arm_compute v17.04
[platform/upstream/armcl.git] / documentation / gaussian__pyramid_8cl.xhtml
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42    <div id="projectname">ARM Compute Library
43    &#160;<span id="projectnumber">17.04</span>
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114 <div class="header">
115   <div class="summary">
116 <a href="#func-members">Functions</a>  </div>
117   <div class="headertitle">
118 <div class="title">gaussian_pyramid.cl File Reference</div>  </div>
119 </div><!--header-->
120 <div class="contents">
121 <div class="textblock"><code>#include &quot;<a class="el" href="helpers_8h_source.xhtml">helpers.h</a>&quot;</code><br />
122 </div>
123 <p><a href="gaussian__pyramid_8cl_source.xhtml">Go to the source code of this file.</a></p>
124 <table class="memberdecls">
125 <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
126 Functions</h2></td></tr>
127 <tr class="memitem:ae8b283818e0ddb9edf271668d2682dc3"><td class="memItemLeft" align="right" valign="top">__kernel void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="gaussian__pyramid_8cl.xhtml#ae8b283818e0ddb9edf271668d2682dc3">gaussian1x5_sub_x</a> (__global uchar *src_ptr, uint src_stride_x, uint src_step_x, uint src_stride_y, uint src_step_y, uint src_offset_first_element_in_bytes, __global uchar *dst_ptr, uint dst_stride_x, uint dst_step_x, uint dst_stride_y, uint dst_step_y, uint dst_offset_first_element_in_bytes)</td></tr>
128 <tr class="memdesc:ae8b283818e0ddb9edf271668d2682dc3"><td class="mdescLeft">&#160;</td><td class="mdescRight">Computes the Gaussian Filter 1x5 + sub-sampling along the X direction.  <a href="#ae8b283818e0ddb9edf271668d2682dc3">More...</a><br /></td></tr>
129 <tr class="separator:ae8b283818e0ddb9edf271668d2682dc3"><td class="memSeparator" colspan="2">&#160;</td></tr>
130 <tr class="memitem:afa433ed067b24c37933229beb846b34b"><td class="memItemLeft" align="right" valign="top">__kernel void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="gaussian__pyramid_8cl.xhtml#afa433ed067b24c37933229beb846b34b">gaussian5x1_sub_y</a> (__global uchar *src_ptr, uint src_stride_x, uint src_step_x, uint src_stride_y, uint src_step_y, uint src_offset_first_element_in_bytes, __global uchar *dst_ptr, uint dst_stride_x, uint dst_step_x, uint dst_stride_y, uint dst_step_y, uint dst_offset_first_element_in_bytes)</td></tr>
131 <tr class="memdesc:afa433ed067b24c37933229beb846b34b"><td class="mdescLeft">&#160;</td><td class="mdescRight">Computes the Gaussian Filter 5x1 + sub-sampling along the Y direction.  <a href="#afa433ed067b24c37933229beb846b34b">More...</a><br /></td></tr>
132 <tr class="separator:afa433ed067b24c37933229beb846b34b"><td class="memSeparator" colspan="2">&#160;</td></tr>
133 </table>
134 <h2 class="groupheader">Function Documentation</h2>
135 <a class="anchor" id="ae8b283818e0ddb9edf271668d2682dc3"></a>
136 <div class="memitem">
137 <div class="memproto">
138       <table class="memname">
139         <tr>
140           <td class="memname">__kernel void gaussian1x5_sub_x </td>
141           <td>(</td>
142           <td class="paramtype">__global uchar *&#160;</td>
143           <td class="paramname"><em>src_ptr</em>, </td>
144         </tr>
145         <tr>
146           <td class="paramkey"></td>
147           <td></td>
148           <td class="paramtype">uint&#160;</td>
149           <td class="paramname"><em>src_stride_x</em>, </td>
150         </tr>
151         <tr>
152           <td class="paramkey"></td>
153           <td></td>
154           <td class="paramtype">uint&#160;</td>
155           <td class="paramname"><em>src_step_x</em>, </td>
156         </tr>
157         <tr>
158           <td class="paramkey"></td>
159           <td></td>
160           <td class="paramtype">uint&#160;</td>
161           <td class="paramname"><em>src_stride_y</em>, </td>
162         </tr>
163         <tr>
164           <td class="paramkey"></td>
165           <td></td>
166           <td class="paramtype">uint&#160;</td>
167           <td class="paramname"><em>src_step_y</em>, </td>
168         </tr>
169         <tr>
170           <td class="paramkey"></td>
171           <td></td>
172           <td class="paramtype">uint&#160;</td>
173           <td class="paramname"><em>src_offset_first_element_in_bytes</em>, </td>
174         </tr>
175         <tr>
176           <td class="paramkey"></td>
177           <td></td>
178           <td class="paramtype">__global uchar *&#160;</td>
179           <td class="paramname"><em>dst_ptr</em>, </td>
