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<hr><h1>texture_dlm.cpp</h1><a href="texture__dlm_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="texture__dlm_8h.html">3d/texture_dlm.h</a>"</font>
00029 <font class="preprocessor">#include "<a class="code" href="common_8h.html">nel/misc/common.h</a>"</font>
00030 <font class="preprocessor">#include "<a class="code" href="fast__mem_8h.html">nel/misc/fast_mem.h</a>"</font>
00031
00032
00033 <font class="keyword">using</font> <font class="keyword">namespace </font>std;
00034 <font class="keyword">using</font> <font class="keyword">namespace </font>NLMISC;
00035
00036
00037 <font class="keyword">namespace </font>NL3D
00038 {
00039
00040
00041 <font class="comment">// ***************************************************************************</font>
<a name="l00042"></a><a class="code" href="classNL3D_1_1CTextureDLM.html#a0">00042</a> CTextureDLM::CTextureDLM(uint <a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>, uint <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>)
00043 {
00044 <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>>=<a class="code" href="texture__dlm_8h.html#a0">NL_DLM_BLOCK_SIZE</a>);
00045 <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>>=<a class="code" href="texture__dlm_8h.html#a0">NL_DLM_BLOCK_SIZE</a>);
00046 <a class="code" href="debug_8h.html#a6">nlassert</a>(NLMISC::isPowerOf2(<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>));
00047 <a class="code" href="debug_8h.html#a6">nlassert</a>(NLMISC::isPowerOf2(<a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>));
00048
00049 <font class="comment">// verify there is sufficient blocks.</font>
00050 <a class="code" href="classNL3D_1_1CTextureDLM.html#o0">_WBlock</a>= <a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>/<a class="code" href="texture__dlm_8h.html#a0">NL_DLM_BLOCK_SIZE</a>;
00051 uint nBlocks= <a class="code" href="classNL3D_1_1CTextureDLM.html#o0">_WBlock</a> * (<a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>/<a class="code" href="texture__dlm_8h.html#a0">NL_DLM_BLOCK_SIZE</a>);
00052 <a class="code" href="debug_8h.html#a6">nlassert</a>(nBlocks>=<a class="code" href="texture__dlm_8h.html#a1">NL_DLM_LIGHTMAP_TYPE_SIZE</a>);
00053
00054
00055 <font class="comment">// The DLM texture always reside in memory...</font>
00056 <font class="comment">// NB: this is simplier like that, and this is not a problem, since actually only 256Ko is allocated :o)</font>
00057 <a class="code" href="classNL3D_1_1ITexture.html#a3">setReleasable</a>(<font class="keyword">false</font>);
00058 <font class="comment">// create the bitmap.</font>
00059 CBitmap::resize(<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>, CBitmap::RGBA);
00060 <font class="comment">// Format of texture, 32 bits and no mipmaps.</font>
00061 <font class="comment">// NB: 16 bits is not a good idea, because implies lot of flicking</font>
00062 <a class="code" href="classNL3D_1_1ITexture.html#z826_4">setUploadFormat</a>(ITexture::RGBA8888);
00063 <a class="code" href="classNL3D_1_1ITexture.html#z826_6">setFilterMode</a>(ITexture::Linear, ITexture::LinearMipMapOff);
00064
00065 <font class="comment">// Fill the array of blocks.</font>
00066 <a class="code" href="classNL3D_1_1CTextureDLM.html#o1">_Blocks</a>.resize(nBlocks);
00067 <a class="code" href="classNL3D_1_1CTextureDLM.html#o2">_EmptyBlocks</a>.resize(nBlocks);
00068 sint i;
00069 <font class="keywordflow">for</font>(i=0;i<(sint)<a class="code" href="classNL3D_1_1CTextureDLM.html#o1">_Blocks</a>.size();i++)
00070 {
00071 <font class="comment">// compute position of the block in the texture</font>
00072 <a class="code" href="classNL3D_1_1CTextureDLM.html#o1">_Blocks</a>[i].PosX= (i%<a class="code" href="classNL3D_1_1CTextureDLM.html#o0">_WBlock</a>) * <a class="code" href="texture__dlm_8h.html#a0">NL_DLM_BLOCK_SIZE</a>;
00073 <a class="code" href="classNL3D_1_1CTextureDLM.html#o1">_Blocks</a>[i].PosY= (i/<a class="code" href="classNL3D_1_1CTextureDLM.html#o0">_WBlock</a>) * <a class="code" href="texture__dlm_8h.html#a0">NL_DLM_BLOCK_SIZE</a>;
00074
00075 <font class="comment">// This block is free!!</font>
00076 <a class="code" href="classNL3D_1_1CTextureDLM.html#o2">_EmptyBlocks</a>[i]=i;
00077 }
00078
00079 <font class="comment">// init list to NULL.</font>
