Coin Logo Coin3D is Free Software,
published under the BSD 3-clause license.
https://bitbucket.org/Coin3D/
http://www.kongsberg.com/kogt/
SoCache.h
1 #ifndef COIN_SOCACHE_H
2 #define COIN_SOCACHE_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
31  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 class SoState;
37 class SoElement;
38 class SoCacheP;
39 
40 #include <Inventor/SbBasic.h>
41 #include <cstddef> // for NULL
42 
43 class COIN_DLL_API SoCache {
44 public:
45  SoCache(SoState * const state);
46 
47  void ref(void);
48  void unref(SoState * state = NULL);
49 
50  void addElement(const SoElement * const elem);
51 
52  virtual void addCacheDependency(const SoState * state,
53  SoCache * cache);
54  virtual SbBool isValid(const SoState * state) const;
55  const SoElement * getInvalidElement(const SoState * const state) const;
56  void invalidate(void);
57 
58 protected:
59  virtual void destroy(SoState * state);
60  virtual ~SoCache();
61 
62 private:
63  SoCacheP * pimpl;
64 };
65 
66 #endif // !COIN_SOCACHE_H
SoElement is the abstract base class for all elements.
Definition: SoElement.h:43
The SoState class manages the Coin scenegraph traversal state data.
Definition: SoState.h:44
The SoCache class is the superclass for all internal cache classes.
Definition: SoCache.h:43