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SoGLCacheContextElement.h
1 #ifndef COIN_SOGLCACHECONTEXTELEMENT_H
2 #define COIN_SOGLCACHECONTEXTELEMENT_H
3
4 /**************************************************************************\
5 *
6 * This file is part of the Coin 3D visualization library.
7 * Copyright (C) by Kongsberg Oil & Gas Technologies.
8 *
9 * This library is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License
11 * ("GPL") version 2 as published by the Free Software Foundation.
12 * See the file LICENSE.GPL at the root directory of this source
13 * distribution for additional information about the GNU GPL.
14 *
15 * For using Coin with software that can not be combined with the GNU
16 * GPL, and for taking advantage of the additional benefits of our
17 * support services, please contact Kongsberg Oil & Gas Technologies
18 * about acquiring a Coin Professional Edition License.
19 *
20 * See http://www.coin3d.org/ for more information.
21 *
22 * Kongsberg Oil & Gas Technologies, Bygdoy Alle 5, 0257 Oslo, NORWAY.
23 * http://www.sim.no/ sales@sim.no coin-support@coin3d.org
24 *
25 \**************************************************************************/
26
27 #include <Inventor/elements/SoSubElement.h>
28
29 // This shouldn't strictly be necessary, but the OSF1/cxx compiler
30 // complains if this is left out, while using the "friend class
31 // SoGLDisplayList" statement in the class definition.
32 class SoGLDisplayList;
33
34 typedef void SoScheduleDeleteCB(void * closure, uint32_t contextid);
35
36 // *************************************************************************
37
38 class COIN_DLL_API SoGLCacheContextElement : public SoElement {
39 typedef SoElement inherited;
40
41 SO_ELEMENT_HEADER(SoGLCacheContextElement);
42
43 public:
44 static void initClass(void);
45 protected:
46 virtual ~SoGLCacheContextElement();
47
48 public:
49 virtual void init(SoState * state);
50
51 virtual SbBool matches(const SoElement * elt) const;
52 virtual SoElement * copyMatchInfo(void) const;
53 static void set(SoState * state, int context,
54 SbBool twopasstransparency,
55 SbBool remoterendering);
56 static int get(SoState * state);
57 static int getExtID(const char * str);
58 static void getOpenGLVersion(SoState * state, int & major, int & minor);
59 static SbBool extSupported(SoState * state, int extid);
60 static SbBool areMipMapsFast(SoState * state);
61 enum {
62 DO_AUTO_CACHE = 1,
63 DONT_AUTO_CACHE
64 };
65 static void shouldAutoCache(SoState * state, int bits);
66 static void setAutoCacheBits(SoState * state, int bits);
67 static int resetAutoCacheBits(SoState * state);
68 static SbBool getIsRemoteRendering(SoState * state);
69
70 static uint32_t getUniqueCacheContext(void);
71
72 static void scheduleDeleteCallback(const uint32_t contextid,
73 SoScheduleDeleteCB * cb,
74 void * closure);
75
76 static void incNumShapes(SoState * state);
77 static int getNumShapes(SoState * state);
78 static void incNumSeparators(SoState * state);
79 static int getNumSeparators(SoState * state);
80
81 private:
82 friend class SoGLDisplayList;
83 static void scheduleDelete(SoState * state, SoGLDisplayList * dl);
84 static void cleanupContext(uint32_t contextid, void * closure);
85
86 private:
87 int context;
88 SbBool twopass;
89 int autocachebits;
90 int numshapes;
91 int numseparators;
92
93 enum { RENDERING_UNSET, RENDERING_SET_DIRECT, RENDERING_SET_INDIRECT };
94 int rendering;
95 SbBool isDirectRendering(SoState * state) const;
96 };
97
98 // *************************************************************************
99
100 // For compatibility with client code originally written with SGI/TGS
101 // Inventor:
102 #ifndef COIN_INTERNAL
103 #include <Inventor/elements/SoGLDisplayList.h>
104 #endif // ! COIN_INTERNAL
105
106 #endif // !COIN_SOGLCACHECONTEXTELEMENT_H
SoElement::initClass
static void initClass(void)
Definition: SoElement.cpp:507
SoElement::matches
virtual SbBool matches(const SoElement *element) const =0
Definition: SoElement.cpp:609
SoElement
SoElement is the abstract base class for all elements.
Definition: SoElement.h:34
SoState
The SoState class manages the Coin scenegraph traversal state data.The SoState class is used by actio...
Definition: SoState.h:35
SoElement::init
virtual void init(SoState *state)
Definition: SoElement.cpp:553
SoElement::copyMatchInfo
virtual SoElement * copyMatchInfo(void) const =0
SoGLDisplayList
The SoGLDisplayList class stores and manages OpenGL display lists.The TEXTURE_OBJECT type is not dire...
Definition: SoGLDisplayList.h:34

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