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<hr><h1>driver_opengl_vertex_buffer_hard.cpp</h1><a href="driver__opengl__vertex__buffer__hard_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001
00007 <font class="comment">/* Copyright, 2000-2002 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="stdopengl_8h.html">stdopengl.h</a>"</font>
00027
00028 <font class="preprocessor">#include "<a class="code" href="driver__opengl__vertex__buffer__hard_8h.html">driver_opengl_vertex_buffer_hard.h</a>"</font>
00029
00030
00031 <font class="keyword">using</font> <font class="keyword">namespace </font>std;
00032 <font class="keyword">using</font> <font class="keyword">namespace </font>NLMISC;
00033
00034 <font class="keyword">namespace </font>NL3D
00035 {
00036
00037
00038
00039 <font class="comment">// ***************************************************************************</font>
00040 <font class="comment">// ***************************************************************************</font>
00041 <font class="comment">// ***************************************************************************</font>
00042 <font class="comment">//</font>
00043 <font class="comment">// VBHard interface for both NVidia / ATI extension.</font>
00044 <font class="comment">//</font>
00045 <font class="comment">// ***************************************************************************</font>
00046 <font class="comment">// ***************************************************************************</font>
00047 <font class="comment">// ***************************************************************************</font>
00048
00049
00050
00051 <font class="comment">// ***************************************************************************</font>
<a name="l00052"></a><a class="code" href="classNL3D_1_1IVertexArrayRange.html#a0">00052</a> IVertexArrayRange::IVertexArrayRange(CDriverGL *drv)
00053 {
00054 <a class="code" href="classNL3D_1_1IVertexArrayRange.html#n0">_Driver</a>= drv;
00055 }
00056 <font class="comment">// ***************************************************************************</font>
<a name="l00057"></a><a class="code" href="classNL3D_1_1IVertexArrayRange.html#a1">00057</a> IVertexArrayRange::~IVertexArrayRange()
00058 {
00059 }
00060
00061 <font class="comment">// ***************************************************************************</font>
<a name="l00062"></a><a class="code" href="classNL3D_1_1IVertexBufferHardGL.html#a0">00062</a> IVertexBufferHardGL::IVertexBufferHardGL(CDriverGL *drv)
00063 {
00064 <a class="code" href="classNL3D_1_1IVertexBufferHardGL.html#n0">_Driver</a>= drv;
00065 <a class="code" href="classNL3D_1_1IVertexBufferHardGL.html#m0">NVidiaVertexBufferHard</a>= <font class="keyword">false</font>;
00066 <a class="code" href="classNL3D_1_1IVertexBufferHardGL.html#m1">ATIVertexBufferHard</a>= <font class="keyword">false</font>;
00067 <a class="code" href="classNL3D_1_1IVertexBufferHardGL.html#m2">GPURenderingAfterFence</a>= <font class="keyword">false</font>;
00068 }
00069 <font class="comment">// ***************************************************************************</font>
<a name="l00070"></a><a class="code" href="classNL3D_1_1IVertexBufferHardGL.html#a1">00070</a> IVertexBufferHardGL::~IVertexBufferHardGL()
00071 {
00072 }
00073
00074
00075
00076 <font class="comment">// ***************************************************************************</font>
00077 <font class="comment">// ***************************************************************************</font>
00078 <font class="comment">// ***************************************************************************</font>
00079 <font class="comment">//</font>
00080 <font class="comment">// NVidia implementation</font>
00081 <font class="comment">//</font>
00082 <font class="comment">// ***************************************************************************</font>
00083 <font class="comment">// ***************************************************************************</font>
00084 <font class="comment">// ***************************************************************************</font>
00085
00086
00087
00088 <font class="comment">// ***************************************************************************</font>
00089 <font class="comment">// CVertexArrayRangeNVidia</font>
00090 <font class="comment">// ***************************************************************************</font>
00091
00092
00093 <font class="comment">// ***************************************************************************</font>
<a name="l00094"></a><a class="code" href="classNL3D_1_1CVertexArrayRangeNVidia.html#a0">00094</a> CVertexArrayRangeNVidia::CVertexArrayRangeNVidia(CDriverGL *drv) : IVertexArrayRange(drv)
00095 {
00096 <a class="code" href="classNL3D_1_1CVertexArrayRangeNVidia.html#o0">_VertexArrayPtr</a>= NULL;
00097 <a class="code" href="classNL3D_1_1CVertexArrayRangeNVidia.html#o1">_VertexArraySize</a>= 0;
00098 }
00099
00100
00101 <font class="comment">// ***************************************************************************</font>
<a name="l00102"></a><a class="code" href="classNL3D_1_1CVertexArrayRangeNVidia.html#z423_0">00102</a> <font class="keywordtype">bool</font> CVertexArrayRangeNVidia::allocate(uint32 size, IDriver::TVBHardType vbType)
00103 {
00104 <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="classNL3D_1_1CVertexArrayRangeNVidia.html#o0">_VertexArrayPtr</a>==NULL);
00105
00106 <font class="preprocessor">#ifdef NL_OS_WINDOWS</font>
