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| author | neodarz <neodarz@neodarz.net> | 2018-08-11 20:21:34 +0200 |
|---|---|---|
| committer | neodarz <neodarz@neodarz.net> | 2018-08-11 20:21:34 +0200 |
| commit | 0ea5fc66924303d1bf73ba283a383e2aadee02f2 (patch) | |
| tree | 2568e71a7ccc44ec23b8bb3f0ff97fb6bf2ed709 /docs/doxygen/nel/vertex__buffer__heap_8cpp-source.html | |
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HEIGHT="1" BORDER=0 ALT=""> +</td></tr></table> + + +<!-- block --> +<TABLE bgcolor="#dddddd" CELLSPACING=0 CELLPADDING=0 BORDER=0 width=100%><tr><td width=1% valign=middle><img width=6 height=14 hspace=2 vspace=2 src="http://www.nevrax.org/inc/img/reddots.gif"></TD> + <TD><B>Documentation</B></TD> + <TD ALIGN=RIGHT> </td> +</tr></table> +<!-- Generated by Doxygen 1.2.14 --> +<center> +<a class="qindex" href="index.html">Main Page</a> <a class="qindex" href="namespaces.html">Namespace List</a> <a class="qindex" href="hierarchy.html">Class Hierarchy</a> <a class="qindex" href="classes.html">Alphabetical List</a> <a class="qindex" href="annotated.html">Compound List</a> <a class="qindex" href="files.html">File List</a> <a class="qindex" href="namespacemembers.html">Namespace Members</a> <a class="qindex" href="functions.html">Compound Members</a> <a class="qindex" href="globals.html">File Members</a> <a class="qindex" href="pages.html">Related Pages</a> <a class="qindexRef" 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>vertex_buffer_heap.cpp</h1><a href="vertex__buffer__heap_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="std3d_8h.html">std3d.h</a>"</font> +00027 +00028 <font class="preprocessor">#include "<a class="code" href="vertex__buffer__heap_8h.html">3d/vertex_buffer_heap.h</a>"</font> +00029 <font class="preprocessor">#include "<a class="code" href="common_8h.html">nel/misc/common.h</a>"</font> +00030 +00031 <font class="keyword">using</font> <font class="keyword">namespace </font>NLMISC; +00032 +00033 +00034 <font class="keyword">namespace </font>NL3D +00035 { +00036 +00037 <font class="comment">// ***************************************************************************</font> +<a name="l00038"></a><a class="code" href="classNL3D_1_1CVertexBufferHeap.html#a0">00038</a> CVertexBufferHeap::CVertexBufferHeap() +00039 { +00040 <a class="code" href="classNL3D_1_1CVertexBufferHeap.html#o5">_Enabled</a>= <font class="keyword">false</font>; +00041 <a class="code" href="classNL3D_1_1CVertexBufferHeap.html#o6">_HardMode</a>= <font class="keyword">false</font>; +00042 +00043 <a class="code" href="classNL3D_1_1CVertexBufferHeap.html#o4">_HeapStart</a>= NULL; +00044 <a class="code" href="classNL3D_1_1CVertexBufferHeap.html#o7">_VertexFormat</a>= 0; +00045 <a class="code" href="classNL3D_1_1CVertexBufferHeap.html#o8">_VertexSize</a>= 0; +00046 <a class="code" href="classNL3D_1_1CVertexBufferHeap.html#o9">_MaxVertices</a>= 0; +00047 } +00048 +00049 <font class="comment">// ***************************************************************************</font> +<a name="l00050"></a><a class="code" href="classNL3D_1_1CVertexBufferHeap.html#a1">00050</a> CVertexBufferHeap::~CVertexBufferHeap() +00051 { +00052 <a class="code" href="classNL3D_1_1CVertexBufferHeap.html#z905_1">release</a>(); +00053 } +00054 +00055 <font class="comment">// ***************************************************************************</font> +<a name="l00056"></a><a class="code" href="classNL3D_1_1CVertexBufferHeap.html#z905_0">00056</a> <font class="keywordtype">void</font> CVertexBufferHeap::init(IDriver *driver, uint vertexFormat, uint maxVertices) +00057 { +00058 <a class="code" href="debug_8h.html#a6">nlassert</a>(driver); +00059 <font class="comment">// clean before.