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 (c) 2000-2006 Torus Knot Software Ltd 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 You may alternatively use this source under the terms of a specific version of 00025 the OGRE Unrestricted License provided you have obtained such a license from 00026 Torus Knot Software Ltd. 00027 ----------------------------------------------------------------------------- 00028 */ 00029 #ifndef __CompositionTechnique_H__ 00030 #define __CompositionTechnique_H__ 00031 00032 #include "OgrePrerequisites.h" 00033 #include "OgrePixelFormat.h" 00034 #include "OgreIteratorWrappers.h" 00035 00036 namespace Ogre { 00039 class _OgreExport CompositionTechnique 00040 { 00041 public: 00042 CompositionTechnique(Compositor *parent); 00043 virtual ~CompositionTechnique(); 00044 00046 class TextureDefinition 00047 { 00048 public: 00049 String name; 00050 size_t width; // 0 means adapt to target width 00051 size_t height; // 0 means adapt to target height 00052 PixelFormat format; 00053 00054 TextureDefinition() :width(0), height(0), format(PF_R8G8B8A8){} 00055 }; 00057 typedef std::vector<CompositionTargetPass *> TargetPasses; 00058 typedef VectorIterator<TargetPasses> TargetPassIterator; 00059 typedef std::vector<TextureDefinition*> TextureDefinitions; 00060 typedef VectorIterator<TextureDefinitions> TextureDefinitionIterator; 00061 00065 TextureDefinition *createTextureDefinition(const String &name); 00066 00069 void removeTextureDefinition(size_t idx); 00070 00073 TextureDefinition *getTextureDefinition(size_t idx); 00074 00077 size_t getNumTextureDefinitions(); 00078 00081 void removeAllTextureDefinitions(); 00082 00084 TextureDefinitionIterator getTextureDefinitionIterator(void); 00085 00088 CompositionTargetPass *createTargetPass(); 00089 00092 void removeTargetPass(size_t idx); 00093 00096 CompositionTargetPass *getTargetPass(size_t idx); 00097 00100 size_t getNumTargetPasses(); 00101 00104 void removeAllTargetPasses(); 00105 00107 TargetPassIterator getTargetPassIterator(void); 00108 00111 CompositionTargetPass *getOutputTargetPass(); 00112 00116 virtual bool isSupported(bool allowTextureDegradation); 00117 00120 virtual CompositorInstance *createInstance(CompositorChain *chain); 00121 00124 virtual void destroyInstance(CompositorInstance *instance); 00125 00127 Compositor *getParent(); 00128 private: 00130 Compositor *mParent; 00132 TextureDefinitions mTextureDefinitions; 00133 00135 TargetPasses mTargetPasses; 00137 CompositionTargetPass *mOutputTarget; 00138 00140 typedef std::vector<CompositorInstance *> Instances; 00141 Instances mInstances; 00142 }; 00143 00144 } 00145 00146 #endif
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Last modified Thu Mar 6 09:46:25 2008