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<hr><h1>async_texture_manager.h</h1><a href="async__texture__manager_8h.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">#ifndef NL_ASYNC_TEXTURE_MANAGER_H</font>
00027 <font class="preprocessor"></font><font class="preprocessor">#define NL_ASYNC_TEXTURE_MANAGER_H</font>
00028 <font class="preprocessor"></font>
00029
00030 <font class="preprocessor">#include "<a class="code" href="types__nl_8h.html">nel/misc/types_nl.h</a>"</font>
00031 <font class="preprocessor">#include "<a class="code" href="texture__file_8h.html">3d/texture_file.h</a>"</font>
00032 <font class="preprocessor">#include "<a class="code" href="hls__texture__manager_8h.html">3d/hls_texture_manager.h</a>"</font>
00033 <font class="preprocessor">#include <vector></font>
00034 <font class="preprocessor">#include "<a class="code" href="bitmap_8h.html">nel/misc/bitmap.h</a>"</font>
00035
00036
00037 <font class="keyword">namespace </font>NL3D
00038 {
00039
00040
00041 <font class="keyword">class </font>CMeshBaseInstance;
00042
00043
00044 <font class="comment">// ***************************************************************************</font>
<a name="l00053"></a><a class="code" href="classNL3D_1_1CAsyncTextureManager.html">00053</a> <font class="comment"></font><font class="keyword">class </font>CAsyncTextureManager
00054 {
00055 <font class="keyword">public</font>:
<a name="l00057"></a><a class="code" href="classNL3D_1_1CAsyncTextureManager.html#m0">00057</a> CHLSTextureManager <a class="code" href="classNL3D_1_1CAsyncTextureManager.html#m0">HLSManager</a>;
00058
00059 <font class="keyword">public</font>:
00060
00062 <a class="code" href="classNL3D_1_1CAsyncTextureManager.html#a0">CAsyncTextureManager</a>();
00063 <a class="code" href="classNL3D_1_1CAsyncTextureManager.html#a1">~CAsyncTextureManager</a>();
00064
00072 <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1CAsyncTextureManager.html#a2">setupLod</a>(uint baseLevel, uint maxLevel);
00074 <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1CAsyncTextureManager.html#a3">setupMaxUploadPerFrame</a>(uint maxup);
00076 <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1CAsyncTextureManager.html#a4">setupMaxHLSColoringPerFrame</a>(uint maxCol);
00078 <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1CAsyncTextureManager.html#a5">setupMaxTotalTextureSize</a>(uint maxText);
00079
00091 uint <a class="code" href="classNL3D_1_1CAsyncTextureManager.html#a6">addTextureRef</a>(<font class="keyword">const</font> std::string &textName, CMeshBaseInstance *instance);
00092
00094 <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1CAsyncTextureManager.html#a7">releaseTexture</a>(uint <a class="code" href="driver__opengl__extension__def_8h.html#a356">id</a>, CMeshBaseInstance *instance);
00095
00097 <font class="keywordtype">bool</font> <a class="code" href="classNL3D_1_1CAsyncTextureManager.html#a8">isTextureUpLoaded</a>(uint <a class="code" href="driver__opengl__extension__def_8h.html#a356">id</a>) <font class="keyword">const</font>;
00098
00103 <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CBitmap.html">NLMISC::CBitmap</a> *<a class="code" href="classNL3D_1_1CAsyncTextureManager.html#a9">getCoarseBitmap</a>(uint <a class="code" href="driver__opengl__extension__def_8h.html#a356">id</a>) <font class="keyword">const</font>;
00104
00105
00109 <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1CAsyncTextureManager.html#a10">update</a>(IDriver *pDriver);
00110
00111
<a name="l00113"></a><a class="code" href="classNL3D_1_1CAsyncTextureManager.html#a11">00113</a> uint <a class="code" href="classNL3D_1_1CAsyncTextureManager.html#a11">getTotalTextureSizeAsked</a>()<font class="keyword"> const </font>{<font class="keywordflow">return</font> <a class="code" href="classNL3D_1_1CAsyncTextureManager.html#o5">_TotalTextureSizeAsked</a>;}
