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| <a href="helpers_8h.xhtml">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * Copyright (c) 2016, 2017 ARM Limited.</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> *</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * SPDX-License-Identifier: MIT</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> *</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * Permission is hereby granted, free of charge, to any person obtaining a copy</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * of this software and associated documentation files (the "Software"), to</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * deal in the Software without restriction, including without limitation the</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * sell copies of the Software, and to permit persons to whom the Software is</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * furnished to do so, subject to the following conditions:</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> *</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * The above copyright notice and this permission notice shall be included in all</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * copies or substantial portions of the Software.</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> *</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment"> * SOFTWARE.</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment"> */</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#ifndef ARM_COMPUTE_HELPER_H</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#define ARM_COMPUTE_HELPER_H</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> </div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#pragma OPENCL EXTENSION cl_khr_fp16 : enable</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> </div><div class="line"><a name="l00029"></a><span class="lineno"><a class="line" href="helpers_8h.xhtml#aabdbe431f2713c5c2604cb9872b66aab"> 29</a></span> <span class="preprocessor">#define CLAMP(x, min_val, max_val) min(max(x, min_val), max_val)</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> </div><div class="line"><a name="l00031"></a><span class="lineno"><a class="line" href="helpers_8h.xhtml#ae802822defb0fa3a7f74f98e324696cb"> 31</a></span> <span class="preprocessor">#define VEC_DATA_TYPE_STR(type, size) type##size</span></div><div class="line"><a name="l00032"></a><span class="lineno"><a class="line" href="helpers_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f"> 32</a></span> <span class="preprocessor">#define VEC_DATA_TYPE(type, size) VEC_DATA_TYPE_STR(type, size)</span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> </div><div class="line"><a name="l00034"></a><span class="lineno"><a class="line" href="helpers_8h.xhtml#a4090567b3adb034c7cc1af308cb45670"> 34</a></span> <span class="preprocessor">#define CONVERT_STR(x, type) (convert_##type((x)))</span></div><div class="line"><a name="l00035"></a><span class="lineno"><a class="line" href="helpers_8h.xhtml#aa8d95ba04fc73845abc6045952cae5be"> 35</a></span> <span class="preprocessor">#define CONVERT(x, type) CONVERT_STR(x, type)</span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> </div><div class="line"><a name="l00037"></a><span class="lineno"><a class="line" href="helpers_8h.xhtml#a4e0fc93c9a69863dcdf7672ab547026c"> 37</a></span> <span class="preprocessor">#define CONVERT_SAT_STR(x, type) (convert_##type##_sat((x)))</span></div><div class="line"><a name="l00038"></a><span class="lineno"><a class="line" href="helpers_8h.xhtml#a23fb01b6f3453cc0e48a026fd44f6acd"> 38</a></span> <span class="preprocessor">#define CONVERT_SAT(x, type) CONVERT_SAT_STR(x, type)</span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> </div><div class="line"><a name="l00040"></a><span class="lineno"><a class="line" href="helpers_8h.xhtml#a341a0c28698c3f6bd171df1771c5a512"> 40</a></span> <span class="preprocessor">#define CONVERT_SAT_ROUND_STR(x, type, round) (convert_##type##_sat_##round((x)))</span></div><div class="line"><a name="l00041"></a><span class="lineno"><a class="line" href="helpers_8h.xhtml#a28b2b123792a5b11a32cb05a6d327437"> 41</a></span> <span class="preprocessor">#define CONVERT_SAT_ROUND(x, type, round) CONVERT_SAT_ROUND_STR(x, type, round)</span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> </div><div class="line"><a name="l00043"></a><span class="lineno"><a class="line" href="helpers_8h.xhtml#a40a6eb9f2a7712f08d6bb8ff6c9e6ca7"> 43</a></span> <span class="preprocessor">#define VECTOR_DECLARATION(name) \</span></div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="preprocessor"> __global uchar *name##_ptr, \</span></div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="preprocessor"> uint name##_stride_x, \</span></div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="preprocessor"> uint name##_step_x, \</span></div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="preprocessor"> uint name##_offset_first_element_in_bytes</span></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> </div><div class="line"><a name="l00049"></a><span class="lineno"><a class="line" href="helpers_8h.xhtml#a22f42fcf2077d951271df83b55c1a71a"> 49</a></span> <span class="preprocessor">#define IMAGE_DECLARATION(name) \</span></div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="preprocessor"> __global uchar *name##_ptr, \</span></div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="preprocessor"> uint name##_stride_x, \</span></div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="preprocessor"> uint name##_step_x, \</span></div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="preprocessor"> uint name##_stride_y, \</span></div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="preprocessor"> uint name##_step_y, \</span></div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="preprocessor"> uint name##_offset_first_element_in_bytes</span></div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> </div><div class="line"><a name="l00057"></a><span class="lineno"><a class="line" href="helpers_8h.xhtml#a6b83038822d1ae7ab619b684ed3b7fc0"> 57</a></span> <span class="preprocessor">#define TENSOR3D_DECLARATION(name) \</span></div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="preprocessor"> __global uchar *name##_ptr, \</span></div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="preprocessor"> uint name##_stride_x, \</span></div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="preprocessor"> uint name##_step_x, \</span></div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="preprocessor"> uint name##_stride_y, \</span></div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="preprocessor"> uint name##_step_y, \</span></div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="preprocessor"> uint name##_stride_z, \</span></div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="preprocessor"> uint name##_step_z, \</span></div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="preprocessor"> uint name##_offset_first_element_in_bytes</span></div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span> </div><div class="line"><a name="l00067"></a><span class="lineno"><a class="line" href="helpers_8h.xhtml#a527bfdf5eeb306f1cf01c4a8e29f38e0"> 67</a></span> <span class="preprocessor">#define CONVERT_TO_VECTOR_STRUCT(name) \</span></div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="preprocessor"> update_vector_workitem_ptr(name##_ptr, name##_offset_first_element_in_bytes, name##_stride_x, name##_step_x)</span></div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span> </div><div class="line"><a name="l00070"></a><span class="lineno"><a class="line" href="helpers_8h.xhtml#a64d779f80eeb923e0ab2313433f7b40b"> 70</a></span> <span class="preprocessor">#define CONVERT_TO_VECTOR_STRUCT_NO_STEP(name) \</span></div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="preprocessor"> update_vector_workitem_ptr(name##_ptr, name##_offset_first_element_in_bytes, name##_stride_x, 0)</span></div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span> </div><div class="line"><a name="l00073"></a><span class="lineno"><a class="line" href="helpers_8h.xhtml#aebe814363556c244be043b13e7969197"> 73</a></span> <span class="preprocessor">#define CONVERT_TO_IMAGE_STRUCT(name) \</span></div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="preprocessor"> update_image_workitem_ptr(name##_ptr, name##_offset_first_element_in_bytes, name##_stride_x, name##_step_x, name##_stride_y, name##_step_y)</span></div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span> </div><div class="line"><a name="l00076"></a><span class="lineno"><a class="line" href="helpers_8h.xhtml#a4334a4a76f8e9628c0fb9e1acf616e2a"> 76</a></span> <span class="preprocessor">#define CONVERT_TO_IMAGE_STRUCT_NO_STEP(name) \</span></div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="preprocessor"> update_image_workitem_ptr(name##_ptr, name##_offset_first_element_in_bytes, name##_stride_x, 0, name##_stride_y, 0)</span></div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span> </div><div class="line"><a name="l00079"></a><span class="lineno"><a class="line" href="helpers_8h.xhtml#a31c8c760f08fb1a331b16b7c204321dc"> 79</a></span> <span class="preprocessor">#define CONVERT_TO_TENSOR3D_STRUCT(name) \</span></div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span> <span