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doxygen="_cgi:http://www.nevrax.org/cgi-bin/nel-search.cgi" href="http://www.nevrax.org/cgi-bin/nel-search.cgi">Search</a> </center> +<hr><h1>load_balancing_trav.h</h1><a href="load__balancing__trav_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001 +00007 <font class="comment">/* Copyright, 2001 Nevrax Ltd.</font> +00008 <font class="comment"> *</font> +00009 <font class="comment"> * This file is part of NEVRAX NEL.</font> +00010 <font class="comment"> * NEVRAX NEL is free software; you can redistribute it and/or modify</font> +00011 <font class="comment"> * it under the terms of the GNU General Public License as published by</font> +00012 <font class="comment"> * the Free Software Foundation; either version 2, or (at your option)</font> +00013 <font class="comment"> * any later version.</font> +00014 <font class="comment"></font> +00015 <font class="comment"> * NEVRAX NEL is distributed in the hope that it will be useful, but</font> +00016 <font class="comment"> * WITHOUT ANY WARRANTY; without even the implied warranty of</font> +00017 <font class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</font> +00018 <font class="comment"> * General Public License for more details.</font> +00019 <font class="comment"></font> +00020 <font class="comment"> * You should have received a copy of the GNU General Public License</font> +00021 <font class="comment"> * along with NEVRAX NEL; see the file COPYING. If not, write to the</font> +00022 <font class="comment"> * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,</font> +00023 <font class="comment"> * MA 02111-1307, USA.</font> +00024 <font class="comment"> */</font> +00025 +00026 <font class="preprocessor">#ifndef NL_LOAD_BALANCING_TRAV_H</font> +00027 <font class="preprocessor"></font><font class="preprocessor">#define NL_LOAD_BALANCING_TRAV_H</font> +00028 <font class="preprocessor"></font> +00029 <font class="preprocessor">#include "<a class="code" href="types__nl_8h.html">nel/misc/types_nl.h</a>"</font> +00030 <font class="preprocessor">#include "<a class="code" href="matrix_8h.html">nel/misc/matrix.h</a>"</font> +00031 <font class="preprocessor">#include "<a class="code" href="plane_8h.html">nel/misc/plane.h</a>"</font> +00032 <font class="preprocessor">#include "<a class="code" href="trav__scene_8h.html">3d/trav_scene.h</a>"</font> +00033 <font class="preprocessor">#include "<a class="code" href="value__smoother_8h.html">nel/misc/value_smoother.h</a>"</font> +00034 +00035 +00036 <font class="keyword">namespace </font>NL3D +00037 { +00038 +00039 +00040 <font class="keyword">using</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a>; +00041 <font class="keyword">using</font> <a class="code" href="classNLMISC_1_1CPlane.html">NLMISC::CPlane</a>; +00042 <font class="keyword">using</font> <a class="code" href="classNLMISC_1_1CMatrix.html">NLMISC::CMatrix</a>; +00043 +00044 +00045 <font class="keyword">class </font>IBaseLoadBalancingObs; +00046 <font class="keyword">class </font>IBaseHrcObs; +00047 <font class="keyword">class </font>IBaseClipObs; +00048 <font class="keyword">class </font>CClipTrav; +00049 <font class="keyword">class </font>CLoadBalancingTrav; +00050 +00051 +00052 <font class="comment">// ***************************************************************************</font> +00053 <font class="comment">// ClassIds.</font> +00054 <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CClassId.html">NLMISC::CClassId</a> <a class="code" href="namespaceNL3D.html#a93">LoadBalancingTravId</a>=<a class="code" href="classNLMISC_1_1CClassId.html">NLMISC::CClassId</a>(0x7181548, 0x36ad3c10); +00055 +00056 +00057 <font class="comment">// ***************************************************************************</font> +<a name="l00067"></a><a class="code" href="classNL3D_1_1CLoadBalancingGroup.html">00067</a> <font class="comment"></font><font class="keyword">class </font>CLoadBalancingGroup +00068 { +00069 <font class="keyword">public</font>: +00070 <font class="comment">// see CScene.</font> +<a name="l00071"></a><a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#s4">00071</a> <font class="keyword">enum</font> <a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#s4">TPolygonBalancingMode</a> {<a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#s4s0">PolygonBalancingOff</a>=0, <a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#s4s1">PolygonBalancingOn</a>, <a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#s4s2">PolygonBalancingClamp</a>, <a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#s4s3">CountPolygonBalancing</a> }; +00072 +00073 <font class="keyword">public</font>: +00074 <font class="comment">// Name of the group.