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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_blend.cpp</h1><a href="texture__blend_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001 +00007 <font class="comment">/* Copyright, 2000, 2001 Nevrax Ltd.</font> +00008 <font class="comment"> *</font> +00009 <font class="comment"> * This file is part of NEVRAX NEL.</font> +00010 <font class="comment"> * NEVRAX NEL is free software; you can redistribute it and/or modify</font> +00011 <font class="comment"> * it under the terms of the GNU General Public License as published by</font> +00012 <font class="comment"> * the Free Software Foundation; either version 2, or (at your option)</font> +00013 <font class="comment"> * any later version.</font> +00014 <font class="comment"></font> +00015 <font class="comment"> * NEVRAX NEL is distributed in the hope that it will be useful, but</font> +00016 <font class="comment"> * WITHOUT ANY WARRANTY; without even the implied warranty of</font> +00017 <font class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</font> +00018 <font class="comment"> * General Public License for more details.</font> +00019 <font class="comment"></font> +00020 <font class="comment"> * You should have received a copy of the GNU General Public License</font> +00021 <font class="comment"> * along with NEVRAX NEL; see the file COPYING. If not, write to the</font> +00022 <font class="comment"> * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,</font> +00023 <font class="comment"> * MA 02111-1307, USA.</font> +00024 <font class="comment"> */</font> +00025 +00026 <font class="preprocessor">#include "<a class="code" href="std3d_8h.html">std3d.h</a>"</font> +00027 +00028 <font class="preprocessor">#include "<a class="code" href="texture__blend_8h.html">3d/texture_blend.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">namespace </font>NL3D { +00032 +00033 +00034 +<a name="l00035"></a><a class="code" href="classNL3D_1_1CTextureBlend.html#a1">00035</a> CTextureBlend::CTextureBlend() : _BlendFactor(0), _SharingEnabled(true) +00036 { +00037 } +00038 +00039 +00040 <font class="comment">//************************************************************************</font> +<a name="l00041"></a><a class="code" href="classNL3D_1_1CTextureBlend.html#z828_0">00041</a> <font class="keywordtype">bool</font> CTextureBlend::supportSharing()<font class="keyword"> const</font> +00042 <font class="keyword"></font>{ +00043 <font class="keywordflow">return</font> <a class="code" href="classNL3D_1_1CTextureBlend.html#o1">_BlendTex</a>[0] && <a class="code" href="classNL3D_1_1CTextureBlend.html#o1">_BlendTex</a>[0]->supportSharing() +00044 && <a class="code" href="classNL3D_1_1CTextureBlend.html#o1">_BlendTex</a>[1] && <a class="code" href="classNL3D_1_1CTextureBlend.html#o1">_BlendTex</a>[1]->supportSharing(); +00045 } +00046 +00047 <font class="comment">//************************************************************************</font> +<a name="l00048"></a><a class="code" href="classNL3D_1_1CTextureBlend.html#z828_1">00048</a> std::string CTextureBlend::getShareName()<font class="keyword"> const</font> +00049 <font class="keyword"></font>{ +00050 <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="classNL3D_1_1CTextureBlend.html#z828_0">supportSharing</a>()); +00051 <font class="keywordtype">char</font> fmt[1024]; +00052 <a class="code" href="namespaceNLMISC.html#a211">NLMISC::smprintf</a>(fmt, 1024, <font class="stringliteral">"BlendTex0:%s:BlendTex1:%s:blendFactor:%d"</font>, +00053 <a class="code" href="classNL3D_1_1CTextureBlend.html#o1">_BlendTex</a>[0]-><a class="code" href="classNL3D_1_1CTextureBlend.html#z828_1">getShareName</a>().c_str(), <a class="code" href="classNL3D_1_1CTextureBlend.html#o1">_BlendTex</a>[1]-><a class="code" href="classNL3D_1_1CTextureBlend.html#z828_1">getShareName</a>().c_str(), +00054 (uint) <a class="code" href="classNL3D_1_1CTextureBlend.html#o0">_BlendFactor</a> +00055 ); +00056 <font class="keywordflow">return</font> fmt; +00057 } +00058 +00059 +00060 <font class="comment">//************************************************************************</font> +<a name="l00061"></a><a class="code" href="classNL3D_1_1CTextureBlend.html#z828_2">00061</a> <font class="keywordtype">void</font> CTextureBlend::enableSharing(<font class="keywordtype">bool</font> enabled <font class="comment">/*= false*/</font>) +00062 { +00063 <a class="code" href="classNL3D_1_1CTextureBlend.html#o2">_SharingEnabled</a> = enabled; +00064 } +00065 +00066 +00067 <font class="comment">//************************************************************************</font> +<a name="l00068"></a><a