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 __CompositorInstance_H__ 00030 #define __CompositorInstance_H__ 00031 00032 #include "OgrePrerequisites.h" 00033 #include "OgreMaterial.h" 00034 #include "OgreTexture.h" 00035 #include "OgreRenderQueue.h" 00036 namespace Ogre { 00037 const size_t RENDER_QUEUE_COUNT = RENDER_QUEUE_MAX+1; 00038 00042 class _OgreExport CompositorInstance : public CompositorInstAlloc 00043 { 00044 public: 00045 CompositorInstance(Compositor *filter, CompositionTechnique *technique, CompositorChain *chain); 00046 virtual ~CompositorInstance(); 00050 class _OgreExport Listener 00051 { 00052 public: 00053 virtual ~Listener(); 00054 00064 virtual void notifyMaterialSetup(uint32 pass_id, MaterialPtr &mat); 00065 00074 virtual void notifyMaterialRender(uint32 pass_id, MaterialPtr &mat); 00075 }; 00080 class RenderSystemOperation : public CompositorInstAlloc 00081 { 00082 public: 00083 virtual ~RenderSystemOperation(); 00085 virtual void execute(SceneManager *sm, RenderSystem *rs) = 0; 00086 }; 00087 typedef std::map<int, MaterialPtr> QuadMaterialMap; 00088 typedef std::pair<int, RenderSystemOperation*> RenderSystemOpPair; 00089 typedef std::vector<RenderSystemOpPair> RenderSystemOpPairs; 00092 class TargetOperation 00093 { 00094 public: 00095 TargetOperation() 00096 { 00097 } 00098 TargetOperation(RenderTarget *target): 00099 target(target), currentQueueGroupID(0), visibilityMask(0xFFFFFFFF), 00100 lodBias(1.0f), 00101 onlyInitial(false), hasBeenRendered(false), findVisibleObjects(false), 00102 shadowsEnabled(true) 00103 { 00104 } 00106 RenderTarget *target; 00107 00109 int currentQueueGroupID; 00110 00113 RenderSystemOpPairs renderSystemOperations; 00114 00117 uint32 visibilityMask; 00118 00121 float lodBias; 00122 00125 typedef std::bitset<RENDER_QUEUE_COUNT> RenderQueueBitSet; 00126 00128 RenderQueueBitSet renderQueues; 00129 00132 bool onlyInitial; 00136 bool hasBeenRendered; 00139 bool findVisibleObjects; 00141 String materialScheme; 00143 bool shadowsEnabled; 00144 }; 00145 typedef std::vector<TargetOperation> CompiledState; 00146 00150 void setEnabled(bool value); 00151 00154 bool getEnabled(); 00155 00166 const String& getTextureInstanceName(const String& name, size_t mrtIndex); 00167 00174 RenderTarget* getRenderTarget(const String& name); 00175 00176 00180 virtual void _compileTargetOperations(CompiledState &compiledState); 00181 00185 virtual void _compileOutputOperation(TargetOperation &finalState); 00186 00189 Compositor *getCompositor(); 00190 00193 CompositionTechnique *getTechnique(); 00194 00197 CompositorChain *getChain(); 00198 00204 void addListener(Listener *l); 00205 00209 void removeListener(Listener *l); 00210 00213 void _fireNotifyMaterialSetup(uint32 pass_id, MaterialPtr &mat); 00214 00217 void _fireNotifyMaterialRender(uint32 pass_id, MaterialPtr &mat); 00218 private: 00220 Compositor *mCompositor; 00222 CompositionTechnique *mTechnique; 00224 CompositorChain *mChain; 00226 bool mEnabled; 00228 typedef std::map<String,TexturePtr> LocalTextureMap; 00229 LocalTextureMap mLocalTextures; 00231 typedef std::map<String,MultiRenderTarget*> LocalMRTMap; 00232 LocalMRTMap mLocalMRTs; 00233 00235 typedef std::vector<Listener*> Listeners; 00236 Listeners mListeners; 00237 00239 CompositorInstance *mPreviousInstance; 00240 00244 virtual void collectPasses(TargetOperation &finalState, CompositionTargetPass *target); 00245 00250 MaterialPtr createLocalMaterial(const String& srcName); 00251 00254 void createResources(); 00255 00258 void freeResources(); 00259 00262 RenderTarget *getTargetForTex(const String &name); 00263 00268 const String &getSourceForTex(const String &name, size_t mrtIndex = 0); 00269 00273 void queueRenderSystemOp(TargetOperation &finalState, RenderSystemOperation *op); 00274 00276 String getMRTTexLocalName(const String& baseName, size_t attachment); 00277 00281 void deriveTextureRenderTargetOptions(const String& texname, 00282 bool *hwGammaWrite, uint *fsaa); 00283 00284 friend class CompositorChain; 00285 }; 00286 } 00287 00288 #endif
Copyright © 2008 Torus Knot Software Ltd
This work is licensed under a Creative Commons Attribution-ShareAlike 2.5 License.
Last modified Sun Sep 27 22:02:22 2009