</font> +<a name="l00075"></a><a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#m0">00075</a> std::string <a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#m0">Name</a>; +00076 +00077 <font class="keyword">public</font>: +00078 <a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#a0">CLoadBalancingGroup</a>(); +00079 +<a name="l00080"></a><a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#a1">00080</a> <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#a1">setNbFaceWanted</a>(uint nFaces) {<a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#o2">_NbFaceWanted</a>= nFaces;} +<a name="l00081"></a><a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#a2">00081</a> uint <a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#a2">getNbFaceWanted</a>()<font class="keyword"> const </font>{<font class="keywordflow">return</font> <a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#o2">_NbFaceWanted</a>;} +00082 +<a name="l00083"></a><a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#a3">00083</a> <font class="keywordtype">float</font> <a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#a3">getNbFaceAsked</a> ()<font class="keyword"> const </font>{<font class="keywordflow">return</font> <a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#o1">_NbFacePass0</a>;} +00084 +00085 <font class="keyword">public</font>: +00086 <font class="comment">// ONLY FOR OBSERVERS</font> +<a name="l00087"></a><a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#a4">00087</a> <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#a4">addNbFacesPass0</a>(<font class="keywordtype">float</font> <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>) {<a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#o1">_NbFacePass0</a>+= <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>;} +00088 +<a name="l00090"></a><a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#a5">00090</a> <font class="keywordtype">float</font> <a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#a5">computeModelNbFace</a>(<font class="keywordtype">float</font> faceIn) {<font class="keywordflow">return</font> faceIn * <a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#o3">_FaceRatio</a>;} +00091 +00092 <font class="keyword">private</font>: +<a name="l00093"></a><a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#l0">00093</a> <font class="keyword">friend</font> <font class="keyword">class </font><a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#l0">CLoadBalancingTrav</a>; +00094 +00095 <font class="comment">// DefaultGroup means LoadBalancing disabled.</font> +<a name="l00096"></a><a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#o0">00096</a> <font class="keywordtype">bool</font> <a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#o0">_DefaultGroup</a>; +00097 +00098 <font class="comment">// The number of faces count in Pass0.</font> +<a name="l00099"></a><a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#o1">00099</a> <font class="keywordtype">float</font> <a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#o1">_NbFacePass0</a>; +00100 +00101 <font class="comment">// The number of face the user want</font> +<a name="l00102"></a><a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#o2">00102</a> uint <a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#o2">_NbFaceWanted</a>; +00103 +00104 <font class="comment">// use this ratio into Pass 1 to reduce faces.</font> +<a name="l00105"></a><a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#o3">00105</a> <font class="keywordtype">float</font> <a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#o3">_FaceRatio</a>; +00106 +00107 <font class="comment">// To smooth the faceRatio</font> +<a name="l00108"></a><a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#o4">00108</a> <a class="code" href="classNLMISC_1_1CValueSmoother.html">NLMISC::CValueSmoother</a> <a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#o4">_ValueSmoother</a>; +00109 <font class="comment">// Balancing Mode</font> +<a name="l00110"></a><a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#o5">00110</a> <a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#s4">TPolygonBalancingMode</a> <a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#o5">_PrecPolygonBalancingMode</a>; +00111 +00112 <font class="comment">// as it sounds..