180         </tr>
181         <tr>
182           <td class="paramkey"></td>
183           <td></td>
184           <td class="paramtype">uint&#160;</td>
185           <td class="paramname"><em>dst_stride_x</em>, </td>
186         </tr>
187         <tr>
188           <td class="paramkey"></td>
189           <td></td>
190           <td class="paramtype">uint&#160;</td>
191           <td class="paramname"><em>dst_step_x</em>, </td>
192         </tr>
193         <tr>
194           <td class="paramkey"></td>
195           <td></td>
196           <td class="paramtype">uint&#160;</td>
197           <td class="paramname"><em>dst_stride_y</em>, </td>
198         </tr>
199         <tr>
200           <td class="paramkey"></td>
201           <td></td>
202           <td class="paramtype">uint&#160;</td>
203           <td class="paramname"><em>dst_step_y</em>, </td>
204         </tr>
205         <tr>
206           <td class="paramkey"></td>
207           <td></td>
208           <td class="paramtype">uint&#160;</td>
209           <td class="paramname"><em>dst_offset_first_element_in_bytes</em>&#160;</td>
210         </tr>
211         <tr>
212           <td></td>
213           <td>)</td>
214           <td></td><td></td>
215         </tr>
216       </table>
217 </div><div class="memdoc">
218
219 <p>Computes the Gaussian Filter 1x5 + sub-sampling along the X direction. </p>
220 <dl class="section note"><dt>Note</dt><dd>Each thread computes 8 pixels</dd></dl>
221 <dl class="params"><dt>Parameters</dt><dd>
222   <table class="params">
223     <tr><td class="paramdir">[in]</td><td class="paramname">src_ptr</td><td>Pointer to the source image. Supported data types: U8 </td></tr>
224     <tr><td class="paramdir">[in]</td><td class="paramname">src_stride_x</td><td>Stride of the source image in X dimension (in bytes) </td></tr>
225     <tr><td class="paramdir">[in]</td><td class="paramname">src_step_x</td><td>src_stride_x * number of elements along X processed per workitem(in bytes) </td></tr>
226     <tr><td class="paramdir">[in]</td><td class="paramname">src_stride_y</td><td>Stride of the source image in Y dimension (in bytes) </td></tr>
227     <tr><td class="paramdir">[in]</td><td class="paramname">src_step_y</td><td>src_stride_y * number of elements along Y processed per workitem(in bytes) </td></tr>
228     <tr><td class="paramdir">[in]</td><td class="paramname">src_offset_first_element_in_bytes</td><td>The offset of the first element in the source image </td></tr>
229     <tr><td class="paramdir">[out]</td><td class="paramname">dst_ptr</td><td>Pointer to the destination image. Supported data types: U16 </td></tr>
230     <tr><td class="paramdir">[in]</td><td class="paramname">dst_stride_x</td><td>Stride of the destination image in X dimension (in bytes) </td></tr>
231     <tr><td class="paramdir">[in]</td><td class="paramname">dst_step_x</td><td>dst_stride_x * number of elements along X processed per workitem(in bytes) </td></tr>
232     <tr><td class="paramdir">[in]</td><td class="paramname">dst_stride_y</td><td>Stride of the destination image in Y dimension (in bytes) </td></tr>
233     <tr><td class="paramdir">[in]</td><td class="paramname">dst_step_y</td><td>dst_stride_y * number of elements along Y processed per workitem(in bytes) </td></tr>
234     <tr><td class="paramdir">[in]</td><td class="paramname">dst_offset_first_element_in_bytes</td><td>The offset of the first element in the destination image </td></tr>
235   </table>
236   </dd>
237 </dl>
238
239 <p>Definition at line <a class="el" href="gaussian__pyramid_8cl_source.xhtml#l00043">43</a> of file <a class="el" href="gaussian__pyramid_8cl_source.xhtml">gaussian_pyramid.cl</a>.</p>
240
241 <p>References <a class="el" href="helpers_8h_source.xhtml#l00073">CONVERT_TO_IMAGE_STRUCT</a>, and <a class="el" href="helpers_8h_source.xhtml#l00097">Image::ptr</a>.</p>