<a name="l00115"></a><a class="code" href="classNL3D_1_1CAsyncTextureManager.html#a12">00115</a> uint <a class="code" href="classNL3D_1_1CAsyncTextureManager.html#a12">getLastTextureSizeGot</a>()<font class="keyword"> const </font>{<font class="keywordflow">return</font> <a class="code" href="classNL3D_1_1CAsyncTextureManager.html#o6">_LastTextureSizeGot</a>;}
00116
00117
00118 <font class="comment">// ***************************************************************************</font>
00119 <font class="keyword">private</font>:
00120
<a name="l00121"></a><a class="code" href="classNL3D_1_1CAsyncTextureManager.html#u0">00121</a> <font class="keyword">typedef</font> std::map<std::string, uint> <a class="code" href="classNL3D_1_1CAsyncTextureManager.html#u0">TTextureEntryMap</a>;
<a name="l00122"></a><a class="code" href="classNL3D_1_1CAsyncTextureManager.html#u1">00122</a> <font class="keyword">typedef</font> TTextureEntryMap::iterator <a class="code" href="classNL3D_1_1CAsyncTextureManager.html#u1">ItTextureEntryMap</a>;
00123
00124
00125 <font class="comment">// A base texture uploadable.</font>
<a name="l00126"></a><a class="code" href="classNL3D_1_1CAsyncTextureManager_1_1CTextureBase.html">00126</a> <font class="keyword">class </font>CTextureBase
00127 {
00128 <font class="keyword">public</font>:
00129 <font class="comment">// the texture currently loaded / uploaded.</font>
<a name="l00130"></a><a class="code" href="classNL3D_1_1CAsyncTextureManager_1_1CTextureBase.html#m0">00130</a> <a class="code" href="classNLMISC_1_1CSmartPtr.html">NLMISC::CSmartPtr<CTextureFile></a> <a class="code" href="classNL3D_1_1CAsyncTextureManager_1_1CTextureBase.html#m0">Texture</a>;
00131
<a name="l00132"></a><a class="code" href="classNL3D_1_1CAsyncTextureManager_1_1CTextureBase.html#a0">00132</a> <font class="keywordtype">bool</font> <a class="code" href="classNL3D_1_1CAsyncTextureManager_1_1CTextureBase.html#a0">isTextureEntry</a>()<font class="keyword"> const </font>{<font class="keywordflow">return</font> <a class="code" href="classNL3D_1_1CAsyncTextureManager_1_1CTextureBase.html#n0">IsTextureEntry</a>;}
00133 <font class="keyword">protected</font>:
<a name="l00134"></a><a class="code" href="classNL3D_1_1CAsyncTextureManager_1_1CTextureBase.html#n0">00134</a> <font class="keywordtype">bool</font> <a class="code" href="classNL3D_1_1CAsyncTextureManager_1_1CTextureBase.html#n0">IsTextureEntry</a>;
00135 };
00136
00137
00138 <font class="keyword">class </font>CTextureEntry;
00139
00140
00141 <font class="comment">// A Lod version of a texture entry.</font>
<a name="l00142"></a><a class="code" href="classNL3D_1_1CAsyncTextureManager_1_1CTextureLod.html">00142</a> <font class="keyword">class </font>CTextureLod : <font class="keyword">public</font> CTextureBase
00143 {
00144 <font class="keyword">public</font>:
00145 <a class="code" href="classNL3D_1_1CAsyncTextureManager_1_1CTextureLod.html#a0">CTextureLod</a>();
00146
00147 <font class="comment">// A Ptr on the real texture used.</font>
<a name="l00148"></a><a class="code" href="classNL3D_1_1CAsyncTextureManager_1_1CTextureLod.html#m0">00148</a> CTextureEntry *<a class="code" href="classNL3D_1_1CAsyncTextureManager_1_1CTextureLod.html#m0">TextureEntry</a>;
00149 <font class="comment">// Weight of the lod, according to distance and level.</font>
<a name="l00150"></a><a class="code" href="classNL3D_1_1CAsyncTextureManager_1_1CTextureLod.html#m1">00150</a> <font class="keywordtype">float</font> <a class="code" href="classNL3D_1_1CAsyncTextureManager_1_1CTextureLod.html#m1">Weight</a>;