class="preprocessor"> update_tensor3D_workitem_ptr(name##_ptr, name##_offset_first_element_in_bytes, name##_stride_x, name##_step_x, name##_stride_y, name##_step_y, \</span></div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span> <span class="preprocessor"> name##_stride_z, name##_step_z)</span></div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span> </div><div class="line"><a name="l00083"></a><span class="lineno"><a class="line" href="helpers_8h.xhtml#a79e8e562daa6599317d2d1cd86ef1bf2"> 83</a></span> <span class="preprocessor">#define CONVERT_TO_TENSOR3D_STRUCT_NO_STEP(name) \</span></div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span> <span class="preprocessor"> update_tensor3D_workitem_ptr(name##_ptr, name##_offset_first_element_in_bytes, name##_stride_x, 0, name##_stride_y, 0, name##_stride_z, 0)</span></div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span> </div><div class="line"><a name="l00087"></a><span class="lineno"><a class="line" href="struct_vector.xhtml"> 87</a></span> <span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="struct_vector.xhtml">Vector</a></div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span> {</div><div class="line"><a name="l00089"></a><span class="lineno"><a class="line" href="struct_vector.xhtml#acf52c23cbd7424606c10a606524e3e32"> 89</a></span>  __global uchar *<a class="code" href="struct_vector.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>; </div><div class="line"><a name="l00090"></a><span class="lineno"><a class="line" href="struct_vector.xhtml#a35e5a91338398273f3b4a6010004bddd"> 90</a></span>  <span class="keywordtype">int</span> <a class="code" href="struct_vector.xhtml#a35e5a91338398273f3b4a6010004bddd">offset_first_element_in_bytes</a>; </div><div class="line"><a name="l00091"></a><span class="lineno"><a class="line" href="struct_vector.xhtml#ae01febbfd0689ef709f3ff6fdd2abc7e"> 91</a></span>  <span class="keywordtype">int</span> <a class="code" href="struct_vector.xhtml#ae01febbfd0689ef709f3ff6fdd2abc7e">stride_x</a>; </div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span> } <a class="code" href="helpers_8h.xhtml#a6ded2cf071c127e518317e3c451af3ef">Vector</a>;</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span> </div><div class="line"><a name="l00095"></a><span class="lineno"><a class="line" href="struct_image.xhtml"> 95</a></span> <span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="struct_image.xhtml">Image</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"><a class="line" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32"> 97</a></span>  __global uchar *<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>; </div><div class="line"><a name="l00098"></a><span class="lineno"><a class="line" href="struct_image.xhtml#a35e5a91338398273f3b4a6010004bddd"> 98</a></span>  <span class="keywordtype">int</span> <a class="code" href="struct_image.xhtml#a35e5a91338398273f3b4a6010004bddd">offset_first_element_in_bytes</a>; </div><div class="line"><a name="l00099"></a><span class="lineno"><a class="line" href="struct_image.xhtml#ae01febbfd0689ef709f3ff6fdd2abc7e"> 99</a></span>  <span class="keywordtype">int</span> <a class="code" href="struct_image.xhtml#ae01febbfd0689ef709f3ff6fdd2abc7e">stride_x</a>; </div><div class="line"><a name="l00100"></a><span class="lineno"><a class="line" href="struct_image.xhtml#a4f0b90c9ecd6e57ceb3f37332fefe8f1"> 100</a></span>  <span class="keywordtype">int</span> <a class="code" href="struct_image.xhtml#a4f0b90c9ecd6e57ceb3f37332fefe8f1">stride_y</a>; </div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span> } <a class="code" href="helpers_8h.xhtml#a9082e6aa9fd1705dc218cf44bc5a9d66">Image</a>;</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span> </div><div class="line"><a name="l00104"></a><span class="lineno"><a class="line" href="struct_tensor3_d.xhtml"> 104</a></span> <span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="struct_tensor3_d.xhtml">Tensor3D</a></div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span> {</div><div class="line"><a name="l00106"></a><span class="lineno"><a class="line" href="struct_tensor3_d.xhtml#acf52c23cbd7424606c10a606524e3e32"> 106</a></span>  __global uchar *<a class="code" href="struct_tensor3_d.