00107 <font class="preprocessor"></font> <font class="comment">// try to allocate AGP or VRAM data.</font>
00108 <font class="keywordflow">switch</font>(vbType)
00109 {
00110 <font class="keywordflow">case</font> IDriver::VBHardAGP:
00111 <a class="code" href="classNL3D_1_1CVertexArrayRangeNVidia.html#o0">_VertexArrayPtr</a>= wglAllocateMemoryNV(size, 0, 0, 0.5f);
00112 <font class="keywordflow">break</font>;
00113 <font class="keywordflow">case</font> IDriver::VBHardVRAM:
00114 <a class="code" href="classNL3D_1_1CVertexArrayRangeNVidia.html#o0">_VertexArrayPtr</a>= wglAllocateMemoryNV(size, 0, 0, 1.0f);
00115 <font class="keywordflow">break</font>;
00116 };
00117 <font class="preprocessor">#endif // NL_OS_WINDOWS</font>
00118 <font class="preprocessor"></font>
00119
00120 <font class="comment">// init the allocator.</font>
00121 <font class="keywordflow">if</font>(_VertexArrayPtr)
00122 {
00123 <font class="comment">/* Init with an alignment of 8. Not sure it is usefull, but GDC01_Performance.pdf papers talks about</font>
00124 <font class="comment"> "Data arrays must be 8-byte aligned". Don't know what "Data" is.</font>
00125 <font class="comment"> */</font>
00126 <a class="code" href="classNL3D_1_1CVertexArrayRangeNVidia.html#o2">_HeapMemory</a>.<a class="code" href="classNLMISC_1_1CHeapMemory.html#a3">initHeap</a>(<a class="code" href="classNL3D_1_1CVertexArrayRangeNVidia.html#o0">_VertexArrayPtr</a>, size, 8);
00127
00128 <font class="comment">// set the size</font>
00129 <a class="code" href="classNL3D_1_1CVertexArrayRangeNVidia.html#o1">_VertexArraySize</a>= size;
00130 }
00131
00132
00133 <font class="keywordflow">return</font> <a class="code" href="classNL3D_1_1CVertexArrayRangeNVidia.html#o0">_VertexArrayPtr</a>!=NULL;
00134 }
00135
00136
00137 <font class="comment">// ***************************************************************************</font>
<a name="l00138"></a><a class="code" href="classNL3D_1_1CVertexArrayRangeNVidia.html#z423_3">00138</a> uint CVertexArrayRangeNVidia::sizeAllocated()<font class="keyword"> const</font>
00139 <font class="keyword"></font>{
00140 <font class="keywordflow">return</font> <a class="code" href="classNL3D_1_1CVertexArrayRangeNVidia.html#o1">_VertexArraySize</a>;
00141 }
00142
00143
00144 <font class="comment">// ***************************************************************************</font>
<a name="l00145"></a><a class="code" href="classNL3D_1_1CVertexArrayRangeNVidia.html#z423_1">00145</a> <font class="keywordtype">void</font> CVertexArrayRangeNVidia::free()
00146 {
00147 <font class="comment">// release the ptr.</font>
00148 <font class="keywordflow">if</font>(_VertexArrayPtr)
00149 {
00150 <font class="comment">// reset the allocator.</font>
00151 <a class="code" href="classNL3D_1_1CVertexArrayRangeNVidia.html#o2">_HeapMemory</a>.<a class="code" href="classNLMISC_1_1CHeapMemory.html#a2">reset</a>();
00152
00153
00154 <font class="comment">// Free special memory.</font>
00155 <font class="preprocessor">#ifdef NL_OS_WINDOWS</font>
00156 <font class="preprocessor"></font> wglFreeMemoryNV(<a class="code" href="classNL3D_1_1CVertexArrayRangeNVidia.html#o0">_VertexArrayPtr</a>);
00157 <font class="preprocessor">#endif // NL_OS_WINDOWS</font>
00158 <font class="preprocessor"></font>
00159
00160 <a class="code" href="classNL3D_1_1CVertexArrayRangeNVidia.html#o0">_VertexArrayPtr</a>= NULL;
00161 <a class="code" href="classNL3D_1_1CVertexArrayRangeNVidia.html#o1">_VertexArraySize</a>= 0;
00162 }
00163 }
00164
00165
00166 <font class="comment">// ***************************************************************************</font>
<a name="l00167"></a><a class="code" href="classNL3D_1_1CVertexArrayRangeNVidia.html#a1">00167</a> <font class="keywordtype">void</font> CVertexArrayRangeNVidia::enable()
00168 {
00169 <font class="comment">// if not already enabled.</font>
00170 <font class="keywordflow">if</font>(<a class="code" href="classNL3D_1_1IVertexArrayRange.html#n0">_Driver</a>->_CurrentVertexArrayRange!=<font class="keyword">this</font>)
00171 {
00172 <font class="comment">// Setup the ptrs only if differnets from last time (may rarely happens)</font>
00173 <font class="keywordflow">if</font>( <a class="code" href="classNL3D_1_1IVertexArrayRange.html#n0">_Driver</a>->_NVCurrentVARSize != <a class="code" href="classNL3D_1_1CVertexArrayRangeNVidia.html#o1">_VertexArraySize</a> || <a class="code" href="classNL3D_1_1IVertexArrayRange.html#n0">_Driver</a>->_NVCurrentVARPtr != <a class="code" href="classNL3D_1_1CVertexArrayRangeNVidia.html#o0">_VertexArrayPtr</a>)
00174 {
00175 <font class="comment">// Yoyo: fucking NVidia Bug ?? must do this strange thing, this ensure that it is correclty setuped.</font>
00176 glFinish();
00177 <a class="code" href="driver__opengl__extension_8h.html#a42">nglVertexArrayRangeNV</a>(<a class="code" href="classNL3D_1_1CVertexArrayRangeNVidia.html#o1">_VertexArraySize</a>, <a class="code" href="classNL3D_1_1CVertexArrayRangeNVidia.html#o0">_VertexArrayPtr</a>);
00178 glEnableClientState(GL_VERTEX_ARRAY_RANGE_NV);
00179 glVertexPointer(3,GL_FLOAT, 0, <a class="code" href="classNL3D_1_1CVertexArrayRangeNVidia.html#o0">_VertexArrayPtr</a>);
00180 <font class="comment">// cache.</font>
00181 <a class="code" href="classNL3D_1_1IVertexArrayRange.html#n0">_Driver</a>->_NVCurrentVARSize= <a class="code" href="classNL3D_1_1CVertexArrayRangeNVidia.html#o1">_VertexArraySize</a>;
00182 <a class="code" href="classNL3D_1_1IVertexArrayRange.html#n0">_Driver</a>->_NVCurrentVARPtr= <a class="code" href="classNL3D_1_1CVertexArrayRangeNVidia.html#o0">_VertexArrayPtr</a>;