</font> +00113 <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#c0">computeRatioAndSmooth</a>(<a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#s4">TPolygonBalancingMode</a> polMode); +00114 }; +00115 +00116 +00117 +00118 <font class="comment">// ***************************************************************************</font> +<a name="l00129"></a><a class="code" href="classNL3D_1_1CLoadBalancingTrav.html">00129</a> <font class="comment"></font><font class="keyword">class </font>CLoadBalancingTrav : <font class="keyword">public</font> ITravCameraScene +00130 { +00131 <font class="keyword">public</font>: +00132 +00134 <a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#a0">CLoadBalancingTrav</a>(); +00135 +00136 +00138 +00139 IObs *<a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#z527_0">createDefaultObs</a>() <font class="keyword">const</font>; +<a name="l00140"></a><a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#z527_1">00140</a> NLMISC::CClassId <a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#z527_1">getClassId</a>()<font class="keyword"> const </font>{<font class="keywordflow">return</font> LoadBalancingTravId;} +<a name="l00144"></a><a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#z527_2">00144</a> sint <a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#z527_2">getRenderOrder</a>()<font class="keyword"> const </font>{<font class="keywordflow">return</font> 2300;} +00145 <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#z527_3">traverse</a>(); +00147 +00148 +00150 +00151 +00152 <font class="comment">// The PolygonBalancingMode</font> +<a name="l00153"></a><a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#z528_0">00153</a> <font class="keyword">typedef</font> CLoadBalancingGroup::TPolygonBalancingMode <a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#z528_0">TPolygonBalancingMode</a>; +<a name="l00154"></a><a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#z528_5">00154</a> <a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#z528_0">TPolygonBalancingMode</a> <a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#z528_5">PolygonBalancingMode</a>; +00155 +00156 +00160 <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#z528_1">setGroupNbFaceWanted</a>(<font class="keyword">const</font> std::string &group, uint nFaces); +00161 +00165 uint <a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#z528_2">getGroupNbFaceWanted</a>(<font class="keyword">const</font> std::string &group); +00166 +00167 +00171 <font class="keywordtype">float</font> <a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#z528_3">getGroupNbFaceAsked</a> (<font class="keyword">const</font> std::string &group) <font class="keyword">const</font>; +00172 +00174 <font class="keywordtype">float</font> <a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#z528_4">getNbFaceAsked</a> () <font class="keyword">const</font>; +00175 +00177 +00178 +00179 <font class="keyword">public</font>: +00180 <font class="comment">// ONLY FOR OBSERVERS</font> +<a name="l00181"></a><a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#a1">00181</a> uint <a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#a1">getLoadPass</a>() {<font class="keywordflow">return</font> <a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#o0">_LoadPass</a>;} +00182 +<a name="l00183"></a><a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#a2">00183</a> CLoadBalancingGroup *<a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#a2">getDefaultGroup</a>() {<font class="keywordflow">return</font> <a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#o2">_DefaultGroup</a>;} +00184 +00185 <font class="comment">// Get a group by name, create if needed.</font> +00186 CLoadBalancingGroup *<a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#a3">getOrCreateGroup</a>(<font class="keyword">const</font> std::string &group); +00187 +00188 +00189 <font class="comment">// For clipTrav. cleared at beginning of CClipTrav::traverse</font> +00190 <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#a4">clearVisibleList</a>(); +00191 +00192 <font class="comment">// For ClipObservers only. NB: list is cleared at begining of traverse().</font> +00193 <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#a5">addVisibleObs</a>(IBaseLoadBalancingObs *obs); +00194 +00195 <font class="comment">// **************</font> +00196 <font class="keyword">private</font>: +00197 <font class="comment">// Pass: 0 (compute faceCount from all models) or 1 (setup wanted faceCount).</font> +<a name="l00198"></a><a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#o0">00198</a> uint <a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#o0">_LoadPass</a>; +00199 +00200 <font class="comment">// The sum of all Pass0 groups.</font> +<a name="l00201"></a><a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#o1">00201</a> <font class="keywordtype">float</font> <a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#o1">_SumNbFacePass0</a>; +00202 +00203 <font class="comment">// The loadBalancing balance only visible objects.</font> +00204 <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#c0">traverseVisibilityList</a>(); +00205 +00206 +00207 <font class="comment">// The groups.