00080 <font class="keywordflow">for</font>(i=0;i<(sint)<a class="code" href="texture__dlm_8h.html#a1">NL_DLM_LIGHTMAP_TYPE_SIZE</a>;i++)
00081 {
00082 <a class="code" href="classNL3D_1_1CTextureDLM.html#o3">_FreeBlocks</a>[i]= NULL;
00083 }
00084
00085 <font class="comment">// Since NL_DLM_BLOCK_SIZE is 10 or 18 (a factor of prime number 5 or 3 respectively), we are sure there is </font>
00086 <font class="comment">// at least one pixel which is not used by blcks. The last pixel is filled with black (see CTextureDLm doc)</font>
00087 <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="texture__dlm_8h.html#a0">NL_DLM_BLOCK_SIZE</a>==10 || <a class="code" href="texture__dlm_8h.html#a0">NL_DLM_BLOCK_SIZE</a>==18);
00088 CRGBA *ptr= (CRGBA*)(&CBitmap::getPixels(0)[0]);
00089 <font class="comment">// fill last pixel with black.</font>
00090 ptr[<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>*<a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>-1]= CRGBA::Black;
00091 <font class="comment">// Also, to ensure the texture do not wrap around, disable Tiling.</font>
00092 ITexture::setWrapS(ITexture::Clamp);
00093 ITexture::setWrapT(ITexture::Clamp);
00094 }
00095
00096
00097 <font class="comment">// ***************************************************************************</font>
<a name="l00098"></a><a class="code" href="classNL3D_1_1CTextureDLM.html#c0">00098</a> uint CTextureDLM::getTypeForSize(uint <a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>, uint <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>)
00099 {
00100 <font class="preprocessor">#ifdef NL_DLM_TILE_RES</font>
00101 <font class="preprocessor"></font> <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>==3 || <a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>==5 || <a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>==9 || <a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>==17);
00102 <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>==3 || <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>==5 || <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>==9 || <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>==17);
00103 <font class="preprocessor">#else</font>
00104 <font class="preprocessor"></font> <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>==2 || <a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>==3 || <a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>==5 || <a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>==9);
00105 <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>==2 || <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>==3 || <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>==5 || <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>==9);
00106 <font class="preprocessor">#endif</font>
00107 <font class="preprocessor"></font>
00108 <font class="comment">// 0 for 2, 1 for 3, 2 for 5, and 3 for 9, and 4 for 17</font>
00109 <a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>= <a class="code" href="namespaceNLMISC.html#a224">getPowerOf2</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>-1);
00110 <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>= <a class="code" href="namespaceNLMISC.html#a224">getPowerOf2</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>-1);
00111 <font class="preprocessor">#ifdef NL_DLM_TILE_RES</font>
00112 <font class="preprocessor"></font> <font class="comment">// 0 for 3, 1 for 5, 2, for 9, and 3 for 17</font>
00113 <a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>--; <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>--;
00114 <font class="preprocessor">#endif</font>
00115 <font class="preprocessor"></font>
00116 uint <a class="code" href="driver__opengl__extension__def_8h.html#a356">id</a>= <a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a> + <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>*4;
00117 <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a356">id</a><<a class="code" href="texture__dlm_8h.html#a1">NL_DLM_LIGHTMAP_TYPE_SIZE</a>);
00118
00119 <font class="keywordflow">return</font> <a class="code" href="driver__opengl__extension__def_8h.html#a356">id</a>;
00120 }
00121
00122
00123 <font class="comment">// ***************************************************************************</font>
