00001 00002 /* 00003 ----------------------------------------------------------------------------- 00004 This source file is part of OGRE 00005 (Object-oriented Graphics Rendering Engine) 00006 For the latest info, see http://www.ogre3d.org/ 00007 00008 Copyright © 2000-2003 The OGRE Team 00009 Also see acknowledgements in Readme.html 00010 00011 This program is free software you can redistribute it and/or modify it under 00012 the terms of the GNU Lesser General Public License as published by the Free Software 00013 Foundation either version 2 of the License, or (at your option) any later 00014 version. 00015 00016 This program is distributed in the hope that it will be useful, but WITHOUT 00017 ANY WARRANTY without even the implied warranty of MERCHANTABILITY or FITNESS 00018 FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. 00019 00020 You should have received a copy of the GNU Lesser General Public License along with 00021 this program if not, write to the Free Software Foundation, Inc., 59 Temple 00022 Place - Suite 330, Boston, MA 02111-1307, USA, or go to 00023 http://www.gnu.org/copyleft/lesser.txt. 00024 ----------------------------------------------------------------------------- 00025 */ 00026 #include "OgreStableHeaders.h" 00027 #include "OgreGpuProgramUsage.h" 00028 #include "OgreGpuProgramManager.h" 00029 #include "OgreException.h" 00030 00031 namespace Ogre 00032 { 00033 //----------------------------------------------------------------------------- 00034 GpuProgramUsage::GpuProgramUsage(GpuProgramType gptype) : 00035 mType(gptype), mProgram(NULL) 00036 { 00037 } 00038 //----------------------------------------------------------------------------- 00039 GpuProgramUsage::GpuProgramUsage(const GpuProgramUsage& oth) 00040 { 00041 mType = oth.mType; 00042 mProgram = oth.mProgram; 00043 mParameters = oth.mParameters; 00044 } 00045 //----------------------------------------------------------------------------- 00046 void GpuProgramUsage::setProgramName(const String& name, bool resetParams) 00047 { 00048 mProgram = static_cast<GpuProgram*>( 00049 GpuProgramManager::getSingleton().getByName(name)); 00050 00051 if (!mProgram) 00052 { 00053 String progType = (mType == GPT_VERTEX_PROGRAM ? "vertex" : "fragment"); 00054 Except(Exception::ERR_ITEM_NOT_FOUND, 00055 "Unable to locate " + progType + " program called " + name + ".", 00056 "GpuProgramUsage::setProgramName"); 00057 } 00058 // Reset parameters 00059 if (resetParams || mParameters.isNull()) 00060 mParameters = mProgram->createParameters(); 00061 00062 } 00063 //----------------------------------------------------------------------------- 00064 void GpuProgramUsage::setParameters(GpuProgramParametersSharedPtr params) 00065 { 00066 mParameters = params; 00067 } 00068 //----------------------------------------------------------------------------- 00069 GpuProgramParametersSharedPtr GpuProgramUsage::getParameters(void) 00070 { 00071 if (mParameters.isNull()) 00072 { 00073 Except(Exception::ERR_INVALIDPARAMS, "You must specify a program before " 00074 "you can retrieve parameters.", "GpuProgramUsage::getParameters"); 00075 } 00076 00077 return mParameters; 00078 } 00079 //----------------------------------------------------------------------------- 00080 void GpuProgramUsage::setProgram(GpuProgram* prog) 00081 { 00082 mProgram = prog; 00083 // Reset parameters 00084 mParameters = mProgram->createParameters(); 00085 } 00086 //----------------------------------------------------------------------------- 00087 void GpuProgramUsage::_load(void) 00088 { 00089 if (!mProgram->isLoaded()) 00090 mProgram->load(); 00091 } 00092 //----------------------------------------------------------------------------- 00093 void GpuProgramUsage::_unload(void) 00094 { 00095 // TODO? 00096 } 00097 00098 }
Copyright © 2002-2003 by The OGRE Team
Last modified Sun Nov 28 19:48:28 2004