00183 }
00184 <font class="comment">// enable VAR. NB: flush is unesufull, so don't flush if extension is OK</font>
00185 glEnableClientState(<a class="code" href="classNL3D_1_1IVertexArrayRange.html#n0">_Driver</a>->_Extensions.NVStateVARWithoutFlush);
00186 <a class="code" href="classNL3D_1_1IVertexArrayRange.html#n0">_Driver</a>->_CurrentVertexArrayRange= <font class="keyword">this</font>;
00187 }
00188 }
00189
00190
00191 <font class="comment">// ***************************************************************************</font>
<a name="l00192"></a><a class="code" href="classNL3D_1_1CVertexArrayRangeNVidia.html#a2">00192</a> <font class="keywordtype">void</font> CVertexArrayRangeNVidia::disable()
00193 {
00194 <font class="comment">// if not already disabled.</font>
00195 <font class="keywordflow">if</font>(<a class="code" href="classNL3D_1_1IVertexArrayRange.html#n0">_Driver</a>->_CurrentVertexArrayRange!=NULL)
00196 {
00197 <font class="comment">// just disable the state, don't change VAR ptr setup.</font>
00198 <font class="comment">// NB: flush is unesufull, so don't flush if extension is OK</font>
00199 glDisableClientState(<a class="code" href="classNL3D_1_1IVertexArrayRange.html#n0">_Driver</a>->_Extensions.NVStateVARWithoutFlush);
00200 <a class="code" href="classNL3D_1_1IVertexArrayRange.html#n0">_Driver</a>->_CurrentVertexArrayRange= NULL;
00201 }
00202 }
00203
00204
00205 <font class="comment">// ***************************************************************************</font>
<a name="l00206"></a><a class="code" href="classNL3D_1_1CVertexArrayRangeNVidia.html#c1">00206</a> <font class="keywordtype">void</font> *CVertexArrayRangeNVidia::allocateVB(uint32 size)
00207 {
00208 <font class="keywordflow">return</font> <a class="code" href="classNL3D_1_1CVertexArrayRangeNVidia.html#o2">_HeapMemory</a>.<a class="code" href="classNLMISC_1_1CHeapMemory.html#a6">allocate</a>(size);
00209 }
00210
00211
00212 <font class="comment">// ***************************************************************************</font>
<a name="l00213"></a><a class="code" href="classNL3D_1_1CVertexArrayRangeNVidia.html#a3">00213</a> <font class="keywordtype">void</font> CVertexArrayRangeNVidia::freeVB(<font class="keywordtype">void</font> *ptr)
00214 {
00215 <a class="code" href="classNL3D_1_1CVertexArrayRangeNVidia.html#o2">_HeapMemory</a>.<a class="code" href="classNLMISC_1_1CHeapMemory.html#a7">free</a>(ptr);
00216 }
00217
00218
00219 <font class="comment">// ***************************************************************************</font>
<a name="l00220"></a><a class="code" href="classNL3D_1_1CVertexArrayRangeNVidia.html#z423_2">00220</a> IVertexBufferHardGL *CVertexArrayRangeNVidia::createVBHardGL(uint16 vertexFormat, <font class="keyword">const</font> uint8 *typeArray, uint32 numVertices)
00221 {
00222 <font class="comment">// create a NVidia VBHard</font>
00223 CVertexBufferHardGLNVidia *newVbHard= <font class="keyword">new</font> CVertexBufferHardGLNVidia(<a class="code" href="classNL3D_1_1IVertexArrayRange.html#n0">_Driver</a>);
00224
00225 <font class="comment">// Init the format of the VB.</font>
00226 newVbHard->initFormat(vertexFormat, typeArray, numVertices);
00227
00228 <font class="comment">// compute size to allocate.</font>
00229 uint32 size= newVbHard->getVertexSize() * newVbHard->getNumVertices();
00230
00231 <font class="comment">// try to allocate</font>
00232 <font class="keywordtype">void</font> *vertexPtr;
00233 <font class="keywordflow">if</font>( <a class="code" href="classNL3D_1_1CVertexArrayRangeNVidia.html#c0">allocated</a>() )
00234 {
00235 vertexPtr= <a class="code" href="classNL3D_1_1CVertexArrayRangeNVidia.html#c1">allocateVB</a>(size);
00236 }
00237
00238 <font class="comment">// If allocation fails.</font>
00239 <font class="keywordflow">if</font>( !vertexPtr )
00240 {
00241 <font class="comment">// just destroy this object (no free()).</font>
00242 <font class="keyword">delete</font> newVbHard;
00243 <font class="keywordflow">return</font> NULL;
00244 }
00245 <font class="keywordflow">else</font>
00246 {
00247 <font class="comment">// Ok, setup, and allocate the fence.</font>
00248 newVbHard->initGL(<font class="keyword">this</font>, vertexPtr);
00249 <font class="keywordflow">return</font> newVbHard;
00250 }
00251 }
00252
00253
00254 <font class="comment">// ***************************************************************************</font>
00255 <font class="comment">// CVertexBufferHardGLNVidia</font>
00256 <font class="comment">// ***************************************************************************</font>
00257
00258
00259 <font class="comment">// ***************************************************************************</font>
<a name="l00260"></a><a class="code" href="classNL3D_1_1CVertexBufferHardGLNVidia.html#a0">00260</a> CVertexBufferHardGLNVidia::CVertexBufferHardGLNVidia(CDriverGL *drv) : IVertexBufferHardGL(drv)
00261 {
00262 <a class="code" href="classNL3D_1_1CVertexBufferHardGLNVidia.html#o0">_VertexArrayRange</a>= NULL;
00263 <a class="code" href="classNL3D_1_1CVertexBufferHardGLNVidia.html#o1">_VertexPtr</a>= NULL;
00264
00265 <a class="code" href="classNL3D_1_1IVertexBufferHardGL.html#m2">GPURenderingAfterFence</a>= <font class="keyword">false</font>;
00266 <a class="code" href="classNL3D_1_1CVertexBufferHardGLNVidia.html#o3">_FenceSet</a>= <font class="keyword">false</font>;
00267
00268 <font class="comment">// Flag our type</font>
00269 <a class="code" href="classNL3D_1_1IVertexBufferHardGL.html#m0">NVidiaVertexBufferHard</a>= <font class="keyword">true</font>;