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>; </div><div class="line"><a name="l00107"></a><span class="lineno"><a class="line" href="struct_tensor3_d.xhtml#a35e5a91338398273f3b4a6010004bddd"> 107</a></span>  <span class="keywordtype">int</span> <a class="code" href="struct_tensor3_d.xhtml#a35e5a91338398273f3b4a6010004bddd">offset_first_element_in_bytes</a>; </div><div class="line"><a name="l00108"></a><span class="lineno"><a class="line" href="struct_tensor3_d.xhtml#ae01febbfd0689ef709f3ff6fdd2abc7e"> 108</a></span>  <span class="keywordtype">int</span> <a class="code" href="struct_tensor3_d.xhtml#ae01febbfd0689ef709f3ff6fdd2abc7e">stride_x</a>; </div><div class="line"><a name="l00109"></a><span class="lineno"><a class="line" href="struct_tensor3_d.xhtml#a4f0b90c9ecd6e57ceb3f37332fefe8f1"> 109</a></span>  <span class="keywordtype">int</span> <a class="code" href="struct_tensor3_d.xhtml#a4f0b90c9ecd6e57ceb3f37332fefe8f1">stride_y</a>; </div><div class="line"><a name="l00110"></a><span class="lineno"><a class="line" href="struct_tensor3_d.xhtml#ad5ff7a2b2bd0eec50fe09c254b127d1c"> 110</a></span>  <span class="keywordtype">int</span> <a class="code" href="struct_tensor3_d.xhtml#ad5ff7a2b2bd0eec50fe09c254b127d1c">stride_z</a>; </div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span> } <a class="code" href="helpers_8h.xhtml#a1a857bfe99727c6051e9a3ee285d70f6">Tensor3D</a>;</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span> </div><div class="line"><a name="l00122"></a><span class="lineno"><a class="line" href="helpers_8h.xhtml#a8fee90913ba658b25516a43cf71e5cbd"> 122</a></span> <a class="code" href="struct_vector.xhtml">Vector</a> <span class="keyword">inline</span> <a class="code" href="helpers_8h.xhtml#a8fee90913ba658b25516a43cf71e5cbd">update_vector_workitem_ptr</a>(__global uchar *<a class="code" href="struct_vector.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>, uint <a class="code" href="struct_vector.xhtml#a35e5a91338398273f3b4a6010004bddd">offset_first_element_in_bytes</a>, uint <a class="code" href="struct_vector.xhtml#ae01febbfd0689ef709f3ff6fdd2abc7e">stride_x</a>, uint step_x)</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span> {</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <a class="code" href="struct_vector.xhtml">Vector</a> vector =</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  {</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  .<a class="code" href="struct_vector.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a> = <a class="code" href="struct_vector.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>,</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  .offset_first_element_in_bytes = <a class="code" href="struct_vector.xhtml#a35e5a91338398273f3b4a6010004bddd">offset_first_element_in_bytes</a>,</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  .stride_x = <a class="code" href="struct_vector.xhtml#ae01febbfd0689ef709f3ff6fdd2abc7e">stride_x</a>,</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  };</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  vector.<a class="code" href="struct_vector.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a> += vector.<a class="code" href="struct_vector.xhtml#a35e5a91338398273f3b4a6010004bddd">offset_first_element_in_bytes</a> + get_global_id(0) * step_x;</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordflow">return</span> vector;</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span> }</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span> </div><div class="line"><a name="l00145"></a><span class="lineno"><a class="line" href="helpers_8h.xhtml#a0a4395130f74a4293a7d3a19d8fac86d"> 145</a></span> <a class="code" href="struct_image.xhtml">Image</a> <span class="keyword">inline</span> <a class="code" href="helpers_8h.xhtml#a0a4395130f74a4293a7d3a19d8fac86d">update_image_workitem_ptr</a>(__global uchar *<a class="code" href="struct_vector.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>, uint <a class="code" href="struct_vector.xhtml#a35e5a91338398273f3b4a6010004bddd">offset_first_element_in_bytes</a>, uint <a class="code" href="struct_vector.xhtml#ae01febbfd0689ef709f3ff6fdd2abc7e">stride_x</a>, uint step_x, uint stride_y, uint step_y)</div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span> {</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <a class="code" href="struct_image.xhtml">Image</a> img =</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  {</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  .<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a> = <a class="code" href="struct_vector.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>,</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  .offset_first_element_in_bytes = <a class="code" href="struct_vector.xhtml#a35e5a91338398273f3b4a6010004bddd">offset_first_element_in_bytes</a>,</div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  .stride_x = <a class="code" href="struct_vector.xhtml#ae01febbfd0689ef709f3ff6fdd2abc7e">stride_x</a>,</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  .stride_y = stride_y</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  };</div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  img.