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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>
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