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<hr><h1>landscapevb_allocator.h</h1><a href="landscapevb__allocator_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001
00007 <font class="comment">/* Copyright, 2001 Nevrax Ltd.</font>
00008 <font class="comment"> *</font>
00009 <font class="comment"> * This file is part of NEVRAX NEL.</font>
00010 <font class="comment"> * NEVRAX NEL is free software; you can redistribute it and/or modify</font>
00011 <font class="comment"> * it under the terms of the GNU General Public License as published by</font>
00012 <font class="comment"> * the Free Software Foundation; either version 2, or (at your option)</font>
00013 <font class="comment"> * any later version.</font>
00014 <font class="comment"></font>
00015 <font class="comment"> * NEVRAX NEL is distributed in the hope that it will be useful, but</font>
00016 <font class="comment"> * WITHOUT ANY WARRANTY; without even the implied warranty of</font>
00017 <font class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</font>
00018 <font class="comment"> * General Public License for more details.</font>
00019 <font class="comment"></font>
00020 <font class="comment"> * You should have received a copy of the GNU General Public License</font>
00021 <font class="comment"> * along with NEVRAX NEL; see the file COPYING. If not, write to the</font>
00022 <font class="comment"> * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,</font>
00023 <font class="comment"> * MA 02111-1307, USA.</font>
00024 <font class="comment"> */</font>
00025
00026 <font class="preprocessor">#ifndef NL_LANDSCAPEVB_ALLOCATOR_H</font>
00027 <font class="preprocessor"></font><font class="preprocessor">#define NL_LANDSCAPEVB_ALLOCATOR_H</font>
00028 <font class="preprocessor"></font>
00029 <font class="preprocessor">#include "<a class="code" href="types__nl_8h.html">nel/misc/types_nl.h</a>"</font>
00030 <font class="preprocessor">#include "<a class="code" href="smart__ptr_8h.html">nel/misc/smart_ptr.h</a>"</font>
00031 <font class="preprocessor">#include "<a class="code" href="tessellation_8h.html">3d/tessellation.h</a>"</font>
00032 <font class="preprocessor">#include "<a class="code" href="vertex__buffer_8h.html">3d/vertex_buffer.h</a>"</font>
00033
00034
00035 <font class="keyword">namespace </font>NL3D
00036 {
00037
00038
00039 <font class="keyword">class </font>IDriver;
00040
00041
00042 <font class="comment">// ***************************************************************************</font>
00043 <font class="comment">// Landscape VertexProgram: Position of vertices in VertexBuffer.</font>
<a name="l00044"></a><a class="code" href="landscapevb__allocator_8h.html#a0">00044</a> <font class="preprocessor">#define NL3D_LANDSCAPE_VPPOS_STARTPOS (CVertexBuffer::Position)</font>
<a name="l00045"></a><a class="code" href="landscapevb__allocator_8h.html#a1">00045</a> <font class="preprocessor"></font><font class="preprocessor">#define NL3D_LANDSCAPE_VPPOS_TEX0 (CVertexBuffer::TexCoord0)</font>
<a name="l00046"></a><a class="code" href="landscapevb__allocator_8h.html#a2">00046</a> <font class="preprocessor"></font><font class="preprocessor">#define NL3D_LANDSCAPE_VPPOS_TEX1 (CVertexBuffer::TexCoord1)</font>
<a name="l00047"></a><a class="code" href="landscapevb__allocator_8h.html#a3">00047</a> <font class="preprocessor"></font><font class="preprocessor">#define NL3D_LANDSCAPE_VPPOS_TEX2 (CVertexBuffer::TexCoord5)</font>
<a name="l00048"></a><a class="code" href="landscapevb__allocator_8h.html#a4">00048</a> <font class="preprocessor"></font><font class="preprocessor">#define NL3D_LANDSCAPE_VPPOS_GEOMINFO (CVertexBuffer::TexCoord2)</font>
<a name="l00049"></a><a class="code" href="landscapevb__allocator_8h.html#a5">00049</a> <font class="preprocessor"></font><font class="preprocessor">#define NL3D_LANDSCAPE_VPPOS_DELTAPOS (CVertexBuffer::TexCoord3)</font>
<a name="l00050"></a><a class="code" href="landscapevb__allocator_8h.html#a6">00050</a> <font class="preprocessor"></font><font class="preprocessor">#define NL3D_LANDSCAPE_VPPOS_ALPHAINFO (CVertexBuffer::TexCoord4)</font>
00051 <font class="preprocessor"></font>
00052
00053 <font class="comment">// ***************************************************************************</font>
<a name="l00060"></a><a class="code" href="classNL3D_1_1CLandscapeVBAllocator.html">00060</a> <font class="comment"></font><font class="keyword">class </font>CLandscapeVBAllocator