</font> +00060 <a class="code" href="classNL3D_1_1CVertexBufferHeap.html#z905_1">release</a>(); +00061 +00062 <font class="comment">// setup</font> +00063 <a class="code" href="classNL3D_1_1CVertexBufferHeap.html#o0">_Driver</a>= driver; +00064 +00065 <font class="comment">// setup the vertexBuffer soft with queried info.</font> +00066 <a class="code" href="classNL3D_1_1CVertexBufferHeap.html#o2">_VBSoft</a>.setVertexFormat(vertexFormat); +00067 <font class="comment">// VertexSize must be a multitple of 4 (Heap alignement ...)</font> +00068 <a class="code" href="debug_8h.html#a6">nlassert</a>( (<a class="code" href="classNL3D_1_1CVertexBufferHeap.html#o2">_VBSoft</a>.getVertexSize()&3) == 0) +00069 +00070 <font class="comment">// create the VBHard, if possible</font> +00071 <a class="code" href="classNL3D_1_1CVertexBufferHeap.html#o1">_VBHard</a>= driver->createVertexBufferHard(<a class="code" href="classNL3D_1_1CVertexBufferHeap.html#o2">_VBSoft</a>.getVertexFormat(), <a class="code" href="classNL3D_1_1CVertexBufferHeap.html#o2">_VBSoft</a>.getValueTypePointer(), maxVertices, IDriver::VBHardAGP); +00072 +00073 <font class="comment">// Ok</font> +00074 <a class="code" href="classNL3D_1_1CVertexBufferHeap.html#o5">_Enabled</a>= <font class="keyword">true</font>; +00075 <a class="code" href="classNL3D_1_1CVertexBufferHeap.html#o7">_VertexFormat</a>= <a class="code" href="classNL3D_1_1CVertexBufferHeap.html#o2">_VBSoft</a>.getVertexFormat(); +00076 <a class="code" href="classNL3D_1_1CVertexBufferHeap.html#o8">_VertexSize</a>= <a class="code" href="classNL3D_1_1CVertexBufferHeap.html#o2">_VBSoft</a>.getVertexSize(); +00077 <a class="code" href="classNL3D_1_1CVertexBufferHeap.html#o9">_MaxVertices</a>= maxVertices; +00078 +00079 <font class="comment">// Use hard or soft ???</font> +00080 <font class="keywordflow">if</font>(_VBHard) +00081 { +00082 <a class="code" href="classNL3D_1_1CVertexBufferHeap.html#o6">_HardMode</a>= <font class="keyword">true</font>; +00083 <font class="comment">// setup heap start with good AGP ptr.</font> +00084 <a class="code" href="classNL3D_1_1CVertexBufferHeap.html#o4">_HeapStart</a>= (uint8*)<a class="code" href="classNL3D_1_1CVertexBufferHeap.html#o1">_VBHard</a>->lock(); +00085 <font class="comment">// just a gestion lock, no vertices have changed.</font> +00086 <a class="code" href="classNL3D_1_1CVertexBufferHeap.html#o1">_VBHard</a>->unlock(0,0); +00087 } +00088 <font class="keywordflow">else</font> +00089 { +00090 <a class="code" href="classNL3D_1_1CVertexBufferHeap.html#o6">_HardMode</a>= <font class="keyword">false</font>; +00091 <font class="comment">// => allocate soft one.</font> +00092 <a class="code" href="classNL3D_1_1CVertexBufferHeap.html#o2">_VBSoft</a>.setNumVertices(maxVertices); +00093 <font class="comment">// setup heap start with good ptr.</font> +00094 <a class="code" href="classNL3D_1_1CVertexBufferHeap.html#o4">_HeapStart</a>= (uint8*)<a class="code" href="classNL3D_1_1CVertexBufferHeap.html#o2">_VBSoft</a>.getVertexCoordPointer(); +00095 } +00096 +00097 <font class="comment">// setup heap Manager with good ptr.</font> +00098 <a class="code" href="classNL3D_1_1CVertexBufferHeap.html#o3">_HeapManager</a>.