242 <div class="fragment"><div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;{</div><div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;    <a class="code" href="struct_image.xhtml">Image</a> src = <a class="code" href="helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(src);</div><div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;    <a class="code" href="struct_image.xhtml">Image</a> dst = <a class="code" href="helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(dst);</div><div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;</div><div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;    <span class="comment">// Load values for the convolution (20 bytes needed)</span></div><div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;    uchar16 temp0 = vload16(0, src.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>);</div><div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;    uchar4  temp1 = vload4(0, src.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a> + 16);</div><div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;</div><div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;    <span class="comment">// Convert to USHORT8</span></div><div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;    ushort8 l2_data = convert_ushort8((uchar8)(temp0.s02468ACE));</div><div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;    ushort8 l1_data = convert_ushort8((uchar8)(temp0.s13579BDF));</div><div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;    ushort8 m_data  = convert_ushort8((uchar8)(temp0.s2468, temp0.sACE, temp1.s0));</div><div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;    ushort8 r1_data = convert_ushort8((uchar8)(temp0.s3579, temp0.sBDF, temp1.s1));</div><div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;    ushort8 r2_data = convert_ushort8((uchar8)(temp0.s468A, temp0.sCE, temp1.s02));</div><div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;</div><div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;    <span class="comment">// Compute convolution along the X direction</span></div><div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;    ushort8 pixels = l2_data + r2_data;</div><div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;    pixels += l1_data * (ushort8)4;</div><div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;    pixels += m_data * (ushort8)6;</div><div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;    pixels += r1_data * (ushort8)4;</div><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;    <span class="comment">// Store result</span></div><div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;    vstore8(pixels, 0, (__global ushort *)dst.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>);</div><div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;}</div><div class="ttc" id="helpers_8h_xhtml_aebe814363556c244be043b13e7969197"><div class="ttname"><a href="helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a></div><div class="ttdeci">#define CONVERT_TO_IMAGE_STRUCT(name)</div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00073">helpers.h:73</a></div></div>
243 <div class="ttc" id="struct_image_xhtml"><div class="ttname"><a href="struct_image.xhtml">Image</a></div><div class="ttdoc">Structure to hold Image information. </div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00095">helpers.h:95</a></div></div>
244 <div class="ttc" id="struct_image_xhtml_acf52c23cbd7424606c10a606524e3e32"><div class="ttname"><a href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">Image::ptr</a></div><div class="ttdeci">__global uchar * ptr</div><div class="ttdoc">Pointer to the starting postion of the buffer. </div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00097">helpers.h:97</a></div></div>
245 </div><!-- fragment -->
246 </div>
247 </div>
248 <a class="anchor" id="afa433ed067b24c37933229beb846b34b"></a>
249 <div class="memitem">
250 <div class="memproto">
251       <table class="memname">
252         <tr>
253           <td class="memname">__kernel void gaussian5x1_sub_y </td>
254           <td>(</td>
255           <td class="paramtype">__global uchar *&#160;</td>
256           <td class="paramname"><em>src_ptr</em>, </td>
257         </tr>
258         <tr>
259           <td class="paramkey"></td>
260           <td></td>
261           <td class="paramtype">uint&#160;</td>
262           <td class="paramname"><em>src_stride_x</em>, </td>
263         </tr>
264         <tr>
265           <td class="paramkey"></td>
266           <td></td>
267           <td class="paramtype">uint&#160;</td>
268           <td class="paramname"><em>src_step_x</em>, </td>
269         </tr>
270         <tr>
271           <td class="paramkey"></td>
272           <td></td>
273           <td class="paramtype">uint&#160;</td>
274           <td class="paramname"><em>src_stride_y</em>, </td>
275         </tr>
276         <tr>
277           <td class="paramkey"></td>
278           <td></td>
279           <td class="paramtype">uint&#160;</td>
280           <td class="paramname"><em>src_step_y</em>, </td>
281         </tr>
282         <tr>
