 <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>
579 <tr><td class="paramdir">[in]</td><td class="paramname">out_step_x</td><td>dst_stride_x * number of elements along X processed per workitem(in bytes) </td></tr>
580 <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>
581 <tr><td class="paramdir">[in]</td><td class="paramname">out_step_y</td><td>dst_stride_y * number of elements along Y processed per workitem(in bytes) </td></tr>
582 <tr><td class="paramdir">[in]</td><td class="paramname">out_offset_first_element_in_bytes</td><td>The offset of the first element in the destination image </td></tr>
583 <tr><td class="paramdir">[in]</td><td class="paramname">input_width</td><td>Input image width </td></tr>
584 <tr><td class="paramdir">[in]</td><td class="paramname">input_height</td><td>Input image height </td></tr>
Kaizen8938bd32017-09-28 14:38:23 +0100[diff] [blame]585 <tr><td class="paramdir">[in]</td><td class="paramname">scale_x</td><td>The scale factor along x dimension </td></tr>
586 <tr><td class="paramdir">[in]</td><td class="paramname">scale_y</td><td>The scale factor along y dimension </td></tr>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]587 </table>
588 </dd>
589</dl>
590
Jenkinsb9abeae2018-11-22 11:58:08 +0000[diff] [blame^]591<p class="definition">Definition at line <a class="el" href="scale_8cl_source.xhtml#l00086">86</a> of file <a class="el" href="scale_8cl_source.xhtml">scale.cl</a>.</p>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]592
Jenkinsb9abeae2018-11-22 11:58:08 +0000[diff] [blame^]593<p class="reference">References <a class="el" href="warp__helpers_8h_source.xhtml#l00034">clamp_to_border_with_size()</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="convolution3x3_8cl_source.xhtml#l00027">DATA_TYPE</a>, <a class="el" href="warp__helpers_8h_source.xhtml#l00068">get_current_coords()</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>, <a class="el" href="warp__helpers_8h_source.xhtml#l00059">read_texels4()</a>, and <a class="el" href="scale_8cl_source.xhtml#l00034">transform_nearest()</a>.</p>
594<div class="fragment"><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; <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="l00095"></a><span class="lineno"> 95</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="l00096"></a><span class="lineno"> 96</span>&#160; <span class="keyword">const</span> float2 r = (float2)(scale_x, scale_y);</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160; <span class="keyword">const</span> float8 tc = <a class="code" href="warp__helpers_8h.xhtml#aaef9851523cbc6f833700f0eb572002b">clamp_to_border_with_size</a>(<a class="code" href="scale_8cl.xhtml#a55c710b814464d9b8982c4eb6ca04dee">transform_nearest</a>(<a class="code" href="warp__helpers_8h.xhtml#a4caaeeb51ea58015267a9974675226d1">get_current_coords</a>(), r), input_width, input_height, BORDER_SIZE);</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160; vstore4(<a class="code" href="warp__helpers_8h.xhtml#aba42442a4c991cdbb52727fa370676f1">read_texels4</a>(&amp;in, convert_int8(tc)), 0, (__global <a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> *)out.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>);</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</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>
595<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>
596<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>
597<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>
598<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>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]599<div class="ttc" id="scale_8cl_xhtml_a55c710b814464d9b8982c4eb6ca04dee"><div class="ttname"><a href="scale_8cl.xhtml#a55c710b814464d9b8982c4eb6ca04dee">transform_nearest</a></div><div class="ttdeci">const float8 transform_nearest(const float2 coord, const float2 scale)</div><div class="ttdoc">Transforms four 2D coordinates. </div><div class="ttdef"><b>Definition:</b> <a href="scale_8cl_source.xhtml#l00034">scale.cl:34</a></div></div>
