189 lines
18 KiB
HTML
189 lines
18 KiB
HTML
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
|
|
<html xmlns="http://www.w3.org/1999/xhtml">
|
|
<head>
|
|
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
|
|
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
|
|
<meta name="generator" content="Doxygen 1.8.10"/>
|
|
<title>0.8.2 API documentation: coord.hpp Source File</title>
|
|
<link href="tabs.css" rel="stylesheet" type="text/css"/>
|
|
<script type="text/javascript" src="jquery.js"></script>
|
|
<script type="text/javascript" src="dynsections.js"></script>
|
|
<link href="search/search.css" rel="stylesheet" type="text/css"/>
|
|
<script type="text/javascript" src="search/searchdata.js"></script>
|
|
<script type="text/javascript" src="search/search.js"></script>
|
|
<script type="text/javascript">
|
|
$(document).ready(function() { init_search(); });
|
|
</script>
|
|
<link href="doxygen.css" rel="stylesheet" type="text/css" />
|
|
</head>
|
|
<body>
|
|
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
|
|
<div id="titlearea">
|
|
<table cellspacing="0" cellpadding="0">
|
|
<tbody>
|
|
<tr style="height: 56px;">
|
|
<td id="projectlogo"><img alt="Logo" src="logo-mini.png"/></td>
|
|
<td id="projectalign" style="padding-left: 0.5em;">
|
|
<div id="projectname">0.8.2 API documentation
|
|
</div>
|
|
</td>
|
|
</tr>
|
|
</tbody>
|
|
</table>
|
|
</div>
|
|
<!-- end header part -->
|
|
<!-- Generated by Doxygen 1.8.10 -->
|
|
<script type="text/javascript">
|
|
var searchBox = new SearchBox("searchBox", "search",false,'Search');
|
|
</script>
|
|
<div id="navrow1" class="tabs">
|
|
<ul class="tablist">
|
|
<li><a href="index.html"><span>Main Page</span></a></li>
|
|
<li><a href="namespaces.html"><span>Namespaces</span></a></li>
|
|
<li><a href="annotated.html"><span>Classes</span></a></li>
|
|
<li class="current"><a href="files.html"><span>Files</span></a></li>
|
|
<li>
|
|
<div id="MSearchBox" class="MSearchBoxInactive">
|
|
<span class="left">
|
|
<img id="MSearchSelect" src="search/mag_sel.png"
|
|
onmouseover="return searchBox.OnSearchSelectShow()"
|
|
onmouseout="return searchBox.OnSearchSelectHide()"
|
|
alt=""/>
|
|
<input type="text" id="MSearchField" value="Search" accesskey="S"
|
|
onfocus="searchBox.OnSearchFieldFocus(true)"
|
|
onblur="searchBox.OnSearchFieldFocus(false)"
|
|
onkeyup="searchBox.OnSearchFieldChange(event)"/>
|
|
</span><span class="right">
|
|
<a id="MSearchClose" href="javascript:searchBox.CloseResultsWindow()"><img id="MSearchCloseImg" border="0" src="search/close.png" alt=""/></a>
|
|
</span>
|
|
</div>
|
|
</li>
|
|
</ul>
|
|
</div>
|
|
<div id="navrow2" class="tabs2">
|
|
<ul class="tablist">
|
|
<li><a href="files.html"><span>File List</span></a></li>
|
|
</ul>
|
|
</div>
|
|
<!-- window showing the filter options -->
|
|
<div id="MSearchSelectWindow"
|
|
onmouseover="return searchBox.OnSearchSelectShow()"
|
|
onmouseout="return searchBox.OnSearchSelectHide()"
|
|
onkeydown="return searchBox.OnSearchSelectKey(event)">
|
|
</div>
|
|
|
|
<!-- iframe showing the search results (closed by default) -->
|
|
<div id="MSearchResultsWindow">
|
|
<iframe src="javascript:void(0)" frameborder="0"
|
|
name="MSearchResults" id="MSearchResults">
|
|
</iframe>
|
|
</div>
|
|
|
|
<div id="nav-path" class="navpath">
|
|
<ul>
|
|
<li class="navelem"><a class="el" href="dir_934f46a345653ef2b3014a1b37a162c1.html">G:</a></li><li class="navelem"><a class="el" href="dir_98f7f9d41f9d3029bd68cf237526a774.html">Source</a></li><li class="navelem"><a class="el" href="dir_9344afb825aed5e2f5be1d2015dde43c.html">G-Truc</a></li><li class="navelem"><a class="el" href="dir_b73546165ac7e018753d96ca90d34595.html">gli</a></li><li class="navelem"><a class="el" href="dir_ae6bff3f3cf3c65a1db429f9020bb7b3.html">gli</a></li><li class="navelem"><a class="el" href="dir_2c398834837487e57bd8c53ea39543b9.html">core</a></li> </ul>
|
|
</div>
|
|
</div><!-- top -->
|
|
<div class="header">
|
|
<div class="headertitle">
|
|
<div class="title">coord.hpp</div> </div>
|
|
</div><!--header-->
|
|
<div class="contents">
|
|
<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 "../type.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="a00074.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> T, precision P, <span class="keyword">template</span> <<span class="keyword">typename</span>, precision> <span class="keyword">class </span>vecType></div>
