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source/lib/allocators/unique_ptr_aligned.cpp
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/* Copyright (c) 2017 Wildfire Games | |||||
* | |||||
* 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. | |||||
*/ | |||||
#include "precompiled.h" | |||||
#include "lib/allocators/unique_ptr_aligned.h" | |||||
#include "lib/alignment.h" // allocationAlignment | |||||
#include "lib/bits.h" // is_pow2, round_up | |||||
#include "lib/sysdep/rtl.h" // rtl_FreeAligned | |||||
void FreeAligned::operator()(void* pointer) | |||||
{ | |||||
rtl_FreeAligned(pointer); | |||||
} | |||||
unique_ptr_aligned AllocateAligned(size_t size, size_t alignment) | |||||
{ | |||||
ENSURE(is_pow2(alignment)); | |||||
alignment = std::max(alignment, allocationAlignment); | |||||
const size_t alignedSize = round_up(size, alignment); | |||||
void* p = rtl_AllocateAligned(alignedSize, alignment); | |||||
return {p, FreeAligned()}; | |||||
} |
Wildfire Games · Phabricator