Coin  4.0.3
Coin3D core library
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SoGLCacheContextElement.h
1#ifndef COIN_SOGLCACHECONTEXTELEMENT_H
2#define COIN_SOGLCACHECONTEXTELEMENT_H
3
4/**************************************************************************\
5 * Copyright (c) Kongsberg Oil & Gas Technologies AS
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions are
10 * met:
11 *
12 * Redistributions of source code must retain the above copyright notice,
13 * this list of conditions and the following disclaimer.
14 *
15 * Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * Neither the name of the copyright holder nor the names of its
20 * contributors may be used to endorse or promote products derived from
21 * this software without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
24 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
25 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
26 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
27 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
28 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
29 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
30 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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32 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34\**************************************************************************/
35
36#include <Inventor/elements/SoSubElement.h>
37
38// This shouldn't strictly be necessary, but the OSF1/cxx compiler
39// complains if this is left out, while using the "friend class
40// SoGLDisplayList" statement in the class definition.
41class SoGLDisplayList;
42
43typedef void SoScheduleDeleteCB(void * closure, uint32_t contextid);
44
45// *************************************************************************
46
47class COIN_DLL_API SoGLCacheContextElement : public SoElement {
48 typedef SoElement inherited;
49
50 SO_ELEMENT_HEADER(SoGLCacheContextElement);
51
52public:
53 static void initClass(void);
54protected:
55 virtual ~SoGLCacheContextElement();
56
57public:
58 virtual void init(SoState * state);
59
60 virtual SbBool matches(const SoElement * elt) const;
61 virtual SoElement * copyMatchInfo(void) const;
62 static void set(SoState * state, int context,
63 SbBool twopasstransparency,
64 SbBool remoterendering);
65 static int get(SoState * state);
66 static int getExtID(const char * str);
67 static void getOpenGLVersion(SoState * state, int & major, int & minor);
68 static SbBool extSupported(SoState * state, int extid);
69 static SbBool areMipMapsFast(SoState * state);
70 enum {
71 DO_AUTO_CACHE = 1,
72 DONT_AUTO_CACHE
73 };
74 static void shouldAutoCache(SoState * state, int bits);
75 static void setAutoCacheBits(SoState * state, int bits);
76 static int resetAutoCacheBits(SoState * state);
77 static SbBool getIsRemoteRendering(SoState * state);
78
79 static uint32_t getUniqueCacheContext(void);
80
81 static void scheduleDeleteCallback(const uint32_t contextid,
82 SoScheduleDeleteCB * cb,
83 void * closure);
84
85 static void incNumShapes(SoState * state);
86 static int getNumShapes(SoState * state);
87 static void incNumSeparators(SoState * state);
88 static int getNumSeparators(SoState * state);
89
90private:
91 friend class SoGLDisplayList;
92 static void scheduleDelete(SoState * state, SoGLDisplayList * dl);
93 static void cleanupContext(uint32_t contextid, void * closure);
94
95private:
96 int context;
97 SbBool twopass;
98 int autocachebits;
99 int numshapes;
100 int numseparators;
101
102 enum { RENDERING_UNSET, RENDERING_SET_DIRECT, RENDERING_SET_INDIRECT };
103 int rendering;
104 SbBool isDirectRendering(SoState * state) const;
105};
106
107// *************************************************************************
108
109// For compatibility with client code originally written with SGI/TGS
110// Inventor:
111#ifndef COIN_INTERNAL
112#include <Inventor/elements/SoGLDisplayList.h>
113#endif // ! COIN_INTERNAL
114
115#endif // !COIN_SOGLCACHECONTEXTELEMENT_H
SoElement
SoElement is the abstract base class for all elements.
Definition SoElement.h:43
SoElement::copyMatchInfo
virtual SoElement * copyMatchInfo(void) const =0
SoElement::matches
virtual SbBool matches(const SoElement *element) const =0
Definition SoElement.cpp:609
SoElement::initClass
static void initClass(void)
Definition SoElement.cpp:507
SoElement::init
virtual void init(SoState *state)
Definition SoElement.cpp:553
SoGLCacheContextElement
The SoGLCacheContextElement class handles the OpenGL cache for a context.
Definition SoGLCacheContextElement.h:47
SoGLDisplayList
The SoGLDisplayList class stores and manages OpenGL display lists.
Definition SoGLDisplayList.h:43
SoState
The SoState class manages the Coin scene graph traversal state data.
Definition SoState.h:44