00061 {
00062 <font class="keyword">public</font>:
00063
<a name="l00064"></a><a class="code" href="classNL3D_1_1CLandscapeVBAllocator.html#s3">00064</a> <font class="keyword">enum</font> <a class="code" href="classNL3D_1_1CLandscapeVBAllocator.html#s3">TType</a> {<a class="code" href="classNL3D_1_1CLandscapeVBAllocator.html#s3s0">Far0</a>, <a class="code" href="classNL3D_1_1CLandscapeVBAllocator.html#s3s1">Far1</a>, <a class="code" href="classNL3D_1_1CLandscapeVBAllocator.html#s3s2">Tile</a>};
00065
00067 <a class="code" href="classNL3D_1_1CLandscapeVBAllocator.html#a0">CLandscapeVBAllocator</a>(<a class="code" href="classNL3D_1_1CLandscapeVBAllocator.html#s3">TType</a> <a class="code" href="driver__opengl__extension__def_8h.html#a251">type</a>);
00068 <a class="code" href="classNL3D_1_1CLandscapeVBAllocator.html#a1">~CLandscapeVBAllocator</a>();
00069
00079 <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1CLandscapeVBAllocator.html#a2">updateDriver</a>(IDriver *driver);
00080
00081
00082 <font class="comment">// delete all VB, and free driver ressources (if RefPtr driver not deleted). clear list too.</font>
00083 <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1CLandscapeVBAllocator.html#a3">clear</a>();
00084
00085
00087 <font class="comment">// @{</font>
00088
00089 <font class="comment">// true if reallocationOccurs during a allocateVertex() or a setDriver().</font>
00090 <font class="comment">// a buildVBInfo() should be done and ALL data are lost, so all VB must be rewrited.</font>
<a name="l00091"></a><a class="code" href="classNL3D_1_1CLandscapeVBAllocator.html#z492_0">00091</a> <font class="keywordtype">bool</font> <a class="code" href="classNL3D_1_1CLandscapeVBAllocator.html#z492_0">reallocationOccurs</a>()<font class="keyword"> const </font>{<font class="keywordflow">return</font> <a class="code" href="classNL3D_1_1CLandscapeVBAllocator.html#o1">_ReallocationOccur</a>;}
00092 <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1CLandscapeVBAllocator.html#z492_1">resetReallocation</a>();
00093
00094 <font class="comment">// Allocate free vertices in VB. (AGP or RAM). work with locked or unlocked buffer.</font>
00095 <font class="comment">// NB: if reallocationOccurs(), then ALL data are lost.</font>
00096 <a class="code" href="types__nl_8h.html#a14">uint</a> <a class="code" href="classNL3D_1_1CLandscapeVBAllocator.html#z492_2">allocateVertex</a>();
00097 <font class="comment">// Delete free vertices in VB. (AGP or RAM).</font>
00098 <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1CLandscapeVBAllocator.html#z492_3">deleteVertex</a>(<a class="code" href="types__nl_8h.html#a14">uint</a> vid);
00099 <font class="comment">// @}</font>
00100
00101
00103 <font class="comment">// @{</font>
00107 <font class="comment"></font> <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1CLandscapeVBAllocator.html#z493_0">lockBuffer</a>(CFarVertexBufferInfo &farVB);
00108 <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1CLandscapeVBAllocator.html#z493_0">lockBuffer</a>(CNearVertexBufferInfo &tileVB);
00109 <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1CLandscapeVBAllocator.html#z493_2">unlockBuffer</a>();
<a name="l00110"></a><a class="code" href="classNL3D_1_1CLandscapeVBAllocator.html#z493_3">00110</a> <font class="keywordtype">bool</font> <a class="code" href="classNL3D_1_1CLandscapeVBAllocator.html#z493_3">bufferLocked</a>()<font class="keyword"> const </font>{<font class="keywordflow">return</font> <a class="code" href="classNL3D_1_1CLandscapeVBAllocator.html#z494_6">_BufferLocked</a>;}
00111
00116 <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1CLandscapeVBAllocator.html#z493_4">activate</a>(<a class="code" href="types__nl_8h.html#a14">uint</a> vpId);
00117 <font class="comment">// @}</font>
00118
00119
00120 <font class="comment">// ******************</font>
00121 <font class="keyword">private</font>:
00122
00123 <font class="comment">// For Debug.</font>
<a name="l00124"></a><a class="code" href="structNL3D_1_1CLandscapeVBAllocator_1_1CVertexInfo.html">00124</a> <font class="keyword">struct </font>CVertexInfo
00125 {
<a name="l00126"></a><a class="code" href="structNL3D_1_1CLandscapeVBAllocator_1_1CVertexInfo.html#m0">00126</a> <font class="keywordtype">bool</font> <a class="code" href="structNL3D_1_1CLandscapeVBAllocator_1_1CVertexInfo.html#m0">Free</a>;
00127 };
00128
00129 <font class="keyword">private</font>:
