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/* SPDX-License-Identifier: Apache-2.0
* Copyright 2011-2022 Blender Foundation */
#ifndef __UTIL_VECTOR_H__
#define __UTIL_VECTOR_H__
#include <cassert>
#include <cstring>
#include <vector>
#include "util/aligned_malloc.h"
#include "util/guarded_allocator.h"
CCL_NAMESPACE_BEGIN
/* Own subclass-ed version of std::vector. Subclass is needed because:
*
* - Use own allocator which keeps track of used/peak memory.
* - Have method to ensure capacity is re-set to 0.
*/
template<typename value_type, typename allocator_type = GuardedAllocator<value_type>>
class vector : public std::vector<value_type, allocator_type> {
public:
typedef std::vector<value_type, allocator_type> BaseClass;
/* Inherit all constructors from base class. */
using BaseClass::vector;
/* Try as hard as possible to use zero memory. */
void free_memory()
{
vector<value_type, allocator_type> empty;
BaseClass::swap(empty);
}
/* Some external API might demand working with std::vector. */
operator std::vector<value_type>()
{
return std::vector<value_type>(this->begin(), this->end());
}
};
CCL_NAMESPACE_END
#endif /* __UTIL_VECTOR_H__ */
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