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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>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> + +<!-- 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> |