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 __CompositorChain_H__ 00030 #define __CompositorChain_H__ 00031 00032 #include "OgrePrerequisites.h" 00033 #include "OgreRenderTargetListener.h" 00034 #include "OgreRenderQueueListener.h" 00035 #include "OgreCompositorInstance.h" 00036 #include "OgreCompositor.h" 00037 namespace Ogre { 00038 00041 class _OgreExport CompositorChain: public RenderTargetListener 00042 { 00043 public: 00044 CompositorChain(Viewport *vp); 00049 virtual ~CompositorChain(); 00050 00052 typedef std::vector<CompositorInstance*> Instances; 00053 typedef VectorIterator<Instances> InstanceIterator; 00054 00056 static const size_t LAST = (size_t)-1; 00058 static const size_t BEST = 0; 00059 00066 CompositorInstance* addCompositor(CompositorPtr filter, size_t addPosition=LAST, size_t technique=BEST); 00067 00071 void removeCompositor(size_t position=LAST); 00072 00075 size_t getNumCompositors(); 00076 00079 void removeAllCompositors(); 00080 00083 CompositorInstance *getCompositor(size_t index); 00084 00087 CompositorInstance* _getOriginalSceneCompositor(void) { return mOriginalScene; } 00088 00091 InstanceIterator getCompositors(); 00092 00098 void setCompositorEnabled(size_t position, bool state); 00099 00101 virtual void preRenderTargetUpdate(const RenderTargetEvent& evt); 00103 virtual void preViewportUpdate(const RenderTargetViewportEvent& evt); 00105 virtual void postViewportUpdate(const RenderTargetViewportEvent& evt); 00107 virtual void viewportRemoved(const RenderTargetViewportEvent& evt); 00108 00111 void _markDirty(); 00112 00115 Viewport *getViewport(); 00116 00120 void _removeInstance(CompositorInstance *i); 00121 00123 void _queuedOperation(CompositorInstance::RenderSystemOperation* op); 00124 00127 void _compile(); 00128 protected: 00130 Viewport *mViewport; 00131 00134 CompositorInstance *mOriginalScene; 00135 00137 Instances mInstances; 00138 00140 bool mDirty; 00142 bool mAnyCompositorsEnabled; 00143 00145 CompositorInstance::CompiledState mCompiledState; 00146 CompositorInstance::TargetOperation mOutputOperation; 00150 typedef std::vector<CompositorInstance::RenderSystemOperation*> RenderSystemOperations; 00151 RenderSystemOperations mRenderSystemOperations; 00152 00153 00155 void clearCompiledState(); 00156 00159 void preTargetOperation(CompositorInstance::TargetOperation &op, Viewport *vp, Camera *cam); 00160 00163 void postTargetOperation(CompositorInstance::TargetOperation &op, Viewport *vp, Camera *cam); 00164 00166 void destroyResources(void); 00167 00169 class _OgreExport RQListener: public RenderQueueListener 00170 { 00171 public: 00174 virtual void renderQueueStarted(uint8 id, const String& invocation, bool& skipThisQueue); 00177 virtual void renderQueueEnded(uint8 id, const String& invocation, bool& repeatThisQueue); 00178 00180 void setOperation(CompositorInstance::TargetOperation *op,SceneManager *sm,RenderSystem *rs); 00181 00183 void notifyViewport(Viewport* vp) { mViewport = vp; } 00184 00186 void flushUpTo(uint8 id); 00187 private: 00188 CompositorInstance::TargetOperation *mOperation; 00189 SceneManager *mSceneManager; 00190 RenderSystem *mRenderSystem; 00191 Viewport* mViewport; 00192 CompositorInstance::RenderSystemOpPairs::iterator currentOp, lastOp; 00193 }; 00194 RQListener mOurListener; 00196 unsigned int mOldClearEveryFrameBuffers; 00198 uint32 mOldVisibilityMask; 00200 bool mOldFindVisibleObjects; 00202 float mOldLodBias; 00204 String mOldMaterialScheme; 00205 }; 00206 } 00207 00208 #endif
Copyright © 2000-2005 by The OGRE Team
This work is licensed under a Creative Commons Attribution-ShareAlike 2.5 License.
Last modified Sun Jul 8 15:20:07 2007