From f44305429c35dac4c049e7895131b429b2782d0a Mon Sep 17 00:00:00 2001
From: Adam Sawicki <adam.sawicki@amd.com>
Date: Wed, 28 Feb 2018 11:24:46 +0100
Subject: [PATCH] Fix for aligned_alloc for Apple MolenVK. Thanks @rextimmy !

---
 src/vk_mem_alloc.h | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/src/vk_mem_alloc.h b/src/vk_mem_alloc.h
index 24d4a44..349b83f 100644
--- a/src/vk_mem_alloc.h
+++ b/src/vk_mem_alloc.h
@@ -1747,9 +1747,16 @@ remove them if not needed.
 #include <cstdlib>
 void *aligned_alloc(size_t alignment, size_t size)
 {
+    // alignment must be >= sizeof(void*)
+    if(alignment < sizeof(void*))
+    {
+        alignment = sizeof(void*);
+    }
+
     void *pointer;
-    posix_memalign(&pointer, alignment, size);
-    return pointer;
+    if(posix_memalign(&pointer, alignment, size) == 0)
+        return pointer;
+    return VMA_NULL;
 }
 #endif