Merge. Pull viewer-release to get the new version scheme changes.

1 files changed, 1048 insertions, 0 deletions

diff --git a/indra/llappearance/llpolymesh.cpp b/indra/llappearance/llpolymesh.cpp
new file mode 100644
index 0000000000..a01457246e
--- /dev/null
+++ b/indra/llappearance/llpolymesh.cpp
@@ -0,0 +1,1048 @@
+/** 
+ * @file llpolymesh.cpp
+ * @brief Implementation of LLPolyMesh class
+ *
+ * $LicenseInfo:firstyear=2001&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+//-----------------------------------------------------------------------------
+// Header Files
+//-----------------------------------------------------------------------------
+#include "linden_common.h"
+#include "llpolymesh.h"
+#include "llfasttimer.h"
+#include "llmemory.h"
+
+//#include "llviewercontrol.h"
+#include "llxmltree.h"
+#include "llavatarappearance.h"
+#include "llwearable.h"
+#include "lldir.h"
+#include "llvolume.h"
+#include "llendianswizzle.h"
+
+
+#define HEADER_ASCII "Linden Mesh 1.0"
+#define HEADER_BINARY "Linden Binary Mesh 1.0"
+
+//extern LLControlGroup gSavedSettings;                           // read only
+
+LLPolyMorphData *clone_morph_param_duplicate(const LLPolyMorphData *src_data,
+					     const std::string &name);
+LLPolyMorphData *clone_morph_param_direction(const LLPolyMorphData *src_data,
+					     const LLVector3 &direction,
+					     const std::string &name);
+LLPolyMorphData *clone_morph_param_cleavage(const LLPolyMorphData *src_data,
+                                            F32 scale,
+                                            const std::string &name);
+
+//-----------------------------------------------------------------------------
+// Global table of loaded LLPolyMeshes
+//-----------------------------------------------------------------------------
+LLPolyMesh::LLPolyMeshSharedDataTable LLPolyMesh::sGlobalSharedMeshList;
+
+//-----------------------------------------------------------------------------
+// LLPolyMeshSharedData()
+//-----------------------------------------------------------------------------
+LLPolyMeshSharedData::LLPolyMeshSharedData()
+{
+        mNumVertices = 0;
+        mBaseCoords = NULL;
+        mBaseNormals = NULL;
+        mBaseBinormals = NULL;
+        mTexCoords = NULL;
+        mDetailTexCoords = NULL;
+        mWeights = NULL;
+        mHasWeights = FALSE;
+        mHasDetailTexCoords = FALSE;
+
+        mNumFaces = 0;
+        mFaces = NULL;
+
+        mNumJointNames = 0;
+        mJointNames = NULL;
+
+        mTriangleIndices = NULL;
+        mNumTriangleIndices = 0;
+
+        mReferenceData = NULL;
+
+        mLastIndexOffset = -1;
+}
+
+//-----------------------------------------------------------------------------
+// ~LLPolyMeshSharedData()
+//-----------------------------------------------------------------------------
+LLPolyMeshSharedData::~LLPolyMeshSharedData()
+{
+        freeMeshData();
+        for_each(mMorphData.begin(), mMorphData.end(), DeletePointer());
+        mMorphData.clear();
+}
+
+//-----------------------------------------------------------------------------
+// setupLOD()
+//-----------------------------------------------------------------------------
+void LLPolyMeshSharedData::setupLOD(LLPolyMeshSharedData* reference_data)
+{
+        mReferenceData = reference_data;
+
+        if (reference_data)
+        {
+                mBaseCoords = reference_data->mBaseCoords;
+                mBaseNormals = reference_data->mBaseNormals;
+                mBaseBinormals = reference_data->mBaseBinormals;
+                mTexCoords = reference_data->mTexCoords;
+                mDetailTexCoords = reference_data->mDetailTexCoords;
+                mWeights = reference_data->mWeights;
+                mHasWeights = reference_data->mHasWeights;
+                mHasDetailTexCoords = reference_data->mHasDetailTexCoords;
+        }
+}
+
+//-----------------------------------------------------------------------------
+// LLPolyMeshSharedData::freeMeshData()
+//-----------------------------------------------------------------------------
+void LLPolyMeshSharedData::freeMeshData()
+{
+        if (!mReferenceData)
+        {
+                mNumVertices = 0;
+
+                ll_aligned_free_16(mBaseCoords);
+                mBaseCoords = NULL;
+
+                ll_aligned_free_16(mBaseNormals);
+                mBaseNormals = NULL;
+
+                ll_aligned_free_16(mBaseBinormals);
+                mBaseBinormals = NULL;
+
+                ll_aligned_free_16(mTexCoords);
+                mTexCoords = NULL;
+
+                ll_aligned_free_16(mDetailTexCoords);
+                mDetailTexCoords = NULL;
+
+                ll_aligned_free_16(mWeights);
+                mWeights = NULL;
+        }
+
+        mNumFaces = 0;
+        delete [] mFaces;
+        mFaces = NULL;
+
+        mNumJointNames = 0;
+        delete [] mJointNames;
+        mJointNames = NULL;
+
+        delete [] mTriangleIndices;
+        mTriangleIndices = NULL;
+
+//      mVertFaceMap.deleteAllData();
+}
+
+// compate_int is used by the qsort function to sort the index array
+int compare_int(const void *a, const void *b);
+
+//-----------------------------------------------------------------------------
+// genIndices()
+//-----------------------------------------------------------------------------
