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authorneodarz <neodarz@neodarz.net>2018-08-11 20:21:34 +0200
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+<hr><h1>vegetablevb_allocator.cpp</h1><a href="vegetablevb__allocator_8cpp.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">#include "<a class="code" href="std3d_8h.html">std3d.h</a>"</font>
+00027
+00028
+00029 <font class="preprocessor">#include "<a class="code" href="vegetablevb__allocator_8h.html">3d/vegetablevb_allocator.h</a>"</font>
+00030 <font class="preprocessor">#include "<a class="code" href="vegetable__def_8h.html">3d/vegetable_def.h</a>"</font>
+00031
+00032
+00033 <font class="keyword">using</font> <font class="keyword">namespace </font>std;
+00034 <font class="keyword">using</font> <font class="keyword">namespace </font>NLMISC;
+00035
+00036 <font class="keyword">namespace </font>NL3D
+00037 {
+00038
+00039
+00040 <font class="comment">/*</font>
+00041 <font class="comment"> Once a reallocation of a VBHard occurs, how many vertices we add to the re-allocation, to avoid </font>
+00042 <font class="comment"> as possible reallocations.</font>
+00043 <font class="comment">*/</font>
+<a name="l00044"></a><a class="code" href="vegetablevb__allocator_8cpp.html#a0">00044</a> <font class="preprocessor">#define NL3D_VEGETABLE_VERTEX_ALLOCATE_SECURITY 1024</font>
+00045 <font class="preprocessor"></font><font class="comment">/*</font>
+00046 <font class="comment"> The start size of the array.</font>
+00047 <font class="comment">*/</font>
+<a name="l00048"></a><a class="code" href="vegetablevb__allocator_8cpp.html#a1">00048</a> <font class="preprocessor">#define NL3D_VEGETABLE_VERTEX_ALLOCATE_START 4048</font>
+00049 <font class="preprocessor"></font>
+00050
+<a name="l00051"></a><a class="code" href="vegetablevb__allocator_8cpp.html#a2">00051</a> <font class="preprocessor">#define NL3D_VEGETABLE_VERTEX_FREE_MEMORY_RESERVE 1024</font>
+00052 <font class="preprocessor"></font>
+00053
+00054 <font class="comment">// ***************************************************************************</font>
+<a name="l00055"></a><a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#a0">00055</a> CVegetableVBAllocator::CVegetableVBAllocator()
+00056 {
+00057 <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#o0">_Type</a>= <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#s3s1">VBTypeUnlit</a>;
+00058 <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_9">_MaxVertexInBufferHard</a>= 0;
+00059
+00060 <font class="comment">// Init free list</font>
+00061 <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#o1">_VertexFreeMemory</a>.reserve(<a class="code" href="vegetablevb__allocator_8cpp.html#a2">NL3D_VEGETABLE_VERTEX_FREE_MEMORY_RESERVE</a>);
+00062 <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#o3">_NumVerticesAllocated</a>= 0;
+00063
+00064 <font class="comment">// Init vbhard</font>
+00065 <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_5">_VBHardOk</a>= <font class="keyword">false</font>;
+00066 <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_7">_BufferLocked</a>= <font class="keyword">false</font>;
+00067 <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_8">_AGPBufferPtr</a>= NULL;
+00068 }
+00069
+00070
+00071 <font class="comment">// ***************************************************************************</font>
+<a name="l00072"></a><a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#a2">00072</a> <font class="keywordtype">void</font> CVegetableVBAllocator::init(TVBType <a class="code" href="driver__opengl__extension__def_8h.html#a240">type</a>, <a class="code" href="types__nl_8h.html#a13">uint</a> maxVertexInBufferHard)
+00073 {
+00074 <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#o0">_Type</a>= <a class="code" href="driver__opengl__extension__def_8h.html#a240">type</a>;
+00075 <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_9">_MaxVertexInBufferHard</a>= maxVertexInBufferHard;
+00076
+00077 <font class="comment">// According to _Type, build VB format, and create VertexProgram</font>
+00078 <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_2">setupVBFormat</a>();
+00079 }
+00080
+00081
+00082 <font class="comment">// ***************************************************************************</font>
+<a name="l00083"></a><a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#a1">00083</a> CVegetableVBAllocator::~CVegetableVBAllocator()
+00084 {
+00085 <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#a4">clear</a>();
+00086 }
+00087
+00088 <font class="comment">// ***************************************************************************</font>
+<a name="l00089"></a><a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#a3">00089</a> <font class="keywordtype">void</font> CVegetableVBAllocator::updateDriver(IDriver *driver)
