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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="preprocessor">#pragma once</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> </div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="preprocessor">#include "filter_compute.hpp"</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> </div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="keyword">namespace </span><a class="code" href="a00161.html">gli</a>{</div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="keyword">namespace </span>detail</div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> {</div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> texture_type, <span class="keyword">typename</span> sampler_value_type, <span class="keyword">typename</span> fetch_func, <span class="keyword">typename</span> write_func, <span class="keyword">typename</span> normalized_type, <span class="keyword">typename</span> texel_type></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span>  <span class="keyword">inline</span> <span class="keywordtype">void</span> generate_mipmaps_1d</div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span>  (</div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span>  texture_type & Texture, fetch_func Fetch, write_func Write,</div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span>  <span class="keyword">typename</span> texture_type::size_type BaseLayer, <span class="keyword">typename</span> texture_type::size_type MaxLayer,</div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span>  <span class="keyword">typename</span> texture_type::size_type BaseFace, <span class="keyword">typename</span> texture_type::size_type MaxFace,</div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span>  <span class="keyword">typename</span> texture_type::size_type BaseLevel, <span class="keyword">typename</span> texture_type::size_type MaxLevel,</div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span>  <a class="code" href="a00161.html#a610876e02cee64e29fe4376ffeb6b9b9">filter</a> Min</div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span>  )</div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span>  {</div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> detail::interpolate<sampler_value_type>::type interpolate_type;</div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> texture_type::extent_type extent_type;</div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> texture_type::size_type size_type;</div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> extent_type::value_type component_type;</div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> detail::filterBase<detail::DIMENSION_1D, texture_type, interpolate_type, normalized_type, fetch_func, texel_type>::filterFunc filter_func;</div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> </div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  filter_func <span class="keyword">const</span> Filter = detail::get_filter<filter_func, detail::DIMENSION_1D, texture_type, interpolate_type, normalized_type, fetch_func, texel_type, sampler_value_type>(FILTER_NEAREST, Min, <span class="keyword">false</span>);</div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  GLI_ASSERT(Filter);</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="keywordflow">for</span>(size_type Layer = BaseLayer; Layer <= MaxLayer; ++Layer)</div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  <span class="keywordflow">for</span>(size_type Face = BaseFace; Face <= MaxFace; ++Face)</div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  <span class="keywordflow">for</span>(size_type Level = BaseLevel; Level < MaxLevel; ++Level)</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  {</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  extent_type <span class="keyword">const</span>& ExtentDst = Texture.extent(Level + 1);</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  normalized_type <span class="keyword">const</span>& Scale = normalized_type(1) / normalized_type(max(ExtentDst - extent_type(1), extent_type(1)));</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> </div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <span class="keywordflow">for</span>(component_type i = 0; i < ExtentDst.x; ++i)</div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  {</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  normalized_type <span class="keyword">const</span>& SamplePosition(normalized_type(static_cast<typename normalized_type::value_type>(i)) * Scale);</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  texel_type <span class="keyword">const</span>& Texel = Filter(Texture, Fetch, SamplePosition, Layer, Face, static_cast<sampler_value_type>(Level), texel_type(0));</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  Write(Texture, extent_type(i), Layer, Face, Level + 1, Texel);</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  }</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  }</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</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"> 43</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> texture_type, <span class="keyword">typename</span> sampler_value_type, <span class="keyword">typename</span> fetch_func, <span class="keyword">typename</span> write_func, <span class="keyword">typename</span> normalized_type, <span class="keyword">typename</span> texel_type></div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keyword">inline</span> <span class="keywordtype">void</span> generate_mipmaps_2d</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  (</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  texture_type & Texture, fetch_func Fetch, write_func Write,</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keyword">typename</span> texture_type::size_type BaseLayer, <span class="keyword">typename</span> texture_type::size_type MaxLayer,</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keyword">typename</span> texture_type::size_type BaseFace, <span class="keyword">typename</span> texture_type::size_type MaxFace,</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keyword">typename</span> texture_type::size_type BaseLevel, <span class="keyword">typename</span> texture_type::size_type MaxLevel,</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <a class="code" href="a00161.html#a610876e02cee64e29fe4376ffeb6b9b9">filter</a> Min</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  )</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="keyword">typedef</span> <span class="keyword">typename</span> detail::interpolate<sampler_value_type>::type interpolate_type;</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> texture_type::extent_type extent_type;</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> texture_type::size_type size_type;</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> extent_type::value_type component_type;</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> detail::filterBase<detail::DIMENSION_2D, texture_type, interpolate_type, normalized_type, fetch_func, texel_type>::filterFunc filter_func;</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> </div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  filter_func <span class="keyword">const</span> Filter = detail::get_filter<filter_func, detail::DIMENSION_2D, texture_type, interpolate_type, normalized_type, fetch_func, texel_type, sampler_value_type>(FILTER_NEAREST, Min, <span