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00001 #ifndef COIN_SOGLCACHECONTEXTELEMENT_H 00002 #define COIN_SOGLCACHECONTEXTELEMENT_H 00003 00004 /**************************************************************************\ 00005 * 00006 * This file is part of the Coin 3D visualization library. 00007 * Copyright (C) by Kongsberg Oil & Gas Technologies. 00008 * 00009 * This library is free software; you can redistribute it and/or 00010 * modify it under the terms of the GNU General Public License 00011 * ("GPL") version 2 as published by the Free Software Foundation. 00012 * See the file LICENSE.GPL at the root directory of this source 00013 * distribution for additional information about the GNU GPL. 00014 * 00015 * For using Coin with software that can not be combined with the GNU 00016 * GPL, and for taking advantage of the additional benefits of our 00017 * support services, please contact Kongsberg Oil & Gas Technologies 00018 * about acquiring a Coin Professional Edition License. 00019 * 00020 * See http://www.coin3d.org/ for more information. 00021 * 00022 * Kongsberg Oil & Gas Technologies, Bygdoy Alle 5, 0257 Oslo, NORWAY. 00023 * http://www.sim.no/ sales@sim.no coin-support@coin3d.org 00024 * 00025 \**************************************************************************/ 00026 00027 #include <Inventor/elements/SoSubElement.h> 00028 00029 // This shouldn't strictly be necessary, but the OSF1/cxx compiler 00030 // complains if this is left out, while using the "friend class 00031 // SoGLDisplayList" statement in the class definition. 00032 class SoGLDisplayList; 00033 00034 typedef void SoScheduleDeleteCB(void * closure, uint32_t contextid); 00035 00036 // ************************************************************************* 00037 00038 class COIN_DLL_API SoGLCacheContextElement : public SoElement { 00039 typedef SoElement inherited; 00040 00041 SO_ELEMENT_HEADER(SoGLCacheContextElement); 00042 00043 public: 00044 static void initClass(void); 00045 protected: 00046 virtual ~SoGLCacheContextElement(); 00047 00048 public: 00049 virtual void init(SoState * state); 00050 00051 virtual SbBool matches(const SoElement * elt) const; 00052 virtual SoElement * copyMatchInfo(void) const; 00053 static void set(SoState * state, int context, 00054 SbBool twopasstransparency, 00055 SbBool remoterendering); 00056 static int get(SoState * state); 00057 static int getExtID(const char * str); 00058 static void getOpenGLVersion(SoState * state, int & major, int & minor); 00059 static SbBool extSupported(SoState * state, int extid); 00060 static SbBool areMipMapsFast(SoState * state); 00061 enum { 00062 DO_AUTO_CACHE = 1, 00063 DONT_AUTO_CACHE 00064 }; 00065 static void shouldAutoCache(SoState * state, int bits); 00066 static void setAutoCacheBits(SoState * state, int bits); 00067 static int resetAutoCacheBits(SoState * state); 00068 static SbBool getIsRemoteRendering(SoState * state); 00069 00070 static uint32_t getUniqueCacheContext(void); 00071 00072 static void scheduleDeleteCallback(const uint32_t contextid, 00073 SoScheduleDeleteCB * cb, 00074 void * closure); 00075 00076 static void incNumShapes(SoState * state); 00077 static int getNumShapes(SoState * state); 00078 static void incNumSeparators(SoState * state); 00079 static int getNumSeparators(SoState * state); 00080 00081 private: 00082 friend class SoGLDisplayList; 00083 static void scheduleDelete(SoState * state, SoGLDisplayList * dl); 00084 static void cleanupContext(uint32_t contextid, void * closure); 00085 00086 private: 00087 int context; 00088 SbBool twopass; 00089 int autocachebits; 00090 int numshapes; 00091 int numseparators; 00092 00093 enum { RENDERING_UNSET, RENDERING_SET_DIRECT, RENDERING_SET_INDIRECT }; 00094 int rendering; 00095 SbBool isDirectRendering(SoState * state) const; 00096 }; 00097 00098 // ************************************************************************* 00099 00100 // For compatibility with client code originally written with SGI/TGS 00101 // Inventor: 00102 #ifndef COIN_INTERNAL 00103 #include <Inventor/elements/SoGLDisplayList.h> 00104 #endif // ! COIN_INTERNAL 00105 00106 #endif // !COIN_SOGLCACHECONTEXTELEMENT_H
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