+void LLPolyMeshSharedData::genIndices(S32 index_offset)
+{
+        if (index_offset == mLastIndexOffset)
+        {
+                return;
+        }
+
+        delete []mTriangleIndices;
+        mTriangleIndices = new U32[mNumTriangleIndices];
+
+        S32 cur_index = 0;
+        for (S32 i = 0; i < mNumFaces; i++)
+        {
+                mTriangleIndices[cur_index] = mFaces[i][0] + index_offset;
+                cur_index++;
+                mTriangleIndices[cur_index] = mFaces[i][1] + index_offset;
+                cur_index++;
+                mTriangleIndices[cur_index] = mFaces[i][2] + index_offset;
+                cur_index++;
+        }
+
+        mLastIndexOffset = index_offset;
+}
+
+//--------------------------------------------------------------------
+// LLPolyMeshSharedData::getNumKB()
+//--------------------------------------------------------------------
+U32 LLPolyMeshSharedData::getNumKB()
+{
+        U32 num_kb = sizeof(LLPolyMesh);
+
+        if (!isLOD())
+        {
+                num_kb += mNumVertices *
+                        ( sizeof(LLVector3) +   // coords
+                          sizeof(LLVector3) +             // normals
+                          sizeof(LLVector2) );    // texCoords
+        }
+
+        if (mHasDetailTexCoords && !isLOD())
+        {
+                num_kb += mNumVertices * sizeof(LLVector2);     // detailTexCoords
+        }
+
+        if (mHasWeights && !isLOD())
+        {
+                num_kb += mNumVertices * sizeof(float);         // weights
+        }
+
+        num_kb += mNumFaces * sizeof(LLPolyFace);       // faces
+
+        num_kb /= 1024;
+        return num_kb;
+}
+
+//-----------------------------------------------------------------------------
+// LLPolyMeshSharedData::allocateVertexData()
+//-----------------------------------------------------------------------------
+BOOL LLPolyMeshSharedData::allocateVertexData( U32 numVertices )
+{
+        U32 i;
+        mBaseCoords = (LLVector4a*) ll_aligned_malloc_16(numVertices*sizeof(LLVector4a));
+        mBaseNormals = (LLVector4a*) ll_aligned_malloc_16(numVertices*sizeof(LLVector4a));
+        mBaseBinormals = (LLVector4a*) ll_aligned_malloc_16(numVertices*sizeof(LLVector4a));
+        mTexCoords = (LLVector2*) ll_aligned_malloc_16(numVertices*sizeof(LLVector2));
+        mDetailTexCoords = (LLVector2*) ll_aligned_malloc_16(numVertices*sizeof(LLVector2));
+        mWeights = (F32*) ll_aligned_malloc_16(numVertices*sizeof(F32));
+        for (i = 0; i < numVertices; i++)
+        {
+			mBaseCoords[i].clear();
+			mBaseNormals[i].clear();
+			mBaseBinormals[i].clear();
+			mTexCoords[i].clear();
+            mWeights[i] = 0.f;
+        }
+        mNumVertices = numVertices;
+        return TRUE;
+}
+
+//-----------------------------------------------------------------------------
+// LLPolyMeshSharedData::allocateFaceData()
+//-----------------------------------------------------------------------------
+BOOL LLPolyMeshSharedData::allocateFaceData( U32 numFaces )
+{
+        mFaces = new LLPolyFace[ numFaces ];
+        mNumFaces = numFaces;
+        mNumTriangleIndices = mNumFaces * 3;
+        return TRUE;
+}
+
+//-----------------------------------------------------------------------------
+// LLPolyMeshSharedData::allocateJointNames()
+//-----------------------------------------------------------------------------
+BOOL LLPolyMeshSharedData::allocateJointNames( U32 numJointNames )
+{
+        mJointNames = new std::string[ numJointNames ];
+        mNumJointNames = numJointNames;
+        return TRUE;
+}
+
+//--------------------------------------------------------------------
+// LLPolyMeshSharedData::loadMesh()
+//--------------------------------------------------------------------
+BOOL LLPolyMeshSharedData::loadMesh( const std::string& fileName )
+{
+        //-------------------------------------------------------------------------
+        // Open the file
+        //-------------------------------------------------------------------------
+        if(fileName.empty())
+        {
+                llerrs << "Filename is Empty!" << llendl;
+                return FALSE;
+        }
+        LLFILE* fp = LLFile::fopen(fileName, "rb");                     /*Flawfinder: ignore*/
+        if (!fp)
+        {
+                llerrs << "can't open: " << fileName << llendl;
+                return FALSE;
+        }
+
+        //-------------------------------------------------------------------------
+        // Read a chunk
+        //-------------------------------------------------------------------------
+        char header[128];               /*Flawfinder: ignore*/
+        if (fread(header, sizeof(char), 128, fp) != 128)
+        {
+                llwarns << "Short read" << llendl;
+        }
+
+        //-------------------------------------------------------------------------
+        // Check for proper binary header
+        //-------------------------------------------------------------------------
+        BOOL status = FALSE;
+        if ( strncmp(header, HEADER_BINARY, strlen(HEADER_BINARY)) == 0 )       /*Flawfinder: ignore*/
+        {
+                lldebugs << "Loading " << fileName << llendl;
+
+                //----------------------------------------------------------------