Jenkinsb9abeae2018-11-22 11:58:08 +0000[diff] [blame^]600<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>
601<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>
602<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 Barbier8140e1e2017-12-14 23:48:46 +0000[diff] [blame]603<div class="ttc" id="warp__helpers_8h_xhtml_aaef9851523cbc6f833700f0eb572002b"><div class="ttname"><a href="warp__helpers_8h.xhtml#aaef9851523cbc6f833700f0eb572002b">clamp_to_border_with_size</a></div><div class="ttdeci">const float8 clamp_to_border_with_size(float8 coords, const float width, const float height, const float border_size)</div><div class="ttdoc">Clamps the given coordinates to the borders according to the border size. </div><div class="ttdef"><b>Definition:</b> <a href="warp__helpers_8h_source.xhtml#l00034">warp_helpers.h:34</a></div></div>
Jenkinsb9abeae2018-11-22 11:58:08 +0000[diff] [blame^]604<div class="ttc" id="warp__helpers_8h_xhtml_a4caaeeb51ea58015267a9974675226d1"><div class="ttname"><a href="warp__helpers_8h.xhtml#a4caaeeb51ea58015267a9974675226d1">get_current_coords</a></div><div class="ttdeci">const float2 get_current_coords()</div><div class="ttdoc">Returns the current thread coordinates. </div><div class="ttdef"><b>Definition:</b> <a href="warp__helpers_8h_source.xhtml#l00068">warp_helpers.h:68</a></div></div>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]605</div><!-- fragment -->
606</div>
607</div>
Jenkinsb9abeae2018-11-22 11:58:08 +0000[diff] [blame^]608<a id="a2216ff8602b48932fb95cdc3d02c8bba"></a>
609<h2 class="memtitle"><span class="permalink"><a href="#a2216ff8602b48932fb95cdc3d02c8bba">&#9670;&nbsp;</a></span>scale_nearest_neighbour_nhwc()</h2>
610
Jenkins52ba29e2018-08-29 15:32:11 +0000[diff] [blame]611<div class="memitem">
612<div class="memproto">
613 <table class="memname">
614 <tr>
615 <td class="memname">__kernel void scale_nearest_neighbour_nhwc </td>
616 <td>(</td>
617 <td class="paramtype">__global uchar *&#160;</td>
618 <td class="paramname"><em>in_ptr</em>, </td>
619 </tr>
620 <tr>
621 <td class="paramkey"></td>
622 <td></td>
623 <td class="paramtype">uint&#160;</td>
624 <td class="paramname"><em>in_stride_x</em>, </td>
625 </tr>
626 <tr>
627 <td class="paramkey"></td>
628 <td></td>
629 <td class="paramtype">uint&#160;</td>
630 <td class="paramname"><em>in_step_x</em>, </td>
631 </tr>
632 <tr>
633 <td class="paramkey"></td>
634 <td></td>
635 <td class="paramtype">uint&#160;</td>
636 <td class="paramname"><em>in_stride_y</em>, </td>
637 </tr>
638 <tr>
639 <td class="paramkey"></td>
640 <td></td>
641 <td class="paramtype">uint&#160;</td>
642 <td class="paramname"><em>in_step_y</em>, </td>
643 </tr>
644 <tr>
645 <td class="paramkey"></td>
646 <td></td>
647 <td class="paramtype">uint&#160;</td>
648 <td class="paramname"><em>in_stride_z</em>, </td>
649 </tr>
650 <tr>
651 <td class="paramkey"></td>
652 <td></td>
653 <td class="paramtype">uint&#160;</td>
654 <td class="paramname"><em>in_step_z</em>, </td>
655 </tr>
656 <tr>
657 <td class="paramkey"></td>
658 <td></td>
659 <td class="paramtype">uint&#160;</td>
660 <td class="paramname"><em>in_offset_first_element_in_bytes</em>, </td>
661 </tr>
662 <tr>
663 <td class="paramkey"></td>
664 <td></td>
665 <td class="paramtype">__global uchar *&#160;</td>
666 <td class="paramname"><em>out_ptr</em>, </td>
667 </tr>
668 <tr>
669 <td class="paramkey"></td>
670 <td></td>
671 <td class="paramtype">uint&#160;</td>
672 <td class="paramname"><em>out_stride_x</em>, </td>
673 </tr>
674 <tr>
675 <td class="paramkey"></td>
676 <td></td>
677 <td class="paramtype">uint&#160;</td>
678 <td class="paramname"><em>out_step_x</em>, </td>
679 </tr>
680 <tr>
681 <td class="paramkey"></td>
682 <td></td>
683 <td class="paramtype">uint&#160;</td>
684 <td class="paramname"><em>out_stride_y</em>, </td>
685 </tr>
686 <tr>
687 <td class="paramkey"></td>
688 <td></td>
