OpenWalnut
1.4.0
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00001 //--------------------------------------------------------------------------- 00002 // 00003 // Project: OpenWalnut ( http://www.openwalnut.org ) 00004 // 00005 // Copyright 2009 OpenWalnut Community, BSV@Uni-Leipzig and CNCF@MPI-CBS 00006 // For more information see http://www.openwalnut.org/copying 00007 // 00008 // This file is part of OpenWalnut. 00009 // 00010 // OpenWalnut is free software: you can redistribute it and/or modify 00011 // it under the terms of the GNU Lesser General Public License as published by 00012 // the Free Software Foundation, either version 3 of the License, or 00013 // (at your option) any later version. 00014 // 00015 // OpenWalnut is distributed in the hope that it will be useful, 00016 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00017 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00018 // GNU Lesser General Public License for more details. 00019 // 00020 // You should have received a copy of the GNU Lesser General Public License 00021 // along with OpenWalnut. If not, see <http://www.gnu.org/licenses/>. 00022 // 00023 //--------------------------------------------------------------------------- 00024 00025 #ifndef WGESHADERVERSIONPREPROCESSOR_H 00026 #define WGESHADERVERSIONPREPROCESSOR_H 00027 00028 #include <string> 00029 00030 #include "WGEShaderPreprocessor.h" 00031 00032 00033 00034 /** 00035 * This preprocessor removes the version-statement from the code and puts it to the beginning of the code. This is requires for some GLSL 00036 * compiler. 00037 */ 00038 class WGEShaderVersionPreprocessor: public WGEShaderPreprocessor 00039 { 00040 public: 00041 /** 00042 * Default constructor. 00043 */ 00044 WGEShaderVersionPreprocessor(); 00045 00046 /** 00047 * Destructor. 00048 */ 00049 virtual ~WGEShaderVersionPreprocessor(); 00050 00051 /** 00052 * Process the whole code. It is not allowed to modify some internal state in this function because it might be called by several shaders. 00053 * 00054 * \param code the code to process 00055 * \param file the filename of the shader currently processed. Should be used for debugging output. 00056 * 00057 * \return the resulting new code 00058 */ 00059 virtual std::string process( const std::string& file, const std::string& code ) const; 00060 00061 protected: 00062 private: 00063 }; 00064 00065 #endif // WGESHADERVERSIONPREPROCESSOR_H 00066