+                // File Header (seek past it)
+                //----------------------------------------------------------------
+                fseek(fp, 24, SEEK_SET);
+
+                //----------------------------------------------------------------
+                // HasWeights
+                //----------------------------------------------------------------
+                U8 hasWeights;
+                size_t numRead = fread(&hasWeights, sizeof(U8), 1, fp);
+                if (numRead != 1)
+                {
+                        llerrs << "can't read HasWeights flag from " << fileName << llendl;
+                        return FALSE;
+                }
+                if (!isLOD())
+                {
+                        mHasWeights = (hasWeights==0) ? FALSE : TRUE;
+                }
+
+                //----------------------------------------------------------------
+                // HasDetailTexCoords
+                //----------------------------------------------------------------
+                U8 hasDetailTexCoords;
+                numRead = fread(&hasDetailTexCoords, sizeof(U8), 1, fp);
+                if (numRead != 1)
+                {
+                        llerrs << "can't read HasDetailTexCoords flag from " << fileName << llendl;
+                        return FALSE;
+                }
+
+                //----------------------------------------------------------------
+                // Position
+                //----------------------------------------------------------------
+                LLVector3 position;
+                numRead = fread(position.mV, sizeof(float), 3, fp);
+                llendianswizzle(position.mV, sizeof(float), 3);
+                if (numRead != 3)
+                {
+                        llerrs << "can't read Position from " << fileName << llendl;
+                        return FALSE;
+                }
+                setPosition( position );
+
+                //----------------------------------------------------------------
+                // Rotation
+                //----------------------------------------------------------------
+                LLVector3 rotationAngles;
+                numRead = fread(rotationAngles.mV, sizeof(float), 3, fp);
+                llendianswizzle(rotationAngles.mV, sizeof(float), 3);
+                if (numRead != 3)
+                {
+                        llerrs << "can't read RotationAngles from " << fileName << llendl;
+                        return FALSE;
+                }
+
+                U8 rotationOrder;
+                numRead = fread(&rotationOrder, sizeof(U8), 1, fp);
+
+                if (numRead != 1)
+                {
+                        llerrs << "can't read RotationOrder from " << fileName << llendl;
+                        return FALSE;
+                }
+
+                rotationOrder = 0;
+
+                setRotation( mayaQ(     rotationAngles.mV[0],
+                                        rotationAngles.mV[1],
+                                        rotationAngles.mV[2],
+                                        (LLQuaternion::Order)rotationOrder ) );
+
+                //----------------------------------------------------------------
+                // Scale
+                //----------------------------------------------------------------
+                LLVector3 scale;
+                numRead = fread(scale.mV, sizeof(float), 3, fp);
+                llendianswizzle(scale.mV, sizeof(float), 3);
+                if (numRead != 3)
+                {
+                        llerrs << "can't read Scale from " << fileName << llendl;
+                        return FALSE;
+                }
+                setScale( scale );
+
+                //-------------------------------------------------------------------------
+                // Release any existing mesh geometry
+                //-------------------------------------------------------------------------
+                freeMeshData();
+
+                U16 numVertices = 0;
+
+                //----------------------------------------------------------------
+                // NumVertices
+                //----------------------------------------------------------------
+                if (!isLOD())
+                {
+                        numRead = fread(&numVertices, sizeof(U16), 1, fp);
+                        llendianswizzle(&numVertices, sizeof(U16), 1);
+                        if (numRead != 1)
+                        {
+                                llerrs << "can't read NumVertices from " << fileName << llendl;
+                                return FALSE;
+                        }
+
+                        allocateVertexData( numVertices );      
+
+						for (U16 i = 0; i < numVertices; ++i)
+						{
+							//----------------------------------------------------------------
+							// Coords
+							//----------------------------------------------------------------
+							numRead = fread(&mBaseCoords[i], sizeof(float), 3, fp);
+							llendianswizzle(&mBaseCoords[i], sizeof(float), 3);
+							if (numRead != 3)
+							{
+									llerrs << "can't read Coordinates from " << fileName << llendl;
+									return FALSE;
+							}
+						}
+