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a> += img.<a class="code" href="struct_image.xhtml#a35e5a91338398273f3b4a6010004bddd">offset_first_element_in_bytes</a> + get_global_id(0) * step_x + get_global_id(1) * step_y;</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="keywordflow">return</span> img;</div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span> }</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span> </div><div class="line"><a name="l00171"></a><span class="lineno"><a class="line" href="helpers_8h.xhtml#a912ccbcc4235bf1274c95d05b50440d4"> 171</a></span> <a class="code" href="struct_tensor3_d.xhtml">Tensor3D</a> <span class="keyword">inline</span> <a class="code" href="helpers_8h.xhtml#a912ccbcc4235bf1274c95d05b50440d4">update_tensor3D_workitem_ptr</a>(__global uchar *<a class="code" href="struct_vector.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>, uint <a class="code" href="struct_vector.xhtml#a35e5a91338398273f3b4a6010004bddd">offset_first_element_in_bytes</a>, uint <a class="code" href="struct_vector.xhtml#ae01febbfd0689ef709f3ff6fdd2abc7e">stride_x</a>, uint step_x, uint stride_y, uint step_y, uint stride_z, uint step_z)</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span> {</div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <a class="code" href="struct_tensor3_d.xhtml">Tensor3D</a> tensor =</div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  {</div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  .<a class="code" href="struct_tensor3_d.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a> = <a class="code" href="struct_vector.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>,</div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  .offset_first_element_in_bytes = <a class="code" href="struct_vector.xhtml#a35e5a91338398273f3b4a6010004bddd">offset_first_element_in_bytes</a>,</div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  .stride_x = <a class="code" href="struct_vector.xhtml#ae01febbfd0689ef709f3ff6fdd2abc7e">stride_x</a>,</div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  .stride_y = stride_y,</div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  .stride_z = stride_z</div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  };</div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  tensor.<a class="code" href="struct_tensor3_d.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a> += tensor.<a class="code" href="struct_tensor3_d.xhtml#a35e5a91338398273f3b4a6010004bddd">offset_first_element_in_bytes</a> + get_global_id(0) * step_x + get_global_id(1) * step_y + get_global_id(2) * step_z;</div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="keywordflow">return</span> tensor;</div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span> }</div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span> </div><div class="line"><a name="l00190"></a><span class="lineno"><a class="line" href="helpers_8h.xhtml#a7e4940407322d6f0ccb8b6b86b856019"> 190</a></span> __global <span class="keyword">inline</span> <span class="keyword">const</span> uchar *<a class="code" href="helpers_8h.xhtml#a7e4940407322d6f0ccb8b6b86b856019">vector_offset</a>(<span class="keyword">const</span> <a class="code" href="struct_vector.xhtml">Vector</a> *vec, <span class="keywordtype">int</span> x)</div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span> {</div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <span class="keywordflow">return</span> vec-><a class="code" href="struct_vector.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a> + x * vec-><a class="code" href="struct_vector.xhtml#ae01febbfd0689ef709f3ff6fdd2abc7e">stride_x</a>;</div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span> }</div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span> </div><div class="line"><a name="l00201"></a><span class="lineno"><a class="line" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d"> 201</a></span> __global <span class="keyword">inline</span> uchar *<a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(<span class="keyword">const</span> <a class="code" href="struct_image.xhtml">Image</a> *img, <span class="keywordtype">int</span> x, <span class="keywordtype">int</span> y)</div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span> {</div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <span class="keywordflow">return</span> img-><a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a> + x * img-><a class="code" href="struct_image.xhtml#ae01febbfd0689ef709f3ff6fdd2abc7e">stride_x</a> + y * img-><a