<a name="l00124"></a><a class="code" href="classNL3D_1_1CTextureDLM.html#z829_0">00124</a> <font class="keywordtype">bool</font> CTextureDLM::canCreateLightMap(uint <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>, uint h)
00125 {
00126 <font class="comment">// First test if the list is not empty.</font>
00127 <font class="keywordflow">if</font>(<a class="code" href="classNL3D_1_1CTextureDLM.html#o3">_FreeBlocks</a>[<a class="code" href="classNL3D_1_1CTextureDLM.html#c0">getTypeForSize</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>,h)])
00128 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00129
00130 <font class="comment">// If empty, test if there is an empty block.</font>
00131 <font class="keywordflow">return</font> <a class="code" href="classNL3D_1_1CTextureDLM.html#o2">_EmptyBlocks</a>.size()>0;
00132 }
00133
00134
00135 <font class="comment">// ***************************************************************************</font>
<a name="l00136"></a><a class="code" href="classNL3D_1_1CTextureDLM.html#c1">00136</a> <font class="keywordtype">void</font> CTextureDLM::linkFreeBlock(uint lMapType, CBlock *block)
00137 {
00138 <font class="comment">// link me to others</font>
00139 block->FreeNext= <a class="code" href="classNL3D_1_1CTextureDLM.html#o3">_FreeBlocks</a>[lMapType];
00140 block-><a class="code" href="structNL3D_1_1CTextureDLM_1_1CBlock.html#m5">FreePrec</a>= NULL;
00141 <font class="comment">// link other to me</font>
00142 <font class="keywordflow">if</font>(<a class="code" href="classNL3D_1_1CTextureDLM.html#o3">_FreeBlocks</a>[lMapType])
00143 <a class="code" href="classNL3D_1_1CTextureDLM.html#o3">_FreeBlocks</a>[lMapType]-><a class="code" href="structNL3D_1_1CTextureDLM_1_1CBlock.html#m5">FreePrec</a>= block;
00144 <a class="code" href="classNL3D_1_1CTextureDLM.html#o3">_FreeBlocks</a>[lMapType]= block;
00145 }
00146
00147 <font class="comment">// ***************************************************************************</font>
<a name="l00148"></a><a class="code" href="classNL3D_1_1CTextureDLM.html#c2">00148</a> <font class="keywordtype">void</font> CTextureDLM::unlinkFreeBlock(uint lMapType, CBlock *block)
00149 {
00150 <font class="comment">// unlink other from me</font>
00151 <font class="keywordflow">if</font>(block->FreeNext)
00152 block-><a class="code" href="structNL3D_1_1CTextureDLM_1_1CBlock.html#m6">FreeNext</a>-><a class="code" href="structNL3D_1_1CTextureDLM_1_1CBlock.html#m5">FreePrec</a>= block-><a class="code" href="structNL3D_1_1CTextureDLM_1_1CBlock.html#m5">FreePrec</a>;
00153 <font class="keywordflow">if</font>(block->FreePrec)
00154 block-><a class="code" href="structNL3D_1_1CTextureDLM_1_1CBlock.html#m5">FreePrec</a>-><a class="code" href="structNL3D_1_1CTextureDLM_1_1CBlock.html#m6">FreeNext</a>= block-><a class="code" href="structNL3D_1_1CTextureDLM_1_1CBlock.html#m6">FreeNext</a>;
00155 <font class="keywordflow">else</font>
00156 <a class="code" href="classNL3D_1_1CTextureDLM.html#o3">_FreeBlocks</a>[lMapType]= block-><a class="code" href="structNL3D_1_1CTextureDLM_1_1CBlock.html#m6">FreeNext</a>;
00157 <font class="comment">// reset me</font>
00158 block-><a class="code" href="structNL3D_1_1CTextureDLM_1_1CBlock.html#m5">FreePrec</a>= NULL;
00159 block-><a class="code" href="structNL3D_1_1CTextureDLM_1_1CBlock.html#m6">FreeNext</a>= NULL;
00160 }
00161
00162
00163 <font class="comment">// ***************************************************************************</font>
<a name="l00164"></a><a class="code" href="classNL3D_1_1CTextureDLM.html#z829_1">00164</a> <font class="keywordtype">bool</font> CTextureDLM::createLightMap(uint <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>, uint h, uint &<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>, uint &<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>)
00165 {
00166 <font class="comment">// at least cna create it??</font>
00167 <font class="keywordflow">if</font>(!<a class="code" href="classNL3D_1_1CTextureDLM.html#z829_0">canCreateLightMap</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>, h))
00168 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00169
00170 <font class="comment">// the type of lightmap.</font>
00171 uint lMapType= <a class="code" href="classNL3D_1_1CTextureDLM.html#c0">getTypeForSize</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>,h);