00270 }
00271
00272
00273 <font class="comment">// ***************************************************************************</font>
<a name="l00274"></a><a class="code" href="classNL3D_1_1CVertexBufferHardGLNVidia.html#a1">00274</a> CVertexBufferHardGLNVidia::~CVertexBufferHardGLNVidia()
00275 {
00276 <font class="keywordflow">if</font>(_VertexArrayRange)
00277 {
00278 <font class="comment">// Destroy Fence.</font>
00279 <font class="comment">// First wait for completion.</font>
00280 <a class="code" href="classNL3D_1_1CVertexBufferHardGLNVidia.html#a5">finishFence</a>();
00281 <font class="comment">// then delete.</font>
00282 <a class="code" href="driver__opengl__extension_8h.html#a43">nglDeleteFencesNV</a>(1, &<a class="code" href="classNL3D_1_1CVertexBufferHardGLNVidia.html#o2">_Fence</a>);
00283
00284 <font class="comment">// Then free the VAR.</font>
00285 <a class="code" href="classNL3D_1_1CVertexBufferHardGLNVidia.html#o0">_VertexArrayRange</a>->freeVB(<a class="code" href="classNL3D_1_1CVertexBufferHardGLNVidia.html#o1">_VertexPtr</a>);
00286 <a class="code" href="classNL3D_1_1CVertexBufferHardGLNVidia.html#o1">_VertexPtr</a>= NULL;
00287 <a class="code" href="classNL3D_1_1CVertexBufferHardGLNVidia.html#o0">_VertexArrayRange</a>= NULL;
00288 }
00289 }
00290
00291
00292 <font class="comment">// ***************************************************************************</font>
<a name="l00293"></a><a class="code" href="classNL3D_1_1CVertexBufferHardGLNVidia.html#a2">00293</a> <font class="keywordtype">void</font> CVertexBufferHardGLNVidia::initGL(CVertexArrayRangeNVidia *var, <font class="keywordtype">void</font> *vertexPtr)
00294 {
00295 <a class="code" href="classNL3D_1_1CVertexBufferHardGLNVidia.html#o0">_VertexArrayRange</a>= var;
00296 <a class="code" href="classNL3D_1_1CVertexBufferHardGLNVidia.html#o1">_VertexPtr</a>= vertexPtr;
00297 <a class="code" href="driver__opengl__extension_8h.html#a44">nglGenFencesNV</a>(1, &<a class="code" href="classNL3D_1_1CVertexBufferHardGLNVidia.html#o2">_Fence</a>);
00298 }
00299
00300
00301 <font class="comment">// ***************************************************************************</font>
<a name="l00302"></a><a class="code" href="classNL3D_1_1CVertexBufferHardGLNVidia.html#z424_0">00302</a> <font class="keywordtype">void</font> *CVertexBufferHardGLNVidia::lock()
00303 {
00304 <font class="comment">// sync the 3d card with the system.</font>
00305
00306 <font class="comment">// Ensure the GPU has finished with the current VBHard.</font>
00307 <a class="code" href="classNL3D_1_1CVertexBufferHardGLNVidia.html#a5">finishFence</a>();
00308 <font class="comment">// If the user lock an activated VBHard, after rendering some primitives, we must stall the CPU</font>
00309 <font class="keywordflow">if</font>(GPURenderingAfterFence)
00310 {
00311 <font class="comment">// Set a fence at the current position in the command stream.</font>
00312 <a class="code" href="classNL3D_1_1CVertexBufferHardGLNVidia.html#a4">setFence</a>();
00313 <font class="comment">// wait for him to finish.</font>
00314 <a class="code" href="classNL3D_1_1CVertexBufferHardGLNVidia.html#a5">finishFence</a>();
00315 <font class="comment">// And so the GPU render all our primitives.</font>
00316 <a class="code" href="classNL3D_1_1IVertexBufferHardGL.html#m2">GPURenderingAfterFence</a>= <font class="keyword">false</font>;
00317 }
00318
00319
00320 <font class="keywordflow">return</font> <a class="code" href="classNL3D_1_1CVertexBufferHardGLNVidia.html#o1">_VertexPtr</a>;
00321 }
00322
00323
00324 <font class="comment">// ***************************************************************************</font>
<a name="l00325"></a><a class="code" href="classNL3D_1_1CVertexBufferHardGLNVidia.html#z424_1">00325</a> <font class="keywordtype">void</font> CVertexBufferHardGLNVidia::unlock()
00326 {
00327 <font class="comment">// no op.</font>
00328 }
00329
00330 <font class="comment">// ***************************************************************************</font>
<a name="l00331"></a><a class="code" href="classNL3D_1_1CVertexBufferHardGLNVidia.html#z424_2">00331</a> <font class="keywordtype">void</font> CVertexBufferHardGLNVidia::unlock(uint startVert, uint endVert)
00332 {
00333 <font class="comment">// no op.</font>
00334 <font class="comment">// NB: start-end only usefull for ATI ext.</font>
00335 }
00336
00337 <font class="comment">// ***************************************************************************</font>
<a name="l00338"></a><a class="code" href="classNL3D_1_1CVertexBufferHardGLNVidia.html#z424_3">00338</a> <font class="keywordtype">void</font> CVertexBufferHardGLNVidia::enable()
00339 {
00340 <font class="keywordflow">if</font>(<a class="code" href="classNL3D_1_1IVertexBufferHardGL.html#n0">_Driver</a>->_CurrentVertexBufferHard != <font class="keyword">this</font>)
00341 {
00342 <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="classNL3D_1_1CVertexBufferHardGLNVidia.html#o0">_VertexArrayRange</a>);
00343 <a class="code" href="classNL3D_1_1CVertexBufferHardGLNVidia.html#o0">_VertexArrayRange</a>->enable();
00344 <a class="code" href="classNL3D_1_1IVertexBufferHardGL.html#n0">_Driver</a>->_CurrentVertexBufferHard= <font class="keyword">this</font>;
00345 }
00346 }
00347
00348
00349 <font class="comment">// ***************************************************************************</font>
<a name="l00350"></a><a class="code" href="classNL3D_1_1CVertexBufferHardGLNVidia.html#z424_4">00350</a> <font class="keywordtype">void</font> CVertexBufferHardGLNVidia::disable()