class="code" href="struct_image.xhtml#a4f0b90c9ecd6e57ceb3f37332fefe8f1">stride_y</a>;</div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span> }</div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span> </div><div class="line"><a name="l00213"></a><span class="lineno"><a class="line" href="helpers_8h.xhtml#a2101b2fe0193ce227ae4e0945e321d85"> 213</a></span> __global <span class="keyword">inline</span> <span class="keyword">const</span> uchar *<a class="code" href="helpers_8h.xhtml#a2101b2fe0193ce227ae4e0945e321d85">tensor3D_offset</a>(<span class="keyword">const</span> <a class="code" href="struct_tensor3_d.xhtml">Tensor3D</a> *tensor, <span class="keywordtype">int</span> x, <span class="keywordtype">int</span> y, <span class="keywordtype">int</span> z)</div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span> {</div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <span class="keywordflow">return</span> tensor-><a class="code" href="struct_tensor3_d.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a> + x * tensor-><a class="code" href="struct_tensor3_d.xhtml#ae01febbfd0689ef709f3ff6fdd2abc7e">stride_x</a> + y * tensor-><a class="code" href="struct_tensor3_d.xhtml#a4f0b90c9ecd6e57ceb3f37332fefe8f1">stride_y</a> + z * tensor-><a class="code" href="struct_tensor3_d.xhtml#ad5ff7a2b2bd0eec50fe09c254b127d1c">stride_z</a>;</div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span> }</div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span> </div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span> <span class="preprocessor">#endif // _HELPER_H</span></div><div class="ttc" id="struct_vector_xhtml"><div class="ttname"><a href="struct_vector.xhtml">Vector</a></div><div class="ttdoc">Structure to hold Vector information. </div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00087">helpers.h:87</a></div></div> |
| <div class="ttc" id="helpers_8h_xhtml_a8fee90913ba658b25516a43cf71e5cbd"><div class="ttname"><a href="helpers_8h.xhtml#a8fee90913ba658b25516a43cf71e5cbd">update_vector_workitem_ptr</a></div><div class="ttdeci">Vector update_vector_workitem_ptr(__global uchar *ptr, uint offset_first_element_in_bytes, uint stride_x, uint step_x)</div><div class="ttdoc">Wrap vector information into an Vector structure, and make the pointer point at this workitem&#39;s data...</div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00122">helpers.h:122</a></div></div> |
| <div class="ttc" id="struct_tensor3_d_xhtml_ad5ff7a2b2bd0eec50fe09c254b127d1c"><div class="ttname"><a href="struct_tensor3_d.xhtml#ad5ff7a2b2bd0eec50fe09c254b127d1c">Tensor3D::stride_z</a></div><div class="ttdeci">int stride_z</div><div class="ttdoc">Stride of the image in Z dimension (in bytes) </div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00110">helpers.h:110</a></div></div> |
| <div class="ttc" id="struct_tensor3_d_xhtml_ae01febbfd0689ef709f3ff6fdd2abc7e"><div class="ttname"><a href="struct_tensor3_d.xhtml#ae01febbfd0689ef709f3ff6fdd2abc7e">Tensor3D::stride_x</a></div><div class="ttdeci">int stride_x</div><div class="ttdoc">Stride of the image in X dimension (in bytes) </div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00108">helpers.h:108</a></div></div> |
| <div class="ttc" id="struct_image_xhtml_a35e5a91338398273f3b4a6010004bddd"><div class="ttname"><a href="struct_image.xhtml#a35e5a91338398273f3b4a6010004bddd">Image::offset_first_element_in_bytes</a></div><div class="ttdeci">int offset_first_element_in_bytes</div><div class="ttdoc">The offset of the first element in the source image. </div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00098">helpers.h:98</a></div></div> |
| <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="helpers_8h_source.xhtml#l00104">helpers.h:104</a></div></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> |
| <div class="ttc" id="helpers_8h_xhtml_a1a857bfe99727c6051e9a3ee285d70f6"><div class="ttname"><a href="helpers_8h.xhtml#a1a857bfe99727c6051e9a3ee285d70f6">Tensor3D</a></div><div class="ttdeci">struct Tensor3D Tensor3D</div><div class="ttdoc">Structure to hold 3D tensor information. </div></div> |
| <div class="ttc" id="helpers_8h_xhtml_a912ccbcc4235bf1274c95d05b50440d4"><div class="ttname"><a href="helpers_8h.xhtml#a912ccbcc4235bf1274c95d05b50440d4">update_tensor3D_workitem_ptr</a></div><div class="ttdeci">Tensor3D update_tensor3D_workitem_ptr(__global uchar *ptr, uint offset_first_element_in_bytes, uint stride_x, uint step_x, uint stride_y, uint step_y, uint stride_z, uint step_z)</div><div class="ttdoc">Wrap 3D tensor information into an tensor structure, and make the pointer point at this workitem&#39;s da...</div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00171">helpers.h:171</a></div></div> |