283           <td class="paramkey"></td>
284           <td></td>
285           <td class="paramtype">uint&#160;</td>
286           <td class="paramname"><em>src_offset_first_element_in_bytes</em>, </td>
287         </tr>
288         <tr>
289           <td class="paramkey"></td>
290           <td></td>
291           <td class="paramtype">__global uchar *&#160;</td>
292           <td class="paramname"><em>dst_ptr</em>, </td>
293         </tr>
294         <tr>
295           <td class="paramkey"></td>
296           <td></td>
297           <td class="paramtype">uint&#160;</td>
298           <td class="paramname"><em>dst_stride_x</em>, </td>
299         </tr>
300         <tr>
301           <td class="paramkey"></td>
302           <td></td>
303           <td class="paramtype">uint&#160;</td>
304           <td class="paramname"><em>dst_step_x</em>, </td>
305         </tr>
306         <tr>
307           <td class="paramkey"></td>
308           <td></td>
309           <td class="paramtype">uint&#160;</td>
310           <td class="paramname"><em>dst_stride_y</em>, </td>
311         </tr>
312         <tr>
313           <td class="paramkey"></td>
314           <td></td>
315           <td class="paramtype">uint&#160;</td>
316           <td class="paramname"><em>dst_step_y</em>, </td>
317         </tr>
318         <tr>
319           <td class="paramkey"></td>
320           <td></td>
321           <td class="paramtype">uint&#160;</td>
322           <td class="paramname"><em>dst_offset_first_element_in_bytes</em>&#160;</td>
323         </tr>
324         <tr>
325           <td></td>
326           <td>)</td>
327           <td></td><td></td>
328         </tr>
329       </table>
330 </div><div class="memdoc">
331
332 <p>Computes the Gaussian Filter 5x1 + sub-sampling along the Y direction. </p>
333 <dl class="section note"><dt>Note</dt><dd>Each thread computes 8 pixels</dd></dl>
334 <dl class="params"><dt>Parameters</dt><dd>
335   <table class="params">
336     <tr><td class="paramdir">[in]</td><td class="paramname">src_ptr</td><td>Pointer to the source image. Supported data types: U16 </td></tr>
337     <tr><td class="paramdir">[in]</td><td class="paramname">src_stride_x</td><td>Stride of the source image in X dimension (in bytes) </td></tr>
338     <tr><td class="paramdir">[in]</td><td class="paramname">src_step_x</td><td>src_stride_x * number of elements along X processed per workitem(in bytes) </td></tr>
339     <tr><td class="paramdir">[in]</td><td class="paramname">src_stride_y</td><td>Stride of the source image in Y dimension (in bytes) </td></tr>
340     <tr><td class="paramdir">[in]</td><td class="paramname">src_step_y</td><td>src_stride_y * number of elements along Y processed per workitem(in bytes) </td></tr>
341     <tr><td class="paramdir">[in]</td><td class="paramname">src_offset_first_element_in_bytes</td><td>The offset of the first element in the source image </td></tr>
342     <tr><td class="paramdir">[out]</td><td class="paramname">dst_ptr</td><td>Pointer to the destination image. Supported data types: U8 </td></tr>
343     <tr><td class="paramdir">[in]</td><td class="paramname">dst_stride_x</td><td>Stride of the destination image in X dimension (in bytes) </td></tr>
344     <tr><td class="paramdir">[in]</td><td class="paramname">dst_step_x</td><td>dst_stride_x * number of elements along X processed per workitem(in bytes) </td></tr>
345     <tr><td class="paramdir">[in]</td><td class="paramname">dst_stride_y</td><td>Stride of the destination image in Y dimension (in bytes) </td></tr>
346     <tr><td class="paramdir">[in]</td><td class="paramname">dst_step_y</td><td>dst_stride_y * number of elements along Y processed per workitem(in bytes) </td></tr>
347     <tr><td class="paramdir">[in]</td><td class="paramname">dst_offset_first_element_in_bytes</td><td>The offset of the first element in the destination image </td></tr>
348   </table>
349   </dd>
350 </dl>
351
352 <p>Definition at line <a class="el" href="gaussian__pyramid_8cl_source.xhtml#l00088">88</a> of file <a class="el" href="gaussian__pyramid_8cl_source.xhtml">gaussian_pyramid.cl</a>.</p>
353
354 <p>References <a class="el" href="helpers_8h_source.xhtml#l00073">CONVERT_TO_IMAGE_STRUCT</a>, <a class="el" href="helpers_8h_source.xhtml#l00201">offset()</a>, and <a class="el" href="helpers_8h_source.xhtml#l00097">Image::ptr</a>.</p>