+						for (U16 i = 0; i < numVertices; ++i)
+						{
+							//----------------------------------------------------------------
+							// Normals
+							//----------------------------------------------------------------
+							numRead = fread(&mBaseNormals[i], sizeof(float), 3, fp);
+							llendianswizzle(&mBaseNormals[i], sizeof(float), 3);
+							if (numRead != 3)
+							{
+									llerrs << " can't read Normals from " << fileName << llendl;
+									return FALSE;
+							}
+						}
+
+						for (U16 i = 0; i < numVertices; ++i)
+						{
+							//----------------------------------------------------------------
+							// Binormals
+							//----------------------------------------------------------------
+							numRead = fread(&mBaseBinormals[i], sizeof(float), 3, fp);
+							llendianswizzle(&mBaseBinormals[i], sizeof(float), 3);
+							if (numRead != 3)
+							{
+									llerrs << " can't read Binormals from " << fileName << llendl;
+									return FALSE;
+							}
+						}
+
+                        //----------------------------------------------------------------
+                        // TexCoords
+                        //----------------------------------------------------------------
+                        numRead = fread(mTexCoords, 2*sizeof(float), numVertices, fp);
+                        llendianswizzle(mTexCoords, sizeof(float), 2*numVertices);
+                        if (numRead != numVertices)
+                        {
+                                llerrs << "can't read TexCoords from " << fileName << llendl;
+                                return FALSE;
+                        }
+
+                        //----------------------------------------------------------------
+                        // DetailTexCoords
+                        //----------------------------------------------------------------
+                        if (mHasDetailTexCoords)
+                        {
+                                numRead = fread(mDetailTexCoords, 2*sizeof(float), numVertices, fp);
+                                llendianswizzle(mDetailTexCoords, sizeof(float), 2*numVertices);
+                                if (numRead != numVertices)
+                                {
+                                        llerrs << "can't read DetailTexCoords from " << fileName << llendl;
+                                        return FALSE;
+                                }
+                        }
+
+                        //----------------------------------------------------------------
+                        // Weights
+                        //----------------------------------------------------------------
+                        if (mHasWeights)
+                        {
+                                numRead = fread(mWeights, sizeof(float), numVertices, fp);
+                                llendianswizzle(mWeights, sizeof(float), numVertices);
+                                if (numRead != numVertices)
+                                {
+                                        llerrs << "can't read Weights from " << fileName << llendl;
+                                        return FALSE;
+                                }
+                        }
+                }
+
+                //----------------------------------------------------------------
+                // NumFaces
+                //----------------------------------------------------------------
+                U16 numFaces;
+                numRead = fread(&numFaces, sizeof(U16), 1, fp);
+                llendianswizzle(&numFaces, sizeof(U16), 1);
+                if (numRead != 1)
+                {
+                        llerrs << "can't read NumFaces from " << fileName << llendl;
+                        return FALSE;
+                }
+                allocateFaceData( numFaces );
+
+
+                //----------------------------------------------------------------
+                // Faces
+                //----------------------------------------------------------------
+                U32 i;
+                U32 numTris = 0;
+                for (i = 0; i < numFaces; i++)
+                {
+                        S16 face[3];
+                        numRead = fread(face, sizeof(U16), 3, fp);
+                        llendianswizzle(face, sizeof(U16), 3);
+                        if (numRead != 3)
+                        {
+                                llerrs << "can't read Face[" << i << "] from " << fileName << llendl;
+                                return FALSE;
+                        }
+                        if (mReferenceData)
+                        {
+                                llassert(face[0] < mReferenceData->mNumVertices);
+                                llassert(face[1] < mReferenceData->mNumVertices);
+                                llassert(face[2] < mReferenceData->mNumVertices);
+                        }
+                        
+                        if (isLOD())
+                        {
+                                // store largest index in case of LODs
+                                for (S32 j = 0; j < 3; j++)
+                                {
+                                        if (face[j] > mNumVertices - 1)
+                                        {