689 <td class="paramtype">uint&#160;</td>
690 <td class="paramname"><em>out_step_y</em>, </td>
691 </tr>
692 <tr>
693 <td class="paramkey"></td>
694 <td></td>
695 <td class="paramtype">uint&#160;</td>
696 <td class="paramname"><em>out_stride_z</em>, </td>
697 </tr>
698 <tr>
699 <td class="paramkey"></td>
700 <td></td>
701 <td class="paramtype">uint&#160;</td>
702 <td class="paramname"><em>out_step_z</em>, </td>
703 </tr>
704 <tr>
705 <td class="paramkey"></td>
706 <td></td>
707 <td class="paramtype">uint&#160;</td>
708 <td class="paramname"><em>out_offset_first_element_in_bytes</em>, </td>
709 </tr>
710 <tr>
711 <td class="paramkey"></td>
712 <td></td>
713 <td class="paramtype">const float&#160;</td>
714 <td class="paramname"><em>input_width</em>, </td>
715 </tr>
716 <tr>
717 <td class="paramkey"></td>
718 <td></td>
719 <td class="paramtype">const float&#160;</td>
720 <td class="paramname"><em>input_height</em>, </td>
721 </tr>
722 <tr>
723 <td class="paramkey"></td>
724 <td></td>
725 <td class="paramtype">const float&#160;</td>
726 <td class="paramname"><em>scale_x</em>, </td>
727 </tr>
728 <tr>
729 <td class="paramkey"></td>
730 <td></td>
731 <td class="paramtype">const float&#160;</td>
732 <td class="paramname"><em>scale_y</em>&#160;</td>
733 </tr>
734 <tr>
735 <td></td>
736 <td>)</td>
737 <td></td><td></td>
738 </tr>
739 </table>
740</div><div class="memdoc">
741
742<p>Performs scale on an image interpolating with the NEAREAST NEIGHBOUR method. </p>
743<p>Input and output are single channel F32. (NHWC)</p>
744<dl class="section note"><dt>Note</dt><dd>Sampling policy to used is passed as -DSAMPLING_POLICY_(TYPE) e.g. -DSAMPLING_POLICY_TOP_LEFT</dd></dl>
745<dl class="params"><dt>Parameters</dt><dd>
746 <table class="params">
747 <tr><td class="paramdir">[in]</td><td class="paramname">in_ptr</td><td>Pointer to the source image. Supported data types: U8/S16/F16/F32. </td></tr>
748 <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>
749 <tr><td class="paramdir">[in]</td><td class="paramname">in_step_x</td><td>src_stride_x * number of elements along X processed per workitem(in bytes) </td></tr>
750 <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>
751 <tr><td class="paramdir">[in]</td><td class="paramname">in_step_y</td><td>src_stride_y * number of elements along Y processed per workitem(in bytes) </td></tr>
752 <tr><td class="paramdir">[in]</td><td class="paramname">in_stride_z</td><td>Stride of the source image in Z dimension (in bytes) </td></tr>
753 <tr><td class="paramdir">[in]</td><td class="paramname">in_step_z</td><td>src_stride_z * number of elements along Z processed per workitem(in bytes) </td></tr>
754 <tr><td class="paramdir">[in]</td><td class="paramname">in_offset_first_element_in_bytes</td><td>The offset of the first element in the source image </td></tr>
755 <tr><td class="paramdir">[out]</td><td class="paramname">out_ptr</td><td>Pointer to the destination image. Supported data types: same as <code>in_ptr</code> </td></tr>
756 <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>
757 <tr><td class="paramdir">[in]</td><td class="paramname">out_step_x</td><td>dst_stride_x * number of elements along X processed per workitem(in bytes) </td></tr>
758 <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>
759 <tr><td class="paramdir">[in]</td><td class="paramname">out_step_y</td><td>dst_stride_y * number of elements along Y processed per workitem(in bytes) </td></tr>
760 <tr><td class="paramdir">[in]</td><td class="paramname">out_stride_z</td><td>Stride of the destination image in Z dimension (in bytes) </td></tr>
761 <tr><td class="paramdir">[in]</td><td class="paramname">out_step_z</td><td>dst_stride_z * number of elements along Z processed per workitem(in bytes) </td></tr>
762 <tr><td class="paramdir">[in]</td><td class="paramname">out_offset_first_element_in_bytes</td><td>The offset of the first element in the destination image </td></tr>
