Merge in downstream code (chui fixes, materials)

36 files changed, 13301 insertions, 0 deletions

diff --git a/indra/llappearance/CMakeLists.txt b/indra/llappearance/CMakeLists.txt
new file mode 100644
index 0000000000..0dbd58b7cd
--- /dev/null
+++ b/indra/llappearance/CMakeLists.txt
@@ -0,0 +1,118 @@
+# -*- cmake -*-
+
+project(llappearance)
+
+include(00-Common)
+include(LLCommon)
+include(LLCharacter)
+include(LLImage)
+include(LLInventory)
+include(LLMath)
+include(LLMessage)
+include(LLRender)
+include(LLVFS)
+include(LLWindow)
+include(LLXML)
+include(Linking)
+
+include_directories(
+    ${LLCOMMON_INCLUDE_DIRS}
+    ${LLCHARACTER_INCLUDE_DIRS}
+    ${LLIMAGE_INCLUDE_DIRS}
+    ${LLINVENTORY_INCLUDE_DIRS}
+    ${LLMATH_INCLUDE_DIRS}
+    ${LLRENDER_INCLUDE_DIRS}
+    ${LLVFS_INCLUDE_DIRS}
+    ${LLWINDOW_INCLUDE_DIRS}
+    ${LLXML_INCLUDE_DIRS}
+    )
+
+set(llappearance_SOURCE_FILES
+    llavatarappearance.cpp
+    llavatarjoint.cpp
+    llavatarjointmesh.cpp
+    lldriverparam.cpp
+    lllocaltextureobject.cpp
+    llpolyskeletaldistortion.cpp
+    llpolymesh.cpp
+    llpolymorph.cpp
+    lltexglobalcolor.cpp
+    lltexlayer.cpp
+    lltexlayerparams.cpp
+    lltexturemanagerbridge.cpp
+    llwearable.cpp
+    llwearabledata.cpp
+    llwearabletype.cpp
+    llviewervisualparam.cpp
+    llavatarappearancedefines.cpp
+    )
+    
+set(llappearance_HEADER_FILES
+    CMakeLists.txt
+
+    llavatarappearance.h
+    llavatarjoint.h
+    llavatarjointmesh.h
+    lldriverparam.h
+    lljointpickname.h
+    lllocaltextureobject.h
+    llpolyskeletaldistortion.h
+    llpolymesh.h
+    llpolymorph.h
+    lltexglobalcolor.h
+    lltexlayer.h
+    lltexlayerparams.h
+    lltexturemanagerbridge.h
+    llwearable.h
+    llwearabledata.h
+    llwearabletype.h
+    llviewervisualparam.h
+    llavatarappearancedefines.h
+    )
+
+set_source_files_properties(${llappearance_HEADER_FILES}
+                            PROPERTIES HEADER_FILE_ONLY TRUE)
+
+list(APPEND llappearance_SOURCE_FILES ${llappearance_HEADER_FILES})
+
+add_library (llappearance ${llappearance_SOURCE_FILES})
+
+target_link_libraries(llappearance
+    ${LLCHARACTER_LIBRARIES}
+    ${LLINVENTORY_LIBRARIES}
+    ${LLIMAGE_LIBRARIES}
+    ${LLRENDER_LIBRARIES}
+    ${LLVFS_LIBRARIES}
+    ${LLMATH_LIBRARIES}
+    ${LLXML_LIBRARIES}
+    ${LLMATH_LIBRARIES}
+    ${LLCOMMON_LIBRARIES}
+    )
+
+if (BUILD_HEADLESS)
+  add_library (llappearanceheadless ${llappearance_SOURCE_FILES})
+  
+  target_link_libraries(llappearanceheadless
+      ${LLCHARACTER_LIBRARIES}
+      ${LLINVENTORY_LIBRARIES}
+      ${LLIMAGE_LIBRARIES}
+      ${LLRENDERHEADLESS_LIBRARIES}
+      ${LLVFS_LIBRARIES}
+      ${LLMATH_LIBRARIES}
+      ${LLXML_LIBRARIES}
+      ${LLMATH_LIBRARIES}
+      ${LLCOMMON_LIBRARIES}
+      )
+endif (BUILD_HEADLESS)
+
+#add unit tests
+#if (LL_TESTS)
+#    INCLUDE(LLAddBuildTest)
+#    SET(llappearance_TEST_SOURCE_FILES
+#      # no real unit tests yet!
+#      )
+#    LL_ADD_PROJECT_UNIT_TESTS(llappearance "${llappearance_TEST_SOURCE_FILES}")
+
+    #set(TEST_DEBUG on)
+#    set(test_libs llappearance ${LLCOMMON_LIBRARIES})
+#endif (LL_TESTS)
diff --git a/indra/llappearance/llavatarappearance.cpp b/indra/llappearance/llavatarappearance.cpp
new file mode 100644
index 0000000000..3bb759d458
--- /dev/null
+++ b/indra/llappearance/llavatarappearance.cpp
@@ -0,0 +1,1953 @@
+/** 
+ * @File llavatarappearance.cpp
+ * @brief Implementation of LLAvatarAppearance class
+ *
+ * $LicenseInfo:firstyear=2012&license=viewerlgpl$
+ * 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
+ * $/LicenseInfo$
+ */
+
+#if LL_MSVC
+// disable warning about boost::lexical_cast returning uninitialized data
+// when it fails to parse the string
+#pragma warning (disable:4701)
+#endif
+
+#include "linden_common.h"
+
+#include "llavatarappearance.h"
+#include "llavatarappearancedefines.h"
+#include "llavatarjointmesh.h"
+#include "imageids.h"
+#include "lldir.h"
+#include "lldeleteutils.h"
+#include "llpolymorph.h"
+#include "llpolymesh.h"
+#include "llpolyskeletaldistortion.h"
+#include "llstl.h"
+#include "lltexglobalcolor.h"
+#include "llwearabledata.h"
+
+
+#if LL_MSVC
+// disable boost::lexical_cast warning
+#pragma warning (disable:4702)
+#endif
+
+#include <boost/lexical_cast.hpp>
+
+using namespace LLAvatarAppearanceDefines;
+
+//-----------------------------------------------------------------------------
+// Constants
+//-----------------------------------------------------------------------------
+
+const std::string AVATAR_DEFAULT_CHAR = "avatar";
+const LLColor4 DUMMY_COLOR = LLColor4(0.5,0.5,0.5,1.0);
+
+/*********************************************************************************
+ **                                                                             **
+ ** Begin private LLAvatarAppearance Support classes
+ **
+ **/
+
+//------------------------------------------------------------------------
+// LLAvatarBoneInfo
+// Trans/Scale/Rot etc. info about each avatar bone.  Used by LLVOAvatarSkeleton.
+//------------------------------------------------------------------------
+class LLAvatarBoneInfo
+{
+	friend class LLAvatarAppearance;
+	friend class LLAvatarSkeletonInfo;
+public:
+	LLAvatarBoneInfo() : mIsJoint(FALSE) {}
+	~LLAvatarBoneInfo()
+	{
+		std::for_each(mChildList.begin(), mChildList.end(), DeletePointer());
+	}
+	BOOL parseXml(LLXmlTreeNode* node);
+	
+private:
+	std::string mName;
+	BOOL mIsJoint;
+	LLVector3 mPos;
+	LLVector3 mRot;
+	LLVector3 mScale;
+	LLVector3 mPivot;
+	typedef std::vector<LLAvatarBoneInfo*> child_list_t;
+	child_list_t mChildList;
+};
+
+//------------------------------------------------------------------------
+// LLAvatarSkeletonInfo
+// Overall avatar skeleton
+//------------------------------------------------------------------------
+class LLAvatarSkeletonInfo
+{
+	friend class LLAvatarAppearance;
+public:
+	LLAvatarSkeletonInfo() :
+		mNumBones(0), mNumCollisionVolumes(0) {}
+	~LLAvatarSkeletonInfo()
+	{
+		std::for_each(mBoneInfoList.begin(), mBoneInfoList.end(), DeletePointer());
+	}
+	BOOL parseXml(LLXmlTreeNode* node);
+	S32 getNumBones() const { return mNumBones; }
+	S32 getNumCollisionVolumes() const { return mNumCollisionVolumes; }
+	
+private:
+	S32 mNumBones;
+	S32 mNumCollisionVolumes;
+	typedef std::vector<LLAvatarBoneInfo*> bone_info_list_t;
+	bone_info_list_t mBoneInfoList;
+};
+
+//-----------------------------------------------------------------------------
+// LLAvatarXmlInfo
+//-----------------------------------------------------------------------------
+
+LLAvatarAppearance::LLAvatarXmlInfo::LLAvatarXmlInfo()
+	: mTexSkinColorInfo(0), mTexHairColorInfo(0), mTexEyeColorInfo(0)
+{
+}
+
+LLAvatarAppearance::LLAvatarXmlInfo::~LLAvatarXmlInfo()
+{
+	std::for_each(mMeshInfoList.begin(), mMeshInfoList.end(), DeletePointer());
+	std::for_each(mSkeletalDistortionInfoList.begin(), mSkeletalDistortionInfoList.end(), DeletePointer());		
+	std::for_each(mAttachmentInfoList.begin(), mAttachmentInfoList.end(), DeletePointer());
+	deleteAndClear(mTexSkinColorInfo);
+	deleteAndClear(mTexHairColorInfo);
+	deleteAndClear(mTexEyeColorInfo);
+	std::for_each(mLayerInfoList.begin(), mLayerInfoList.end(), DeletePointer());		
+	std::for_each(mDriverInfoList.begin(), mDriverInfoList.end(), DeletePointer());
+	std::for_each(mMorphMaskInfoList.begin(), mMorphMaskInfoList.end(), DeletePointer());
+}
+
+
+/**
+ **
+ ** End LLAvatarAppearance Support classes
+ **                                                                             **
+ *********************************************************************************/
+
+//-----------------------------------------------------------------------------
+// Static Data
+//-----------------------------------------------------------------------------
+LLXmlTree LLAvatarAppearance::sXMLTree;
+LLXmlTree LLAvatarAppearance::sSkeletonXMLTree;
+LLAvatarSkeletonInfo* LLAvatarAppearance::sAvatarSkeletonInfo = NULL;
+LLAvatarAppearance::LLAvatarXmlInfo* LLAvatarAppearance::sAvatarXmlInfo = NULL;
+
+
+LLAvatarAppearance::LLAvatarAppearance(LLWearableData* wearable_data) :
+	LLCharacter(),
+	mIsDummy(FALSE),
+	mTexSkinColor( NULL ),
+	mTexHairColor( NULL ),
+	mTexEyeColor( NULL ),
+	mPelvisToFoot(0.f),
+	mHeadOffset(),
+	mRoot(NULL),
+	mWearableData(wearable_data)
+{
+	llassert_always(mWearableData);
+	mBakedTextureDatas.resize(LLAvatarAppearanceDefines::BAKED_NUM_INDICES);
+	for (U32 i = 0; i < mBakedTextureDatas.size(); i++ )
+	{
+		mBakedTextureDatas[i].mLastTextureID = IMG_DEFAULT_AVATAR;
+		mBakedTextureDatas[i].mTexLayerSet = NULL;
+		mBakedTextureDatas[i].mIsLoaded = false;
+		mBakedTextureDatas[i].mIsUsed = false;
+		mBakedTextureDatas[i].mMaskTexName = 0;
+		mBakedTextureDatas[i].mTextureIndex = LLAvatarAppearanceDefines::LLAvatarAppearanceDictionary::bakedToLocalTextureIndex((LLAvatarAppearanceDefines::EBakedTextureIndex)i);
+	}
+
+	mIsBuilt = FALSE;
+
+	mNumCollisionVolumes = 0;
+	mCollisionVolumes = NULL;
+}
+
+// virtual
+void LLAvatarAppearance::initInstance()
+{
+	//-------------------------------------------------------------------------
+	// initialize joint, mesh and shape members
+	//-------------------------------------------------------------------------
+	mRoot = createAvatarJoint();
+	mRoot->setName( "mRoot" );
+
+	for (LLAvatarAppearanceDictionary::MeshEntries::const_iterator iter = LLAvatarAppearanceDictionary::getInstance()->getMeshEntries().begin();
+		 iter != LLAvatarAppearanceDictionary::getInstance()->getMeshEntries().end();
+		 ++iter)
+	{
+		const EMeshIndex mesh_index = iter->first;
+		const LLAvatarAppearanceDictionary::MeshEntry *mesh_dict = iter->second;
+		LLAvatarJoint* joint = createAvatarJoint();
+		joint->setName(mesh_dict->mName);
+		joint->setMeshID(mesh_index);
+		mMeshLOD.push_back(joint);
+		
+		/* mHairLOD.setName("mHairLOD");
+		   mHairMesh0.setName("mHairMesh0");
+		   mHairMesh0.setMeshID(MESH_ID_HAIR);
+		   mHairMesh1.setName("mHairMesh1"); */
+		for (U32 lod = 0; lod < mesh_dict->mLOD; lod++)
+		{
+			LLAvatarJointMesh* mesh = createAvatarJointMesh();
+			std::string mesh_name = "m" + mesh_dict->mName + boost::lexical_cast<std::string>(lod);
+			// We pre-pended an m - need to capitalize first character for camelCase
+			mesh_name[1] = toupper(mesh_name[1]);
+			mesh->setName(mesh_name);
+			mesh->setMeshID(mesh_index);
+			mesh->setPickName(mesh_dict->mPickName);
+			mesh->setIsTransparent(FALSE);
+			switch((int)mesh_index)
+			{
+				case MESH_ID_HAIR:
+					mesh->setIsTransparent(TRUE);
+					break;
+				case MESH_ID_SKIRT:
+					mesh->setIsTransparent(TRUE);
+					break;
+				case MESH_ID_EYEBALL_LEFT:
+				case MESH_ID_EYEBALL_RIGHT:
+					mesh->setSpecular( LLColor4( 1.0f, 1.0f, 1.0f, 1.0f ), 1.f );
+					break;
+			}
+			
+			joint->mMeshParts.push_back(mesh);
+		}
+	}
+
+	//-------------------------------------------------------------------------
+	// associate baked textures with meshes
+	//-------------------------------------------------------------------------
+	for (LLAvatarAppearanceDictionary::MeshEntries::const_iterator iter = LLAvatarAppearanceDictionary::getInstance()->getMeshEntries().begin();
+		 iter != LLAvatarAppearanceDictionary::getInstance()->getMeshEntries().end();
+		 ++iter)
+	{
+		const EMeshIndex mesh_index = iter->first;
+		const LLAvatarAppearanceDictionary::MeshEntry *mesh_dict = iter->second;
+		const EBakedTextureIndex baked_texture_index = mesh_dict->mBakedID;
+		// Skip it if there's no associated baked texture.
+		if (baked_texture_index == BAKED_NUM_INDICES) continue;
+		
+		for (avatar_joint_mesh_list_t::iterator iter = mMeshLOD[mesh_index]->mMeshParts.begin();
+			 iter != mMeshLOD[mesh_index]->mMeshParts.end(); 
+			 ++iter)
+		{
+			LLAvatarJointMesh* mesh = (*iter);
+			mBakedTextureDatas[(int)baked_texture_index].mJointMeshes.push_back(mesh);
+		}
+	}
+
+	buildCharacter();
+
+}
+
+// virtual
+LLAvatarAppearance::~LLAvatarAppearance()
+{
+	deleteAndClear(mTexSkinColor);
+	deleteAndClear(mTexHairColor);
+	deleteAndClear(mTexEyeColor);
+
+	for (U32 i = 0; i < mBakedTextureDatas.size(); i++)
+	{
+		deleteAndClear(mBakedTextureDatas[i].mTexLayerSet);
+		mBakedTextureDatas[i].mJointMeshes.clear();
+
+		for (morph_list_t::iterator iter2 = mBakedTextureDatas[i].mMaskedMorphs.begin();
+			 iter2 != mBakedTextureDatas[i].mMaskedMorphs.end(); iter2++)
+		{
+			LLMaskedMorph* masked_morph = (*iter2);
+			delete masked_morph;
+		}
+	}
+
+	if (mRoot) mRoot->removeAllChildren();
+	mJointMap.clear();
+
+	clearSkeleton();
+	deleteAndClearArray(mCollisionVolumes);
+
+	deleteAndClear(mTexSkinColor);
+	deleteAndClear(mTexHairColor);
+	deleteAndClear(mTexEyeColor);
+
+	std::for_each(mPolyMeshes.begin(), mPolyMeshes.end(), DeletePairedPointer());
+	mPolyMeshes.clear();
+
+	for (avatar_joint_list_t::iterator jointIter = mMeshLOD.begin();
+		 jointIter != mMeshLOD.end(); 
+		 ++jointIter)
+	{
+		LLAvatarJoint* joint = *jointIter;
+		std::for_each(joint->mMeshParts.begin(), joint->mMeshParts.end(), DeletePointer());
+		joint->mMeshParts.clear();
+	}
+	std::for_each(mMeshLOD.begin(), mMeshLOD.end(), DeletePointer());
+	mMeshLOD.clear();
+}
+
+//static
+void LLAvatarAppearance::initClass()
+{
+	std::string xmlFile;
+
+	xmlFile = gDirUtilp->getExpandedFilename(LL_PATH_CHARACTER,AVATAR_DEFAULT_CHAR) + "_lad.xml";
+	BOOL success = sXMLTree.parseFile( xmlFile, FALSE );
+	if (!success)
+	{
+		llerrs << "Problem reading avatar configuration file:" << xmlFile << llendl;
+	}
+
+	// now sanity check xml file
+	LLXmlTreeNode* root = sXMLTree.getRoot();
+	if (!root) 
+	{
+		llerrs << "No root node found in avatar configuration file: " << xmlFile << llendl;
+		return;
+	}
+
+	//-------------------------------------------------------------------------
+	// <linden_avatar version="1.0"> (root)
+	//-------------------------------------------------------------------------
+	if( !root->hasName( "linden_avatar" ) )
+	{
+		llerrs << "Invalid avatar file header: " << xmlFile << llendl;
+	}
+	
+	std::string version;
+	static LLStdStringHandle version_string = LLXmlTree::addAttributeString("version");
+	if( !root->getFastAttributeString( version_string, version ) || (version != "1.0") )
+	{
+		llerrs << "Invalid avatar file version: " << version << " in file: " << xmlFile << llendl;
+	}
+
+	S32 wearable_def_version = 1;
+	static LLStdStringHandle wearable_definition_version_string = LLXmlTree::addAttributeString("wearable_definition_version");
+	root->getFastAttributeS32( wearable_definition_version_string, wearable_def_version );
+	LLWearable::setCurrentDefinitionVersion( wearable_def_version );
+
+	std::string mesh_file_name;
+
+	LLXmlTreeNode* skeleton_node = root->getChildByName( "skeleton" );
+	if (!skeleton_node)
+	{
+		llerrs << "No skeleton in avatar configuration file: " << xmlFile << llendl;
+		return;
+	}
+	
+	std::string skeleton_file_name;
+	static LLStdStringHandle file_name_string = LLXmlTree::addAttributeString("file_name");
+	if (!skeleton_node->getFastAttributeString(file_name_string, skeleton_file_name))
+	{
+		llerrs << "No file name in skeleton node in avatar config file: " << xmlFile << llendl;
+	}
+	
+	std::string skeleton_path;
+	skeleton_path = gDirUtilp->getExpandedFilename(LL_PATH_CHARACTER,skeleton_file_name);
+	if (!parseSkeletonFile(skeleton_path))
+	{
+		llerrs << "Error parsing skeleton file: " << skeleton_path << llendl;
+	}
+
+	// Process XML data
+
+	// avatar_skeleton.xml
+	if (sAvatarSkeletonInfo)
+	{ //this can happen if a login attempt failed
+		delete sAvatarSkeletonInfo;
+	}
+	sAvatarSkeletonInfo = new LLAvatarSkeletonInfo;
+	if (!sAvatarSkeletonInfo->parseXml(sSkeletonXMLTree.getRoot()))
+	{
+		llerrs << "Error parsing skeleton XML file: " << skeleton_path << llendl;
+	}
+	// parse avatar_lad.xml
+	if (sAvatarXmlInfo)
+	{ //this can happen if a login attempt failed
+		deleteAndClear(sAvatarXmlInfo);
+	}
+	sAvatarXmlInfo = new LLAvatarXmlInfo;
+	if (!sAvatarXmlInfo->parseXmlSkeletonNode(root))
+	{
+		llerrs << "Error parsing skeleton node in avatar XML file: " << skeleton_path << llendl;
+	}
+	if (!sAvatarXmlInfo->parseXmlMeshNodes(root))
+	{
+		llerrs << "Error parsing skeleton node in avatar XML file: " << skeleton_path << llendl;
+	}
+	if (!sAvatarXmlInfo->parseXmlColorNodes(root))
+	{
+		llerrs << "Error parsing skeleton node in avatar XML file: " << skeleton_path << llendl;
+	}
+	if (!sAvatarXmlInfo->parseXmlLayerNodes(root))
+	{
+		llerrs << "Error parsing skeleton node in avatar XML file: " << skeleton_path << llendl;
+	}
+	if (!sAvatarXmlInfo->parseXmlDriverNodes(root))
+	{
+		llerrs << "Error parsing skeleton node in avatar XML file: " << skeleton_path << llendl;
+	}
+	if (!sAvatarXmlInfo->parseXmlMorphNodes(root))
+	{
+		llerrs << "Error parsing skeleton node in avatar XML file: " << skeleton_path << llendl;
+	}
+}
+
+void LLAvatarAppearance::cleanupClass()
+{
+	deleteAndClear(sAvatarXmlInfo);
+	// *TODO: What about sAvatarSkeletonInfo ???
+	sSkeletonXMLTree.cleanup();
+	sXMLTree.cleanup();
+}
+
+using namespace LLAvatarAppearanceDefines;
+
+//------------------------------------------------------------------------
+// The viewer can only suggest a good size for the agent,
+// the simulator will keep it inside a reasonable range.
+void LLAvatarAppearance::computeBodySize() 
+{
+	LLVector3 pelvis_scale = mPelvisp->getScale();
+
+	// some of the joints have not been cached
+	LLVector3 skull = mSkullp->getPosition();
+	//LLVector3 skull_scale = mSkullp->getScale();
+
+	LLVector3 neck = mNeckp->getPosition();
+	LLVector3 neck_scale = mNeckp->getScale();
+
+	LLVector3 chest = mChestp->getPosition();
+	LLVector3 chest_scale = mChestp->getScale();
+
+	// the rest of the joints have been cached
+	LLVector3 head = mHeadp->getPosition();
+	LLVector3 head_scale = mHeadp->getScale();
+
+	LLVector3 torso = mTorsop->getPosition();
+	LLVector3 torso_scale = mTorsop->getScale();
+
+	LLVector3 hip = mHipLeftp->getPosition();
+	LLVector3 hip_scale = mHipLeftp->getScale();
+
+	LLVector3 knee = mKneeLeftp->getPosition();
+	LLVector3 knee_scale = mKneeLeftp->getScale();
+
+	LLVector3 ankle = mAnkleLeftp->getPosition();
+	LLVector3 ankle_scale = mAnkleLeftp->getScale();
+
+	LLVector3 foot  = mFootLeftp->getPosition();
+
+	F32 old_offset = mAvatarOffset.mV[VZ];
+
+	mAvatarOffset.mV[VZ] = getVisualParamWeight(AVATAR_HOVER);
+
+	mPelvisToFoot = hip.mV[VZ] * pelvis_scale.mV[VZ] -
+				 	knee.mV[VZ] * hip_scale.mV[VZ] -
+				 	ankle.mV[VZ] * knee_scale.mV[VZ] -
+				 	foot.mV[VZ] * ankle_scale.mV[VZ];
+
+	LLVector3 new_body_size;
+	new_body_size.mV[VZ] = mPelvisToFoot +
+					   // the sqrt(2) correction below is an approximate
+					   // correction to get to the top of the head
+					   F_SQRT2 * (skull.mV[VZ] * head_scale.mV[VZ]) + 
+					   head.mV[VZ] * neck_scale.mV[VZ] + 
+					   neck.mV[VZ] * chest_scale.mV[VZ] + 
+					   chest.mV[VZ] * torso_scale.mV[VZ] + 
+					   torso.mV[VZ] * pelvis_scale.mV[VZ]; 
+
+	// TODO -- measure the real depth and width
+	new_body_size.mV[VX] = DEFAULT_AGENT_DEPTH;
+	new_body_size.mV[VY] = DEFAULT_AGENT_WIDTH;
+
+	mAvatarOffset.mV[VX] = 0.0f;
+	mAvatarOffset.mV[VY] = 0.0f;
+
+	// Certain configurations of avatars can force the overall height (with offset) to go negative.
+	// Enforce a constraint to make sure we don't go below 0.1 meters.
+	// Camera positioning and other things start to break down when your avatar is "walking" while being fully underground
+	if (new_body_size.mV[VZ] + mAvatarOffset.mV[VZ] < 0.1f) 
+	{
+		mAvatarOffset.mV[VZ] = -(new_body_size.mV[VZ] - 0.11f); // avoid floating point rounding making the above check continue to fail.
+
+		llassert(new_body_size.mV[VZ] + mAvatarOffset.mV[VZ] >= 0.1f);
+
+		if (mWearableData && isSelf()) 
+		{
+			LLWearable* shape = mWearableData->getWearable(LLWearableType::WT_SHAPE, 0);
+			if (shape) 
+			{
+				shape->setVisualParamWeight(AVATAR_HOVER, mAvatarOffset.mV[VZ], false);
+			}
+		}
+	}
+
+	if (new_body_size != mBodySize || old_offset != mAvatarOffset.mV[VZ])
+	{
+		mBodySize = new_body_size;
+		bodySizeChanged();
+	}
+}
+
+//-----------------------------------------------------------------------------
+// parseSkeletonFile()
+//-----------------------------------------------------------------------------
+BOOL LLAvatarAppearance::parseSkeletonFile(const std::string& filename)
+{
+	//-------------------------------------------------------------------------
+	// parse the file
+	//-------------------------------------------------------------------------
+	BOOL parsesuccess = sSkeletonXMLTree.parseFile( filename, FALSE );
+
+	if (!parsesuccess)
+	{
+		llerrs << "Can't parse skeleton file: " << filename << llendl;
+		return FALSE;
+	}
+
+	// now sanity check xml file
+	LLXmlTreeNode* root = sSkeletonXMLTree.getRoot();
+	if (!root) 
+	{
+		llerrs << "No root node found in avatar skeleton file: " << filename << llendl;
+		return FALSE;
+	}
+
+	if( !root->hasName( "linden_skeleton" ) )
+	{
+		llerrs << "Invalid avatar skeleton file header: " << filename << llendl;
+		return FALSE;
+	}
+
+	std::string version;
+	static LLStdStringHandle version_string = LLXmlTree::addAttributeString("version");
+	if( !root->getFastAttributeString( version_string, version ) || (version != "1.0") )
+	{
+		llerrs << "Invalid avatar skeleton file version: " << version << " in file: " << filename << llendl;
+		return FALSE;
+	}
+
+	return TRUE;
+}
+
+//-----------------------------------------------------------------------------
+// setupBone()
+//-----------------------------------------------------------------------------
+BOOL LLAvatarAppearance::setupBone(const LLAvatarBoneInfo* info, LLJoint* parent, S32 &volume_num, S32 &joint_num)
+{
+	LLJoint* joint = NULL;
+
+	if (info->mIsJoint)
+	{
+		joint = getCharacterJoint(joint_num);
+		if (!joint)
+		{
+			llwarns << "Too many bones" << llendl;
+			return FALSE;
+		}
+		joint->setName( info->mName );
+	}
+	else // collision volume
+	{
+		if (volume_num >= (S32)mNumCollisionVolumes)
+		{
+			llwarns << "Too many bones" << llendl;
+			return FALSE;
+		}
+		joint = (&mCollisionVolumes[volume_num]);
+		joint->setName( info->mName );
+	}
+
+	// add to parent
+	if (parent)
+	{
+		parent->addChild( joint );
+	}
+
+	joint->setPosition(info->mPos);
+	joint->setRotation(mayaQ(info->mRot.mV[VX], info->mRot.mV[VY],
+							 info->mRot.mV[VZ], LLQuaternion::XYZ));
+	joint->setScale(info->mScale);
+
+	joint->setDefaultFromCurrentXform();
+	
+	if (info->mIsJoint)
+	{
+		joint->setSkinOffset( info->mPivot );
+		joint_num++;
+	}
+	else // collision volume
+	{
+		volume_num++;
+	}
+
+	// setup children
+	LLAvatarBoneInfo::child_list_t::const_iterator iter;
+	for (iter = info->mChildList.begin(); iter != info->mChildList.end(); ++iter)
+	{
+		LLAvatarBoneInfo *child_info = *iter;
+		if (!setupBone(child_info, joint, volume_num, joint_num))
+		{
+			return FALSE;
+		}
+	}
+
+	return TRUE;
+}
+
+//-----------------------------------------------------------------------------
+// allocateCharacterJoints()
+//-----------------------------------------------------------------------------
+BOOL LLAvatarAppearance::allocateCharacterJoints( U32 num )
+{
+	clearSkeleton();
+
+	for(S32 joint_num = 0; joint_num < (S32)num; joint_num++)
+	{
+		mSkeleton.push_back(createAvatarJoint(joint_num));
+	}
+
+	return TRUE;
+}
+
+
+//-----------------------------------------------------------------------------
+// buildSkeleton()
+//-----------------------------------------------------------------------------
+BOOL LLAvatarAppearance::buildSkeleton(const LLAvatarSkeletonInfo *info)
+{
+	//-------------------------------------------------------------------------
+	// allocate joints
+	//-------------------------------------------------------------------------
+	if (!allocateCharacterJoints(info->mNumBones))
+	{
+		llerrs << "Can't allocate " << info->mNumBones << " joints" << llendl;
+		return FALSE;
+	}
+	
+	//-------------------------------------------------------------------------
+	// allocate volumes
+	//-------------------------------------------------------------------------
+	if (info->mNumCollisionVolumes)
+	{
+		if (!allocateCollisionVolumes(info->mNumCollisionVolumes))
+		{
+			llerrs << "Can't allocate " << info->mNumCollisionVolumes << " collision volumes" << llendl;
+			return FALSE;
+		}
+	}
+
+	S32 current_joint_num = 0;
+	S32 current_volume_num = 0;
+	LLAvatarSkeletonInfo::bone_info_list_t::const_iterator iter;
+	for (iter = info->mBoneInfoList.begin(); iter != info->mBoneInfoList.end(); ++iter)
+	{
+		LLAvatarBoneInfo *info = *iter;
+		if (!setupBone(info, NULL, current_volume_num, current_joint_num))
+		{
+			llerrs << "Error parsing bone in skeleton file" << llendl;
+			return FALSE;
+		}
+	}
+
+	return TRUE;
+}
+
+//-----------------------------------------------------------------------------
+// clearSkeleton()
+//-----------------------------------------------------------------------------
+void LLAvatarAppearance::clearSkeleton()
+{
+	std::for_each(mSkeleton.begin(), mSkeleton.end(), DeletePointer());
+	mSkeleton.clear();
+}
+
+//-----------------------------------------------------------------------------
+// LLAvatarAppearance::buildCharacter()
+// Deferred initialization and rebuild of the avatar.
+//-----------------------------------------------------------------------------
+void LLAvatarAppearance::buildCharacter()
+{
+	//-------------------------------------------------------------------------
+	// remove all references to our existing skeleton
+	// so we can rebuild it
+	//-------------------------------------------------------------------------
+	flushAllMotions();
+
+	//-------------------------------------------------------------------------
+	// remove all of mRoot's children
+	//-------------------------------------------------------------------------
+	mRoot->removeAllChildren();
+	mJointMap.clear();
+	mIsBuilt = FALSE;
+
+	//-------------------------------------------------------------------------
+	// clear mesh data
+	//-------------------------------------------------------------------------
+	for (avatar_joint_list_t::iterator jointIter = mMeshLOD.begin();
+		 jointIter != mMeshLOD.end(); ++jointIter)
+	{
+		LLAvatarJoint* joint = *jointIter;
+		for (avatar_joint_mesh_list_t::iterator meshIter = joint->mMeshParts.begin();
+			 meshIter != joint->mMeshParts.end(); ++meshIter)
+		{
+			LLAvatarJointMesh * mesh = *meshIter;
+			mesh->setMesh(NULL);
+		}
+	}
+
+	//-------------------------------------------------------------------------
+	// (re)load our skeleton and meshes
+	//-------------------------------------------------------------------------
+	LLTimer timer;
+
+	BOOL status = loadAvatar();
+	stop_glerror();
+
+// 	gPrintMessagesThisFrame = TRUE;
+	lldebugs << "Avatar load took " << timer.getElapsedTimeF32() << " seconds." << llendl;
+
+	if (!status)
+	{
+		if (isSelf())
+		{
+			llerrs << "Unable to load user's avatar" << llendl;
+		}
+		else
+		{
+			llwarns << "Unable to load other's avatar" << llendl;
+		}
+		return;
+	}
+
+	//-------------------------------------------------------------------------
+	// initialize "well known" joint pointers
+	//-------------------------------------------------------------------------
+	mPelvisp		= mRoot->findJoint("mPelvis");
+	mTorsop			= mRoot->findJoint("mTorso");
+	mChestp			= mRoot->findJoint("mChest");
+	mNeckp			= mRoot->findJoint("mNeck");
+	mHeadp			= mRoot->findJoint("mHead");
+	mSkullp			= mRoot->findJoint("mSkull");
+	mHipLeftp		= mRoot->findJoint("mHipLeft");
+	mHipRightp		= mRoot->findJoint("mHipRight");
+	mKneeLeftp		= mRoot->findJoint("mKneeLeft");
+	mKneeRightp		= mRoot->findJoint("mKneeRight");
+	mAnkleLeftp		= mRoot->findJoint("mAnkleLeft");
+	mAnkleRightp	= mRoot->findJoint("mAnkleRight");
+	mFootLeftp		= mRoot->findJoint("mFootLeft");
+	mFootRightp		= mRoot->findJoint("mFootRight");
+	mWristLeftp		= mRoot->findJoint("mWristLeft");
+	mWristRightp	= mRoot->findJoint("mWristRight");
+	mEyeLeftp		= mRoot->findJoint("mEyeLeft");
+	mEyeRightp		= mRoot->findJoint("mEyeRight");
+
+	//-------------------------------------------------------------------------
+	// Make sure "well known" pointers exist
+	//-------------------------------------------------------------------------
+	if (!(mPelvisp && 
+		  mTorsop &&
+		  mChestp &&
+		  mNeckp &&
+		  mHeadp &&
+		  mSkullp &&
+		  mHipLeftp &&
+		  mHipRightp &&
+		  mKneeLeftp &&
+		  mKneeRightp &&
+		  mAnkleLeftp &&
+		  mAnkleRightp &&
+		  mFootLeftp &&
+		  mFootRightp &&
+		  mWristLeftp &&
+		  mWristRightp &&
+		  mEyeLeftp &&
+		  mEyeRightp))
+	{
+		llerrs << "Failed to create avatar." << llendl;
+		return;
+	}
+
+	//-------------------------------------------------------------------------
+	// initialize the pelvis
+	//-------------------------------------------------------------------------
+	mPelvisp->setPosition( LLVector3(0.0f, 0.0f, 0.0f) );
+
+	mIsBuilt = TRUE;
+	stop_glerror();
+
+}
+
+BOOL LLAvatarAppearance::loadAvatar()
+{
+// 	LLFastTimer t(FTM_LOAD_AVATAR);
+	
+	// avatar_skeleton.xml
+	if( !buildSkeleton(sAvatarSkeletonInfo) )
+	{
+		llwarns << "avatar file: buildSkeleton() failed" << llendl;
+		return FALSE;
+	}
+
+	// avatar_lad.xml : <skeleton>
+	if( !loadSkeletonNode() )
+	{
+		llwarns << "avatar file: loadNodeSkeleton() failed" << llendl;
+		return FALSE;
+	}
+	
+	// avatar_lad.xml : <mesh>
+	if( !loadMeshNodes() )
+	{
+		llwarns << "avatar file: loadNodeMesh() failed" << llendl;
+		return FALSE;
+	}
+	
+	// avatar_lad.xml : <global_color>
+	if( sAvatarXmlInfo->mTexSkinColorInfo )
+	{
+		mTexSkinColor = new LLTexGlobalColor( this );
+		if( !mTexSkinColor->setInfo( sAvatarXmlInfo->mTexSkinColorInfo ) )
+		{
+			llwarns << "avatar file: mTexSkinColor->setInfo() failed" << llendl;
+			return FALSE;
+		}
+	}
+	else
+	{
+		llwarns << "<global_color> name=\"skin_color\" not found" << llendl;
+		return FALSE;
+	}
+	if( sAvatarXmlInfo->mTexHairColorInfo )
+	{
+		mTexHairColor = new LLTexGlobalColor( this );
+		if( !mTexHairColor->setInfo( sAvatarXmlInfo->mTexHairColorInfo ) )
+		{
+			llwarns << "avatar file: mTexHairColor->setInfo() failed" << llendl;
+			return FALSE;
+		}
+	}
+	else
+	{
+		llwarns << "<global_color> name=\"hair_color\" not found" << llendl;
+		return FALSE;
+	}
+	if( sAvatarXmlInfo->mTexEyeColorInfo )
+	{
+		mTexEyeColor = new LLTexGlobalColor( this );
+		if( !mTexEyeColor->setInfo( sAvatarXmlInfo->mTexEyeColorInfo ) )
+		{
+			llwarns << "avatar file: mTexEyeColor->setInfo() failed" << llendl;
+			return FALSE;
+		}
+	}
+	else
+	{
+		llwarns << "<global_color> name=\"eye_color\" not found" << llendl;
+		return FALSE;
+	}
+	
+	// avatar_lad.xml : <layer_set>
+	if (sAvatarXmlInfo->mLayerInfoList.empty())
+	{
+		llwarns << "avatar file: missing <layer_set> node" << llendl;
+		return FALSE;
+	}
+
+	if (sAvatarXmlInfo->mMorphMaskInfoList.empty())
+	{
+		llwarns << "avatar file: missing <morph_masks> node" << llendl;
+		return FALSE;
+	}
+
+	// avatar_lad.xml : <morph_masks>
+	for (LLAvatarXmlInfo::morph_info_list_t::iterator iter = sAvatarXmlInfo->mMorphMaskInfoList.begin();
+		 iter != sAvatarXmlInfo->mMorphMaskInfoList.end();
+		 ++iter)
+	{
+		LLAvatarXmlInfo::LLAvatarMorphInfo *info = *iter;
+
+		EBakedTextureIndex baked = LLAvatarAppearanceDictionary::findBakedByRegionName(info->mRegion); 
+		if (baked != BAKED_NUM_INDICES)
+		{
+			LLVisualParam* morph_param;
+			const std::string *name = &info->mName;
+			morph_param = getVisualParam(name->c_str());
+			if (morph_param)
+			{
+				BOOL invert = info->mInvert;
+				addMaskedMorph(baked, morph_param, invert, info->mLayer);
+			}
+		}
+
+	}
+
+	loadLayersets();
+	
+	// avatar_lad.xml : <driver_parameters>
+	for (LLAvatarXmlInfo::driver_info_list_t::iterator iter = sAvatarXmlInfo->mDriverInfoList.begin();
+		 iter != sAvatarXmlInfo->mDriverInfoList.end(); 
+		 ++iter)
+	{
+		LLDriverParamInfo *info = *iter;
+		LLDriverParam* driver_param = new LLDriverParam( this );
+		if (driver_param->setInfo(info))
+		{
+			addVisualParam( driver_param );
+			driver_param->setParamLocation(isSelf() ? LOC_AV_SELF : LOC_AV_OTHER);
+			LLVisualParam*(LLAvatarAppearance::*avatar_function)(S32)const = &LLAvatarAppearance::getVisualParam; 
+			if( !driver_param->linkDrivenParams(boost::bind(avatar_function,(LLAvatarAppearance*)this,_1 ), false))
+			{
+				llwarns << "could not link driven params for avatar " << getID().asString() << " param id: " << driver_param->getID() << llendl;
+				continue;
+			}
+		}
+		else
+		{
+			delete driver_param;
+			llwarns << "avatar file: driver_param->parseData() failed" << llendl;
+			return FALSE;
+		}
+	}
+
+	
+	return TRUE;
+}
+
+//-----------------------------------------------------------------------------
+// loadSkeletonNode(): loads <skeleton> node from XML tree
+//-----------------------------------------------------------------------------
+BOOL LLAvatarAppearance::loadSkeletonNode ()
+{
+	mRoot->addChild( mSkeleton[0] );
+
+	// make meshes children before calling parent version of the function
+	for (avatar_joint_list_t::iterator iter = mMeshLOD.begin();
+		 iter != mMeshLOD.end(); 
+		 ++iter)
+	{
+		LLAvatarJoint *joint = *iter;
+		joint->mUpdateXform = FALSE;
+		joint->setMeshesToChildren();
+	}
+
+	mRoot->addChild(mMeshLOD[MESH_ID_HEAD]);
+	mRoot->addChild(mMeshLOD[MESH_ID_EYELASH]);
+	mRoot->addChild(mMeshLOD[MESH_ID_UPPER_BODY]);
+	mRoot->addChild(mMeshLOD[MESH_ID_LOWER_BODY]);
+	mRoot->addChild(mMeshLOD[MESH_ID_SKIRT]);
+	mRoot->addChild(mMeshLOD[MESH_ID_HEAD]);
+
+	LLAvatarJoint *skull = (LLAvatarJoint*)mRoot->findJoint("mSkull");
+	if (skull)
+	{
+		skull->addChild(mMeshLOD[MESH_ID_HAIR] );
+	}
+
+	LLAvatarJoint *eyeL = (LLAvatarJoint*)mRoot->findJoint("mEyeLeft");
+	if (eyeL)
+	{
+		eyeL->addChild( mMeshLOD[MESH_ID_EYEBALL_LEFT] );
+	}
+
+	LLAvatarJoint *eyeR = (LLAvatarJoint*)mRoot->findJoint("mEyeRight");
+	if (eyeR)
+	{
+		eyeR->addChild( mMeshLOD[MESH_ID_EYEBALL_RIGHT] );
+	}
+
+	// SKELETAL DISTORTIONS
+	{
+		LLAvatarXmlInfo::skeletal_distortion_info_list_t::iterator iter;
+		for (iter = sAvatarXmlInfo->mSkeletalDistortionInfoList.begin();
+			 iter != sAvatarXmlInfo->mSkeletalDistortionInfoList.end(); 
+			 ++iter)
+		{
+			LLPolySkeletalDistortionInfo *info = (LLPolySkeletalDistortionInfo*)*iter;
+			LLPolySkeletalDistortion *param = new LLPolySkeletalDistortion(this);
+			if (!param->setInfo(info))
+			{
+				delete param;
+				return FALSE;
+			}
+			else
+			{
+				addVisualParam(param);
+				param->setParamLocation(isSelf() ? LOC_AV_SELF : LOC_AV_OTHER);
+			}				
+		}
+	}
+
+
+	return TRUE;
+}
+
+//-----------------------------------------------------------------------------
+// loadMeshNodes(): loads <mesh> nodes from XML tree
+//-----------------------------------------------------------------------------
+BOOL LLAvatarAppearance::loadMeshNodes()
+{
+	for (LLAvatarXmlInfo::mesh_info_list_t::const_iterator meshinfo_iter = sAvatarXmlInfo->mMeshInfoList.begin();
+		 meshinfo_iter != sAvatarXmlInfo->mMeshInfoList.end(); 
+		 ++meshinfo_iter)
+	{
+		const LLAvatarXmlInfo::LLAvatarMeshInfo *info = *meshinfo_iter;
+		const std::string &type = info->mType;
+		S32 lod = info->mLOD;
+
+		LLAvatarJointMesh* mesh = NULL;
+		U8 mesh_id = 0;
+		BOOL found_mesh_id = FALSE;
+
+		/* if (type == "hairMesh")
+			switch(lod)
+			  case 0:
+				mesh = &mHairMesh0; */
+		for (LLAvatarAppearanceDictionary::MeshEntries::const_iterator mesh_iter = LLAvatarAppearanceDictionary::getInstance()->getMeshEntries().begin();
+			 mesh_iter != LLAvatarAppearanceDictionary::getInstance()->getMeshEntries().end();
+			 ++mesh_iter)
+		{
+			const EMeshIndex mesh_index = mesh_iter->first;
+			const LLAvatarAppearanceDictionary::MeshEntry *mesh_dict = mesh_iter->second;
+			if (type.compare(mesh_dict->mName) == 0)
+			{
+				mesh_id = mesh_index;
+				found_mesh_id = TRUE;
+				break;
+			}
+		}
+
+		if (found_mesh_id)
+		{
+			if (lod < (S32)mMeshLOD[mesh_id]->mMeshParts.size())
+			{
+				mesh = mMeshLOD[mesh_id]->mMeshParts[lod];
+			}
+			else
+			{
+				llwarns << "Avatar file: <mesh> has invalid lod setting " << lod << llendl;
+				return FALSE;
+			}
+		}
+		else 
+		{
+			llwarns << "Ignoring unrecognized mesh type: " << type << llendl;
+			return FALSE;
+		}
+
+		//	llinfos << "Parsing mesh data for " << type << "..." << llendl;
+
+		// If this isn't set to white (1.0), avatars will *ALWAYS* be darker than their surroundings.