+                                                mNumVertices = face[j] + 1;
+                                        }
+                                }
+                        }
+                        mFaces[i][0] = face[0];
+                        mFaces[i][1] = face[1];
+                        mFaces[i][2] = face[2];
+
+//                      S32 j;
+//                      for(j = 0; j < 3; j++)
+//                      {
+//                              LLDynamicArray<S32> *face_list = mVertFaceMap.getIfThere(face[j]);
+//                              if (!face_list)
+//                              {
+//                                      face_list = new LLDynamicArray<S32>;
+//                                      mVertFaceMap.addData(face[j], face_list);
+//                              }
+//                              face_list->put(i);
+//                      }
+
+                        numTris++;
+                }
+
+                lldebugs << "verts: " << numVertices 
+                         << ", faces: "   << numFaces
+                         << ", tris: "    << numTris
+                         << llendl;
+
+                //----------------------------------------------------------------
+                // NumSkinJoints
+                //----------------------------------------------------------------
+                if (!isLOD())
+                {
+                        U16 numSkinJoints = 0;
+                        if ( mHasWeights )
+                        {
+                                numRead = fread(&numSkinJoints, sizeof(U16), 1, fp);
+                                llendianswizzle(&numSkinJoints, sizeof(U16), 1);
+                                if (numRead != 1)
+                                {
+                                        llerrs << "can't read NumSkinJoints from " << fileName << llendl;
+                                        return FALSE;
+                                }
+                                allocateJointNames( numSkinJoints );
+                        }
+
+                        //----------------------------------------------------------------
+                        // SkinJoints
+                        //----------------------------------------------------------------
+                        for (i=0; i < numSkinJoints; i++)
+                        {
+                                char jointName[64+1];
+                                numRead = fread(jointName, sizeof(jointName)-1, 1, fp);
+                                jointName[sizeof(jointName)-1] = '\0'; // ensure nul-termination
+                                if (numRead != 1)
+                                {
+                                        llerrs << "can't read Skin[" << i << "].Name from " << fileName << llendl;
+                                        return FALSE;
+                                }
+
+                                std::string *jn = &mJointNames[i];
+                                *jn = jointName;
+                        }
+
+                        //-------------------------------------------------------------------------
+                        // look for morph section
+                        //-------------------------------------------------------------------------
+                        char morphName[64+1];
+                        morphName[sizeof(morphName)-1] = '\0'; // ensure nul-termination
+                        while(fread(&morphName, sizeof(char), 64, fp) == 64)
+                        {
+                                if (!strcmp(morphName, "End Morphs"))
+                                {
+                                        // we reached the end of the morphs
+                                        break;
+                                }
+                                LLPolyMorphData* morph_data = new LLPolyMorphData(std::string(morphName));
+
+                                BOOL result = morph_data->loadBinary(fp, this);
+
+                                if (!result)
+                                {
+                                        delete morph_data;
+                                        continue;
+                                }
+
+                                mMorphData.insert(morph_data);
+
+                                if (!strcmp(morphName, "Breast_Female_Cleavage"))
+                                {
+                                        mMorphData.insert(clone_morph_param_cleavage(morph_data,
+                                                                                     .75f,
+                                                                                     "Breast_Physics_LeftRight_Driven"));
+                                }
+
+                                if (!strcmp(morphName, "Breast_Female_Cleavage"))
+                                {
+                                        mMorphData.insert(clone_morph_param_duplicate(morph_data,
+										      "Breast_Physics_InOut_Driven"));
+                                }
+                                if (!strcmp(morphName, "Breast_Gravity"))
+                                {
+                                        mMorphData.insert(clone_morph_param_duplicate(morph_data,