|
|
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>  <span class="keyword">inline</span> vecType<bool, P> in_interval(vecType<T, P> <span class="keyword">const</span>& Value, vecType<T, P> <span class="keyword">const</span>& Min, vecType<T, P> <span class="keyword">const</span>& Max)</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>  <span class="keywordflow">return</span> greaterThanEqual(Value, Min) && lessThanEqual(Value, Max);</div>
|
|
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>  }</div>
|
|
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> </div>
|
|
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> extent_type, <span class="keyword">typename</span> normalized_type></div>
|
|
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>  <span class="keyword">struct </span>coord_nearest</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>  extent_type Texel;</div>
|
|
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>  <span class="keyword">typename</span> extent_type::bool_type UseTexel;</div>
|
|
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  };</div>
|
|
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> </div>
|
|
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> extent_type, <span class="keyword">typename</span> normalized_type></div>
|
|
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  <span class="keyword">inline</span> coord_nearest<extent_type, normalized_type> make_coord_nearest(extent_type <span class="keyword">const</span>& TexelExtent, normalized_type <span class="keyword">const</span>& SampleCoord)</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>  normalized_type <span class="keyword">const</span> TexelLast(normalized_type(TexelExtent) - normalized_type(1));</div>
|
|
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> </div>
|
|
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  coord_nearest<extent_type, normalized_type> Coord;</div>
|
|
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  Coord.Texel = extent_type(round(SampleCoord * TexelLast));</div>
|
|
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  Coord.UseTexel = in_interval(Coord.Texel, extent_type(0), TexelExtent - 1);</div>
|
|
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  <span class="keywordflow">return</span> Coord;</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> </div>
|
|
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> extent_type, <span class="keyword">typename</span> normalized_type></div>
|
|
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <span class="keyword">struct </span>coord_linear</div>
|
|
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  {</div>
|
|
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  extent_type TexelFloor;</div>
|
|
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  extent_type TexelCeil;</div>
|
|
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  normalized_type Blend;</div>
|
|
<div class="line"><a name="l00038"></a><span class="lineno"> 38</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"> 40</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> extent_type, <span class="keyword">typename</span> normalized_type></div>
|
|
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="keyword">struct </span>coord_linear_border : <span class="keyword">public</span> coord_linear<extent_type, normalized_type></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">typename</span> extent_type::bool_type UseTexelFloor;</div>
|
|
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keyword">typename</span> extent_type::bool_type UseTexelCeil;</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> </div>
|
|
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> extent_type, <span class="keyword">typename</span> normalized_type></div>
|
|
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  GLI_FORCE_INLINE coord_linear<extent_type, normalized_type> make_coord_linear(extent_type <span class="keyword">const</span>& TexelExtent, normalized_type <span class="keyword">const</span>& SampleCoord)</div>
|
|
<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>  coord_linear<extent_type, normalized_type> Coord;</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>  normalized_type <span class="keyword">const</span> TexelExtentF(TexelExtent);</div>
|
|