+		// Do not touch!!!
+		mesh->setColor( LLColor4::white );
+
+		LLPolyMesh *poly_mesh = NULL;
+
+		if (!info->mReferenceMeshName.empty())
+		{
+			polymesh_map_t::const_iterator polymesh_iter = mPolyMeshes.find(info->mReferenceMeshName);
+			if (polymesh_iter != mPolyMeshes.end())
+			{
+				poly_mesh = LLPolyMesh::getMesh(info->mMeshFileName, polymesh_iter->second);
+				poly_mesh->setAvatar(this);
+			}
+			else
+			{
+				// This should never happen
+				LL_WARNS("Avatar") << "Could not find avatar mesh: " << info->mReferenceMeshName << LL_ENDL;
+			}
+		}
+		else
+		{
+			poly_mesh = LLPolyMesh::getMesh(info->mMeshFileName);
+			poly_mesh->setAvatar(this);
+		}
+
+		if( !poly_mesh )
+		{
+			llwarns << "Failed to load mesh of type " << type << llendl;
+			return FALSE;
+		}
+
+		// Multimap insert
+		mPolyMeshes.insert(std::make_pair(info->mMeshFileName, poly_mesh));
+	
+		mesh->setMesh( poly_mesh );
+		mesh->setLOD( info->mMinPixelArea );
+
+		for (LLAvatarXmlInfo::LLAvatarMeshInfo::morph_info_list_t::const_iterator xmlinfo_iter = info->mPolyMorphTargetInfoList.begin();
+			 xmlinfo_iter != info->mPolyMorphTargetInfoList.end(); 
+			 ++xmlinfo_iter)
+		{
+			const LLAvatarXmlInfo::LLAvatarMeshInfo::morph_info_pair_t *info_pair = &(*xmlinfo_iter);
+			LLPolyMorphTarget *param = new LLPolyMorphTarget(mesh->getMesh());
+			if (!param->setInfo((LLPolyMorphTargetInfo*)info_pair->first))
+			{
+				delete param;
+				return FALSE;
+			}
+			else
+			{
+				if (info_pair->second)
+				{
+					addSharedVisualParam(param);
+					param->setParamLocation(isSelf() ? LOC_AV_SELF : LOC_AV_OTHER);
+				}
+				else
+				{
+					addVisualParam(param);
+					param->setParamLocation(isSelf() ? LOC_AV_SELF : LOC_AV_OTHER);
+				}
+			}				
+		}
+	}
+
+	return TRUE;
+}
+
+//-----------------------------------------------------------------------------
+// loadLayerSets()
+//-----------------------------------------------------------------------------
+BOOL LLAvatarAppearance::loadLayersets()
+{
+	BOOL success = TRUE;
+	for (LLAvatarXmlInfo::layer_info_list_t::const_iterator layerset_iter = sAvatarXmlInfo->mLayerInfoList.begin();
+		 layerset_iter != sAvatarXmlInfo->mLayerInfoList.end(); 
+		 ++layerset_iter)
+	{
+		LLTexLayerSetInfo *layerset_info = *layerset_iter;
+		if (isSelf())
+		{
+			// Construct a layerset for each one specified in avatar_lad.xml and initialize it as such.
+			LLTexLayerSet* layer_set = createTexLayerSet();
+			
+			if (!layer_set->setInfo(layerset_info))
+			{
+				stop_glerror();
+				delete layer_set;
+				llwarns << "avatar file: layer_set->setInfo() failed" << llendl;
+				return FALSE;
+			}
+
+			// scan baked textures and associate the layerset with the appropriate one
+			EBakedTextureIndex baked_index = BAKED_NUM_INDICES;
+			for (LLAvatarAppearanceDictionary::BakedTextures::const_iterator baked_iter = LLAvatarAppearanceDictionary::getInstance()->getBakedTextures().begin();
+				 baked_iter != LLAvatarAppearanceDictionary::getInstance()->getBakedTextures().end();
+				 ++baked_iter)
+			{
+				const LLAvatarAppearanceDictionary::BakedEntry *baked_dict = baked_iter->second;
+				if (layer_set->isBodyRegion(baked_dict->mName))
+				{
+					baked_index = baked_iter->first;
+					// ensure both structures are aware of each other
+					mBakedTextureDatas[baked_index].mTexLayerSet = layer_set;
+					layer_set->setBakedTexIndex(baked_index);
+					break;
+				}
+			}
+			// if no baked texture was found, warn and cleanup
+			if (baked_index == BAKED_NUM_INDICES)
+			{
+				llwarns << "<layer_set> has invalid body_region attribute" << llendl;
+				delete layer_set;
+				return FALSE;
+			}
+
+			// scan morph masks and let any affected layers know they have an associated morph
+			for (LLAvatarAppearance::morph_list_t::const_iterator morph_iter = mBakedTextureDatas[baked_index].mMaskedMorphs.begin();
+				morph_iter != mBakedTextureDatas[baked_index].mMaskedMorphs.end();
+				 ++morph_iter)
+			{
+				LLMaskedMorph *morph = *morph_iter;
+				LLTexLayerInterface* layer = layer_set->findLayerByName(morph->mLayer);
+				if (layer)
+				{
+					layer->setHasMorph(TRUE);
+				}
+				else
+				{
+					llwarns << "Could not find layer named " << morph->mLayer << " to set morph flag" << llendl;
+					success = FALSE;
+				}
+			}
+		}
+		else // !isSelf()
+		{
+			// Construct a layerset for each one specified in avatar_lad.xml and initialize it as such.
+			LLTexLayerSetInfo *layerset_info = *layerset_iter;
+			layerset_info->createVisualParams(this);
+		}
+	}
+	return success;
+}
+
+//-----------------------------------------------------------------------------
+// getCharacterJoint()
+//-----------------------------------------------------------------------------
+LLJoint *LLAvatarAppearance::getCharacterJoint( U32 num )
+{
+	if ((S32)num >= mSkeleton.size()
+	    || (S32)num < 0)
+	{
+		return NULL;
+	}
+	return mSkeleton[num];
+}
+
+
+//-----------------------------------------------------------------------------
+// getVolumePos()
+//-----------------------------------------------------------------------------
+LLVector3 LLAvatarAppearance::getVolumePos(S32 joint_index, LLVector3& volume_offset)
+{
+	if (joint_index > mNumCollisionVolumes)
+	{
+		return LLVector3::zero;
+	}
+
+	return mCollisionVolumes[joint_index].getVolumePos(volume_offset);
+}
+
+//-----------------------------------------------------------------------------
+// findCollisionVolume()
+//-----------------------------------------------------------------------------
+LLJoint* LLAvatarAppearance::findCollisionVolume(U32 volume_id)
+{
+	if ((S32)volume_id > mNumCollisionVolumes)
+	{
+		return NULL;
+	}
+	
+	return &mCollisionVolumes[volume_id];
+}
+
+//-----------------------------------------------------------------------------
+// findCollisionVolume()
+//-----------------------------------------------------------------------------
+S32 LLAvatarAppearance::getCollisionVolumeID(std::string &name)
+{
+	for (S32 i = 0; i < mNumCollisionVolumes; i++)
+	{
+		if (mCollisionVolumes[i].getName() == name)
+		{
+			return i;
+		}
+	}
+
+	return -1;
+}
+
+//-----------------------------------------------------------------------------
+// LLAvatarAppearance::getHeadMesh()
+//-----------------------------------------------------------------------------
+LLPolyMesh*	LLAvatarAppearance::getHeadMesh()
+{
+	return mMeshLOD[MESH_ID_HEAD]->mMeshParts[0]->getMesh();
+}
+
+
+//-----------------------------------------------------------------------------
+// LLAvatarAppearance::getUpperBodyMesh()
+//-----------------------------------------------------------------------------
+LLPolyMesh*	LLAvatarAppearance::getUpperBodyMesh()
+{
+	return mMeshLOD[MESH_ID_UPPER_BODY]->mMeshParts[0]->getMesh();
+}
+
+
+
+// virtual
+BOOL LLAvatarAppearance::isValid() const
+{
+	// This should only be called on ourself.
+	if (!isSelf())
+	{
+		llerrs << "Called LLAvatarAppearance::isValid() on when isSelf() == false" << llendl;
+	}
+	return TRUE;
+}
+
+
+// adds a morph mask to the appropriate baked texture structure
+void LLAvatarAppearance::addMaskedMorph(EBakedTextureIndex index, LLVisualParam* morph_target, BOOL invert, std::string layer)
+{
+	if (index < BAKED_NUM_INDICES)
+	{
+		LLMaskedMorph *morph = new LLMaskedMorph(morph_target, invert, layer);
+		mBakedTextureDatas[index].mMaskedMorphs.push_front(morph);
+	}
+}
+
+
+//static
+BOOL LLAvatarAppearance::teToColorParams( ETextureIndex te, U32 *param_name )
+{
+	switch( te )
+	{
+		case TEX_UPPER_SHIRT:
+			param_name[0] = 803; //"shirt_red";
+			param_name[1] = 804; //"shirt_green";
+			param_name[2] = 805; //"shirt_blue";
+			break;
+
+		case TEX_LOWER_PANTS:
+			param_name[0] = 806; //"pants_red";
+			param_name[1] = 807; //"pants_green";
+			param_name[2] = 808; //"pants_blue";
+			break;
+
+		case TEX_LOWER_SHOES:
+			param_name[0] = 812; //"shoes_red";
+			param_name[1] = 813; //"shoes_green";
+			param_name[2] = 817; //"shoes_blue";
+			break;
+
+		case TEX_LOWER_SOCKS:
+			param_name[0] = 818; //"socks_red";
+			param_name[1] = 819; //"socks_green";
+			param_name[2] = 820; //"socks_blue";
+			break;
+
+		case TEX_UPPER_JACKET:
+		case TEX_LOWER_JACKET:
+			param_name[0] = 834; //"jacket_red";
+			param_name[1] = 835; //"jacket_green";
+			param_name[2] = 836; //"jacket_blue";
+			break;
+
+		case TEX_UPPER_GLOVES:
+			param_name[0] = 827; //"gloves_red";
+			param_name[1] = 829; //"gloves_green";
+			param_name[2] = 830; //"gloves_blue";
+			break;
+
+		case TEX_UPPER_UNDERSHIRT:
+			param_name[0] = 821; //"undershirt_red";
+			param_name[1] = 822; //"undershirt_green";
+			param_name[2] = 823; //"undershirt_blue";
+			break;
+	
+		case TEX_LOWER_UNDERPANTS:
+			param_name[0] = 824; //"underpants_red";
+			param_name[1] = 825; //"underpants_green";
+			param_name[2] = 826; //"underpants_blue";
+			break;
+
+		case TEX_SKIRT:
+			param_name[0] = 921; //"skirt_red";
+			param_name[1] = 922; //"skirt_green";
+			param_name[2] = 923; //"skirt_blue";
+			break;
+
+		case TEX_HEAD_TATTOO:
+		case TEX_LOWER_TATTOO:
+		case TEX_UPPER_TATTOO:
+			param_name[0] = 1071; //"tattoo_red";
+			param_name[1] = 1072; //"tattoo_green";
+			param_name[2] = 1073; //"tattoo_blue";
+			break;	
+
+		default:
+			llassert(0);
+			return FALSE;
+	}
+
+	return TRUE;
+}
+
+void LLAvatarAppearance::setClothesColor( ETextureIndex te, const LLColor4& new_color, BOOL upload_bake )
+{
+	U32 param_name[3];
+	if( teToColorParams( te, param_name ) )
+	{
+		setVisualParamWeight( param_name[0], new_color.mV[VX], upload_bake );
+		setVisualParamWeight( param_name[1], new_color.mV[VY], upload_bake );
+		setVisualParamWeight( param_name[2], new_color.mV[VZ], upload_bake );
+	}
+}
+
+LLColor4 LLAvatarAppearance::getClothesColor( ETextureIndex te )
+{
+	LLColor4 color;
+	U32 param_name[3];
+	if( teToColorParams( te, param_name ) )
+	{
+		color.mV[VX] = getVisualParamWeight( param_name[0] );
+		color.mV[VY] = getVisualParamWeight( param_name[1] );
+		color.mV[VZ] = getVisualParamWeight( param_name[2] );
+	}
+	return color;
+}
+
+// static
+LLColor4 LLAvatarAppearance::getDummyColor()
+{
+	return DUMMY_COLOR;
+}
+
+LLColor4 LLAvatarAppearance::getGlobalColor( const std::string& color_name ) const
+{
+	if (color_name=="skin_color" && mTexSkinColor)
+	{
+		return mTexSkinColor->getColor();
+	}
+	else if(color_name=="hair_color" && mTexHairColor)
+	{
+		return mTexHairColor->getColor();
+	}
+	if(color_name=="eye_color" && mTexEyeColor)
+	{
+		return mTexEyeColor->getColor();
+	}
+	else
+	{
+//		return LLColor4( .5f, .5f, .5f, .5f );
+		return LLColor4( 0.f, 1.f, 1.f, 1.f ); // good debugging color
+	}
+}
+
+// Unlike most wearable functions, this works for both self and other.
+// virtual
+BOOL LLAvatarAppearance::isWearingWearableType(LLWearableType::EType type) const
+{
+	return mWearableData->getWearableCount(type) > 0;
+}
+
+LLTexLayerSet* LLAvatarAppearance::getAvatarLayerSet(EBakedTextureIndex baked_index) const
+{
+	/* switch(index)
+		case TEX_HEAD_BAKED:
+		case TEX_HEAD_BODYPAINT:
+			return mHeadLayerSet; */
+	return mBakedTextureDatas[baked_index].mTexLayerSet;
+}
+
+//-----------------------------------------------------------------------------
+// allocateCollisionVolumes()
+//-----------------------------------------------------------------------------
+BOOL LLAvatarAppearance::allocateCollisionVolumes( U32 num )
+{
+	deleteAndClearArray(mCollisionVolumes);
+	mNumCollisionVolumes = 0;
+
+	mCollisionVolumes = new LLAvatarJointCollisionVolume[num];
+	if (!mCollisionVolumes)
+	{
+		return FALSE;
+	}
+
+	mNumCollisionVolumes = num;
+	return TRUE;
+}
+
+//-----------------------------------------------------------------------------
+// LLAvatarBoneInfo::parseXml()
+//-----------------------------------------------------------------------------
+BOOL LLAvatarBoneInfo::parseXml(LLXmlTreeNode* node)
+{
+	if (node->hasName("bone"))
+	{
+		mIsJoint = TRUE;
+		static LLStdStringHandle name_string = LLXmlTree::addAttributeString("name");
+		if (!node->getFastAttributeString(name_string, mName))
+		{
+			llwarns << "Bone without name" << llendl;
+			return FALSE;
+		}
+	}
+	else if (node->hasName("collision_volume"))
+	{
+		mIsJoint = FALSE;
+		static LLStdStringHandle name_string = LLXmlTree::addAttributeString("name");
+		if (!node->getFastAttributeString(name_string, mName))
+		{
+			mName = "Collision Volume";
+		}
+	}
+	else
+	{
+		llwarns << "Invalid node " << node->getName() << llendl;
+		return FALSE;
+	}
+
+	static LLStdStringHandle pos_string = LLXmlTree::addAttributeString("pos");
+	if (!node->getFastAttributeVector3(pos_string, mPos))
+	{
+		llwarns << "Bone without position" << llendl;
+		return FALSE;
+	}
+
+	static LLStdStringHandle rot_string = LLXmlTree::addAttributeString("rot");
+	if (!node->getFastAttributeVector3(rot_string, mRot))
+	{
+		llwarns << "Bone without rotation" << llendl;
+		return FALSE;
+	}
+	
+	static LLStdStringHandle scale_string = LLXmlTree::addAttributeString("scale");
+	if (!node->getFastAttributeVector3(scale_string, mScale))
+	{
+		llwarns << "Bone without scale" << llendl;
+		return FALSE;
+	}
+
+	if (mIsJoint)
+	{
+		static LLStdStringHandle pivot_string = LLXmlTree::addAttributeString("pivot");
+		if (!node->getFastAttributeVector3(pivot_string, mPivot))
+		{
+			llwarns << "Bone without pivot" << llendl;
+			return FALSE;
+		}
+	}
+
+	// parse children
+	LLXmlTreeNode* child;
+	for( child = node->getFirstChild(); child; child = node->getNextChild() )
+	{
+		LLAvatarBoneInfo *child_info = new LLAvatarBoneInfo;
+		if (!child_info->parseXml(child))
+		{
+			delete child_info;
+			return FALSE;
+		}
+		mChildList.push_back(child_info);
+	}
+	return TRUE;
+}
+
+//-----------------------------------------------------------------------------
+// LLAvatarSkeletonInfo::parseXml()
+//-----------------------------------------------------------------------------
+BOOL LLAvatarSkeletonInfo::parseXml(LLXmlTreeNode* node)
+{
+	static LLStdStringHandle num_bones_string = LLXmlTree::addAttributeString("num_bones");
+	if (!node->getFastAttributeS32(num_bones_string, mNumBones))
+	{
+		llwarns << "Couldn't find number of bones." << llendl;
+		return FALSE;
+	}
+
+	static LLStdStringHandle num_collision_volumes_string = LLXmlTree::addAttributeString("num_collision_volumes");
+	node->getFastAttributeS32(num_collision_volumes_string, mNumCollisionVolumes);
+
+	LLXmlTreeNode* child;
+	for( child = node->getFirstChild(); child; child = node->getNextChild() )
+	{
+		LLAvatarBoneInfo *info = new LLAvatarBoneInfo;
+		if (!info->parseXml(child))
+		{
+			delete info;
+			llwarns << "Error parsing bone in skeleton file" << llendl;
+			return FALSE;
+		}
+		mBoneInfoList.push_back(info);
+	}
+	return TRUE;
+}
+
+
+//-----------------------------------------------------------------------------
+// parseXmlSkeletonNode(): parses <skeleton> nodes from XML tree
+//-----------------------------------------------------------------------------
+BOOL LLAvatarAppearance::LLAvatarXmlInfo::parseXmlSkeletonNode(LLXmlTreeNode* root)
+{
+	LLXmlTreeNode* node = root->getChildByName( "skeleton" );
+	if( !node )
+	{
+		llwarns << "avatar file: missing <skeleton>" << llendl;
+		return FALSE;
+	}
+
+	LLXmlTreeNode* child;
+
+	// SKELETON DISTORTIONS
+	for (child = node->getChildByName( "param" );
+		 child;
+		 child = node->getNextNamedChild())
+	{
+		if (!child->getChildByName("param_skeleton"))
+		{
+			if (child->getChildByName("param_morph"))
+			{
+				llwarns << "Can't specify morph param in skeleton definition." << llendl;
+			}
+			else
+			{
+				llwarns << "Unknown param type." << llendl;
+			}
+			continue;
+		}
+		
+		LLPolySkeletalDistortionInfo *info = new LLPolySkeletalDistortionInfo;
+		if (!info->parseXml(child))
+		{
+			delete info;
+			return FALSE;
+		}
+
+		mSkeletalDistortionInfoList.push_back(info);
+	}
+
+	// ATTACHMENT POINTS
+	for (child = node->getChildByName( "attachment_point" );
+		 child;
+		 child = node->getNextNamedChild())
+	{
+		LLAvatarAttachmentInfo* info = new LLAvatarAttachmentInfo();
+
+		static LLStdStringHandle name_string = LLXmlTree::addAttributeString("name");
+		if (!child->getFastAttributeString(name_string, info->mName))
+		{
+			llwarns << "No name supplied for attachment point." << llendl;
+			delete info;
+			continue;
+		}
+
+		static LLStdStringHandle joint_string = LLXmlTree::addAttributeString("joint");
+		if (!child->getFastAttributeString(joint_string, info->mJointName))
+		{
+			llwarns << "No bone declared in attachment point " << info->mName << llendl;
+			delete info;
+			continue;
+		}
+
+		static LLStdStringHandle position_string = LLXmlTree::addAttributeString("position");
+		if (child->getFastAttributeVector3(position_string, info->mPosition))
+		{
+			info->mHasPosition = TRUE;
+		}
+
+		static LLStdStringHandle rotation_string = LLXmlTree::addAttributeString("rotation");
+		if (child->getFastAttributeVector3(rotation_string, info->mRotationEuler))
+		{
+			info->mHasRotation = TRUE;
+		}
+		 static LLStdStringHandle group_string = LLXmlTree::addAttributeString("group");
+		if (child->getFastAttributeS32(group_string, info->mGroup))
+		{
+			if (info->mGroup == -1)
+				info->mGroup = -1111; // -1 = none parsed, < -1 = bad value
+		}
+
+		static LLStdStringHandle id_string = LLXmlTree::addAttributeString("id");
+		if (!child->getFastAttributeS32(id_string, info->mAttachmentID))
+		{
+			llwarns << "No id supplied for attachment point " << info->mName << llendl;
+			delete info;
+			continue;
+		}
+
+		static LLStdStringHandle slot_string = LLXmlTree::addAttributeString("pie_slice");
+		child->getFastAttributeS32(slot_string, info->mPieMenuSlice);
+			
+		static LLStdStringHandle visible_in_first_person_string = LLXmlTree::addAttributeString("visible_in_first_person");
+		child->getFastAttributeBOOL(visible_in_first_person_string, info->mVisibleFirstPerson);
+
+		static LLStdStringHandle hud_attachment_string = LLXmlTree::addAttributeString("hud");
+		child->getFastAttributeBOOL(hud_attachment_string, info->mIsHUDAttachment);
+
+		mAttachmentInfoList.push_back(info);
+	}
+
+	return TRUE;
+}
+
+//-----------------------------------------------------------------------------
+// parseXmlMeshNodes(): parses <mesh> nodes from XML tree
+//-----------------------------------------------------------------------------
+BOOL LLAvatarAppearance::LLAvatarXmlInfo::parseXmlMeshNodes(LLXmlTreeNode* root)
+{
+	for (LLXmlTreeNode* node = root->getChildByName( "mesh" );
+		 node;
+		 node = root->getNextNamedChild())
+	{
+		LLAvatarMeshInfo *info = new LLAvatarMeshInfo;
+
+		// attribute: type
+		static LLStdStringHandle type_string = LLXmlTree::addAttributeString("type");
+		if( !node->getFastAttributeString( type_string, info->mType ) )
+		{
+			llwarns << "Avatar file: <mesh> is missing type attribute.  Ignoring element. " << llendl;
+			delete info;
+			return FALSE;  // Ignore this element
+		}
+		
+		static LLStdStringHandle lod_string = LLXmlTree::addAttributeString("lod");
+		if (!node->getFastAttributeS32( lod_string, info->mLOD ))
+		{
+			llwarns << "Avatar file: <mesh> is missing lod attribute.  Ignoring element. " << llendl;
+			delete info;
+			return FALSE;  // Ignore this element
+		}
+
+		static LLStdStringHandle file_name_string = LLXmlTree::addAttributeString("file_name");
+		if( !node->getFastAttributeString( file_name_string, info->mMeshFileName ) )
+		{
+			llwarns << "Avatar file: <mesh> is missing file_name attribute.  Ignoring: " << info->mType << llendl;
+			delete info;
+			return FALSE;  // Ignore this element
+		}
+
+		static LLStdStringHandle reference_string = LLXmlTree::addAttributeString("reference");
+		node->getFastAttributeString( reference_string, info->mReferenceMeshName );
+		
+		// attribute: min_pixel_area
+		static LLStdStringHandle min_pixel_area_string = LLXmlTree::addAttributeString("min_pixel_area");
+		static LLStdStringHandle min_pixel_width_string = LLXmlTree::addAttributeString("min_pixel_width");
+		if (!node->getFastAttributeF32( min_pixel_area_string, info->mMinPixelArea ))
+		{
+			F32 min_pixel_area = 0.1f;
+			if (node->getFastAttributeF32( min_pixel_width_string, min_pixel_area ))
+			{
+				// this is square root of pixel area (sensible to use linear space in defining lods)
+				min_pixel_area = min_pixel_area * min_pixel_area;
+			}
+			info->mMinPixelArea = min_pixel_area;
+		}
+		
+		// Parse visual params for this node only if we haven't already
+		for (LLXmlTreeNode* child = node->getChildByName( "param" );
+			 child;
+			 child = node->getNextNamedChild())
+		{
+			if (!child->getChildByName("param_morph"))
+			{
+				if (child->getChildByName("param_skeleton"))
+				{
+					llwarns << "Can't specify skeleton param in a mesh definition." << llendl;
+				}
+				else
+				{
+					llwarns << "Unknown param type." << llendl;
+				}
+				continue;
+			}
+
+			LLPolyMorphTargetInfo *morphinfo = new LLPolyMorphTargetInfo();
+			if (!morphinfo->parseXml(child))
+			{
+				delete morphinfo;
+				delete info;
+				return -1;
+			}
+			BOOL shared = FALSE;
+			static LLStdStringHandle shared_string = LLXmlTree::addAttributeString("shared");
+			child->getFastAttributeBOOL(shared_string, shared);
+
+			info->mPolyMorphTargetInfoList.push_back(LLAvatarMeshInfo::morph_info_pair_t(morphinfo, shared));
+		}
+
+		mMeshInfoList.push_back(info);
+	}
+	return TRUE;
+}
+
+//-----------------------------------------------------------------------------
+// parseXmlColorNodes(): parses <global_color> nodes from XML tree
+//-----------------------------------------------------------------------------
+BOOL LLAvatarAppearance::LLAvatarXmlInfo::parseXmlColorNodes(LLXmlTreeNode* root)
+{
+	for (LLXmlTreeNode* color_node = root->getChildByName( "global_color" );
+		 color_node;
+		 color_node = root->getNextNamedChild())
+	{
+		std::string global_color_name;
+		static LLStdStringHandle name_string = LLXmlTree::addAttributeString("name");
+		if (color_node->getFastAttributeString( name_string, global_color_name ) )
+		{
+			if( global_color_name == "skin_color" )
+			{
+				if (mTexSkinColorInfo)
+				{
+					llwarns << "avatar file: multiple instances of skin_color" << llendl;
+					return FALSE;
+				}
+				mTexSkinColorInfo = new LLTexGlobalColorInfo;
+				if( !mTexSkinColorInfo->parseXml( color_node ) )
+				{
+					deleteAndClear(mTexSkinColorInfo);
+					llwarns << "avatar file: mTexSkinColor->parseXml() failed" << llendl;
+					return FALSE;
+				}
+			}
+			else if( global_color_name == "hair_color" )
+			{
+				if (mTexHairColorInfo)
+				{
+					llwarns << "avatar file: multiple instances of hair_color" << llendl;
+					return FALSE;
+				}
+				mTexHairColorInfo = new LLTexGlobalColorInfo;
+				if( !mTexHairColorInfo->parseXml( color_node ) )
+				{
+					deleteAndClear(mTexHairColorInfo);
+					llwarns << "avatar file: mTexHairColor->parseXml() failed" << llendl;
+					return FALSE;
+				}
+			}
+			else if( global_color_name == "eye_color" )
+			{
+				if (mTexEyeColorInfo)
+				{
+					llwarns << "avatar file: multiple instances of eye_color" << llendl;
+					return FALSE;
+				}
+				mTexEyeColorInfo = new LLTexGlobalColorInfo;
+				if( !mTexEyeColorInfo->parseXml( color_node ) )
+				{
+					llwarns << "avatar file: mTexEyeColor->parseXml() failed" << llendl;
+					return FALSE;
+				}
+			}
+		}
+	}
+	return TRUE;
+}
+
+//-----------------------------------------------------------------------------
+// parseXmlLayerNodes(): parses <layer_set> nodes from XML tree
+//-----------------------------------------------------------------------------
+BOOL LLAvatarAppearance::LLAvatarXmlInfo::parseXmlLayerNodes(LLXmlTreeNode* root)
+{
+	for (LLXmlTreeNode* layer_node = root->getChildByName( "layer_set" );
+		 layer_node;
+		 layer_node = root->getNextNamedChild())
+	{
+		LLTexLayerSetInfo* layer_info = new LLTexLayerSetInfo();
+		if( layer_info->parseXml( layer_node ) )
+		{
+			mLayerInfoList.push_back(layer_info);
+		}
+		else
+		{
+			delete layer_info;
+			llwarns << "avatar file: layer_set->parseXml() failed" << llendl;
+			return FALSE;
+		}
+	}
+	return TRUE;
+}
+
+//-----------------------------------------------------------------------------
+// parseXmlDriverNodes(): parses <driver_parameters> nodes from XML tree
+//-----------------------------------------------------------------------------
+BOOL LLAvatarAppearance::LLAvatarXmlInfo::parseXmlDriverNodes(LLXmlTreeNode* root)
+{
+	LLXmlTreeNode* driver = root->getChildByName( "driver_parameters" );
+	if( driver )
+	{
+		for (LLXmlTreeNode* grand_child = driver->getChildByName( "param" );
+			 grand_child;
+			 grand_child = driver->getNextNamedChild())
+		{
+			if( grand_child->getChildByName( "param_driver" ) )
+			{
+				LLDriverParamInfo* driver_info = new LLDriverParamInfo();
+				if( driver_info->parseXml( grand_child ) )
+				{
+					mDriverInfoList.push_back(driver_info);
+				}
+				else
+				{
+					delete driver_info;
+					llwarns << "avatar file: driver_param->parseXml() failed" << llendl;
+					return FALSE;
+				}
+			}
+		}
+	}
+	return TRUE;
+}
+
+//-----------------------------------------------------------------------------
+// parseXmlDriverNodes(): parses <driver_parameters> nodes from XML tree
+//-----------------------------------------------------------------------------
+BOOL LLAvatarAppearance::LLAvatarXmlInfo::parseXmlMorphNodes(LLXmlTreeNode* root)
+{
+	LLXmlTreeNode* masks = root->getChildByName( "morph_masks" );
+	if( !masks )
+	{
+		return FALSE;
+	}
+
+	for (LLXmlTreeNode* grand_child = masks->getChildByName( "mask" );
+		 grand_child;
+		 grand_child = masks->getNextNamedChild())
+	{
+		LLAvatarMorphInfo* info = new LLAvatarMorphInfo();
+
+		static LLStdStringHandle name_string = LLXmlTree::addAttributeString("morph_name");
+		if (!grand_child->getFastAttributeString(name_string, info->mName))
+		{
+			llwarns << "No name supplied for morph mask." << llendl;
+			delete info;
+			continue;
+		}
+
+		static LLStdStringHandle region_string = LLXmlTree::addAttributeString("body_region");
+		if (!grand_child->getFastAttributeString(region_string, info->mRegion))
+		{
+			llwarns << "No region supplied for morph mask." << llendl;
+			delete info;
+			continue;
+		}
+
+		static LLStdStringHandle layer_string = LLXmlTree::addAttributeString("layer");
+		if (!grand_child->getFastAttributeString(layer_string, info->mLayer))
+		{
+			llwarns << "No layer supplied for morph mask." << llendl;
+			delete info;
+			continue;
+		}
+
+		// optional parameter. don't throw a warning if not present.
+		static LLStdStringHandle invert_string = LLXmlTree::addAttributeString("invert");
+		grand_child->getFastAttributeBOOL(invert_string, info->mInvert);
+
+		mMorphMaskInfoList.push_back(info);
+	}
+
+	return TRUE;
+}
+
+//virtual 
+LLAvatarAppearance::LLMaskedMorph::LLMaskedMorph(LLVisualParam *morph_target, BOOL invert, std::string layer) :
+			mMorphTarget(morph_target), 
+			mInvert(invert),
+			mLayer(layer)
+{
+	LLPolyMorphTarget *target = dynamic_cast<LLPolyMorphTarget*>(morph_target);
+	if (target)
+	{
+		target->addPendingMorphMask();
+	}
+}
+
+
+
diff --git a/indra/llappearance/llavatarappearance.h b/indra/llappearance/llavatarappearance.h
new file mode 100644
index 0000000000..bce2540258
--- /dev/null
+++ b/indra/llappearance/llavatarappearance.h
@@ -0,0 +1,448 @@
+/**
+ * @file llavatarappearance.h
+ * @brief Declaration of LLAvatarAppearance class
+ *
+ * $LicenseInfo:firstyear=2012&license=viewerlgpl$
+ * 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
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_AVATAR_APPEARANCE_H
+#define LL_AVATAR_APPEARANCE_H
+
+#include "llcharacter.h"
+#include "llavatarappearancedefines.h"
+#include "llavatarjointmesh.h"
+#include "lldriverparam.h"
+#include "lltexlayer.h"
+#include "llviewervisualparam.h"
+#include "llxmltree.h"
+
+class LLTexLayerSet;
+class LLTexGlobalColor;
+class LLTexGlobalColorInfo;
+class LLWearableData;
+class LLAvatarBoneInfo;
+class LLAvatarSkeletonInfo;
+
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+// LLAvatarAppearance
+// 
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+class LLAvatarAppearance : public LLCharacter
+{
+	LOG_CLASS(LLAvatarAppearance);
+
+protected:
+	struct LLAvatarXmlInfo;
+
+/********************************************************************************
+ **                                                                            **
+ **                    INITIALIZATION
+ **/
+private:
+	// Hide default constructor.
+	LLAvatarAppearance() {}
+
+public:
+	LLAvatarAppearance(LLWearableData* wearable_data);
+	virtual ~LLAvatarAppearance();
+
+	static void			initClass(); // initializes static members
+	static void			cleanupClass();	// Cleanup data that's only init'd once per class.
+	virtual void 		initInstance(); // Called after construction to initialize the instance.
+	virtual BOOL		loadSkeletonNode();
+	BOOL				loadMeshNodes();
+	BOOL				loadLayersets();
+
+
+/**                    Initialization
+ **                                                                            **
+ *******************************************************************************/
+
+/********************************************************************************
+ **                                                                            **
+ **                    INHERITED
+ **/
+
+	//--------------------------------------------------------------------
+	// LLCharacter interface and related
+	//--------------------------------------------------------------------
+public:
+	/*virtual*/ LLJoint*		getCharacterJoint(U32 num);
+
+	/*virtual*/ const char*		getAnimationPrefix() { return "avatar"; }
+	/*virtual*/ LLVector3		getVolumePos(S32 joint_index, LLVector3& volume_offset);
+	/*virtual*/ LLJoint*		findCollisionVolume(U32 volume_id);
+	/*virtual*/ S32				getCollisionVolumeID(std::string &name);
+	/*virtual*/ LLPolyMesh*		getHeadMesh();
+	/*virtual*/ LLPolyMesh*		getUpperBodyMesh();
+
+/**                    Inherited
+ **                                                                            **
+ *******************************************************************************/
+
+/********************************************************************************
+ **                                                                            **
+ **                    STATE
+ **/
+public:
+	virtual bool 	isSelf() const { return false; } // True if this avatar is for this viewer's agent
+	virtual BOOL	isValid() const;
+	virtual BOOL	isUsingServerBakes() const = 0;
+	virtual BOOL	isUsingLocalAppearance() const = 0;
+	virtual BOOL	isEditingAppearance() const = 0;
+
+	bool isBuilt() const { return mIsBuilt; }
+
+	
+/**                    State
+ **                                                                            **
+ *******************************************************************************/
+
+/********************************************************************************
+ **                                                                            **
+ **                    SKELETON
+ **/
+
+protected:
+	virtual LLAvatarJoint*	createAvatarJoint() = 0;
+	virtual LLAvatarJoint*	createAvatarJoint(S32 joint_num) = 0;
+	virtual LLAvatarJointMesh*	createAvatarJointMesh() = 0;
+public:
+	F32					getPelvisToFoot() const { return mPelvisToFoot; }
+	/*virtual*/ LLJoint*	getRootJoint() { return mRoot; }
+
+	LLVector3			mHeadOffset; // current head position
+	LLAvatarJoint		*mRoot;
+
+	typedef std::map<std::string, LLJoint*> joint_map_t;
+	joint_map_t			mJointMap;
+	
+	void				computeBodySize();
+
+
+protected:
+	static BOOL			parseSkeletonFile(const std::string& filename);
+	virtual void		buildCharacter();
+	virtual BOOL		loadAvatar();
+	virtual void		bodySizeChanged() = 0;
+
+	BOOL				setupBone(const LLAvatarBoneInfo* info, LLJoint* parent, S32 &current_volume_num, S32 &current_joint_num);
+	BOOL				allocateCharacterJoints(U32 num);
+	BOOL				buildSkeleton(const LLAvatarSkeletonInfo *info);
+protected:
+	void				clearSkeleton();
+	BOOL				mIsBuilt; // state of deferred character building
+	typedef std::vector<LLAvatarJoint*> avatar_joint_list_t;
+	avatar_joint_list_t	mSkeleton;
+	
+	//--------------------------------------------------------------------
+	// Pelvis height adjustment members.
