1 files changed, 123 insertions, 0 deletions
diff --git a/source/blender/blenlib/BLI_memory_utils.hh b/source/blender/blenlib/BLI_memory_utils.hh
new file mode 100644
index 00000000000..d9acf08a43f
--- /dev/null
+++ b/source/blender/blenlib/BLI_memory_utils.hh
@@ -0,0 +1,123 @@
+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#ifndef __BLI_MEMORY_UTILS_HH__
+#define __BLI_MEMORY_UTILS_HH__
+
+/** \file
+ * \ingroup bli
+ */
+
+#include <algorithm>
+#include <memory>
+
+#include "BLI_utildefines.h"
+
+namespace BLI {
+
+using std::copy;
+using std::copy_n;
+using std::uninitialized_copy;
+using std::uninitialized_copy_n;
+using std::uninitialized_fill;
+using std::uninitialized_fill_n;
+
+template<typename T> void construct_default(T *ptr)
+{
+  new (ptr) T();
+}
+
+template<typename T> void destruct(T *ptr)
+{
+  ptr->~T();
+}
+
+template<typename T> void destruct_n(T *ptr, uint n)
+{
+  for (uint i = 0; i < n; i++) {
+    ptr[i].~T();
+  }
+}
+
+template<typename T> void uninitialized_move_n(T *src, uint n, T *dst)
+{
+  std::uninitialized_copy_n(std::make_move_iterator(src), n, dst);
+}
+
+template<typename T> void move_n(T *src, uint n, T *dst)
+{
+  std::copy_n(std::make_move_iterator(src), n, dst);
+}
+
+template<typename T> void uninitialized_relocate(T *src, T *dst)
+{
+  new (dst) T(std::move(*src));
+  destruct(src);
+}
+
+template<typename T> void uninitialized_relocate_n(T *src, uint n, T *dst)
+{
+  uninitialized_move_n(src, n, dst);
+  destruct_n(src, n);
+}
+
+template<typename T> void relocate(T *src, T *dst)
+{
+  *dst = std::move(*src);
+  destruct(src);
+}
+
+template<typename T> void relocate_n(T *src, uint n, T *dst)
+{
+  move_n(src, n, dst);
+  destruct_n(src, n);
+}
+
+template<typename T, typename... Args> std::unique_ptr<T> make_unique(Args &&... args)
+{
+  return std::unique_ptr<T>(new T(std::forward<Args>(args)...));
+}
+
+template<typename T> struct DestructValueAtAddress {
+  void operator()(T *ptr)
+  {
+    ptr->~T();
+  }
+};
+
+template<typename T> using destruct_ptr = std::unique_ptr<T, DestructValueAtAddress<T>>;
+
+template<uint Size, uint Alignment> class alignas(Alignment) AlignedBuffer {
+ private:
+  /* Don't create an empty array. This causes problems with some compilers. */
+  static constexpr uint ActualSize = (Size > 0) ? Size : 1;
+  char m_buffer[ActualSize];
+
+ public:
+  void *ptr()
+  {
+    return (void *)m_buffer;
+  }
+
+  const void *ptr() const
+  {
+    return (const void *)m_buffer;
+  }
+};
+
+}  // namespace BLI
+
+#endif /* __BLI_MEMORY_UTILS_HH__ */