763 <tr><td class="paramdir">[in]</td><td class="paramname">input_width</td><td>Input image width </td></tr>
764 <tr><td class="paramdir">[in]</td><td class="paramname">input_height</td><td>Input image height </td></tr>
765 <tr><td class="paramdir">[in]</td><td class="paramname">scale_x</td><td>The scale factor along x dimension </td></tr>
766 <tr><td class="paramdir">[in]</td><td class="paramname">scale_y</td><td>The scale factor along y dimension </td></tr>
767 </table>
768 </dd>
769</dl>
770
Jenkinsb9abeae2018-11-22 11:58:08 +0000[diff] [blame^]771<p class="definition">Definition at line <a class="el" href="scale_8cl_source.xhtml#l00162">162</a> of file <a class="el" href="scale_8cl_source.xhtml">scale.cl</a>.</p>
Jenkins52ba29e2018-08-29 15:32:11 +0000[diff] [blame]772
Jenkinsb9abeae2018-11-22 11:58:08 +0000[diff] [blame^]773<p class="reference">References <a class="el" href="_utility_8h_source.xhtml#l00084">arm_compute::utility::clamp()</a>, <a class="el" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h_source.xhtml#l00125">CONVERT_TO_TENSOR3D_STRUCT</a>, <a class="el" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h_source.xhtml#l00129">CONVERT_TO_TENSOR3D_STRUCT_NO_STEP</a>, <a class="el" href="convolution3x3_8cl_source.xhtml#l00027">DATA_TYPE</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#l00159">Tensor3D::ptr</a>, and <a class="el" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h_source.xhtml#l00321">tensor3D_offset()</a>.</p>
774<div class="fragment"><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>&#160;{</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>&#160; <a class="code" href="struct_tensor3_d.xhtml">Tensor3D</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#a79e8e562daa6599317d2d1cd86ef1bf2">CONVERT_TO_TENSOR3D_STRUCT_NO_STEP</a>(in);</div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>&#160; <a class="code" href="struct_tensor3_d.xhtml">Tensor3D</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#a31c8c760f08fb1a331b16b7c204321dc">CONVERT_TO_TENSOR3D_STRUCT</a>(out);</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span>&#160;</div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span>&#160; <span class="keyword">const</span> <span class="keywordtype">float</span> new_x = (get_global_id(1) + 0.5f) * scale_x;</div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span>&#160; <span class="keyword">const</span> <span class="keywordtype">float</span> new_y = (get_global_id(2) + 0.5f) * scale_y;</div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span>&#160; <span class="keyword">const</span> <span class="keywordtype">float</span> clamped_x = <a class="code" href="namespacearm__compute_1_1utility.xhtml#a12c3c62f510452805c289e180ec78bb7">clamp</a>(new_x, 0.0f, input_width - 1);</div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span>&#160; <span class="keyword">const</span> <span class="keywordtype">float</span> clamped_y = <a class="code" href="namespacearm__compute_1_1utility.xhtml#a12c3c62f510452805c289e180ec78bb7">clamp</a>(new_y, 0.0f, input_height - 1);</div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span>&#160;</div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span>&#160; *((__global <a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> *)out.<a class="code" href="struct_tensor3_d.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>) = *((__global <a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> *)<a class="code" href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#a2101b2fe0193ce227ae4e0945e321d85">tensor3D_offset</a>(&amp;in, get_global_id(0), convert_int(clamped_x), convert_int(clamped_y)));</div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span>&#160;}</div><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>
775<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>