+										      "Breast_Physics_UpDown_Driven"));
+                                }
+
+                                if (!strcmp(morphName, "Big_Belly_Torso"))
+                                {
+                                        mMorphData.insert(clone_morph_param_direction(morph_data,
+										      LLVector3(0,0,0.05f),
+										      "Belly_Physics_Torso_UpDown_Driven"));
+                                }
+
+                                if (!strcmp(morphName, "Big_Belly_Legs"))
+                                {
+                                        mMorphData.insert(clone_morph_param_direction(morph_data,
+										      LLVector3(0,0,0.05f),
+										      "Belly_Physics_Legs_UpDown_Driven"));
+                                }
+
+                                if (!strcmp(morphName, "skirt_belly"))
+                                {
+                                        mMorphData.insert(clone_morph_param_direction(morph_data,
+										      LLVector3(0,0,0.05f),
+										      "Belly_Physics_Skirt_UpDown_Driven"));
+                                }
+
+                                if (!strcmp(morphName, "Small_Butt"))
+                                {
+                                        mMorphData.insert(clone_morph_param_direction(morph_data,
+										      LLVector3(0,0,0.05f),
+										      "Butt_Physics_UpDown_Driven"));
+                                }
+                                if (!strcmp(morphName, "Small_Butt"))
+                                {
+                                        mMorphData.insert(clone_morph_param_direction(morph_data,
+										      LLVector3(0,0.03f,0),
+										      "Butt_Physics_LeftRight_Driven"));
+                                }
+                        }
+
+                        S32 numRemaps;
+                        if (fread(&numRemaps, sizeof(S32), 1, fp) == 1)
+                        {
+                                llendianswizzle(&numRemaps, sizeof(S32), 1);
+                                for (S32 i = 0; i < numRemaps; i++)
+                                {
+                                        S32 remapSrc;
+                                        S32 remapDst;
+                                        if (fread(&remapSrc, sizeof(S32), 1, fp) != 1)
+                                        {
+                                                llerrs << "can't read source vertex in vertex remap data" << llendl;
+                                                break;
+                                        }
+                                        if (fread(&remapDst, sizeof(S32), 1, fp) != 1)
+                                        {
+                                                llerrs << "can't read destination vertex in vertex remap data" << llendl;
+                                                break;
+                                        }
+                                        llendianswizzle(&remapSrc, sizeof(S32), 1);
+                                        llendianswizzle(&remapDst, sizeof(S32), 1);
+
+                                        mSharedVerts[remapSrc] = remapDst;
+                                }
+                        }
+                }
+
+                status = TRUE;
+        }
+        else
+        {
+                llerrs << "invalid mesh file header: " << fileName << llendl;
+                status = FALSE;
+        }
+
+        if (0 == mNumJointNames)
+        {
+                allocateJointNames(1);
+        }
+
+        fclose( fp );
+
+        return status;
+}
+
+//-----------------------------------------------------------------------------
+// getSharedVert()
+//-----------------------------------------------------------------------------
+const S32 *LLPolyMeshSharedData::getSharedVert(S32 vert)
+{
+        if (mSharedVerts.count(vert) > 0)
+        {
+                return &mSharedVerts[vert];
+        }
+        return NULL;
+}
+
+//-----------------------------------------------------------------------------
+// getUV()
+//-----------------------------------------------------------------------------
+const LLVector2 &LLPolyMeshSharedData::getUVs(U32 index)
+{
+        // TODO: convert all index variables to S32
+        llassert((S32)index < mNumVertices);
+
+        return mTexCoords[index];
+}
+
+//-----------------------------------------------------------------------------
+// LLPolyMesh()
+//-----------------------------------------------------------------------------
+LLPolyMesh::LLPolyMesh(LLPolyMeshSharedData *shared_data, LLPolyMesh *reference_mesh)
+{       
+	llassert(shared_data);
+
+	mSharedData = shared_data;
+	mReferenceMesh = reference_mesh;
+	mAvatarp = NULL;
+	mVertexData = NULL;
+
+	mCurVertexCount = 0;
+	mFaceIndexCount = 0;
+	mFaceIndexOffset = 0;
+	mFaceVertexCount = 0;
+	mFaceVertexOffset = 0;
+
+	if (shared_data->isLOD() && reference_mesh)
+	{
+		mCoords = reference_mesh->mCoords;
+		mNormals = reference_mesh->mNormals;
+		mScaledNormals = reference_mesh->mScaledNormals;
+		mBinormals = reference_mesh->mBinormals;
+		mScaledBinormals = reference_mesh->mScaledBinormals;
+		mTexCoords = reference_mesh->mTexCoords;
+		mClothingWeights = reference_mesh->mClothingWeights;
+	}
+	else
+	{
+		// Allocate memory without initializing every vector
