mirror of
https://github.com/OpenSpace/OpenSpace.git
synced 2026-01-02 01:30:34 -06:00
61 lines
2.9 KiB
C++
61 lines
2.9 KiB
C++
/*****************************************************************************************
|
|
* *
|
|
* OpenSpace *
|
|
* *
|
|
* Copyright (c) 2014-2021 *
|
|
* *
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy of this *
|
|
* software and associated documentation files (the "Software"), to deal in the Software *
|
|
* without restriction, including without limitation the rights to use, copy, modify, *
|
|
* merge, publish, distribute, sublicense, and/or sell copies of the Software, and to *
|
|
* permit persons to whom the Software is furnished to do so, subject to the following *
|
|
* conditions: *
|
|
* *
|
|
* The above copyright notice and this permission notice shall be included in all copies *
|
|
* or substantial portions of the Software. *
|
|
* *
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, *
|
|
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A *
|
|
* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT *
|
|
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF *
|
|
* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE *
|
|
* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
|
|
****************************************************************************************/
|
|
|
|
#ifndef __OPENSPACE_MODULE_VOLUME___LINEARLRUCACHE___H__
|
|
#define __OPENSPACE_MODULE_VOLUME___LINEARLRUCACHE___H__
|
|
|
|
#include <ghoul/glm.h>
|
|
#include <list>
|
|
#include <iterator>
|
|
|
|
namespace openspace::volume {
|
|
|
|
template <typename ValueType>
|
|
class LinearLruCache {
|
|
public:
|
|
LinearLruCache(size_t capacity, size_t nIndices);
|
|
|
|
bool has(size_t key) const;
|
|
void set(size_t key, ValueType value);
|
|
|
|
ValueType& use(size_t key);
|
|
ValueType& get(size_t key);
|
|
|
|
void evict();
|
|
size_t capacity() const;
|
|
|
|
private:
|
|
void insert(size_t key, const ValueType& value);
|
|
|
|
std::list<size_t> _tracker;
|
|
std::vector<std::pair<ValueType, typename std::list<size_t>::iterator>> _cache;
|
|
size_t _capacity;
|
|
};
|
|
|
|
} // namespace openspace::volume
|
|
|
|
#include "linearlrucache.inl"
|
|
|
|
#endif // __OPENSPACE_MODULE_VOLUME___LINEARLRUCACHE___H__
|