+	//--------------------------------------------------------------------
+public:
+	LLVector3			mBodySize;
+	LLVector3			mAvatarOffset;
+protected:
+	F32					mPelvisToFoot;
+
+	//--------------------------------------------------------------------
+	// Cached pointers to well known joints
+	//--------------------------------------------------------------------
+public:
+	LLJoint* 		mPelvisp;
+	LLJoint* 		mTorsop;
+	LLJoint* 		mChestp;
+	LLJoint* 		mNeckp;
+	LLJoint* 		mHeadp;
+	LLJoint* 		mSkullp;
+	LLJoint* 		mEyeLeftp;
+	LLJoint* 		mEyeRightp;
+	LLJoint* 		mHipLeftp;
+	LLJoint* 		mHipRightp;
+	LLJoint* 		mKneeLeftp;
+	LLJoint* 		mKneeRightp;
+	LLJoint* 		mAnkleLeftp;
+	LLJoint* 		mAnkleRightp;
+	LLJoint* 		mFootLeftp;
+	LLJoint* 		mFootRightp;
+	LLJoint* 		mWristLeftp;
+	LLJoint* 		mWristRightp;
+
+	//--------------------------------------------------------------------
+	// XML parse tree
+	//--------------------------------------------------------------------
+protected:
+	static LLXmlTree 	sXMLTree; // avatar config file
+	static LLXmlTree 	sSkeletonXMLTree; // avatar skeleton file
+
+	static LLAvatarSkeletonInfo* 					sAvatarSkeletonInfo;
+	static LLAvatarXmlInfo* 						sAvatarXmlInfo;
+
+
+/**                    Skeleton
+ **                                                                            **
+ *******************************************************************************/
+
+
+/********************************************************************************
+ **                                                                            **
+ **                    RENDERING
+ **/
+public:
+	BOOL		mIsDummy; // for special views
+
+	//--------------------------------------------------------------------
+	// Morph masks
+	//--------------------------------------------------------------------
+public:
+	void 	addMaskedMorph(LLAvatarAppearanceDefines::EBakedTextureIndex index, LLVisualParam* morph_target, BOOL invert, std::string layer);
+	virtual void	applyMorphMask(U8* tex_data, S32 width, S32 height, S32 num_components, LLAvatarAppearanceDefines::EBakedTextureIndex index = LLAvatarAppearanceDefines::BAKED_NUM_INDICES) = 0;
+
+/**                    Rendering
+ **                                                                            **
+ *******************************************************************************/
+
+	//--------------------------------------------------------------------
+	// Composites
+	//--------------------------------------------------------------------
+public:
+	virtual void	invalidateComposite(LLTexLayerSet* layerset, BOOL upload_result) = 0;
+
+/********************************************************************************
+ **                                                                            **
+ **                    MESHES
+ **/
+
+public:
+	virtual void	updateMeshTextures() = 0;
+	virtual void	dirtyMesh() = 0; // Dirty the avatar mesh
+protected:
+	virtual void	dirtyMesh(S32 priority) = 0; // Dirty the avatar mesh, with priority
+
+protected:
+	typedef std::multimap<std::string, LLPolyMesh*> polymesh_map_t;
+	polymesh_map_t 									mPolyMeshes;
+	avatar_joint_list_t								mMeshLOD;
+
+/**                    Meshes
+ **                                                                            **
+ *******************************************************************************/
+
+/********************************************************************************
+ **                                                                            **
+ **                    APPEARANCE
+ **/
+
+	//--------------------------------------------------------------------
+	// Clothing colors (convenience functions to access visual parameters)
+	//--------------------------------------------------------------------
+public:
+	void			setClothesColor(LLAvatarAppearanceDefines::ETextureIndex te, const LLColor4& new_color, BOOL upload_bake);
+	LLColor4		getClothesColor(LLAvatarAppearanceDefines::ETextureIndex te);
+	static BOOL		teToColorParams(LLAvatarAppearanceDefines::ETextureIndex te, U32 *param_name);
+
+	//--------------------------------------------------------------------
+	// Global colors
+	//--------------------------------------------------------------------
+public:
+	LLColor4		getGlobalColor(const std::string& color_name ) const;
+	virtual void	onGlobalColorChanged(const LLTexGlobalColor* global_color, BOOL upload_bake) = 0;
+protected:
+	LLTexGlobalColor* mTexSkinColor;
+	LLTexGlobalColor* mTexHairColor;
+	LLTexGlobalColor* mTexEyeColor;
+
+	//--------------------------------------------------------------------
+	// Visibility
+	//--------------------------------------------------------------------
+public:
+	static LLColor4 getDummyColor();
+/**                    Appearance
+ **                                                                            **
+ *******************************************************************************/
+
+/********************************************************************************
+ **                                                                            **
+ **                    WEARABLES
+ **/
+
+public:
+	LLWearableData*			getWearableData() { return mWearableData; }
+	const LLWearableData*	getWearableData() const { return mWearableData; }
+	virtual BOOL isTextureDefined(LLAvatarAppearanceDefines::ETextureIndex te, U32 index = 0 ) const = 0;
+	virtual BOOL			isWearingWearableType(LLWearableType::EType type ) const;
+
+private:
+	LLWearableData* mWearableData;
+
+/********************************************************************************
+ **                                                                            **
+ **                    BAKED TEXTURES
+ **/
+public:
+	LLTexLayerSet*		getAvatarLayerSet(LLAvatarAppearanceDefines::EBakedTextureIndex baked_index) const;
+
+protected:
+	virtual LLTexLayerSet*	createTexLayerSet() = 0;
+
+protected:
+	class LLMaskedMorph;
+	typedef std::deque<LLMaskedMorph *> 	morph_list_t;
+	struct BakedTextureData
+	{
+		LLUUID								mLastTextureID;
+		LLTexLayerSet*		 				mTexLayerSet; // Only exists for self
+		bool								mIsLoaded;
+		bool								mIsUsed;
+		LLAvatarAppearanceDefines::ETextureIndex 	mTextureIndex;
+		U32									mMaskTexName;
+		// Stores pointers to the joint meshes that this baked texture deals with
+		avatar_joint_mesh_list_t			mJointMeshes;
+		morph_list_t						mMaskedMorphs;
+	};
+	typedef std::vector<BakedTextureData> 	bakedtexturedata_vec_t;
+	bakedtexturedata_vec_t 					mBakedTextureDatas;
+
+/********************************************************************************
+ **                                                                            **
+ **                    PHYSICS
+ **/
+
+	//--------------------------------------------------------------------
+	// Collision volumes
+	//--------------------------------------------------------------------
+public:
+  	S32			mNumCollisionVolumes;
+	LLAvatarJointCollisionVolume* mCollisionVolumes;
+protected:
+	BOOL		allocateCollisionVolumes(U32 num);
+
+/**                    Physics
+ **                                                                            **
+ *******************************************************************************/
+
+/********************************************************************************
+ **                                                                            **
+ **                    SUPPORT CLASSES
+ **/
+
+	struct LLAvatarXmlInfo
+	{
+		LLAvatarXmlInfo();
+		~LLAvatarXmlInfo();
+
+		BOOL 	parseXmlSkeletonNode(LLXmlTreeNode* root);
+		BOOL 	parseXmlMeshNodes(LLXmlTreeNode* root);
+		BOOL 	parseXmlColorNodes(LLXmlTreeNode* root);
+		BOOL 	parseXmlLayerNodes(LLXmlTreeNode* root);
+		BOOL 	parseXmlDriverNodes(LLXmlTreeNode* root);
+		BOOL	parseXmlMorphNodes(LLXmlTreeNode* root);
+
+		struct LLAvatarMeshInfo
+		{
+			typedef std::pair<LLViewerVisualParamInfo*,BOOL> morph_info_pair_t; // LLPolyMorphTargetInfo stored here
+			typedef std::vector<morph_info_pair_t> morph_info_list_t;
+
+			LLAvatarMeshInfo() : mLOD(0), mMinPixelArea(.1f) {}
+			~LLAvatarMeshInfo()
+			{
+				morph_info_list_t::iterator iter;
+				for (iter = mPolyMorphTargetInfoList.begin(); iter != mPolyMorphTargetInfoList.end(); iter++)
+				{
+					delete iter->first;
+				}
+				mPolyMorphTargetInfoList.clear();
+			}
+
+			std::string mType;
+			S32			mLOD;
+			std::string	mMeshFileName;
+			std::string	mReferenceMeshName;
+			F32			mMinPixelArea;
+			morph_info_list_t mPolyMorphTargetInfoList;
+		};
+		typedef std::vector<LLAvatarMeshInfo*> mesh_info_list_t;
+		mesh_info_list_t mMeshInfoList;
+
+		typedef std::vector<LLViewerVisualParamInfo*> skeletal_distortion_info_list_t; // LLPolySkeletalDistortionInfo stored here
+		skeletal_distortion_info_list_t mSkeletalDistortionInfoList;
+
+		struct LLAvatarAttachmentInfo
+		{
+			LLAvatarAttachmentInfo()
+				: mGroup(-1), mAttachmentID(-1), mPieMenuSlice(-1), mVisibleFirstPerson(FALSE),
+				  mIsHUDAttachment(FALSE), mHasPosition(FALSE), mHasRotation(FALSE) {}
+			std::string mName;
+			std::string mJointName;
+			LLVector3 mPosition;
+			LLVector3 mRotationEuler;
+			S32 mGroup;
+			S32 mAttachmentID;
+			S32 mPieMenuSlice;
+			BOOL mVisibleFirstPerson;
+			BOOL mIsHUDAttachment;
+			BOOL mHasPosition;
+			BOOL mHasRotation;
+		};
+		typedef std::vector<LLAvatarAttachmentInfo*> attachment_info_list_t;
+		attachment_info_list_t mAttachmentInfoList;
+
+		LLTexGlobalColorInfo *mTexSkinColorInfo;
+		LLTexGlobalColorInfo *mTexHairColorInfo;
+		LLTexGlobalColorInfo *mTexEyeColorInfo;
+
+		typedef std::vector<LLTexLayerSetInfo*> layer_info_list_t;
+		layer_info_list_t mLayerInfoList;
+
+		typedef std::vector<LLDriverParamInfo*> driver_info_list_t;
+		driver_info_list_t mDriverInfoList;
+
+		struct LLAvatarMorphInfo
+		{
+			LLAvatarMorphInfo()
+				: mInvert(FALSE) {}
+			std::string mName;
+			std::string mRegion;
+			std::string mLayer;
+			BOOL mInvert;
+		};
+
+		typedef std::vector<LLAvatarMorphInfo*> morph_info_list_t;
+		morph_info_list_t	mMorphMaskInfoList;
+	};
+
+
+	class LLMaskedMorph
+	{
+	public:
+		LLMaskedMorph(LLVisualParam *morph_target, BOOL invert, std::string layer);
+
+		LLVisualParam	*mMorphTarget;
+		BOOL				mInvert;
+		std::string			mLayer;
+	};
+/**                    Support Classes
+ **                                                                            **
+ *******************************************************************************/
+};
+
+#endif // LL_AVATAR_APPEARANCE_H
diff --git a/indra/llappearance/llavatarappearancedefines.cpp b/indra/llappearance/llavatarappearancedefines.cpp
new file mode 100644
index 0000000000..f1c78946a1
--- /dev/null
+++ b/indra/llappearance/llavatarappearancedefines.cpp
@@ -0,0 +1,268 @@
+/** 
+ * @file llavatarappearancedefines.cpp
+ * @brief Implementation of LLAvatarAppearanceDefines::LLAvatarAppearanceDictionary 
+ *
+ * $LicenseInfo:firstyear=2001&license=viewerlgpl$
+ * 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
+ * $/LicenseInfo$
+ */
+
+#include "linden_common.h"
+#include "llavatarappearancedefines.h"
+
+const S32 LLAvatarAppearanceDefines::SCRATCH_TEX_WIDTH = 512;
+const S32 LLAvatarAppearanceDefines::SCRATCH_TEX_HEIGHT = 512;
+const S32 LLAvatarAppearanceDefines::IMPOSTOR_PERIOD = 2;
+
+using namespace LLAvatarAppearanceDefines;
+
+/*********************************************************************************
+ * Edit this function to add/remove/change textures and mesh definitions for avatars.
+ */
+
+LLAvatarAppearanceDictionary::Textures::Textures()
+{
+	addEntry(TEX_HEAD_BODYPAINT,              new TextureEntry("head_bodypaint",   TRUE,  BAKED_NUM_INDICES, "",                          LLWearableType::WT_SKIN));
+	addEntry(TEX_UPPER_SHIRT,                 new TextureEntry("upper_shirt",      TRUE,  BAKED_NUM_INDICES, "UIImgDefaultShirtUUID",     LLWearableType::WT_SHIRT));
+	addEntry(TEX_LOWER_PANTS,                 new TextureEntry("lower_pants",      TRUE,  BAKED_NUM_INDICES, "UIImgDefaultPantsUUID",     LLWearableType::WT_PANTS));
+	addEntry(TEX_EYES_IRIS,                   new TextureEntry("eyes_iris",        TRUE,  BAKED_NUM_INDICES, "UIImgDefaultEyesUUID",      LLWearableType::WT_EYES));
+	addEntry(TEX_HAIR,                        new TextureEntry("hair_grain",       TRUE,  BAKED_NUM_INDICES, "UIImgDefaultHairUUID",      LLWearableType::WT_HAIR));
+	addEntry(TEX_UPPER_BODYPAINT,             new TextureEntry("upper_bodypaint",  TRUE,  BAKED_NUM_INDICES, "",                          LLWearableType::WT_SKIN));
+	addEntry(TEX_LOWER_BODYPAINT,             new TextureEntry("lower_bodypaint",  TRUE,  BAKED_NUM_INDICES, "",                          LLWearableType::WT_SKIN));
+	addEntry(TEX_LOWER_SHOES,                 new TextureEntry("lower_shoes",      TRUE,  BAKED_NUM_INDICES, "UIImgDefaultShoesUUID",     LLWearableType::WT_SHOES));
+	addEntry(TEX_LOWER_SOCKS,                 new TextureEntry("lower_socks",      TRUE,  BAKED_NUM_INDICES, "UIImgDefaultSocksUUID",     LLWearableType::WT_SOCKS));
+	addEntry(TEX_UPPER_JACKET,                new TextureEntry("upper_jacket",     TRUE,  BAKED_NUM_INDICES, "UIImgDefaultJacketUUID",    LLWearableType::WT_JACKET));
+	addEntry(TEX_LOWER_JACKET,                new TextureEntry("lower_jacket",     TRUE,  BAKED_NUM_INDICES, "UIImgDefaultJacketUUID",    LLWearableType::WT_JACKET));
+	addEntry(TEX_UPPER_GLOVES,                new TextureEntry("upper_gloves",     TRUE,  BAKED_NUM_INDICES, "UIImgDefaultGlovesUUID",    LLWearableType::WT_GLOVES));
+	addEntry(TEX_UPPER_UNDERSHIRT,            new TextureEntry("upper_undershirt", TRUE,  BAKED_NUM_INDICES, "UIImgDefaultUnderwearUUID", LLWearableType::WT_UNDERSHIRT));
+	addEntry(TEX_LOWER_UNDERPANTS,            new TextureEntry("lower_underpants", TRUE,  BAKED_NUM_INDICES, "UIImgDefaultUnderwearUUID", LLWearableType::WT_UNDERPANTS));
+	addEntry(TEX_SKIRT,                       new TextureEntry("skirt",            TRUE,  BAKED_NUM_INDICES, "UIImgDefaultSkirtUUID",     LLWearableType::WT_SKIRT));
+
+	addEntry(TEX_LOWER_ALPHA,                 new TextureEntry("lower_alpha",      TRUE,  BAKED_NUM_INDICES, "UIImgDefaultAlphaUUID",     LLWearableType::WT_ALPHA));
+	addEntry(TEX_UPPER_ALPHA,                 new TextureEntry("upper_alpha",      TRUE,  BAKED_NUM_INDICES, "UIImgDefaultAlphaUUID",     LLWearableType::WT_ALPHA));
+	addEntry(TEX_HEAD_ALPHA,                  new TextureEntry("head_alpha",       TRUE,  BAKED_NUM_INDICES, "UIImgDefaultAlphaUUID",     LLWearableType::WT_ALPHA));
+	addEntry(TEX_EYES_ALPHA,                  new TextureEntry("eyes_alpha",       TRUE,  BAKED_NUM_INDICES, "UIImgDefaultAlphaUUID",     LLWearableType::WT_ALPHA));
+	addEntry(TEX_HAIR_ALPHA,                  new TextureEntry("hair_alpha",       TRUE,  BAKED_NUM_INDICES, "UIImgDefaultAlphaUUID",     LLWearableType::WT_ALPHA));
+
+	addEntry(TEX_HEAD_TATTOO,                 new TextureEntry("head_tattoo",      TRUE,  BAKED_NUM_INDICES, "",     LLWearableType::WT_TATTOO));
+	addEntry(TEX_UPPER_TATTOO,                new TextureEntry("upper_tattoo",     TRUE,  BAKED_NUM_INDICES, "",     LLWearableType::WT_TATTOO));
+	addEntry(TEX_LOWER_TATTOO,                new TextureEntry("lower_tattoo",     TRUE,  BAKED_NUM_INDICES, "",     LLWearableType::WT_TATTOO));
+
+	addEntry(TEX_HEAD_BAKED,                  new TextureEntry("head-baked",       FALSE, BAKED_HEAD, "head"));
+	addEntry(TEX_UPPER_BAKED,                 new TextureEntry("upper-baked",      FALSE, BAKED_UPPER, "upper"));
+	addEntry(TEX_LOWER_BAKED,                 new TextureEntry("lower-baked",      FALSE, BAKED_LOWER, "lower"));
+	addEntry(TEX_EYES_BAKED,                  new TextureEntry("eyes-baked",       FALSE, BAKED_EYES, "eyes"));
+	addEntry(TEX_HAIR_BAKED,                  new TextureEntry("hair-baked",       FALSE, BAKED_HAIR, "hair"));
+	addEntry(TEX_SKIRT_BAKED,                 new TextureEntry("skirt-baked",      FALSE, BAKED_SKIRT, "skirt"));
+}
+
+LLAvatarAppearanceDictionary::BakedTextures::BakedTextures()
+{
+	// Baked textures
+	addEntry(BAKED_HEAD,       new BakedEntry(TEX_HEAD_BAKED,  
+											  "head", "a4b9dc38-e13b-4df9-b284-751efb0566ff", 
+											  3, TEX_HEAD_BODYPAINT, TEX_HEAD_TATTOO, TEX_HEAD_ALPHA,
+											  5, LLWearableType::WT_SHAPE, LLWearableType::WT_SKIN, LLWearableType::WT_HAIR, LLWearableType::WT_TATTOO, LLWearableType::WT_ALPHA));
+
+	addEntry(BAKED_UPPER,      new BakedEntry(TEX_UPPER_BAKED, 
+											  "upper_body", "5943ff64-d26c-4a90-a8c0-d61f56bd98d4", 
+											  7, TEX_UPPER_SHIRT,TEX_UPPER_BODYPAINT, TEX_UPPER_JACKET,
+											  TEX_UPPER_GLOVES, TEX_UPPER_UNDERSHIRT, TEX_UPPER_TATTOO, TEX_UPPER_ALPHA,
+											  8, LLWearableType::WT_SHAPE, LLWearableType::WT_SKIN,	LLWearableType::WT_SHIRT, LLWearableType::WT_JACKET, LLWearableType::WT_GLOVES, LLWearableType::WT_UNDERSHIRT, LLWearableType::WT_TATTOO, LLWearableType::WT_ALPHA));											  
+
+	addEntry(BAKED_LOWER,      new BakedEntry(TEX_LOWER_BAKED, 
+											  "lower_body", "2944ee70-90a7-425d-a5fb-d749c782ed7d",
+											  8, TEX_LOWER_PANTS,TEX_LOWER_BODYPAINT,TEX_LOWER_SHOES, TEX_LOWER_SOCKS,
+											  TEX_LOWER_JACKET, TEX_LOWER_UNDERPANTS, TEX_LOWER_TATTOO, TEX_LOWER_ALPHA,
+											  9, LLWearableType::WT_SHAPE, LLWearableType::WT_SKIN,	LLWearableType::WT_PANTS, LLWearableType::WT_SHOES,	 LLWearableType::WT_SOCKS,  LLWearableType::WT_JACKET, LLWearableType::WT_UNDERPANTS, LLWearableType::WT_TATTOO, LLWearableType::WT_ALPHA));
+
+	addEntry(BAKED_EYES,       new BakedEntry(TEX_EYES_BAKED,  
+											  "eyes", "27b1bc0f-979f-4b13-95fe-b981c2ba9788",
+											  2, TEX_EYES_IRIS, TEX_EYES_ALPHA,
+											  2, LLWearableType::WT_EYES, LLWearableType::WT_ALPHA));
+
+	addEntry(BAKED_SKIRT,      new BakedEntry(TEX_SKIRT_BAKED,
+											  "skirt", "03e7e8cb-1368-483b-b6f3-74850838ba63", 
+											  1, TEX_SKIRT,
+											  1, LLWearableType::WT_SKIRT));
+
+	addEntry(BAKED_HAIR,       new BakedEntry(TEX_HAIR_BAKED,
+											  "hair", "a60e85a9-74e8-48d8-8a2d-8129f28d9b61", 
+											  2, TEX_HAIR, TEX_HAIR_ALPHA,
+											  2, LLWearableType::WT_HAIR, LLWearableType::WT_ALPHA));
+}
+
+LLAvatarAppearanceDictionary::MeshEntries::MeshEntries()
+{
+	// MeshEntries
+	addEntry(MESH_ID_HAIR,             new MeshEntry(BAKED_HAIR,  "hairMesh",         6, PN_4));
+	addEntry(MESH_ID_HEAD,             new MeshEntry(BAKED_HEAD,  "headMesh",         5, PN_5));
+	addEntry(MESH_ID_EYELASH,          new MeshEntry(BAKED_HEAD,  "eyelashMesh",      1, PN_0)); // no baked mesh associated currently
+	addEntry(MESH_ID_UPPER_BODY,       new MeshEntry(BAKED_UPPER, "upperBodyMesh",    5, PN_1));
+	addEntry(MESH_ID_LOWER_BODY,       new MeshEntry(BAKED_LOWER, "lowerBodyMesh",    5, PN_2));
+	addEntry(MESH_ID_EYEBALL_LEFT,     new MeshEntry(BAKED_EYES,  "eyeBallLeftMesh",  2, PN_3));
+	addEntry(MESH_ID_EYEBALL_RIGHT,    new MeshEntry(BAKED_EYES,  "eyeBallRightMesh", 2, PN_3));
+	addEntry(MESH_ID_SKIRT,            new MeshEntry(BAKED_SKIRT, "skirtMesh",        5, PN_5));
+}
+
+/*
+ *
+ *********************************************************************************/
+
+LLAvatarAppearanceDictionary::LLAvatarAppearanceDictionary()
+{
+	createAssociations();
+}
+
+//virtual 
+LLAvatarAppearanceDictionary::~LLAvatarAppearanceDictionary()
+{
+}
+
+// Baked textures are composites of textures; for each such composited texture,
+// map it to the baked texture.
+void LLAvatarAppearanceDictionary::createAssociations()
+{
+	for (BakedTextures::const_iterator iter = mBakedTextures.begin(); iter != mBakedTextures.end(); iter++)
+	{
+		const EBakedTextureIndex baked_index = (iter->first);
+		const BakedEntry *dict = (iter->second);
+
+		// For each texture that this baked texture index affects, associate those textures
+		// with this baked texture index.
+		for (texture_vec_t::const_iterator local_texture_iter = dict->mLocalTextures.begin();
+			 local_texture_iter != dict->mLocalTextures.end();
+			 local_texture_iter++)
+		{
+			const ETextureIndex local_texture_index = (ETextureIndex) *local_texture_iter;
+			mTextures[local_texture_index]->mIsUsedByBakedTexture = true;
+			mTextures[local_texture_index]->mBakedTextureIndex = baked_index;
+		}
+	}
+		
+}
+
+LLAvatarAppearanceDictionary::TextureEntry::TextureEntry(const std::string &name,
+												 bool is_local_texture, 
+												 EBakedTextureIndex baked_texture_index,
+												 const std::string &default_image_name,
+												 LLWearableType::EType wearable_type) :
+	LLDictionaryEntry(name),
+	mIsLocalTexture(is_local_texture),
+	mIsBakedTexture(!is_local_texture),
+	mIsUsedByBakedTexture(baked_texture_index != BAKED_NUM_INDICES),
+	mBakedTextureIndex(baked_texture_index),
+	mDefaultImageName(default_image_name),
+	mWearableType(wearable_type)
+{
+}
+
+LLAvatarAppearanceDictionary::MeshEntry::MeshEntry(EBakedTextureIndex baked_index, 
+										   const std::string &name, 
+										   U8 level,
+										   LLJointPickName pick) :
+	LLDictionaryEntry(name),
+	mBakedID(baked_index),
+	mLOD(level),
+	mPickName(pick)
+{
+}
+LLAvatarAppearanceDictionary::BakedEntry::BakedEntry(ETextureIndex tex_index, 
+											 const std::string &name, 
+											 const std::string &hash_name,
+											 U32 num_local_textures,
+											 ... ) :
+	LLDictionaryEntry(name),
+	mWearablesHashID(LLUUID(hash_name)),
+	mTextureIndex(tex_index)
+{
+	va_list argp;
+
+	va_start(argp, num_local_textures);
+
+	// Read in local textures
+	for (U8 i=0; i < num_local_textures; i++)
+	{
+		ETextureIndex t = (ETextureIndex)va_arg(argp,int);
+		mLocalTextures.push_back(t);
+	}
+
+	// Read in number of wearables
+	const U32 num_wearables = (U32)va_arg(argp,int);
+	// Read in wearables
+	for (U8 i=0; i < num_wearables; i++)
+	{
+		LLWearableType::EType t = (LLWearableType::EType)va_arg(argp,int);
+		mWearables.push_back(t);
+	}
+}
+
+// static
+ETextureIndex LLAvatarAppearanceDictionary::bakedToLocalTextureIndex(EBakedTextureIndex index)
+{
+	return LLAvatarAppearanceDictionary::getInstance()->getBakedTexture(index)->mTextureIndex;
+}
+
+// static
+EBakedTextureIndex LLAvatarAppearanceDictionary::findBakedByRegionName(std::string name)
+{
+	U8 index = 0;
+	while (index < BAKED_NUM_INDICES)
+	{
+		const BakedEntry *be = LLAvatarAppearanceDictionary::getInstance()->getBakedTexture((EBakedTextureIndex) index);
+		if (be && be->mName.compare(name) == 0)
+		{
+			// baked texture found
+			return (EBakedTextureIndex) index;
+		}
+		index++;
+	}
+	// baked texture could not be found
+	return BAKED_NUM_INDICES;
+}
+
+// static 
+EBakedTextureIndex LLAvatarAppearanceDictionary::findBakedByImageName(std::string name)
+{
+	U8 index = 0;
+	while (index < BAKED_NUM_INDICES)
+	{
+		const BakedEntry *be = LLAvatarAppearanceDictionary::getInstance()->getBakedTexture((EBakedTextureIndex) index);
+		if (be)
+		{
+			const TextureEntry *te = LLAvatarAppearanceDictionary::getInstance()->getTexture(be->mTextureIndex);
+			if (te && te->mDefaultImageName.compare(name) == 0)
+			{
+				// baked texture found
+				return (EBakedTextureIndex) index;
+			}
+		}
+		index++;
+	}
+	// baked texture could not be found
+	return BAKED_NUM_INDICES;
+}
+
+// static
+LLWearableType::EType LLAvatarAppearanceDictionary::getTEWearableType(ETextureIndex index )
+{
+	return getInstance()->getTexture(index)->mWearableType;
+}
+
diff --git a/indra/llappearance/llavatarappearancedefines.h b/indra/llappearance/llavatarappearancedefines.h
new file mode 100644
index 0000000000..8a1d2c4707
--- /dev/null
+++ b/indra/llappearance/llavatarappearancedefines.h
@@ -0,0 +1,231 @@
+/** 
+ * @file llavatarappearancedefines.h
+ * @brief Various LLAvatarAppearance related definitions
+ * LLViewerObject
+ *
+ * $LicenseInfo:firstyear=2001&license=viewerlgpl$
+ * 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
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_AVATARAPPEARANCE_DEFINES_H
+#define LL_AVATARAPPEARANCE_DEFINES_H
+
+#include <vector>
+#include "lljointpickname.h"
+#include "lldictionary.h"
+#include "llwearabletype.h"
+#include "lluuid.h"
+
+namespace LLAvatarAppearanceDefines
+{
+
+extern const S32 SCRATCH_TEX_WIDTH;
+extern const S32 SCRATCH_TEX_HEIGHT;
+extern const S32 IMPOSTOR_PERIOD;
+
+static const U32 AVATAR_HOVER = 11001;
+
+//--------------------------------------------------------------------
+// Enums
+//--------------------------------------------------------------------
+enum ETextureIndex
+{
+	TEX_INVALID = -1,
+	TEX_HEAD_BODYPAINT = 0,
+	TEX_UPPER_SHIRT,
+	TEX_LOWER_PANTS,
+	TEX_EYES_IRIS,
+	TEX_HAIR,
+	TEX_UPPER_BODYPAINT,
+	TEX_LOWER_BODYPAINT,
+	TEX_LOWER_SHOES,
+	TEX_HEAD_BAKED,		// Pre-composited
+	TEX_UPPER_BAKED,	// Pre-composited
+	TEX_LOWER_BAKED,	// Pre-composited
+	TEX_EYES_BAKED,		// Pre-composited
+	TEX_LOWER_SOCKS,
+	TEX_UPPER_JACKET,
+	TEX_LOWER_JACKET,
+	TEX_UPPER_GLOVES,
+	TEX_UPPER_UNDERSHIRT,
+	TEX_LOWER_UNDERPANTS,
+	TEX_SKIRT,
+	TEX_SKIRT_BAKED,	// Pre-composited
+	TEX_HAIR_BAKED,     // Pre-composited
+	TEX_LOWER_ALPHA,
+	TEX_UPPER_ALPHA,
+	TEX_HEAD_ALPHA,
+	TEX_EYES_ALPHA,
+	TEX_HAIR_ALPHA,
+	TEX_HEAD_TATTOO,
+	TEX_UPPER_TATTOO,
+	TEX_LOWER_TATTOO,
+	TEX_NUM_INDICES
+}; 
+
+enum EBakedTextureIndex
+{
+	BAKED_HEAD = 0,
+	BAKED_UPPER,
+	BAKED_LOWER,
+	BAKED_EYES,
+	BAKED_SKIRT,
+	BAKED_HAIR,
+	BAKED_NUM_INDICES
+};
+
+// Reference IDs for each mesh. Used as indices for vector of joints
+enum EMeshIndex
+{
+	MESH_ID_HAIR = 0,
+	MESH_ID_HEAD,
+	MESH_ID_EYELASH,
+	MESH_ID_UPPER_BODY,
+	MESH_ID_LOWER_BODY,
+	MESH_ID_EYEBALL_LEFT,
+	MESH_ID_EYEBALL_RIGHT,
+	MESH_ID_SKIRT,
+	MESH_ID_NUM_INDICES
+};
+
+//--------------------------------------------------------------------
+// Vector Types
+//--------------------------------------------------------------------
+typedef std::vector<ETextureIndex> texture_vec_t;
+typedef std::vector<EBakedTextureIndex> bakedtexture_vec_t;
+typedef std::vector<EMeshIndex> mesh_vec_t;
+typedef std::vector<LLWearableType::EType> wearables_vec_t;
+
+//------------------------------------------------------------------------
+// LLAvatarAppearanceDictionary
+// 
+// Holds dictionary static entries for textures, baked textures, meshes, etc.; i.e.
+// information that is common to all avatars.
+// 
+// This holds const data - it is initialized once and the contents never change after that.
+//------------------------------------------------------------------------
+class LLAvatarAppearanceDictionary : public LLSingleton<LLAvatarAppearanceDictionary>
+{
+	//--------------------------------------------------------------------
+	// Constructors and Destructors
+	//--------------------------------------------------------------------
+public:
+	LLAvatarAppearanceDictionary();
+	virtual ~LLAvatarAppearanceDictionary();
+private:
+	void createAssociations();
+	
+	//--------------------------------------------------------------------
+	// Local and baked textures
+	//--------------------------------------------------------------------
+public:
+	struct TextureEntry : public LLDictionaryEntry
+	{
+		TextureEntry(const std::string &name, // this must match the xml name used by LLTexLayerInfo::parseXml
+					 bool is_local_texture, 
+					 EBakedTextureIndex baked_texture_index = BAKED_NUM_INDICES,
+					 const std::string& default_image_name = "",
+					 LLWearableType::EType wearable_type = LLWearableType::WT_INVALID);
+		const std::string 	mDefaultImageName;
+		const LLWearableType::EType mWearableType;
+		// It's either a local texture xor baked
+		BOOL 				mIsLocalTexture;
+		BOOL 				mIsBakedTexture;
+		// If it's a local texture, it may be used by a baked texture
+		BOOL 				mIsUsedByBakedTexture;
+		EBakedTextureIndex 	mBakedTextureIndex;
+	};
+
+	struct Textures : public LLDictionary<ETextureIndex, TextureEntry>
+	{
+		Textures();
+	} mTextures;
+	const TextureEntry*		getTexture(ETextureIndex index) const { return mTextures.lookup(index); }
+	const Textures&			getTextures() const { return mTextures; }
+	
+	//--------------------------------------------------------------------
+	// Meshes
+	//--------------------------------------------------------------------
+public:
+	struct MeshEntry : public LLDictionaryEntry
+	{
+		MeshEntry(EBakedTextureIndex baked_index, 
+				  const std::string &name, // names of mesh types as they are used in avatar_lad.xml
+				  U8 level,
+				  LLJointPickName pick);
+		// Levels of Detail for each mesh.  Must match levels of detail present in avatar_lad.xml
+        // Otherwise meshes will be unable to be found, or levels of detail will be ignored
+		const U8 						mLOD;
+		const EBakedTextureIndex 		mBakedID;
+		const LLJointPickName 	mPickName;
+	};
+
+	struct MeshEntries : public LLDictionary<EMeshIndex, MeshEntry>
+	{
+		MeshEntries();
+	} mMeshEntries;
+	const MeshEntry*		getMeshEntry(EMeshIndex index) const { return mMeshEntries.lookup(index); }
+	const MeshEntries&		getMeshEntries() const { return mMeshEntries; }
+
+	//--------------------------------------------------------------------
+	// Baked Textures
+	//--------------------------------------------------------------------
+public:
+	struct BakedEntry : public LLDictionaryEntry
+	{
+		BakedEntry(ETextureIndex tex_index, 
+				   const std::string &name, // unused, but necessary for templating.
+				   const std::string &hash_name,
+				   U32 num_local_textures, ... ); // # local textures, local texture list, # wearables, wearable list
+		// Local Textures
+		const ETextureIndex mTextureIndex;
+		texture_vec_t 		mLocalTextures;
+		// Wearables
+		const LLUUID 		mWearablesHashID;
+		wearables_vec_t 	mWearables;
+	};
+
+	struct BakedTextures: public LLDictionary<EBakedTextureIndex, BakedEntry>
+	{
+		BakedTextures();
+	} mBakedTextures;
+	const BakedEntry*		getBakedTexture(EBakedTextureIndex index) const { return mBakedTextures.lookup(index); }
+	const BakedTextures&	getBakedTextures() const { return mBakedTextures; }
+	
+	//--------------------------------------------------------------------
+	// Convenience Functions
+	//--------------------------------------------------------------------
+public:
+	// Convert from baked texture to associated texture; e.g. BAKED_HEAD -> TEX_HEAD_BAKED
+	static ETextureIndex 		bakedToLocalTextureIndex(EBakedTextureIndex t);
+
+	// find a baked texture index based on its name
+	static EBakedTextureIndex 	findBakedByRegionName(std::string name);
+	static EBakedTextureIndex 	findBakedByImageName(std::string name);
+
+	// Given a texture entry, determine which wearable type owns it.
+	static LLWearableType::EType 		getTEWearableType(ETextureIndex index);
+
+}; // End LLAvatarAppearanceDictionary
+
+} // End namespace LLAvatarAppearanceDefines
+
+#endif //LL_AVATARAPPEARANCE_DEFINES_H
diff --git a/indra/llappearance/llavatarjoint.cpp b/indra/llappearance/llavatarjoint.cpp
new file mode 100644
index 0000000000..6ab341af64
--- /dev/null
+++ b/indra/llappearance/llavatarjoint.cpp
@@ -0,0 +1,326 @@
+/** 
+ * @file llavatarjoint.cpp
+ * @brief Implementation of LLAvatarJoint 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 "llavatarjoint.h"
+
+#include "llgl.h"
+#include "llrender.h"
+#include "llmath.h"
+#include "llglheaders.h"
+#include "llavatarappearance.h"
+
+const F32 DEFAULT_AVATAR_JOINT_LOD = 0.0f;
+
+//-----------------------------------------------------------------------------
+// Static Data
+//-----------------------------------------------------------------------------
+BOOL					LLAvatarJoint::sDisableLOD = FALSE;
+
+//-----------------------------------------------------------------------------
+// LLAvatarJoint()
+// Class Constructors
+//-----------------------------------------------------------------------------
+LLAvatarJoint::LLAvatarJoint() :
+	LLJoint()
+{
+	init();
+}
+
+LLAvatarJoint::LLAvatarJoint(const std::string &name, LLJoint *parent) :
+	LLJoint(name, parent)
+{
+	init();
+}
+
+LLAvatarJoint::LLAvatarJoint(S32 joint_num) :
+	LLJoint(joint_num)
+{
+	init();
+}
+
+
+void LLAvatarJoint::init()
+{
+	mValid = FALSE;
+	mComponents = SC_JOINT | SC_BONE | SC_AXES;
+	mMinPixelArea = DEFAULT_AVATAR_JOINT_LOD;
+	mPickName = PN_DEFAULT;
+	mVisible = TRUE;
+	mMeshID = 0;
+	mIsTransparent = FALSE;
+}
+
+
+//-----------------------------------------------------------------------------
+// ~LLAvatarJoint()
+// Class Destructor
+//-----------------------------------------------------------------------------
+LLAvatarJoint::~LLAvatarJoint()
+{
+}
+
+
+//--------------------------------------------------------------------
+// setValid()
+//--------------------------------------------------------------------
+void LLAvatarJoint::setValid( BOOL valid, BOOL recursive )
+{
+	//----------------------------------------------------------------
+	// set visibility for this joint
+	//----------------------------------------------------------------
+	mValid = valid;
+	
+	//----------------------------------------------------------------
+	// set visibility for children
+	//----------------------------------------------------------------
+	if (recursive)
+	{
+		for (child_list_t::iterator iter = mChildren.begin();
+			 iter != mChildren.end(); ++iter)
+		{
+			LLAvatarJoint* joint = (LLAvatarJoint*)(*iter);
+			joint->setValid(valid, TRUE);
+		}
+	}
+
+}
+
+//--------------------------------------------------------------------
+// setSkeletonComponents()
+//--------------------------------------------------------------------
+void LLAvatarJoint::setSkeletonComponents( U32 comp, BOOL recursive )
+{
+	mComponents = comp;
+	if (recursive)
+	{
+		for (child_list_t::iterator iter = mChildren.begin();
+			 iter != mChildren.end(); ++iter)
+		{
+			LLAvatarJoint* joint = dynamic_cast<LLAvatarJoint*>(*iter);
+			joint->setSkeletonComponents(comp, recursive);
+		}
+	}
+}
+
+void LLAvatarJoint::setVisible(BOOL visible, BOOL recursive)
+{
+	mVisible = visible;
+
+	if (recursive)
+	{
+		for (child_list_t::iterator iter = mChildren.begin();
+			 iter != mChildren.end(); ++iter)
+		{
+			LLAvatarJoint* joint = (LLAvatarJoint*)(*iter);
+			joint->setVisible(visible, recursive);
+		}
+	}
+}
+
+void LLAvatarJoint::updateFaceSizes(U32 &num_vertices, U32& num_indices, F32 pixel_area)
+{
+	for (child_list_t::iterator iter = mChildren.begin();
+		 iter != mChildren.end(); ++iter)
+	{
+		LLAvatarJoint* joint = dynamic_cast<LLAvatarJoint*>(*iter);
+		joint->updateFaceSizes(num_vertices, num_indices, pixel_area);
+	}
+}
+
+void LLAvatarJoint::updateFaceData(LLFace *face, F32 pixel_area, BOOL damp_wind, bool terse_update)
+{
+	for (child_list_t::iterator iter = mChildren.begin();
+		 iter != mChildren.end(); ++iter)
+	{
+		LLAvatarJoint* joint = dynamic_cast<LLAvatarJoint*>(*iter);
+		joint->updateFaceData(face, pixel_area, damp_wind, terse_update);
+	}
+}
+
+void LLAvatarJoint::updateJointGeometry()
+{
+	for (child_list_t::iterator iter = mChildren.begin();
+		 iter != mChildren.end(); ++iter)
+	{
+		LLAvatarJoint* joint = dynamic_cast<LLAvatarJoint*>(*iter);
+		joint->updateJointGeometry();
+	}
+}
+
+
+BOOL LLAvatarJoint::updateLOD(F32 pixel_area, BOOL activate)
+{
+	BOOL lod_changed = FALSE;
+	BOOL found_lod = FALSE;
+
+	for (child_list_t::iterator iter = mChildren.begin();
+		 iter != mChildren.end(); ++iter)
+	{
+		LLAvatarJoint* joint = dynamic_cast<LLAvatarJoint*>(*iter);
+		F32 jointLOD = joint->getLOD();
+		
+		if (found_lod || jointLOD == DEFAULT_AVATAR_JOINT_LOD)
+		{
+			// we've already found a joint to enable, so enable the rest as alternatives
+			lod_changed |= joint->updateLOD(pixel_area, TRUE);
+		}
+		else
+		{
+			if (pixel_area >= jointLOD || sDisableLOD)
+			{
+				lod_changed |= joint->updateLOD(pixel_area, TRUE);
+				found_lod = TRUE;
+			}
+			else
+			{
+				lod_changed |= joint->updateLOD(pixel_area, FALSE);
+			}
+		}
+	}
+	return lod_changed;
+}
+
+void LLAvatarJoint::dump()
+{
+	for (child_list_t::iterator iter = mChildren.begin();
+		 iter != mChildren.end(); ++iter)
+	{
+		LLAvatarJoint* joint = dynamic_cast<LLAvatarJoint*>(*iter);
+		joint->dump();
+	}
+}
+
+
+void LLAvatarJoint::setMeshesToChildren()
+{
+	removeAllChildren();
+	for (avatar_joint_mesh_list_t::iterator iter = mMeshParts.begin();
+		iter != mMeshParts.end(); iter++)
+	{
+		addChild((*iter));
+	}
+}
+//-----------------------------------------------------------------------------
+// LLAvatarJointCollisionVolume()
+//-----------------------------------------------------------------------------
+
+LLAvatarJointCollisionVolume::LLAvatarJointCollisionVolume()
+{
+	mUpdateXform = FALSE;
+}
+
+/*virtual*/
+U32 LLAvatarJointCollisionVolume::render( F32 pixelArea, BOOL first_pass, BOOL is_dummy )
+{
+	llerrs << "Cannot call render() on LLAvatarJointCollisionVolume" << llendl;
+	return 0;
+}
+
+LLVector3 LLAvatarJointCollisionVolume::getVolumePos(LLVector3 &offset)
+{
+	mUpdateXform = TRUE;
+	
+	LLVector3 result = offset;
+	result.scaleVec(getScale());
+	result.rotVec(getWorldRotation());
+	result += getWorldPosition();
+
+	return result;
+}
+
+void LLAvatarJointCollisionVolume::renderCollision()
+{
+	updateWorldMatrix();
+	
+	gGL.pushMatrix();
+	gGL.multMatrix( &mXform.getWorldMatrix().mMatrix[0][0] );
+
+	gGL.diffuseColor3f( 0.f, 0.f, 1.f );
+	
+	gGL.begin(LLRender::LINES);
+	
+	LLVector3 v[] = 
+	{
+		LLVector3(1,0,0),
+		LLVector3(-1,0,0),
+		LLVector3(0,1,0),
+		LLVector3(0,-1,0),
+
+		LLVector3(0,0,-1),
+		LLVector3(0,0,1),
+	};
+
+	//sides
+	gGL.vertex3fv(v[0].mV); 
+	gGL.vertex3fv(v[2].mV);
+
+	gGL.vertex3fv(v[0].mV); 
+	gGL.vertex3fv(v[3].mV);
+
+	gGL.vertex3fv(v[1].mV); 
+	gGL.vertex3fv(v[2].mV);
+
+	gGL.vertex3fv(v[1].mV); 
+	gGL.vertex3fv(v[3].mV);
+
+
+	//top
+	gGL.vertex3fv(v[0].mV); 
+	gGL.vertex3fv(v[4].mV);
+
+	gGL.vertex3fv(v[1].mV); 
+	gGL.vertex3fv(v[4].mV);
+
+	gGL.vertex3fv(v[2].mV); 
+	gGL.vertex3fv(v[4].mV);
+
+	gGL.vertex3fv(v[3].mV); 
+	gGL.vertex3fv(v[4].mV);
+
+
+	//bottom
+	gGL.vertex3fv(v[0].mV); 
+	gGL.vertex3fv(v[5].mV);
+
+	gGL.vertex3fv(v[1].mV); 
+	gGL.vertex3fv(v[5].mV);
+
+	gGL.vertex3fv(v[2].mV); 
+	gGL.vertex3fv(v[5].mV);
+
+	gGL.vertex3fv(v[3].mV); 
+	gGL.vertex3fv(v[5].mV);
+
+	gGL.end();
+
+	gGL.popMatrix();
+}
+
+
+// End
diff --git a/indra/llappearance/llavatarjoint.h b/indra/llappearance/llavatarjoint.h
new file mode 100644
index 0000000000..fec91503c7
--- /dev/null
+++ b/indra/llappearance/llavatarjoint.h
@@ -0,0 +1,140 @@
+/** 
+ * @file llavatarjoint.h
+ * @brief Implementation of LLAvatarJoint 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
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_LLAVATARJOINT_H
+#define LL_LLAVATARJOINT_H
+
+//-----------------------------------------------------------------------------
+// Header Files
+//-----------------------------------------------------------------------------
+#include "lljoint.h"
+#include "lljointpickname.h"
+
+class LLFace;
+class LLAvatarJointMesh;
+
+extern const F32 DEFAULT_AVATAR_JOINT_LOD;
+
+//-----------------------------------------------------------------------------
+// class LLViewerJoint
+//-----------------------------------------------------------------------------
+class LLAvatarJoint :
+	public LLJoint
+{
+public:
+	LLAvatarJoint();
+	LLAvatarJoint(S32 joint_num);
+	// *TODO: Only used for LLVOAvatarSelf::mScreenp.  *DOES NOT INITIALIZE mResetAfterRestoreOldXform*
+	LLAvatarJoint(const std::string &name, LLJoint *parent = NULL);
+	virtual ~LLAvatarJoint();
+
+	// Gets the validity of this joint
+	BOOL getValid() { return mValid; }
+
+	// Sets the validity of this joint
+	virtual void setValid( BOOL valid, BOOL recursive=FALSE );
+
+	// Returns true if this object is transparent.