00151 <font class="comment">// the level of this Lod. 0 means full original texture resolution.</font>
<a name="l00152"></a><a class="code" href="classNL3D_1_1CAsyncTextureManager_1_1CTextureLod.html#m2">00152</a> uint8 <a class="code" href="classNL3D_1_1CAsyncTextureManager_1_1CTextureLod.html#m2">Level</a>;
00153 <font class="comment">// True if loading has ended</font>
<a name="l00154"></a><a class="code" href="classNL3D_1_1CAsyncTextureManager_1_1CTextureLod.html#m3">00154</a> <font class="keywordtype">bool</font> <a class="code" href="classNL3D_1_1CAsyncTextureManager_1_1CTextureLod.html#m3">Loaded</a>;
00155 <font class="comment">// True if TextureEntry has at least this lod in VRAM</font>
<a name="l00156"></a><a class="code" href="classNL3D_1_1CAsyncTextureManager_1_1CTextureLod.html#m4">00156</a> <font class="keywordtype">bool</font> <a class="code" href="classNL3D_1_1CAsyncTextureManager_1_1CTextureLod.html#m4">UpLoaded</a>;
00157 <font class="comment">// The size that this lod takes in VRAM (minus TextureEntry->BaseSize)</font>
<a name="l00158"></a><a class="code" href="classNL3D_1_1CAsyncTextureManager_1_1CTextureLod.html#m5">00158</a> uint <a class="code" href="classNL3D_1_1CAsyncTextureManager_1_1CTextureLod.html#m5">ExtraSize</a>;
00159 };
00160
00161
<a name="l00162"></a><a class="code" href="classNL3D_1_1CAsyncTextureManager_1_1CPredTextLod.html">00162</a> <font class="keyword">class </font>CPredTextLod
00163 {
00164 <font class="keyword">public</font>:
<a name="l00165"></a><a class="code" href="classNL3D_1_1CAsyncTextureManager_1_1CPredTextLod.html#a0">00165</a> <font class="keywordtype">bool</font> <a class="code" href="classNL3D_1_1CAsyncTextureManager_1_1CPredTextLod.html#a0">operator()</a>(CTextureLod *lod0, CTextureLod *lod1)
00166 {
00167 <font class="keywordflow">return</font> lod0->Weight<lod1->Weight;
00168 }
00169 };
00170
00171
00172 <font class="comment">// A texture entry</font>
<a name="l00173"></a><a class="code" href="classNL3D_1_1CAsyncTextureManager_1_1CTextureEntry.html">00173</a> <font class="keyword">class </font>CTextureEntry : <font class="keyword">public</font> CTextureBase
00174 {
00175 <font class="keyword">public</font>:
00176 <font class="comment">// The it in the map.</font>
<a name="l00177"></a><a class="code" href="classNL3D_1_1CAsyncTextureManager_1_1CTextureEntry.html#m0">00177</a> ItTextureEntryMap <a class="code" href="classNL3D_1_1CAsyncTextureManager_1_1CTextureEntry.html#m0">ItMap</a>;
00178 <font class="comment">// true if async loading has ended</font>
<a name="l00179"></a><a class="code" href="classNL3D_1_1CAsyncTextureManager_1_1CTextureEntry.html#m1">00179</a> <font class="keywordtype">bool</font> <a class="code" href="classNL3D_1_1CAsyncTextureManager_1_1CTextureEntry.html#m1">Loaded</a>;
00180 <font class="comment">// true if the texture is loaded in the driver (at least the coarsest level).</font>
<a name="l00181"></a><a class="code" href="classNL3D_1_1CAsyncTextureManager_1_1CTextureEntry.html#m2">00181</a> <font class="keywordtype">bool</font> <a class="code" href="classNL3D_1_1CAsyncTextureManager_1_1CTextureEntry.html#m2">UpLoaded</a>;
00182 <font class="comment">// true if first loading ended, and if DXTC with mipmap</font>
<a name="l00183"></a><a class="code" href="classNL3D_1_1CAsyncTextureManager_1_1CTextureEntry.html#m3">00183</a> <font class="keywordtype">bool</font> <a class="code" href="classNL3D_1_1CAsyncTextureManager_1_1CTextureEntry.html#m3">CanHaveLOD</a>;
00184 <font class="comment">// true if this texture must be builded from the HLSManager (at first load)</font>
