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-rw-r--r--indra/newview/llpolymesh.cpp52
1 files changed, 33 insertions, 19 deletions
diff --git a/indra/newview/llpolymesh.cpp b/indra/newview/llpolymesh.cpp
index 363b0b8e9d..c6425ed283 100644
--- a/indra/newview/llpolymesh.cpp
+++ b/indra/newview/llpolymesh.cpp
@@ -29,7 +29,8 @@
//-----------------------------------------------------------------------------
#include "llviewerprecompiledheaders.h"
-#include "llpolymesh.h"
+#include "llfasttimer.h"
+#include "llmemory.h"
#include "llviewercontrol.h"
#include "llxmltree.h"
@@ -39,7 +40,7 @@
#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"
@@ -134,7 +135,7 @@ void LLPolyMeshSharedData::freeMeshData()
delete [] mDetailTexCoords;
mDetailTexCoords = NULL;
- delete [] mWeights;
+ free(mWeights);
mWeights = NULL;
}
@@ -224,7 +225,7 @@ BOOL LLPolyMeshSharedData::allocateVertexData( U32 numVertices )
mBaseBinormals = new LLVector3[ numVertices ];
mTexCoords = new LLVector2[ numVertices ];
mDetailTexCoords = new LLVector2[ numVertices ];
- mWeights = new F32[ numVertices ];
+ mWeights = (F32*) malloc((numVertices*sizeof(F32)+0xF) & ~0xF);
for (i = 0; i < numVertices; i++)
{
mWeights[i] = 0.f;
@@ -702,20 +703,29 @@ LLPolyMesh::LLPolyMesh(LLPolyMeshSharedData *shared_data, LLPolyMesh *reference_
mClothingWeights = reference_mesh->mClothingWeights;
}
else
- {
+ {
#if 1 // Allocate memory without initializing every vector
// NOTE: This makes asusmptions about the size of LLVector[234]
int nverts = mSharedData->mNumVertices;
- int nfloats = nverts * (3*5 + 2 + 4);
- mVertexData = new F32[nfloats];
+ int nfloats = nverts * (2*4 + 3*3 + 2 + 4);
+
+ //use 16 byte aligned vertex data to make LLPolyMesh SSE friendly
+ mVertexData = (F32*) malloc(nfloats*4);
int offset = 0;
- mCoords = (LLVector3*)(mVertexData + offset); offset += 3*nverts;
- mNormals = (LLVector3*)(mVertexData + offset); offset += 3*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];
@@ -751,7 +761,7 @@ LLPolyMesh::~LLPolyMesh()
delete [] mClothingWeights;
delete [] mTexCoords;
#else
- delete [] mVertexData;
+ free(mVertexData);
#endif
}
@@ -858,7 +868,7 @@ void LLPolyMesh::dumpDiagInfo()
//-----------------------------------------------------------------------------
// getWritableCoords()
//-----------------------------------------------------------------------------
-LLVector3 *LLPolyMesh::getWritableCoords()
+LLVector4 *LLPolyMesh::getWritableCoords()
{
return mCoords;
}
@@ -866,7 +876,7 @@ LLVector3 *LLPolyMesh::getWritableCoords()
//-----------------------------------------------------------------------------
// getWritableNormals()
//-----------------------------------------------------------------------------
-LLVector3 *LLPolyMesh::getWritableNormals()
+LLVector4 *LLPolyMesh::getWritableNormals()
{
return mNormals;
}
@@ -921,8 +931,12 @@ void LLPolyMesh::initializeForMorph()
if (!mSharedData)
return;
- memcpy(mCoords, mSharedData->mBaseCoords, sizeof(LLVector3) * mSharedData->mNumVertices); /*Flawfinder: ignore*/
- memcpy(mNormals, mSharedData->mBaseNormals, sizeof(LLVector3) * mSharedData->mNumVertices); /*Flawfinder: ignore*/
+ for (U32 i = 0; i < mSharedData->mNumVertices; ++i)
+ {
+ mCoords[i] = LLVector4(mSharedData->mBaseCoords[i]);
+ mNormals[i] = LLVector4(mSharedData->mBaseNormals[i]);
+ }
+
memcpy(mScaledNormals, mSharedData->mBaseNormals, sizeof(LLVector3) * mSharedData->mNumVertices); /*Flawfinder: ignore*/
memcpy(mBinormals, mSharedData->mBaseBinormals, sizeof(LLVector3) * mSharedData->mNumVertices); /*Flawfinder: ignore*/
memcpy(mScaledBinormals, mSharedData->mBaseBinormals, sizeof(LLVector3) * mSharedData->mNumVertices); /*Flawfinder: ignore*/