+		// NOTE: This makes asusmptions about the size of LLVector[234]
+		S32 nverts = mSharedData->mNumVertices;
+		//make sure it's an even number of verts for alignment
+		nverts += nverts%2;
+		S32 nfloats = nverts * (
+					4 + //coords
+					4 + //normals
+					4 + //weights
+					2 + //coords
+					4 + //scaled normals
+					4 + //binormals
+					4); //scaled binormals
+
+		//use 16 byte aligned vertex data to make LLPolyMesh SSE friendly
+		mVertexData = (F32*) ll_aligned_malloc_16(nfloats*4);
+		S32 offset = 0;
+		mCoords				= 	(LLVector4a*)(mVertexData + offset); offset += 4*nverts;
+		mNormals			=	(LLVector4a*)(mVertexData + offset); offset += 4*nverts;
+		mClothingWeights	= 	(LLVector4a*)(mVertexData + offset); offset += 4*nverts;
+		mTexCoords			= 	(LLVector2*)(mVertexData + offset);  offset += 2*nverts;
+		mScaledNormals		=   (LLVector4a*)(mVertexData + offset); offset += 4*nverts;
+		mBinormals			=   (LLVector4a*)(mVertexData + offset); offset += 4*nverts;
+		mScaledBinormals	=   (LLVector4a*)(mVertexData + offset); offset += 4*nverts; 
+		initializeForMorph();
+	}
+}
+
+
+//-----------------------------------------------------------------------------
+// ~LLPolyMesh()
+//-----------------------------------------------------------------------------
+LLPolyMesh::~LLPolyMesh()
+{
+        S32 i;
+        for (i = 0; i < mJointRenderData.count(); i++)
+        {
+                delete mJointRenderData[i];
+                mJointRenderData[i] = NULL;
+        }
+
+		ll_aligned_free_16(mVertexData);
+
+}
+
+
+//-----------------------------------------------------------------------------
+// LLPolyMesh::getMesh()
+//-----------------------------------------------------------------------------
+LLPolyMesh *LLPolyMesh::getMesh(const std::string &name, LLPolyMesh* reference_mesh)
+{
+        //-------------------------------------------------------------------------
+        // search for an existing mesh by this name
+        //-------------------------------------------------------------------------
+        LLPolyMeshSharedData* meshSharedData = get_if_there(sGlobalSharedMeshList, name, (LLPolyMeshSharedData*)NULL);
+        if (meshSharedData)
+        {
+//              llinfos << "Polymesh " << name << " found in global mesh table." << llendl;
+                LLPolyMesh *poly_mesh = new LLPolyMesh(meshSharedData, reference_mesh);
+                return poly_mesh;
+        }
+
+        //-------------------------------------------------------------------------
+        // if not found, create a new one, add it to the list
+        //-------------------------------------------------------------------------
+        std::string full_path;
+        full_path = gDirUtilp->getExpandedFilename(LL_PATH_CHARACTER,name);
+
+        LLPolyMeshSharedData *mesh_data = new LLPolyMeshSharedData();
+        if (reference_mesh)
+        {
+                mesh_data->setupLOD(reference_mesh->getSharedData());
+        }
+        if ( ! mesh_data->loadMesh( full_path ) )
+        {
+                delete mesh_data;
+                return NULL;
+        }
+
+        LLPolyMesh *poly_mesh = new LLPolyMesh(mesh_data, reference_mesh);
+
+//      llinfos << "Polymesh " << name << " added to global mesh table." << llendl;
+        sGlobalSharedMeshList[name] = poly_mesh->mSharedData;
+
+        return poly_mesh;
+}
+
+//-----------------------------------------------------------------------------
+// LLPolyMesh::freeAllMeshes()
+//-----------------------------------------------------------------------------
+void LLPolyMesh::freeAllMeshes()
+{
+        // delete each item in the global lists
+        for_each(sGlobalSharedMeshList.begin(), sGlobalSharedMeshList.end(), DeletePairedPointer());
+        sGlobalSharedMeshList.clear();
+}
+
+LLPolyMeshSharedData *LLPolyMesh::getSharedData() const
+{
+        return mSharedData;
+}
+
+
+//--------------------------------------------------------------------
+// LLPolyMesh::dumpDiagInfo()
+//--------------------------------------------------------------------
+void LLPolyMesh::dumpDiagInfo()
+{
+        // keep track of totals
+        U32 total_verts = 0;
+        U32 total_faces = 0;
+        U32 total_kb = 0;
+
+        std::string buf;
+
+        llinfos << "-----------------------------------------------------" << llendl;
+        llinfos << "       Global PolyMesh Table (DEBUG only)" << llendl;
+        llinfos << "   Verts    Faces  Mem(KB) Name" << llendl;
+        llinfos << "-----------------------------------------------------" << llendl;
+
+        // print each loaded mesh, and it's memory usage
+        for(LLPolyMeshSharedDataTable::iterator iter = sGlobalSharedMeshList.begin();
+            iter != sGlobalSharedMeshList.end(); ++iter)
+        {
+                const std::string& mesh_name = iter->first;
+                LLPolyMeshSharedData* mesh = iter->second;
+
+                S32 num_verts = mesh->mNumVertices;
+                S32 num_faces = mesh->mNumFaces;
+                U32 num_kb = mesh->getNumKB();
+
+                buf = llformat("%8d %8d %8d %s", num_verts, num_faces, num_kb, mesh_name.c_str());
+                llinfos << buf << llendl;
+
+                total_verts += num_verts;
+                total_faces += num_faces;
+                total_kb += num_kb;