Jenkins52ba29e2018-08-29 15:32:11 +0000[diff] [blame]776<div class="ttc" id="namespacearm__compute_1_1utility_xhtml_a12c3c62f510452805c289e180ec78bb7"><div class="ttname"><a href="namespacearm__compute_1_1utility.xhtml#a12c3c62f510452805c289e180ec78bb7">arm_compute::utility::clamp</a></div><div class="ttdeci">T clamp(const T &amp;n, const T &amp;lower, const T &amp;upper)</div><div class="ttdoc">Performs clamping among a lower and upper value. </div><div class="ttdef"><b>Definition:</b> <a href="_utility_8h_source.xhtml#l00084">Utility.h:84</a></div></div>
Jenkinsb9abeae2018-11-22 11:58:08 +0000[diff] [blame^]777<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="src_2core_2_c_l_2cl__kernels_2_helpers_8h_source.xhtml#l00157">helpers.h:157</a></div></div>
778<div class="ttc" id="src_2core_2_c_l_2cl__kernels_2_helpers_8h_xhtml_a79e8e562daa6599317d2d1cd86ef1bf2"><div class="ttname"><a href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#a79e8e562daa6599317d2d1cd86ef1bf2">CONVERT_TO_TENSOR3D_STRUCT_NO_STEP</a></div><div class="ttdeci">#define CONVERT_TO_TENSOR3D_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#l00129">helpers.h:129</a></div></div>
779<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>
780<div class="ttc" id="src_2core_2_c_l_2cl__kernels_2_helpers_8h_xhtml_a31c8c760f08fb1a331b16b7c204321dc"><div class="ttname"><a href="src_2core_2_c_l_2cl__kernels_2_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="src_2core_2_c_l_2cl__kernels_2_helpers_8h_source.xhtml#l00125">helpers.h:125</a></div></div>
781<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="src_2core_2_c_l_2cl__kernels_2_helpers_8h_source.xhtml#l00159">helpers.h:159</a></div></div>
782<div class="ttc" id="src_2core_2_c_l_2cl__kernels_2_helpers_8h_xhtml_a2101b2fe0193ce227ae4e0945e321d85"><div class="ttname"><a href="src_2core_2_c_l_2cl__kernels_2_helpers_8h.xhtml#a2101b2fe0193ce227ae4e0945e321d85">tensor3D_offset</a></div><div class="ttdeci">__global const uchar * tensor3D_offset(const Tensor3D *tensor, int x, int y, int z)</div><div class="ttdoc">Get the pointer position of a Tensor3D. </div><div class="ttdef"><b>Definition:</b> <a href="src_2core_2_c_l_2cl__kernels_2_helpers_8h_source.xhtml#l00321">helpers.h:321</a></div></div>
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784</div>
785</div>
Jenkinsb9abeae2018-11-22 11:58:08 +0000[diff] [blame^]786<a id="a1990e87858b15b8fce3f63965fb9b86c"></a>
787<h2 class="memtitle"><span class="permalink"><a href="#a1990e87858b15b8fce3f63965fb9b86c">&#9670;&nbsp;</a></span>transform_bilinear()</h2>
788
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]789<div class="memitem">
790<div class="memproto">
791<table class="mlabels">
792 <tr>
793 <td class="mlabels-left">
794 <table class="memname">
795 <tr>
796 <td class="memname">const float8 transform_bilinear </td>
797 <td>(</td>
798 <td class="paramtype">const float2&#160;</td>
799 <td class="paramname"><em>coord</em>, </td>
800 </tr>
801 <tr>
802 <td class="paramkey"></td>
803 <td></td>
804 <td class="paramtype">const float2&#160;</td>
805 <td class="paramname"><em>scale</em>&#160;</td>
806 </tr>
807 <tr>
808 <td></td>
809 <td>)</td>
810 <td></td><td></td>
811 </tr>
812 </table>
813 </td>
814 <td class="mlabels-right">
815<span class="mlabels"><span class="mlabel">inline</span></span> </td>
816 </tr>
817</table>
818</div><div class="memdoc">
819
820<p>Transforms four 2D coordinates. </p>
821<p>This is used to map the output coordinates to the input coordinates.</p>
822<dl class="params"><dt>Parameters</dt><dd>
823 <table class="params">
824 <tr><td class="paramdir">[in]</td><td class="paramname">coord</td><td>2D coordinates to transform. </td></tr>
825 <tr><td class="paramdir">[in]</td><td class="paramname">scale</td><td>input/output scale ratio</td></tr>
826 </table>
827 </dd>
828</dl>
829<dl class="section return"><dt>Returns</dt><dd>a float8 containing 4 2D transformed values in the input image. </dd></dl>
830
Jenkinsb9abeae2018-11-22 11:58:08 +0000[diff] [blame^]831<p class="definition">Definition at line <a class="el" href="scale_8cl_source.xhtml#l00049">49</a> of file <a class="el" href="scale_8cl_source.xhtml">scale.cl</a>.</p>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]832
