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 : public CompositorInstAlloc 00040 { 00041 public: 00042 CompositionTechnique(Compositor *parent); 00043 virtual ~CompositionTechnique(); 00044 00046 class TextureDefinition : public CompositorInstAlloc 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 float widthFactor; // multiple of target width to use (if width = 0) 00053 float heightFactor; // multiple of target height to use (if height = 0) 00054 PixelFormatList formatList; // more than one means MRT 00055 00056 TextureDefinition() :width(0), height(0), widthFactor(1.0f), heightFactor(1.0f) {} 00057 }; 00059 typedef std::vector<CompositionTargetPass *> TargetPasses; 00060 typedef VectorIterator<TargetPasses> TargetPassIterator; 00061 typedef std::vector<TextureDefinition*> TextureDefinitions; 00062 typedef VectorIterator<TextureDefinitions> TextureDefinitionIterator; 00063 00067 TextureDefinition *createTextureDefinition(const String &name); 00068 00071 void removeTextureDefinition(size_t idx); 00072 00075 TextureDefinition *getTextureDefinition(size_t idx); 00076 00079 size_t getNumTextureDefinitions(); 00080 00083 void removeAllTextureDefinitions(); 00084 00086 TextureDefinitionIterator getTextureDefinitionIterator(void); 00087 00090 CompositionTargetPass *createTargetPass(); 00091 00094 void removeTargetPass(size_t idx); 00095 00098 CompositionTargetPass *getTargetPass(size_t idx); 00099 00102 size_t getNumTargetPasses(); 00103 00106 void removeAllTargetPasses(); 00107 00109 TargetPassIterator getTargetPassIterator(void); 00110 00113 CompositionTargetPass *getOutputTargetPass(); 00114 00118 virtual bool isSupported(bool allowTextureDegradation); 00119 00122 virtual CompositorInstance *createInstance(CompositorChain *chain); 00123 00126 virtual void destroyInstance(CompositorInstance *instance); 00127 00129 Compositor *getParent(); 00130 private: 00132 Compositor *mParent; 00134 TextureDefinitions mTextureDefinitions; 00135 00137 TargetPasses mTargetPasses; 00139 CompositionTargetPass *mOutputTarget; 00140 00142 typedef std::vector<CompositorInstance *> Instances; 00143 Instances mInstances; 00144 }; 00145 00146 } 00147 00148 #endif
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Last modified Sun Sep 27 22:02:22 2009