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118 <div class="title">tablelookup.cl File Reference</div> </div>
120 <div class="contents">
121 <div class="textblock"><code>#include "<a class="el" href="helpers_8h_source.xhtml">helpers.h</a>"</code><br />
123 <p><a href="tablelookup_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:ad64728d0b577942fb98aca553bca7f77"><td class="memItemLeft" align="right" valign="top">__kernel void </td><td class="memItemRight" valign="bottom"><a class="el" href="tablelookup_8cl.xhtml#ad64728d0b577942fb98aca553bca7f77">tablelookup_U8</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, __global uchar *lut)</td></tr>
128 <tr class="memdesc:ad64728d0b577942fb98aca553bca7f77"><td class="mdescLeft"> </td><td class="mdescRight">This function performs table lookup on U8 input/output images. <a href="#ad64728d0b577942fb98aca553bca7f77">More...</a><br /></td></tr>
129 <tr class="separator:ad64728d0b577942fb98aca553bca7f77"><td class="memSeparator" colspan="2"> </td></tr>
130 <tr class="memitem:ad175448ea70f6a23e63b6d68f09d5f61"><td class="memItemLeft" align="right" valign="top">__kernel void </td><td class="memItemRight" valign="bottom"><a class="el" href="tablelookup_8cl.xhtml#ad175448ea70f6a23e63b6d68f09d5f61">tablelookup_S16</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, __global short *lut, uint <a class="el" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>, uint count)</td></tr>
131 <tr class="memdesc:ad175448ea70f6a23e63b6d68f09d5f61"><td class="mdescLeft"> </td><td class="mdescRight">This function performs table lookup on S16 input/output images. <a href="#ad175448ea70f6a23e63b6d68f09d5f61">More...</a><br /></td></tr>
132 <tr class="separator:ad175448ea70f6a23e63b6d68f09d5f61"><td class="memSeparator" colspan="2"> </td></tr>
134 <h2 class="groupheader">Function Documentation</h2>
135 <a class="anchor" id="ad175448ea70f6a23e63b6d68f09d5f61"></a>
136 <div class="memitem">
137 <div class="memproto">
138 <table class="memname">
140 <td class="memname">__kernel void tablelookup_S16 </td>
142 <td class="paramtype">__global uchar * </td>
143 <td class="paramname"><em>src_ptr</em>, </td>
146 <td class="paramkey"></td>
148 <td class="paramtype">uint </td>
149 <td class="paramname"><em>src_stride_x</em>, </td>
152 <td class="paramkey"></td>
154 <td class="paramtype">uint </td>
155 <td class="paramname"><em>src_step_x</em>, </td>
158 <td class="paramkey"></td>
160 <td class="paramtype">uint </td>
161 <td class="paramname"><em>src_stride_y</em>, </td>
164 <td class="paramkey"></td>
166 <td class="paramtype">uint </td>
167 <td class="paramname"><em>src_step_y</em>, </td>
170 <td class="paramkey"></td>
172 <td class="paramtype">uint </td>
173 <td class="paramname"><em>src_offset_first_element_in_bytes</em>, </td>
176 <td class="paramkey"></td>
178 <td class="paramtype">__global uchar * </td>
179 <td class="paramname"><em>dst_ptr</em>, </td>
182 <td class="paramkey"></td>
184 <td class="paramtype">uint </td>
185 <td class="paramname"><em>dst_stride_x</em>, </td>
188 <td class="paramkey"></td>
190 <td class="paramtype">uint </td>
191 <td class="paramname"><em>dst_step_x</em>, </td>
194 <td class="paramkey"></td>
196 <td class="paramtype">uint </td>
197 <td class="paramname"><em>dst_stride_y</em>, </td>
200 <td class="paramkey"></td>
202 <td class="paramtype">uint </td>
203 <td class="paramname"><em>dst_step_y</em>, </td>
206 <td class="paramkey"></td>
208 <td class="paramtype">uint </td>
209 <td class="paramname"><em>dst_offset_first_element_in_bytes</em>, </td>
212 <td class="paramkey"></td>
214 <td class="paramtype">__global short * </td>
215 <td class="paramname"><em>lut</em>, </td>
218 <td class="paramkey"></td>
220 <td class="paramtype">uint </td>
221 <td class="paramname"><em>offset</em>, </td>
224 <td class="paramkey"></td>
226 <td class="paramtype">uint </td>
227 <td class="paramname"><em>count</em> </td>
235 </div><div class="memdoc">
237 <p>This function performs table lookup on S16 input/output images. </p>
238 <p>Global Workgroup Size [ DIV_CEIL(width, 8), height ]</p>
239 <dl class="params"><dt>Parameters</dt><dd>
240 <table class="params">
241 <tr><td class="paramdir">[in]</td><td class="paramname">src_ptr</td><td>Pointer to the source image. Supported data types: S16 </td></tr>
242 <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>
243 <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>
244 <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>
245 <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>
246 <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>
247 <tr><td class="paramdir">[out]</td><td class="paramname">dst_ptr</td><td>Pointer to the destination image. Supported data types: S16 </td></tr>
248 <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>
249 <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>
250 <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>
251 <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>
252 <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>
253 <tr><td class="paramdir">[in]</td><td class="paramname">lut</td><td>LUT table. Supported data types: S16 </td></tr>
254 <tr><td class="paramdir">[in]</td><td class="paramname">offset</td><td>LUT offset </td></tr>
255 <tr><td class="paramdir">[in]</td><td class="paramname">count</td><td>Number of elements in the LUT </td></tr>
260 <p>Definition at line <a class="el" href="tablelookup_8cl_source.xhtml#l00084">84</a> of file <a class="el" href="tablelookup_8cl_source.xhtml">tablelookup.cl</a>.</p>
262 <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>
263 <div class="fragment"><div class="line"><a name="l00090"></a><span class="lineno"> 90</span> {</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <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="l00092"></a><span class="lineno"> 92</span>  <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="l00093"></a><span class="lineno"> 93</span> </div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="comment">/* Load input data */</span></div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  short8 data = vload8(0, (__global <span class="keywordtype">short</span> *)src.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>);</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span> </div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="comment">/* Load output data */</span></div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  int8 out_data = convert_int8(vload8(0, (__global <span class="keywordtype">short</span> *)dst.