00172
00173 <font class="comment">// First manage case list is empty.</font>
00174 <font class="comment">//===================</font>
00175 <font class="keywordflow">if</font>(<a class="code" href="classNL3D_1_1CTextureDLM.html#o3">_FreeBlocks</a>[lMapType]==NULL)
00176 {
00177 <font class="comment">// list is empty => allocate a block from _EmptyBlocks.</font>
00178 <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="classNL3D_1_1CTextureDLM.html#o2">_EmptyBlocks</a>.size()>0);
00179
00180 <font class="comment">// pop a block from empty list</font>
00181 CBlock *block= &<a class="code" href="classNL3D_1_1CTextureDLM.html#o1">_Blocks</a>[<a class="code" href="classNL3D_1_1CTextureDLM.html#o2">_EmptyBlocks</a>.back()];
00182 <a class="code" href="classNL3D_1_1CTextureDLM.html#o2">_EmptyBlocks</a>.pop_back();
00183
00184 <font class="comment">// init this block.</font>
00185 <a class="code" href="debug_8h.html#a6">nlassert</a>(block->FreeSpace==0);
00186 <font class="comment">// set size of lightmaps for this blocks.</font>
00187 block->Width= <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>;
00188 block->Height= h;
00189
00190 <font class="comment">// Link this block to the list.</font>
00191 <a class="code" href="classNL3D_1_1CTextureDLM.html#c1">linkFreeBlock</a>(lMapType, block);
00192 }
00193
00194 <font class="comment">// Get the block from the list.</font>
00195 CBlock *block= <a class="code" href="classNL3D_1_1CTextureDLM.html#o3">_FreeBlocks</a>[lMapType];
00196
00197 <font class="comment">// Allocate block lightmap.</font>
00198 <font class="comment">//===================</font>
00199
00200 <font class="comment">// compute block info.</font>
00201 uint nLMapOnX= <a class="code" href="texture__dlm_8h.html#a0">NL_DLM_BLOCK_SIZE</a> / block->Width;
00202 uint nLMapOnY= <a class="code" href="texture__dlm_8h.html#a0">NL_DLM_BLOCK_SIZE</a> / block->Height;
00203 uint nLMapPerBlock= nLMapOnX * nLMapOnY;
00204 <font class="comment">// bit must fit in a uint64</font>
00205 <a class="code" href="debug_8h.html#a6">nlassert</a>(nLMapPerBlock<=64);
00206
00207 <font class="comment">// get an id in the FreeSpace bitField.</font>
00208 uint i;
00209 <font class="keywordflow">for</font>(i= 0;i<nLMapPerBlock; i++)
00210 {
00211 uint mask= 1<<i;
00212 <font class="comment">// If the bit is not set, then this id is free.</font>
00213 <font class="keywordflow">if</font>( (block->FreeSpace & mask)==0 )
00214 {
00215 <font class="comment">// take this id, hence set this bit</font>
00216 block->FreeSpace|= mask;
00217 <font class="comment">// stop, found.</font>
00218 <font class="keywordflow">break</font>;
00219 }
00220 }
00221 <a class="code" href="debug_8h.html#a6">nlassert</a>(i<nLMapPerBlock);
00222
00223 <font class="comment">// compute x/y texture pos for this id.</font>
00224 <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>= block->PosX + (i%nLMapOnX) * <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>;
00225 <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>= block->PosY + (i/nLMapOnX) * h;
00226
00227
00228 <font class="comment">// if lightmap full</font>
00229 <font class="comment">//===================</font>
00230 <font class="comment">// if bitfield is full</font>
00231 <font class="keywordflow">if</font>( block->FreeSpace == (uint)(1<<nLMapPerBlock)-1 )
00232 {
00233 <font class="comment">// Must remove it from free list.</font>
00234 <a class="code" href="classNL3D_1_1CTextureDLM.html#c2">unlinkFreeBlock</a>(lMapType, block);
00235 }
00236
00237 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00238 }
00239
00240 <font class="comment">// ***************************************************************************</font>
<a name="l00241"></a><a class="code" href="classNL3D_1_1CTextureDLM.html#z829_2">00241</a> <font class="keywordtype">void</font> CTextureDLM::copyRect(uint <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>, uint <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>, uint <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>, uint h, CRGBA *textMap)
00242 {
00243 <font class="comment">// copy image.</font>
00244 CRGBA *<a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>= textMap;
00245 CRGBA *dst= (CRGBA*)&(*<a class="code" href="classNLMISC_1_1CBitmap.html#z277_0">getPixels</a>().begin());
