mirror of
https://github.com/yuzu-emu/FasTC.git
synced 2024-11-24 09:25:41 +01:00
94 lines
3.4 KiB
C++
94 lines
3.4 KiB
C++
/* FasTC
|
|
* Copyright (c) 2012 University of North Carolina at Chapel Hill. All rights reserved.
|
|
*
|
|
* Permission to use, copy, modify, and distribute this software and its documentation for educational,
|
|
* research, and non-profit purposes, without fee, and without a written agreement is hereby granted,
|
|
* provided that the above copyright notice, this paragraph, and the following four paragraphs appear
|
|
* in all copies.
|
|
*
|
|
* Permission to incorporate this software into commercial products may be obtained by contacting the
|
|
* authors or the Office of Technology Development at the University of North Carolina at Chapel Hill <otd@unc.edu>.
|
|
*
|
|
* This software program and documentation are copyrighted by the University of North Carolina at Chapel Hill.
|
|
* The software program and documentation are supplied "as is," without any accompanying services from the
|
|
* University of North Carolina at Chapel Hill or the authors. The University of North Carolina at Chapel Hill
|
|
* and the authors do not warrant that the operation of the program will be uninterrupted or error-free. The
|
|
* end-user understands that the program was developed for research purposes and is advised not to rely
|
|
* exclusively on the program for any reason.
|
|
*
|
|
* IN NO EVENT SHALL THE UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL OR THE AUTHORS BE LIABLE TO ANY PARTY FOR
|
|
* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING LOST PROFITS, ARISING OUT OF THE
|
|
* USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL OR THE
|
|
* AUTHORS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
* THE UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL AND THE AUTHORS SPECIFICALLY DISCLAIM ANY WARRANTIES, INCLUDING,
|
|
* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE AND ANY
|
|
* STATUTORY WARRANTY OF NON-INFRINGEMENT. THE SOFTWARE PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND THE UNIVERSITY
|
|
* OF NORTH CAROLINA AT CHAPEL HILL AND THE AUTHORS HAVE NO OBLIGATIONS TO PROVIDE MAINTENANCE, SUPPORT, UPDATES,
|
|
* ENHANCEMENTS, OR MODIFICATIONS.
|
|
*
|
|
* Please send all BUG REPORTS to <pavel@cs.unc.edu>.
|
|
*
|
|
* The authors may be contacted via:
|
|
*
|
|
* Pavel Krajcevski
|
|
* Dept of Computer Science
|
|
* 201 S Columbia St
|
|
* Frederick P. Brooks, Jr. Computer Science Bldg
|
|
* Chapel Hill, NC 27599-3175
|
|
* USA
|
|
*
|
|
* <http://gamma.cs.unc.edu/FasTC/>
|
|
*/
|
|
|
|
#ifndef __REFERENCE_COUNTER_H__
|
|
#define __REFERENCE_COUNTER_H__
|
|
|
|
#include "TexCompTypes.h"
|
|
|
|
class ReferenceCounter {
|
|
public:
|
|
ReferenceCounter() : m_ReferenceCount( new uint32 ) {
|
|
*m_ReferenceCount = 1;
|
|
}
|
|
ReferenceCounter(const ReferenceCounter &other)
|
|
: m_ReferenceCount(other.m_ReferenceCount) {
|
|
IncRefCount();
|
|
}
|
|
|
|
ReferenceCounter &operator=(const ReferenceCounter &other) {
|
|
DecRefCount();
|
|
m_ReferenceCount = other.m_ReferenceCount;
|
|
IncRefCount();
|
|
return *this;
|
|
}
|
|
|
|
uint32 GetRefCount() const {
|
|
if(m_ReferenceCount)
|
|
return *m_ReferenceCount;
|
|
else
|
|
return 0;
|
|
}
|
|
|
|
void DecRefCount() {
|
|
if(!m_ReferenceCount) return;
|
|
|
|
(*m_ReferenceCount)--;
|
|
|
|
if(*m_ReferenceCount == 0) {
|
|
delete m_ReferenceCount;
|
|
m_ReferenceCount = 0;
|
|
}
|
|
}
|
|
|
|
void IncRefCount() {
|
|
if(!m_ReferenceCount) return;
|
|
(*m_ReferenceCount)++;
|
|
}
|
|
|
|
private:
|
|
uint32 *m_ReferenceCount;
|
|
};
|
|
|
|
#endif // __REFERENCE_COUNTER_H__
|