</font> +<a name="l00208"></a><a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#o2">00208</a> CLoadBalancingGroup *<a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#o2">_DefaultGroup</a>; +<a name="l00209"></a><a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#u0">00209</a> <font class="keyword">typedef</font> std::map<std::string, CLoadBalancingGroup> <a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#u0">TGroupMap</a>; +<a name="l00210"></a><a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#u1">00210</a> <font class="keyword">typedef</font> TGroupMap::iterator <a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#u1">ItGroupMap</a>; +<a name="l00211"></a><a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#o3">00211</a> <a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#u0">TGroupMap</a> <a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#o3">_GroupMap</a>; +00212 +00213 <font class="comment">// traverse list of model visible and usefull to loadBalance.</font> +<a name="l00214"></a><a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#o4">00214</a> std::vector<IBaseLoadBalancingObs*> <a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#o4">_VisibleList</a>; +00215 +00216 }; +00217 +00218 +00219 <font class="comment">// ***************************************************************************</font> +<a name="l00236"></a><a class="code" href="classNL3D_1_1IBaseLoadBalancingObs.html">00236</a> <font class="comment"></font><font class="keyword">class </font>IBaseLoadBalancingObs : <font class="keyword">public</font> IObs +00237 { +00238 <font class="keyword">public</font>: +<a name="l00240"></a><a class="code" href="classNL3D_1_1IBaseLoadBalancingObs.html#m0">00240</a> IBaseHrcObs *<a class="code" href="classNL3D_1_1IBaseLoadBalancingObs.html#m0">HrcObs</a>; +<a name="l00241"></a><a class="code" href="classNL3D_1_1IBaseLoadBalancingObs.html#m1">00241</a> IBaseClipObs *<a class="code" href="classNL3D_1_1IBaseLoadBalancingObs.html#m1">ClipObs</a>; +00242 +00243 <font class="comment">// Which group owns this model</font> +<a name="l00244"></a><a class="code" href="classNL3D_1_1IBaseLoadBalancingObs.html#m2">00244</a> CLoadBalancingGroup *<a class="code" href="classNL3D_1_1IBaseLoadBalancingObs.html#m2">LoadBalancingGroup</a>; +00245 +00246 <font class="keyword">public</font>: +00247 +<a name="l00249"></a><a class="code" href="classNL3D_1_1IBaseLoadBalancingObs.html#a0">00249</a> <a class="code" href="classNL3D_1_1IBaseLoadBalancingObs.html#a0">IBaseLoadBalancingObs</a>() +00250 { +00251 <a class="code" href="classNL3D_1_1IBaseLoadBalancingObs.html#m0">HrcObs</a>=NULL; +00252 <a class="code" href="classNL3D_1_1IBaseLoadBalancingObs.html#m1">ClipObs</a>= NULL; +00253 } +00255 <font class="keyword">virtual</font> <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1IBaseLoadBalancingObs.html#a1">init</a>(); +00256 +00257 +00259 +00260 <font class="keyword">virtual</font> <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1IBaseLoadBalancingObs.html#z529_0">traverse</a>(<a class="code" href="classNL3D_1_1IObs.html#a0">IObs</a> *caller) =0; +00262 +00263 +00264 }; +00265 +00266 +00267 <font class="comment">// ***************************************************************************</font> +<a name="l00279"></a><a class="code" href="classNL3D_1_1CDefaultLoadBalancingObs.html">00279</a> <font class="comment"></font><font class="keyword">class </font>CDefaultLoadBalancingObs : <font class="keyword">public</font> IBaseLoadBalancingObs +00280 { +00281 <font class="keyword">public</font>: +00282 +00283 +<a name="l00285"></a><a class="code" href="classNL3D_1_1CDefaultLoadBalancingObs.html#a0">00285</a> <a class="code" href="classNL3D_1_1CDefaultLoadBalancingObs.html#a0">CDefaultLoadBalancingObs</a>() {} +00286 +00288 +<a name="l00289"></a><a class="code" href="classNL3D_1_1CDefaultLoadBalancingObs.html#z530_0">00289</a> <font class="keyword">virtual</font> <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1CDefaultLoadBalancingObs.html#z530_0">traverse</a>(<a class="code" href="classNL3D_1_1IObs.html#a0">IObs</a> *caller) +00290 { +00291 <font class="comment">// no need to traverseSons. No graph here.</font> +00292 } +00294 +00295 }; +00296 +00297 +00298 } <font class="comment">// NL3D</font> +00299 +00300 +00301 <font class="preprocessor">#endif // NL_LOAD_BALANCING_TRAV_H</font> +00302 <font class="preprocessor"></font> +00303 <font class="comment">/* End of load_balancing_trav.h */</font> +</pre></div> + +<!-- footer --> +<BR><FONT Size=+5> </FONT> +</TD> +<TD WIDTH=15><IMG SRC=http://www.nevrax.org/inc/img/pixel.gif WIDTH=15 HEIGHT=15 BORDER=0 ALT=""></TD> +</TR> +</TABLE> +</BODY> +</HTML> |