<a name="l00130"></a><a class="code" href="classNL3D_1_1CLandscapeVBAllocator.html#o0">00130</a> <a class="code" href="classNL3D_1_1CLandscapeVBAllocator.html#s3">TType</a> <a class="code" href="classNL3D_1_1CLandscapeVBAllocator.html#o0">_Type</a>;
00131
<a name="l00132"></a><a class="code" href="classNL3D_1_1CLandscapeVBAllocator.html#o1">00132</a> <font class="keywordtype">bool</font> <a class="code" href="classNL3D_1_1CLandscapeVBAllocator.html#o1">_ReallocationOccur</a>;
00133 <font class="comment">// List of vertices free.</font>
<a name="l00134"></a><a class="code" href="classNL3D_1_1CLandscapeVBAllocator.html#o2">00134</a> std::vector<uint> <a class="code" href="classNL3D_1_1CLandscapeVBAllocator.html#o2">_VertexFreeMemory</a>;
<a name="l00135"></a><a class="code" href="classNL3D_1_1CLandscapeVBAllocator.html#o3">00135</a> std::vector<CVertexInfo> <a class="code" href="classNL3D_1_1CLandscapeVBAllocator.html#o3">_VertexInfos</a>;
<a name="l00136"></a><a class="code" href="classNL3D_1_1CLandscapeVBAllocator.html#o4">00136</a> <a class="code" href="types__nl_8h.html#a14">uint</a> <a class="code" href="classNL3D_1_1CLandscapeVBAllocator.html#o4">_NumVerticesAllocated</a>;
00137
00138
00140 <font class="comment">// @{</font>
00141
00142 <font class="comment">// a refPtr on the driver, to delete VBuffer Hard at clear().</font>
<a name="l00143"></a><a class="code" href="classNL3D_1_1CLandscapeVBAllocator.html#z494_2">00143</a> <a class="code" href="classNLMISC_1_1CRefPtr.html">NLMISC::CRefPtr<IDriver></a> <a class="code" href="classNL3D_1_1CLandscapeVBAllocator.html#z494_2">_Driver</a>;
00144 <font class="comment">// tell if VBHard is possible.</font>
<a name="l00145"></a><a class="code" href="classNL3D_1_1CLandscapeVBAllocator.html#z494_3">00145</a> <font class="keywordtype">bool</font> <a class="code" href="classNL3D_1_1CLandscapeVBAllocator.html#z494_3">_VBHardOk</a>;
<a name="l00146"></a><a class="code" href="classNL3D_1_1CLandscapeVBAllocator.html#z494_4">00146</a> CVertexBuffer <a class="code" href="classNL3D_1_1CLandscapeVBAllocator.html#z494_4">_VB</a>;
<a name="l00147"></a><a class="code" href="classNL3D_1_1CLandscapeVBAllocator.html#z494_5">00147</a> <a class="code" href="classNLMISC_1_1CRefPtr.html">NLMISC::CRefPtr<IVertexBufferHard></a> <a class="code" href="classNL3D_1_1CLandscapeVBAllocator.html#z494_5">_VBHard</a>;
<a name="l00148"></a><a class="code" href="classNL3D_1_1CLandscapeVBAllocator.html#z494_6">00148</a> <font class="keywordtype">bool</font> <a class="code" href="classNL3D_1_1CLandscapeVBAllocator.html#z494_6">_BufferLocked</a>;
00149
00150 <font class="comment">/* try to create a vertexBufferHard or a vbSoft if not possible.</font>
00151 <font class="comment"> After this call, the vertexBufferHard may be NULL.</font>
00152 <font class="comment"> */</font>
00153 <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1CLandscapeVBAllocator.html#z494_0">deleteVertexBuffer</a>();
00154 <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1CLandscapeVBAllocator.html#z494_1">allocateVertexBuffer</a>(<a class="code" href="types__nl_8h.html#a10">uint32</a> numVertices);
00155 <font class="comment">// @}</font>
00156
00157
00159 <font class="comment">// @{</font>
00160 <font class="keyword">enum</font> {<a class="code" href="classNL3D_1_1CLandscapeVBAllocator.html#z495_0u0">MaxVertexProgram</a>= 2,};
00161 <font class="comment">// Vertex Program , NULL if not enabled.</font>
<a name="l00162"></a><a class="code" href="classNL3D_1_1CLandscapeVBAllocator.html#z495_3">00162</a> CVertexProgram *<a class="code" href="classNL3D_1_1CLandscapeVBAllocator.html#z495_3">_VertexProgram</a>[<a class="code" href="classNL3D_1_1CLandscapeVBAllocator.html#z495_0u0">MaxVertexProgram</a>];
00163 <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1CLandscapeVBAllocator.html#z495_1">deleteVertexProgram</a>();
00164 <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1CLandscapeVBAllocator.html#z495_2">setupVBFormatAndVertexProgram</a>(<font class="keywordtype">bool</font> withVertexProgram);
00165 <font class="comment">// @}</font>
00166
00167 };
00168
00169
00170 } <font class="comment">// NL3D</font>
00171
00172
00173 <font class="preprocessor">#endif // NL_LANDSCAPEVB_ALLOCATOR_H</font>
00174 <font class="preprocessor"></font>
00175 <font class="comment">/* End of landscapevb_allocator.h */</font>
</pre></div>
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