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OgreRenderTexture.cpp

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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 © 2000-2002 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 
00027 #include "OgreRenderTexture.h"
00028 #include "OgreException.h"
00029 
00030 namespace Ogre
00031 {
00032     RenderTexture::RenderTexture( const String & name, uint width, uint height, TextureType texType )
00033     {
00034         if (texType != TEX_TYPE_2D &&
00035             texType != TEX_TYPE_CUBE_MAP)
00036         {
00037             Except( Exception::UNIMPLEMENTED_FEATURE, 
00038                     "Render to texture is implemented only for 2D and cube textures !!!", 
00039                     "RenderTexture::RenderTexture" );
00040         }
00041 
00042         mName = name;
00043         mWidth = width;
00044         mHeight = height;
00045         mPriority = OGRE_REND_TO_TEX_RT_GROUP;
00046 
00047         mTexture = TextureManager::getSingleton().createManual( mName, texType, mWidth, mHeight, 0, PF_R8G8B8, TU_RENDERTARGET );
00048         TextureManager::getSingleton().load( static_cast< Resource * >( mTexture ) );
00049     }
00050 
00051     RenderTexture::~RenderTexture()
00052     {
00053         TextureManager::getSingleton().unload(mName);
00054         delete mTexture;
00055     }
00056 
00057     void RenderTexture::firePostUpdate()
00058     {
00059         RenderTarget::firePostUpdate();
00060 
00061         _copyToTexture();
00062     }
00063 }

Copyright © 2002-2003 by The OGRE Team
Last modified Sun Nov 28 19:48:42 2004