Jenkinsb9abeae2018-11-22 11:58:08 +0000[diff] [blame^]833<p class="reference">Referenced by <a class="el" href="scale_8cl_source.xhtml#l00122">scale_bilinear_nchw()</a>.</p>
Jenkins52ba29e2018-08-29 15:32:11 +0000[diff] [blame]834<div class="fragment"><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160;{</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160; <span class="keyword">const</span> float4 in_x_coords = (float4)(coord.s0, 1 + coord.s0, 2 + coord.s0, 3 + coord.s0);</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160;<span class="preprocessor">#ifdef SAMPLING_POLICY_TOP_LEFT</span></div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160; <span class="keyword">const</span> float4 new_x = in_x_coords * (float4)(<a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#acec6d8ad52a28972fa74e071c1a63b6a">scale</a>.s0);</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160; <span class="keyword">const</span> float4 new_y = (float4)(coord.s1 * <a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#acec6d8ad52a28972fa74e071c1a63b6a">scale</a>.s1);</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160; <span class="keywordflow">return</span> (float8)(new_x.s0, new_y.s0, new_x.s1, new_y.s1, new_x.s2, new_y.s2, new_x.s3, new_y.s3);</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160;<span class="preprocessor">#elif SAMPLING_POLICY_CENTER</span></div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160; <span class="keyword">const</span> float4 new_x = (in_x_coords + ((float4)(0.5f))) * (float4)(<a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#acec6d8ad52a28972fa74e071c1a63b6a">scale</a>.s0) - (float4)(0.5f);</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160; <span class="keyword">const</span> float4 new_y = (float4)((coord.s1 + 0.5f) * <a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#acec6d8ad52a28972fa74e071c1a63b6a">scale</a>.s1 - 0.5f);</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; <span class="keywordflow">return</span> (float8)(new_x.s0, new_y.s0, new_x.s1, new_y.s1, new_x.s2, new_y.s2, new_x.s3, new_y.s3);</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160;<span class="preprocessor">#else </span><span class="comment">/* SAMPLING_POLICY */</span><span class="preprocessor"></span></div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160;<span class="preprocessor">#error(&quot;Unsupported sampling policy&quot;);</span></div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160;<span class="preprocessor">#endif </span><span class="comment">/* SAMPLING_POLICY */</span><span class="preprocessor"></span></div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160;}</div><div class="ttc" id="namespacearm__compute_1_1test_1_1validation_xhtml_acec6d8ad52a28972fa74e071c1a63b6a"><div class="ttname"><a href="namespacearm__compute_1_1test_1_1validation.xhtml#acec6d8ad52a28972fa74e071c1a63b6a">arm_compute::test::validation::scale</a></div><div class="ttdeci">scale</div><div class="ttdef"><b>Definition:</b> <a href="_n_e_o_n_2_pixel_wise_multiplication_8cpp_source.xhtml#l00168">PixelWiseMultiplication.cpp:168</a></div></div>
Kaizen8938bd32017-09-28 14:38:23 +0100[diff] [blame]835</div><!-- fragment -->
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]836</div>
837</div>
Jenkinsb9abeae2018-11-22 11:58:08 +0000[diff] [blame^]838<a id="a55c710b814464d9b8982c4eb6ca04dee"></a>
839<h2 class="memtitle"><span class="permalink"><a href="#a55c710b814464d9b8982c4eb6ca04dee">&#9670;&nbsp;</a></span>transform_nearest()</h2>
840
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]841<div class="memitem">
842<div class="memproto">
843<table class="mlabels">
844 <tr>
845 <td class="mlabels-left">
846 <table class="memname">
847 <tr>
848 <td class="memname">const float8 transform_nearest </td>
849 <td>(</td>