00246 dst+= <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>*<a class="code" href="classNLMISC_1_1CBitmap.html#a6">getWidth</a>()+<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>;
00247 <font class="keywordflow">for</font>(sint n= h;n>0;n--, <a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>+= <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>, dst+= <a class="code" href="classNLMISC_1_1CBitmap.html#a6">getWidth</a>())
00248 {
00249 memcpy(dst, <a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>*<font class="keyword">sizeof</font>(CRGBA));
00250 }
00251
00252 <font class="comment">// Invalidate the rectangle.</font>
00253 ITexture::touchRect(CRect(<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>, h));
00254 }
00255
00256 <font class="comment">// ***************************************************************************</font>
<a name="l00257"></a><a class="code" href="classNL3D_1_1CTextureDLM.html#z829_3">00257</a> <font class="keywordtype">void</font> CTextureDLM::fillRect(uint <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>, uint <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>, uint <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>, uint h, uint8 <a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>)
00258 {
00259 <font class="comment">// copy image.</font>
00260 CRGBA *dst= (CRGBA*)&(*<a class="code" href="classNLMISC_1_1CBitmap.html#z277_0">getPixels</a>().begin());
00261 dst+= <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>*<a class="code" href="classNLMISC_1_1CBitmap.html#a6">getWidth</a>()+<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>;
00262 <font class="keywordflow">for</font>(sint n= h;n>0;n--, dst+= <a class="code" href="classNLMISC_1_1CBitmap.html#a6">getWidth</a>())
00263 {
00264 memset(dst, <a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>*<font class="keyword">sizeof</font>(CRGBA));
00265 }
00266
00267 <font class="comment">// Invalidate the rectangle.</font>
00268 ITexture::touchRect(CRect(<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>, h));
00269 }
00270
00271
00272 <font class="comment">// ***************************************************************************</font>
<a name="l00273"></a><a class="code" href="classNL3D_1_1CTextureDLM.html#z829_4">00273</a> <font class="keywordtype">void</font> CTextureDLM::modulateAndfillRect565(uint <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>, uint <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>, uint <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>, uint h, CRGBA *textMap, uint16 *modColor)
00274 {
00275 <font class="comment">// compute start dst to copy.</font>
00276 CRGBA *dst= (CRGBA*)&(*<a class="code" href="classNLMISC_1_1CBitmap.html#z277_0">getPixels</a>().begin());
00277 dst+= <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>*<a class="code" href="classNLMISC_1_1CBitmap.html#a6">getWidth</a>()+<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>;
00278
00279 <font class="comment">// precahce Data in memory (best CPU support)</font>
00280 CFastMem::precache(textMap, <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>*h*<font class="keyword">sizeof</font>(CRGBA));
00281 CFastMem::precache(modColor, <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>*h*<font class="keyword">sizeof</font>(uint16));
00282
00283 <font class="comment">// For all lines</font>
00284 <font class="keywordflow">for</font>(sint n= h;n>0;n--, dst+= (<a class="code" href="classNLMISC_1_1CBitmap.html#a6">getWidth</a>()-<a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>) )
00285 {
00286 <font class="comment">// For all the line.</font>
00287 <font class="keywordflow">for</font>(sint nc= <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>;nc>0;nc--, textMap++, modColor++, dst++)
00288 {
00289 uint16 tc= *modColor;
00290 <font class="comment">// modulate R.</font>
00291 dst->R= ( (tc>>11) * textMap->R)>>5;
00292 <font class="comment">// modulate G.</font>
00293 dst->G= (((tc>>5)&63) * textMap->G)>>6;
00294 <font class="comment">// modulate B.</font>
00295 dst->B= ( (tc&31) * textMap->B)>>5;
00296 }
00297 }
00298
00299 <font class="comment">// Invalidate the rectangle.</font>
00300 ITexture::touchRect(CRect(<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>, h));