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  normalized_type <span class="keyword">const</span> TexelLast = TexelExtentF - normalized_type(1);</div>
|
|
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  normalized_type <span class="keyword">const</span> ScaledCoord(SampleCoord * TexelLast);</div>
|
|
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  normalized_type <span class="keyword">const</span> ScaledCoordFloor = normalized_type(extent_type(ScaledCoord));</div>
|
|
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  normalized_type <span class="keyword">const</span> ScaledCoordCeil = normalized_type(extent_type(ScaledCoord + normalized_type(0.5)));</div>
|
|
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="comment">//normalized_type const ScaledCoordFloor(floor(ScaledCoord));</span></div>
|
|
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="comment">//normalized_type const ScaledCoordCeil(ceil(ScaledCoord));</span></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>  Coord.Blend = ScaledCoord - ScaledCoordFloor;</div>
|
|
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  Coord.TexelFloor = extent_type(ScaledCoordFloor);</div>
|
|
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  Coord.TexelCeil = extent_type(ScaledCoordCeil);</div>
|
|
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> </div>
|
|
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keywordflow">return</span> Coord;</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> </div>
|
|
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> extent_type, <span class="keyword">typename</span> normalized_type></div>
|
|
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  GLI_FORCE_INLINE coord_linear_border<extent_type, normalized_type> make_coord_linear_border(extent_type <span class="keyword">const</span>& TexelExtent, normalized_type <span class="keyword">const</span>& SampleCoord)</div>
|
|
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  {</div>
|
|
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  coord_linear_border<extent_type, normalized_type> Coord;</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> TexelExtentF(TexelExtent);</div>
|
|
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  normalized_type <span class="keyword">const</span> TexelLast = TexelExtentF - normalized_type(1);</div>
|
|
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  normalized_type <span class="keyword">const</span> ScaledCoord(SampleCoord * TexelLast);</div>
|
|
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  normalized_type <span class="keyword">const</span> ScaledCoordFloor(floor(ScaledCoord));</div>
|
|
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  normalized_type <span class="keyword">const</span> ScaledCoordCeil(ceil(ScaledCoord));</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>  Coord.Blend = ScaledCoord - ScaledCoordFloor;</div>
|
|
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  Coord.TexelFloor = extent_type(ScaledCoordFloor);</div>
|
|
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  Coord.TexelCeil = extent_type(ScaledCoordCeil);</div>
|
|
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  Coord.UseTexelFloor = in_interval(Coord.TexelFloor, extent_type(0), TexelExtent - 1);</div>
|
|
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  Coord.UseTexelCeil = in_interval(Coord.TexelCeil, extent_type(0), TexelExtent - 1);</div>
|
|
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> </div>
|
|
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keywordflow">return</span> Coord;</div>
|
|
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  }</div>
|
|
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span> }<span class="comment">//namespace detail</span></div>
|
|
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span> }<span class="comment">//namespace gli</span></div>
|
|
<div class="ttc" id="a00074_html"><div class="ttname"><a href="a00074.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="a00020_source.html#l00006">clear.hpp:6</a></div></div>
|
|
</div><!-- fragment --></div><!-- contents -->
|
|
<!-- start footer part -->
|
|
<hr class="footer"/><address class="footer"><small>
|
|
Generated by  <a href="http://www.doxygen.org/index.html">
|
|
<img class="footer" src="doxygen.png" alt="doxygen"/>
|
|
</a> 1.8.10
|
|
</small></address>
|
|
</body>
|
|
</html>
|