+	// This is used to determine in which order to draw objects.
+	virtual BOOL isTransparent() { return mIsTransparent; }
+
+	// Returns true if this object should inherit scale modifiers from its immediate parent
+	virtual BOOL inheritScale() { return FALSE; }
+
+	enum Components
+	{
+		SC_BONE		= 1,
+		SC_JOINT	= 2,
+		SC_AXES		= 4
+	};
+
+	// Selects which skeleton components to draw
+	void setSkeletonComponents( U32 comp, BOOL recursive = TRUE );
+
+	// Returns which skeleton components are enables for drawing
+	U32 getSkeletonComponents() { return mComponents; }
+
+	// Sets the level of detail for this node as a minimum
+	// pixel area threshold.  If the current pixel area for this
+	// object is less than the specified threshold, the node is
+	// not traversed.  In addition, if a value is specified (not
+	// default of 0.0), and the pixel area is larger than the
+	// specified minimum, the node is rendered, but no other siblings
+	// of this node under the same parent will be.
+	F32 getLOD() { return mMinPixelArea; }
+	void setLOD( F32 pixelArea ) { mMinPixelArea = pixelArea; }
+
+	void setPickName(LLJointPickName name) { mPickName = name; }
+	LLJointPickName getPickName() { return mPickName; }
+
+	void setVisible( BOOL visible, BOOL recursive );
+
+	// Takes meshes in mMeshParts and sets each one as a child joint
+	void setMeshesToChildren();
+
+	// LLViewerJoint interface
+	virtual U32 render( F32 pixelArea, BOOL first_pass = TRUE, BOOL is_dummy = FALSE ) = 0;
+	virtual void updateFaceSizes(U32 &num_vertices, U32& num_indices, F32 pixel_area);
+	virtual void updateFaceData(LLFace *face, F32 pixel_area, BOOL damp_wind = FALSE, bool terse_update = false);
+	virtual BOOL updateLOD(F32 pixel_area, BOOL activate);
+	virtual void updateJointGeometry();
+	virtual void dump();
+	
+
+public:
+	static BOOL	sDisableLOD;
+	avatar_joint_mesh_list_t mMeshParts; //LLViewerJointMesh*
+	void setMeshID( S32 id ) {mMeshID = id;}
+
+protected:
+	void init();
+
+	BOOL		mValid;
+	BOOL		mIsTransparent;
+	U32			mComponents;
+	F32			mMinPixelArea;
+	LLJointPickName	mPickName;
+	BOOL		mVisible;
+	S32			mMeshID;
+};
+
+class LLAvatarJointCollisionVolume : public LLAvatarJoint
+{
+public:
+	LLAvatarJointCollisionVolume();
+	virtual ~LLAvatarJointCollisionVolume() {};
+
+	/*virtual*/ BOOL inheritScale() { return TRUE; }
+	/*virtual*/ U32 render( F32 pixelArea, BOOL first_pass = TRUE, BOOL is_dummy = FALSE );
+
+	void renderCollision();
+
+	LLVector3 getVolumePos(LLVector3 &offset);
+};
+
+#endif // LL_LLAVATARJOINT_H
+
+
diff --git a/indra/llappearance/llavatarjointmesh.cpp b/indra/llappearance/llavatarjointmesh.cpp
new file mode 100644
index 0000000000..4a5cff1dc3
--- /dev/null
+++ b/indra/llappearance/llavatarjointmesh.cpp
@@ -0,0 +1,375 @@
+/** 
+ * @file LLAvatarJointMesh.cpp
+ * @brief Implementation of LLAvatarJointMesh 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 "imageids.h"
+#include "llfasttimer.h"
+#include "llrender.h"
+
+#include "llavatarjointmesh.h"
+#include "llavatarappearance.h"
+//#include "llapr.h"
+//#include "llbox.h"
+//#include "lldrawable.h"
+//#include "lldrawpoolavatar.h"
+//#include "lldrawpoolbump.h"
+//#include "lldynamictexture.h"
+//#include "llface.h"
+//#include "llgldbg.h"
+//#include "llglheaders.h"
+#include "lltexlayer.h"
+//#include "llviewercamera.h"
+//#include "llviewercontrol.h"
+//#include "llviewertexturelist.h"
+//#include "llsky.h"
+//#include "pipeline.h"
+//#include "llviewershadermgr.h"
+#include "llmath.h"
+#include "v4math.h"
+#include "m3math.h"
+#include "m4math.h"
+#include "llmatrix4a.h"
+
+
+//-----------------------------------------------------------------------------
+//-----------------------------------------------------------------------------
+// LLAvatarJointMesh::LLSkinJoint
+//-----------------------------------------------------------------------------
+//-----------------------------------------------------------------------------
+
+//-----------------------------------------------------------------------------
+// LLSkinJoint
+//-----------------------------------------------------------------------------
+LLSkinJoint::LLSkinJoint()
+{
+	mJoint       = NULL;
+}
+
+//-----------------------------------------------------------------------------
+// ~LLSkinJoint
+//-----------------------------------------------------------------------------
+LLSkinJoint::~LLSkinJoint()
+{
+	mJoint = NULL;
+}
+
+
+//-----------------------------------------------------------------------------
+// LLSkinJoint::setupSkinJoint()
+//-----------------------------------------------------------------------------
+BOOL LLSkinJoint::setupSkinJoint( LLAvatarJoint *joint)
+{
+	// find the named joint
+	mJoint = joint;
+	if ( !mJoint )
+	{
+		llinfos << "Can't find joint" << llendl;
+	}
+
+	// compute the inverse root skin matrix
+	mRootToJointSkinOffset.clearVec();
+
+	LLVector3 rootSkinOffset;
+	while (joint)
+	{
+		rootSkinOffset += joint->getSkinOffset();
+		joint = (LLAvatarJoint*)joint->getParent();
+	}
+
+	mRootToJointSkinOffset = -rootSkinOffset;
+	mRootToParentJointSkinOffset = mRootToJointSkinOffset;
+	mRootToParentJointSkinOffset += mJoint->getSkinOffset();
+
+	return TRUE;
+}
+
+
+//-----------------------------------------------------------------------------
+//-----------------------------------------------------------------------------
+// LLAvatarJointMesh
+//-----------------------------------------------------------------------------
+//-----------------------------------------------------------------------------
+
+BOOL LLAvatarJointMesh::sPipelineRender = FALSE;
+EAvatarRenderPass LLAvatarJointMesh::sRenderPass = AVATAR_RENDER_PASS_SINGLE;
+U32 LLAvatarJointMesh::sClothingMaskImageName = 0;
+LLColor4 LLAvatarJointMesh::sClothingInnerColor;
+
+//-----------------------------------------------------------------------------
+// LLAvatarJointMesh()
+//-----------------------------------------------------------------------------
+LLAvatarJointMesh::LLAvatarJointMesh()
+	:
+	mTexture( NULL ),
+	mLayerSet( NULL ),
+	mTestImageName( 0 ),
+	mFaceIndexCount(0)
+{
+
+	mColor[0] = 1.0f;
+	mColor[1] = 1.0f;
+	mColor[2] = 1.0f;
+	mColor[3] = 1.0f;
+	mShiny = 0.0f;
+	mCullBackFaces = TRUE;
+
+	mMesh = NULL;
+
+	mNumSkinJoints = 0;
+	mSkinJoints = NULL;
+
+	mFace = NULL;
+
+	mMeshID = 0;
+	mUpdateXform = FALSE;
+
+	mValid = FALSE;
+
+	mIsTransparent = FALSE;
+}
+
+
+//-----------------------------------------------------------------------------
+// ~LLAvatarJointMesh()
+// Class Destructor
+//-----------------------------------------------------------------------------
+LLAvatarJointMesh::~LLAvatarJointMesh()
+{
+	mMesh = NULL;
+	mTexture = NULL;
+	freeSkinData();
+}
+
+
+//-----------------------------------------------------------------------------
+// LLAvatarJointMesh::allocateSkinData()
+//-----------------------------------------------------------------------------
+BOOL LLAvatarJointMesh::allocateSkinData( U32 numSkinJoints )
+{
+	mSkinJoints = new LLSkinJoint[ numSkinJoints ];
+	mNumSkinJoints = numSkinJoints;
+	return TRUE;
+}
+
+//-----------------------------------------------------------------------------
+// LLAvatarJointMesh::freeSkinData()
+//-----------------------------------------------------------------------------
+void LLAvatarJointMesh::freeSkinData()
+{
+	mNumSkinJoints = 0;
+	delete [] mSkinJoints;
+	mSkinJoints = NULL;
+}
+
+//--------------------------------------------------------------------
+// LLAvatarJointMesh::getColor()
+//--------------------------------------------------------------------
+void LLAvatarJointMesh::getColor( F32 *red, F32 *green, F32 *blue, F32 *alpha )
+{
+	*red   = mColor[0];
+	*green = mColor[1];
+	*blue  = mColor[2];
+	*alpha = mColor[3];
+}
+
+//--------------------------------------------------------------------
+// LLAvatarJointMesh::setColor()
+//--------------------------------------------------------------------
+void LLAvatarJointMesh::setColor( F32 red, F32 green, F32 blue, F32 alpha )
+{
+	mColor[0] = red;
+	mColor[1] = green;
+	mColor[2] = blue;
+	mColor[3] = alpha;
+}
+
+void LLAvatarJointMesh::setColor( const LLColor4& color )
+{
+	mColor = color;
+}
+
+
+//--------------------------------------------------------------------
+// LLAvatarJointMesh::getTexture()
+//--------------------------------------------------------------------
+//LLViewerTexture *LLAvatarJointMesh::getTexture()
+//{
+//	return mTexture;
+//}
+
+//--------------------------------------------------------------------
+// LLAvatarJointMesh::setTexture()
+//--------------------------------------------------------------------
+void LLAvatarJointMesh::setTexture( LLGLTexture *texture )
+{
+	mTexture = texture;
+
+	// texture and dynamic_texture are mutually exclusive
+	if( texture )
+	{
+		mLayerSet = NULL;
+		//texture->bindTexture(0);
+		//texture->setClamp(TRUE, TRUE);
+	}
+}
+
+
+BOOL LLAvatarJointMesh::hasGLTexture() const
+{
+	return mTexture.notNull() && mTexture->hasGLTexture();
+}
+
+//--------------------------------------------------------------------
+// LLAvatarJointMesh::setLayerSet()
+// Sets the shape texture (takes precedence over normal texture)
+//--------------------------------------------------------------------
+void LLAvatarJointMesh::setLayerSet( LLTexLayerSet* layer_set )
+{
+	mLayerSet = layer_set;
+	
+	// texture and dynamic_texture are mutually exclusive
+	if( layer_set )
+	{
+		mTexture = NULL;
+	}
+}
+
+BOOL LLAvatarJointMesh::hasComposite() const
+{
+	return (mLayerSet && mLayerSet->hasComposite());
+}
+
+
+//--------------------------------------------------------------------
+// LLAvatarJointMesh::getMesh()
+//--------------------------------------------------------------------
+LLPolyMesh *LLAvatarJointMesh::getMesh()
+{
+	return mMesh;
+}
+
+//-----------------------------------------------------------------------------
+// LLAvatarJointMesh::setMesh()
+//-----------------------------------------------------------------------------
+void LLAvatarJointMesh::setMesh( LLPolyMesh *mesh )
+{
+	// set the mesh pointer
+	mMesh = mesh;
+
+	// release any existing skin joints
+	freeSkinData();
+
+	if ( mMesh == NULL )
+	{
+		return;
+	}
+
+	// acquire the transform from the mesh object
+	setPosition( mMesh->getPosition() );
+	setRotation( mMesh->getRotation() );
+	setScale( mMesh->getScale() );
+
+	// create skin joints if necessary
+	if ( mMesh->hasWeights() && !mMesh->isLOD())
+	{
+		U32 numJointNames = mMesh->getNumJointNames();
+		
+		allocateSkinData( numJointNames );
+		std::string *jointNames = mMesh->getJointNames();
+
+		U32 jn;
+		for (jn = 0; jn < numJointNames; jn++)
+		{
+			//llinfos << "Setting up joint " << jointNames[jn] << llendl;
+			LLAvatarJoint* joint = (LLAvatarJoint*)(getRoot()->findJoint(jointNames[jn]) );
+			mSkinJoints[jn].setupSkinJoint( joint );
+		}
+	}
+
+	// setup joint array
+	if (!mMesh->isLOD())
+	{
+		setupJoint((LLAvatarJoint*)getRoot());
+	}
+
+//	llinfos << "joint render entries: " << mMesh->mJointRenderData.count() << llendl;
+}
+
+//-----------------------------------------------------------------------------
+// setupJoint()
+//-----------------------------------------------------------------------------
+void LLAvatarJointMesh::setupJoint(LLAvatarJoint* current_joint)
+{
+//	llinfos << "Mesh: " << getName() << llendl;
+
+//	S32 joint_count = 0;
+	U32 sj;
+	for (sj=0; sj<mNumSkinJoints; sj++)
+	{
+		LLSkinJoint &js = mSkinJoints[sj];
+
+		if (js.mJoint != current_joint)
+		{
+			continue;
+		}
+
+		// we've found a skinjoint for this joint..
+
+		// is the last joint in the array our parent?
+		if(mMesh->mJointRenderData.count() && mMesh->mJointRenderData[mMesh->mJointRenderData.count() - 1]->mWorldMatrix == &current_joint->getParent()->getWorldMatrix())
+		{
+			// ...then just add ourselves
+			LLAvatarJoint* jointp = js.mJoint;
+			mMesh->mJointRenderData.put(new LLJointRenderData(&jointp->getWorldMatrix(), &js));
+//			llinfos << "joint " << joint_count << js.mJoint->getName() << llendl;
+//			joint_count++;
+		}
+		// otherwise add our parent and ourselves
+		else
+		{
+			mMesh->mJointRenderData.put(new LLJointRenderData(&current_joint->getParent()->getWorldMatrix(), NULL));
+//			llinfos << "joint " << joint_count << current_joint->getParent()->getName() << llendl;
+//			joint_count++;
+			mMesh->mJointRenderData.put(new LLJointRenderData(&current_joint->getWorldMatrix(), &js));
+//			llinfos << "joint " << joint_count << current_joint->getName() << llendl;
+//			joint_count++;
+		}
+	}
+
+	// depth-first traversal
+	for (LLJoint::child_list_t::iterator iter = current_joint->mChildren.begin();
+		 iter != current_joint->mChildren.end(); ++iter)
+	{
+		LLAvatarJoint* child_joint = (LLAvatarJoint*)(*iter);
+		setupJoint(child_joint);
+	}
+}
+
+
+// End
diff --git a/indra/llappearance/llavatarjointmesh.h b/indra/llappearance/llavatarjointmesh.h
new file mode 100644
index 0000000000..6486932cdf
--- /dev/null
+++ b/indra/llappearance/llavatarjointmesh.h
@@ -0,0 +1,145 @@
+/** 
+ * @file llavatarjointmesh.h
+ * @brief Declaration of LLAvatarJointMesh 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
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_LLAVATARJOINTMESH_H
+#define LL_LLAVATARJOINTMESH_H
+
+#include "llavatarjoint.h"
+#include "llgltexture.h"
+#include "llpolymesh.h"
+#include "v4color.h"
+
+class LLDrawable;
+class LLFace;
+class LLCharacter;
+class LLTexLayerSet;
+
+typedef enum e_avatar_render_pass
+{
+	AVATAR_RENDER_PASS_SINGLE,
+	AVATAR_RENDER_PASS_CLOTHING_INNER,
+	AVATAR_RENDER_PASS_CLOTHING_OUTER
+} EAvatarRenderPass;
+
+class LLSkinJoint
+{
+public:
+	LLSkinJoint();
+	~LLSkinJoint();
+	BOOL setupSkinJoint( LLAvatarJoint *joint);
+
+	LLAvatarJoint	*mJoint;
+	LLVector3		mRootToJointSkinOffset;
+	LLVector3		mRootToParentJointSkinOffset;
+};
+
+//-----------------------------------------------------------------------------
+// class LLViewerJointMesh
+//-----------------------------------------------------------------------------
+class LLAvatarJointMesh : public virtual LLAvatarJoint
+{
+protected:
+	LLColor4					mColor;			// color value
+// 	LLColor4					mSpecular;		// specular color (always white for now)
+	F32							mShiny;			// shiny value
+	LLPointer<LLGLTexture>		mTexture;		// ptr to a global texture
+	LLTexLayerSet*				mLayerSet;		// ptr to a layer set owned by the avatar
+	U32 						mTestImageName;		// handle to a temporary texture for previewing uploads
+	LLPolyMesh*					mMesh;			// ptr to a global polymesh
+	BOOL						mCullBackFaces;	// true by default
+	LLFace*						mFace;			// ptr to a face w/ AGP copy of mesh
+
+	U32							mFaceIndexCount;
+
+	U32							mNumSkinJoints;
+	LLSkinJoint*				mSkinJoints;
+	S32							mMeshID;
+
+public:
+	static BOOL					sPipelineRender;
+	//RN: this is here for testing purposes
+	static U32					sClothingMaskImageName;
+	static EAvatarRenderPass	sRenderPass;
+	static LLColor4				sClothingInnerColor;
+
+public:
+	// Constructor
+	LLAvatarJointMesh();
+
+	// Destructor
+	virtual ~LLAvatarJointMesh();
+
+	// Gets the shape color
+	void getColor( F32 *red, F32 *green, F32 *blue, F32 *alpha );
+
+	// Sets the shape color
+	void setColor( F32 red, F32 green, F32 blue, F32 alpha );
+	void setColor( const LLColor4& color );
+
+	// Sets the shininess
+	void setSpecular( const LLColor4& color, F32 shiny ) { /*mSpecular = color;*/ mShiny = shiny; };
+
+	// Sets the shape texture
+	void setTexture( LLGLTexture *texture );
+
+	BOOL hasGLTexture() const;
+
+	void setTestTexture( U32 name ) { mTestImageName = name; }
+
+	// Sets layer set responsible for a dynamic shape texture (takes precedence over normal texture)
+	void setLayerSet( LLTexLayerSet* layer_set );
+
+	BOOL hasComposite() const;
+
+	// Gets the poly mesh
+	LLPolyMesh *getMesh();
+
+	// Sets the poly mesh
+	void setMesh( LLPolyMesh *mesh );
+
+	// Sets up joint matrix data for rendering
+	void setupJoint(LLAvatarJoint* current_joint);
+
+	// Render time method to upload batches of joint matrices
+	void uploadJointMatrices();
+
+	// Sets ID for picking
+	void setMeshID( S32 id ) {mMeshID = id;}
+
+	// Gets ID for picking
+	S32 getMeshID() { return mMeshID; }	
+
+	void setIsTransparent(BOOL is_transparent) { mIsTransparent = is_transparent; }
+
+private:
+	// Allocate skin data
+	BOOL allocateSkinData( U32 numSkinJoints );
+
+	// Free skin data
+	void freeSkinData();
+};
+
+#endif // LL_LLAVATARJOINTMESH_H
diff --git a/indra/llappearance/lldriverparam.cpp b/indra/llappearance/lldriverparam.cpp
new file mode 100644
index 0000000000..1f7e8b8652
--- /dev/null
+++ b/indra/llappearance/lldriverparam.cpp
@@ -0,0 +1,619 @@
+/** 
+ * @file lldriverparam.cpp
+ * @brief A visual parameter that drives (controls) other visual parameters.
+ *
+ * $LicenseInfo:firstyear=2002&license=viewerlgpl$
+ * 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
+ * $/LicenseInfo$
+ */
+
+#include "linden_common.h"
+
+#include "lldriverparam.h"
+
+#include "llavatarappearance.h"
+#include "llwearable.h"
+#include "llwearabledata.h"
+
+//-----------------------------------------------------------------------------
+// LLDriverParamInfo
+//-----------------------------------------------------------------------------
+
+LLDriverParamInfo::LLDriverParamInfo() :
+	mDriverParam(NULL)
+{
+}
+
+BOOL LLDriverParamInfo::parseXml(LLXmlTreeNode* node)
+{
+	llassert( node->hasName( "param" ) && node->getChildByName( "param_driver" ) );
+
+	if( !LLViewerVisualParamInfo::parseXml( node ))
+		return FALSE;
+
+	LLXmlTreeNode* param_driver_node = node->getChildByName( "param_driver" );
+	if( !param_driver_node )
+		return FALSE;
+
+	for (LLXmlTreeNode* child = param_driver_node->getChildByName( "driven" );
+		 child;
+		 child = param_driver_node->getNextNamedChild())
+	{
+		S32 driven_id;
+		static LLStdStringHandle id_string = LLXmlTree::addAttributeString("id");
+		if( child->getFastAttributeS32( id_string, driven_id ) )
+		{
+			F32 min1 = mMinWeight;
+			F32 max1 = mMaxWeight;
+			F32 max2 = max1;
+			F32 min2 = max1;
+
+			//	driven    ________							//
+			//	^        /|       |\						//
+			//	|       / |       | \						//
+			//	|      /  |       |  \						//
+			//	|     /   |       |   \						//
+			//	|    /    |       |    \					//
+			//-------|----|-------|----|-------> driver		//
+			//  | min1   max1    max2  min2
+
+			static LLStdStringHandle min1_string = LLXmlTree::addAttributeString("min1");
+			child->getFastAttributeF32( min1_string, min1 ); // optional
+			static LLStdStringHandle max1_string = LLXmlTree::addAttributeString("max1");
+			child->getFastAttributeF32( max1_string, max1 ); // optional
+			static LLStdStringHandle max2_string = LLXmlTree::addAttributeString("max2");
+			child->getFastAttributeF32( max2_string, max2 ); // optional
+			static LLStdStringHandle min2_string = LLXmlTree::addAttributeString("min2");
+			child->getFastAttributeF32( min2_string, min2 ); // optional
+
+			// Push these on the front of the deque, so that we can construct
+			// them in order later (faster)
+			mDrivenInfoList.push_front( LLDrivenEntryInfo( driven_id, min1, max1, max2, min2 ) );
+		}
+		else
+		{
+			llerrs << "<driven> Unable to resolve driven parameter: " << driven_id << llendl;
+			return FALSE;
+		}
+	}
+	return TRUE;
+}
+
+//virtual 
+void LLDriverParamInfo::toStream(std::ostream &out)
+{
+	LLViewerVisualParamInfo::toStream(out);
+	out << "driver" << "\t";
+	out << mDrivenInfoList.size() << "\t";
+	for (entry_info_list_t::iterator iter = mDrivenInfoList.begin(); iter != mDrivenInfoList.end(); iter++)
+	{
+		LLDrivenEntryInfo driven = *iter;
+		out << driven.mDrivenID << "\t";
+	}
+
+	out << std::endl;
+
+	if(mDriverParam && mDriverParam->getAvatarAppearance()->isSelf() &&
+		mDriverParam->getAvatarAppearance()->isValid())
+	{
+		for (entry_info_list_t::iterator iter = mDrivenInfoList.begin(); iter != mDrivenInfoList.end(); iter++)
+		{
+			LLDrivenEntryInfo driven = *iter;
+			LLViewerVisualParam *param = 
+				(LLViewerVisualParam*)mDriverParam->getAvatarAppearance()->getVisualParam(driven.mDrivenID);
+			if (param)
+			{
+				param->getInfo()->toStream(out);
+				if (param->getWearableType() != mWearableType)
+				{
+					if(param->getCrossWearable())
+					{
+						out << "cross-wearable" << "\t";
+					}
+					else
+					{
+						out << "ERROR!" << "\t";
+					}
+				}
+				else
+				{
+					out << "valid" << "\t";
+				}
+			}
+			else
+			{
+				llwarns << "could not get parameter " << driven.mDrivenID << " from avatar " 
+						<< mDriverParam->getAvatarAppearance() 
+						<< " for driver parameter " << getID() << llendl;
+			}
+			out << std::endl;
+		}
+	}
+}
+
+//-----------------------------------------------------------------------------
+// LLDriverParam
+//-----------------------------------------------------------------------------
+
+LLDriverParam::LLDriverParam(LLAvatarAppearance *appearance, LLWearable* wearable /* = NULL */) :
+	mCurrentDistortionParam( NULL ), 
+	mAvatarAppearance(appearance), 
+	mWearablep(wearable)
+{
+	llassert(mAvatarAppearance);
+	if (mWearablep)
+	{
+		llassert(mAvatarAppearance->isSelf());
+	}
+	mDefaultVec.clear();
+}
+
+LLDriverParam::~LLDriverParam()
+{
+}
+
+BOOL LLDriverParam::setInfo(LLDriverParamInfo *info)
+{
+	llassert(mInfo == NULL);
+	if (info->mID < 0)
+		return FALSE;
+	mInfo = info;
+	mID = info->mID;
+	info->mDriverParam = this;
+
+	setWeight(getDefaultWeight(), FALSE );
+
+	return TRUE;
+}
+
+/*virtual*/ LLViewerVisualParam* LLDriverParam::cloneParam(LLWearable* wearable) const
+{
+	llassert(wearable);
+	LLDriverParam *new_param = new LLDriverParam(mAvatarAppearance, wearable);
+	// FIXME DRANO this clobbers mWearablep, which means any code
+	// currently using mWearablep is wrong, or at least untested.
+	*new_param = *this;
+	//new_param->mWearablep = wearable;
+//	new_param->mDriven.clear(); // clear driven list to avoid overwriting avatar driven params from wearables. 
+	return new_param;
+}
+
+void LLDriverParam::setWeight(F32 weight, BOOL upload_bake)
+{
+	F32 min_weight = getMinWeight();
+	F32 max_weight = getMaxWeight();
+	if (mIsAnimating)
+	{
+		// allow overshoot when animating
+		mCurWeight = weight;
+	}
+	else
+	{
+		mCurWeight = llclamp(weight, min_weight, max_weight);
+	}
+
+	//	driven    ________
+	//	^        /|       |\       ^
+	//	|       / |       | \      |
+	//	|      /  |       |  \     |
+	//	|     /   |       |   \    |
+	//	|    /    |       |    \   |
+	//-------|----|-------|----|-------> driver
+	//  | min1   max1    max2  min2
+
+	for( entry_list_t::iterator iter = mDriven.begin(); iter != mDriven.end(); iter++ )
+	{
+		LLDrivenEntry* driven = &(*iter);
+		LLDrivenEntryInfo* info = driven->mInfo;
+		
+		F32 driven_weight = 0.f;
+		F32 driven_min = driven->mParam->getMinWeight();
+		F32 driven_max = driven->mParam->getMaxWeight();
+
+		if (mIsAnimating)
+		{
+			// driven param doesn't interpolate (textures, for example)
+			if (!driven->mParam->getAnimating())
+			{
+				continue;
+			}
+			if( mCurWeight < info->mMin1 )
+			{
+				if (info->mMin1 == min_weight)
+				{
+					if (info->mMin1 == info->mMax1)
+					{
+						driven_weight = driven_max;
+					}
+					else
+					{
+						//up slope extrapolation
+						F32 t = (mCurWeight - info->mMin1) / (info->mMax1 - info->mMin1 );
+						driven_weight = driven_min + t * (driven_max - driven_min);
+					}
+				}
+				else
+				{
+					driven_weight = driven_min;
+				}
+				
+				setDrivenWeight(driven,driven_weight,upload_bake);
+				continue;
+			}
+			else 
+			if ( mCurWeight > info->mMin2 )
+			{
+				if (info->mMin2 == max_weight)
+				{
+					if (info->mMin2 == info->mMax2)
+					{
+						driven_weight = driven_max;
+					}
+					else
+					{
+						//down slope extrapolation					
+						F32 t = (mCurWeight - info->mMax2) / (info->mMin2 - info->mMax2 );
+						driven_weight = driven_max + t * (driven_min - driven_max);
+					}
+				}
+				else
+				{
+					driven_weight = driven_min;
+				}
+
+				setDrivenWeight(driven,driven_weight,upload_bake);
+				continue;
+			}
+		}
+
+		driven_weight = getDrivenWeight(driven, mCurWeight);
+		setDrivenWeight(driven,driven_weight,upload_bake);
+	}
+}
+
+F32	LLDriverParam::getTotalDistortion()
+{
+	F32 sum = 0.f;
+	for( entry_list_t::iterator iter = mDriven.begin(); iter != mDriven.end(); iter++ )
+	{
+		LLDrivenEntry* driven = &(*iter);
+		sum += driven->mParam->getTotalDistortion();
+	}
+
+	return sum; 
+}
+
+const LLVector4a	&LLDriverParam::getAvgDistortion()	
+{
+	// It's not actually correct to take the average of averages, but it good enough here.
+	LLVector4a sum;
+	sum.clear();
+	S32 count = 0;
+	for( entry_list_t::iterator iter = mDriven.begin(); iter != mDriven.end(); iter++ )
+	{
+		LLDrivenEntry* driven = &(*iter);
+		sum.add(driven->mParam->getAvgDistortion());
+		count++;
+	}
+	sum.mul( 1.f/(F32)count);
+
+	mDefaultVec = sum;
+	return mDefaultVec; 
+}
+
+F32	LLDriverParam::getMaxDistortion() 
+{
+	F32 max = 0.f;
+	for( entry_list_t::iterator iter = mDriven.begin(); iter != mDriven.end(); iter++ )
+	{
+		LLDrivenEntry* driven = &(*iter);
+		F32 param_max = driven->mParam->getMaxDistortion();
+		if( param_max > max )
+		{
+			max = param_max;
+		}
+	}
+
+	return max; 
+}
+
+
+LLVector4a	LLDriverParam::getVertexDistortion(S32 index, LLPolyMesh *poly_mesh)
+{
+	LLVector4a sum;
+	sum.clear();
+	for( entry_list_t::iterator iter = mDriven.begin(); iter != mDriven.end(); iter++ )
+	{
+		LLDrivenEntry* driven = &(*iter);
+		sum.add(driven->mParam->getVertexDistortion( index, poly_mesh ));
+	}
+	return sum;
+}
+
+const LLVector4a*	LLDriverParam::getFirstDistortion(U32 *index, LLPolyMesh **poly_mesh)
+{
+	mCurrentDistortionParam = NULL;
+	const LLVector4a* v = NULL;
+	for( entry_list_t::iterator iter = mDriven.begin(); iter != mDriven.end(); iter++ )
+	{
+		LLDrivenEntry* driven = &(*iter);
+		v = driven->mParam->getFirstDistortion( index, poly_mesh );
+		if( v )
+		{
+			mCurrentDistortionParam = driven->mParam;
+			break;
+		}
+	}
+
+	return v;
+};
+
+const LLVector4a*	LLDriverParam::getNextDistortion(U32 *index, LLPolyMesh **poly_mesh)
+{
+	llassert( mCurrentDistortionParam );
+	if( !mCurrentDistortionParam )
+	{
+		return NULL;
+	}
+
+	LLDrivenEntry* driven = NULL;
+	entry_list_t::iterator iter;
+	
+	// Set mDriven iteration to the right point
+	for( iter = mDriven.begin(); iter != mDriven.end(); iter++ )
+	{
+		driven = &(*iter);
+		if( driven->mParam == mCurrentDistortionParam )
+		{
+			break;
+		}
+	}
+
+	llassert(driven);
+	if (!driven)
+	{
+		return NULL; // shouldn't happen, but...
+	}
+
+	// We're already in the middle of a param's distortions, so get the next one.
+	const LLVector4a* v = driven->mParam->getNextDistortion( index, poly_mesh );
+	if( (!v) && (iter != mDriven.end()) )
+	{
+		// This param is finished, so start the next param.  It might not have any
+		// distortions, though, so we have to loop to find the next param that does.
+		for( iter++; iter != mDriven.end(); iter++ )
+		{
+			driven = &(*iter);
+			v = driven->mParam->getFirstDistortion( index, poly_mesh );
+			if( v )
+			{
+				mCurrentDistortionParam = driven->mParam;
+				break;
+			}
+		}
+	}
+
+	return v;
+};
+
+S32 LLDriverParam::getDrivenParamsCount() const
+{
+	return mDriven.size();
+}
+
+const LLViewerVisualParam* LLDriverParam::getDrivenParam(S32 index) const
+{
+	if (0 > index || index >= mDriven.size())
+	{
+		return NULL;
+	}
+	return mDriven[index].mParam;
+}
+
+//-----------------------------------------------------------------------------
+// setAnimationTarget()
+//-----------------------------------------------------------------------------
+void LLDriverParam::setAnimationTarget( F32 target_value, BOOL upload_bake )
+{
+	LLVisualParam::setAnimationTarget(target_value, upload_bake);
+
+	for( entry_list_t::iterator iter = mDriven.begin(); iter != mDriven.end(); iter++ )
+	{
+		LLDrivenEntry* driven = &(*iter);
+		F32 driven_weight = getDrivenWeight(driven, mTargetWeight);
+
+		// this isn't normally necessary, as driver params handle interpolation of their driven params
+		// but texture params need to know to assume their final value at beginning of interpolation
+		driven->mParam->setAnimationTarget(driven_weight, upload_bake);
+	}
+}
+
+//-----------------------------------------------------------------------------
+// stopAnimating()
+//-----------------------------------------------------------------------------
+void LLDriverParam::stopAnimating(BOOL upload_bake)
+{
+	LLVisualParam::stopAnimating(upload_bake);
+
+	for( entry_list_t::iterator iter = mDriven.begin(); iter != mDriven.end(); iter++ )
+	{
+		LLDrivenEntry* driven = &(*iter);
+		driven->mParam->setAnimating(FALSE);
+	}
+}
+
+/*virtual*/ 
+BOOL LLDriverParam::linkDrivenParams(visual_param_mapper mapper, BOOL only_cross_params)
+{
+	BOOL success = TRUE;
+	LLDriverParamInfo::entry_info_list_t::iterator iter;
+	for (iter = getInfo()->mDrivenInfoList.begin(); iter != getInfo()->mDrivenInfoList.end(); ++iter)
+	{
+		LLDrivenEntryInfo *driven_info = &(*iter);
+		S32 driven_id = driven_info->mDrivenID;
+
+		// check for already existing links. Do not overwrite.
+		BOOL found = FALSE;
+		for (entry_list_t::iterator driven_iter = mDriven.begin(); driven_iter != mDriven.end() && !found; ++driven_iter)
+		{
+			if (driven_iter->mInfo->mDrivenID == driven_id)
+			{
+				found = TRUE;
+			}
+		}
+
+		if (!found)
+		{
+			LLViewerVisualParam* param = (LLViewerVisualParam*)mapper(driven_id);
+			if (param) param->setParamLocation(this->getParamLocation());
+			bool push = param && (!only_cross_params || param->getCrossWearable());
+			if (push)
+			{
+				mDriven.push_back(LLDrivenEntry( param, driven_info ));
+			}
+			else
+			{
+				success = FALSE;
+			}
+		}
+	}
+	
+	return success;	
+}
+
+void LLDriverParam::resetDrivenParams()
+{
+	mDriven.clear();
+	mDriven.reserve(getInfo()->mDrivenInfoList.size());
+}
+
+void LLDriverParam::updateCrossDrivenParams(LLWearableType::EType driven_type)
+{
+	bool needs_update = (getWearableType()==driven_type);
+
+	// if the driver has a driven entry for the passed-in wearable type, we need to refresh the value
+	for( entry_list_t::iterator iter = mDriven.begin(); iter != mDriven.end(); iter++ )
+	{
+		LLDrivenEntry* driven = &(*iter);
+		if (driven && driven->mParam && driven->mParam->getCrossWearable() && driven->mParam->getWearableType() == driven_type)
+		{
+			needs_update = true;
+		}
+	}
+
+
+	if (needs_update)
+	{
+		LLWearableType::EType driver_type = (LLWearableType::EType)getWearableType();
+		
+		// If we've gotten here, we've added a new wearable of type "type"
+		// Thus this wearable needs to get updates from the driver wearable.
+		// The call to setVisualParamWeight seems redundant, but is necessary
+		// as the number of driven wearables has changed since the last update. -Nyx
+		LLWearable *wearable = mAvatarAppearance->getWearableData()->getTopWearable(driver_type);
+		if (wearable)
+		{
+			wearable->setVisualParamWeight(mID, wearable->getVisualParamWeight(mID), false);
+		}
+	}
+}
+
+
+//-----------------------------------------------------------------------------
+// getDrivenWeight()
+//-----------------------------------------------------------------------------
+F32 LLDriverParam::getDrivenWeight(const LLDrivenEntry* driven, F32 input_weight)
+{
+	F32 min_weight = getMinWeight();
+	F32 max_weight = getMaxWeight();
+	const LLDrivenEntryInfo* info = driven->mInfo;
+
+	F32 driven_weight = 0.f;
+	F32 driven_min = driven->mParam->getMinWeight();
+	F32 driven_max = driven->mParam->getMaxWeight();
+
+	if( input_weight <= info->mMin1 )
+	{
+		if( info->mMin1 == info->mMax1 && 
+			info->mMin1 <= min_weight)
+		{
+			driven_weight = driven_max;
+		}
+		else
+		{
+			driven_weight = driven_min;
+		}
+	}
+	else
+	if( input_weight <= info->mMax1 )
+	{
+		F32 t = (input_weight - info->mMin1) / (info->mMax1 - info->mMin1 );
+		driven_weight = driven_min + t * (driven_max - driven_min);
+	}
+	else
+	if( input_weight <= info->mMax2 )
+	{
+		driven_weight = driven_max;
+	}
+	else
+	if( input_weight <= info->mMin2 )
+	{
+		F32 t = (input_weight - info->mMax2) / (info->mMin2 - info->mMax2 );
+		driven_weight = driven_max + t * (driven_min - driven_max);
+	}
+	else
+	{
+		if (info->mMax2 >= max_weight)
+		{
+			driven_weight = driven_max;
+		}
+		else
+		{
+			driven_weight = driven_min;
+		}
+	}
+
+	return driven_weight;
+}
+
+void LLDriverParam::setDrivenWeight(LLDrivenEntry *driven, F32 driven_weight, bool upload_bake)
+{
+	bool use_self = false;
+	if(mWearablep &&
+		mAvatarAppearance->isValid() &&
+		driven->mParam->getCrossWearable())
+	{
+		LLWearable* wearable = dynamic_cast<LLWearable*> (mWearablep);
+		if (mAvatarAppearance->getWearableData()->isOnTop(wearable))
+		{
+			use_self = true;
+		}
+	}
+
+	if (use_self)
+	{
+		// call setWeight through LLVOAvatarSelf so other wearables can be updated with the correct values
+		mAvatarAppearance->setVisualParamWeight( (LLVisualParam*)driven->mParam, driven_weight, upload_bake );
+	}
+	else
+	{
+		driven->mParam->setWeight( driven_weight, upload_bake );
+	}
+}
diff --git a/indra/llappearance/lldriverparam.h b/indra/llappearance/lldriverparam.h
new file mode 100644
index 0000000000..040c9cf5be
--- /dev/null
+++ b/indra/llappearance/lldriverparam.h
@@ -0,0 +1,144 @@
+/** 
+ * @file lldriverparam.h
+ * @brief A visual parameter that drives (controls) other visual parameters.
+ *
+ * $LicenseInfo:firstyear=2002&license=viewerlgpl$
+ * 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
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_LLDRIVERPARAM_H
+#define LL_LLDRIVERPARAM_H
+
+#include "llviewervisualparam.h"
+#include "llwearabletype.h"
+
+class LLAvatarAppearance;
+class LLDriverParam;
+class LLWearable;
+
+//-----------------------------------------------------------------------------
+
+struct LLDrivenEntryInfo
+{
+	LLDrivenEntryInfo( S32 id, F32 min1, F32 max1, F32 max2, F32 min2 )
+		: mDrivenID( id ), mMin1( min1 ), mMax1( max1 ), mMax2( max2 ), mMin2( min2 ) {}
+	S32					mDrivenID;
+	F32					mMin1;
+	F32					mMax1;
+	F32					mMax2;
+	F32					mMin2;
+};
+
+struct LLDrivenEntry
+{
+	LLDrivenEntry( LLViewerVisualParam* param, LLDrivenEntryInfo *info )
+		: mParam( param ), mInfo( info ) {}
+	LLViewerVisualParam* mParam;
+	LLDrivenEntryInfo*	 mInfo;
+};
+
+//-----------------------------------------------------------------------------
+
+class LLDriverParamInfo : public LLViewerVisualParamInfo
+{
+	friend class LLDriverParam;
+public:
+	LLDriverParamInfo();
+	/*virtual*/ ~LLDriverParamInfo() {};
+	
+	/*virtual*/ BOOL parseXml(LLXmlTreeNode* node);
+
+	/*virtual*/ void toStream(std::ostream &out);	
+
+protected:
+	typedef std::deque<LLDrivenEntryInfo> entry_info_list_t;
+	entry_info_list_t mDrivenInfoList;
+	LLDriverParam* mDriverParam; // backpointer
+};
+
+//-----------------------------------------------------------------------------
+
+LL_ALIGN_PREFIX(16)
+class LLDriverParam : public LLViewerVisualParam
+{
+private:
+	// Hide the default constructor.  Force construction with LLAvatarAppearance.