00301 }
00302
00303
00304 <font class="comment">// ***************************************************************************</font>
<a name="l00305"></a><a class="code" href="classNL3D_1_1CTextureDLM.html#z829_5">00305</a> <font class="keywordtype">void</font> CTextureDLM::modulateAndfillRect8888(uint <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>, uint <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>, uint <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>, uint h, CRGBA *textMap, CRGBA *modColor)
00306 {
00307 <font class="comment">// compute start dst to copy.</font>
00308 CRGBA *dst= (CRGBA*)&(*<a class="code" href="classNLMISC_1_1CBitmap.html#z277_0">getPixels</a>().begin());
00309 dst+= <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>*<a class="code" href="classNLMISC_1_1CBitmap.html#a6">getWidth</a>()+<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>;
00310
00311 <font class="comment">// precahce Data in memory (best CPU support)</font>
00312 CFastMem::precache(textMap, <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>*h*<font class="keyword">sizeof</font>(CRGBA));
00313 CFastMem::precache(modColor, <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>*h*<font class="keyword">sizeof</font>(CRGBA));
00314
00315 <font class="comment">// For all lines</font>
00316 <font class="keywordflow">for</font>(sint n= h;n>0;n--, dst+= (<a class="code" href="classNLMISC_1_1CBitmap.html#a6">getWidth</a>()-<a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>) )
00317 {
00318 <font class="comment">// For all the line.</font>
00319 <font class="keywordflow">for</font>(sint nc= <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>;nc>0;nc--, textMap++, modColor++, dst++)
00320 {
00321 CRGBA mc= *modColor;
00322 <font class="comment">// modulate RGB only</font>
00323 dst->R= ( mc.R * textMap->R)>>8;
00324 dst->G= ( mc.G * textMap->G)>>8;
00325 dst->B= ( mc.B * textMap->B)>>8;
00326 }
00327 }
00328
00329 <font class="comment">// Invalidate the rectangle.</font>
00330 ITexture::touchRect(CRect(<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>, h));
00331 }
00332
00333
00334 <font class="comment">// ***************************************************************************</font>
<a name="l00335"></a><a class="code" href="classNL3D_1_1CTextureDLM.html#z829_6">00335</a> <font class="keywordtype">void</font> CTextureDLM::modulateConstantAndfillRect(uint <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>, uint <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>, uint <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>, uint h, CRGBA *textMap, CRGBA mc)
00336 {
00337 <font class="comment">// compute start dst to copy.</font>
00338 CRGBA *dst= (CRGBA*)&(*<a class="code" href="classNLMISC_1_1CBitmap.html#z277_0">getPixels</a>().begin());
00339 dst+= <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>*<a class="code" href="classNLMISC_1_1CBitmap.html#a6">getWidth</a>()+<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>;
00340
00341 <font class="comment">// precahce Data in memory (best CPU support)</font>
00342 CFastMem::precache(textMap, <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>*h*<font class="keyword">sizeof</font>(CRGBA));
00343
00344 <font class="comment">// For all lines</font>
00345 <font class="keywordflow">for</font>(sint n= h;n>0;n--, dst+= (<a class="code" href="classNLMISC_1_1CBitmap.html#a6">getWidth</a>()-<a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>) )
00346 {
00347 <font class="comment">// For all the line.</font>
00348 <font class="keywordflow">for</font>(sint nc= <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>;nc>0;nc--, textMap++, dst++)
00349 {
00350 <font class="comment">// modulate RGB only</font>
00351 dst->R= ( mc.R * textMap->R)>>8;
00352 dst->G= ( mc.G * textMap->G)>>8;
00353 dst->B= ( mc.B * textMap->B)>>8;
00354 }
00355 }
00356
00357 <font class="comment">// Invalidate the rectangle.</font>
00358 ITexture::touchRect(CRect(<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>, h));
00359 }
00360
00361
00362 <font class="comment">// ***************************************************************************</font>
