AeThex-Engine-Core/engine/core/variant/variant_pools.h

74 lines
3.5 KiB
C++

/**************************************************************************/
/* variant_pools.h */
/**************************************************************************/
/* This file is part of: */
/* AETHEX ENGINE */
/* https://aethex.dev */
/**************************************************************************/
/* Copyright (c) 2014-present AETHEX ENGINE contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* 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. */
/**************************************************************************/
#pragma once
#include "core/math/math_defs.h"
#include "core/os/memory.h"
namespace VariantPools {
inline constexpr size_t BUCKET_SMALL = 2 * 3 * sizeof(real_t);
inline constexpr size_t BUCKET_MEDIUM = 4 * 3 * sizeof(real_t);
inline constexpr size_t BUCKET_LARGE = 4 * 4 * sizeof(real_t);
void *alloc_small();
void *alloc_medium();
void *alloc_large();
template <typename T>
_FORCE_INLINE_ T *alloc() {
if constexpr (sizeof(T) <= BUCKET_SMALL && alignof(real_t) % alignof(T) == 0) {
return static_cast<T *>(alloc_small());
} else if constexpr (sizeof(T) <= BUCKET_MEDIUM && alignof(real_t) % alignof(T) == 0) {
return static_cast<T *>(alloc_medium());
} else if constexpr (sizeof(T) <= BUCKET_LARGE && alignof(real_t) % alignof(T) == 0) {
return static_cast<T *>(alloc_large());
} else {
return memnew(T);
}
}
void free_small(void *p_ptr);
void free_medium(void *p_ptr);
void free_large(void *p_ptr);
template <typename T>
_FORCE_INLINE_ void free(T *p_ptr) {
if constexpr (sizeof(T) <= BUCKET_SMALL && alignof(real_t) % alignof(T) == 0) {
free_small(p_ptr);
} else if constexpr (sizeof(T) <= BUCKET_MEDIUM && alignof(real_t) % alignof(T) == 0) {
free_medium(p_ptr);
} else if constexpr (sizeof(T) <= BUCKET_LARGE && alignof(real_t) % alignof(T) == 0) {
free_large(p_ptr);
} else {
memdelete(p_ptr);
}
}
}; //namespace VariantPools