00351 {
00352 <font class="keywordflow">if</font>(<a class="code" href="classNL3D_1_1IVertexBufferHardGL.html#n0">_Driver</a>->_CurrentVertexBufferHard != NULL)
00353 {
00354 <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="classNL3D_1_1CVertexBufferHardGLNVidia.html#o0">_VertexArrayRange</a>);
00355 <a class="code" href="classNL3D_1_1CVertexBufferHardGLNVidia.html#o0">_VertexArrayRange</a>->disable();
00356 <a class="code" href="classNL3D_1_1IVertexBufferHardGL.html#n0">_Driver</a>->_CurrentVertexBufferHard= NULL;
00357 }
00358 }
00359
00360
00361 <font class="comment">// ***************************************************************************</font>
<a name="l00362"></a><a class="code" href="classNL3D_1_1CVertexBufferHardGLNVidia.html#a4">00362</a> <font class="keywordtype">void</font> CVertexBufferHardGLNVidia::setFence()
00363 {
00364 <font class="keywordflow">if</font>(!<a class="code" href="classNL3D_1_1CVertexBufferHardGLNVidia.html#a3">isFenceSet</a>())
00365 {
00366 <a class="code" href="driver__opengl__extension_8h.html#a49">nglSetFenceNV</a>(<a class="code" href="classNL3D_1_1CVertexBufferHardGLNVidia.html#o2">_Fence</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a144">GL_ALL_COMPLETED_NV</a>);
00367 <a class="code" href="classNL3D_1_1CVertexBufferHardGLNVidia.html#o3">_FenceSet</a>= <font class="keyword">true</font>;
00368 }
00369 }
00370
00371 <font class="comment">// ***************************************************************************</font>
<a name="l00372"></a><a class="code" href="classNL3D_1_1CVertexBufferHardGLNVidia.html#a5">00372</a> <font class="keywordtype">void</font> CVertexBufferHardGLNVidia::finishFence()
00373 {
00374 <font class="keywordflow">if</font>(<a class="code" href="classNL3D_1_1CVertexBufferHardGLNVidia.html#a3">isFenceSet</a>())
00375 {
00376 <font class="comment">// Stall CPU while the fence command is not reached in the GPU command stream.</font>
00377 <a class="code" href="driver__opengl__extension_8h.html#a48">nglFinishFenceNV</a>(<a class="code" href="classNL3D_1_1CVertexBufferHardGLNVidia.html#o2">_Fence</a>);
00378 <a class="code" href="classNL3D_1_1CVertexBufferHardGLNVidia.html#o3">_FenceSet</a>= <font class="keyword">false</font>;
00379 }
00380 }
00381
00382
00383
00384 <font class="comment">// ***************************************************************************</font>
00385 <font class="comment">// ***************************************************************************</font>
00386 <font class="comment">// ***************************************************************************</font>
00387 <font class="comment">//</font>
00388 <font class="comment">// ATI implementation</font>
00389 <font class="comment">//</font>
00390 <font class="comment">// ***************************************************************************</font>
00391 <font class="comment">// ***************************************************************************</font>
00392 <font class="comment">// ***************************************************************************</font>
00393
00394
00395 <font class="comment">// ***************************************************************************</font>
00396 <font class="comment">// CVertexArrayRangeATI</font>
00397 <font class="comment">// ***************************************************************************</font>
00398
00399
00400 <font class="comment">// ***************************************************************************</font>
<a name="l00401"></a><a class="code" href="classNL3D_1_1CVertexArrayRangeATI.html#a0">00401</a> CVertexArrayRangeATI::CVertexArrayRangeATI(CDriverGL *drv) : IVertexArrayRange(drv)
00402 {
00403 <a class="code" href="classNL3D_1_1CVertexArrayRangeATI.html#o1">_Allocated</a>= <font class="keyword">false</font>;
00404 <a class="code" href="classNL3D_1_1CVertexArrayRangeATI.html#o0">_VertexObjectId</a>= 0;
00405 <a class="code" href="classNL3D_1_1CVertexArrayRangeATI.html#o2">_VertexArraySize</a>= 0;
00406 }
00407 <font class="comment">// ***************************************************************************</font>
<a name="l00408"></a><a class="code" href="classNL3D_1_1CVertexArrayRangeATI.html#z425_0">00408</a> <font class="keywordtype">bool</font> CVertexArrayRangeATI::allocate(uint32 size, IDriver::TVBHardType vbType)
00409 {
00410 <a class="code" href="debug_8h.html#a6">nlassert</a>(!<a class="code" href="classNL3D_1_1CVertexArrayRangeATI.html#o1">_Allocated</a>);
00411
00412 <font class="comment">// try to allocate AGP (suppose mean ATI dynamic) or VRAM (suppose mean ATI static) data.</font>
00413 <font class="keywordflow">switch</font>(vbType)
00414 {
00415 <font class="keywordflow">case</font> IDriver::VBHardAGP:
00416 <a class="code" href="classNL3D_1_1CVertexArrayRangeATI.html#o0">_VertexObjectId</a>= <a class="code" href="driver__opengl__extension_8h.html#a172">nglNewObjectBufferATI</a>(size, NULL, <a class="code" href="driver__opengl__extension__def_8h.html#a334">GL_DYNAMIC_ATI</a>);
00417 <font class="keywordflow">break</font>;
00418 <font class="keywordflow">case</font> IDriver::VBHardVRAM:
00419 <a class="code" href="classNL3D_1_1CVertexArrayRangeATI.html#o0">_VertexObjectId</a>= <a class="code" href="driver__opengl__extension_8h.html#a172">nglNewObjectBufferATI</a>(size, NULL, <a class="code" href="driver__opengl__extension__def_8h.html#a333">GL_STATIC_ATI</a>);
00420 <font class="keywordflow">break</font>;
00421 };
00422
00423
