// @(#)root/gl:$Id$ // Author: Matevz Tadel, Feb 2007 /************************************************************************* * Copyright (C) 1995-2004, Rene Brun and Fons Rademakers. * * All rights reserved. * * * * For the licensing terms see $ROOTSYS/LICENSE. * * For the list of contributors see $ROOTSYS/README/CREDITS. * *************************************************************************/ #ifndef ROOT_TGLScene_H #define ROOT_TGLScene_H #include "TGLSceneBase.h" #include "TGLSceneInfo.h" #include "Gtypes.h" #include #include class TGLObject; class TGLCamera; class TGLLogicalShape; class TGLPhysicalShape; class TGLContextIdentity; class TGLScene : public TGLSceneBase { private: TGLScene(const TGLScene&); // Not implemented TGLScene& operator=(const TGLScene&); // Not implemented // Compare physical-shape volumes/diagonals -- for draw-vec sorting static Bool_t ComparePhysicalVolumes(const TGLPhysicalShape* shape1, const TGLPhysicalShape* shape2); static Bool_t ComparePhysicalDiagonals(const TGLPhysicalShape* shape1, const TGLPhysicalShape* shape2); public: // Logical shapes typedef std::map LogicalShapeMap_t; typedef LogicalShapeMap_t::value_type LogicalShapeMapValueType_t; typedef LogicalShapeMap_t::iterator LogicalShapeMapIt_t; typedef LogicalShapeMap_t::const_iterator LogicalShapeMapCIt_t; // Physical Shapes typedef std::map PhysicalShapeMap_t; typedef PhysicalShapeMap_t::value_type PhysicalShapeMapValueType_t; typedef PhysicalShapeMap_t::iterator PhysicalShapeMapIt_t; typedef PhysicalShapeMap_t::const_iterator PhysicalShapeMapCIt_t; struct DrawElement_t { const TGLPhysicalShape* fPhysical; // Physical shape. Float_t fPixelSize; // Size of largest lod-axis in pixels. Short_t fPixelLOD; // Size in LOD units. Short_t fFinalLOD; // Corrected with SceneLOD and quantized. DrawElement_t(const TGLPhysicalShape* pshp=0) : fPhysical(pshp), fPixelSize(0), fPixelLOD(0), fFinalLOD(0) {} }; typedef std::vector DrawElementVec_t; typedef std::vector::iterator DrawElementVec_i; typedef std::vector DrawElementPtrVec_t; typedef std::vector::iterator DrawElementPtrVec_i; // List of physical shapes ordered by volume/diagonal typedef std::vector ShapeVec_t; typedef ShapeVec_t::iterator ShapeVec_i; // ---------------------------------------------------------------- // SceneInfo ... extended scene context class TSceneInfo : public TGLSceneInfo { private: Bool_t CmpDrawElements(const DrawElement_t& de1, const DrawElement_t& de2); protected: void ClearDrawElementVec(DrawElementVec_t& vec, Int_t maxSize); void ClearDrawElementPtrVec(DrawElementPtrVec_t& vec, Int_t maxSize); public: ShapeVec_t fShapesOfInterest; DrawElementVec_t fVisibleElements; UInt_t fMinorStamp; DrawElementPtrVec_t fOpaqueElements; DrawElementPtrVec_t fTranspElements; DrawElementPtrVec_t fSelOpaqueElements; DrawElementPtrVec_t fSelTranspElements; TSceneInfo(TGLViewerBase* view=0, TGLScene* scene=0); virtual ~TSceneInfo(); void ClearAfterRebuild(); void ClearAfterUpdate(); void Lodify(TGLRnrCtx& ctx); void PreDraw(); void PostDraw(); // --------------- // Draw statistics Int_t fOpaqueCnt; Int_t fTranspCnt; Int_t fAsPixelCnt; std::map fByShapeCnt; void ResetDrawStats(); void UpdateDrawStats(const TGLPhysicalShape& shape, Short_t lod); void DumpDrawStats(); // Debug }; friend class TSceneInfo; // for solaris cc protected: LogicalShapeMap_t fLogicalShapes; //! PhysicalShapeMap_t fPhysicalShapes; //! virtual void DestroyPhysicalInternal(PhysicalShapeMapIt_t pit); // GLcontext TGLContextIdentity * fGLCtxIdentity; void ReleaseGLCtxIdentity(); // Smart Refresh -- will go in this version