+	LLDriverParam() {}
+public:
+	LLDriverParam(LLAvatarAppearance *appearance, LLWearable* wearable = NULL);
+	~LLDriverParam();
+
+	void* operator new(size_t size)
+	{
+		return ll_aligned_malloc_16(size);
+	}
+
+	void operator delete(void* ptr)
+	{
+		ll_aligned_free_16(ptr);
+	}
+
+	// Special: These functions are overridden by child classes
+	LLDriverParamInfo*		getInfo() const { return (LLDriverParamInfo*)mInfo; }
+	//   This sets mInfo and calls initialization functions
+	BOOL					setInfo(LLDriverParamInfo *info);
+
+	LLAvatarAppearance* getAvatarAppearance() { return mAvatarAppearance; }
+	const LLAvatarAppearance* getAvatarAppearance() const { return mAvatarAppearance; }
+
+	void					updateCrossDrivenParams(LLWearableType::EType driven_type);
+
+	/*virtual*/ LLViewerVisualParam* cloneParam(LLWearable* wearable) const;
+
+	// LLVisualParam Virtual functions
+	/*virtual*/ void				apply( ESex sex ) {} // apply is called separately for each driven param.
+	/*virtual*/ void				setWeight(F32 weight, BOOL upload_bake);
+	/*virtual*/ void				setAnimationTarget( F32 target_value, BOOL upload_bake );
+	/*virtual*/ void				stopAnimating(BOOL upload_bake);
+	/*virtual*/ BOOL				linkDrivenParams(visual_param_mapper mapper, BOOL only_cross_params);
+	/*virtual*/ void				resetDrivenParams();
+	
+	// LLViewerVisualParam Virtual functions
+	/*virtual*/ F32					getTotalDistortion();
+	/*virtual*/ const LLVector4a&	getAvgDistortion();
+	/*virtual*/ F32					getMaxDistortion();
+	/*virtual*/ LLVector4a			getVertexDistortion(S32 index, LLPolyMesh *poly_mesh);
+	/*virtual*/ const LLVector4a*	getFirstDistortion(U32 *index, LLPolyMesh **poly_mesh);
+	/*virtual*/ const LLVector4a*	getNextDistortion(U32 *index, LLPolyMesh **poly_mesh);
+
+	S32								getDrivenParamsCount() const;
+	const LLViewerVisualParam*		getDrivenParam(S32 index) const;
+
+protected:
+	F32 getDrivenWeight(const LLDrivenEntry* driven, F32 input_weight);
+	void setDrivenWeight(LLDrivenEntry *driven, F32 driven_weight, bool upload_bake);
+
+
+	LL_ALIGN_16(LLVector4a	mDefaultVec); // temp holder
+	typedef std::vector<LLDrivenEntry> entry_list_t;
+	entry_list_t mDriven;
+	LLViewerVisualParam* mCurrentDistortionParam;
+	// Backlink only; don't make this an LLPointer.
+	LLAvatarAppearance* mAvatarAppearance;
+	LLWearable* mWearablep;
+} LL_ALIGN_POSTFIX(16);
+
+#endif  // LL_LLDRIVERPARAM_H
diff --git a/indra/llappearance/lljointpickname.h b/indra/llappearance/lljointpickname.h
new file mode 100644
index 0000000000..1d41a761fc
--- /dev/null
+++ b/indra/llappearance/lljointpickname.h
@@ -0,0 +1,49 @@
+/** 
+ * @file lljointpickname.h
+ * @brief Defines OpenGL seleciton stack names
+ *
+ * $LicenseInfo:firstyear=2001&license=viewerlgpl$
+ * 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
+ * $/LicenseInfo$
+ */
+
+
+#ifndef LL_LLJOINTPICKNAME_H
+#define LL_LLJOINTPICKNAME_H
+
+class LLAvatarJointMesh;
+
+// Sets the OpenGL selection stack name that is pushed and popped
+// with this joint state.  The default value indicates that no name
+// should be pushed/popped.
+enum LLJointPickName
+{
+	PN_DEFAULT = -1,
+	PN_0 = 0,
+	PN_1 = 1,
+	PN_2 = 2,
+	PN_3 = 3,
+	PN_4 = 4,
+	PN_5 = 5
+};
+
+typedef std::vector<LLAvatarJointMesh*> avatar_joint_mesh_list_t;
+
+#endif // LL_LLJOINTPICKNAME_H
diff --git a/indra/llappearance/lllocaltextureobject.cpp b/indra/llappearance/lllocaltextureobject.cpp
new file mode 100644
index 0000000000..7e36a06797
--- /dev/null
+++ b/indra/llappearance/lllocaltextureobject.cpp
@@ -0,0 +1,213 @@
+/** 
+ * @file lllocaltextureobject.cpp
+ *
+ * $LicenseInfo:firstyear=2009&license=viewerlgpl$
+ * 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
+ * $/LicenseInfo$
+ */
+
+#include "linden_common.h"
+
+#include "lllocaltextureobject.h"
+
+#include "llimage.h"
+#include "llrender.h"
+#include "lltexlayer.h"
+#include "llgltexture.h"
+#include "lluuid.h"
+#include "llwearable.h"
+
+
+LLLocalTextureObject::LLLocalTextureObject() :
+	mIsBakedReady(FALSE),
+	mDiscard(MAX_DISCARD_LEVEL+1)
+{
+	mImage = NULL;
+}
+
+LLLocalTextureObject::LLLocalTextureObject(LLGLTexture* image, const LLUUID& id) :
+	mIsBakedReady(FALSE),
+	mDiscard(MAX_DISCARD_LEVEL+1)
+{
+	mImage = image;
+	gGL.getTexUnit(0)->bind(mImage);
+	mID = id;
+}
+
+LLLocalTextureObject::LLLocalTextureObject(const LLLocalTextureObject& lto) :
+	mImage(lto.mImage),
+	mID(lto.mID),
+	mIsBakedReady(lto.mIsBakedReady),
+	mDiscard(lto.mDiscard)
+{
+	U32 num_layers = lto.getNumTexLayers();
+	mTexLayers.reserve(num_layers);
+	for (U32 index = 0; index < num_layers; index++)
+	{
+		LLTexLayer* original_layer = lto.getTexLayer(index);
+		if (!original_layer)
+		{
+			llerrs << "could not clone Local Texture Object: unable to extract texlayer!" << llendl;
+			continue;
+		}
+
+		LLTexLayer* new_layer = new LLTexLayer(*original_layer);
+		new_layer->setLTO(this);
+		mTexLayers.push_back(new_layer);
+	}
+}
+
+LLLocalTextureObject::~LLLocalTextureObject()
+{
+}
+
+LLGLTexture* LLLocalTextureObject::getImage() const
+{
+	return mImage;
+}
+
+LLTexLayer* LLLocalTextureObject::getTexLayer(U32 index) const
+{
+	if (index >= getNumTexLayers())
+	{
+		return NULL;
+	}
+
+	return mTexLayers[index];
+}
+
+LLTexLayer* LLLocalTextureObject::getTexLayer(const std::string &name)
+{
+	for( tex_layer_vec_t::iterator iter = mTexLayers.begin(); iter != mTexLayers.end(); iter++)
+	{
+		LLTexLayer *layer = *iter;
+		if (layer->getName().compare(name) == 0)
+		{
+			return layer;
+		}
+	}
+
+	return NULL;
+}
+
+U32 LLLocalTextureObject::getNumTexLayers() const
+{
+	return mTexLayers.size();
+}
+
+LLUUID LLLocalTextureObject::getID() const
+{
+	return mID;
+}
+
+S32 LLLocalTextureObject::getDiscard() const
+{
+	return mDiscard;
+}
+
+BOOL LLLocalTextureObject::getBakedReady() const
+{
+	return mIsBakedReady;
+}
+
+void LLLocalTextureObject::setImage(LLGLTexture* new_image)
+{
+	mImage = new_image;
+}
+
+BOOL LLLocalTextureObject::setTexLayer(LLTexLayer *new_tex_layer, U32 index)
+{
+	if (index >= getNumTexLayers() )
+	{
+		return FALSE;
+	}
+
+	if (new_tex_layer == NULL)
+	{
+		return removeTexLayer(index);
+	}
+
+	LLTexLayer *layer = new LLTexLayer(*new_tex_layer);
+	layer->setLTO(this);
+
+	if (mTexLayers[index])
+	{
+		delete mTexLayers[index];
+	}
+	mTexLayers[index] = layer;
+
+	return TRUE;
+}
+
+BOOL LLLocalTextureObject::addTexLayer(LLTexLayer *new_tex_layer, LLWearable *wearable)
+{
+	if (new_tex_layer == NULL)
+	{
+		return FALSE;
+	}
+
+	LLTexLayer *layer = new LLTexLayer(*new_tex_layer, wearable);
+	layer->setLTO(this);
+	mTexLayers.push_back(layer);
+	return TRUE;
+}
+
+BOOL LLLocalTextureObject::addTexLayer(LLTexLayerTemplate *new_tex_layer, LLWearable *wearable)
+{
+	if (new_tex_layer == NULL)
+	{
+		return FALSE;
+	}
+
+	LLTexLayer *layer = new LLTexLayer(*new_tex_layer, this, wearable);
+	layer->setLTO(this);
+	mTexLayers.push_back(layer);
+	return TRUE;
+}
+
+BOOL LLLocalTextureObject::removeTexLayer(U32 index)
+{
+	if (index >= getNumTexLayers())
+	{
+		return FALSE;
+	}
+	tex_layer_vec_t::iterator iter = mTexLayers.begin();
+	iter += index;
+
+	delete *iter;
+	mTexLayers.erase(iter);
+	return TRUE;
+}
+
+void LLLocalTextureObject::setID(LLUUID new_id)
+{
+	mID = new_id;
+}
+
+void LLLocalTextureObject::setDiscard(S32 new_discard)
+{
+	mDiscard = new_discard;
+}
+
+void LLLocalTextureObject::setBakedReady(BOOL ready)
+{
+	mIsBakedReady = ready;
+}
+
diff --git a/indra/llappearance/lllocaltextureobject.h b/indra/llappearance/lllocaltextureobject.h
new file mode 100644
index 0000000000..9b9f41fd19
--- /dev/null
+++ b/indra/llappearance/lllocaltextureobject.h
@@ -0,0 +1,86 @@
+/** 
+ * @file lllocaltextureobject.h
+ * @brief LLLocalTextureObject class header file
+ *
+ * $LicenseInfo:firstyear=2009&license=viewerlgpl$
+ * 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
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_LOCALTEXTUREOBJECT_H
+#define LL_LOCALTEXTUREOBJECT_H
+
+#include <boost/shared_ptr.hpp>
+
+#include "llpointer.h"
+#include "llgltexture.h"
+
+class LLTexLayer;
+class LLTexLayerTemplate;
+class LLWearable;
+
+// Stores all relevant information for a single texture 
+// assumed to have ownership of all objects referred to - 
+// will delete objects when being replaced or if object is destroyed.
+class LLLocalTextureObject
+{
+public:
+	LLLocalTextureObject();
+	LLLocalTextureObject(LLGLTexture* image, const LLUUID& id);
+	LLLocalTextureObject(const LLLocalTextureObject& lto);
+	~LLLocalTextureObject();
+
+	LLGLTexture* getImage() const;
+	LLTexLayer* getTexLayer(U32 index) const;
+	LLTexLayer* getTexLayer(const std::string &name);
+	U32 		getNumTexLayers() const;
+	LLUUID		getID() const;
+	S32			getDiscard() const;
+	BOOL		getBakedReady() const;
+
+	void setImage(LLGLTexture* new_image);
+	BOOL setTexLayer(LLTexLayer *new_tex_layer, U32 index);
+	BOOL addTexLayer(LLTexLayer *new_tex_layer, LLWearable *wearable);
+	BOOL addTexLayer(LLTexLayerTemplate *new_tex_layer, LLWearable *wearable);
+	BOOL removeTexLayer(U32 index);
+
+	void setID(LLUUID new_id);
+	void setDiscard(S32 new_discard);
+	void setBakedReady(BOOL ready);
+
+protected:
+
+private:
+
+	LLPointer<LLGLTexture>			mImage;
+	// NOTE: LLLocalTextureObject should be the exclusive owner of mTexEntry and mTexLayer
+	// using shared pointers here only for smart assignment & cleanup
+	// do NOT create new shared pointers to these objects, or keep pointers to them around
+	typedef std::vector<LLTexLayer*> tex_layer_vec_t;
+	tex_layer_vec_t mTexLayers;
+
+	LLUUID			mID;
+
+	BOOL mIsBakedReady;
+	S32 mDiscard;
+};
+
+ #endif // LL_LOCALTEXTUREOBJECT_H
+
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
diff --git a/indra/llappearance/llpolymesh.h b/indra/llappearance/llpolymesh.h
new file mode 100644
index 0000000000..ef1dfb1adb
--- /dev/null
+++ b/indra/llappearance/llpolymesh.h
@@ -0,0 +1,369 @@
+/** 
+ * @file llpolymesh.h
+ * @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
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_LLPOLYMESHINTERFACE_H
+#define LL_LLPOLYMESHINTERFACE_H
+
+#include <string>
+#include <map>
+#include "llstl.h"
+
+#include "v3math.h"
+#include "v2math.h"
+#include "llquaternion.h"
+#include "llpolymorph.h"
+#include "lljoint.h"
+//#include "lldarray.h"
+
+class LLSkinJoint;
+class LLAvatarAppearance;
+class LLWearable;
+
+//#define USE_STRIPS	// Use tri-strips for rendering.
+
+//-----------------------------------------------------------------------------
+// LLPolyFace
+// A set of 4 vertex indices.
+// An LLPolyFace can represent either a triangle or quad.
+// If the last index is -1, it's a triangle.
+//-----------------------------------------------------------------------------
+typedef S32 LLPolyFace[3];
+
+//struct PrimitiveGroup;
+
+//-----------------------------------------------------------------------------
+// LLPolyMesh
+// A polyhedra consisting of any number of triangles and quads.
+// All instances contain a set of faces, and optionally may include
+// faces grouped into named face sets.
+//-----------------------------------------------------------------------------
+class LLPolyMorphTarget;
+
+class LLPolyMeshSharedData
+{
+	friend class LLPolyMesh;
+private:
+	// transform data
+	LLVector3				mPosition;
+	LLQuaternion			mRotation;
+	LLVector3				mScale;
+							
+	// vertex data			
+	S32						mNumVertices;
+	LLVector4a				*mBaseCoords;
+	LLVector4a				*mBaseNormals;
+	LLVector4a				*mBaseBinormals;
+	LLVector2				*mTexCoords;
+	LLVector2				*mDetailTexCoords;
+	F32						*mWeights;
+	
+	BOOL					mHasWeights;
+	BOOL					mHasDetailTexCoords;
+
+	// face data			
+	S32						mNumFaces;
+	LLPolyFace				*mFaces;
+							
+	// face set data		
+	U32						mNumJointNames;
+	std::string*			mJointNames;
+
+	// morph targets
+	typedef std::set<LLPolyMorphData*> morphdata_list_t;
+	morphdata_list_t			mMorphData;
+
+	std::map<S32, S32> 			mSharedVerts;
+	
+	LLPolyMeshSharedData*		mReferenceData;
+	S32							mLastIndexOffset;
+
+public:
+	// Temporarily...
+	// Triangle indices
+	U32				mNumTriangleIndices;
+	U32				*mTriangleIndices;
+
+public:
+	LLPolyMeshSharedData();
+	~LLPolyMeshSharedData();
+
+private:
+	void setupLOD(LLPolyMeshSharedData* reference_data);
+
+	// Frees all mesh memory resources 
+	void freeMeshData();
+
+	void setPosition( const LLVector3 &pos ) { 	mPosition = pos; }
+	void setRotation( const LLQuaternion &rot ) { mRotation = rot; }
+	void setScale( const LLVector3 &scale ) { mScale = scale; }
+
+	BOOL allocateVertexData( U32 numVertices );
+
+	BOOL allocateFaceData( U32 numFaces );
+
+	BOOL allocateJointNames( U32 numJointNames );
+
+	// Retrieve the number of KB of memory used by this instance
+	U32 getNumKB();
+
+	// Load mesh data from file
+	BOOL loadMesh( const std::string& fileName );
+
+public:
+	void genIndices(S32 offset);
+
+	const LLVector2 &getUVs(U32 index);
+
+	const S32	*getSharedVert(S32 vert);
+
+	BOOL isLOD() { return (mReferenceData != NULL); }
+};
+
+
+class LLJointRenderData
+{
+public:
+	LLJointRenderData(const LLMatrix4* world_matrix, LLSkinJoint* skin_joint) : mWorldMatrix(world_matrix), mSkinJoint(skin_joint) {}
+	~LLJointRenderData(){}
+
+	const LLMatrix4*		mWorldMatrix;
+	LLSkinJoint*			mSkinJoint;
+};
+
+
+class LLPolyMesh
+{
+public:
+	
+	// Constructor
+	LLPolyMesh(LLPolyMeshSharedData *shared_data, LLPolyMesh *reference_mesh);
+
+	// Destructor 
+	~LLPolyMesh();
+
+	// Requests a mesh by name.
+	// If the mesh already exists in the global mesh table, it is returned,
+	// otherwise it is loaded from file, added to the table, and returned.
+	static LLPolyMesh *getMesh( const std::string &name, LLPolyMesh* reference_mesh = NULL);
+
+	// Frees all loaded meshes.
+	// This should only be called once you know there are no outstanding
+	// references to these objects.  Generally, upon exit of the application.
+	static void freeAllMeshes();
+
+	//--------------------------------------------------------------------
+	// Transform Data Access
+	//--------------------------------------------------------------------
+	// Get position
+	const LLVector3 &getPosition() { 
+		llassert (mSharedData);
+		return mSharedData->mPosition; 
+	}
+
+	// Get rotation
+	const LLQuaternion &getRotation() { 
+		llassert (mSharedData);
+		return mSharedData->mRotation; 
+	}
+
+	// Get scale
+	const LLVector3 &getScale() { 
+		llassert (mSharedData);
+		return mSharedData->mScale; 
+	}
+
+	//--------------------------------------------------------------------
+	// Vertex Data Access
+	//--------------------------------------------------------------------
+	// Get number of vertices
+	U32 getNumVertices() { 
+		llassert (mSharedData);
+		return mSharedData->mNumVertices; 
+	}
+
+	// Returns whether or not the mesh has detail texture coords
+	BOOL hasDetailTexCoords() { 
+		llassert (mSharedData);
+		return mSharedData->mHasDetailTexCoords; 
+	}
+
+	// Returns whether or not the mesh has vertex weights
+	BOOL hasWeights() const{ 
+		llassert (mSharedData);
+		return mSharedData->mHasWeights; 
+	}
+
+	// Get coords
+	const LLVector4a	*getCoords() const{
+		return mCoords;
+	}
+
+	// non const version
+	LLVector4a *getWritableCoords();
+
+	// Get normals
+	const LLVector4a	*getNormals() const{ 
+		return mNormals; 
+	}
+
+	// Get normals
+	const LLVector4a	*getBinormals() const{ 
+		return mBinormals; 
+	}
+
+	// Get base mesh normals
+	const LLVector4a *getBaseNormals() const{
+		llassert(mSharedData);
+		return mSharedData->mBaseNormals;
+	}
+
+	// Get base mesh normals
+	const LLVector4a *getBaseBinormals() const{
+		llassert(mSharedData);
+		return mSharedData->mBaseBinormals;
+	}
+
+	// intermediate morphed normals and output normals
+	LLVector4a *getWritableNormals();
+	LLVector4a *getScaledNormals();
+
+	LLVector4a *getWritableBinormals();
+	LLVector4a *getScaledBinormals();
+
+	// Get texCoords
+	const LLVector2	*getTexCoords() const { 
+		return mTexCoords; 
+	}
+
+	// non const version
+	LLVector2 *getWritableTexCoords();
+
+	// Get detailTexCoords
+	const LLVector2	*getDetailTexCoords() const { 
+		llassert (mSharedData);
+		return mSharedData->mDetailTexCoords; 
+	}
+
+	// Get weights
+	const F32 *getWeights() const {
+		llassert (mSharedData);
+		return mSharedData->mWeights;
+	}
+
+	F32			*getWritableWeights() const;
+
+	LLVector4a	*getWritableClothingWeights();
+
+	const LLVector4a		*getClothingWeights()
+	{
+		return mClothingWeights;	
+	}
+
+	//--------------------------------------------------------------------
+	// Face Data Access
+	//--------------------------------------------------------------------
+	// Get number of faces
+	S32 getNumFaces() { 
+		llassert (mSharedData);
+		return mSharedData->mNumFaces; 
+	}
+
+	// Get faces
+	LLPolyFace *getFaces() { 
+		llassert (mSharedData);
+		return mSharedData->mFaces;
+	}
+
+	U32 getNumJointNames() { 
+		llassert (mSharedData);
+		return mSharedData->mNumJointNames; 
+	}
+
+	std::string *getJointNames() { 
+		llassert (mSharedData);
+		return mSharedData->mJointNames;
+	}
+
+	LLPolyMorphData*	getMorphData(const std::string& morph_name);
+// 	void	removeMorphData(LLPolyMorphData *morph_target);
+// 	void	deleteAllMorphData();
+
+	LLPolyMeshSharedData *getSharedData() const;
+	LLPolyMesh *getReferenceMesh() { return mReferenceMesh ? mReferenceMesh : this; }
+
+	// Get indices
+	U32*	getIndices() { return mSharedData ? mSharedData->mTriangleIndices : NULL; }
+
+	BOOL	isLOD() { return mSharedData && mSharedData->isLOD(); }
+
+	void setAvatar(LLAvatarAppearance* avatarp) { mAvatarp = avatarp; }
+	LLAvatarAppearance* getAvatar() { return mAvatarp; }
+
+	LLDynamicArray<LLJointRenderData*>	mJointRenderData;
+
+	U32				mFaceVertexOffset;
+	U32				mFaceVertexCount;
+	U32				mFaceIndexOffset;
+	U32				mFaceIndexCount;
+	U32				mCurVertexCount;
+private:
+	void initializeForMorph();
+
+	// Dumps diagnostic information about the global mesh table
+	static void dumpDiagInfo();
+
+protected:
+	// mesh data shared across all instances of a given mesh
+	LLPolyMeshSharedData	*mSharedData;
+	// Single array of floats for allocation / deletion
+	F32						*mVertexData;
+	// deformed vertices (resulting from application of morph targets)
+	LLVector4a				*mCoords;
+	// deformed normals (resulting from application of morph targets)
+	LLVector4a				*mScaledNormals;
+	// output normals (after normalization)
+	LLVector4a				*mNormals;
+	// deformed binormals (resulting from application of morph targets)
+	LLVector4a				*mScaledBinormals;
+	// output binormals (after normalization)
+	LLVector4a				*mBinormals;
+	// weight values that mark verts as clothing/skin
+	LLVector4a				*mClothingWeights;
+	// output texture coordinates
+	LLVector2				*mTexCoords;
+	
+	LLPolyMesh				*mReferenceMesh;
+
+	// global mesh list
+	typedef std::map<std::string, LLPolyMeshSharedData*> LLPolyMeshSharedDataTable; 
+	static LLPolyMeshSharedDataTable sGlobalSharedMeshList;
+
+	// Backlink only; don't make this an LLPointer.
+	LLAvatarAppearance* mAvatarp;
+};
+
+#endif // LL_LLPOLYMESHINTERFACE_H
+
diff --git a/indra/llappearance/llpolymorph.cpp b/indra/llappearance/llpolymorph.cpp
new file mode 100644
index 0000000000..8a17819083
--- /dev/null
+++ b/indra/llappearance/llpolymorph.cpp
@@ -0,0 +1,790 @@
+/** 
+ * @file llpolymorph.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 "llpolymorph.h"
+#include "llavatarappearance.h"
+#include "llavatarjoint.h"
+#include "llwearable.h"
+#include "llxmltree.h"
+#include "llendianswizzle.h"
+#include "llpolymesh.h"
+
+//#include "../tools/imdebug/imdebug.h"
+
+const F32 NORMAL_SOFTEN_FACTOR = 0.65f;
+
+//-----------------------------------------------------------------------------
+// LLPolyMorphData()
+//-----------------------------------------------------------------------------
+LLPolyMorphData::LLPolyMorphData(const std::string& morph_name)
+	: mName(morph_name)
+{
+	mNumIndices = 0;
+	mCurrentIndex = 0;
+	mTotalDistortion = 0.f;
+	mAvgDistortion.clear();
+	mMaxDistortion = 0.f;
+	mVertexIndices = NULL;
+	mCoords = NULL;
+	mNormals = NULL;
+	mBinormals = NULL;
+	mTexCoords = NULL;
+
+	mMesh = NULL;
+}
+
+LLPolyMorphData::LLPolyMorphData(const LLPolyMorphData &rhs) :
+	mName(rhs.mName),
+	mNumIndices(rhs.mNumIndices),
+	mTotalDistortion(rhs.mTotalDistortion),
+	mAvgDistortion(rhs.mAvgDistortion),
+	mMaxDistortion(rhs.mMaxDistortion),
+	mVertexIndices(NULL),
+	mCoords(NULL),
+	mNormals(NULL),
+	mBinormals(NULL),
+	mTexCoords(NULL)
+{
+	const S32 numVertices = mNumIndices;
+
+	U32 size = sizeof(LLVector4a)*numVertices;
+
+	mCoords = static_cast<LLVector4a*>( ll_aligned_malloc_16(size) );
+	mNormals = static_cast<LLVector4a*>( ll_aligned_malloc_16(size) );
+	mBinormals = static_cast<LLVector4a*>( ll_aligned_malloc_16(size) );
+	mTexCoords = new LLVector2[numVertices];
+	mVertexIndices = new U32[numVertices];
+	
+	for (S32 v=0; v < numVertices; v++)
+	{
+		mCoords[v] = rhs.mCoords[v];
+		mNormals[v] = rhs.mNormals[v];
+		mBinormals[v] = rhs.mBinormals[v];
+		mTexCoords[v] = rhs.mTexCoords[v];
+		mVertexIndices[v] = rhs.mVertexIndices[v];
+	}
+}
+
+//-----------------------------------------------------------------------------
+// ~LLPolyMorphData()
+//-----------------------------------------------------------------------------
+LLPolyMorphData::~LLPolyMorphData()
+{
+	freeData();
+}
+
+//-----------------------------------------------------------------------------
+// loadBinary()
+//-----------------------------------------------------------------------------
+BOOL LLPolyMorphData::loadBinary(LLFILE *fp, LLPolyMeshSharedData *mesh)
+{
+	S32 numVertices;
+	S32 numRead;
+
+	numRead = fread(&numVertices, sizeof(S32), 1, fp);
+	llendianswizzle(&numVertices, sizeof(S32), 1);
+	if (numRead != 1)
+	{
+		llwarns << "Can't read number of morph target vertices" << llendl;
+		return FALSE;
+	}
+
+	//-------------------------------------------------------------------------
+	// free any existing data
+	//-------------------------------------------------------------------------
+	freeData();
+
+	//-------------------------------------------------------------------------
+	// allocate vertices
+	//-------------------------------------------------------------------------
+	
+	U32 size = sizeof(LLVector4a)*numVertices;
+	
+	mCoords = static_cast<LLVector4a*>(ll_aligned_malloc_16(size));
+	mNormals = static_cast<LLVector4a*>(ll_aligned_malloc_16(size));
+	mBinormals = static_cast<LLVector4a*>(ll_aligned_malloc_16(size));
+	
+	mTexCoords = new LLVector2[numVertices];
+	// Actually, we are allocating more space than we need for the skiplist
+	mVertexIndices = new U32[numVertices];
+	mNumIndices = 0;
+	mTotalDistortion = 0.f;
+	mMaxDistortion = 0.f;
+	mAvgDistortion.clear();
+	mMesh = mesh;
+
+	//-------------------------------------------------------------------------
+	// read vertices
+	//-------------------------------------------------------------------------
+	for(S32 v = 0; v < numVertices; v++)
+	{
+		numRead = fread(&mVertexIndices[v], sizeof(U32), 1, fp);
+		llendianswizzle(&mVertexIndices[v], sizeof(U32), 1);
+		if (numRead != 1)
+		{
+			llwarns << "Can't read morph target vertex number" << llendl;
+			return FALSE;
+		}
+
+		if (mVertexIndices[v] > 10000)
+		{
+			llerrs << "Bad morph index: " << mVertexIndices[v] << llendl;
+		}
+
+
+		numRead = fread(&mCoords[v], sizeof(F32), 3, fp);
+		llendianswizzle(&mCoords[v], sizeof(F32), 3);
+		if (numRead != 3)
+		{
+			llwarns << "Can't read morph target vertex coordinates" << llendl;
+			return FALSE;
+		}
+
+		F32 magnitude = mCoords[v].getLength3().getF32();
+		
+		mTotalDistortion += magnitude;
+		LLVector4a t;
+		t.setAbs(mCoords[v]);
+		mAvgDistortion.add(t);
+		
+		if (magnitude > mMaxDistortion)
+		{
+			mMaxDistortion = magnitude;
+		}
+
+		numRead = fread(&mNormals[v], sizeof(F32), 3, fp);
+		llendianswizzle(&mNormals[v], sizeof(F32), 3);
+		if (numRead != 3)
+		{
+			llwarns << "Can't read morph target normal" << llendl;
+			return FALSE;
+		}
+
+		numRead = fread(&mBinormals[v], sizeof(F32), 3, fp);
+		llendianswizzle(&mBinormals[v], sizeof(F32), 3);
+		if (numRead != 3)
+		{
+			llwarns << "Can't read morph target binormal" << llendl;
+			return FALSE;
+		}
+
+
+		numRead = fread(&mTexCoords[v].mV, sizeof(F32), 2, fp);
+		llendianswizzle(&mTexCoords[v].mV, sizeof(F32), 2);
+		if (numRead != 2)
+		{
+			llwarns << "Can't read morph target uv" << llendl;
+			return FALSE;
+		}
+
+		mNumIndices++;
+	}
+
+	mAvgDistortion.mul(1.f/(F32)mNumIndices);
+	mAvgDistortion.normalize3fast();
+
+	return TRUE;
+}
+
+//-----------------------------------------------------------------------------
+// freeData()
+//-----------------------------------------------------------------------------
+void LLPolyMorphData::freeData()
+{
+	if (mCoords != NULL)
+	{
+		ll_aligned_free_16(mCoords);
+		mCoords = NULL;
+	}
+
+	if (mNormals != NULL)
+	{
+		ll_aligned_free_16(mNormals);
+		mNormals = NULL;
+	}
+
+	if (mBinormals != NULL)
+	{
+		ll_aligned_free_16(mBinormals);
+		mBinormals = NULL;
+	}
+
+	if (mTexCoords != NULL)
+	{
+		delete [] mTexCoords;
+		mTexCoords = NULL;
+	}
+
+	if (mVertexIndices != NULL)
+	{
+		delete [] mVertexIndices;
+		mVertexIndices = NULL;
+	}
+}
+
+//-----------------------------------------------------------------------------
+// LLPolyMorphTargetInfo()
+//-----------------------------------------------------------------------------
+LLPolyMorphTargetInfo::LLPolyMorphTargetInfo()
+	: mIsClothingMorph(FALSE)
+{
+}
+
+BOOL LLPolyMorphTargetInfo::parseXml(LLXmlTreeNode* node)
+{
+	llassert( node->hasName( "param" ) && node->getChildByName( "param_morph" ) );
+
+	if (!LLViewerVisualParamInfo::parseXml(node))
+		return FALSE;
+
+	// Get mixed-case name
+	static LLStdStringHandle name_string = LLXmlTree::addAttributeString("name");
+	if( !node->getFastAttributeString( name_string, mMorphName ) )
+	{
+		llwarns << "Avatar file: <param> is missing name attribute" << llendl;
+		return FALSE;  // Continue, ignoring this tag
+	}
+
+	static LLStdStringHandle clothing_morph_string = LLXmlTree::addAttributeString("clothing_morph");
+	node->getFastAttributeBOOL(clothing_morph_string, mIsClothingMorph);
+
+	LLXmlTreeNode *paramNode = node->getChildByName("param_morph");
+
+        if (NULL == paramNode)
+        {
+                llwarns << "Failed to getChildByName(\"param_morph\")"
+                        << llendl;
+                return FALSE;
+        }
+
+	for (LLXmlTreeNode* child_node = paramNode->getFirstChild();
+		 child_node;
+		 child_node = paramNode->getNextChild())
+	{
+		static LLStdStringHandle name_string = LLXmlTree::addAttributeString("name");
+		if (child_node->hasName("volume_morph"))
+		{
+			std::string volume_name;
+			if (child_node->getFastAttributeString(name_string, volume_name))
+			{
+				LLVector3 scale;
+				static LLStdStringHandle scale_string = LLXmlTree::addAttributeString("scale");
+				child_node->getFastAttributeVector3(scale_string, scale);
+				
+				LLVector3 pos;
+				static LLStdStringHandle pos_string = LLXmlTree::addAttributeString("pos");
+				child_node->getFastAttributeVector3(pos_string, pos);
+
+				mVolumeInfoList.push_back(LLPolyVolumeMorphInfo(volume_name,scale,pos));
+			}
+		}
+	}
+	
+	return TRUE;
+}
+
+//-----------------------------------------------------------------------------
+// LLPolyMorphTarget()
+//-----------------------------------------------------------------------------
+LLPolyMorphTarget::LLPolyMorphTarget(LLPolyMesh *poly_mesh)
+	: mMorphData(NULL), mMesh(poly_mesh),
+	  mVertMask(NULL),
+	  mLastSex(SEX_FEMALE),
+	  mNumMorphMasksPending(0)
+{
+}
+
+//-----------------------------------------------------------------------------
+// ~LLPolyMorphTarget()
+//-----------------------------------------------------------------------------
+LLPolyMorphTarget::~LLPolyMorphTarget()
+{
+	if (mVertMask)
+	{
+		delete mVertMask;
+	}
+}
+
+//-----------------------------------------------------------------------------
+// setInfo()
+//-----------------------------------------------------------------------------
+BOOL LLPolyMorphTarget::setInfo(LLPolyMorphTargetInfo* info)
+{
+	llassert(mInfo == NULL);
+	if (info->mID < 0)
+		return FALSE;
+	mInfo = info;
+	mID = info->mID;
+	setWeight(getDefaultWeight(), FALSE );
+
+	LLAvatarAppearance* avatarp = mMesh->getAvatar();
+	LLPolyMorphTargetInfo::volume_info_list_t::iterator iter;
+	for (iter = getInfo()->mVolumeInfoList.begin(); iter != getInfo()->mVolumeInfoList.end(); iter++)
+	{
+		LLPolyVolumeMorphInfo *volume_info = &(*iter);
+		for (S32 i = 0; i < avatarp->mNumCollisionVolumes; i++)
+		{
+			if (avatarp->mCollisionVolumes[i].getName() == volume_info->mName)
+			{
+				mVolumeMorphs.push_back(LLPolyVolumeMorph(&avatarp->mCollisionVolumes[i],
+														  volume_info->mScale,
+														  volume_info->mPos));
+				break;
+			}
+		}
+	}
+
+	std::string morph_param_name = getInfo()->mMorphName;
+	
+	mMorphData = mMesh->getMorphData(morph_param_name);
+	if (!mMorphData)
+	{
+		const std::string driven_tag = "_Driven";
+		U32 pos = morph_param_name.find(driven_tag);
+		if (pos > 0)
+		{
+			morph_param_name = morph_param_name.substr(0,pos);
+			mMorphData = mMesh->getMorphData(morph_param_name);
+		}
+	}
+	if (!mMorphData)
+	{
+		llwarns << "No morph target named " << morph_param_name << " found in mesh." << llendl;
+		return FALSE;  // Continue, ignoring this tag
+	}
+	return TRUE;
+}
+
+/*virtual*/ LLViewerVisualParam* LLPolyMorphTarget::cloneParam(LLWearable* wearable) const
+{
+	LLPolyMorphTarget *new_param = new LLPolyMorphTarget(mMesh);
+	*new_param = *this;
+	return new_param;
+}
+
+#if 0 // obsolete
+//-----------------------------------------------------------------------------
+// parseData()
+//-----------------------------------------------------------------------------
+BOOL LLPolyMorphTarget::parseData(LLXmlTreeNode* node)
+{
+	LLPolyMorphTargetInfo* info = new LLPolyMorphTargetInfo;
+
+	info->parseXml(node);
+	if (!setInfo(info))
+	{
+		delete info;
+		return FALSE;
+	}
+	return TRUE;
+}
+#endif
+
+//-----------------------------------------------------------------------------
+// getVertexDistortion()
+//-----------------------------------------------------------------------------
+LLVector4a LLPolyMorphTarget::getVertexDistortion(S32 requested_index, LLPolyMesh *mesh)
+{
+	if (!mMorphData || mMesh != mesh) return LLVector4a::getZero();
+
+	for(U32 index = 0; index < mMorphData->mNumIndices; index++)
+	{
+		if (mMorphData->mVertexIndices[index] == (U32)requested_index)
+		{
+			return mMorphData->mCoords[index];
+		}
+	}
+
+	return LLVector4a::getZero();
+}
+
+//-----------------------------------------------------------------------------
+// getFirstDistortion()
+//-----------------------------------------------------------------------------
+const LLVector4a *LLPolyMorphTarget::getFirstDistortion(U32 *index, LLPolyMesh **poly_mesh)
+{
+	if (!mMorphData) return &LLVector4a::getZero();
+
+	LLVector4a* resultVec;
+	mMorphData->mCurrentIndex = 0;
+	if (mMorphData->mNumIndices)
+	{
+		resultVec = &mMorphData->mCoords[mMorphData->mCurrentIndex];
+		if (index != NULL)
+		{
+			*index = mMorphData->mVertexIndices[mMorphData->mCurrentIndex];
+		}
+		if (poly_mesh != NULL)
+		{
+			*poly_mesh = mMesh;
+		}
+
+		return resultVec;
+	}
+	return NULL;
+}
+
+//-----------------------------------------------------------------------------
+// getNextDistortion()
+//-----------------------------------------------------------------------------
+const LLVector4a *LLPolyMorphTarget::getNextDistortion(U32 *index, LLPolyMesh **poly_mesh)
+{
+	if (!mMorphData) return &LLVector4a::getZero();
+
+	LLVector4a* resultVec;
+	mMorphData->mCurrentIndex++;
+	if (mMorphData->mCurrentIndex < mMorphData->mNumIndices)
+	{
+		resultVec = &mMorphData->mCoords[mMorphData->mCurrentIndex];
+		if (index != NULL)
+		{
+			*index = mMorphData->mVertexIndices[mMorphData->mCurrentIndex];
+		}
+		if (poly_mesh != NULL)
+		{
+			*poly_mesh = mMesh;
+		}
+		return resultVec;
+	}
+	return NULL;
+}
+
+//-----------------------------------------------------------------------------
+// getTotalDistortion()
+//-----------------------------------------------------------------------------
+F32	LLPolyMorphTarget::getTotalDistortion() 
+{ 
+	if (mMorphData) 
+	{
+		return mMorphData->mTotalDistortion; 
+	}
+	else 
+	{
+		return 0.f;
+	}
+}
+
+//-----------------------------------------------------------------------------
+// getAvgDistortion()
+//-----------------------------------------------------------------------------
+const LLVector4a& LLPolyMorphTarget::getAvgDistortion()	
+{
+	if (mMorphData) 
+	{
+		return mMorphData->mAvgDistortion; 
+	}
+	else 
+	{
+		return LLVector4a::getZero();
+	}
+}
+
+//-----------------------------------------------------------------------------
+// getMaxDistortion()
+//-----------------------------------------------------------------------------
+F32	LLPolyMorphTarget::getMaxDistortion() 
+{
+	if (mMorphData) 
+	{
+		return mMorphData->mMaxDistortion; 
+	}
+	else
+	{
+		return 0.f;
+	}
+}
+
+//-----------------------------------------------------------------------------
+// apply()
+//-----------------------------------------------------------------------------
+static LLFastTimer::DeclareTimer FTM_APPLY_MORPH_TARGET("Apply Morph");
+
+void LLPolyMorphTarget::apply( ESex avatar_sex )
+{
+	if (!mMorphData || mNumMorphMasksPending > 0)
+	{
+		return;
+	}
+
+	LLFastTimer t(FTM_APPLY_MORPH_TARGET);
+
+	mLastSex = avatar_sex;
+
+	// Check for NaN condition (NaN is detected if a variable doesn't equal itself.
