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) 2000-2005 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 #ifndef __CompositorInstance_H__ 00026 #define __CompositorInstance_H__ 00027 00028 #include "OgrePrerequisites.h" 00029 #include "OgreMaterial.h" 00030 #include "OgreTexture.h" 00031 #include "OgreRenderQueue.h" 00032 namespace Ogre { 00033 const size_t RENDER_QUEUE_COUNT = RENDER_QUEUE_OVERLAY+1; 00034 00038 class _OgreExport CompositorInstance 00039 { 00040 public: 00041 CompositorInstance(Compositor *filter, CompositionTechnique *technique, CompositorChain *chain); 00042 virtual ~CompositorInstance(); 00046 class _OgreExport Listener 00047 { 00048 public: 00049 virtual ~Listener(); 00050 00060 virtual void notifyMaterialSetup(uint32 pass_id, MaterialPtr &mat); 00061 00070 virtual void notifyMaterialRender(uint32 pass_id, MaterialPtr &mat); 00071 }; 00076 class RenderSystemOperation 00077 { 00078 public: 00079 virtual ~RenderSystemOperation(); 00081 virtual void execute(SceneManager *sm, RenderSystem *rs) = 0; 00082 }; 00083 typedef std::map<int, MaterialPtr> QuadMaterialMap; 00084 typedef std::pair<int, RenderSystemOperation*> RenderSystemOpPair; 00085 typedef std::vector<RenderSystemOpPair> RenderSystemOpPairs; 00088 class TargetOperation 00089 { 00090 public: 00091 TargetOperation() 00092 { 00093 } 00094 TargetOperation(RenderTarget *target): 00095 target(target), currentQueueGroupID(0), visibilityMask(0xFFFFFFFF), 00096 lodBias(1.0f), 00097 onlyInitial(false), hasBeenRendered(false), findVisibleObjects(false) 00098 { 00099 } 00101 RenderTarget *target; 00102 00104 int currentQueueGroupID; 00105 00108 RenderSystemOpPairs renderSystemOperations; 00109 00112 uint32 visibilityMask; 00113 00116 float lodBias; 00117 00120 typedef std::bitset<RENDER_QUEUE_COUNT> RenderQueueBitSet; 00121 00123 RenderQueueBitSet renderQueues; 00124 00127 bool onlyInitial; 00131 bool hasBeenRendered; 00134 bool findVisibleObjects; 00136 String materialScheme; 00137 }; 00138 typedef std::vector<TargetOperation> CompiledState; 00139 00143 void setEnabled(bool value); 00144 00147 bool getEnabled(); 00148 00158 const String& getTextureInstanceName(const String& name); 00159 00160 00164 virtual void _compileTargetOperations(CompiledState &compiledState); 00165 00169 virtual void _compileOutputOperation(TargetOperation &finalState); 00170 00173 Compositor *getCompositor(); 00174 00177 CompositionTechnique *getTechnique(); 00178 00181 CompositorChain *getChain(); 00182 00188 void addListener(Listener *l); 00189 00193 void removeListener(Listener *l); 00194 00197 void _fireNotifyMaterialSetup(uint32 pass_id, MaterialPtr &mat); 00198 00201 void _fireNotifyMaterialRender(uint32 pass_id, MaterialPtr &mat); 00202 private: 00204 Compositor *mCompositor; 00206 CompositionTechnique *mTechnique; 00208 CompositorChain *mChain; 00210 bool mEnabled; 00212 typedef std::map<String,TexturePtr> LocalTextureMap; 00213 LocalTextureMap mLocalTextures; 00214 00216 typedef std::vector<Listener*> Listeners; 00217 Listeners mListeners; 00218 00220 CompositorInstance *mPreviousInstance; 00221 00225 virtual void collectPasses(TargetOperation &finalState, CompositionTargetPass *target); 00226 00231 MaterialPtr createLocalMaterial(); 00232 00235 void createResources(); 00236 00239 void freeResources(); 00240 00243 RenderTarget *getTargetForTex(const String &name); 00244 00247 const String &getSourceForTex(const String &name); 00248 00252 void queueRenderSystemOp(TargetOperation &finalState, RenderSystemOperation *op); 00253 00254 friend class CompositorChain; 00255 }; 00256 } 00257 00258 #endif
Copyright © 2000-2005 by The OGRE Team
This work is licensed under a Creative Commons Attribution-ShareAlike 2.5 License.
Last modified Sun Nov 12 10:50:10 2006