class="keyword">false</span>);</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  GLI_ASSERT(Filter);</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> </div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keywordflow">for</span>(size_type Layer = BaseLayer; Layer <= MaxLayer; ++Layer)</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keywordflow">for</span>(size_type Face = BaseFace; Face <= MaxFace; ++Face)</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keywordflow">for</span>(size_type Level = BaseLevel; Level < MaxLevel; ++Level)</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  {</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  extent_type <span class="keyword">const</span>& ExtentDst = Texture.extent(Level + 1);</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  normalized_type <span class="keyword">const</span>& Scale = normalized_type(1) / normalized_type(max(ExtentDst - extent_type(1), extent_type(1)));</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span> </div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keywordflow">for</span>(component_type j = 0; j < ExtentDst.y; ++j)</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keywordflow">for</span>(component_type i = 0; i < ExtentDst.x; ++i)</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  {</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  normalized_type <span class="keyword">const</span>& SamplePosition(normalized_type(i, j) * Scale);</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  texel_type <span class="keyword">const</span>& Texel = Filter(Texture, Fetch, SamplePosition, Layer, Face, static_cast<sampler_value_type>(Level), texel_type(0));</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  Write(Texture, extent_type(i, j), Layer, Face, Level + 1, Texel);</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  }</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  }</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</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"> 79</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> texture_type, <span class="keyword">typename</span> sampler_value_type, <span class="keyword">typename</span> fetch_func, <span class="keyword">typename</span> write_func, <span class="keyword">typename</span> normalized_type, <span class="keyword">typename</span> texel_type></div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keyword">inline</span> <span class="keywordtype">void</span> generate_mipmaps_3d</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  (</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  texture_type & Texture, fetch_func Fetch, write_func Write,</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keyword">typename</span> texture_type::size_type BaseLayer, <span class="keyword">typename</span> texture_type::size_type MaxLayer,</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keyword">typename</span> texture_type::size_type BaseFace, <span class="keyword">typename</span> texture_type::size_type MaxFace,</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keyword">typename</span> texture_type::size_type BaseLevel, <span class="keyword">typename</span> texture_type::size_type MaxLevel,</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <a class="code" href="a00161.html#a610876e02cee64e29fe4376ffeb6b9b9">filter</a> Min</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  )</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  {</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> detail::interpolate<sampler_value_type>::type interpolate_type;</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> texture_type::extent_type extent_type;</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> texture_type::size_type size_type;</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> extent_type::value_type component_type;</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> detail::filterBase<detail::DIMENSION_3D, texture_type, interpolate_type, normalized_type, fetch_func, texel_type>::filterFunc filter_func;</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span> </div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  filter_func <span class="keyword">const</span> Filter = detail::get_filter<filter_func, detail::DIMENSION_3D, texture_type, interpolate_type, normalized_type, fetch_func, texel_type, sampler_value_type>(FILTER_NEAREST, Min, <span class="keyword">false</span>);</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  GLI_ASSERT(Filter);</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span> </div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordflow">for</span>(size_type Layer = BaseLayer; Layer <= MaxLayer; ++Layer)</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keywordflow">for</span>(size_type Face = BaseFace; Face <= MaxFace; ++Face)</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keywordflow">for</span>(size_type Level = BaseLevel; Level < MaxLevel; ++Level)</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  {</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  extent_type <span class="keyword">const</span>& ExtentDst = Texture.extent(Level + 1);</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  normalized_type <span class="keyword">const</span>& Scale = normalized_type(1) / normalized_type(max(ExtentDst - extent_type(1), extent_type(1)));</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="keywordflow">for</span>(component_type k = 0; k < ExtentDst.z; ++k)</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keywordflow">for</span>(component_type j = 0; j < ExtentDst.y; ++j)</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keywordflow">for</span>(component_type i = 0; i < ExtentDst.x; ++i)</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>  normalized_type <span class="keyword">const</span>& SamplePosition(normalized_type(i, j, k) * Scale);</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  texel_type <span class="keyword">const</span>& Texel = Filter(Texture, Fetch, SamplePosition, Layer, Face, static_cast<sampler_value_type>(Level), texel_type(0));</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  Write(Texture, extent_type(i, j, k), Layer, Face, Level + 1, Texel);</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  }</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  }</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  }</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span> }<span class="comment">//namespace detail</span></div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span> }<span class="comment">//namespace gli</span></div><div class="ttc" id="a00161_html_a610876e02cee64e29fe4376ffeb6b9b9"><div class="ttname"><a href="a00161.html#a610876e02cee64e29fe4376ffeb6b9b9">gli::filter</a></div><div class="ttdeci">filter</div><div class="ttdoc">Texture filtring modes. </div><div class="ttdef"><b>Definition:</b> <a href="a00023_source.html#l00009">filter.hpp:9</a></div></div>
<div class="ttc" id="a00161_html"><div class="ttname"><a href="a00161.html">gli</a></div><div class="ttdoc">Namespace where all the classes and functions provided by GLI are exposed. </div><div class="ttdef"><b>Definition:</b> <a href="a00002_source.html#l00006">clear.hpp:6</a></div></div>
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