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>));</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span> </div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="comment">/* Calculate index */</span></div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  int8 index = convert_int8(data) + (int8)(<a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>);</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  int8 cond = (index >= 0 && index < (int8)count);</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  index = select(0, index, cond);</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span> </div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="comment">/* Load lut data */</span></div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  int8 lut_data = (int8)(lut[index.s0], lut[index.s1], lut[index.s2], lut[index.s3],</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  lut[index.s4], lut[index.s5], lut[index.s6], lut[index.s7]);</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span> </div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="comment">/* Select output data depending on condition */</span></div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  lut_data = select(out_data, lut_data, cond);</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span> </div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="comment">/* Store result */</span></div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  vstore8(convert_short8(lut_data), 0, (__global <span class="keywordtype">short</span> *)dst.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>);</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span> }</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>
264 <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>
265 <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>
266 <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>
267 </div><!-- fragment -->
270 <a class="anchor" id="ad64728d0b577942fb98aca553bca7f77"></a>
271 <div class="memitem">
272 <div class="memproto">
273 <table class="memname">
275 <td class="memname">__kernel void tablelookup_U8 </td>
277 <td class="paramtype">__global uchar * </td>
278 <td class="paramname"><em>src_ptr</em>, </td>
281 <td class="paramkey"></td>
283 <td class="paramtype">uint </td>
284 <td class="paramname"><em>src_stride_x</em>, </td>
287 <td class="paramkey"></td>
289 <td class="paramtype">uint </td>
290 <td class="paramname"><em>src_step_x</em>, </td>
293 <td class="paramkey"></td>
295 <td class="paramtype">uint </td>
296 <td class="paramname"><em>src_stride_y</em>, </td>
299 <td class="paramkey"></td>
301 <td class="paramtype">uint </td>
302 <td class="paramname"><em>src_step_y</em>, </td>
305 <td class="paramkey"></td>
307 <td class="paramtype">uint </td>
308 <td class="paramname"><em>src_offset_first_element_in_bytes</em>, </td>
311 <td class="paramkey"></td>
313 <td class="paramtype">__global uchar * </td>
314 <td class="paramname"><em>dst_ptr</em>, </td>
317 <td class="paramkey"></td>
319 <td class="paramtype">uint </td>
320 <td class="paramname"><em>dst_stride_x</em>, </td>
323 <td class="paramkey"></td>
325 <td class="paramtype">uint </td>
326 <td class="paramname"><em>dst_step_x</em>, </td>
329 <td class="paramkey"></td>
331 <td class="paramtype">uint </td>
332 <td class="paramname"><em>dst_stride_y</em>, </td>
335 <td class="paramkey"></td>
337 <td class="paramtype">uint </td>
338 <td class="paramname"><em>dst_step_y</em>, </td>
341 <td class="paramkey"></td>
343 <td class="paramtype">uint </td>
344 <td class="paramname"><em>dst_offset_first_element_in_bytes</em>, </td>
347 <td class="paramkey"></td>
349 <td class="paramtype">__global uchar * </td>
350 <td class="paramname"><em>lut</em> </td>
358 </div><div class="memdoc">
360 <p>This function performs table lookup on U8 input/output images. </p>
361 <p>Global Workgroup Size [ DIV_CEIL(width, 8), height ]</p>
362 <dl class="params"><dt>Parameters</dt><dd>
363 <table class="params">
364 <tr><td class="paramdir">[in]</td><td class="paramname">src_ptr</td><td>Pointer to the source image. Supported data types: U8 </td></tr>
365 <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>
366 <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>
367 <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>
368 <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>
369 <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>
370 <tr><td class="paramdir">[out]</td><td class="paramname">dst_ptr</td><td>Pointer to the destination image. Supported data types: U8 </td></tr>
371 <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>
372 <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>
373 <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>
374 <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>
375 <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>
376 <tr><td class="paramdir">[in]</td><td class="paramname">lut</td><td>LUT table. Supported data types: U8 </td></tr>
381 <p>Definition at line <a class="el" href="tablelookup_8cl_source.xhtml#l00045">45</a> of file <a class="el" href="tablelookup_8cl_source.xhtml">tablelookup.cl</a>.</p>
383 <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>
384 <div class="fragment"><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> {</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <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="l00051"></a><span class="lineno"> 51</span>  <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="l00052"></a><span class="lineno"> 52</span> </div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="comment">/* Load input data */</span></div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  uchar8 data = vload8(0, src.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>);</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> </div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="comment">/* Load lut data */</span></div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  uchar8 lut_data = (uchar8)(lut[data.s0], lut[data.s1], lut[data.s2], lut[data.s3],</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  lut[data.s4], lut[data.s5], lut[data.s6], lut[data.s7]);</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> </div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="comment">/* Store result */</span></div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  vstore8(lut_data, 0, dst.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>);</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> }</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>
385 <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>
386 <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>
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398 <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.11 </li>