<a name="l00185"></a><a class="code" href="classNL3D_1_1CAsyncTextureManager_1_1CTextureEntry.html#m4">00185</a> <font class="keywordtype">bool</font> <a class="code" href="classNL3D_1_1CAsyncTextureManager_1_1CTextureEntry.html#m4">BuildFromHLSManager</a>;
00186 <font class="comment">// if BuildFromHLSManager, gives the text id in the manager</font>
<a name="l00187"></a><a class="code" href="classNL3D_1_1CAsyncTextureManager_1_1CTextureEntry.html#m5">00187</a> sint <a class="code" href="classNL3D_1_1CAsyncTextureManager_1_1CTextureEntry.html#m5">HLSManagerTextId</a>;
00188
00189 <font class="comment">// Base Size of the texture, without HDLod</font>
<a name="l00190"></a><a class="code" href="classNL3D_1_1CAsyncTextureManager_1_1CTextureEntry.html#m6">00190</a> uint <a class="code" href="classNL3D_1_1CAsyncTextureManager_1_1CTextureEntry.html#m6">BaseSize</a>;
00191 <font class="comment">// list of instances currently using this texture.</font>
<a name="l00192"></a><a class="code" href="classNL3D_1_1CAsyncTextureManager_1_1CTextureEntry.html#m7">00192</a> std::vector<CMeshBaseInstance*> <a class="code" href="classNL3D_1_1CAsyncTextureManager_1_1CTextureEntry.html#m7">Instances</a>;
00193 <font class="comment">// min distance of all Instances.</font>
<a name="l00194"></a><a class="code" href="classNL3D_1_1CAsyncTextureManager_1_1CTextureEntry.html#m8">00194</a> <font class="keywordtype">float</font> <a class="code" href="classNL3D_1_1CAsyncTextureManager_1_1CTextureEntry.html#m8">MinDistance</a>;
00195 <font class="comment">// with all mipmaps loaded, what place this takes.</font>
<a name="l00196"></a><a class="code" href="classNL3D_1_1CAsyncTextureManager_1_1CTextureEntry.html#m9">00196</a> uint <a class="code" href="classNL3D_1_1CAsyncTextureManager_1_1CTextureEntry.html#m9">TotalTextureSizeAsked</a>;
00197
00198 <font class="comment">// The High Def Lod.</font>
<a name="l00199"></a><a class="code" href="classNL3D_1_1CAsyncTextureManager_1_1CTextureEntry.html#m10">00199</a> CTextureLod <a class="code" href="classNL3D_1_1CAsyncTextureManager_1_1CTextureEntry.html#m10">HDLod</a>;
00200
00201 <font class="comment">// The Coarse Bitmap stored in RAM for CLod</font>
<a name="l00202"></a><a class="code" href="classNL3D_1_1CAsyncTextureManager_1_1CTextureEntry.html#m11">00202</a> <a class="code" href="classNLMISC_1_1CBitmap.html">NLMISC::CBitmap</a> <a class="code" href="classNL3D_1_1CAsyncTextureManager_1_1CTextureEntry.html#m11">CoarseBitmap</a>;
00203
00204 <font class="keyword">public</font>:
00205 <a class="code" href="classNL3D_1_1CAsyncTextureManager_1_1CTextureEntry.html#a0">CTextureEntry</a>();
00206
00207 <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1CAsyncTextureManager_1_1CTextureEntry.html#a1">createCoarseBitmap</a>();
00208 };
00209
00210
00211 <font class="keyword">private</font>:
<a name="l00212"></a><a class="code" href="classNL3D_1_1CAsyncTextureManager.html#o1">00212</a> uint <a class="code" href="classNL3D_1_1CAsyncTextureManager.html#o0">_BaseLodLevel</a>, <a class="code" href="classNL3D_1_1CAsyncTextureManager.html#o1">_MaxLodLevel</a>;
<a name="l00213"></a><a class="code" href="classNL3D_1_1CAsyncTextureManager.html#o2">00213</a> uint <a class="code" href="classNL3D_1_1CAsyncTextureManager.html#o2">_MaxUploadPerFrame</a>;
<a name="l00214"></a><a class="code" href="classNL3D_1_1CAsyncTextureManager.html#o3">00214</a> uint <a class="code" href="classNL3D_1_1CAsyncTextureManager.html#o3">_MaxHLSColoringPerFrame</a>;
<a name="l00215"></a><a class="code" href="classNL3D_1_1CAsyncTextureManager.html#o4">00215</a> uint <a class="code" href="classNL3D_1_1CAsyncTextureManager.html#o4">_MaxTotalTextureSize</a>;
<a name="l00216"></a><a class="code" href="classNL3D_1_1CAsyncTextureManager.html#o5">00216</a> uint <a class="code" href="classNL3D_1_1CAsyncTextureManager.html#o5">_TotalTextureSizeAsked</a>;