850 <td class="paramtype">const float2&#160;</td>
851 <td class="paramname"><em>coord</em>, </td>
852 </tr>
853 <tr>
854 <td class="paramkey"></td>
855 <td></td>
856 <td class="paramtype">const float2&#160;</td>
857 <td class="paramname"><em>scale</em>&#160;</td>
858 </tr>
859 <tr>
860 <td></td>
861 <td>)</td>
862 <td></td><td></td>
863 </tr>
864 </table>
865 </td>
866 <td class="mlabels-right">
867<span class="mlabels"><span class="mlabel">inline</span></span> </td>
868 </tr>
869</table>
870</div><div class="memdoc">
871
872<p>Transforms four 2D coordinates. </p>
873<p>This is used to map the output coordinates to the input coordinates.</p>
874<dl class="params"><dt>Parameters</dt><dd>
875 <table class="params">
876 <tr><td class="paramdir">[in]</td><td class="paramname">coord</td><td>2D coordinates to transform. </td></tr>
877 <tr><td class="paramdir">[in]</td><td class="paramname">scale</td><td>input/output scale ratio</td></tr>
878 </table>
879 </dd>
880</dl>
881<dl class="section return"><dt>Returns</dt><dd>a float8 containing 4 2D transformed values in the input image. </dd></dl>
882
Jenkinsb9abeae2018-11-22 11:58:08 +0000[diff] [blame^]883<p class="definition">Definition at line <a class="el" href="scale_8cl_source.xhtml#l00034">34</a> of file <a class="el" href="scale_8cl_source.xhtml">scale.cl</a>.</p>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]884
Jenkinsb9abeae2018-11-22 11:58:08 +0000[diff] [blame^]885<p class="reference">Referenced by <a class="el" href="scale_8cl_source.xhtml#l00086">scale_nearest_neighbour_nchw()</a>.</p>
Jenkins52ba29e2018-08-29 15:32:11 +0000[diff] [blame]886<div class="fragment"><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160;{</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160; <span class="keyword">const</span> float4 in_x_coords = (float4)(coord.s0, 1 + coord.s0, 2 + coord.s0, 3 + coord.s0);</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160; <span class="keyword">const</span> float4 new_x = (in_x_coords + ((float4)(0.5f))) * (float4)(<a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#acec6d8ad52a28972fa74e071c1a63b6a">scale</a>.s0);</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160; <span class="keyword">const</span> float4 new_y = (float4)((coord.s1 + 0.5f) * <a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#acec6d8ad52a28972fa74e071c1a63b6a">scale</a>.s1);</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160; <span class="keywordflow">return</span> (float8)(new_x.s0, new_y.s0, new_x.s1, new_y.s1, new_x.s2, new_y.s2, new_x.s3, new_y.s3);</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160;}</div><div class="ttc" id="namespacearm__compute_1_1test_1_1validation_xhtml_acec6d8ad52a28972fa74e071c1a63b6a"><div class="ttname"><a href="namespacearm__compute_1_1test_1_1validation.xhtml#acec6d8ad52a28972fa74e071c1a63b6a">arm_compute::test::validation::scale</a></div><div class="ttdeci">scale</div><div class="ttdef"><b>Definition:</b> <a href="_n_e_o_n_2_pixel_wise_multiplication_8cpp_source.xhtml#l00168">PixelWiseMultiplication.cpp:168</a></div></div>
Kaizen8938bd32017-09-28 14:38:23 +0100[diff] [blame]887</div><!-- fragment -->
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]888</div>
889</div>
890</div><!-- contents -->
891</div><!-- doc-content -->
892<!-- start footer part -->
893<div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
894 <ul>
Anthony Barbier8140e1e2017-12-14 23:48:46 +0000[diff] [blame]895 <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="scale_8cl.xhtml">scale.cl</a></li>
Jenkinsb9abeae2018-11-22 11:58:08 +0000[diff] [blame^]896 <li class="footer">Generated on Thu Nov 22 2018 11:57:43 for Compute Library by
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]897 <a href="http://www.doxygen.org/index.html">
Jenkinsb9abeae2018-11-22 11:58:08 +0000[diff] [blame^]898 <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.13 </li>
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