2 files changed, 32 insertions, 24 deletions

diff --git a/indra/llmath/llvolume.cpp b/indra/llmath/llvolume.cpp
index 53d56e96da..85ea14f9bc 100644
--- a/indra/llmath/llvolume.cpp
+++ b/indra/llmath/llvolume.cpp
@@ -6979,19 +6979,20 @@ void LLVolumeFace::pushVertex(const LLVector4a& pos, const LLVector4a& norm, con
 {
 	S32 new_verts = mNumVertices+1;
 	S32 new_size = new_verts*16;
-//	S32 old_size = mNumVertices*16;
+	S32 old_size = mNumVertices*16;
 
 	//positions
-	mPositions = (LLVector4a*) ll_aligned_realloc_16(mPositions, new_size);
+	mPositions = (LLVector4a*) ll_aligned_realloc_16(mPositions, new_size, old_size);
 	ll_assert_aligned(mPositions,16);
 	
 	//normals
-	mNormals = (LLVector4a*) ll_aligned_realloc_16(mNormals, new_size);
+	mNormals = (LLVector4a*) ll_aligned_realloc_16(mNormals, new_size, old_size);
 	ll_assert_aligned(mNormals,16);
 
 	//tex coords
 	new_size = ((new_verts*8)+0xF) & ~0xF;
-	mTexCoords = (LLVector2*) ll_aligned_realloc_16(mTexCoords, new_size);
+	old_size = ((mNumVertices*8)+0xF) & ~0xF;
+	mTexCoords = (LLVector2*) ll_aligned_realloc_16(mTexCoords, new_size, old_size);
 	ll_assert_aligned(mTexCoords,16);
 	
 
@@ -7045,7 +7046,7 @@ void LLVolumeFace::pushIndex(const U16& idx)
 	S32 old_size = ((mNumIndices*2)+0xF) & ~0xF;
 	if (new_size != old_size)
 	{
-		mIndices = (U16*) ll_aligned_realloc_16(mIndices, new_size);
+		mIndices = (U16*) ll_aligned_realloc_16(mIndices, new_size, old_size);
 		ll_assert_aligned(mIndices,16);
 	}
 	
@@ -7087,11 +7088,11 @@ void LLVolumeFace::appendFace(const LLVolumeFace& face, LLMatrix4& mat_in, LLMat
 	}
 
 	//allocate new buffer space
-	mPositions = (LLVector4a*) ll_aligned_realloc_16(mPositions, new_count*sizeof(LLVector4a));
+	mPositions = (LLVector4a*) ll_aligned_realloc_16(mPositions, new_count*sizeof(LLVector4a), mNumVertices*sizeof(LLVector4a));
 	ll_assert_aligned(mPositions, 16);
-	mNormals = (LLVector4a*) ll_aligned_realloc_16(mNormals, new_count*sizeof(LLVector4a));
+	mNormals = (LLVector4a*) ll_aligned_realloc_16(mNormals, new_count*sizeof(LLVector4a), mNumVertices*sizeof(LLVector4a));
 	ll_assert_aligned(mNormals, 16);
-	mTexCoords = (LLVector2*) ll_aligned_realloc_16(mTexCoords, (new_count*sizeof(LLVector2)+0xF) & ~0xF);
+	mTexCoords = (LLVector2*) ll_aligned_realloc_16(mTexCoords, (new_count*sizeof(LLVector2)+0xF) & ~0xF, (mNumVertices*sizeof(LLVector2)+0xF) & ~0xF);
 	ll_assert_aligned(mTexCoords, 16);
 	
 	mNumVertices = new_count;
@@ -7138,7 +7139,7 @@ void LLVolumeFace::appendFace(const LLVolumeFace& face, LLMatrix4& mat_in, LLMat
 	new_count = mNumIndices + face.mNumIndices;
 
 	//allocate new index buffer
-	mIndices = (U16*) ll_aligned_realloc_16(mIndices, (new_count*sizeof(U16)+0xF) & ~0xF);
+	mIndices = (U16*) ll_aligned_realloc_16(mIndices, (new_count*sizeof(U16)+0xF) & ~0xF, (mNumIndices*sizeof(U16)+0xF) & ~0xF);
 	
 	//get destination address into new index buffer
 	U16* dst_idx = mIndices+mNumIndices;
diff --git a/indra/llmath/tests/alignment_test.cpp b/indra/llmath/tests/alignment_test.cpp
index 49c668d737..9105b1c1fd 100644
--- a/indra/llmath/tests/alignment_test.cpp
+++ b/indra/llmath/tests/alignment_test.cpp
@@ -34,16 +34,6 @@
 #include "../llsimdmath.h"
 #include "../llvector4a.h"
 
-void* operator new(size_t size)
-{
-	return ll_aligned_malloc_16(size);
-}
-
-void operator delete(void *p)
-{
-	ll_aligned_free_16(p);
-}
-
 namespace tut
 {
 
@@ -59,6 +49,27 @@ tut::alignment_test_t tut_alignment_test("LLAlignment");
 LL_ALIGN_PREFIX(16)
 class MyVector4a
 {
+public:
+	void* operator new(size_t size)
+	{
+		return ll_aligned_malloc_16(size);
+	}
+
+	void operator delete(void *p)
+	{
+		ll_aligned_free_16(p);
+	}
+
+	void* operator new[](size_t count)
+	{	// try to allocate count bytes for an array
+		return ll_aligned_malloc_16(count);
+	}
+
+	void operator delete[](void *p)
+	{
+		ll_aligned_free_16(p);
+	}
+
 	LLQuad mQ;
 } LL_ALIGN_POSTFIX(16);
 
@@ -78,12 +89,8 @@ void alignment_test_object_t::test<1>()
 		align_ptr = ll_aligned_malloc_16(sizeof(MyVector4a));
 		ensure("ll_aligned_malloc_16 failed", is_aligned(align_ptr,16));
 
-#if !LL_LINUX
-		// Skipping realloc alignment test on Linux because the ll_aligned_realloc_16()
-		// function is not implemented to ensure alignment on Linux (see llmemory.h)
-		align_ptr = ll_aligned_realloc_16(align_ptr,2*sizeof(MyVector4a));
+		align_ptr = ll_aligned_realloc_16(align_ptr,2*sizeof(MyVector4a), sizeof(MyVector4a));
 		ensure("ll_aligned_realloc_16 failed", is_aligned(align_ptr,16));
-#endif // LL_LINUX
 
 		ll_aligned_free_16(align_ptr);