+        }
+
+        llinfos << "-----------------------------------------------------" << llendl;
+        buf = llformat("%8d %8d %8d TOTAL", total_verts, total_faces, total_kb );
+        llinfos << buf << llendl;
+        llinfos << "-----------------------------------------------------" << llendl;
+}
+
+//-----------------------------------------------------------------------------
+// getWritableCoords()
+//-----------------------------------------------------------------------------
+LLVector4a *LLPolyMesh::getWritableCoords()
+{
+        return mCoords;
+}
+
+//-----------------------------------------------------------------------------
+// getWritableNormals()
+//-----------------------------------------------------------------------------
+LLVector4a *LLPolyMesh::getWritableNormals()
+{
+        return mNormals;
+}
+
+//-----------------------------------------------------------------------------
+// getWritableBinormals()
+//-----------------------------------------------------------------------------
+LLVector4a *LLPolyMesh::getWritableBinormals()
+{
+        return mBinormals;
+}
+
+
+//-----------------------------------------------------------------------------
+// getWritableClothingWeights()
+//-----------------------------------------------------------------------------
+LLVector4a       *LLPolyMesh::getWritableClothingWeights()
+{
+        return mClothingWeights;
+}
+
+//-----------------------------------------------------------------------------
+// getWritableTexCoords()
+//-----------------------------------------------------------------------------
+LLVector2       *LLPolyMesh::getWritableTexCoords()
+{
+        return mTexCoords;
+}
+
+//-----------------------------------------------------------------------------
+// getScaledNormals()
+//-----------------------------------------------------------------------------
+LLVector4a *LLPolyMesh::getScaledNormals()
+{
+        return mScaledNormals;
+}
+
+//-----------------------------------------------------------------------------
+// getScaledBinormals()
+//-----------------------------------------------------------------------------
+LLVector4a *LLPolyMesh::getScaledBinormals()
+{
+        return mScaledBinormals;
+}
+
+
+//-----------------------------------------------------------------------------
+// initializeForMorph()
+//-----------------------------------------------------------------------------
+void LLPolyMesh::initializeForMorph()
+{
+    LLVector4a::memcpyNonAliased16((F32*) mCoords, (F32*) mSharedData->mBaseCoords, sizeof(LLVector4a) * mSharedData->mNumVertices);
+	LLVector4a::memcpyNonAliased16((F32*) mNormals, (F32*) mSharedData->mBaseNormals, sizeof(LLVector4a) * mSharedData->mNumVertices);
+	LLVector4a::memcpyNonAliased16((F32*) mScaledNormals, (F32*) mSharedData->mBaseNormals, sizeof(LLVector4a) * mSharedData->mNumVertices);
+	LLVector4a::memcpyNonAliased16((F32*) mBinormals, (F32*) mSharedData->mBaseNormals, sizeof(LLVector4a) * mSharedData->mNumVertices);
+	LLVector4a::memcpyNonAliased16((F32*) mScaledBinormals, (F32*) mSharedData->mBaseNormals, sizeof(LLVector4a) * mSharedData->mNumVertices);
+	LLVector4a::memcpyNonAliased16((F32*) mTexCoords, (F32*) mSharedData->mTexCoords, sizeof(LLVector2) * (mSharedData->mNumVertices + mSharedData->mNumVertices%2));
+
+	for (U32 i = 0; i < mSharedData->mNumVertices; ++i)
+	{
+		mClothingWeights[i].clear();
+	}
+}
+
+//-----------------------------------------------------------------------------
+// getMorphData()
+//-----------------------------------------------------------------------------
+LLPolyMorphData*        LLPolyMesh::getMorphData(const std::string& morph_name)
+{
+        if (!mSharedData)
+                return NULL;
+        for (LLPolyMeshSharedData::morphdata_list_t::iterator iter = mSharedData->mMorphData.begin();
+             iter != mSharedData->mMorphData.end(); ++iter)
+        {
+                LLPolyMorphData *morph_data = *iter;
+                if (morph_data->getName() == morph_name)
+                {
+                        return morph_data;
+                }
+        }
+        return NULL;
+}
+
+//-----------------------------------------------------------------------------
+// removeMorphData()
+//-----------------------------------------------------------------------------
+// // erasing but not deleting seems bad, but fortunately we don't actually use this...
+// void LLPolyMesh::removeMorphData(LLPolyMorphData *morph_target)
+// {
+//      if (!mSharedData)
+//              return;
+//      mSharedData->mMorphData.erase(morph_target);
+// }
+
+//-----------------------------------------------------------------------------
+// deleteAllMorphData()
+//-----------------------------------------------------------------------------
+// void LLPolyMesh::deleteAllMorphData()
+// {
+//      if (!mSharedData)
+//              return;
+
+//      for_each(mSharedData->mMorphData.begin(), mSharedData->mMorphData.end(), DeletePointer());
+//      mSharedData->mMorphData.clear();
+// }
+
+//-----------------------------------------------------------------------------
+// getWritableWeights()
+//-----------------------------------------------------------------------------
+F32*    LLPolyMesh::getWritableWeights() const
+{
+        return mSharedData->mWeights;
+}
+
+// End