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<hr><h1>OgreGLGpuNvparseProgram.cpp</h1><a href="OgreGLGpuNvparseProgram_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001 <font class="comment">/*</font>
00002 <font class="comment">-----------------------------------------------------------------------------</font>
00003 <font class="comment">This source file is part of OGRE</font>
00004 <font class="comment"> (Object-oriented Graphics Rendering Engine)</font>
00005 <font class="comment">For the latest info, see http://www.stevestreeting.com/ogre/</font>
00006 <font class="comment"></font>
00007 <font class="comment">Copyright © 2000-2003 The OGRE Teameeting</font>
00008 <font class="comment">Also see acknowledgements in Readme.html</font>
00009 <font class="comment"></font>
00010 <font class="comment">This program is free software; you can redistribute it and/or modify it under</font>
00011 <font class="comment">the terms of the GNU General Public License as published by the Free Software</font>
00012 <font class="comment">Foundation; either version 2 of the License, or (at your option) any later</font>
00013 <font class="comment">version.</font>
00014 <font class="comment"></font>
00015 <font class="comment">This program is distributed in the hope that it will be useful, but WITHOUT</font>
00016 <font class="comment">ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS</font>
00017 <font class="comment">FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.</font>
00018 <font class="comment"></font>
00019 <font class="comment">You should have received a copy of the GNU General Public License along with</font>
00020 <font class="comment">this program; if not, write to the Free Software Foundation, Inc., 59 Temple</font>
00021 <font class="comment">Place - Suite 330, Boston, MA 02111-1307, USA, or go to</font>
00022 <font class="comment">http://www.gnu.org/copyleft/gpl.html.</font>
00023 <font class="comment">-----------------------------------------------------------------------------</font>
00024 <font class="comment">*/</font>
00025
00026 <font class="preprocessor">#include "<a class="code" href="OgreGLGpuNvparseProgram_8h.html">OgreGLGpuNvparseProgram.h</a>"</font>
00027 <font class="preprocessor">#include "<a class="code" href="OgreException_8h.html">OgreException.h</a>"</font>
00028 <font class="preprocessor">#include "<a class="code" href="OgreRoot_8h.html">OgreRoot.h</a>"</font>
00029 <font class="preprocessor">#include "<a class="code" href="OgreRenderSystem_8h.html">OgreRenderSystem.h</a>"</font>
00030 <font class="preprocessor">#include "<a class="code" href="OgreRenderSystemCapabilities_8h.html">OgreRenderSystemCapabilities.h</a>"</font>
00031 <font class="preprocessor">#include "<a class="code" href="OgreLogManager_8h.html">OgreLogManager.h</a>"</font>
00032 <font class="preprocessor">#include "nvparse.h"</font>
00033
00034 <font class="keyword">using</font> <font class="keyword">namespace </font>Ogre;
00035
<a name="l00036"></a><a class="code" href="classOgre_1_1GLGpuNvparseProgram.html#Ogre_1_1GLGpuNvparsePrograma0">00036</a> GLGpuNvparseProgram::GLGpuNvparseProgram(<font class="keyword">const</font> <a class="code" href="classOgre_1_1String.html">String</a>& name, <a class="code" href="namespaceOgre.html#a626">GpuProgramType</a> gptype, <font class="keyword">const</font> <a class="code" href="classOgre_1_1String.html">String</a>& syntaxCode) :
00037 <a class="code" href="classOgre_1_1GLGpuProgram.html">GLGpuProgram</a>(name, gptype, syntaxCode)
00038 {
00039 <a class="code" href="classOgre_1_1GLGpuNvparseProgram.html#Ogre_1_1GLGpuNvparseProgramo0">mProgramID</a> = glGenLists(1);
00040 }
00041
<a name="l00042"></a><a class="code" href="classOgre_1_1GLGpuNvparseProgram.html#Ogre_1_1GLGpuNvparsePrograma3">00042</a> <font class="keywordtype">void</font> GLGpuNvparseProgram::bindProgram(<font class="keywordtype">void</font>)
00043 {
00044 glCallList(<a class="code" href="classOgre_1_1GLGpuNvparseProgram.html#Ogre_1_1GLGpuNvparseProgramo0">mProgramID</a>);
00045 glEnable(GL_TEXTURE_SHADER_NV);
00046 glEnable(GL_REGISTER_COMBINERS_NV);
00047 glEnable(GL_PER_STAGE_CONSTANTS_NV);
00048 }
00049