+00090 {
+00091 <font class="comment">// test change of driver.</font>
+00092 <a class="code" href="debug_8h.html#a6">nlassert</a>(driver &amp;&amp; !<a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_7">_BufferLocked</a>);
+00093 <font class="comment">// If change of driver</font>
+00094 <font class="keywordflow">if</font>( <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_4">_Driver</a>==NULL || driver!=<a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_4">_Driver</a> )
+00095 {
+00096 <font class="comment">// delete old VBHard.</font>
+00097 <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_0">deleteVertexBufferHard</a>();
+00098 <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_4">_Driver</a>= driver;
+00099 <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_5">_VBHardOk</a>= (<a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_9">_MaxVertexInBufferHard</a>&gt;0) &amp;&amp; (<a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_4">_Driver</a>-&gt;supportVertexBufferHard());
+00100
+00101 <font class="comment">// Driver must support VP.</font>
+00102 <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_4">_Driver</a>-&gt;isVertexProgramSupported());
+00103
+00104 <font class="comment">// must reallocate the VertexBuffer.</font>
+00105 <font class="keywordflow">if</font>( <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#o3">_NumVerticesAllocated</a>&gt;0 )
+00106 <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_1">allocateVertexBufferAndFillVBHard</a>(<a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#o3">_NumVerticesAllocated</a>);
+00107 }
+00108 <font class="keywordflow">else</font>
+00109 {
+00110 <font class="comment">// if VBHard possible, and if vbHardDeleted but space needed, reallocate.</font>
+00111 <font class="keywordflow">if</font>( <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_5">_VBHardOk</a> &amp;&amp; <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_6">_VBHard</a>==NULL &amp;&amp; <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#o3">_NumVerticesAllocated</a>&gt;0 )
+00112 <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_1">allocateVertexBufferAndFillVBHard</a>(<a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#o3">_NumVerticesAllocated</a>);
+00113 }
+00114
+00115 }
+00116
+00117 <font class="comment">// ***************************************************************************</font>
+<a name="l00118"></a><a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#a4">00118</a> <font class="keywordtype">void</font> CVegetableVBAllocator::clear()
+00119 {
+00120 <font class="comment">// clear list.</font>
+00121 <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#o1">_VertexFreeMemory</a>.clear();
+00122 <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#o3">_NumVerticesAllocated</a>= 0;
+00123
+00124 <font class="comment">// delete the VB.</font>
+00125 <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_0">deleteVertexBufferHard</a>();
+00126 <font class="comment">// really delete the VB soft too</font>
+00127 <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_3">_VB</a>.deleteAllVertices();
+00128
+00129 <font class="comment">// clear other states.</font>
+00130 <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_4">_Driver</a>= NULL;
+00131 <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_5">_VBHardOk</a>= <font class="keyword">false</font>;
+00132 }
+00133
+00134
+00135 <font class="comment">// ***************************************************************************</font>
+<a name="l00136"></a><a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z822_3">00136</a> <font class="keywordtype">void</font> CVegetableVBAllocator::lockBuffer()
+00137 {
+00138 <font class="comment">// force unlock</font>
+00139 <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z822_4">unlockBuffer</a>();
+00140
+00141 <font class="keywordflow">if</font>(_VBHard)
+00142 {
+00143 <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_8">_AGPBufferPtr</a>= (<a class="code" href="types__nl_8h.html#a5">uint8</a>*)<a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_6">_VBHard</a>-&gt;lock();
+00144 }
+00145
+00146 <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_7">_BufferLocked</a>= <font class="keyword">true</font>;
+00147 }
+00148
+00149 <font class="comment">// ***************************************************************************</font>
+<a name="l00150"></a><a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z822_4">00150</a> <font class="keywordtype">void</font> CVegetableVBAllocator::unlockBuffer()
+00151 {
+00152 <font class="keywordflow">if</font>(_BufferLocked)
+00153 {
