initial commit, 4.5 stable

thirdparty/embree/patches/0005-mingw-llvm-arm64.patch

@@ -0,0 +1,40 @@
+diff --git a/thirdparty/embree/common/simd/arm/sse2neon.h b/thirdparty/embree/common/simd/arm/sse2neon.h
+index b18d41e783..5a75ccff20 100644
+--- a/thirdparty/embree/common/simd/arm/sse2neon.h
++++ b/thirdparty/embree/common/simd/arm/sse2neon.h
+@@ -102,7 +102,7 @@
+ #include <stdint.h>
+ #include <stdlib.h>
+ 
+-#if defined(_WIN32)
++#if defined(_WIN32) && !defined(__MINGW32__)
+ /* Definitions for _mm_{malloc,free} are provided by <malloc.h>
+  * from both MinGW-w64 and MSVC.
+  */
+@@ -1888,7 +1888,11 @@ FORCE_INLINE __m128 _mm_div_ss(__m128 a, __m128 b)
+ #if !defined(SSE2NEON_ALLOC_DEFINED)
+ FORCE_INLINE void _mm_free(void *addr)
+ {
++#if defined(_WIN32)
++    _aligned_free(addr);
++#else
+     free(addr);
++#endif
+ }
+ #endif
+ 
+@@ -2080,8 +2084,14 @@ FORCE_INLINE void *_mm_malloc(size_t size, size_t align)
+         return malloc(size);
+     if (align == 2 || (sizeof(void *) == 8 && align == 4))
+         align = sizeof(void *);
++#if defined(_WIN32)
++    ptr = _aligned_malloc(size, align);
++    if (ptr)
++        return ptr;
++#else
+     if (!posix_memalign(&ptr, align, size))
+         return ptr;
++#endif
+     return NULL;
+ }
+ #endif