From 78e4e867eb759cedf864ebf6e8c2b75585d2bf1d Mon Sep 17 00:00:00 2001
From: Recep Aslantas <info@recp.me>
Date: Thu, 6 Oct 2016 16:54:08 +0300
Subject: [PATCH] unaligned matrix duplication

---
 include/cglm-mat.h | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/include/cglm-mat.h b/include/cglm-mat.h
index 10d8047..7bdde93 100644
--- a/include/cglm-mat.h
+++ b/include/cglm-mat.h
@@ -26,6 +26,21 @@
 /* for C only */
 #define GLM_MAT4_IDENTITY (mat4)GLM_MAT4_IDENTITY_INIT
 
+/*!
+ * @brief copy all members of [mat] to [dest]
+ *
+ * matrix may not be aligned, u stands for unaligned, this may be useful when
+ * copying a matrix from external source e.g. asset importer...
+ *
+ * @param[in]  mat  source
+ * @param[out] dest destination
+ */
+CGLM_INLINE
+void
+glm_mat4_udup(mat4 mat, mat4 dest) {
+  glm__memcpy(float, dest, mat, sizeof(mat4));
+}
+
 /*!
  * @brief copy all members of [mat] to [dest]
  *
@@ -44,7 +59,7 @@ glm_mat4_dup(mat4 mat, mat4 dest) {
   _mm_store_ps(dest[2], _mm_load_ps(mat[2]));
   _mm_store_ps(dest[3], _mm_load_ps(mat[3]));
 #else
-  glm__memcpy(float, dest, mat, sizeof(mat4));
+  glm_mat4_udup(mat, dest);
 #endif
 }