00424 <font class="comment">// init the allocator, if success</font>
00425 <font class="keywordflow">if</font>( <a class="code" href="driver__opengl__extension_8h.html#a173">nglIsObjectBufferATI</a>(<a class="code" href="classNL3D_1_1CVertexArrayRangeATI.html#o0">_VertexObjectId</a>) )
00426 {
00427 <a class="code" href="classNL3D_1_1CVertexArrayRangeATI.html#o1">_Allocated</a>= <font class="keyword">true</font>;
00428 <font class="comment">/* Init with an alignment of 8. Not sure if it is usefull.</font>
00429 <font class="comment"> Init With a FAKE memory starting at NL3D_DRV_ATI_FAKE_MEM_START</font>
00430 <font class="comment"> */</font>
00431 <a class="code" href="classNL3D_1_1CVertexArrayRangeATI.html#o3">_HeapMemory</a>.<a class="code" href="classNLMISC_1_1CHeapMemory.html#a3">initHeap</a>((<font class="keywordtype">void</font>*)<a class="code" href="driver__opengl__vertex__buffer__hard_8h.html#a0">NL3D_DRV_ATI_FAKE_MEM_START</a>, size, 8);
00432
00433 <font class="comment">// set the size</font>
00434 <a class="code" href="classNL3D_1_1CVertexArrayRangeATI.html#o2">_VertexArraySize</a>= size;
00435
00436 <font class="comment">// Ok!</font>
00437 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00438 }
00439 <font class="keywordflow">else</font>
00440 {
00441 <font class="comment">// failure.</font>
00442 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00443 }
00444 }
00445 <font class="comment">// ***************************************************************************</font>
<a name="l00446"></a><a class="code" href="classNL3D_1_1CVertexArrayRangeATI.html#z425_3">00446</a> uint CVertexArrayRangeATI::sizeAllocated()<font class="keyword"> const</font>
00447 <font class="keyword"></font>{
00448 <font class="keywordflow">return</font> <a class="code" href="classNL3D_1_1CVertexArrayRangeATI.html#o2">_VertexArraySize</a>;
00449 }
00450 <font class="comment">// ***************************************************************************</font>
<a name="l00451"></a><a class="code" href="classNL3D_1_1CVertexArrayRangeATI.html#z425_1">00451</a> <font class="keywordtype">void</font> CVertexArrayRangeATI::free()
00452 {
00453 <font class="comment">// release the ptr.</font>
00454 <font class="keywordflow">if</font>(_Allocated)
00455 {
00456 <font class="comment">// reset the allocator.</font>
00457 <a class="code" href="classNL3D_1_1CVertexArrayRangeATI.html#o3">_HeapMemory</a>.<a class="code" href="classNLMISC_1_1CHeapMemory.html#a2">reset</a>();
00458
00459 <font class="comment">// Free special memory.</font>
00460 <a class="code" href="driver__opengl__extension_8h.html#a177">nglDeleteObjectBufferATI</a>(<a class="code" href="classNL3D_1_1CVertexArrayRangeATI.html#o0">_VertexObjectId</a>);
00461
00462 <a class="code" href="classNL3D_1_1CVertexArrayRangeATI.html#o1">_Allocated</a>= <font class="keyword">false</font>;
00463 <a class="code" href="classNL3D_1_1CVertexArrayRangeATI.html#o2">_VertexArraySize</a>= 0;
00464 }
00465 }
00466 <font class="comment">// ***************************************************************************</font>
<a name="l00467"></a><a class="code" href="classNL3D_1_1CVertexArrayRangeATI.html#z425_2">00467</a> IVertexBufferHardGL *CVertexArrayRangeATI::createVBHardGL(uint16 vertexFormat, <font class="keyword">const</font> uint8 *typeArray, uint32 numVertices)
00468 {
00469 <font class="comment">// create a ATI VBHard</font>
00470 CVertexBufferHardGLATI *newVbHard= <font class="keyword">new</font> CVertexBufferHardGLATI(<a class="code" href="classNL3D_1_1IVertexArrayRange.html#n0">_Driver</a>);
00471
00472 <font class="comment">// Init the format of the VB.</font>
00473 newVbHard->initFormat(vertexFormat, typeArray, numVertices);
00474
00475 <font class="comment">// compute size to allocate.</font>
00476 uint32 size= newVbHard->getVertexSize() * newVbHard->getNumVertices();
00477
00478 <font class="comment">// try to allocate</font>
00479 <font class="keywordtype">void</font> *vertexPtr =NULL;
00480 <font class="keywordflow">if</font>( _Allocated )
00481 {
00482 vertexPtr= <a class="code" href="classNL3D_1_1CVertexArrayRangeATI.html#c0">allocateVB</a>(size);
00483 }
00484
00485 <font class="comment">// If allocation fails.</font>
00486 <font class="keywordflow">if</font>( !vertexPtr )
00487 {
00488 <font class="comment">// just destroy this object (no free()).</font>
00489 <font class="keyword">delete</font> newVbHard;
00490 <font class="keywordflow">return</font> NULL;
00491 }
00492 <font class="keywordflow">else</font>
00493 {
00494 <font class="comment">// Then try to create a RAM mirror in the VB.</font>
00495 <font class="keywordflow">if</font>( newVbHard->createRAMMirror(size) )
00496 {
00497 <font class="comment">// Ok, setup</font>
00498 newVbHard->initGL(<font class="keyword">this</font>, vertexPtr);
00499 <font class="keywordflow">return</font> newVbHard;
00500 }
00501 <font class="keywordflow">else</font>
00502 {
00503 <font class="comment">// Discard the VB.</font>
00504 <font class="keyword">delete</font> newVbHard;
00505 <font class="keywordflow">return</font> NULL;
00506 }
00507 }
00508 }
00509 <font class="comment">// ***************************************************************************</font>
<a name="l00510"></a><a class="code" href="classNL3D_1_1CVertexArrayRangeATI.html#a1">00510</a> <font class="keywordtype">void</font> CVertexArrayRangeATI::enable()
00511 {
00512 <font class="comment">// No-op for ATI !!!</font>
00513 <a class="code" href="classNL3D_1_1IVertexArrayRange.html#n0">_Driver</a>->_CurrentVertexArrayRange= <font class="keyword">this</font>;