<a class="code" href="classNLMISC_1_1CHeapMemory.html#a3">initHeap</a>(<a class="code" href="classNL3D_1_1CVertexBufferHeap.html#o4">_HeapStart</a>, <a class="code" href="classNL3D_1_1CVertexBufferHeap.html#o9">_MaxVertices</a>*<a class="code" href="classNL3D_1_1CVertexBufferHeap.html#o8">_VertexSize</a>); +00099 } +00100 <font class="comment">// ***************************************************************************</font> +<a name="l00101"></a><a class="code" href="classNL3D_1_1CVertexBufferHeap.html#z905_1">00101</a> <font class="keywordtype">void</font> CVertexBufferHeap::release() +00102 { +00103 <font class="keywordflow">if</font>(_VBHard) +00104 { +00105 <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="classNL3D_1_1CVertexBufferHeap.html#o0">_Driver</a>); +00106 <a class="code" href="classNL3D_1_1CVertexBufferHeap.html#o0">_Driver</a>->deleteVertexBufferHard(<a class="code" href="classNL3D_1_1CVertexBufferHeap.html#o1">_VBHard</a>); +00107 } +00108 <a class="code" href="classNL3D_1_1CVertexBufferHeap.html#o1">_VBHard</a>= NULL; +00109 <a class="code" href="classNL3D_1_1CVertexBufferHeap.html#o0">_Driver</a>= NULL; +00110 <a class="code" href="classNL3D_1_1CVertexBufferHeap.html#o4">_HeapStart</a>= NULL; +00111 <font class="comment">// release all memory</font> +00112 <a class="code" href="namespaceNLMISC.html#a222">contReset</a>(<a class="code" href="classNL3D_1_1CVertexBufferHeap.html#o2">_VBSoft</a>); +00113 <a class="code" href="namespaceNLMISC.html#a222">contReset</a>(<a class="code" href="classNL3D_1_1CVertexBufferHeap.html#o3">_HeapManager</a>); +00114 +00115 <a class="code" href="classNL3D_1_1CVertexBufferHeap.html#o5">_Enabled</a>= <font class="keyword">false</font>; +00116 <a class="code" href="classNL3D_1_1CVertexBufferHeap.html#o6">_HardMode</a>= <font class="keyword">false</font>; +00117 <a class="code" href="classNL3D_1_1CVertexBufferHeap.html#o7">_VertexFormat</a>= 0; +00118 <a class="code" href="classNL3D_1_1CVertexBufferHeap.html#o8">_VertexSize</a>= 0; +00119 <a class="code" href="classNL3D_1_1CVertexBufferHeap.html#o9">_MaxVertices</a>= 0; +00120 } +00121 +00122 <font class="comment">// ***************************************************************************</font> +<a name="l00123"></a><a class="code" href="classNL3D_1_1CVertexBufferHeap.html#z906_0">00123</a> <font class="keywordtype">bool</font> CVertexBufferHeap::allocate(uint numVertices, uint &indexStart) +00124 { +00125 <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="classNL3D_1_1CVertexBufferHeap.html#z905_2">enabled</a>()); +00126 +00127 <font class="comment">// allocate into the heap ?</font> +00128 uint8 *ptr= (uint8*)<a class="code" href="classNL3D_1_1CVertexBufferHeap.html#o3">_HeapManager</a>.<a class="code" href="classNLMISC_1_1CHeapMemory.html#a6">allocate</a>(numVertices*<a class="code" href="classNL3D_1_1CVertexBufferHeap.html#z905_5">getVertexSize</a>()); +00129 <font class="keywordflow">if</font>(!ptr) +00130 <font class="keywordflow">return</font> <font class="keyword">false</font>; +00131 <font class="keywordflow">else</font> +00132 { +00133 <font class="comment">// compute vertex index</font> +00134 indexStart= (uint)(ptr-<a class="code" href="classNL3D_1_1CVertexBufferHeap.html#o4">_HeapStart</a>); +00135 indexStart/= <a class="code" href="classNL3D_1_1CVertexBufferHeap.html#o8">_VertexSize</a>; +00136 <font class="keywordflow">return</font> <font class="keyword">true</font>; +00137 } +00138 } +00139 <font class="comment">// ***************************************************************************</font> +<a name="l00140"></a><a