<a name="l00363"></a><a class="code" href="classNL3D_1_1CTextureDLM.html#z829_7">00363</a> <font class="keywordtype">void</font> CTextureDLM::releaseLightMap(uint <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>, uint <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>)
00364 {
00365 <font class="comment">// Search what block is under this pos.</font>
00366 uint blockId= (<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>/<a class="code" href="texture__dlm_8h.html#a0">NL_DLM_BLOCK_SIZE</a>)*<a class="code" href="classNL3D_1_1CTextureDLM.html#o0">_WBlock</a> + (<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>/<a class="code" href="texture__dlm_8h.html#a0">NL_DLM_BLOCK_SIZE</a>);
00367 <a class="code" href="debug_8h.html#a6">nlassert</a>(blockId<<a class="code" href="classNL3D_1_1CTextureDLM.html#o1">_Blocks</a>.size());
00368 CBlock *block= &<a class="code" href="classNL3D_1_1CTextureDLM.html#o1">_Blocks</a>[blockId];
00369
00370 <font class="comment">// compute block info.</font>
00371 uint nLMapOnX= <a class="code" href="texture__dlm_8h.html#a0">NL_DLM_BLOCK_SIZE</a> / block->Width;
00372 uint nLMapOnY= <a class="code" href="texture__dlm_8h.html#a0">NL_DLM_BLOCK_SIZE</a> / block->Height;
00373 uint nLMapPerBlock= nLMapOnX * nLMapOnY;
00374 <font class="comment">// was Full (ie all bits set) before this release</font>
00375 <font class="keywordtype">bool</font> wasFull= (block->FreeSpace == (uint)(1<<nLMapPerBlock)-1);
00376 <font class="comment">// the type of lightmap.</font>
00377 uint lMapType= <a class="code" href="classNL3D_1_1CTextureDLM.html#c0">getTypeForSize</a>(block->Width, block->Height);
00378
00379
00380 <font class="comment">// get relative pos to the block.</font>
00381 <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>-= block->PosX;
00382 <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>-= block->PosY;
00383
00384 <font class="comment">// compute bit number.</font>
00385 uint bitX= <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>/block->Width;
00386 uint bitY= <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>/block->Height;
00387 <font class="comment">// assert good pos param.</font>
00388 <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a> == bitX*block->Width);
00389 <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a> == bitY*block->Height);
00390
00391 <font class="comment">// compute bitId, as done in createLightMap()</font>
00392 uint bitId= bitY * nLMapOnX + bitX;
00393 uint mask= 1<<bitId;
00394
00395 <font class="comment">// Free this bit in the block.</font>
00396 <a class="code" href="debug_8h.html#a6">nlassert</a>(block->FreeSpace & mask);
00397 block->FreeSpace&= ~mask;
00398
00399
00400 <font class="comment">// Free the block if necessary.</font>
00401 <font class="comment">//=======================</font>
00402 <font class="keywordtype">bool</font> isEmpty= block->FreeSpace==0;
00403
00404 <font class="comment">// If wasFull and now it is empty (nLMapPerBlock==1 case), just append to EmptyBlocks.</font>
00405 <font class="keywordflow">if</font>(wasFull && isEmpty)
00406 {
00407 <font class="comment">// add the id to the empty list.</font>
00408 <a class="code" href="classNL3D_1_1CTextureDLM.html#o2">_EmptyBlocks</a>.push_back(blockId);
00409 }
00410 <font class="comment">// if wasFull, but still have some lightmap now, must insert into FreeList</font>
00411 <font class="keywordflow">else</font> <font class="keywordflow">if</font>(wasFull && !isEmpty)
00412 {
00413 <a class="code" href="classNL3D_1_1CTextureDLM.html#c1">linkFreeBlock</a>(lMapType, block);
00414 }
00415 <font class="comment">// if was not full but now it is empty, must remove from free list and insert into EmptyBlocks</font>
00416 <font class="keywordflow">else</font> <font class="keywordflow">if</font>(!wasFull && isEmpty)
00417 {
00418 <font class="comment">// remove the block from Free List</font>
00419 <a class="code" href="classNL3D_1_1CTextureDLM.html#c2">unlinkFreeBlock</a>(lMapType, block);
00420 <font class="comment">// add the id to the empty list.</font>
00421 <a class="code" href="classNL3D_1_1CTextureDLM.html#o2">_EmptyBlocks</a>.push_back(blockId);
00422 }
00423 <font class="comment">// else (!wasFull && !isEmpty) no-op, since must be kept in the FreeList.</font>
00424
00425 }
00426
00427
00428 } <font class="comment">// NL3D</font>
</pre></div>
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