00514 }
00515 <font class="comment">// ***************************************************************************</font>
<a name="l00516"></a><a class="code" href="classNL3D_1_1CVertexArrayRangeATI.html#a2">00516</a> <font class="keywordtype">void</font> CVertexArrayRangeATI::disable()
00517 {
00518 <font class="comment">// No-op for ATI !!!</font>
00519 <a class="code" href="classNL3D_1_1IVertexArrayRange.html#n0">_Driver</a>->_CurrentVertexArrayRange= NULL;
00520 }
00521 <font class="comment">// ***************************************************************************</font>
<a name="l00522"></a><a class="code" href="classNL3D_1_1CVertexArrayRangeATI.html#c0">00522</a> <font class="keywordtype">void</font> *CVertexArrayRangeATI::allocateVB(uint32 size)
00523 {
00524 <font class="keywordflow">return</font> <a class="code" href="classNL3D_1_1CVertexArrayRangeATI.html#o3">_HeapMemory</a>.<a class="code" href="classNLMISC_1_1CHeapMemory.html#a6">allocate</a>(size);
00525 }
00526 <font class="comment">// ***************************************************************************</font>
<a name="l00527"></a><a class="code" href="classNL3D_1_1CVertexArrayRangeATI.html#a3">00527</a> <font class="keywordtype">void</font> CVertexArrayRangeATI::freeVB(<font class="keywordtype">void</font> *ptr)
00528 {
00529 <a class="code" href="classNL3D_1_1CVertexArrayRangeATI.html#o3">_HeapMemory</a>.<a class="code" href="classNLMISC_1_1CHeapMemory.html#a7">free</a>(ptr);
00530 }
00531
00532
00533 <font class="comment">// ***************************************************************************</font>
00534 <font class="comment">// CVertexBufferHardGLATI</font>
00535 <font class="comment">// ***************************************************************************</font>
00536
00537
00538 <font class="comment">// ***************************************************************************</font>
<a name="l00539"></a><a class="code" href="classNL3D_1_1CVertexBufferHardGLATI.html#a0">00539</a> CVertexBufferHardGLATI::CVertexBufferHardGLATI(CDriverGL *drv) : IVertexBufferHardGL(drv)
00540 {
00541 <a class="code" href="classNL3D_1_1CVertexBufferHardGLATI.html#o0">_VertexArrayRange</a>= NULL;
00542 <a class="code" href="classNL3D_1_1CVertexBufferHardGLATI.html#o1">_VertexPtr</a>= NULL;
00543 <a class="code" href="classNL3D_1_1CVertexBufferHardGLATI.html#o2">_RAMMirrorVertexPtr</a>= NULL;
00544 <a class="code" href="classNL3D_1_1CVertexBufferHardGLATI.html#o3">_RAMMirrorVertexSize</a>= 0;
00545
00546 <font class="comment">// Flag our type</font>
00547 <a class="code" href="classNL3D_1_1IVertexBufferHardGL.html#m1">ATIVertexBufferHard</a>= <font class="keyword">true</font>;
00548 }
00549
00550
00551 <font class="comment">// ***************************************************************************</font>
<a name="l00552"></a><a class="code" href="classNL3D_1_1CVertexBufferHardGLATI.html#a1">00552</a> CVertexBufferHardGLATI::~CVertexBufferHardGLATI()
00553 {
00554 <font class="keywordflow">if</font>(_VertexArrayRange)
00555 {
00556 <font class="comment">// free the VAR.</font>
00557 <a class="code" href="classNL3D_1_1CVertexBufferHardGLATI.html#o0">_VertexArrayRange</a>->freeVB(<a class="code" href="classNL3D_1_1CVertexBufferHardGLATI.html#o1">_VertexPtr</a>);
00558 <a class="code" href="classNL3D_1_1CVertexBufferHardGLATI.html#o1">_VertexPtr</a>= NULL;
00559 <a class="code" href="classNL3D_1_1CVertexBufferHardGLATI.html#o0">_VertexArrayRange</a>= NULL;
00560 }
00561
00562 <font class="keywordflow">if</font>(_RAMMirrorVertexPtr)
00563 {
00564 <font class="keyword">delete</font> [] ((uint8*)<a class="code" href="classNL3D_1_1CVertexBufferHardGLATI.html#o2">_RAMMirrorVertexPtr</a>);
00565 <a class="code" href="classNL3D_1_1CVertexBufferHardGLATI.html#o2">_RAMMirrorVertexPtr</a>= NULL;
00566 <a class="code" href="classNL3D_1_1CVertexBufferHardGLATI.html#o3">_RAMMirrorVertexSize</a>= 0;
00567 }
00568 }
00569
00570
00571 <font class="comment">// ***************************************************************************</font>
<a name="l00572"></a><a class="code" href="classNL3D_1_1CVertexBufferHardGLATI.html#a2">00572</a> <font class="keywordtype">bool</font> CVertexBufferHardGLATI::createRAMMirror(uint memSize)
00573 {
00574 <font class="comment">// delete old if any</font>
00575 <font class="keywordflow">if</font>(_RAMMirrorVertexPtr)
00576 {
00577 free(<a class="code" href="classNL3D_1_1CVertexBufferHardGLATI.html#o2">_RAMMirrorVertexPtr</a>);
00578 <a class="code" href="classNL3D_1_1CVertexBufferHardGLATI.html#o2">_RAMMirrorVertexPtr</a>= NULL;
00579 <a class="code" href="classNL3D_1_1CVertexBufferHardGLATI.html#o3">_RAMMirrorVertexSize</a>= 0;
00580 }
00581 <font class="comment">// create</font>
00582 <a class="code" href="classNL3D_1_1CVertexBufferHardGLATI.html#o2">_RAMMirrorVertexPtr</a> = (<font class="keywordtype">void</font>*)<font class="keyword">new</font> uint8[memSize];
00583 <font class="keywordflow">if</font>(_RAMMirrorVertexPtr)
00584 {
00585 <a class="code" href="classNL3D_1_1CVertexBufferHardGLATI.html#o3">_RAMMirrorVertexSize</a>= memSize;
00586 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00587 }
00588 <font class="keywordflow">else</font>
00589 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00590 }
00591
00592
00593 <font class="comment">// ***************************************************************************</font>
<a name="l00594"></a><a class="code" href="classNL3D_1_1CVertexBufferHardGLATI.html#a3">00594</a> <font class="keywordtype">void</font> CVertexBufferHardGLATI::initGL(CVertexArrayRangeATI *var, <font class="keywordtype">void</font> *vertexPtr)