<a name="l00217"></a><a class="code" href="classNL3D_1_1CAsyncTextureManager.html#o6">00217</a> uint <a class="code" href="classNL3D_1_1CAsyncTextureManager.html#o6">_LastTextureSizeGot</a>;
00218
00219 <font class="comment">// Textures Entries.</font>
<a name="l00220"></a><a class="code" href="classNL3D_1_1CAsyncTextureManager.html#o7">00220</a> std::vector<CTextureEntry*> <a class="code" href="classNL3D_1_1CAsyncTextureManager.html#o7">_TextureEntries</a>;
<a name="l00221"></a><a class="code" href="classNL3D_1_1CAsyncTextureManager.html#o8">00221</a> std::vector<uint> <a class="code" href="classNL3D_1_1CAsyncTextureManager.html#o8">_FreeTextureIds</a>;
<a name="l00222"></a><a class="code" href="classNL3D_1_1CAsyncTextureManager.html#o9">00222</a> <a class="code" href="classNL3D_1_1CAsyncTextureManager.html#u0">TTextureEntryMap</a> <a class="code" href="classNL3D_1_1CAsyncTextureManager.html#o9">_TextureEntryMap</a>;
<a name="l00223"></a><a class="code" href="classNL3D_1_1CAsyncTextureManager.html#o10">00223</a> std::vector<uint> <a class="code" href="classNL3D_1_1CAsyncTextureManager.html#o10">_WaitingTextures</a>;
00224
00225 <font class="comment">// Upload of texture piece by piece.</font>
<a name="l00226"></a><a class="code" href="classNL3D_1_1CAsyncTextureManager.html#o11">00226</a> CTextureBase *<a class="code" href="classNL3D_1_1CAsyncTextureManager.html#o11">_CurrentUploadTexture</a>;
<a name="l00227"></a><a class="code" href="classNL3D_1_1CAsyncTextureManager.html#o12">00227</a> uint <a class="code" href="classNL3D_1_1CAsyncTextureManager.html#o12">_CurrentUploadTextureMipMap</a>;
<a name="l00228"></a><a class="code" href="classNL3D_1_1CAsyncTextureManager.html#o13">00228</a> uint <a class="code" href="classNL3D_1_1CAsyncTextureManager.html#o13">_CurrentUploadTextureLine</a>;
00229
00230 <font class="comment">// The current HDLod async loaded (NB: loaded / or upLoaded)</font>
<a name="l00231"></a><a class="code" href="classNL3D_1_1CAsyncTextureManager.html#o14">00231</a> CTextureLod *<a class="code" href="classNL3D_1_1CAsyncTextureManager.html#o14">_CurrentTextureLodLoaded</a>;
00232
00233 <font class="keyword">private</font>:
00234
00235 <font class="keyword">static</font> <font class="keywordtype">bool</font> <a class="code" href="classNL3D_1_1CAsyncTextureManager.html#f0">validDXTCMipMap</a>(ITexture *pText);
00236
00237 <font class="comment">// delete the texture and all references in map/array, instance refcount etc...</font>
00238 <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1CAsyncTextureManager.html#c0">deleteTexture</a>(uint <a class="code" href="driver__opengl__extension__def_8h.html#a356">id</a>);
00239
00240 <font class="comment">// Fill _CurrentUploadTexture with next texture to upload, or set NULL if none</font>
00241 <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1CAsyncTextureManager.html#c1">getNextTextureToUpLoad</a>(uint &nTotalColored, IDriver *pDriver);
00242 <font class="keywordtype">bool</font> <a class="code" href="classNL3D_1_1CAsyncTextureManager.html#c2">uploadTexturePart</a>(ITexture *pText, IDriver *pDriver, uint &nTotalUpload);
00243
00244 <font class="comment">// update list of texture lods.</font>
00245 <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1CAsyncTextureManager.html#c3">updateTextureLodSystem</a>(IDriver *pDriver);
00246
00247 };
00248
00249
00250 } <font class="comment">// NL3D</font>
00251
00252
00253 <font class="preprocessor">#endif // NL_ASYNC_TEXTURE_MANAGER_H</font>
00254 <font class="preprocessor"></font>
00255 <font class="comment">/* End of async_texture_manager.h */</font>
</pre></div>
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