355 <div class="fragment"><div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;{</div><div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;    <a class="code" href="struct_image.xhtml">Image</a> src = <a class="code" href="helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(src);</div><div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;    <a class="code" href="struct_image.xhtml">Image</a> dst = <a class="code" href="helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(dst);</div><div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;</div><div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;    <span class="comment">// Load values</span></div><div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;    ushort8 u2_data = vload8(0, (__global ushort *)<a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(&amp;src, 0, 0));</div><div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;    ushort8 u1_data = vload8(0, (__global ushort *)<a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(&amp;src, 0, 1));</div><div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;    ushort8 m_data  = vload8(0, (__global ushort *)<a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(&amp;src, 0, 2));</div><div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;    ushort8 d1_data = vload8(0, (__global ushort *)<a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(&amp;src, 0, 3));</div><div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;    ushort8 d2_data = vload8(0, (__global ushort *)<a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(&amp;src, 0, 4));</div><div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;</div><div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;    <span class="comment">// Compute convolution along the Y direction</span></div><div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;    ushort8 pixels = u2_data + d2_data;</div><div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;    pixels += u1_data * (ushort8)4;</div><div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;    pixels += m_data * (ushort8)6;</div><div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;    pixels += d1_data * (ushort8)4;</div><div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;</div><div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;    <span class="comment">// Scale result</span></div><div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;    pixels &gt;&gt;= (ushort8)8;</div><div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;</div><div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;    <span class="comment">// Store result</span></div><div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;    vstore8(convert_uchar8_sat(pixels), 0, dst.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>);</div><div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;}</div><div class="ttc" id="helpers_8h_xhtml_a009469e4d9b8fce3b6d5e97d2077827d"><div class="ttname"><a href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a></div><div class="ttdeci">__global uchar * offset(const Image *img, int x, int y)</div><div class="ttdoc">Get the pointer position of a Image. </div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00201">helpers.h:201</a></div></div>
356 <div class="ttc" id="helpers_8h_xhtml_aebe814363556c244be043b13e7969197"><div class="ttname"><a href="helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a></div><div class="ttdeci">#define CONVERT_TO_IMAGE_STRUCT(name)</div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00073">helpers.h:73</a></div></div>
357 <div class="ttc" id="struct_image_xhtml"><div class="ttname"><a href="struct_image.xhtml">Image</a></div><div class="ttdoc">Structure to hold Image information. </div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00095">helpers.h:95</a></div></div>
358 <div class="ttc" id="struct_image_xhtml_acf52c23cbd7424606c10a606524e3e32"><div class="ttname"><a href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">Image::ptr</a></div><div class="ttdeci">__global uchar * ptr</div><div class="ttdoc">Pointer to the starting postion of the buffer. </div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00097">helpers.h:97</a></div></div>
359 </div><!-- fragment -->
360 </div>
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366   <ul>
367     <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="gaussian__pyramid_8cl.xhtml">gaussian_pyramid.cl</a></li>
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370     <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.11 </li>
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