00595 {
00596 <a class="code" href="classNL3D_1_1CVertexBufferHardGLATI.html#o0">_VertexArrayRange</a>= var;
00597 <a class="code" href="classNL3D_1_1CVertexBufferHardGLATI.html#o1">_VertexPtr</a>= vertexPtr;
00598 }
00599
00600
00601 <font class="comment">// ***************************************************************************</font>
<a name="l00602"></a><a class="code" href="classNL3D_1_1CVertexBufferHardGLATI.html#z426_0">00602</a> <font class="keywordtype">void</font> *CVertexBufferHardGLATI::lock()
00603 {
00604 <font class="comment">// return directly the mirror one. => client will write into RAM.</font>
00605 <font class="keywordflow">return</font> <a class="code" href="classNL3D_1_1CVertexBufferHardGLATI.html#o2">_RAMMirrorVertexPtr</a>;
00606 }
00607
00608
00609 <font class="comment">// ***************************************************************************</font>
<a name="l00610"></a><a class="code" href="classNL3D_1_1CVertexBufferHardGLATI.html#z426_1">00610</a> <font class="keywordtype">void</font> CVertexBufferHardGLATI::unlock()
00611 {
00612 <font class="comment">// Copy All mirror into the ATI Vertex Object</font>
00613 <a class="code" href="driver__opengl__extension_8h.html#a174">nglUpdateObjectBufferATI</a>(<a class="code" href="classNL3D_1_1CVertexBufferHardGLATI.html#a5">getATIVertexObjectId</a>(), (uint)<a class="code" href="classNL3D_1_1CVertexBufferHardGLATI.html#o1">_VertexPtr</a> - <a class="code" href="driver__opengl__vertex__buffer__hard_8h.html#a0">NL3D_DRV_ATI_FAKE_MEM_START</a>,
00614 <a class="code" href="classNL3D_1_1CVertexBufferHardGLATI.html#o3">_RAMMirrorVertexSize</a>, <a class="code" href="classNL3D_1_1CVertexBufferHardGLATI.html#o2">_RAMMirrorVertexPtr</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a335">GL_PRESERVE_ATI</a>);
00615 }
00616
00617
00618 <font class="comment">// ***************************************************************************</font>
<a name="l00619"></a><a class="code" href="classNL3D_1_1CVertexBufferHardGLATI.html#z426_2">00619</a> <font class="keywordtype">void</font> CVertexBufferHardGLATI::unlock(uint startVert, uint endVert)
00620 {
00621 <font class="comment">// clamp endVert.</font>
00622 <font class="keywordflow">if</font>(endVert><a class="code" href="classNL3D_1_1IVertexBufferHard.html#z902_2">getNumVertices</a>())
00623 endVert=<a class="code" href="classNL3D_1_1IVertexBufferHard.html#z902_2">getNumVertices</a>();
00624
00625 <font class="comment">// verify bound.</font>
00626 <font class="keywordflow">if</font>(startVert>=endVert)
00627 <font class="keywordflow">return</font>;
00628
00629 <font class="comment">// Copy a subset of the mirror into the ATI Vertex Object</font>
00630 uint size= (endVert-startVert)*<a class="code" href="classNL3D_1_1IVertexBufferHard.html#z902_1">getVertexSize</a>();
00631 uint srcOffStart= startVert*<a class="code" href="classNL3D_1_1IVertexBufferHard.html#z902_1">getVertexSize</a>();
00632 uint dstOffStart= ((uint)<a class="code" href="classNL3D_1_1CVertexBufferHardGLATI.html#o1">_VertexPtr</a> - <a class="code" href="driver__opengl__vertex__buffer__hard_8h.html#a0">NL3D_DRV_ATI_FAKE_MEM_START</a>) + srcOffStart;
00633 <font class="comment">// copy.</font>
00634 <a class="code" href="driver__opengl__extension_8h.html#a174">nglUpdateObjectBufferATI</a>(<a class="code" href="classNL3D_1_1CVertexBufferHardGLATI.html#a5">getATIVertexObjectId</a>(), dstOffStart,
00635 size, (uint8*)<a class="code" href="classNL3D_1_1CVertexBufferHardGLATI.html#o2">_RAMMirrorVertexPtr</a> + srcOffStart, <a class="code" href="driver__opengl__extension__def_8h.html#a335">GL_PRESERVE_ATI</a>);
00636 }
00637
00638
00639 <font class="comment">// ***************************************************************************</font>
<a name="l00640"></a><a class="code" href="classNL3D_1_1CVertexBufferHardGLATI.html#z426_3">00640</a> <font class="keywordtype">void</font> CVertexBufferHardGLATI::enable()
00641 {
00642 <font class="keywordflow">if</font>(<a class="code" href="classNL3D_1_1IVertexBufferHardGL.html#n0">_Driver</a>->_CurrentVertexBufferHard != <font class="keyword">this</font>)
00643 {
00644 <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="classNL3D_1_1CVertexBufferHardGLATI.html#o0">_VertexArrayRange</a>);
00645 <a class="code" href="classNL3D_1_1CVertexBufferHardGLATI.html#o0">_VertexArrayRange</a>->enable();
00646 <a class="code" href="classNL3D_1_1IVertexBufferHardGL.html#n0">_Driver</a>->_CurrentVertexBufferHard= <font class="keyword">this</font>;
00647 }
00648 }
00649
00650
00651 <font class="comment">// ***************************************************************************</font>
<a name="l00652"></a><a class="code" href="classNL3D_1_1CVertexBufferHardGLATI.html#z426_4">00652</a> <font class="keywordtype">void</font> CVertexBufferHardGLATI::disable()
00653 {
00654 <font class="keywordflow">if</font>(<a class="code" href="classNL3D_1_1IVertexBufferHardGL.html#n0">_Driver</a>->_CurrentVertexBufferHard != NULL)
00655 {
00656 <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="classNL3D_1_1CVertexBufferHardGLATI.html#o0">_VertexArrayRange</a>);
00657 <a class="code" href="classNL3D_1_1CVertexBufferHardGLATI.html#o0">_VertexArrayRange</a>->disable();
00658 <a class="code" href="classNL3D_1_1IVertexBufferHardGL.html#n0">_Driver</a>->_CurrentVertexBufferHard= NULL;
00659 }
00660 }
00661
00662
00663 }
00664
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