+00154 <font class="keywordflow">if</font>(_VBHard)
+00155 <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_6">_VBHard</a>-&gt;unlock();
+00156 <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_7">_BufferLocked</a>= <font class="keyword">false</font>;
+00157 <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_8">_AGPBufferPtr</a>= NULL;
+00158 }
+00159 }
+00160
+00161
+00162 <font class="comment">// ***************************************************************************</font>
+<a name="l00163"></a><a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z821_1">00163</a> <a class="code" href="types__nl_8h.html#a13">uint</a> CVegetableVBAllocator::getNumUserVerticesAllocated()<font class="keyword"> const</font>
+00164 <font class="keyword"></font>{
+00165 <font class="comment">// get the number of vertices which are allocated by allocateVertex().</font>
+00166 <font class="keywordflow">return</font> <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#o3">_NumVerticesAllocated</a> - <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#o1">_VertexFreeMemory</a>.size();
+00167 }
+00168
+00169 <font class="comment">// ***************************************************************************</font>
+<a name="l00170"></a><a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z821_0">00170</a> <font class="keywordtype">bool</font> CVegetableVBAllocator::exceedMaxVertexInBufferHard(<a class="code" href="types__nl_8h.html#a13">uint</a> numAddVerts)<font class="keyword"> const</font>
+00171 <font class="keyword"></font>{
+00172 <font class="keywordflow">return</font> (<a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z821_1">getNumUserVerticesAllocated</a>() + numAddVerts) &gt; <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_9">_MaxVertexInBufferHard</a>;
+00173 }
+00174
+00175
+00176 <font class="comment">// ***************************************************************************</font>
+<a name="l00177"></a><a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z821_2">00177</a> <a class="code" href="types__nl_8h.html#a13">uint</a> CVegetableVBAllocator::allocateVertex()
+00178 {
+00179 <font class="comment">// if no more free, allocate.</font>
+00180 <font class="keywordflow">if</font>( <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#o1">_VertexFreeMemory</a>.size()==0 )
+00181 {
+00182 <font class="comment">// enlarge capacity.</font>
+00183 <a class="code" href="types__nl_8h.html#a13">uint</a> newResize;
+00184 <font class="keywordflow">if</font>(<a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#o3">_NumVerticesAllocated</a>==0)
+00185 newResize= <a class="code" href="vegetablevb__allocator_8cpp.html#a1">NL3D_VEGETABLE_VERTEX_ALLOCATE_START</a>;
+00186 <font class="keywordflow">else</font>
+00187 newResize= <a class="code" href="vegetablevb__allocator_8cpp.html#a0">NL3D_VEGETABLE_VERTEX_ALLOCATE_SECURITY</a>;
+00188 <font class="comment">// try to not overlap _MaxVertexInBufferHard limit, to avoid VBufferHard to be disabled.</font>
+00189 <font class="keywordflow">if</font>(_NumVerticesAllocated&lt;_MaxVertexInBufferHard &amp;&amp; _NumVerticesAllocated+newResize &gt; <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_9">_MaxVertexInBufferHard</a>)
+00190 {
+00191 newResize= <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_9">_MaxVertexInBufferHard</a> - <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#o3">_NumVerticesAllocated</a>;
+00192 }
+00193 <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#o3">_NumVerticesAllocated</a>+= newResize;
+00194 <font class="comment">// re-allocate VB.</font>
+00195 <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_1">allocateVertexBufferAndFillVBHard</a>(<a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#o3">_NumVerticesAllocated</a>);
+00196 <font class="comment">// resize infos on vertices.</font>
+00197 <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#o2">_VertexInfos</a>.resize(<a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#o3">_NumVerticesAllocated</a>);
+00198
+00199 <font class="comment">// Fill list of free elements.</font>
+00200 <font class="keywordflow">for</font>(<a class="code" href="types__nl_8h.html#a13">uint</a> i=0;i&lt;newResize;i++)
+00201 {
+00202 <font class="comment">// create a new entry which points to this vertex.</font>
+00203 <font class="comment">// the list is made so allocation is in growing order.</font>
+00204 <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#o1">_VertexFreeMemory</a>.push_back( <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#o3">_NumVerticesAllocated</a> - (i+1) );
+00205
+00206 <font class="comment">// Mark as free the new vertices. (Debug).</font>