+	if (mCurWeight != mCurWeight)
+	{
+		mCurWeight = 0.0;
+	}
+	if (mLastWeight != mLastWeight)
+	{
+		mLastWeight = mCurWeight+.001;
+	}
+
+	// perform differential update of morph
+	F32 delta_weight = ( getSex() & avatar_sex ) ? (mCurWeight - mLastWeight) : (getDefaultWeight() - mLastWeight);
+	// store last weight
+	mLastWeight += delta_weight;
+
+	if (delta_weight != 0.f)
+	{
+		llassert(!mMesh->isLOD());
+		LLVector4a *coords = mMesh->getWritableCoords();
+
+		LLVector4a *scaled_normals = mMesh->getScaledNormals();
+		LLVector4a *normals = mMesh->getWritableNormals();
+
+		LLVector4a *scaled_binormals = mMesh->getScaledBinormals();
+		LLVector4a *binormals = mMesh->getWritableBinormals();
+
+		LLVector4a *clothing_weights = mMesh->getWritableClothingWeights();
+		LLVector2 *tex_coords = mMesh->getWritableTexCoords();
+
+		F32 *maskWeightArray = (mVertMask) ? mVertMask->getMorphMaskWeights() : NULL;
+
+		for(U32 vert_index_morph = 0; vert_index_morph < mMorphData->mNumIndices; vert_index_morph++)
+		{
+			S32 vert_index_mesh = mMorphData->mVertexIndices[vert_index_morph];
+
+			F32 maskWeight = 1.f;
+			if (maskWeightArray)
+			{
+				maskWeight = maskWeightArray[vert_index_morph];
+			}
+
+
+			LLVector4a pos = mMorphData->mCoords[vert_index_morph];
+			pos.mul(delta_weight*maskWeight);
+			coords[vert_index_mesh].add(pos);
+
+			if (getInfo()->mIsClothingMorph && clothing_weights)
+			{
+				LLVector4a clothing_offset = mMorphData->mCoords[vert_index_morph];
+				clothing_offset.mul(delta_weight * maskWeight);
+				LLVector4a* clothing_weight = &clothing_weights[vert_index_mesh];
+				clothing_weight->add(clothing_offset);
+				clothing_weight->getF32ptr()[VW] = maskWeight;
+			}
+
+			// calculate new normals based on half angles
+			LLVector4a norm = mMorphData->mNormals[vert_index_morph];
+			norm.mul(delta_weight*maskWeight*NORMAL_SOFTEN_FACTOR);
+			scaled_normals[vert_index_mesh].add(norm);
+			norm = scaled_normals[vert_index_mesh];
+			norm.normalize3fast();
+			normals[vert_index_mesh] = norm;
+
+			// calculate new binormals
+			LLVector4a binorm = mMorphData->mBinormals[vert_index_morph];
+			binorm.mul(delta_weight*maskWeight*NORMAL_SOFTEN_FACTOR);
+			scaled_binormals[vert_index_mesh].add(binorm);
+			LLVector4a tangent;
+			tangent.setCross3(scaled_binormals[vert_index_mesh], norm);
+			LLVector4a& normalized_binormal = binormals[vert_index_mesh];
+			normalized_binormal.setCross3(norm, tangent); 
+			normalized_binormal.normalize3fast();
+			
+			tex_coords[vert_index_mesh] += mMorphData->mTexCoords[vert_index_morph] * delta_weight * maskWeight;
+		}
+
+		// now apply volume changes
+		for( volume_list_t::iterator iter = mVolumeMorphs.begin(); iter != mVolumeMorphs.end(); iter++ )
+		{
+			LLPolyVolumeMorph* volume_morph = &(*iter);
+			LLVector3 scale_delta = volume_morph->mScale * delta_weight;
+			LLVector3 pos_delta = volume_morph->mPos * delta_weight;
+			
+			volume_morph->mVolume->setScale(volume_morph->mVolume->getScale() + scale_delta);
+			volume_morph->mVolume->setPosition(volume_morph->mVolume->getPosition() + pos_delta);
+		}
+	}
+
+	if (mNext)
+	{
+		mNext->apply(avatar_sex);
+	}
+}
+
+//-----------------------------------------------------------------------------
+// applyMask()
+//-----------------------------------------------------------------------------
+void	LLPolyMorphTarget::applyMask(U8 *maskTextureData, S32 width, S32 height, S32 num_components, BOOL invert)
+{
+	LLVector4a *clothing_weights = getInfo()->mIsClothingMorph ? mMesh->getWritableClothingWeights() : NULL;
+
+	if (!mVertMask)
+	{
+		mVertMask = new LLPolyVertexMask(mMorphData);
+		mNumMorphMasksPending--;
+	}
+	else
+	{
+		// remove effect of previous mask
+		F32 *maskWeights = (mVertMask) ? mVertMask->getMorphMaskWeights() : NULL;
+
+		if (maskWeights)
+		{
+			LLVector4a *coords = mMesh->getWritableCoords();
+			LLVector4a *scaled_normals = mMesh->getScaledNormals();
+			LLVector4a *scaled_binormals = mMesh->getScaledBinormals();
+			LLVector2 *tex_coords = mMesh->getWritableTexCoords();
+
+			LLVector4Logical clothing_mask;
+			clothing_mask.clear();
+			clothing_mask.setElement<0>();
+			clothing_mask.setElement<1>();
+			clothing_mask.setElement<2>();
+
+
+			for(U32 vert = 0; vert < mMorphData->mNumIndices; vert++)
+			{
+				F32 lastMaskWeight = mLastWeight * maskWeights[vert];
+				S32 out_vert = mMorphData->mVertexIndices[vert];
+
+				// remove effect of existing masked morph
+				LLVector4a t;
+				t = mMorphData->mCoords[vert];
+				t.mul(lastMaskWeight);
+				coords[out_vert].sub(t);
+
+				t = mMorphData->mNormals[vert];
+				t.mul(lastMaskWeight*NORMAL_SOFTEN_FACTOR);
+				scaled_normals[out_vert].sub(t);
+
+				t = mMorphData->mBinormals[vert];
+				t.mul(lastMaskWeight*NORMAL_SOFTEN_FACTOR);
+				scaled_binormals[out_vert].sub(t);
+
+				tex_coords[out_vert] -= mMorphData->mTexCoords[vert] * lastMaskWeight;
+
+				if (clothing_weights)
+				{
+					LLVector4a clothing_offset = mMorphData->mCoords[vert];
+					clothing_offset.mul(lastMaskWeight);
+					LLVector4a* clothing_weight = &clothing_weights[out_vert];
+					LLVector4a t;
+					t.setSub(*clothing_weight, clothing_offset);
+					clothing_weight->setSelectWithMask(clothing_mask, t, *clothing_weight);
+				}
+			}
+		}
+	}
+
+	// set last weight to 0, since we've removed the effect of this morph
+	mLastWeight = 0.f;
+
+	mVertMask->generateMask(maskTextureData, width, height, num_components, invert, clothing_weights);
+
+	apply(mLastSex);
+}
+
+
+//-----------------------------------------------------------------------------
+// LLPolyVertexMask()
+//-----------------------------------------------------------------------------
+LLPolyVertexMask::LLPolyVertexMask(LLPolyMorphData* morph_data)
+{
+	mWeights = new F32[morph_data->mNumIndices];
+	mMorphData = morph_data;
+	mWeightsGenerated = FALSE;
+}
+
+//-----------------------------------------------------------------------------
+// ~LLPolyVertexMask()
+//-----------------------------------------------------------------------------
+LLPolyVertexMask::~LLPolyVertexMask()
+{
+	delete[] mWeights;
+}
+
+//-----------------------------------------------------------------------------
+// generateMask()
+//-----------------------------------------------------------------------------
+void LLPolyVertexMask::generateMask(U8 *maskTextureData, S32 width, S32 height, S32 num_components, BOOL invert, LLVector4a *clothing_weights)
+{
+// RN debug output that uses Image Debugger (http://www.cs.unc.edu/~baxter/projects/imdebug/)
+//	BOOL debugImg = FALSE; 
+//	if (debugImg)
+//	{
+//		if (invert)
+//		{
+//			imdebug("lum rbga=rgba b=8 w=%d h=%d *-1 %p", width, height, maskTextureData);
+//		}
+//		else
+//		{
+//			imdebug("lum rbga=rgba b=8 w=%d h=%d %p", width, height, maskTextureData);
+//		}
+//	}
+	for (U32 index = 0; index < mMorphData->mNumIndices; index++)
+	{
+		S32 vertIndex = mMorphData->mVertexIndices[index];
+		const S32 *sharedVertIndex = mMorphData->mMesh->getSharedVert(vertIndex);
+		LLVector2 uvCoords;
+
+		if (sharedVertIndex)
+		{
+			uvCoords = mMorphData->mMesh->getUVs(*sharedVertIndex);
+		}
+		else
+		{
+			uvCoords = mMorphData->mMesh->getUVs(vertIndex);
+		}
+		U32 s = llclamp((U32)(uvCoords.mV[VX] * (F32)(width - 1)), (U32)0, (U32)width - 1);
+		U32 t = llclamp((U32)(uvCoords.mV[VY] * (F32)(height - 1)), (U32)0, (U32)height - 1);
+		
+		mWeights[index] = ((F32) maskTextureData[((t * width + s) * num_components) + (num_components - 1)]) / 255.f;
+		
+		if (invert) 
+		{
+			mWeights[index] = 1.f - mWeights[index];
+		}
+
+		// now apply step function
+		// mWeights[index] = mWeights[index] > 0.95f ? 1.f : 0.f;
+
+		if (clothing_weights)
+		{
+			clothing_weights[vertIndex].getF32ptr()[VW] = mWeights[index];
+		}
+	}
+	mWeightsGenerated = TRUE;
+}
+
+//-----------------------------------------------------------------------------
+// getMaskForMorphIndex()
+//-----------------------------------------------------------------------------
+F32* LLPolyVertexMask::getMorphMaskWeights()
+{
+	if (!mWeightsGenerated)
+	{
+		return NULL;
+	}
+	
+	return mWeights;
+}
diff --git a/indra/llappearance/llpolymorph.h b/indra/llappearance/llpolymorph.h
new file mode 100644
index 0000000000..ee380ae7c3
--- /dev/null
+++ b/indra/llappearance/llpolymorph.h
@@ -0,0 +1,197 @@
+/** 
+ * @file llpolymorph.h
+ * @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
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_LLPOLYMORPH_H
+#define LL_LLPOLYMORPH_H
+
+#include <string>
+#include <vector>
+
+#include "llviewervisualparam.h"
+
+class LLAvatarJointCollisionVolume;
+class LLPolyMeshSharedData;
+class LLVector2;
+class LLAvatarJointCollisionVolume;
+class LLWearable;
+
+//-----------------------------------------------------------------------------
+// LLPolyMorphData()
+//-----------------------------------------------------------------------------
+LL_ALIGN_PREFIX(16)
+class LLPolyMorphData
+{
+public:
+	LLPolyMorphData(const std::string& morph_name);
+	~LLPolyMorphData();
+	LLPolyMorphData(const LLPolyMorphData &rhs);
+
+	void* operator new(size_t size)
+	{
+		return ll_aligned_malloc_16(size);
+	}
+
+	void operator delete(void* ptr)
+	{
+		ll_aligned_free_16(ptr);
+	}
+
+	BOOL			loadBinary(LLFILE* fp, LLPolyMeshSharedData *mesh);
+	const std::string& getName() { return mName; }
+
+public:
+	std::string			mName;
+
+	// morphology
+	U32					mNumIndices;
+	U32*				mVertexIndices;
+	U32					mCurrentIndex;
+	LLVector4a*			mCoords;
+	LLVector4a*			mNormals;
+	LLVector4a*			mBinormals;
+	LLVector2*			mTexCoords;
+
+	F32					mTotalDistortion;	// vertex distortion summed over entire morph
+	F32					mMaxDistortion;		// maximum single vertex distortion in a given morph
+	LL_ALIGN_16(LLVector4a			mAvgDistortion);		// average vertex distortion, to infer directionality of the morph
+	LLPolyMeshSharedData*	mMesh;
+
+private:
+	void freeData();
+} LL_ALIGN_POSTFIX(16);
+
+
+//-----------------------------------------------------------------------------
+// LLPolyVertexMask()
+//-----------------------------------------------------------------------------
+class LLPolyVertexMask
+{
+public:
+	LLPolyVertexMask(LLPolyMorphData* morph_data);
+	~LLPolyVertexMask();
+
+	void generateMask(U8 *maskData, S32 width, S32 height, S32 num_components, BOOL invert, LLVector4a *clothing_weights);
+	F32* getMorphMaskWeights();
+
+
+protected:
+	F32*		mWeights;
+	LLPolyMorphData *mMorphData;
+	BOOL			mWeightsGenerated;
+
+};
+
+//-----------------------------------------------------------------------------
+// LLPolyMorphTarget Data structs
+//-----------------------------------------------------------------------------
+struct LLPolyVolumeMorphInfo
+{
+	LLPolyVolumeMorphInfo(std::string &name, LLVector3 &scale, LLVector3 &pos)
+		: mName(name), mScale(scale), mPos(pos) {};
+
+	std::string						mName;
+	LLVector3						mScale;
+	LLVector3						mPos;
+};
+
+struct LLPolyVolumeMorph
+{
+	LLPolyVolumeMorph(LLAvatarJointCollisionVolume* volume, LLVector3 scale, LLVector3 pos)
+		: mVolume(volume), mScale(scale), mPos(pos) {};
+
+	LLAvatarJointCollisionVolume*	mVolume;
+	LLVector3						mScale;
+	LLVector3						mPos;
+};
+
+//-----------------------------------------------------------------------------
+// LLPolyMorphTargetInfo
+// Shared information for LLPolyMorphTargets
+//-----------------------------------------------------------------------------
+class LLPolyMorphTargetInfo : public LLViewerVisualParamInfo
+{
+	friend class LLPolyMorphTarget;
+public:
+	LLPolyMorphTargetInfo();
+	/*virtual*/ ~LLPolyMorphTargetInfo() {};
+	
+	/*virtual*/ BOOL parseXml(LLXmlTreeNode* node);
+
+protected:
+	std::string		mMorphName;
+	BOOL			mIsClothingMorph;
+	typedef std::vector<LLPolyVolumeMorphInfo> volume_info_list_t;
+	volume_info_list_t mVolumeInfoList;	
+};
+
+//-----------------------------------------------------------------------------
+// LLPolyMorphTarget
+// A set of vertex data associated with morph target.
+// These morph targets must be topologically consistent with a given Polymesh
+// (share face sets)
+//-----------------------------------------------------------------------------
+class LLPolyMorphTarget : public LLViewerVisualParam
+{
+public:
+	LLPolyMorphTarget(LLPolyMesh *poly_mesh);
+	~LLPolyMorphTarget();
+
+	// Special: These functions are overridden by child classes
+	LLPolyMorphTargetInfo*	getInfo() const { return (LLPolyMorphTargetInfo*)mInfo; }
+	//   This sets mInfo and calls initialization functions
+	BOOL					setInfo(LLPolyMorphTargetInfo *info);
+
+	/*virtual*/ LLViewerVisualParam* cloneParam(LLWearable* wearable) const;
+
+	// LLVisualParam Virtual functions
+	///*virtual*/ BOOL				parseData(LLXmlTreeNode* node);
+	/*virtual*/ void				apply( ESex sex );
+	
+	// LLViewerVisualParam Virtual functions
+	/*virtual*/ F32					getTotalDistortion();
+	/*virtual*/ const LLVector4a&	getAvgDistortion();
+	/*virtual*/ F32					getMaxDistortion();
+	/*virtual*/ LLVector4a			getVertexDistortion(S32 index, LLPolyMesh *poly_mesh);
+	/*virtual*/ const LLVector4a*	getFirstDistortion(U32 *index, LLPolyMesh **poly_mesh);
+	/*virtual*/ const LLVector4a*	getNextDistortion(U32 *index, LLPolyMesh **poly_mesh);
+
+	void	applyMask(U8 *maskData, S32 width, S32 height, S32 num_components, BOOL invert);
+	void	addPendingMorphMask() { mNumMorphMasksPending++; }
+
+protected:
+	LLPolyMorphData*				mMorphData;
+	LLPolyMesh*						mMesh;
+	LLPolyVertexMask *				mVertMask;
+	ESex							mLastSex;
+	// number of morph masks that haven't been generated, must be 0 before this morph is applied
+	BOOL							mNumMorphMasksPending;	
+
+	typedef std::vector<LLPolyVolumeMorph> volume_list_t;
+	volume_list_t 					mVolumeMorphs;
+
+};
+
+#endif // LL_LLPOLYMORPH_H
diff --git a/indra/llappearance/llpolyskeletaldistortion.cpp b/indra/llappearance/llpolyskeletaldistortion.cpp
new file mode 100644
index 0000000000..4ba16691c2
--- /dev/null
+++ b/indra/llappearance/llpolyskeletaldistortion.cpp
@@ -0,0 +1,293 @@
+/** 
+ * @file llpolyskeletaldistortion.cpp
+ * @brief Implementation of LLPolySkeletalDistortion classes
+ *
+ * $LicenseInfo:firstyear=2001&license=viewerlgpl$
+ * 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 "llpreprocessor.h"
+#include "llerrorlegacy.h"
+//#include "llcommon.h"
+//#include "llmemory.h"
+#include "llavatarappearance.h"
+#include "llavatarjoint.h"
+#include "llpolymorph.h"
+//#include "llviewercontrol.h"
+//#include "llxmltree.h"
+//#include "llvoavatar.h"
+#include "llwearable.h"
+//#include "lldir.h"
+//#include "llvolume.h"
+//#include "llendianswizzle.h"
+
+#include "llpolyskeletaldistortion.h"
+
+//-----------------------------------------------------------------------------
+// LLPolySkeletalDistortionInfo()
+//-----------------------------------------------------------------------------
+LLPolySkeletalDistortionInfo::LLPolySkeletalDistortionInfo()
+{
+}
+
+BOOL LLPolySkeletalDistortionInfo::parseXml(LLXmlTreeNode* node)
+{
+        llassert( node->hasName( "param" ) && node->getChildByName( "param_skeleton" ) );
+        
+        if (!LLViewerVisualParamInfo::parseXml(node))
+                return FALSE;
+
+        LLXmlTreeNode* skeletalParam = node->getChildByName("param_skeleton");
+
+        if (NULL == skeletalParam)
+        {
+                llwarns << "Failed to getChildByName(\"param_skeleton\")"
+                        << llendl;
+                return FALSE;
+        }
+
+        for( LLXmlTreeNode* bone = skeletalParam->getFirstChild(); bone; bone = skeletalParam->getNextChild() )
+        {
+                if (bone->hasName("bone"))
+                {
+                        std::string name;
+                        LLVector3 scale;
+                        LLVector3 pos;
+                        BOOL haspos = FALSE;
+                        
+                        static LLStdStringHandle name_string = LLXmlTree::addAttributeString("name");
+                        if (!bone->getFastAttributeString(name_string, name))
+                        {
+                                llwarns << "No bone name specified for skeletal param." << llendl;
+                                continue;
+                        }
+
+                        static LLStdStringHandle scale_string = LLXmlTree::addAttributeString("scale");
+                        if (!bone->getFastAttributeVector3(scale_string, scale))
+                        {
+                                llwarns << "No scale specified for bone " << name << "." << llendl;
+                                continue;
+                        }
+
+                        // optional offset deformation (translation)
+                        static LLStdStringHandle offset_string = LLXmlTree::addAttributeString("offset");
+                        if (bone->getFastAttributeVector3(offset_string, pos))
+                        {
+                                haspos = TRUE;
+                        }
+                        mBoneInfoList.push_back(LLPolySkeletalBoneInfo(name, scale, pos, haspos));
+                }
+                else
+                {
+                        llwarns << "Unrecognized element " << bone->getName() << " in skeletal distortion" << llendl;
+                        continue;
+                }
+        }
+        return TRUE;
+}
+
+//-----------------------------------------------------------------------------
+// LLPolySkeletalDistortion()
+//-----------------------------------------------------------------------------
+LLPolySkeletalDistortion::LLPolySkeletalDistortion(LLAvatarAppearance *avatarp)
+{
+        mAvatar = avatarp;
+        mDefaultVec.splat(0.001f);
+}
+
+//-----------------------------------------------------------------------------
+// ~LLPolySkeletalDistortion()
+//-----------------------------------------------------------------------------
+LLPolySkeletalDistortion::~LLPolySkeletalDistortion()
+{
+}
+
+BOOL LLPolySkeletalDistortion::setInfo(LLPolySkeletalDistortionInfo *info)
+{
+        llassert(mInfo == NULL);
+        if (info->mID < 0)
+                return FALSE;
+        mInfo = info;
+        mID = info->mID;
+        setWeight(getDefaultWeight(), FALSE );
+
+        LLPolySkeletalDistortionInfo::bone_info_list_t::iterator iter;
+        for (iter = getInfo()->mBoneInfoList.begin(); iter != getInfo()->mBoneInfoList.end(); iter++)
+        {
+                LLPolySkeletalBoneInfo *bone_info = &(*iter);
+                LLJoint* joint = mAvatar->getJoint(bone_info->mBoneName);
+                if (!joint)
+                {
+                        llwarns << "Joint " << bone_info->mBoneName << " not found." << llendl;
+                        continue;
+                }
+
+                if (mJointScales.find(joint) != mJointScales.end())
+                {
+                        llwarns << "Scale deformation already supplied for joint " << joint->getName() << "." << llendl;
+                }
+
+                // store it
+                mJointScales[joint] = bone_info->mScaleDeformation;
+
+                // apply to children that need to inherit it
+                for (LLJoint::child_list_t::iterator iter = joint->mChildren.begin();
+                     iter != joint->mChildren.end(); ++iter)
+                {
+                        LLAvatarJoint* child_joint = (LLAvatarJoint*)(*iter);
+                        if (child_joint->inheritScale())
+                        {
+                                LLVector3 childDeformation = LLVector3(child_joint->getScale());
+                                childDeformation.scaleVec(bone_info->mScaleDeformation);
+                                mJointScales[child_joint] = childDeformation;
+                        }
+                }
+
+                if (bone_info->mHasPositionDeformation)
+                {
+                        if (mJointOffsets.find(joint) != mJointOffsets.end())
+                        {
+                                llwarns << "Offset deformation already supplied for joint " << joint->getName() << "." << llendl;
+                        }
+                        mJointOffsets[joint] = bone_info->mPositionDeformation;
+                }
+        }
+        return TRUE;
+}
+
+/*virtual*/ LLViewerVisualParam* LLPolySkeletalDistortion::cloneParam(LLWearable* wearable) const
+{
+        LLPolySkeletalDistortion *new_param = new LLPolySkeletalDistortion(mAvatar);
+        *new_param = *this;
+        return new_param;
+}
+
+//-----------------------------------------------------------------------------
+// apply()
+//-----------------------------------------------------------------------------
+static LLFastTimer::DeclareTimer FTM_POLYSKELETAL_DISTORTION_APPLY("Skeletal Distortion");
+
+void LLPolySkeletalDistortion::apply( ESex avatar_sex )
+{
+	LLFastTimer t(FTM_POLYSKELETAL_DISTORTION_APPLY);
+
+        F32 effective_weight = ( getSex() & avatar_sex ) ? mCurWeight : getDefaultWeight();
+
+        LLJoint* joint;
+        joint_vec_map_t::iterator iter;
+
+        for (iter = mJointScales.begin();
+             iter != mJointScales.end();
+             iter++)
+        {
+                joint = iter->first;
+                LLVector3 newScale = joint->getScale();
+                LLVector3 scaleDelta = iter->second;
+                newScale = newScale + (effective_weight * scaleDelta) - (mLastWeight * scaleDelta);
+                joint->setScale(newScale);
+        }
+
+        for (iter = mJointOffsets.begin();
+             iter != mJointOffsets.end();
+             iter++)
+        {
+                joint = iter->first;
+                LLVector3 newPosition = joint->getPosition();
+                LLVector3 positionDelta = iter->second;
+                newPosition = newPosition + (effective_weight * positionDelta) - (mLastWeight * positionDelta);
+                joint->setPosition(newPosition);
+        }
+
+        if (mLastWeight != mCurWeight && !mIsAnimating)
+        {
+                mAvatar->setSkeletonSerialNum(mAvatar->getSkeletonSerialNum() + 1);
+        }
+        mLastWeight = mCurWeight;
+}
+
+
+LLPolyMorphData *clone_morph_param_duplicate(const LLPolyMorphData *src_data,
+					     const std::string &name)
+{
+        LLPolyMorphData* cloned_morph_data = new LLPolyMorphData(*src_data);
+        cloned_morph_data->mName = name;
+        for (U32 v=0; v < cloned_morph_data->mNumIndices; v++)
+        {
+                cloned_morph_data->mCoords[v] = src_data->mCoords[v];
+                cloned_morph_data->mNormals[v] = src_data->mNormals[v];
+                cloned_morph_data->mBinormals[v] = src_data->mBinormals[v];
+        }
+        return cloned_morph_data;
+}
+
+LLPolyMorphData *clone_morph_param_direction(const LLPolyMorphData *src_data,
+					     const LLVector3 &direction,
+					     const std::string &name)
+{
+        LLPolyMorphData* cloned_morph_data = new LLPolyMorphData(*src_data);
+        cloned_morph_data->mName = name;
+		LLVector4a dir;
+		dir.load3(direction.mV);
+
+        for (U32 v=0; v < cloned_morph_data->mNumIndices; v++)
+        {
+                cloned_morph_data->mCoords[v] = dir;
+                cloned_morph_data->mNormals[v].clear();
+                cloned_morph_data->mBinormals[v].clear();
+        }
+        return cloned_morph_data;
+}
+
+LLPolyMorphData *clone_morph_param_cleavage(const LLPolyMorphData *src_data,
+                                            F32 scale,
+                                            const std::string &name)
+{
+        LLPolyMorphData* cloned_morph_data = new LLPolyMorphData(*src_data);
+        cloned_morph_data->mName = name;
+
+		LLVector4a sc;
+		sc.splat(scale);
+
+		LLVector4a nsc;
+		nsc.set(scale, -scale, scale, scale);
+
+        for (U32 v=0; v < cloned_morph_data->mNumIndices; v++)
+        {
+            if (cloned_morph_data->mCoords[v][1] < 0)
+            {
+                cloned_morph_data->mCoords[v].setMul(src_data->mCoords[v],nsc);
+				cloned_morph_data->mNormals[v].setMul(src_data->mNormals[v],nsc);
+				cloned_morph_data->mBinormals[v].setMul(src_data->mBinormals[v],nsc);
+			}
+			else
+			{
+				cloned_morph_data->mCoords[v].setMul(src_data->mCoords[v],sc);
+				cloned_morph_data->mNormals[v].setMul(src_data->mNormals[v], sc);
+				cloned_morph_data->mBinormals[v].setMul(src_data->mBinormals[v],sc);
+			}
+        }
+        return cloned_morph_data;
+}
+
+// End
diff --git a/indra/llappearance/llpolyskeletaldistortion.h b/indra/llappearance/llpolyskeletaldistortion.h
new file mode 100644
index 0000000000..774bc7dfa2
--- /dev/null
+++ b/indra/llappearance/llpolyskeletaldistortion.h
@@ -0,0 +1,131 @@
+/** 
+ * @file llpolyskeletaldistortion.h
+ * @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
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_LLPOLYSKELETALDISTORTION_H
+#define LL_LLPOLYSKELETALDISTORTION_H
+
+#include "llcommon.h"
+
+#include <string>
+#include <map>
+#include "llstl.h"
+
+#include "v3math.h"
+#include "v2math.h"
+#include "llquaternion.h"
+//#include "llpolymorph.h"
+#include "lljoint.h"
+#include "llviewervisualparam.h"
+//#include "lldarray.h"
+
+//class LLSkinJoint;
+class LLAvatarAppearance;
+
+//#define USE_STRIPS	// Use tri-strips for rendering.
+
+//-----------------------------------------------------------------------------
+// LLPolySkeletalDeformationInfo
+// Shared information for LLPolySkeletalDeformations
+//-----------------------------------------------------------------------------
+struct LLPolySkeletalBoneInfo
+{
+	LLPolySkeletalBoneInfo(std::string &name, LLVector3 &scale, LLVector3 &pos, BOOL haspos)
+		: mBoneName(name),
+		  mScaleDeformation(scale),
+		  mPositionDeformation(pos),
+		  mHasPositionDeformation(haspos) {}
+	std::string mBoneName;
+	LLVector3 mScaleDeformation;
+	LLVector3 mPositionDeformation;
+	BOOL mHasPositionDeformation;
+};
+
+LL_ALIGN_PREFIX(16)
+class LLPolySkeletalDistortionInfo : public LLViewerVisualParamInfo
+{
+	friend class LLPolySkeletalDistortion;
+public:
+	
+	LLPolySkeletalDistortionInfo();
+	/*virtual*/ ~LLPolySkeletalDistortionInfo() {};
+	
+	/*virtual*/ BOOL parseXml(LLXmlTreeNode* node);
+
+protected:
+	typedef std::vector<LLPolySkeletalBoneInfo> bone_info_list_t;
+	bone_info_list_t mBoneInfoList;
+};
+
+//-----------------------------------------------------------------------------
+// LLPolySkeletalDeformation
+// A set of joint scale data for deforming the avatar mesh
+//-----------------------------------------------------------------------------
+class LLPolySkeletalDistortion : public LLViewerVisualParam
+{
+public:
+	void* operator new(size_t size)
+	{
+		return ll_aligned_malloc_16(size);
+	}
+
+	void operator delete(void* ptr)
+	{
+		ll_aligned_free_16(ptr);
+	}
+
+	LLPolySkeletalDistortion(LLAvatarAppearance *avatarp);
+	~LLPolySkeletalDistortion();
+
+	// Special: These functions are overridden by child classes
+	LLPolySkeletalDistortionInfo*	getInfo() const { return (LLPolySkeletalDistortionInfo*)mInfo; }
+	//   This sets mInfo and calls initialization functions
+	BOOL							setInfo(LLPolySkeletalDistortionInfo *info);
+
+	/*virtual*/ LLViewerVisualParam* cloneParam(LLWearable* wearable) const;
+
+	// LLVisualParam Virtual functions
+	///*virtual*/ BOOL				parseData(LLXmlTreeNode* node);
+	/*virtual*/ void				apply( ESex sex );
+	
+	// LLViewerVisualParam Virtual functions
+	/*virtual*/ F32					getTotalDistortion() { return 0.1f; }
+	/*virtual*/ const LLVector4a&	getAvgDistortion()	{ return mDefaultVec; }
+	/*virtual*/ F32					getMaxDistortion() { return 0.1f; }
+	/*virtual*/ LLVector4a			getVertexDistortion(S32 index, LLPolyMesh *poly_mesh){return LLVector4a(0.001f, 0.001f, 0.001f);}
+	/*virtual*/ const LLVector4a*	getFirstDistortion(U32 *index, LLPolyMesh **poly_mesh){index = 0; poly_mesh = NULL; return &mDefaultVec;};
+	/*virtual*/ const LLVector4a*	getNextDistortion(U32 *index, LLPolyMesh **poly_mesh){index = 0; poly_mesh = NULL; return NULL;};
+
+protected:
+	LL_ALIGN_16(LLVector4a mDefaultVec);
+	typedef std::map<LLJoint*, LLVector3> joint_vec_map_t;
+	joint_vec_map_t mJointScales;
+	joint_vec_map_t mJointOffsets;
+	// Backlink only; don't make this an LLPointer.
+	LLAvatarAppearance *mAvatar;
+} LL_ALIGN_POSTFIX(16);
+
+#endif // LL_LLPOLYSKELETALDISTORTION_H
+
diff --git a/indra/llappearance/lltexglobalcolor.cpp b/indra/llappearance/lltexglobalcolor.cpp
new file mode 100644
index 0000000000..f38b982104
--- /dev/null
+++ b/indra/llappearance/lltexglobalcolor.cpp
@@ -0,0 +1,152 @@
+/** 
+ * @file lltexlayerglobalcolor.cpp
+ * @brief Color for texture layers.
+ *
+ * $LicenseInfo:firstyear=2008&license=viewerlgpl$
+ * 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
+ * $/LicenseInfo$
+ */
+
+#include "linden_common.h"
+#include "llavatarappearance.h"
+#include "lltexlayer.h"
+#include "lltexglobalcolor.h"
+
+class LLWearable;
+
+//-----------------------------------------------------------------------------
+// LLTexGlobalColor
+//-----------------------------------------------------------------------------
+
+LLTexGlobalColor::LLTexGlobalColor(LLAvatarAppearance* appearance)
+	:
+	mAvatarAppearance(appearance),
+	mInfo(NULL)
+{
+}
+
+LLTexGlobalColor::~LLTexGlobalColor()
+{
+	// mParamColorList are LLViewerVisualParam's and get deleted with ~LLCharacter()
+	//std::for_each(mParamColorList.begin(), mParamColorList.end(), DeletePointer());
+}
+
+BOOL LLTexGlobalColor::setInfo(LLTexGlobalColorInfo *info)
+{
+	llassert(mInfo == NULL);
+	mInfo = info;
+	//mID = info->mID; // No ID
+
+	mParamGlobalColorList.reserve(mInfo->mParamColorInfoList.size());
+	for (param_color_info_list_t::iterator iter = mInfo->mParamColorInfoList.begin(); 
+		 iter != mInfo->mParamColorInfoList.end(); 
+		 iter++)
+	{
+		LLTexParamGlobalColor* param_color = new LLTexParamGlobalColor(this);
+		if (!param_color->setInfo(*iter, TRUE))
+		{
+			mInfo = NULL;
+			return FALSE;
+		}
+		mParamGlobalColorList.push_back(param_color);
+	}
+	
+	return TRUE;
+}
+
+LLColor4 LLTexGlobalColor::getColor() const
+{
+	// Sum of color params
+	if (mParamGlobalColorList.empty())
+		return LLColor4(1.f, 1.f, 1.f, 1.f);
+
+	LLColor4 net_color(0.f, 0.f, 0.f, 0.f);
+	LLTexLayer::calculateTexLayerColor(mParamGlobalColorList, net_color);
+	return net_color;
+}
+
+const std::string& LLTexGlobalColor::getName() const
+{ 
+	return mInfo->mName; 
+}
+
+//-----------------------------------------------------------------------------
+// LLTexParamGlobalColor
+//-----------------------------------------------------------------------------
+LLTexParamGlobalColor::LLTexParamGlobalColor(LLTexGlobalColor* tex_global_color) :
+	LLTexLayerParamColor(tex_global_color->getAvatarAppearance()),
+	mTexGlobalColor(tex_global_color)
+{
+}
+
+/*virtual*/ LLViewerVisualParam* LLTexParamGlobalColor::cloneParam(LLWearable* wearable) const
+{
+	LLTexParamGlobalColor *new_param = new LLTexParamGlobalColor(mTexGlobalColor);
+	*new_param = *this;
+	return new_param;
+}
+
+void LLTexParamGlobalColor::onGlobalColorChanged(bool upload_bake)
+{
+	mAvatarAppearance->onGlobalColorChanged(mTexGlobalColor, upload_bake);
+}
+
+//-----------------------------------------------------------------------------
+// LLTexGlobalColorInfo
+//-----------------------------------------------------------------------------
+
+LLTexGlobalColorInfo::LLTexGlobalColorInfo()
+{
+}
+
+
+LLTexGlobalColorInfo::~LLTexGlobalColorInfo()
+{
+	for_each(mParamColorInfoList.begin(), mParamColorInfoList.end(), DeletePointer());
+}
+
+BOOL LLTexGlobalColorInfo::parseXml(LLXmlTreeNode* node)
+{
+	// name attribute
+	static LLStdStringHandle name_string = LLXmlTree::addAttributeString("name");
+	if (!node->getFastAttributeString(name_string, mName))
+	{
+		llwarns << "<global_color> element is missing name attribute." << llendl;
+		return FALSE;
+	}
+	// <param> sub-element
+	for (LLXmlTreeNode* child = node->getChildByName("param");
+		 child;
+		 child = node->getNextNamedChild())
+	{
+		if (child->getChildByName("param_color"))
+		{
+			// <param><param_color/></param>
+			LLTexLayerParamColorInfo* info = new LLTexLayerParamColorInfo();
+			if (!info->parseXml(child))
+			{
+				delete info;
+				return FALSE;
+			}
+			mParamColorInfoList.push_back(info);
+		}
+	}
+	return TRUE;
+}
diff --git a/indra/llappearance/lltexglobalcolor.h b/indra/llappearance/lltexglobalcolor.h
new file mode 100644
index 0000000000..2867479876
--- /dev/null
+++ b/indra/llappearance/lltexglobalcolor.h
@@ -0,0 +1,83 @@
+/** 
+ * @file lltexglobalcolor.h
+ * @brief This is global texture color info used by llavatarappearance.
+ *
+ * $LicenseInfo:firstyear=2008&license=viewerlgpl$
+ * 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
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_LLTEXGLOBALCOLOR_H
+#define LL_LLTEXGLOBALCOLOR_H
+
+#include "lltexlayer.h"
+#include "lltexlayerparams.h"
+
+class LLAvatarAppearance;
+class LLWearable;
+class LLTexGlobalColorInfo;
+
+class LLTexGlobalColor
+{
+public:
+	LLTexGlobalColor( LLAvatarAppearance* appearance );
+	~LLTexGlobalColor();
+
+	LLTexGlobalColorInfo*	getInfo() const { return mInfo; }
+	//   This sets mInfo and calls initialization functions
+	BOOL					setInfo(LLTexGlobalColorInfo *info);
+	
+	LLAvatarAppearance*		getAvatarAppearance()	const	   	{ return mAvatarAppearance; }
+	LLColor4				getColor() const;
+	const std::string&		getName() const;
+
+private:
+	param_color_list_t		mParamGlobalColorList;
+	LLAvatarAppearance*		mAvatarAppearance;  // just backlink, don't LLPointer 
+	LLTexGlobalColorInfo	*mInfo;
+};
+
+// Used by llavatarappearance to determine skin/eye/hair color.
+class LLTexGlobalColorInfo
+{
+	friend class LLTexGlobalColor;
+public:
+	LLTexGlobalColorInfo();
+	~LLTexGlobalColorInfo();
+
+	BOOL parseXml(LLXmlTreeNode* node);
+
+private:
+	param_color_info_list_t		mParamColorInfoList;
+	std::string				mName;
+};
+
+class LLTexParamGlobalColor : public LLTexLayerParamColor
+{
+public:
+	LLTexParamGlobalColor(LLTexGlobalColor *tex_color);
+	/*virtual*/ LLViewerVisualParam* cloneParam(LLWearable* wearable) const;
+protected:
+	/*virtual*/ void onGlobalColorChanged(bool upload_bake);
+private:
+	LLTexGlobalColor*		mTexGlobalColor;
+};
+
+#endif
diff --git a/indra/llappearance/lltexlayer.cpp b/indra/llappearance/lltexlayer.cpp
new file mode 100644
index 0000000000..f951a982e5
--- /dev/null
+++ b/indra/llappearance/lltexlayer.cpp
@@ -0,0 +1,2019 @@
+/** 
+ * @file lltexlayer.cpp
+ * @brief A texture layer. Used for avatars.
+ *
+ * $LicenseInfo:firstyear=2002&license=viewerlgpl$
+ * 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
+ * $/LicenseInfo$
+ */
+
+#include "linden_common.h"
+
+#include "lltexlayer.h"
+
+#include "llavatarappearance.h"
+#include "llcrc.h"
+#include "imageids.h"
+#include "llimagej2c.h"
+#include "llimagetga.h"
+#include "lldir.h"
+#include "llvfile.h"
+#include "llvfs.h"
+#include "lltexlayerparams.h"
+#include "lltexturemanagerbridge.h"
+#include "../llui/llui.h"
+#include "llwearable.h"
+#include "llwearabledata.h"
+#include "llvertexbuffer.h"
+#include "llviewervisualparam.h"
+
+//#include "../tools/imdebug/imdebug.h"
+
+using namespace LLAvatarAppearanceDefines;
+
+// runway consolidate
+extern std::string self_av_string();
+
+class LLTexLayerInfo
+{
+	friend class LLTexLayer;
+	friend class LLTexLayerTemplate;
+	friend class LLTexLayerInterface;
+public:
+	LLTexLayerInfo();
+	~LLTexLayerInfo();
+
+	BOOL parseXml(LLXmlTreeNode* node);
+	BOOL createVisualParams(LLAvatarAppearance *appearance);
+	BOOL isUserSettable() { return mLocalTexture != -1;	}
+	S32  getLocalTexture() const { return mLocalTexture; }
+	BOOL getOnlyAlpha() const { return mUseLocalTextureAlphaOnly; }
+	std::string getName() const { return mName;	}
+
+private:
+	std::string				mName;
+	
+	BOOL					mWriteAllChannels; // Don't use masking.  Just write RGBA into buffer,
+	LLTexLayerInterface::ERenderPass mRenderPass;
+
+	std::string				mGlobalColor;
+	LLColor4				mFixedColor;
+
+	S32						mLocalTexture;
+	std::string				mStaticImageFileName;
+	BOOL					mStaticImageIsMask;
+	BOOL					mUseLocalTextureAlphaOnly; // Ignore RGB channels from the input texture.  Use alpha as a mask
+	BOOL					mIsVisibilityMask;
+
+	typedef std::vector< std::pair< std::string,BOOL > > morph_name_list_t;
+	morph_name_list_t		    mMorphNameList;
+	param_color_info_list_t		mParamColorInfoList;
+	param_alpha_info_list_t		mParamAlphaInfoList;
+};
+
+//-----------------------------------------------------------------------------
+// LLTexLayerSetBuffer
+// The composite image that a LLViewerTexLayerSet writes to.  Each LLViewerTexLayerSet has one.
+//-----------------------------------------------------------------------------
+
+LLTexLayerSetBuffer::LLTexLayerSetBuffer(LLTexLayerSet* const owner) :
+	mTexLayerSet(owner)
+{
+}
+
+LLTexLayerSetBuffer::~LLTexLayerSetBuffer()
+{
+}
+
+void LLTexLayerSetBuffer::pushProjection() const
+{
+	gGL.matrixMode(LLRender::MM_PROJECTION);
+	gGL.pushMatrix();
+	gGL.loadIdentity();
+	gGL.ortho(0.0f, getCompositeWidth(), 0.0f, getCompositeHeight(), -1.0f, 1.0f);
+
+	gGL.matrixMode(LLRender::MM_MODELVIEW);
+	gGL.pushMatrix();
+	gGL.loadIdentity();
+}
+
+void LLTexLayerSetBuffer::popProjection() const
+{
+	gGL.matrixMode(LLRender::MM_PROJECTION);
+	gGL.popMatrix();
+
+	gGL.matrixMode(LLRender::MM_MODELVIEW);
+	gGL.popMatrix();
+}
+
+// virtual
+void LLTexLayerSetBuffer::preRenderTexLayerSet()
+{
+	// Set up an ortho projection
+	pushProjection();
+}
+
+// virtual
+void LLTexLayerSetBuffer::postRenderTexLayerSet(BOOL success)
+{
+	popProjection();
+}
+
+BOOL LLTexLayerSetBuffer::renderTexLayerSet()
+{
+	// Default color mask for tex layer render
+	gGL.setColorMask(true, true);
+
+	BOOL success = TRUE;
+	
+	bool use_shaders = LLGLSLShader::sNoFixedFunction;
+
+	if (use_shaders)
+	{
+		gAlphaMaskProgram.bind();
+		gAlphaMaskProgram.setMinimumAlpha(0.004f);
+	}
+	else
+	{
+		gGL.setAlphaRejectSettings(LLRender::CF_GREATER, 0.00f);
+	}
+
+	LLVertexBuffer::unbind();
+
+	// Composite the color data
+	LLGLSUIDefault gls_ui;
+	success &= mTexLayerSet->render( getCompositeOriginX(), getCompositeOriginY(), 
+									 getCompositeWidth(), getCompositeHeight() );
+	gGL.flush();
+
+	midRenderTexLayerSet(success);
+
+	if (use_shaders)
+	{
+		gAlphaMaskProgram.unbind();
+	}
+
+	LLVertexBuffer::unbind();
+	
+	// reset GL state
+	gGL.setColorMask(true, true);
+	gGL.setSceneBlendType(LLRender::BT_ALPHA);
+
+	return success;
+}
+
+//-----------------------------------------------------------------------------
+// LLTexLayerSetInfo
+// An ordered set of texture layers that get composited into a single texture.
