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doxygen="_cgi:http://www.nevrax.org/cgi-bin/nel-search.cgi" href="http://www.nevrax.org/cgi-bin/nel-search.cgi">Search</a> </center> +<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> + +<!-- footer --> +<BR><FONT Size=+5> </FONT> +</TD> +<TD WIDTH=15><IMG SRC=http://www.nevrax.org/inc/img/pixel.gif WIDTH=15 HEIGHT=15 BORDER=0 ALT=""></TD> +</TR> +</TABLE> +</BODY> +</HTML> |