+00207 <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#o2">_VertexInfos</a>[<a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#o3">_NumVerticesAllocated</a> - (i+1)].Free= <font class="keyword">true</font>;
+00208 }
+00209 }
+00210
+00211 <font class="comment">// get a vertex (pop_back).</font>
+00212 <a class="code" href="types__nl_8h.html#a13">uint</a> <a class="code" href="driver__opengl__extension__def_8h.html#a223">id</a>= <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#o1">_VertexFreeMemory</a>.back();
+00213 <font class="comment">// delete this vertex free entry.</font>
+00214 <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#o1">_VertexFreeMemory</a>.pop_back();
+00215
+00216 <font class="comment">// check and Mark as not free the vertex. (Debug).</font>
+00217 <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a223">id</a>&lt;<a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#o3">_NumVerticesAllocated</a>);
+00218 <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#o2">_VertexInfos</a>[<a class="code" href="driver__opengl__extension__def_8h.html#a223">id</a>].Free);
+00219 <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#o2">_VertexInfos</a>[<a class="code" href="driver__opengl__extension__def_8h.html#a223">id</a>].Free= <font class="keyword">false</font>;
+00220
+00221
+00222 <font class="keywordflow">return</font> <a class="code" href="driver__opengl__extension__def_8h.html#a223">id</a>;
+00223 }
+00224
+00225 <font class="comment">// ***************************************************************************</font>
+<a name="l00226"></a><a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z821_3">00226</a> <font class="keywordtype">void</font> CVegetableVBAllocator::deleteVertex(<a class="code" href="types__nl_8h.html#a13">uint</a> vid)
+00227 {
+00228 <font class="comment">// check and Mark as free the vertex. (Debug).</font>
+00229 <a class="code" href="debug_8h.html#a6">nlassert</a>(vid&lt;<a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#o3">_NumVerticesAllocated</a>);
+00230 <a class="code" href="debug_8h.html#a6">nlassert</a>(!<a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#o2">_VertexInfos</a>[vid].Free);
+00231 <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#o2">_VertexInfos</a>[vid].Free= <font class="keyword">true</font>;
+00232
+00233 <font class="comment">// Add this vertex to the free list.</font>
+00234 <font class="comment">// create a new entry which points to this vertex.</font>
+00235 <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#o1">_VertexFreeMemory</a>.push_back( vid );
+00236 }
+00237
+00238 <font class="comment">// ***************************************************************************</font>
+<a name="l00239"></a><a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z822_0">00239</a> <font class="keywordtype">void</font> *CVegetableVBAllocator::getVertexPointer(<a class="code" href="types__nl_8h.html#a13">uint</a> i)
+00240 {
+00241 <font class="keywordflow">return</font> <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_3">_VB</a>.getVertexCoordPointer(i);
+00242 }
+00243
+00244 <font class="comment">// ***************************************************************************</font>
+<a name="l00245"></a><a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z822_2">00245</a> <font class="keywordtype">void</font> CVegetableVBAllocator::flushVertex(<a class="code" href="types__nl_8h.html#a13">uint</a> i)
+00246 {
+00247 <font class="keywordflow">if</font>(_VBHardOk)
+00248 {
+00249 <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_6">_VBHard</a> &amp;&amp; <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_7">_BufferLocked</a>);
+00250 <font class="comment">// copy the VB soft to the VBHard.</font>
+00251 <font class="keywordtype">void</font> *src= <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z822_0">getVertexPointer</a>(i);
+00252 <font class="keywordtype">void</font> *dst= <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_8">_AGPBufferPtr</a> + i*<a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_3">_VB</a>.getVertexSize();
+00253 memcpy(dst, src, <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_3">_VB</a>.getVertexSize());
+00254 }
+00255 }
+00256
+00257 <font class="comment">// ***************************************************************************</font>
+<a name="l00258"></a><a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z822_6">00258</a> <font class="keywordtype">void</font> CVegetableVBAllocator::activate()
+00259 {
+00260 <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_4">_Driver</a>);
+00261 <a class="code" href="debug_8h.html#a6">nlassert</a>(!<a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_7">_BufferLocked</a>);
+00262
+00263 <font class="comment">// Activate VB.</font>