+//-----------------------------------------------------------------------------
+
+LLTexLayerSetInfo::LLTexLayerSetInfo() :
+	mBodyRegion( "" ),
+	mWidth( 512 ),
+	mHeight( 512 ),
+	mClearAlpha( TRUE )
+{
+}
+
+LLTexLayerSetInfo::~LLTexLayerSetInfo( )
+{
+	std::for_each(mLayerInfoList.begin(), mLayerInfoList.end(), DeletePointer());
+}
+
+BOOL LLTexLayerSetInfo::parseXml(LLXmlTreeNode* node)
+{
+	llassert( node->hasName( "layer_set" ) );
+	if( !node->hasName( "layer_set" ) )
+	{
+		return FALSE;
+	}
+
+	// body_region
+	static LLStdStringHandle body_region_string = LLXmlTree::addAttributeString("body_region");
+	if( !node->getFastAttributeString( body_region_string, mBodyRegion ) )
+	{
+		llwarns << "<layer_set> is missing body_region attribute" << llendl;
+		return FALSE;
+	}
+
+	// width, height
+	static LLStdStringHandle width_string = LLXmlTree::addAttributeString("width");
+	if( !node->getFastAttributeS32( width_string, mWidth ) )
+	{
+		return FALSE;
+	}
+
+	static LLStdStringHandle height_string = LLXmlTree::addAttributeString("height");
+	if( !node->getFastAttributeS32( height_string, mHeight ) )
+	{
+		return FALSE;
+	}
+
+	// Optional alpha component to apply after all compositing is complete.
+	static LLStdStringHandle alpha_tga_file_string = LLXmlTree::addAttributeString("alpha_tga_file");
+	node->getFastAttributeString( alpha_tga_file_string, mStaticAlphaFileName );
+
+	static LLStdStringHandle clear_alpha_string = LLXmlTree::addAttributeString("clear_alpha");
+	node->getFastAttributeBOOL( clear_alpha_string, mClearAlpha );
+
+	// <layer>
+	for (LLXmlTreeNode* child = node->getChildByName( "layer" );
+		 child;
+		 child = node->getNextNamedChild())
+	{
+		LLTexLayerInfo* info = new LLTexLayerInfo();
+		if( !info->parseXml( child ))
+		{
+			delete info;
+			return FALSE;
+		}
+		mLayerInfoList.push_back( info );		
+	}
+	return TRUE;
+}
+
+// creates visual params without generating layersets or layers
+void LLTexLayerSetInfo::createVisualParams(LLAvatarAppearance *appearance)
+{
+	//layer_info_list_t		mLayerInfoList;
+	for (layer_info_list_t::iterator layer_iter = mLayerInfoList.begin();
+		 layer_iter != mLayerInfoList.end();
+		 layer_iter++)
+	{
+		LLTexLayerInfo *layer_info = *layer_iter;
+		layer_info->createVisualParams(appearance);
+	}
+}
+
+//-----------------------------------------------------------------------------
+// LLTexLayerSet
+// An ordered set of texture layers that get composited into a single texture.
+//-----------------------------------------------------------------------------
+
+BOOL LLTexLayerSet::sHasCaches = FALSE;
+
+LLTexLayerSet::LLTexLayerSet(LLAvatarAppearance* const appearance) :
+	mAvatarAppearance( appearance ),
+	mIsVisible( TRUE ),
+	mBakedTexIndex(LLAvatarAppearanceDefines::BAKED_HEAD),
+	mInfo( NULL )
+{
+}
+
+// virtual
+LLTexLayerSet::~LLTexLayerSet()
+{
+	deleteCaches();
+	std::for_each(mLayerList.begin(), mLayerList.end(), DeletePointer());
+	std::for_each(mMaskLayerList.begin(), mMaskLayerList.end(), DeletePointer());
+}
+
+//-----------------------------------------------------------------------------
+// setInfo
+//-----------------------------------------------------------------------------
+
+BOOL LLTexLayerSet::setInfo(const LLTexLayerSetInfo *info)
+{
+	llassert(mInfo == NULL);
+	mInfo = info;
+	//mID = info->mID; // No ID
+
+	mLayerList.reserve(info->mLayerInfoList.size());
+	for (LLTexLayerSetInfo::layer_info_list_t::const_iterator iter = info->mLayerInfoList.begin(); 
+		 iter != info->mLayerInfoList.end(); 
+		 iter++)
+	{
+		LLTexLayerInterface *layer = NULL;
+		if ( (*iter)->isUserSettable() )
+		{
+			layer = new LLTexLayerTemplate( this, getAvatarAppearance() );
+		}
+		else
+		{
+			layer = new LLTexLayer(this);
+		}
+		// this is the first time this layer (of either type) is being created - make sure you add the parameters to the avatar appearance
+		if (!layer->setInfo(*iter, NULL))
+		{
+			mInfo = NULL;
+			return FALSE;
+		}
+		if (!layer->isVisibilityMask())
+		{
+			mLayerList.push_back( layer );
+		}
+		else
+		{
+			mMaskLayerList.push_back(layer);
+		}
+	}
+
+	requestUpdate();
+
+	stop_glerror();
+
+	return TRUE;
+}
+
+#if 0 // obsolete
+//-----------------------------------------------------------------------------
+// parseData
+//-----------------------------------------------------------------------------
+
+BOOL LLTexLayerSet::parseData(LLXmlTreeNode* node)
+{
+	LLTexLayerSetInfo *info = new LLTexLayerSetInfo;
+
+	if (!info->parseXml(node))
+	{
+		delete info;
+		return FALSE;
+	}
+	if (!setInfo(info))
+	{
+		delete info;
+		return FALSE;
+	}
+	return TRUE;
+}
+#endif
+
+void LLTexLayerSet::deleteCaches()
+{
+	for( layer_list_t::iterator iter = mLayerList.begin(); iter != mLayerList.end(); iter++ )
+	{
+		LLTexLayerInterface* layer = *iter;
+		layer->deleteCaches();
+	}
+	for (layer_list_t::iterator iter = mMaskLayerList.begin(); iter != mMaskLayerList.end(); iter++)
+	{
+		LLTexLayerInterface* layer = *iter;
+		layer->deleteCaches();
+	}
+}
+
+
+BOOL LLTexLayerSet::render( S32 x, S32 y, S32 width, S32 height )
+{
+	BOOL success = TRUE;
+	mIsVisible = TRUE;
+
+	if (mMaskLayerList.size() > 0)
+	{
+		for (layer_list_t::iterator iter = mMaskLayerList.begin(); iter != mMaskLayerList.end(); iter++)
+		{
+			LLTexLayerInterface* layer = *iter;
+			if (layer->isInvisibleAlphaMask())
+			{
+				mIsVisible = FALSE;
+			}
+		}
+	}
+
+	bool use_shaders = LLGLSLShader::sNoFixedFunction;
+
+	LLGLSUIDefault gls_ui;
+	LLGLDepthTest gls_depth(GL_FALSE, GL_FALSE);
+	gGL.setColorMask(true, true);
+
+	// clear buffer area to ensure we don't pick up UI elements
+	{
+		gGL.flush();
+		LLGLDisable no_alpha(GL_ALPHA_TEST);
+		if (use_shaders)
+		{
+			gAlphaMaskProgram.setMinimumAlpha(0.0f);
+		}
+		gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
+		gGL.color4f( 0.f, 0.f, 0.f, 1.f );
+
+		gl_rect_2d_simple( width, height );
+
+		gGL.flush();
+		if (use_shaders)
+		{
+			gAlphaMaskProgram.setMinimumAlpha(0.004f);
+		}
+	}
+
+	if (mIsVisible)
+	{
+		// composite color layers
+		for( layer_list_t::iterator iter = mLayerList.begin(); iter != mLayerList.end(); iter++ )
+		{
+			LLTexLayerInterface* layer = *iter;
+			if (layer->getRenderPass() == LLTexLayer::RP_COLOR)
+			{
+				gGL.flush();
+				success &= layer->render(x, y, width, height);
+				gGL.flush();
+			}
+		}
+		
+		renderAlphaMaskTextures(x, y, width, height, false);
+	
+		stop_glerror();
+	}
+	else
+	{
+		gGL.flush();
+
+		gGL.setSceneBlendType(LLRender::BT_REPLACE);
+		LLGLDisable no_alpha(GL_ALPHA_TEST);
+		if (use_shaders)
+		{
+			gAlphaMaskProgram.setMinimumAlpha(0.f);
+		}
+
+		gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
+		gGL.color4f( 0.f, 0.f, 0.f, 0.f );
+
+		gl_rect_2d_simple( width, height );
+		gGL.setSceneBlendType(LLRender::BT_ALPHA);
+
+		gGL.flush();
+		if (use_shaders)
+		{
+			gAlphaMaskProgram.setMinimumAlpha(0.004f);
+		}
+	}
+
+	return success;
+}
+
+
+BOOL LLTexLayerSet::isBodyRegion(const std::string& region) const 
+{ 
+	return mInfo->mBodyRegion == region; 
+}
+
+const std::string LLTexLayerSet::getBodyRegionName() const 
+{ 
+	return mInfo->mBodyRegion; 
+}
+
+
+// virtual
+void LLTexLayerSet::asLLSD(LLSD& sd) const
+{
+	sd["visible"] = LLSD::Boolean(isVisible());
+	LLSD layer_list_sd;
+	layer_list_t::const_iterator layer_iter = mLayerList.begin();
+	layer_list_t::const_iterator layer_end  = mLayerList.end();
+	for(; layer_iter != layer_end; ++layer_iter);
+	{
+		LLSD layer_sd;
+		//LLTexLayerInterface* layer = (*layer_iter);
+		//if (layer)
+		//{
+		//	layer->asLLSD(layer_sd);
+		//}
+		layer_list_sd.append(layer_sd);
+	}
+	LLSD mask_list_sd;
+	LLSD info_sd;
+	sd["layers"] = layer_list_sd;
+	sd["masks"] = mask_list_sd;
+	sd["info"] = info_sd;
+}
+
+
+void LLTexLayerSet::destroyComposite()
+{
+	if( mComposite )
+	{
+		mComposite = NULL;
+	}
+}
+
+LLTexLayerSetBuffer* LLTexLayerSet::getComposite()
+{
+	if (!mComposite)
+	{
+		createComposite();
+	}
+	return mComposite;
+}
+
+const LLTexLayerSetBuffer* LLTexLayerSet::getComposite() const
+{
+	return mComposite;
+}
+
+static LLFastTimer::DeclareTimer FTM_GATHER_MORPH_MASK_ALPHA("gatherMorphMaskAlpha");
+void LLTexLayerSet::gatherMorphMaskAlpha(U8 *data, S32 origin_x, S32 origin_y, S32 width, S32 height)
+{
+	LLFastTimer t(FTM_GATHER_MORPH_MASK_ALPHA);
+	memset(data, 255, width * height);
+
+	for( layer_list_t::iterator iter = mLayerList.begin(); iter != mLayerList.end(); iter++ )
+	{
+		LLTexLayerInterface* layer = *iter;
+		layer->gatherAlphaMasks(data, origin_x, origin_y, width, height);
+	}
+	
+	// Set alpha back to that of our alpha masks.
+	renderAlphaMaskTextures(origin_x, origin_y, width, height, true);
+}
+
+static LLFastTimer::DeclareTimer FTM_RENDER_ALPHA_MASK_TEXTURES("renderAlphaMaskTextures");
+void LLTexLayerSet::renderAlphaMaskTextures(S32 x, S32 y, S32 width, S32 height, bool forceClear)
+{
+	LLFastTimer t(FTM_RENDER_ALPHA_MASK_TEXTURES);
+	const LLTexLayerSetInfo *info = getInfo();
+	
+	bool use_shaders = LLGLSLShader::sNoFixedFunction;
+
+	gGL.setColorMask(false, true);
+	gGL.setSceneBlendType(LLRender::BT_REPLACE);
+	
+	// (Optionally) replace alpha with a single component image from a tga file.
+	if (!info->mStaticAlphaFileName.empty())
+	{
+		gGL.flush();
+		{
+			LLGLTexture* tex = LLTexLayerStaticImageList::getInstance()->getTexture(info->mStaticAlphaFileName, TRUE);
+			if( tex )
+			{
+				LLGLSUIDefault gls_ui;
+				gGL.getTexUnit(0)->bind(tex);
+				gGL.getTexUnit(0)->setTextureBlendType( LLTexUnit::TB_REPLACE );
+				gl_rect_2d_simple_tex( width, height );
+			}
+		}
+		gGL.flush();
+	}
+	else if (forceClear || info->mClearAlpha || (mMaskLayerList.size() > 0))
+	{
+		// Set the alpha channel to one (clean up after previous blending)
+		gGL.flush();
+		LLGLDisable no_alpha(GL_ALPHA_TEST);
+		if (use_shaders)
+		{
+			gAlphaMaskProgram.setMinimumAlpha(0.f);
+		}
+		gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
+		gGL.color4f( 0.f, 0.f, 0.f, 1.f );
+		
+		gl_rect_2d_simple( width, height );
+		
+		gGL.flush();
+		if (use_shaders)
+		{
+			gAlphaMaskProgram.setMinimumAlpha(0.004f);
+		}
+	}
+	
+	// (Optional) Mask out part of the baked texture with alpha masks
+	// will still have an effect even if mClearAlpha is set or the alpha component was replaced
+	if (mMaskLayerList.size() > 0)
+	{
+		gGL.setSceneBlendType(LLRender::BT_MULT_ALPHA);
+		gGL.getTexUnit(0)->setTextureBlendType( LLTexUnit::TB_REPLACE );
+		for (layer_list_t::iterator iter = mMaskLayerList.begin(); iter != mMaskLayerList.end(); iter++)
+		{
+			LLTexLayerInterface* layer = *iter;
+			gGL.flush();
+			layer->blendAlphaTexture(x,y,width, height);
+			gGL.flush();
+		}
+		
+	}
+	
+	gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
+	
+	gGL.getTexUnit(0)->setTextureBlendType(LLTexUnit::TB_MULT);
+	gGL.setColorMask(true, true);
+	gGL.setSceneBlendType(LLRender::BT_ALPHA);
+}
+
+void LLTexLayerSet::applyMorphMask(U8* tex_data, S32 width, S32 height, S32 num_components)
+{
+	mAvatarAppearance->applyMorphMask(tex_data, width, height, num_components, mBakedTexIndex);
+}
+
+BOOL LLTexLayerSet::isMorphValid() const
+{
+	for(layer_list_t::const_iterator iter = mLayerList.begin(); iter != mLayerList.end(); iter++ )
+	{
+		const LLTexLayerInterface* layer = *iter;
+		if (layer && !layer->isMorphValid())
+		{
+			return FALSE;
+		}
+	}
+	return TRUE;
+}
+
+void LLTexLayerSet::invalidateMorphMasks()
+{
+	for( layer_list_t::iterator iter = mLayerList.begin(); iter != mLayerList.end(); iter++ )
+	{
+		LLTexLayerInterface* layer = *iter;
+		if (layer)
+		{
+			layer->invalidateMorphMasks();
+		}
+	}
+}
+
+
+//-----------------------------------------------------------------------------
+// LLTexLayerInfo
+//-----------------------------------------------------------------------------
+LLTexLayerInfo::LLTexLayerInfo() :
+	mWriteAllChannels( FALSE ),
+	mRenderPass(LLTexLayer::RP_COLOR),
+	mFixedColor( 0.f, 0.f, 0.f, 0.f ),
+	mLocalTexture( -1 ),
+	mStaticImageIsMask( FALSE ),
+	mUseLocalTextureAlphaOnly(FALSE),
+	mIsVisibilityMask(FALSE)
+{
+}
+
+LLTexLayerInfo::~LLTexLayerInfo( )
+{
+	std::for_each(mParamColorInfoList.begin(), mParamColorInfoList.end(), DeletePointer());
+	std::for_each(mParamAlphaInfoList.begin(), mParamAlphaInfoList.end(), DeletePointer());
+}
+
+BOOL LLTexLayerInfo::parseXml(LLXmlTreeNode* node)
+{
+	llassert( node->hasName( "layer" ) );
+
+	// name attribute
+	static LLStdStringHandle name_string = LLXmlTree::addAttributeString("name");
+	if( !node->getFastAttributeString( name_string, mName ) )
+	{
+		return FALSE;
+	}
+	
+	static LLStdStringHandle write_all_channels_string = LLXmlTree::addAttributeString("write_all_channels");
+	node->getFastAttributeBOOL( write_all_channels_string, mWriteAllChannels );
+
+	std::string render_pass_name;
+	static LLStdStringHandle render_pass_string = LLXmlTree::addAttributeString("render_pass");
+	if( node->getFastAttributeString( render_pass_string, render_pass_name ) )
+	{
+		if( render_pass_name == "bump" )
+		{
+			mRenderPass = LLTexLayer::RP_BUMP;
+		}
+	}
+
+	// Note: layers can have either a "global_color" attrib, a "fixed_color" attrib, or a <param_color> child.
+	// global color attribute (optional)
+	static LLStdStringHandle global_color_string = LLXmlTree::addAttributeString("global_color");
+	node->getFastAttributeString( global_color_string, mGlobalColor );
+
+	// Visibility mask (optional)
+	BOOL is_visibility;
+	static LLStdStringHandle visibility_mask_string = LLXmlTree::addAttributeString("visibility_mask");
+	if (node->getFastAttributeBOOL(visibility_mask_string, is_visibility))
+	{
+		mIsVisibilityMask = is_visibility;
+	}
+
+	// color attribute (optional)
+	LLColor4U color4u;
+	static LLStdStringHandle fixed_color_string = LLXmlTree::addAttributeString("fixed_color");
+	if( node->getFastAttributeColor4U( fixed_color_string, color4u ) )
+	{
+		mFixedColor.setVec( color4u );
+	}
+
+		// <texture> optional sub-element
+	for (LLXmlTreeNode* texture_node = node->getChildByName( "texture" );
+		 texture_node;
+		 texture_node = node->getNextNamedChild())
+	{
+		std::string local_texture_name;
+		static LLStdStringHandle tga_file_string = LLXmlTree::addAttributeString("tga_file");
+		static LLStdStringHandle local_texture_string = LLXmlTree::addAttributeString("local_texture");
+		static LLStdStringHandle file_is_mask_string = LLXmlTree::addAttributeString("file_is_mask");
+		static LLStdStringHandle local_texture_alpha_only_string = LLXmlTree::addAttributeString("local_texture_alpha_only");
+		if( texture_node->getFastAttributeString( tga_file_string, mStaticImageFileName ) )
+		{
+			texture_node->getFastAttributeBOOL( file_is_mask_string, mStaticImageIsMask );
+		}
+		else if (texture_node->getFastAttributeString(local_texture_string, local_texture_name))
+		{
+			texture_node->getFastAttributeBOOL( local_texture_alpha_only_string, mUseLocalTextureAlphaOnly );
+
+			/* if ("upper_shirt" == local_texture_name)
+				mLocalTexture = TEX_UPPER_SHIRT; */
+			mLocalTexture = TEX_NUM_INDICES;
+			for (LLAvatarAppearanceDictionary::Textures::const_iterator iter = LLAvatarAppearanceDictionary::getInstance()->getTextures().begin();
+				 iter != LLAvatarAppearanceDictionary::getInstance()->getTextures().end();
+				 iter++)
+			{
+				const LLAvatarAppearanceDictionary::TextureEntry *texture_dict = iter->second;
+				if (local_texture_name == texture_dict->mName)
+			{
+					mLocalTexture = iter->first;
+					break;
+			}
+			}
+			if (mLocalTexture == TEX_NUM_INDICES)
+			{
+				llwarns << "<texture> element has invalid local_texture attribute: " << mName << " " << local_texture_name << llendl;
+				return FALSE;
+			}
+		}
+		else	
+		{
+			llwarns << "<texture> element is missing a required attribute. " << mName << llendl;
+			return FALSE;
+		}
+	}
+
+	for (LLXmlTreeNode* maskNode = node->getChildByName( "morph_mask" );
+		 maskNode;
+		 maskNode = node->getNextNamedChild())
+	{
+		std::string morph_name;
+		static LLStdStringHandle morph_name_string = LLXmlTree::addAttributeString("morph_name");
+		if (maskNode->getFastAttributeString(morph_name_string, morph_name))
+		{
+			BOOL invert = FALSE;
+			static LLStdStringHandle invert_string = LLXmlTree::addAttributeString("invert");
+			maskNode->getFastAttributeBOOL(invert_string, invert);			
+			mMorphNameList.push_back(std::pair<std::string,BOOL>(morph_name,invert));
+		}
+	}
+
+	// <param> optional sub-element (color or alpha params)
+	for (LLXmlTreeNode* child = node->getChildByName( "param" );
+		 child;
+		 child = node->getNextNamedChild())
+	{
+		if( child->getChildByName( "param_color" ) )
+		{
+			// <param><param_color/></param>
+			LLTexLayerParamColorInfo* info = new LLTexLayerParamColorInfo();
+			if (!info->parseXml(child))
+			{
+				delete info;
+				return FALSE;
+			}
+			mParamColorInfoList.push_back(info);
+		}
+		else if( child->getChildByName( "param_alpha" ) )
+		{
+			// <param><param_alpha/></param>
+			LLTexLayerParamAlphaInfo* info = new LLTexLayerParamAlphaInfo( );
+			if (!info->parseXml(child))
+			{
+				delete info;
+				return FALSE;
+			}
+ 			mParamAlphaInfoList.push_back(info);
+		}
+	}
+	
+	return TRUE;
+}
+
+BOOL LLTexLayerInfo::createVisualParams(LLAvatarAppearance *appearance)
+{
+	BOOL success = TRUE;
+	for (param_color_info_list_t::iterator color_info_iter = mParamColorInfoList.begin();
+		 color_info_iter != mParamColorInfoList.end();
+		 color_info_iter++)
+	{
+		LLTexLayerParamColorInfo * color_info = *color_info_iter;
+		LLTexLayerParamColor* param_color = new LLTexLayerParamColor(appearance);
+		if (!param_color->setInfo(color_info, TRUE))
+		{
+			llwarns << "NULL TexLayer Color Param could not be added to visual param list. Deleting." << llendl;
+			delete param_color;
+			success = FALSE;
+		}
+	}
+
+	for (param_alpha_info_list_t::iterator alpha_info_iter = mParamAlphaInfoList.begin();
+		 alpha_info_iter != mParamAlphaInfoList.end();
+		 alpha_info_iter++)
+	{
+		LLTexLayerParamAlphaInfo * alpha_info = *alpha_info_iter;
+		LLTexLayerParamAlpha* param_alpha = new LLTexLayerParamAlpha(appearance);
+		if (!param_alpha->setInfo(alpha_info, TRUE))
+		{
+			llwarns << "NULL TexLayer Alpha Param could not be added to visual param list. Deleting." << llendl;
+			delete param_alpha;
+			success = FALSE;
+		}
+	}
+
+	return success;
+}
+
+LLTexLayerInterface::LLTexLayerInterface(LLTexLayerSet* const layer_set):
+	mTexLayerSet( layer_set ),
+	mMorphMasksValid( FALSE ),
+	mInfo(NULL),
+	mHasMorph(FALSE)
+{
+}
+
+LLTexLayerInterface::LLTexLayerInterface(const LLTexLayerInterface &layer, LLWearable *wearable):
+	mTexLayerSet( layer.mTexLayerSet ),
+	mInfo(NULL)
+{
+	// don't add visual params for cloned layers
+	setInfo(layer.getInfo(), wearable);
+
+	mHasMorph = layer.mHasMorph;
+}
+
+BOOL LLTexLayerInterface::setInfo(const LLTexLayerInfo *info, LLWearable* wearable  ) // This sets mInfo and calls initialization functions
+{
+	// setInfo should only be called once. Code is not robust enough to handle redefinition of a texlayer.
+	// Not a critical warning, but could be useful for debugging later issues. -Nyx
+	if (mInfo != NULL) 
+	{
+			llwarns << "mInfo != NULL" << llendl;
+	}
+	mInfo = info;
+	//mID = info->mID; // No ID
+
+	mParamColorList.reserve(mInfo->mParamColorInfoList.size());
+	for (param_color_info_list_t::const_iterator iter = mInfo->mParamColorInfoList.begin(); 
+		 iter != mInfo->mParamColorInfoList.end(); 
+		 iter++)
+	{
+		LLTexLayerParamColor* param_color;
+		if (!wearable)
+			{
+				param_color = new LLTexLayerParamColor(this);
+				if (!param_color->setInfo(*iter, TRUE))
+				{
+					mInfo = NULL;
+					return FALSE;
+				}
+			}
+			else
+			{
+				param_color = (LLTexLayerParamColor*)wearable->getVisualParam((*iter)->getID());
+				if (!param_color)
+				{
+					mInfo = NULL;
+					return FALSE;
+				}
+			}
+			mParamColorList.push_back( param_color );
+		}
+
+	mParamAlphaList.reserve(mInfo->mParamAlphaInfoList.size());
+	for (param_alpha_info_list_t::const_iterator iter = mInfo->mParamAlphaInfoList.begin(); 
+		 iter != mInfo->mParamAlphaInfoList.end(); 
+		 iter++)
+		{
+			LLTexLayerParamAlpha* param_alpha;
+			if (!wearable)
+			{
+				param_alpha = new LLTexLayerParamAlpha( this );
+				if (!param_alpha->setInfo(*iter, TRUE))
+				{
+					mInfo = NULL;
+					return FALSE;
+				}
+			}
+			else
+			{
+				param_alpha = (LLTexLayerParamAlpha*) wearable->getVisualParam((*iter)->getID());
+				if (!param_alpha)
+				{
+					mInfo = NULL;
+					return FALSE;
+				}
+			}
+			mParamAlphaList.push_back( param_alpha );
+		}
+
+	return TRUE;
+}
+
+/*virtual*/ void LLTexLayerInterface::requestUpdate()
+{
+	mTexLayerSet->requestUpdate();
+}
+
+const std::string& LLTexLayerInterface::getName() const
+{
+	return mInfo->mName; 
+}
+
+ETextureIndex LLTexLayerInterface::getLocalTextureIndex() const
+{
+	return (ETextureIndex) mInfo->mLocalTexture;
+}
+
+LLWearableType::EType LLTexLayerInterface::getWearableType() const
+{
+	ETextureIndex te = getLocalTextureIndex();
+	if (TEX_INVALID == te)
+	{
+		LLWearableType::EType type = LLWearableType::WT_INVALID;
+		param_color_list_t::const_iterator color_iter = mParamColorList.begin();
+		param_alpha_list_t::const_iterator alpha_iter = mParamAlphaList.begin();
+
+		for (; color_iter != mParamColorList.end(); color_iter++)
+		{
+			LLTexLayerParamColor* param = *color_iter;
+			if (param) 
+			{
+				LLWearableType::EType new_type = (LLWearableType::EType)param->getWearableType();
+				if (new_type != LLWearableType::WT_INVALID && new_type != type) 
+				{
+					if (type != LLWearableType::WT_INVALID) 
+					{
+						return LLWearableType::WT_INVALID;
+					}
+					type = new_type;
+				}
+			}
+		}
+
+		for (; alpha_iter != mParamAlphaList.end(); alpha_iter++)
+		{
+			LLTexLayerParamAlpha* param = *alpha_iter;
+			if (param) 
+			{
+				LLWearableType::EType new_type = (LLWearableType::EType)param->getWearableType();
+				if (new_type != LLWearableType::WT_INVALID && new_type != type) 
+				{
+					if (type != LLWearableType::WT_INVALID) 
+					{
+						return LLWearableType::WT_INVALID;
+					}
+					type = new_type;
+				}
+			}
+		}
+
+		return type;
+	}
+	return LLAvatarAppearanceDictionary::getTEWearableType(te);
+}
+
+LLTexLayerInterface::ERenderPass LLTexLayerInterface::getRenderPass() const
+{
+	return mInfo->mRenderPass; 
+}
+
+const std::string& LLTexLayerInterface::getGlobalColor() const
+{
+	return mInfo->mGlobalColor; 
+}
+
+BOOL LLTexLayerInterface::isVisibilityMask() const
+{
+	return mInfo->mIsVisibilityMask;
+}
+
+void LLTexLayerInterface::invalidateMorphMasks()
+{
+	mMorphMasksValid = FALSE;
+}
+
+LLViewerVisualParam* LLTexLayerInterface::getVisualParamPtr(S32 index) const
+{
+	LLViewerVisualParam *result = NULL;
+	for (param_color_list_t::const_iterator color_iter = mParamColorList.begin(); color_iter != mParamColorList.end() && !result; ++color_iter)
+	{
+		if ((*color_iter)->getID() == index)
+		{
+			result = *color_iter;
+		}
+	}
+	for (param_alpha_list_t::const_iterator alpha_iter = mParamAlphaList.begin(); alpha_iter != mParamAlphaList.end() && !result; ++alpha_iter)
+	{
+		if ((*alpha_iter)->getID() == index)
+		{
+			result = *alpha_iter;
+		}
+	}
+
+	return result;
+}
+
+//-----------------------------------------------------------------------------
+// LLTexLayer
+// A single texture layer, consisting of:
+//		* color, consisting of either
+//			* one or more color parameters (weighted colors)
+//			* a reference to a global color
+//			* a fixed color with non-zero alpha
+//			* opaque white (the default)
+//		* (optional) a texture defined by either
+//			* a GUID
+//			* a texture entry index (TE)
+//		* (optional) one or more alpha parameters (weighted alpha textures)
+//-----------------------------------------------------------------------------
+LLTexLayer::LLTexLayer(LLTexLayerSet* const layer_set) :
+	LLTexLayerInterface( layer_set ),
+	mLocalTextureObject(NULL)
+{
+}
+
+LLTexLayer::LLTexLayer(const LLTexLayer &layer, LLWearable *wearable) :
+	LLTexLayerInterface( layer, wearable ),
+	mLocalTextureObject(NULL)
+{
+}
+
+LLTexLayer::LLTexLayer(const LLTexLayerTemplate &layer_template, LLLocalTextureObject *lto, LLWearable *wearable) :
+	LLTexLayerInterface( layer_template, wearable ),
+	mLocalTextureObject(lto)
+{
+}
+
+LLTexLayer::~LLTexLayer()
+{
+	// mParamAlphaList and mParamColorList are LLViewerVisualParam's and get
+	// deleted with ~LLCharacter()
+	//std::for_each(mParamAlphaList.begin(), mParamAlphaList.end(), DeletePointer());
+	//std::for_each(mParamColorList.begin(), mParamColorList.end(), DeletePointer());
+	
+	for( alpha_cache_t::iterator iter = mAlphaCache.begin();
+		 iter != mAlphaCache.end(); iter++ )
+	{
+		U8* alpha_data = iter->second;
+		delete [] alpha_data;
+	}
+
+}
+
+void LLTexLayer::asLLSD(LLSD& sd) const
+{
+	// *TODO: Finish
+	sd["id"] = getUUID();
+}
+
+//-----------------------------------------------------------------------------
+// setInfo
+//-----------------------------------------------------------------------------
+
+BOOL LLTexLayer::setInfo(const LLTexLayerInfo* info, LLWearable* wearable  )
+{
+	return LLTexLayerInterface::setInfo(info, wearable);
+}
+
+//static 
+void LLTexLayer::calculateTexLayerColor(const param_color_list_t &param_list, LLColor4 &net_color)
+{
+	for (param_color_list_t::const_iterator iter = param_list.begin();
+		 iter != param_list.end(); iter++)
+	{
+		const LLTexLayerParamColor* param = *iter;
+		LLColor4 param_net = param->getNetColor();
+		const LLTexLayerParamColorInfo *info = (LLTexLayerParamColorInfo *)param->getInfo();
+		switch(info->getOperation())
+		{
+			case LLTexLayerParamColor::OP_ADD:
+				net_color += param_net;
+				break;
+			case LLTexLayerParamColor::OP_MULTIPLY:
+				net_color = net_color * param_net;
+				break;
+			case LLTexLayerParamColor::OP_BLEND:
+				net_color = lerp(net_color, param_net, param->getWeight());
+				break;
+			default:
+				llassert(0);
+				break;
+		}
+	}
+	net_color.clamp();
+}
+
+/*virtual*/ void LLTexLayer::deleteCaches()
+{
+	// Only need to delete caches for alpha params. Color params don't hold extra memory
+	for (param_alpha_list_t::iterator iter = mParamAlphaList.begin();
+		 iter != mParamAlphaList.end(); iter++ )
+	{
+		LLTexLayerParamAlpha* param = *iter;
+		param->deleteCaches();
+	}
+}
+
+BOOL LLTexLayer::render(S32 x, S32 y, S32 width, S32 height)
+{
+	LLGLEnable color_mat(GL_COLOR_MATERIAL);
+	// *TODO: Is this correct?
+	//gPipeline.disableLights();
+	stop_glerror();
+	glDisable(GL_LIGHTING);
+	stop_glerror();
+
+	bool use_shaders = LLGLSLShader::sNoFixedFunction;
+
+	LLColor4 net_color;
+	BOOL color_specified = findNetColor(&net_color);
+	
+	if (mTexLayerSet->getAvatarAppearance()->mIsDummy)
+	{
+		color_specified = true;
+		net_color = LLAvatarAppearance::getDummyColor();
+	}
+
+	BOOL success = TRUE;
+	
+	// If you can't see the layer, don't render it.
+	if( is_approx_zero( net_color.mV[VW] ) )
+	{
+		return success;
+	}
+
+	BOOL alpha_mask_specified = FALSE;
+	param_alpha_list_t::const_iterator iter = mParamAlphaList.begin();
+	if( iter != mParamAlphaList.end() )
+	{
+		// If we have alpha masks, but we're skipping all of them, skip the whole layer.
+		// However, we can't do this optimization if we have morph masks that need updating.
+/*		if (!mHasMorph)
+		{
+			BOOL skip_layer = TRUE;
+
+			while( iter != mParamAlphaList.end() )
+			{
+				const LLTexLayerParamAlpha* param = *iter;
+		
+				if( !param->getSkip() )
+				{
+					skip_layer = FALSE;
+					break;
+				}
+
+				iter++;
+			} 
+
+			if( skip_layer )
+			{
+				return success;
+			}
+		}//*/
+
+		const bool force_render = true;
+		renderMorphMasks(x, y, width, height, net_color, force_render);
+		alpha_mask_specified = TRUE;
+		gGL.flush();
+		gGL.blendFunc(LLRender::BF_DEST_ALPHA, LLRender::BF_ONE_MINUS_DEST_ALPHA);
+	}
+
+	gGL.color4fv( net_color.mV);
+
+	if( getInfo()->mWriteAllChannels )
+	{
+		gGL.flush();
+		gGL.setSceneBlendType(LLRender::BT_REPLACE);
+	}
+
+	if( (getInfo()->mLocalTexture != -1) && !getInfo()->mUseLocalTextureAlphaOnly )
+	{
+		{
+			LLGLTexture* tex = NULL;
+			if (mLocalTextureObject && mLocalTextureObject->getImage())
+			{
+				tex = mLocalTextureObject->getImage();
+				if (mLocalTextureObject->getID() == IMG_DEFAULT_AVATAR)
+				{
+					tex = NULL;
+				}
+			}
+			else
+			{
+				llinfos << "lto not defined or image not defined: " << getInfo()->getLocalTexture() << " lto: " << mLocalTextureObject << llendl;
+			}
+//			if( mTexLayerSet->getAvatarAppearance()->getLocalTextureGL((ETextureIndex)getInfo()->mLocalTexture, &image_gl ) )
+			{
+				if( tex )
+				{
+					bool no_alpha_test = getInfo()->mWriteAllChannels;
+					LLGLDisable alpha_test(no_alpha_test ? GL_ALPHA_TEST : 0);
+					if (no_alpha_test)
+					{
+						if (use_shaders)
+						{
+							gAlphaMaskProgram.setMinimumAlpha(0.f);
+						}
+					}
+					
+					LLTexUnit::eTextureAddressMode old_mode = tex->getAddressMode();
+					
+					gGL.getTexUnit(0)->bind(tex, TRUE);
+					gGL.getTexUnit(0)->setTextureAddressMode(LLTexUnit::TAM_CLAMP);
+
+					gl_rect_2d_simple_tex( width, height );
+
+					gGL.getTexUnit(0)->setTextureAddressMode(old_mode);
+					gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
+					if (no_alpha_test)
+					{
+						if (use_shaders)
+						{
+							gAlphaMaskProgram.setMinimumAlpha(0.004f);
+						}
+					}
+				}
+			}
+//			else
+//			{
+//				success = FALSE;
+//			}
+		}
+	}
+
+	if( !getInfo()->mStaticImageFileName.empty() )
+	{
+		{
+			LLGLTexture* tex = LLTexLayerStaticImageList::getInstance()->getTexture(getInfo()->mStaticImageFileName, getInfo()->mStaticImageIsMask);
+			if( tex )
+			{
+				gGL.getTexUnit(0)->bind(tex, TRUE);
+				gl_rect_2d_simple_tex( width, height );
+				gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
+			}
+			else
+			{
+				success = FALSE;
+			}
+		}
+	}
+
+	if(((-1 == getInfo()->mLocalTexture) ||
+		 getInfo()->mUseLocalTextureAlphaOnly) &&
+		getInfo()->mStaticImageFileName.empty() &&
+		color_specified )
+	{
+		LLGLDisable no_alpha(GL_ALPHA_TEST);
+		if (use_shaders)
+		{
+			gAlphaMaskProgram.setMinimumAlpha(0.000f);
+		}
+
+		gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
+		gGL.color4fv( net_color.mV );
+		gl_rect_2d_simple( width, height );
+		if (use_shaders)
+		{
+			gAlphaMaskProgram.setMinimumAlpha(0.004f);
+		}
+	}
+
+	if( alpha_mask_specified || getInfo()->mWriteAllChannels )
+	{
+		// Restore standard blend func value
+		gGL.flush();
+		gGL.setSceneBlendType(LLRender::BT_ALPHA);
+		stop_glerror();
+	}
+
+	if( !success )
+	{
+		llinfos << "LLTexLayer::render() partial: " << getInfo()->mName << llendl;
+	}
+	return success;
+}
+
+const U8*	LLTexLayer::getAlphaData() const
+{
+	LLCRC alpha_mask_crc;
+	const LLUUID& uuid = getUUID();
+	alpha_mask_crc.update((U8*)(&uuid.mData), UUID_BYTES);
+
+	for (param_alpha_list_t::const_iterator iter = mParamAlphaList.begin(); iter != mParamAlphaList.end(); iter++)
+	{
+		const LLTexLayerParamAlpha* param = *iter;
+		// MULTI-WEARABLE: verify visual parameters used here
+		F32 param_weight = param->getWeight();
+		alpha_mask_crc.update((U8*)&param_weight, sizeof(F32));
+	}
+
+	U32 cache_index = alpha_mask_crc.getCRC();
+
+	alpha_cache_t::const_iterator iter2 = mAlphaCache.find(cache_index);
+	return (iter2 == mAlphaCache.end()) ? 0 : iter2->second;
+}
+
+BOOL LLTexLayer::findNetColor(LLColor4* net_color) const
+{
+	// Color is either:
+	//	* one or more color parameters (weighted colors)  (which may make use of a global color or fixed color)
+	//	* a reference to a global color
+	//	* a fixed color with non-zero alpha
+	//	* opaque white (the default)
+
+	if( !mParamColorList.empty() )
+	{
+		if( !getGlobalColor().empty() )
+		{
+			net_color->setVec( mTexLayerSet->getAvatarAppearance()->getGlobalColor( getInfo()->mGlobalColor ) );
+		}
+		else if (getInfo()->mFixedColor.mV[VW])
+		{
+			net_color->setVec( getInfo()->mFixedColor );
+		}
+		else
+		{
+			net_color->setVec( 0.f, 0.f, 0.f, 0.f );
+		}
+		
+		calculateTexLayerColor(mParamColorList, *net_color);
+		return TRUE;
+	}
+
+	if( !getGlobalColor().empty() )
+	{
+		net_color->setVec( mTexLayerSet->getAvatarAppearance()->getGlobalColor( getGlobalColor() ) );
+		return TRUE;
+	}
+
+	if( getInfo()->mFixedColor.mV[VW] )
+	{
+		net_color->setVec( getInfo()->mFixedColor );
+		return TRUE;
+	}
+
+	net_color->setToWhite();
+
+	return FALSE; // No need to draw a separate colored polygon
+}
+
+BOOL LLTexLayer::blendAlphaTexture(S32 x, S32 y, S32 width, S32 height)
+{
+	BOOL success = TRUE;
+
+	gGL.flush();
+	
+	bool use_shaders = LLGLSLShader::sNoFixedFunction;
+
+	if( !getInfo()->mStaticImageFileName.empty() )
+	{
+		LLGLTexture* tex = LLTexLayerStaticImageList::getInstance()->getTexture( getInfo()->mStaticImageFileName, getInfo()->mStaticImageIsMask );
+		if( tex )
+		{
+			LLGLSNoAlphaTest gls_no_alpha_test;
+			if (use_shaders)
+			{
+				gAlphaMaskProgram.setMinimumAlpha(0.f);
+			}
+			gGL.getTexUnit(0)->bind(tex, TRUE);
+			gl_rect_2d_simple_tex( width, height );
+			gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
+			if (use_shaders)
+			{
+				gAlphaMaskProgram.setMinimumAlpha(0.004f);
+			}
+		}
+		else
+		{
+			success = FALSE;
+		}
+	}
+	else
+	{
+		if (getInfo()->mLocalTexture >=0 && getInfo()->mLocalTexture < TEX_NUM_INDICES)
+		{
+			LLGLTexture* tex = mLocalTextureObject->getImage();
+			if (tex)
+			{
+				LLGLSNoAlphaTest gls_no_alpha_test;
+				if (use_shaders)
+				{
+					gAlphaMaskProgram.setMinimumAlpha(0.f);
+				}
+				gGL.getTexUnit(0)->bind(tex);
+				gl_rect_2d_simple_tex( width, height );
+				gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
+				success = TRUE;
+				if (use_shaders)
+				{
+					gAlphaMaskProgram.setMinimumAlpha(0.004f);
+				}
+			}
+		}
+	}
+	
+	return success;
+}
+
+/*virtual*/ void LLTexLayer::gatherAlphaMasks(U8 *data, S32 originX, S32 originY, S32 width, S32 height)
+{
+	addAlphaMask(data, originX, originY, width, height);
+}
+
+static LLFastTimer::DeclareTimer FTM_RENDER_MORPH_MASKS("renderMorphMasks");
+void LLTexLayer::renderMorphMasks(S32 x, S32 y, S32 width, S32 height, const LLColor4 &layer_color, bool force_render)
+{
+	if (!force_render && !hasMorph())
+	{
+		lldebugs << "skipping renderMorphMasks for " << getUUID() << llendl;
+		return;
+	}
+	LLFastTimer t(FTM_RENDER_MORPH_MASKS);
+	BOOL success = TRUE;
+
+	llassert( !mParamAlphaList.empty() );
+
+	bool use_shaders = LLGLSLShader::sNoFixedFunction;
+
+	if (use_shaders)
+	{
+		gAlphaMaskProgram.setMinimumAlpha(0.f);
+	}
+
+	gGL.setColorMask(false, true);
+
+	LLTexLayerParamAlpha* first_param = *mParamAlphaList.begin();
+	// Note: if the first param is a mulitply, multiply against the current buffer's alpha
+	if( !first_param || !first_param->getMultiplyBlend() )
+	{
+		LLGLDisable no_alpha(GL_ALPHA_TEST);
+		gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
+	
+		// Clear the alpha
+		gGL.flush();
+		gGL.setSceneBlendType(LLRender::BT_REPLACE);
+
+		gGL.color4f( 0.f, 0.f, 0.f, 0.f );
+		gl_rect_2d_simple( width, height );
+	}
+
+	// Accumulate alphas
+	LLGLSNoAlphaTest gls_no_alpha_test;
+	gGL.color4f( 1.f, 1.f, 1.f, 1.f );
+	for (param_alpha_list_t::iterator iter = mParamAlphaList.begin(); iter != mParamAlphaList.end(); iter++)
+	{
+		LLTexLayerParamAlpha* param = *iter;
+		success &= param->render( x, y, width, height );
+		if (!success && !force_render)
+		{
+			lldebugs << "Failed to render param " << param->getID() << " ; skipping morph mask." << llendl;
+			return;
+		}
+	}
+
+	// Approximates a min() function
+	gGL.flush();
+	gGL.setSceneBlendType(LLRender::BT_MULT_ALPHA);
+
+	// Accumulate the alpha component of the texture
+	if( getInfo()->mLocalTexture != -1 )
+	{
+		LLGLTexture* tex = mLocalTextureObject->getImage();
+		if( tex && (tex->getComponents() == 4) )
+		{
+			LLGLSNoAlphaTest gls_no_alpha_test;
+			LLTexUnit::eTextureAddressMode old_mode = tex->getAddressMode();
+			
+			gGL.getTexUnit(0)->bind(tex, TRUE);
+			gGL.getTexUnit(0)->setTextureAddressMode(LLTexUnit::TAM_CLAMP);
+
+			gl_rect_2d_simple_tex( width, height );
+
+			gGL.getTexUnit(0)->setTextureAddressMode(old_mode);
+			gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
+		}
+	}
+
+	if( !getInfo()->mStaticImageFileName.empty() && getInfo()->mStaticImageIsMask )
+	{
+		LLGLTexture* tex = LLTexLayerStaticImageList::getInstance()->getTexture(getInfo()->mStaticImageFileName, getInfo()->mStaticImageIsMask);
+		if( tex )
+		{
+			if(	(tex->getComponents() == 4) || (tex->getComponents() == 1) )
+			{
+				LLGLSNoAlphaTest gls_no_alpha_test;
+				gGL.getTexUnit(0)->bind(tex, TRUE);
+				gl_rect_2d_simple_tex( width, height );
+				gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
+			}
+			else
+			{
+				llwarns << "Skipping rendering of " << getInfo()->mStaticImageFileName 
+						<< "; expected 1 or 4 components." << llendl;
+			}
+		}
+	}
+
+	// Draw a rectangle with the layer color to multiply the alpha by that color's alpha.
