00001 /* 00002 ----------------------------------------------------------------------------- 00003 This source file is part of OGRE 00004 (Object-oriented Graphics Rendering Engine) 00005 For the latest info, see http://www.ogre3d.org/ 00006 00007 Copyright © 2000-2003 The OGRE Team 00008 Also see acknowledgements in Readme.html 00009 00010 This program is free software you can redistribute it and/or modify it under 00011 the terms of the GNU Lesser General Public License as published by the Free Software 00012 Foundation either version 2 of the License, or (at your option) any later 00013 version. 00014 00015 This program is distributed in the hope that it will be useful, but WITHOUT 00016 ANY WARRANTY without even the implied warranty of MERCHANTABILITY or FITNESS 00017 FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. 00018 00019 You should have received a copy of the GNU Lesser General Public License along with 00020 this program if not, write to the Free Software Foundation, Inc., 59 Temple 00021 Place - Suite 330, Boston, MA 02111-1307, USA, or go to 00022 http://www.gnu.org/copyleft/lesser.txt. 00023 ----------------------------------------------------------------------------- 00024 */ 00025 #include "OgreStableHeaders.h" 00026 #include "OgreHighLevelGpuProgram.h" 00027 #include "OgreException.h" 00028 #include "OgreGpuProgramManager.h" 00029 #include "OgreSDDataChunk.h" 00030 00031 namespace Ogre 00032 { 00033 //--------------------------------------------------------------------------- 00034 HighLevelGpuProgram::HighLevelGpuProgram(const String& name, GpuProgramType gptype, 00035 const String& language) 00036 : GpuProgram(name, gptype, language), mHighLevelLoaded(false), mAssemblerProgram(0) 00037 { 00038 } 00039 //--------------------------------------------------------------------------- 00040 void HighLevelGpuProgram::load() 00041 { 00042 if (mIsLoaded) 00043 { 00044 unload(); 00045 } 00046 00047 // load self 00048 loadHighLevelImpl(); 00049 00050 // create low-level implementation 00051 createLowLevelImpl(); 00052 // load constructed assembler program 00053 assert(mAssemblerProgram && "Subclass did not initialise mAssemblerProgram!"); 00054 mAssemblerProgram->load(); 00055 mIsLoaded = true; 00056 } 00057 //--------------------------------------------------------------------------- 00058 void HighLevelGpuProgram::unload() 00059 { 00060 if (mAssemblerProgram) 00061 mAssemblerProgram->unload(); 00062 unloadImpl(); 00063 mIsLoaded = false; 00064 } 00065 //--------------------------------------------------------------------------- 00066 HighLevelGpuProgram::~HighLevelGpuProgram() 00067 { 00068 // superclasses will trigger unload 00069 } 00070 //--------------------------------------------------------------------------- 00071 GpuProgramParametersSharedPtr HighLevelGpuProgram::createParameters(void) 00072 { 00073 // Make sure param defs are loaded 00074 GpuProgramParametersSharedPtr params = GpuProgramManager::getSingleton().createParameters(); 00075 // Only populate named parameters if we can support this program 00076 if (this->isSupported()) 00077 { 00078 loadHighLevelImpl(); 00079 populateParameterNames(params); 00080 } 00081 return params; 00082 } 00083 //--------------------------------------------------------------------------- 00084 void HighLevelGpuProgram::loadHighLevelImpl(void) 00085 { 00086 if (!mHighLevelLoaded) 00087 { 00088 if (mLoadFromFile) 00089 { 00090 // find & load source code 00091 SDDataChunk chunk; 00092 GpuProgramManager::getSingleton()._findResourceData(mFilename, chunk); 00093 mSource = chunk.getAsString(); 00094 } 00095 loadFromSource(); 00096 mHighLevelLoaded = true; 00097 } 00098 } 00099 00100 }
Copyright © 2002-2003 by The OGRE Team
Last modified Fri May 14 23:22:17 2004