| <div class="ttc" id="struct_vector_xhtml_ae01febbfd0689ef709f3ff6fdd2abc7e"><div class="ttname"><a href="struct_vector.xhtml#ae01febbfd0689ef709f3ff6fdd2abc7e">Vector::stride_x</a></div><div class="ttdeci">int stride_x</div><div class="ttdoc">Stride of the image in X dimension (in bytes) </div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00091">helpers.h:91</a></div></div> |
| <div class="ttc" id="helpers_8h_xhtml_a9082e6aa9fd1705dc218cf44bc5a9d66"><div class="ttname"><a href="helpers_8h.xhtml#a9082e6aa9fd1705dc218cf44bc5a9d66">Image</a></div><div class="ttdeci">struct Image Image</div><div class="ttdoc">Structure to hold Image information. </div></div> |
| <div class="ttc" id="struct_vector_xhtml_acf52c23cbd7424606c10a606524e3e32"><div class="ttname"><a href="struct_vector.xhtml#acf52c23cbd7424606c10a606524e3e32">Vector::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#l00089">helpers.h:89</a></div></div> |
| <div class="ttc" id="helpers_8h_xhtml_a2101b2fe0193ce227ae4e0945e321d85"><div class="ttname"><a href="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="helpers_8h_source.xhtml#l00213">helpers.h:213</a></div></div> |
| <div class="ttc" id="helpers_8h_xhtml_a0a4395130f74a4293a7d3a19d8fac86d"><div class="ttname"><a href="helpers_8h.xhtml#a0a4395130f74a4293a7d3a19d8fac86d">update_image_workitem_ptr</a></div><div class="ttdeci">Image update_image_workitem_ptr(__global uchar *ptr, uint offset_first_element_in_bytes, uint stride_x, uint step_x, uint stride_y, uint step_y)</div><div class="ttdoc">Wrap image information into an Image structure, and make the pointer point at this workitem&#39;s data...</div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00145">helpers.h:145</a></div></div> |
| <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> |
| <div class="ttc" id="struct_vector_xhtml_a35e5a91338398273f3b4a6010004bddd"><div class="ttname"><a href="struct_vector.xhtml#a35e5a91338398273f3b4a6010004bddd">Vector::offset_first_element_in_bytes</a></div><div class="ttdeci">int offset_first_element_in_bytes</div><div class="ttdoc">The offset of the first element in the source image. </div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00090">helpers.h:90</a></div></div> |
| <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> |
| <div class="ttc" id="helpers_8h_xhtml_a7e4940407322d6f0ccb8b6b86b856019"><div class="ttname"><a href="helpers_8h.xhtml#a7e4940407322d6f0ccb8b6b86b856019">vector_offset</a></div><div class="ttdeci">__global const uchar * vector_offset(const Vector *vec, int x)</div><div class="ttdoc">Get the pointer position of a Vector. </div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00190">helpers.h:190</a></div></div> |
| <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="helpers_8h_source.xhtml#l00106">helpers.h:106</a></div></div> |
| <div class="ttc" id="helpers_8h_xhtml_a6ded2cf071c127e518317e3c451af3ef"><div class="ttname"><a href="helpers_8h.xhtml#a6ded2cf071c127e518317e3c451af3ef">Vector</a></div><div class="ttdeci">struct Vector Vector</div><div class="ttdoc">Structure to hold Vector information. </div></div> |
| <div class="ttc" id="struct_tensor3_d_xhtml_a4f0b90c9ecd6e57ceb3f37332fefe8f1"><div class="ttname"><a href="struct_tensor3_d.xhtml#a4f0b90c9ecd6e57ceb3f37332fefe8f1">Tensor3D::stride_y</a></div><div class="ttdeci">int stride_y</div><div class="ttdoc">Stride of the image in Y dimension (in bytes) </div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00109">helpers.h:109</a></div></div> |
| <div class="ttc" id="struct_tensor3_d_xhtml_a35e5a91338398273f3b4a6010004bddd"><div class="ttname"><a href="struct_tensor3_d.xhtml#a35e5a91338398273f3b4a6010004bddd">Tensor3D::offset_first_element_in_bytes</a></div><div class="ttdeci">int offset_first_element_in_bytes</div><div class="ttdoc">The offset of the first element in the source image. </div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00107">helpers.h:107</a></div></div> |
| <div class="ttc" id="struct_image_xhtml_a4f0b90c9ecd6e57ceb3f37332fefe8f1"><div class="ttname"><a href="struct_image.xhtml#a4f0b90c9ecd6e57ceb3f37332fefe8f1">Image::stride_y</a></div><div class="ttdeci">int stride_y</div><div class="ttdoc">Stride of the image in Y dimension (in bytes) </div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00100">helpers.h:100</a></div></div> |
| <div class="ttc" id="struct_image_xhtml_ae01febbfd0689ef709f3ff6fdd2abc7e"><div class="ttname"><a href="struct_image.xhtml#ae01febbfd0689ef709f3ff6fdd2abc7e">Image::stride_x</a></div><div class="ttdeci">int stride_x</div><div class="ttdoc">Stride of the image in X dimension (in bytes) </div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00099">helpers.h:99</a></div></div> |
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