SH-3563. Pull and merge from viewer-development. Modest code changes to fix alignment issue in llAppearance.

1 files changed, 10 insertions, 9 deletions

diff --git a/indra/llmath/llvolume.cpp b/indra/llmath/llvolume.cpp
index 81c52d370b..95fd81fda0 100644
--- a/indra/llmath/llvolume.cpp
+++ b/indra/llmath/llvolume.cpp
@@ -6974,19 +6974,20 @@ 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);
 	
 
@@ -7040,7 +7041,7 @@ 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);
 	}
 	
@@ -7082,11 +7083,11 @@ 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;
@@ -7133,7 +7134,7 @@ 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;