Bool_t fInSmartRefresh; //! mutable LogicalShapeMap_t fSmartRefreshCache; //! // State that requires recreation of display-lists Float_t fLastPointSizeScale; Float_t fLastLineWidthScale; // ---------------------------------------------------------------- // ---------------------------------------------------------------- public: TGLScene(); virtual ~TGLScene(); virtual void CalcBoundingBox() const; virtual TSceneInfo* CreateSceneInfo(TGLViewerBase* view); virtual void RebuildSceneInfo(TGLRnrCtx& rnrCtx); virtual void UpdateSceneInfo(TGLRnrCtx& rnrCtx); virtual void LodifySceneInfo(TGLRnrCtx& rnrCtx); // Rendering virtual void PreDraw (TGLRnrCtx& rnrCtx); // virtual void PreRender (TGLRnrCtx& rnrCtx); // virtual void Render (TGLRnrCtx& rnrCtx); virtual void RenderOpaque (TGLRnrCtx& rnrCtx); virtual void RenderTransp (TGLRnrCtx& rnrCtx); virtual void RenderSelOpaque(TGLRnrCtx& rnrCtx); virtual void RenderSelTransp(TGLRnrCtx& rnrCtx); virtual void RenderSelOpaqueForHighlight(TGLRnrCtx& rnrCtx); virtual void RenderSelTranspForHighlight(TGLRnrCtx& rnrCtx); virtual void RenderHighlight(TGLRnrCtx& rnrCtx, DrawElementPtrVec_t& elVec); // virtual void PostRender(TGLRnrCtx& rnrCtx); virtual void PostDraw (TGLRnrCtx& rnrCtx); virtual void RenderAllPasses(TGLRnrCtx& rnrCtx, DrawElementPtrVec_t& elVec, Bool_t check_timeout); virtual void RenderElements (TGLRnrCtx& rnrCtx, DrawElementPtrVec_t& elVec, Bool_t check_timeout, const TGLPlaneSet_t* clipPlanes = 0); // Selection virtual Bool_t ResolveSelectRecord(TGLSelectRecord& rec, Int_t curIdx); // Basic logical shape management virtual void AdoptLogical(TGLLogicalShape& shape); virtual Bool_t DestroyLogical(TObject* logid, Bool_t mustFind=kTRUE); virtual Int_t DestroyLogicals(); virtual TGLLogicalShape* FindLogical(TObject* logid) const; // Basic physical shape management virtual void AdoptPhysical(TGLPhysicalShape& shape); virtual Bool_t DestroyPhysical(UInt_t phid); virtual Int_t DestroyPhysicals(); virtual TGLPhysicalShape* FindPhysical(UInt_t phid) const; virtual UInt_t GetMaxPhysicalID(); // ---------------------------------------------------------------- // Updates / removals of logical and physical shapes virtual Bool_t BeginUpdate(); virtual void EndUpdate(Bool_t minorChange=kTRUE, Bool_t sceneChanged=kTRUE, Bool_t updateViewers=kTRUE); virtual void UpdateLogical(TObject* logid); virtual void UpdatePhysical(UInt_t phid, Double_t* trans, UChar_t* col); virtual void UpdatePhysical(UInt_t phid, Double_t* trans, Color_t cidx=-1, UChar_t transp=0); virtual void UpdatePhysioLogical(TObject* logid, Double_t* trans, UChar_t* col); virtual void UpdatePhysioLogical(TObject* logid, Double_t* trans, Color_t cidx, UChar_t transp); // Temporary export for setting selected-state of physical shapes. LogicalShapeMap_t& RefLogicalShapes() { return fLogicalShapes; } // ---------------------------------------------------------------- // SmartRefresh UInt_t BeginSmartRefresh(); void EndSmartRefresh(); TGLLogicalShape* FindLogicalSmartRefresh(TObject* ID) const; // ---------------------------------------------------------------- // GL-context holding display-list definitions TGLContextIdentity* GetGLCtxIdentity() const { return fGLCtxIdentity; } // ---------------------------------------------------------------- // Helpers UInt_t SizeOfScene() const; void DumpMapSizes() const; static void RGBAFromColorIdx(Float_t rgba[4], Color_t ci, Char_t transp=0); static Bool_t IsOutside(const TGLBoundingBox& box, const TGLPlaneSet_t& planes); ClassDef(TGLScene, 0); // Standard ROOT OpenGL scene with logial/physical shapes. }; #endif