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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 && !<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>>0) && (<a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_4">_Driver</a>->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>->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>>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> && <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#z823_6">_VBHard</a>==NULL && <a class="code" href="classNL3D_1_1CVegetableVBAllocator.html#o3">_NumVerticesAllocated</a>>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>->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>->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) > <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<_MaxVertexInBufferHard && _NumVerticesAllocated+newResize > <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<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><<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<<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> && <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>->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>->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>->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 < 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>->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 <= <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>->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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