<a name="l00050"></a><a class="code" href="classOgre_1_1GLGpuNvparseProgram.html#Ogre_1_1GLGpuNvparsePrograma4">00050</a> <font class="keywordtype">void</font> GLGpuNvparseProgram::unbindProgram(<font class="keywordtype">void</font>)
00051 {
00052
00053 glDisable(GL_TEXTURE_SHADER_NV);
00054 glDisable(GL_REGISTER_COMBINERS_NV);
00055 glDisable(GL_PER_STAGE_CONSTANTS_NV);
00056 }
00057
<a name="l00058"></a><a class="code" href="classOgre_1_1GLGpuNvparseProgram.html#Ogre_1_1GLGpuNvparsePrograma5">00058</a> <font class="keywordtype">void</font> GLGpuNvparseProgram::bindProgramParameters(<a class="code" href="namespaceOgre.html#a132">GpuProgramParametersSharedPtr</a> params)
00059 {
00060 <font class="comment">// NB, register combiners uses 2 constants per texture stage (0 and 1)</font>
00061 <font class="comment">// We have stored these as (stage * 2) + const_index</font>
00062
00063 <font class="keywordflow">if</font> (params->hasRealConstantParams())
00064 {
00065 <font class="comment">// Iterate over params and set the relevant ones</font>
00066 GpuProgramParameters::RealConstantIterator realIt =
00067 params->getRealConstantIterator();
00068 <font class="keywordtype">unsigned</font> <font class="keywordtype">int</font> index = 0;
00069 <font class="keywordflow">while</font> (realIt.hasMoreElements())
00070 {
00071 <a class="code" href="structOgre_1_1GpuProgramParameters_1_1RealConstantEntry.html">GpuProgramParameters::RealConstantEntry</a>* e = realIt.peekNextPtr();
00072 <font class="keywordflow">if</font> (e-><a class="code" href="structOgre_1_1GpuProgramParameters_1_1RealConstantEntry.html#Ogre_1_1GpuProgramParameters_1_1RealConstantEntrym1">isSet</a>)
00073 {
00074 GLenum combinerStage = GL_COMBINER0_NV + (<font class="keywordtype">unsigned</font> <font class="keywordtype">int</font>)(index / 2);
00075 GLenum pname = GL_CONSTANT_COLOR0_NV + (index % 2);
00076 <a class="code" href="OgreGLRenderSystem_8cpp.html#a18">glCombinerStageParameterfvNV_ptr</a>(combinerStage, pname, e-><a class="code" href="structOgre_1_1GpuProgramParameters_1_1RealConstantEntry.html#Ogre_1_1GpuProgramParameters_1_1RealConstantEntrym0">val</a>);
00077 }
00078 index++;
00079 realIt.moveNext();
00080 }
00081 }
00082
00083 }
<a name="l00084"></a><a class="code" href="classOgre_1_1GLGpuNvparseProgram.html#Ogre_1_1GLGpuNvparsePrograma2">00084</a> <font class="keywordtype">void</font> GLGpuNvparseProgram::unload(<font class="keywordtype">void</font>)
00085 {
00086 glDeleteLists(<a class="code" href="classOgre_1_1GLGpuNvparseProgram.html#Ogre_1_1GLGpuNvparseProgramo0">mProgramID</a>,1);
00087 }
00088
<a name="l00089"></a><a class="code" href="classOgre_1_1GLGpuNvparseProgram.html#Ogre_1_1GLGpuNvparseProgramb0">00089</a> <font class="keywordtype">void</font> GLGpuNvparseProgram::loadFromSource(<font class="keywordtype">void</font>)
00090 {
00091 glNewList(<a class="code" href="classOgre_1_1GLGpuNvparseProgram.html#Ogre_1_1GLGpuNvparseProgramo0">mProgramID</a>, GL_COMPILE);
00092
00093 String::size_type pos = <a class="code" href="classOgre_1_1GpuProgram.html#Ogre_1_1HighLevelGpuProgramn5">mSource</a>.find(<font class="stringliteral">"!!"</font>);
00094
00095 <font class="keywordflow">while</font> (pos != String::npos) {
00096 String::size_type newPos = <a class="code" href="classOgre_1_1GpuProgram.html#Ogre_1_1HighLevelGpuProgramn5">mSource</a>.find(<font class="stringliteral">"!!"</font>, pos + 1);
00097
00098 <a class="code" href="classOgre_1_1String.html">String</a> script = <a class="code" href="classOgre_1_1GpuProgram.html#Ogre_1_1HighLevelGpuProgramn5">mSource</a>.substr(pos, newPos - pos);
00099 nvparse(script.c_str(), 0);
00100
00101 <font class="keywordflow">for</font> (<font class="keywordtype">char</font>* <font class="keyword">const</font> * errors= nvparse_get_errors(); *errors; errors++)
00102 {
00103 LogManager::getSingleton().logMessage(<font class="stringliteral">"Warning: nvparse reported the following errors:"</font>);
00104 LogManager::getSingleton().logMessage(<font class="stringliteral">"\t"</font> + <a class="code" href="classOgre_1_1String.html">String</a>(*errors));
00105 }
00106
00107 pos = newPos;
00108 }
00109
00110 glEndList();
00111 }
00112
</pre></div><p>
Copyright © 2002-2003 by The OGRE Team<br />
Last modified Wed Jan 21 00:10:11 2004
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