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Disable broken aligned_alloc on new versions of macOS and revert to old behaviour.

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Hindrik Stegenga 2021-07-21 16:54:47 +02:00
parent 55868965ae
commit 0495495a42
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GPG Key ID: 63F738E4E83A1295
1 changed files with 15 additions and 12 deletions
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27
include/vk_mem_alloc.h
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@ -4182,18 +4182,21 @@ static void* vma_aligned_alloc(size_t alignment, size_t size)
static void* vma_aligned_alloc(size_t alignment, size_t size)
{
#if defined(__APPLE__) && (defined(MAC_OS_X_VERSION_10_16) || defined(__IPHONE_14_0))
#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_16 || __IPHONE_OS_VERSION_MAX_ALLOWED >= __IPHONE_14_0
// For C++14, usr/include/malloc/_malloc.h declares aligned_alloc()) only
// with the MacOSX11.0 SDK in Xcode 12 (which is what adds
// MAC_OS_X_VERSION_10_16), even though the function is marked
// availabe for 10.15. That's why the preprocessor checks for 10.16 but
// the __builtin_available checks for 10.15.
// People who use C++17 could call aligned_alloc with the 10.15 SDK already.
if (__builtin_available(macOS 10.15, iOS 13, *))
return aligned_alloc(alignment, size);
#endif
#endif
// Unfortunately, aligned_alloc causes VMA to crash due to it returning null pointers. (At least under 11.4)
// Therefore, for now disable this specific exception until a proper solution is found.
//#if defined(__APPLE__) && (defined(MAC_OS_X_VERSION_10_16) || defined(__IPHONE_14_0))
//#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_16 || __IPHONE_OS_VERSION_MAX_ALLOWED >= __IPHONE_14_0
// // For C++14, usr/include/malloc/_malloc.h declares aligned_alloc()) only
// // with the MacOSX11.0 SDK in Xcode 12 (which is what adds
// // MAC_OS_X_VERSION_10_16), even though the function is marked
// // availabe for 10.15. That's why the preprocessor checks for 10.16 but
// // the __builtin_available checks for 10.15.
// // People who use C++17 could call aligned_alloc with the 10.15 SDK already.
// if (__builtin_available(macOS 10.15, iOS 13, *))
// return aligned_alloc(alignment, size);
//#endif
//#endif
// alignment must be >= sizeof(void*)
if(alignment < sizeof(void*))
{