+00264 <font class="keywordflow">if</font>(_VBHard)
+00265 <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_4">_Driver</a>-&gt;activeVertexBufferHard(<a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_6">_VBHard</a>);
+00266 <font class="keywordflow">else</font>
+00267 <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_4">_Driver</a>-&gt;activeVertexBuffer(<a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_3">_VB</a>);
+00268 }
+00269
+00270
+00271 <font class="comment">// ***************************************************************************</font>
+00272 <font class="comment">// ***************************************************************************</font>
+00273 <font class="comment">// Vertex Buffer hard.</font>
+00274 <font class="comment">// ***************************************************************************</font>
+00275 <font class="comment">// ***************************************************************************</font>
+00276
+00277
+00278 <font class="comment">// ***************************************************************************</font>
+<a name="l00279"></a><a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_0">00279</a> <font class="keywordtype">void</font> CVegetableVBAllocator::deleteVertexBufferHard()
+00280 {
+00281 <font class="comment">// must unlock VBhard before.</font>
+00282 <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z822_4">unlockBuffer</a>();
+00283
+00284 <font class="comment">// test (refptr) if the object still exist in memory.</font>
+00285 <font class="keywordflow">if</font>(<a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_6">_VBHard</a>!=NULL)
+00286 {
+00287 <font class="comment">// A vbufferhard should still exist only if driver still exist.</font>
+00288 <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_4">_Driver</a>!=NULL);
+00289
+00290 <font class="comment">// delete it from driver.</font>
+00291 <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_4">_Driver</a>-&gt;deleteVertexBufferHard(<a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_6">_VBHard</a>);
+00292 <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_6">_VBHard</a>= NULL;
+00293 }
+00294
+00295 }
+00296
+00297 <font class="comment">// ***************************************************************************</font>
+<a name="l00298"></a><a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_1">00298</a> <font class="keywordtype">void</font> CVegetableVBAllocator::allocateVertexBufferAndFillVBHard(<a class="code" href="types__nl_8h.html#a9">uint32</a> numVertices)
+00299 {
+00300 <font class="comment">// resize the Soft VB.</font>
+00301 <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_3">_VB</a>.setNumVertices(numVertices);
+00302
+00303 <font class="comment">// no allocation must be done if the Driver is not setuped, or if the driver has been deleted by refPtr.</font>
+00304 <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_4">_Driver</a>);
+00305
+00306 <font class="comment">// must unlock VBhard before.</font>
+00307 <font class="keywordtype">bool</font> wasLocked= <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z822_5">bufferLocked</a>();
+00308 <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z822_4">unlockBuffer</a>();
+00309
+00310 <font class="comment">// try to allocate a vbufferhard if possible.</font>
+00311 <font class="keywordflow">if</font>( _VBHardOk )
+00312 {
+00313 <font class="comment">// delete possible old _VBHard.</font>
+00314 <font class="keywordflow">if</font>(<a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_6">_VBHard</a>!=NULL)
+00315 {
+00316 <font class="comment">// VertexBufferHard lifetime &lt; Driver lifetime.</font>
+00317 <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_4">_Driver</a>!=NULL);
+00318 <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_4">_Driver</a>-&gt;deleteVertexBufferHard(<a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_6">_VBHard</a>);
+00319 }
+00320
+00321 <font class="comment">// try to create new one, in AGP Ram</font>
+00322 <font class="comment">// If too many vertices wanted, abort VBHard.</font>
+00323 <font class="keywordflow">if</font>(numVertices &lt;= <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_9">_MaxVertexInBufferHard</a>)
+00324 <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_6">_VBHard</a>= <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_4">_Driver</a>-&gt;createVertexBufferHard(<a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_3">_VB</a>.getVertexFormat(), <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_3">_VB</a>.getValueTypePointer(), numVertices, IDriver::VBHardAGP);
+00325 <font class="keywordflow">else</font>
+00326 <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_6">_VBHard</a>= NULL;