class="code" href="classNL3D_1_1CTextureBlend.html#a8">00068</a> <font class="keywordtype">void</font> CTextureBlend::release() +00069 { +00070 <font class="keywordflow">if</font> (<a class="code" href="classNL3D_1_1CTextureBlend.html#o1">_BlendTex</a>[0] && <a class="code" href="classNL3D_1_1CTextureBlend.html#o1">_BlendTex</a>[0]->getReleasable()) <a class="code" href="classNL3D_1_1CTextureBlend.html#o1">_BlendTex</a>[0]->release(); +00071 <font class="keywordflow">if</font> (<a class="code" href="classNL3D_1_1CTextureBlend.html#o1">_BlendTex</a>[1] && <a class="code" href="classNL3D_1_1CTextureBlend.html#o1">_BlendTex</a>[1]->getReleasable()) <a class="code" href="classNL3D_1_1CTextureBlend.html#o1">_BlendTex</a>[1]->release(); +00072 ITexture::release(); +00073 } +00074 +00075 <font class="comment">//************************************************************************</font> +<a name="l00076"></a><a class="code" href="classNL3D_1_1CTextureBlend.html#a5">00076</a> <font class="keywordtype">bool</font> CTextureBlend::setBlendFactor(uint16 factor) +00077 { +00078 <a class="code" href="debug_8h.html#a6">nlassert</a>(factor <= 256); +00079 <font class="keywordflow">if</font> (factor != <a class="code" href="classNL3D_1_1CTextureBlend.html#o0">_BlendFactor</a>) +00080 { +00081 <a class="code" href="classNL3D_1_1CTextureBlend.html#o0">_BlendFactor</a> = factor; +00082 <a class="code" href="classNL3D_1_1ITexture.html#a0">touch</a>(); <font class="comment">// need to recompute blending</font> +00083 <font class="keywordflow">return</font> <font class="keyword">true</font>; +00084 } +00085 <font class="keywordflow">return</font> <font class="keyword">false</font>; +00086 } +00087 +00088 +00089 <font class="comment">//************************************************************************</font> +<a name="l00090"></a><a class="code" href="classNL3D_1_1CTextureBlend.html#a2">00090</a> <font class="keywordtype">void</font> CTextureBlend::setBlendTexture(uint <a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>, ITexture *tex) +00091 { +00092 <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a> < 2); +00093 <font class="keywordflow">if</font> (tex != <a class="code" href="classNL3D_1_1CTextureBlend.html#o1">_BlendTex</a>[<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>]) +00094 { +00095 <a class="code" href="classNL3D_1_1CTextureBlend.html#o1">_BlendTex</a>[<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>] = tex; +00096 <a class="code" href="classNL3D_1_1ITexture.html#a0">touch</a>(); <font class="comment">// need to recompute blending</font> +00097 } +00098 } +00099 +00100 +00101 <font class="comment">//************************************************************************</font> +<a name="l00102"></a><a class="code" href="classNL3D_1_1CTextureBlend.html#a7">00102</a> <font class="keywordtype">void</font> CTextureBlend::doGenerate() +00103 { +00104 <font class="keywordflow">if</font> (!<a class="code" href="classNL3D_1_1CTextureBlend.html#o1">_BlendTex</a>[0] || !<a class="code" href="classNL3D_1_1CTextureBlend.html#o1">_BlendTex</a>[1]) +00105 { +00106 <a class="code" href="classNLMISC_1_1CBitmap.html#a3">makeDummy</a>(); +00107 <font class="keywordflow">return</font>; +00108 } +00109 +00110 <a class="code" href="classNL3D_1_1CTextureBlend.html#o1">_BlendTex</a>[0]->generate(); +00111 <a class="code" href="classNL3D_1_1CTextureBlend.html#o1">_BlendTex</a>[1]->generate(); +00112 this-><a class="code" href="classNLMISC_1_1CBitmap.html#c0">blend</a>(*<a class="code" href="classNL3D_1_1CTextureBlend.html#o1">_BlendTex</a>[0], *<a class="code" href="classNL3D_1_1CTextureBlend.html#o1">_BlendTex</a>[1], <a class="code" href="classNL3D_1_1CTextureBlend.html#o0">_BlendFactor</a>); +00113 } +00114 +00115 +00116 <font class="comment">//************************************************************************</font> +<a name="l00117"></a><a class="code" href="classNL3D_1_1CTextureBlend.html#a9">00117</a> <font class="keywordtype">void</font> CTextureBlend::serial(<a class="code" href="classNLMISC_1_1IStream.html">NLMISC::IStream</a> &f) <font class="keywordflow">throw</font>(NLMISC::EStream) +00118 { +00119 f.serialVersion(0); +00120 ITexture::serial(f); +00121 <font class="keywordflow">for</font> (uint k = 0; k < 2; ++k) +00122 { +00123 ITexture *tex = NULL; +00124 <font class="keywordflow">if</font> (f.isReading()) +00125 { +00126 f.serialPolyPtr(tex); +00127 _BlendTex[k] = tex; +00128 touch(); +00129 } +00130 <font class="keywordflow">else</font> +00131 { +00132 tex = _BlendTex[k]; +00133 f.serialPolyPtr(tex); +00134 } +00135 } +00136 f.serial(_SharingEnabled, _BlendFactor); +00137 } +00138 +00139 } <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> |