class="code" href="classNL3D_1_1CVertexBufferHeap.html#z906_1">00140</a> <font class="keywordtype">void</font> CVertexBufferHeap::free(uint indexStart) +00141 { +00142 <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="classNL3D_1_1CVertexBufferHeap.html#z905_2">enabled</a>()); +00143 +00144 <font class="comment">// compute ptr to free</font> +00145 uint8 *ptr= <a class="code" href="classNL3D_1_1CVertexBufferHeap.html#o4">_HeapStart</a> + indexStart*<a class="code" href="classNL3D_1_1CVertexBufferHeap.html#o8">_VertexSize</a>; +00146 <font class="comment">// free it.</font> +00147 <a class="code" href="classNL3D_1_1CVertexBufferHeap.html#o3">_HeapManager</a>.<a class="code" href="classNLMISC_1_1CHeapMemory.html#a7">free</a>(ptr); +00148 } +00149 +00150 <font class="comment">// ***************************************************************************</font> +<a name="l00151"></a><a class="code" href="classNL3D_1_1CVertexBufferHeap.html#z907_0">00151</a> uint8 *CVertexBufferHeap::lock(uint indexStart) +00152 { +00153 <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="classNL3D_1_1CVertexBufferHeap.html#z905_2">enabled</a>()); +00154 +00155 uint8 *ptr; +00156 <font class="keywordflow">if</font>(_HardMode) +00157 { +00158 <font class="comment">// lock the vbHard</font> +00159 ptr= (uint8*)<a class="code" href="classNL3D_1_1CVertexBufferHeap.html#o1">_VBHard</a>->lock(); +00160 <a class="code" href="debug_8h.html#a6">nlassert</a>(ptr==<a class="code" href="classNL3D_1_1CVertexBufferHeap.html#o4">_HeapStart</a>); +00161 } +00162 <font class="keywordflow">else</font> +00163 ptr= <a class="code" href="classNL3D_1_1CVertexBufferHeap.html#o4">_HeapStart</a>; +00164 +00165 <font class="comment">// index it with index</font> +00166 <font class="keywordflow">return</font> ptr + indexStart*<a class="code" href="classNL3D_1_1CVertexBufferHeap.html#o8">_VertexSize</a>; +00167 } +00168 <font class="comment">// ***************************************************************************</font> +<a name="l00169"></a><a class="code" href="classNL3D_1_1CVertexBufferHeap.html#z907_1">00169</a> <font class="keywordtype">void</font> CVertexBufferHeap::unlock(uint startVert, uint endVert) +00170 { +00171 <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="classNL3D_1_1CVertexBufferHeap.html#z905_2">enabled</a>()); +00172 +00173 <font class="keywordflow">if</font>(_HardMode) +00174 <a class="code" href="classNL3D_1_1CVertexBufferHeap.html#o1">_VBHard</a>->unlock(startVert, endVert); +00175 } +00176 <font class="comment">// ***************************************************************************</font> +<a name="l00177"></a><a class="code" href="classNL3D_1_1CVertexBufferHeap.html#z907_2">00177</a> <font class="keywordtype">void</font> CVertexBufferHeap::activate() +00178 { +00179 <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="classNL3D_1_1CVertexBufferHeap.html#z905_2">enabled</a>()); +00180 +00181 <font class="keywordflow">if</font>(_HardMode) +00182 <a class="code" href="classNL3D_1_1CVertexBufferHeap.html#o0">_Driver</a>->activeVertexBufferHard(<a class="code" href="classNL3D_1_1CVertexBufferHeap.html#o1">_VBHard</a>); +00183 <font class="keywordflow">else</font> +00184 <a class="code" href="classNL3D_1_1CVertexBufferHeap.html#o0">_Driver</a>->activeVertexBuffer(<a class="code" href="classNL3D_1_1CVertexBufferHeap.html#o2">_VBSoft</a>); +00185 } +00186 +00187 +00188 } <font class="comment">// NL3D</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> |