+00327
+00328 <font class="comment">// If KO, never try again.</font>
+00329 <font class="keywordflow">if</font>(<a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_6">_VBHard</a>==NULL)
+00330 <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_5">_VBHardOk</a>= <font class="keyword">false</font>;
+00331 <font class="keywordflow">else</font>
+00332 {
+00333 <font class="comment">// else, fill this AGP VBuffer Hard.</font>
+00334 <font class="comment">// lock before the AGP buffer</font>
+00335 <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z822_3">lockBuffer</a>();
+00336
+00337 <font class="comment">// copy all the vertices to AGP.</font>
+00338 memcpy(<a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_8">_AGPBufferPtr</a>, <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_3">_VB</a>.getVertexCoordPointer(0), <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_3">_VB</a>.getVertexSize() * numVertices);
+00339
+00340 <font class="comment">// If was not locked before, unlock this VB</font>
+00341 <font class="keywordflow">if</font>(!wasLocked)
+00342 <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z822_4">unlockBuffer</a>();
+00343 }
+00344 }
+00345
+00346 <font class="comment">//nlinfo("VEGET: Alloc %d verts. %s", numVertices, _VBHardOk?"VBHard":"VBSoft");</font>
+00347 }
+00348
+00349
+00350 <font class="comment">// ***************************************************************************</font>
+<a name="l00351"></a><a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_2">00351</a> <font class="keywordtype">void</font> CVegetableVBAllocator::setupVBFormat()
+00352 {
+00353 <font class="comment">// Build the Vertex Format.</font>
+00354 <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_3">_VB</a>.clearValueEx();
+00355
+00356 <font class="comment">// if lighted, need world space normal and AmbientColor for each vertex.</font>
+00357 <font class="keywordflow">if</font>( <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#o0">_Type</a> == <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#s3s0">VBTypeLighted</a> )
+00358 {
+00359 <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_3">_VB</a>.addValueEx(<a class="code" href="vegetablevb__allocator_8h.html#a0">NL3D_VEGETABLE_VPPOS_POS</a>, CVertexBuffer::Float3); <font class="comment">// v[0]</font>
+00360 <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_3">_VB</a>.addValueEx(<a class="code" href="vegetablevb__allocator_8h.html#a1">NL3D_VEGETABLE_VPPOS_NORMAL</a>, CVertexBuffer::Float3); <font class="comment">// v[2]</font>
+00361 <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_3">_VB</a>.addValueEx(<a class="code" href="vegetablevb__allocator_8h.html#a5">NL3D_VEGETABLE_VPPOS_BENDINFO</a>, CVertexBuffer::Float3); <font class="comment">// v[9]</font>
+00362 }
+00363 <font class="comment">// If unlit</font>
+00364 <font class="keywordflow">else</font>
+00365 {
+00366 <font class="comment">// slightly different VertexProgram, v[0].w== BendWeight, and v[9].x== v[0].norm()</font>
+00367 <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_3">_VB</a>.addValueEx(<a class="code" href="vegetablevb__allocator_8h.html#a0">NL3D_VEGETABLE_VPPOS_POS</a>, CVertexBuffer::Float4); <font class="comment">// v[0]</font>
+00368 <font class="comment">// Unlit VP has BlendDistance in v[9].w</font>
+00369 <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_3">_VB</a>.addValueEx(<a class="code" href="vegetablevb__allocator_8h.html#a5">NL3D_VEGETABLE_VPPOS_BENDINFO</a>, CVertexBuffer::Float4); <font class="comment">// v[9]</font>
+00370 }
+00371 <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_3">_VB</a>.addValueEx(<a class="code" href="vegetablevb__allocator_8h.html#a2">NL3D_VEGETABLE_VPPOS_COLOR0</a>, CVertexBuffer::UChar4); <font class="comment">// v[3]</font>
+00372 <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_3">_VB</a>.addValueEx(<a class="code" href="vegetablevb__allocator_8h.html#a3">NL3D_VEGETABLE_VPPOS_COLOR1</a>, CVertexBuffer::UChar4); <font class="comment">// v[4]</font>
+00373 <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_3">_VB</a>.addValueEx(<a class="code" href="vegetablevb__allocator_8h.html#a4">NL3D_VEGETABLE_VPPOS_TEX0</a>, CVertexBuffer::Float2); <font class="comment">// v[8]</font>
+00374 <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_3">_VB</a>.addValueEx(<a class="code" href="vegetablevb__allocator_8h.html#a6">NL3D_VEGETABLE_VPPOS_CENTER</a>, CVertexBuffer::Float3); <font class="comment">// v[10]</font>
+00375 <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_3">_VB</a>.initEx();
+00376
+00377 }
+00378
+00379
+00380
+00381 } <font class="comment">// NL3D</font>
+</pre></div>
+
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