Brecht Van Lommel
9cfc7967dd
* Replace license text in headers with SPDX identifiers. * Remove specific license info from outdated readme.txt, instead leave details to the source files. * Add list of SPDX license identifiers used, and corresponding license texts. * Update copyright dates while we're at it. Ref D14069, T95597
64 lines
1.5 KiB
C++
64 lines
1.5 KiB
C++
/* SPDX-License-Identifier: Apache-2.0
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* Copyright 2011-2022 Blender Foundation */
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#include "util/aligned_malloc.h"
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#include "util/guarded_allocator.h"
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#include <cassert>
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/* Adopted from Libmv. */
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#if !defined(__APPLE__) && !defined(__FreeBSD__) && !defined(__NetBSD__)
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/* Needed for memalign on Linux and _aligned_alloc on Windows. */
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# ifdef FREE_WINDOWS
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/* Make sure _aligned_malloc is included. */
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# ifdef __MSVCRT_VERSION__
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# undef __MSVCRT_VERSION__
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# endif
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# define __MSVCRT_VERSION__ 0x0700
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# endif /* FREE_WINDOWS */
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# include <malloc.h>
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#else
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/* Apple's malloc is 16-byte aligned, and does not have malloc.h, so include
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* stdilb instead.
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*/
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# include <cstdlib>
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#endif
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CCL_NAMESPACE_BEGIN
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void *util_aligned_malloc(size_t size, int alignment)
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{
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#ifdef WITH_BLENDER_GUARDEDALLOC
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return MEM_mallocN_aligned(size, alignment, "Cycles Aligned Alloc");
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#elif defined(_WIN32)
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return _aligned_malloc(size, alignment);
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#elif defined(__FreeBSD__) || defined(__NetBSD__) || defined(__APPLE__)
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void *result;
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if (posix_memalign(&result, alignment, size)) {
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/* Non-zero means allocation error
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* either no allocation or bad alignment value.
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*/
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return NULL;
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}
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return result;
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#else /* This is for Linux. */
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return memalign(alignment, size);
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#endif
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}
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void util_aligned_free(void *ptr)
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{
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#if defined(WITH_BLENDER_GUARDEDALLOC)
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if (ptr != NULL) {
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MEM_freeN(ptr);
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}
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#elif defined(_WIN32)
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_aligned_free(ptr);
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#else
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free(ptr);
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#endif
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}
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CCL_NAMESPACE_END
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