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-rw-r--r--indra/newview/llpolymesh.cpp34
1 files changed, 21 insertions, 13 deletions
diff --git a/indra/newview/llpolymesh.cpp b/indra/newview/llpolymesh.cpp
index b8bdbfb2f8..d10e4fee3a 100644
--- a/indra/newview/llpolymesh.cpp
+++ b/indra/newview/llpolymesh.cpp
@@ -35,7 +35,8 @@
//-----------------------------------------------------------------------------
#include "llviewerprecompiledheaders.h"
-#include "llpolymesh.h"
+#include "llfasttimer.h"
+#include "llmemory.h"
#include "llviewercontrol.h"
#include "llxmltree.h"
@@ -45,7 +46,7 @@
#include "llvolume.h"
#include "llendianswizzle.h"
-#include "llfasttimer.h"
+#include "llpolymesh.h"
#define HEADER_ASCII "Linden Mesh 1.0"
#define HEADER_BINARY "Linden Binary Mesh 1.0"
@@ -140,7 +141,7 @@ void LLPolyMeshSharedData::freeMeshData()
delete [] mDetailTexCoords;
mDetailTexCoords = NULL;
- delete [] mWeights;
+ ll_aligned_free_16(mWeights);
mWeights = NULL;
}
@@ -230,7 +231,7 @@ BOOL LLPolyMeshSharedData::allocateVertexData( U32 numVertices )
mBaseBinormals = new LLVector3[ numVertices ];
mTexCoords = new LLVector2[ numVertices ];
mDetailTexCoords = new LLVector2[ numVertices ];
- mWeights = new F32[ numVertices ];
+ mWeights = (F32*) ll_aligned_malloc_16((numVertices*sizeof(F32)+0xF) & ~0xF);
for (i = 0; i < numVertices; i++)
{
mWeights[i] = 0.f;
@@ -715,15 +716,22 @@ LLPolyMesh::LLPolyMesh(LLPolyMeshSharedData *shared_data, LLPolyMesh *reference_
int nfloats = nverts * (2*4 + 3*3 + 2 + 4);
//use aligned vertex data to make LLPolyMesh SSE friendly
- mVertexData = (F32*) _mm_malloc(nfloats*4, 16);
+ mVertexData = (F32*) ll_aligned_malloc_16(nfloats*4);
int offset = 0;
- mCoords = (LLVector4*)(mVertexData + offset); offset += 4*nverts;
- mNormals = (LLVector4*)(mVertexData + offset); offset += 4*nverts;
- mScaledNormals = (LLVector3*)(mVertexData + offset); offset += 3*nverts;
- mBinormals = (LLVector3*)(mVertexData + offset); offset += 3*nverts;
- mScaledBinormals = (LLVector3*)(mVertexData + offset); offset += 3*nverts;
- mTexCoords = (LLVector2*)(mVertexData + offset); offset += 2*nverts;
- mClothingWeights = (LLVector4*)(mVertexData + offset); offset += 4*nverts;
+
+ //all members must be 16-byte aligned except the last 3
+ mCoords = (LLVector4*)(mVertexData + offset); offset += 4*nverts;
+ mNormals = (LLVector4*)(mVertexData + offset); offset += 4*nverts;
+ mClothingWeights = (LLVector4*)(mVertexData + offset); offset += 4*nverts;
+ mTexCoords = (LLVector2*)(mVertexData + offset); offset += 2*nverts;
+
+ // these members don't need to be 16-byte aligned, but the first one might be
+ // read during an aligned memcpy of mTexCoords
+ mScaledNormals = (LLVector3*)(mVertexData + offset); offset += 3*nverts;
+ mBinormals = (LLVector3*)(mVertexData + offset); offset += 3*nverts;
+ mScaledBinormals = (LLVector3*)(mVertexData + offset); offset += 3*nverts;
+
+
#else
mCoords = new LLVector3[mSharedData->mNumVertices];
mNormals = new LLVector3[mSharedData->mNumVertices];
@@ -759,7 +767,7 @@ LLPolyMesh::~LLPolyMesh()
delete [] mClothingWeights;
delete [] mTexCoords;
#else
- _mm_free(mVertexData);
+ ll_aligned_free_16(mVertexData);
#endif
}