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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// This Source Code Form is subject to the terms of the Mozilla Public</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// License, v. 2.0. If a copy of the MPL was not distributed with this</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// file, You can obtain one at http://mozilla.org/MPL/2.0/.</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="preprocessor">#pragma once</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="preprocessor">#include <OpenGP/types.h></span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor">#include <OpenGP/headeronly.h></span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="preprocessor">#include <OpenGP/GL/SceneObject.h></span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> </div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">//=============================================================================</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="keyword">namespace </span><a class="code" href="namespace_open_g_p.html">OpenGP</a> {</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> </div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="keyword">class </span>SegmentsRenderer : <span class="keyword">public</span> SceneObject{</div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span>  <span class="keyword">typedef</span> std::vector<std::pair<Vec3, Vec3>> Segments;</div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="keyword">protected</span>:</div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span>  VertexArrayObject _vao; </div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  MatMxN _data; </div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span>  ArrayBuffer<Vec3> _buffer_vpos; </div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  ArrayBuffer<Vec3> _buffer_vcolor; </div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> </div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  SegmentsRenderer(){}</div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  SegmentsRenderer(<span class="keyword">const</span> Segments& segments){ load(segments); }</div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  SegmentsRenderer(<span class="keyword">const</span> MatMxN& P1, <span class="keyword">const</span> MatMxN& P2){ load(P1,P2); }</div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="keyword">protected</span>:</div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  HEADERONLY_INLINE <span class="keywordtype">void</span> load(<span class="keyword">const</span> MatMxN& P1, <span class="keyword">const</span> MatMxN& P2);</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  HEADERONLY_INLINE <span class="keywordtype">void</span> load(<span class="keyword">const</span> Segments& segments);</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> </div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="keyword">public</span>: </div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  HEADERONLY_INLINE <span class="keywordtype">void</span> init();</div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  HEADERONLY_INLINE <span class="keywordtype">void</span> display();</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  HEADERONLY_INLINE Box3 bounding_box();</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> </div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="keyword">protected</span>:</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keyword">const</span> GLchar* vshader = R<span class="stringliteral">"GLSL( </span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="stringliteral"> #version 330</span></div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="stringliteral"> uniform mat4 M; </span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="stringliteral"> uniform mat4 MV; </span></div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="stringliteral"> uniform mat4 MVP;</span></div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="stringliteral"> in vec3 vpoint;</span></div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="stringliteral"> in vec3 vcolor;</span></div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="stringliteral"> out vec3 fcolor;</span></div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="stringliteral"> void main() { </span></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="stringliteral"> gl_Position = MVP * vec4(vpoint, 1.0);</span></div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="stringliteral"> fcolor = vcolor;</span></div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="stringliteral"> }</span></div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="stringliteral"> )GLSL";</span></div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="stringliteral"> </span></div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="stringliteral"> </span><span class="keyword">const</span> <span class="keywordtype">char</span>* fshader = R<span class="stringliteral">"GLSL(</span></div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="stringliteral"> #version 330</span></div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="stringliteral"> in vec3 fcolor;</span></div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="stringliteral"> out vec4 color;</span></div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="stringliteral"> void main(){ color = vec4(fcolor,1); } </span></div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="stringliteral"> )GLSL";</span></div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="stringliteral">};</span></div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="stringliteral"></span></div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="stringliteral"></span><span class="comment">//=============================================================================</span></div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> </div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="keywordtype">void</span> SegmentsRenderer::load(<span class="keyword">const</span> MatMxN &P1, <span class="keyword">const</span> MatMxN &P2){ </div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  CHECK(P1.cols() == P2.cols());</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  CHECK((P1.rows() == 3) && (P2.rows() == 3));</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  _data.resize( 3, 2*P1.cols() );</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i=0; i<P1.cols(); i++){</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  _data.col(i*2+0) = P1.col(i);</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  _data.col(i*2+1) = P2.col(i);</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  }</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> </div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="keywordtype">void</span> SegmentsRenderer::load(<span class="keyword">const</span> SegmentsRenderer::Segments &segments){</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  _data.resize( 3, 2*segments.size() );</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keywordflow">for</span>(uint i=0; i<segments.size(); i++){</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  _data.col(i*2+0) = segments[i].first;</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  _data.col(i*2+1) = segments[i].second;</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> }</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span> </div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span> <span class="keywordtype">void</span> SegmentsRenderer::init(){</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  program.add_vshader_from_source(vshader);</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  program.add_fshader_from_source(fshader);</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  program.link();</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  </div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  _buffer_vpos.upload_raw(_data.data(), _data.cols());</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  </div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  program.bind();</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  _vao.bind();</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  program.set_attribute(<span class="stringliteral">"vpoint"</span>, _buffer_vpos); </div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  program.set_attribute(<span class="stringliteral">"vcolor"</span>, color); </div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  _vao.unbind();</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  program.unbind(); </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> </div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span> <span class="keywordtype">void</span> SegmentsRenderer::display(){</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keywordflow">if</span> (_data.cols()==0) <span class="keywordflow">return</span>;</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  _vao.bind();</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  program.bind();</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  glDrawArrays(GL_LINES, 0, _data.cols());</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  program.unbind();</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  _vao.unbind();</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span> }</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span> </div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span> Box3 SegmentsRenderer::bounding_box(){</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  Box3 box;</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  Vec3 _min = _data.rowwise().minCoeff();</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  Vec3 _max = _data.rowwise().maxCoeff();</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keywordflow">return</span> Box3(_min, _max);</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">//=============================================================================</span></div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span> } <span class="comment">// namespace OpenGP</span></div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span> <span class="comment">//=============================================================================</span></div><div class="ttc" id="namespace_open_g_p_html"><div class="ttname"><a href="namespace_open_g_p.html">OpenGP</a></div><div class="ttdef"><b>Definition:</b> VirtualDepthSensor.h:19</div></div>
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