+	// Note: we're still using gGL.blendFunc( GL_DST_ALPHA, GL_ZERO );
+	if ( !is_approx_equal(layer_color.mV[VW], 1.f) )
+	{
+		LLGLDisable no_alpha(GL_ALPHA_TEST);
+		gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
+		gGL.color4fv(layer_color.mV);
+		gl_rect_2d_simple( width, height );
+	}
+
+	if (use_shaders)
+	{
+		gAlphaMaskProgram.setMinimumAlpha(0.004f);
+	}
+
+	LLGLSUIDefault gls_ui;
+
+	gGL.setColorMask(true, true);
+	
+	if (hasMorph() && success)
+	{
+		LLCRC alpha_mask_crc;
+		const LLUUID& uuid = getUUID();
+		alpha_mask_crc.update((U8*)(&uuid.mData), UUID_BYTES);
+		
+		for (param_alpha_list_t::const_iterator iter = mParamAlphaList.begin(); iter != mParamAlphaList.end(); iter++)
+		{
+			const LLTexLayerParamAlpha* param = *iter;
+			F32 param_weight = param->getWeight();
+			alpha_mask_crc.update((U8*)&param_weight, sizeof(F32));
+		}
+
+		U32 cache_index = alpha_mask_crc.getCRC();
+		U8* alpha_data = get_if_there(mAlphaCache,cache_index,(U8*)NULL);
+		if (!alpha_data)
+		{
+			// clear out a slot if we have filled our cache
+			S32 max_cache_entries = getTexLayerSet()->getAvatarAppearance()->isSelf() ? 4 : 1;
+			while ((S32)mAlphaCache.size() >= max_cache_entries)
+			{
+				alpha_cache_t::iterator iter2 = mAlphaCache.begin(); // arbitrarily grab the first entry
+				alpha_data = iter2->second;
+				delete [] alpha_data;
+				mAlphaCache.erase(iter2);
+			}
+			alpha_data = new U8[width * height];
+			mAlphaCache[cache_index] = alpha_data;
+			glReadPixels(x, y, width, height, GL_ALPHA, GL_UNSIGNED_BYTE, alpha_data);
+		}
+		
+		getTexLayerSet()->getAvatarAppearance()->dirtyMesh();
+
+		mMorphMasksValid = TRUE;
+		getTexLayerSet()->applyMorphMask(alpha_data, width, height, 1);
+	}
+}
+
+static LLFastTimer::DeclareTimer FTM_ADD_ALPHA_MASK("addAlphaMask");
+void LLTexLayer::addAlphaMask(U8 *data, S32 originX, S32 originY, S32 width, S32 height)
+{
+	LLFastTimer t(FTM_ADD_ALPHA_MASK);
+	S32 size = width * height;
+	const U8* alphaData = getAlphaData();
+	if (!alphaData && hasAlphaParams())
+	{
+		LLColor4 net_color;
+		findNetColor( &net_color );
+		// TODO: eliminate need for layer morph mask valid flag
+		invalidateMorphMasks();
+		const bool force_render = false;
+		renderMorphMasks(originX, originY, width, height, net_color, force_render);
+		alphaData = getAlphaData();
+	}
+	if (alphaData)
+	{
+		for( S32 i = 0; i < size; i++ )
+		{
+			U8 curAlpha = data[i];
+			U16 resultAlpha = curAlpha;
+			resultAlpha *= ( ((U16)alphaData[i]) + 1);
+			resultAlpha = resultAlpha >> 8;
+			data[i] = (U8)resultAlpha;
+		}
+	}
+}
+
+/*virtual*/ BOOL LLTexLayer::isInvisibleAlphaMask() const
+{
+	if (mLocalTextureObject)
+	{
+		if (mLocalTextureObject->getID() == IMG_INVISIBLE)
+		{
+			return TRUE;
+		}
+	}
+
+	return FALSE;
+}
+
+LLUUID LLTexLayer::getUUID() const
+{
+	LLUUID uuid;
+	if( getInfo()->mLocalTexture != -1 )
+	{
+			LLGLTexture* tex = mLocalTextureObject->getImage();
+			if (tex)
+			{
+				uuid = mLocalTextureObject->getID();
+			}
+	}
+	if( !getInfo()->mStaticImageFileName.empty() )
+	{
+			LLGLTexture* tex = LLTexLayerStaticImageList::getInstance()->getTexture(getInfo()->mStaticImageFileName, getInfo()->mStaticImageIsMask);
+			if( tex )
+			{
+				uuid = tex->getID();
+			}
+	}
+	return uuid;
+}
+
+
+//-----------------------------------------------------------------------------
+// LLTexLayerTemplate
+// A single texture layer, consisting of:
+//		* color, consisting of either
+//			* one or more color parameters (weighted colors)
+//			* a reference to a global color
+//			* a fixed color with non-zero alpha
+//			* opaque white (the default)
+//		* (optional) a texture defined by either
+//			* a GUID
+//			* a texture entry index (TE)
+//		* (optional) one or more alpha parameters (weighted alpha textures)
+//-----------------------------------------------------------------------------
+LLTexLayerTemplate::LLTexLayerTemplate(LLTexLayerSet* layer_set, LLAvatarAppearance* const appearance) :
+	LLTexLayerInterface(layer_set),
+	mAvatarAppearance( appearance )
+{
+}
+
+LLTexLayerTemplate::LLTexLayerTemplate(const LLTexLayerTemplate &layer) :
+	LLTexLayerInterface(layer),
+	mAvatarAppearance(layer.getAvatarAppearance())
+{
+}
+
+LLTexLayerTemplate::~LLTexLayerTemplate()
+{
+}
+
+//-----------------------------------------------------------------------------
+// setInfo
+//-----------------------------------------------------------------------------
+
+/*virtual*/ BOOL LLTexLayerTemplate::setInfo(const LLTexLayerInfo* info, LLWearable* wearable  )
+{
+	return LLTexLayerInterface::setInfo(info, wearable);
+}
+
+U32 LLTexLayerTemplate::updateWearableCache() const
+{
+	mWearableCache.clear();
+
+	LLWearableType::EType wearable_type = getWearableType();
+	if (LLWearableType::WT_INVALID == wearable_type)
+	{
+		//this isn't a cloneable layer 
+		return 0;
+	}
+	U32 num_wearables = getAvatarAppearance()->getWearableData()->getWearableCount(wearable_type);
+	U32 added = 0;
+	for (U32 i = 0; i < num_wearables; i++)
+	{
+		LLWearable*  wearable = getAvatarAppearance()->getWearableData()->getWearable(wearable_type, i);
+		if (!wearable)
+		{
+			continue;
+		}
+		mWearableCache.push_back(wearable);
+		added++;
+	}
+	return added;
+}
+LLTexLayer* LLTexLayerTemplate::getLayer(U32 i) const
+{
+	if (mWearableCache.size() <= i)
+	{
+		return NULL;
+	}
+	LLWearable *wearable = mWearableCache[i];
+	LLLocalTextureObject *lto = NULL;
+	LLTexLayer *layer = NULL;
+	if (wearable)
+	{
+		 lto = wearable->getLocalTextureObject(mInfo->mLocalTexture);
+	}
+	if (lto)
+	{
+		layer = lto->getTexLayer(getName());
+	}
+	return layer;
+}
+
+/*virtual*/ BOOL LLTexLayerTemplate::render(S32 x, S32 y, S32 width, S32 height)
+{
+	if(!mInfo)
+	{
+		return FALSE ;
+	}
+
+	BOOL success = TRUE;
+	updateWearableCache();
+	for (wearable_cache_t::const_iterator iter = mWearableCache.begin(); iter!= mWearableCache.end(); iter++)
+	{
+		LLWearable* wearable = NULL;
+		LLLocalTextureObject *lto = NULL;
+		LLTexLayer *layer = NULL;
+		wearable = *iter;
+		if (wearable)
+		{
+			lto = wearable->getLocalTextureObject(mInfo->mLocalTexture);
+		}
+		if (lto)
+		{
+			layer = lto->getTexLayer(getName());
+		}
+		if (layer)
+		{
+			wearable->writeToAvatar(mAvatarAppearance);
+			layer->setLTO(lto);
+			success &= layer->render(x,y,width,height);
+		}
+	}
+
+	return success;
+}
+
+/*virtual*/ BOOL LLTexLayerTemplate::blendAlphaTexture( S32 x, S32 y, S32 width, S32 height) // Multiplies a single alpha texture against the frame buffer
+{
+	BOOL success = TRUE;
+	U32 num_wearables = updateWearableCache();
+	for (U32 i = 0; i < num_wearables; i++)
+	{
+		LLTexLayer *layer = getLayer(i);
+		if (layer)
+		{
+			success &= layer->blendAlphaTexture(x,y,width,height);
+		}
+	}
+	return success;
+}
+
+/*virtual*/ void LLTexLayerTemplate::gatherAlphaMasks(U8 *data, S32 originX, S32 originY, S32 width, S32 height)
+{
+	U32 num_wearables = updateWearableCache();
+	for (U32 i = 0; i < num_wearables; i++)
+	{
+		LLTexLayer *layer = getLayer(i);
+		if (layer)
+		{
+			layer->addAlphaMask(data, originX, originY, width, height);
+		}
+	}
+}
+
+/*virtual*/ void LLTexLayerTemplate::setHasMorph(BOOL newval)
+{ 
+	mHasMorph = newval;
+	U32 num_wearables = updateWearableCache();
+	for (U32 i = 0; i < num_wearables; i++)
+	{
+		LLTexLayer *layer = getLayer(i);
+		if (layer)
+		{	
+			layer->setHasMorph(newval);
+		}
+	}
+}
+
+/*virtual*/ void LLTexLayerTemplate::deleteCaches()
+{
+	U32 num_wearables = updateWearableCache();
+	for (U32 i = 0; i < num_wearables; i++)
+	{
+		LLTexLayer *layer = getLayer(i);
+		if (layer)
+		{
+			layer->deleteCaches();
+		}
+	}
+}
+
+/*virtual*/ BOOL LLTexLayerTemplate::isInvisibleAlphaMask() const
+{
+	U32 num_wearables = updateWearableCache();
+	for (U32 i = 0; i < num_wearables; i++)
+	{
+		LLTexLayer *layer = getLayer(i);
+		if (layer)
+		{
+			 if (layer->isInvisibleAlphaMask())
+			 {
+				 return TRUE;
+			 }
+		}
+	}
+
+	return FALSE;
+}
+
+
+//-----------------------------------------------------------------------------
+// finds a specific layer based on a passed in name
+//-----------------------------------------------------------------------------
+LLTexLayerInterface*  LLTexLayerSet::findLayerByName(const std::string& name)
+{
+	for (layer_list_t::iterator iter = mLayerList.begin(); iter != mLayerList.end(); iter++ )
+	{
+		LLTexLayerInterface* layer = *iter;
+		if (layer->getName() == name)
+		{
+			return layer;
+		}
+	}
+	for (layer_list_t::iterator iter = mMaskLayerList.begin(); iter != mMaskLayerList.end(); iter++ )
+	{
+		LLTexLayerInterface* layer = *iter;
+		if (layer->getName() == name)
+		{
+			return layer;
+		}
+	}
+	return NULL;
+}
+
+void LLTexLayerSet::cloneTemplates(LLLocalTextureObject *lto, LLAvatarAppearanceDefines::ETextureIndex tex_index, LLWearable *wearable)
+{
+	// initialize all texlayers with this texture type for this LTO
+	for( LLTexLayerSet::layer_list_t::iterator iter = mLayerList.begin(); iter != mLayerList.end(); iter++ )
+	{
+		LLTexLayerTemplate* layer = (LLTexLayerTemplate*)*iter;
+		if (layer->getInfo()->getLocalTexture() == (S32) tex_index)
+		{
+			lto->addTexLayer(layer, wearable);
+		}
+	}
+	for( LLTexLayerSet::layer_list_t::iterator iter = mMaskLayerList.begin(); iter != mMaskLayerList.end(); iter++ )
+	{
+		LLTexLayerTemplate* layer = (LLTexLayerTemplate*)*iter;
+		if (layer->getInfo()->getLocalTexture() == (S32) tex_index)
+		{
+			lto->addTexLayer(layer, wearable);
+		}
+	}
+}
+//-----------------------------------------------------------------------------
+// LLTexLayerStaticImageList
+//-----------------------------------------------------------------------------
+
+LLTexLayerStaticImageList::LLTexLayerStaticImageList() :
+	mGLBytes(0),
+	mTGABytes(0),
+	mImageNames(16384)
+{
+}
+
+LLTexLayerStaticImageList::~LLTexLayerStaticImageList()
+{
+	deleteCachedImages();
+}
+
+void LLTexLayerStaticImageList::dumpByteCount() const
+{
+	llinfos << "Avatar Static Textures " <<
+		"KB GL:" << (mGLBytes / 1024) <<
+		"KB TGA:" << (mTGABytes / 1024) << "KB" << llendl;
+}
+
+void LLTexLayerStaticImageList::deleteCachedImages()
+{
+	if( mGLBytes || mTGABytes )
+	{
+		llinfos << "Clearing Static Textures " <<
+			"KB GL:" << (mGLBytes / 1024) <<
+			"KB TGA:" << (mTGABytes / 1024) << "KB" << llendl;
+
+		//mStaticImageLists uses LLPointers, clear() will cause deletion
+		
+		mStaticImageListTGA.clear();
+		mStaticImageList.clear();
+		
+		mGLBytes = 0;
+		mTGABytes = 0;
+	}
+}
+
+// Note: in general, for a given image image we'll call either getImageTga() or getTexture().
+// We call getImageTga() if the image is used as an alpha gradient.
+// Otherwise, we call getTexture()
+
+// Returns an LLImageTGA that contains the encoded data from a tga file named file_name.
+// Caches the result to speed identical subsequent requests.
+static LLFastTimer::DeclareTimer FTM_LOAD_STATIC_TGA("getImageTGA");
+LLImageTGA* LLTexLayerStaticImageList::getImageTGA(const std::string& file_name)
+{
+	LLFastTimer t(FTM_LOAD_STATIC_TGA);
+	const char *namekey = mImageNames.addString(file_name);
+	image_tga_map_t::const_iterator iter = mStaticImageListTGA.find(namekey);
+	if( iter != mStaticImageListTGA.end() )
+	{
+		return iter->second;
+	}
+	else
+	{
+		std::string path;
+		path = gDirUtilp->getExpandedFilename(LL_PATH_CHARACTER,file_name);
+		LLPointer<LLImageTGA> image_tga = new LLImageTGA( path );
+		if( image_tga->getDataSize() > 0 )
+		{
+			mStaticImageListTGA[ namekey ] = image_tga;
+			mTGABytes += image_tga->getDataSize();
+			return image_tga;
+		}
+		else
+		{
+			return NULL;
+		}
+	}
+}
+
+// Returns a GL Image (without a backing ImageRaw) that contains the decoded data from a tga file named file_name.
+// Caches the result to speed identical subsequent requests.
+static LLFastTimer::DeclareTimer FTM_LOAD_STATIC_TEXTURE("getTexture");
+LLGLTexture* LLTexLayerStaticImageList::getTexture(const std::string& file_name, BOOL is_mask)
+{
+	LLFastTimer t(FTM_LOAD_STATIC_TEXTURE);
+	LLPointer<LLGLTexture> tex;
+	const char *namekey = mImageNames.addString(file_name);
+
+	texture_map_t::const_iterator iter = mStaticImageList.find(namekey);
+	if( iter != mStaticImageList.end() )
+	{
+		tex = iter->second;
+	}
+	else
+	{
+		llassert(gTextureManagerBridgep);
+		tex = gTextureManagerBridgep->getLocalTexture( FALSE );
+		LLPointer<LLImageRaw> image_raw = new LLImageRaw;
+		if( loadImageRaw( file_name, image_raw ) )
+		{
+			if( (image_raw->getComponents() == 1) && is_mask )
+			{
+				// Convert grayscale alpha masks from single channel into RGBA.
+				// Fill RGB with black to allow fixed function gl calls
+				// to match shader implementation.
+				LLPointer<LLImageRaw> alpha_image_raw = image_raw;
+				image_raw = new LLImageRaw(image_raw->getWidth(),
+										   image_raw->getHeight(),
+										   4);
+
+				image_raw->copyUnscaledAlphaMask(alpha_image_raw, LLColor4U::black);
+			}
+			tex->createGLTexture(0, image_raw, 0, TRUE, LLGLTexture::LOCAL);
+
+			gGL.getTexUnit(0)->bind(tex);
+			tex->setAddressMode(LLTexUnit::TAM_CLAMP);
+
+			mStaticImageList [ namekey ] = tex;
+			mGLBytes += (S32)tex->getWidth() * tex->getHeight() * tex->getComponents();
+		}
+		else
+		{
+			tex = NULL;
+		}
+	}
+
+	return tex;
+}
+
+// Reads a .tga file, decodes it, and puts the decoded data in image_raw.
+// Returns TRUE if successful.
+static LLFastTimer::DeclareTimer FTM_LOAD_IMAGE_RAW("loadImageRaw");
+BOOL LLTexLayerStaticImageList::loadImageRaw(const std::string& file_name, LLImageRaw* image_raw)
+{
+	LLFastTimer t(FTM_LOAD_IMAGE_RAW);
+	BOOL success = FALSE;
+	std::string path;
+	path = gDirUtilp->getExpandedFilename(LL_PATH_CHARACTER,file_name);
+	LLPointer<LLImageTGA> image_tga = new LLImageTGA( path );
+	if( image_tga->getDataSize() > 0 )
+	{
+		// Copy data from tga to raw.
+		success = image_tga->decode( image_raw );
+	}
+
+	return success;
+}
+
diff --git a/indra/llappearance/lltexlayer.h b/indra/llappearance/lltexlayer.h
new file mode 100644
index 0000000000..959d6e499a
--- /dev/null
+++ b/indra/llappearance/lltexlayer.h
@@ -0,0 +1,315 @@
+/** 
+ * @file lltexlayer.h
+ * @brief Texture layer classes. Used for avatars.
+ *
+ * $LicenseInfo:firstyear=2002&license=viewerlgpl$
+ * 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
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_LLTEXLAYER_H
+#define LL_LLTEXLAYER_H
+
+#include <deque>
+#include "llglslshader.h"
+#include "llgltexture.h"
+#include "llavatarappearancedefines.h"
+#include "lltexlayerparams.h"
+
+class LLAvatarAppearance;
+class LLImageTGA;
+class LLImageRaw;
+class LLLocalTextureObject;
+class LLXmlTreeNode;
+class LLTexLayerSet;
+class LLTexLayerSetInfo;
+class LLTexLayerInfo;
+class LLTexLayerSetBuffer;
+class LLWearable;
+class LLViewerVisualParam;
+
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+// LLTexLayerInterface
+//
+// Interface class to generalize functionality shared by LLTexLayer 
+// and LLTexLayerTemplate.
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+class LLTexLayerInterface 
+{
+public:
+	enum ERenderPass
+	{
+		RP_COLOR,
+		RP_BUMP,
+		RP_SHINE
+	};
+
+	LLTexLayerInterface(LLTexLayerSet* const layer_set);
+	LLTexLayerInterface(const LLTexLayerInterface &layer, LLWearable *wearable);
+	virtual ~LLTexLayerInterface() {}
+
+	virtual BOOL			render(S32 x, S32 y, S32 width, S32 height) = 0;
+	virtual void			deleteCaches() = 0;
+	virtual BOOL			blendAlphaTexture(S32 x, S32 y, S32 width, S32 height) = 0;
+	virtual BOOL			isInvisibleAlphaMask() const = 0;
+
+	const LLTexLayerInfo* 	getInfo() const 			{ return mInfo; }
+	virtual BOOL			setInfo(const LLTexLayerInfo *info, LLWearable* wearable); // sets mInfo, calls initialization functions
+	LLWearableType::EType	getWearableType() const;
+	LLAvatarAppearanceDefines::ETextureIndex	getLocalTextureIndex() const;
+
+	const std::string&		getName() const;
+	const LLTexLayerSet* const getTexLayerSet() const 	{ return mTexLayerSet; }
+	LLTexLayerSet* const 	getTexLayerSet() 			{ return mTexLayerSet; }
+
+	void					invalidateMorphMasks();
+	virtual void			setHasMorph(BOOL newval) 	{ mHasMorph = newval; }
+	BOOL					hasMorph() const			{ return mHasMorph; }
+	BOOL					isMorphValid() const		{ return mMorphMasksValid; }
+
+	void					requestUpdate();
+	virtual void			gatherAlphaMasks(U8 *data, S32 originX, S32 originY, S32 width, S32 height) = 0;
+	BOOL					hasAlphaParams() const 		{ return !mParamAlphaList.empty(); }
+
+	ERenderPass				getRenderPass() const;
+	BOOL					isVisibilityMask() const;
+
+	virtual void			asLLSD(LLSD& sd) const {}
+
+protected:
+	const std::string&		getGlobalColor() const;
+	LLViewerVisualParam*	getVisualParamPtr(S32 index) const;
+
+protected:
+	LLTexLayerSet* const	mTexLayerSet;
+	const LLTexLayerInfo*	mInfo;
+	BOOL					mMorphMasksValid;
+	BOOL					mHasMorph;
+
+	// Layers can have either mParamColorList, mGlobalColor, or mFixedColor.  They are looked for in that order.
+	param_color_list_t		mParamColorList;
+	param_alpha_list_t		mParamAlphaList;
+	// 						mGlobalColor name stored in mInfo
+	// 						mFixedColor value stored in mInfo
+};
+
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+// LLTexLayerTemplate
+//
+// Only exists for llvoavatarself.
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+class LLTexLayerTemplate : public LLTexLayerInterface
+{
+public:
+	LLTexLayerTemplate(LLTexLayerSet* const layer_set, LLAvatarAppearance* const appearance);
+	LLTexLayerTemplate(const LLTexLayerTemplate &layer);
+	/*virtual*/ ~LLTexLayerTemplate();
+	/*virtual*/ BOOL		render(S32 x, S32 y, S32 width, S32 height);
+	/*virtual*/ BOOL		setInfo(const LLTexLayerInfo *info, LLWearable* wearable); // This sets mInfo and calls initialization functions
+	/*virtual*/ BOOL		blendAlphaTexture(S32 x, S32 y, S32 width, S32 height); // Multiplies a single alpha texture against the frame buffer
+	/*virtual*/ void		gatherAlphaMasks(U8 *data, S32 originX, S32 originY, S32 width, S32 height);
+	/*virtual*/ void		setHasMorph(BOOL newval);
+	/*virtual*/ void		deleteCaches();
+	/*virtual*/ BOOL		isInvisibleAlphaMask() const;
+protected:
+	U32 					updateWearableCache() const;
+	LLTexLayer* 			getLayer(U32 i) const;
+	LLAvatarAppearance*		getAvatarAppearance()	const		{ return mAvatarAppearance; }
+private:
+	LLAvatarAppearance*	const	mAvatarAppearance; // note: backlink only; don't make this an LLPointer.
+	typedef std::vector<LLWearable*> wearable_cache_t;
+	mutable wearable_cache_t mWearableCache; // mutable b/c most get- require updating this cache
+};
+
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+// LLTexLayer
+//
+// A single texture layer.  Only exists for llvoavatarself.
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+class LLTexLayer : public LLTexLayerInterface
+{
+public:
+	LLTexLayer(LLTexLayerSet* const layer_set);
+	LLTexLayer(const LLTexLayer &layer, LLWearable *wearable);
+	LLTexLayer(const LLTexLayerTemplate &layer_template, LLLocalTextureObject *lto, LLWearable *wearable);
+	/*virtual*/ ~LLTexLayer();
+
+	/*virtual*/ BOOL		setInfo(const LLTexLayerInfo *info, LLWearable* wearable); // This sets mInfo and calls initialization functions
+	/*virtual*/ BOOL		render(S32 x, S32 y, S32 width, S32 height);
+
+	/*virtual*/ void		deleteCaches();
+	const U8*				getAlphaData() const;
+
+	BOOL					findNetColor(LLColor4* color) const;
+	/*virtual*/ BOOL		blendAlphaTexture(S32 x, S32 y, S32 width, S32 height); // Multiplies a single alpha texture against the frame buffer
+	/*virtual*/ void		gatherAlphaMasks(U8 *data, S32 originX, S32 originY, S32 width, S32 height);
+	void					renderMorphMasks(S32 x, S32 y, S32 width, S32 height, const LLColor4 &layer_color, bool force_render);
+	void					addAlphaMask(U8 *data, S32 originX, S32 originY, S32 width, S32 height);
+	/*virtual*/ BOOL		isInvisibleAlphaMask() const;
+
+	void					setLTO(LLLocalTextureObject *lto) 	{ mLocalTextureObject = lto; }
+	LLLocalTextureObject* 	getLTO() 							{ return mLocalTextureObject; }
+
+	/*virtual*/ void		asLLSD(LLSD& sd) const;
+
+	static void 			calculateTexLayerColor(const param_color_list_t &param_list, LLColor4 &net_color);
+protected:
+	LLUUID					getUUID() const;
+	typedef std::map<U32, U8*> alpha_cache_t;
+	alpha_cache_t			mAlphaCache;
+	LLLocalTextureObject* 	mLocalTextureObject;
+};
+
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+// LLTexLayerSet
+//
+// An ordered set of texture layers that gets composited into a single texture.
+// Only exists for llvoavatarself.
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+class LLTexLayerSet
+{
+	friend class LLTexLayerSetBuffer;
+public:
+	LLTexLayerSet(LLAvatarAppearance* const appearance);
+	virtual ~LLTexLayerSet();
+
+	LLTexLayerSetBuffer*		getComposite();
+	const LLTexLayerSetBuffer* 	getComposite() const; // Do not create one if it doesn't exist.
+	virtual void				createComposite() = 0;
+	void						destroyComposite();
+	void						gatherMorphMaskAlpha(U8 *data, S32 origin_x, S32 origin_y, S32 width, S32 height);
+
+	const LLTexLayerSetInfo* 	getInfo() const 			{ return mInfo; }
+	BOOL						setInfo(const LLTexLayerSetInfo *info); // This sets mInfo and calls initialization functions
+
+	BOOL						render(S32 x, S32 y, S32 width, S32 height);
+	void						renderAlphaMaskTextures(S32 x, S32 y, S32 width, S32 height, bool forceClear = false);
+
+	BOOL						isBodyRegion(const std::string& region) const;
+	void						applyMorphMask(U8* tex_data, S32 width, S32 height, S32 num_components);
+	BOOL						isMorphValid() const;
+	virtual void				requestUpdate() = 0;
+	void						invalidateMorphMasks();
+	void						deleteCaches();
+	LLTexLayerInterface*		findLayerByName(const std::string& name);
+	void						cloneTemplates(LLLocalTextureObject *lto, LLAvatarAppearanceDefines::ETextureIndex tex_index, LLWearable* wearable);
+	
+	LLAvatarAppearance*			getAvatarAppearance()	const		{ return mAvatarAppearance; }
+	const std::string			getBodyRegionName() const;
+	BOOL						hasComposite() const 		{ return (mComposite.notNull()); }
+	LLAvatarAppearanceDefines::EBakedTextureIndex getBakedTexIndex() const { return mBakedTexIndex; }
+	void						setBakedTexIndex(LLAvatarAppearanceDefines::EBakedTextureIndex index) { mBakedTexIndex = index; }
+	BOOL						isVisible() const 			{ return mIsVisible; }
+
+	static BOOL					sHasCaches;
+
+	virtual void				asLLSD(LLSD& sd) const;
+
+protected:
+	typedef std::vector<LLTexLayerInterface *> layer_list_t;
+	layer_list_t				mLayerList;
+	layer_list_t				mMaskLayerList;
+	LLPointer<LLTexLayerSetBuffer>	mComposite;
+	LLAvatarAppearance*	const	mAvatarAppearance; // note: backlink only; don't make this an LLPointer.
+	BOOL						mIsVisible;
+
+	LLAvatarAppearanceDefines::EBakedTextureIndex mBakedTexIndex;
+	const LLTexLayerSetInfo* 	mInfo;
+};
+
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+// LLTexLayerSetInfo
+//
+// Contains shared layer set data.
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+class LLTexLayerSetInfo
+{
+	friend class LLTexLayerSet;
+public:
+	LLTexLayerSetInfo();
+	~LLTexLayerSetInfo();
+	BOOL parseXml(LLXmlTreeNode* node);
+	void createVisualParams(LLAvatarAppearance *appearance);
+	S32 getWidth() const { return mWidth; }
+	S32 getHeight() const { return mHeight; }
+protected:
+	std::string				mBodyRegion;
+	S32						mWidth;
+	S32						mHeight;
+	std::string				mStaticAlphaFileName;
+	BOOL					mClearAlpha; // Set alpha to 1 for this layerset (if there is no mStaticAlphaFileName)
+	typedef std::vector<LLTexLayerInfo*> layer_info_list_t;
+	layer_info_list_t		mLayerInfoList;
+};
+
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+// LLTexLayerSetBuffer
+//
+// The composite image that a LLTexLayerSet writes to.  Each LLTexLayerSet has one.
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+class LLTexLayerSetBuffer : public virtual LLRefCount
+{
+	LOG_CLASS(LLTexLayerSetBuffer);
+
+public:
+	LLTexLayerSetBuffer(LLTexLayerSet* const owner);
+	virtual ~LLTexLayerSetBuffer();
+
+protected:
+	void					pushProjection() const;
+	void					popProjection() const;
+	virtual void			preRenderTexLayerSet();
+	virtual void			midRenderTexLayerSet(BOOL success) {}
+	virtual void			postRenderTexLayerSet(BOOL success);
+	virtual S32				getCompositeOriginX() const = 0;
+	virtual S32				getCompositeOriginY() const = 0;
+	virtual S32				getCompositeWidth() const = 0;
+	virtual S32				getCompositeHeight() const = 0;
+	BOOL					renderTexLayerSet();
+
+	LLTexLayerSet* const	mTexLayerSet;
+};
+
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+// LLTexLayerStaticImageList
+//
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+class LLTexLayerStaticImageList : public LLSingleton<LLTexLayerStaticImageList>
+{
+public:
+	LLTexLayerStaticImageList();
+	~LLTexLayerStaticImageList();
+	LLGLTexture*		getTexture(const std::string& file_name, BOOL is_mask);
+	LLImageTGA*			getImageTGA(const std::string& file_name);
+	void				deleteCachedImages();
+	void				dumpByteCount() const;
+protected:
+	BOOL				loadImageRaw(const std::string& file_name, LLImageRaw* image_raw);
+private:
+	LLStringTable 		mImageNames;
+	typedef std::map<const char*, LLPointer<LLGLTexture> > texture_map_t;
+	texture_map_t 		mStaticImageList;
+	typedef std::map<const char*, LLPointer<LLImageTGA> > image_tga_map_t;
+	image_tga_map_t 	mStaticImageListTGA;
+	S32 				mGLBytes;
+	S32 				mTGABytes;
+};
+
+#endif  // LL_LLTEXLAYER_H
diff --git a/indra/llappearance/lltexlayerparams.cpp b/indra/llappearance/lltexlayerparams.cpp
new file mode 100644
index 0000000000..6aae9a8cc1
--- /dev/null
+++ b/indra/llappearance/lltexlayerparams.cpp
@@ -0,0 +1,570 @@
+/** 
+ * @file lltexlayerparams.cpp
+ * @brief Texture layer parameters
+ *
+ * $LicenseInfo:firstyear=2002&license=viewerlgpl$
+ * 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
+ * $/LicenseInfo$
+ */
+
+#include "linden_common.h"
+
+#include "lltexlayerparams.h"
+
+#include "llavatarappearance.h"
+#include "llimagetga.h"
+#include "llquantize.h"
+#include "lltexlayer.h"
+#include "lltexturemanagerbridge.h"
+#include "../llui/llui.h"
+#include "llwearable.h"
+
+//-----------------------------------------------------------------------------
+// LLTexLayerParam
+//-----------------------------------------------------------------------------
+LLTexLayerParam::LLTexLayerParam(LLTexLayerInterface *layer) :
+	mTexLayer(layer),
+	mAvatarAppearance(NULL)
+{
+	if (mTexLayer != NULL)
+	{
+		mAvatarAppearance = mTexLayer->getTexLayerSet()->getAvatarAppearance();
+	}
+	else
+	{
+		llerrs << "LLTexLayerParam constructor passed with NULL reference for layer!" << llendl;
+	}
+}
+
+LLTexLayerParam::LLTexLayerParam(LLAvatarAppearance *appearance) :
+	mTexLayer(NULL),
+	mAvatarAppearance(appearance)
+{
+}
+
+
+BOOL LLTexLayerParam::setInfo(LLViewerVisualParamInfo *info, BOOL add_to_appearance)
+{
+	LLViewerVisualParam::setInfo(info);
+
+	if (add_to_appearance)
+	{
+		mAvatarAppearance->addVisualParam( this);
+		this->setParamLocation(mAvatarAppearance->isSelf() ? LOC_AV_SELF : LOC_AV_OTHER);
+	}
+
+	return TRUE;
+}
+
+
+//-----------------------------------------------------------------------------
+// LLTexLayerParamAlpha
+//-----------------------------------------------------------------------------
+
+// static 
+LLTexLayerParamAlpha::param_alpha_ptr_list_t LLTexLayerParamAlpha::sInstances;
+
+// static 
+void LLTexLayerParamAlpha::dumpCacheByteCount()
+{
+	S32 gl_bytes = 0;
+	getCacheByteCount( &gl_bytes);
+	llinfos << "Processed Alpha Texture Cache GL:" << (gl_bytes/1024) << "KB" << llendl;
+}
+
+// static 
+void LLTexLayerParamAlpha::getCacheByteCount(S32* gl_bytes)
+{
+	*gl_bytes = 0;
+
+	for (param_alpha_ptr_list_t::iterator iter = sInstances.begin();
+		 iter != sInstances.end(); iter++)
+	{
+		LLTexLayerParamAlpha* instance = *iter;
+		LLGLTexture* tex = instance->mCachedProcessedTexture;
+		if (tex)
+		{
+			S32 bytes = (S32)tex->getWidth() * tex->getHeight() * tex->getComponents();
+
+			if (tex->hasGLTexture())
+			{
+				*gl_bytes += bytes;
+			}
+		}
+	}
+}
+
+LLTexLayerParamAlpha::LLTexLayerParamAlpha(LLTexLayerInterface* layer) :
+	LLTexLayerParam(layer),
+	mCachedProcessedTexture(NULL),
+	mNeedsCreateTexture(FALSE),
+	mStaticImageInvalid(FALSE),
+	mAvgDistortionVec(1.f, 1.f, 1.f),
+	mCachedEffectiveWeight(0.f)
+{
+	sInstances.push_front(this);
+}
+
+LLTexLayerParamAlpha::LLTexLayerParamAlpha(LLAvatarAppearance* appearance) :
+	LLTexLayerParam(appearance),
+	mCachedProcessedTexture(NULL),
+	mNeedsCreateTexture(FALSE),
+	mStaticImageInvalid(FALSE),
+	mAvgDistortionVec(1.f, 1.f, 1.f),
+	mCachedEffectiveWeight(0.f)
+{
+	sInstances.push_front(this);
+}
+
+
+LLTexLayerParamAlpha::~LLTexLayerParamAlpha()
+{
+	deleteCaches();
+	sInstances.remove(this);
+}
+
+/*virtual*/ LLViewerVisualParam* LLTexLayerParamAlpha::cloneParam(LLWearable* wearable) const
+{
+	LLTexLayerParamAlpha *new_param = new LLTexLayerParamAlpha(mTexLayer);
+	*new_param = *this;
+	return new_param;
+}
+
+void LLTexLayerParamAlpha::deleteCaches()
+{
+	mStaticImageTGA = NULL; // deletes image
+	mCachedProcessedTexture = NULL;
+	mStaticImageRaw = NULL;
+	mNeedsCreateTexture = FALSE;
+}
+
+BOOL LLTexLayerParamAlpha::getMultiplyBlend() const
+{
+	return ((LLTexLayerParamAlphaInfo *)getInfo())->mMultiplyBlend; 	
+}
+
+void LLTexLayerParamAlpha::setWeight(F32 weight, BOOL upload_bake)
+{
+	if (mIsAnimating || mTexLayer == NULL)
+	{
+		return;
+	}
+	F32 min_weight = getMinWeight();
+	F32 max_weight = getMaxWeight();
+	F32 new_weight = llclamp(weight, min_weight, max_weight);
+	U8 cur_u8 = F32_to_U8(mCurWeight, min_weight, max_weight);
+	U8 new_u8 = F32_to_U8(new_weight, min_weight, max_weight);
+	if (cur_u8 != new_u8)
+	{
+		mCurWeight = new_weight;
+
+		if ((mAvatarAppearance->getSex() & getSex()) &&
+			(mAvatarAppearance->isSelf() && !mIsDummy)) // only trigger a baked texture update if we're changing a wearable's visual param.
+		{
+			mAvatarAppearance->invalidateComposite(mTexLayer->getTexLayerSet(), upload_bake);
+			mTexLayer->invalidateMorphMasks();
+		}
+	}
+}
+
+void LLTexLayerParamAlpha::setAnimationTarget(F32 target_value, BOOL upload_bake)
+{ 
+	// do not animate dummy parameters
+	if (mIsDummy)
+	{
+		setWeight(target_value, upload_bake);
+		return;
+	}
+
+	mTargetWeight = target_value; 
+	setWeight(target_value, upload_bake); 
+	mIsAnimating = TRUE;
+	if (mNext)
+	{
+		mNext->setAnimationTarget(target_value, upload_bake);
+	}
+}
+
+void LLTexLayerParamAlpha::animate(F32 delta, BOOL upload_bake)
+{
+	if (mNext)
+	{
+		mNext->animate(delta, upload_bake);
+	}
+}
+
+BOOL LLTexLayerParamAlpha::getSkip() const
+{
+	if (!mTexLayer)
+	{
+		return TRUE;
+	}
+
+	const LLAvatarAppearance *appearance = mTexLayer->getTexLayerSet()->getAvatarAppearance();
+
+	if (((LLTexLayerParamAlphaInfo *)getInfo())->mSkipIfZeroWeight)
+	{
+		F32 effective_weight = (appearance->getSex() & getSex()) ? mCurWeight : getDefaultWeight();
+		if (is_approx_zero(effective_weight)) 
+		{
+			return TRUE;
+		}
+	}
+
+	LLWearableType::EType type = (LLWearableType::EType)getWearableType();
+	if ((type != LLWearableType::WT_INVALID) && !appearance->isWearingWearableType(type))
+	{
+		return TRUE;
+	}
+
+	return FALSE;
+}
+
+
+static LLFastTimer::DeclareTimer FTM_TEX_LAYER_PARAM_ALPHA("alpha render");
+BOOL LLTexLayerParamAlpha::render(S32 x, S32 y, S32 width, S32 height)
+{
+	LLFastTimer t(FTM_TEX_LAYER_PARAM_ALPHA);
+	BOOL success = TRUE;
+
+	if (!mTexLayer)
+	{
+		return success;
+	}
+
+	F32 effective_weight = (mTexLayer->getTexLayerSet()->getAvatarAppearance()->getSex() & getSex()) ? mCurWeight : getDefaultWeight();
+	BOOL weight_changed = effective_weight != mCachedEffectiveWeight;
+	if (getSkip())
+	{
+		return success;
+	}
+
+	LLTexLayerParamAlphaInfo *info = (LLTexLayerParamAlphaInfo *)getInfo();
+	gGL.flush();
+	if (info->mMultiplyBlend)
+	{
+		gGL.blendFunc(LLRender::BF_DEST_ALPHA, LLRender::BF_ZERO); // Multiplication: approximates a min() function
+	}
+	else
+	{
+		gGL.setSceneBlendType(LLRender::BT_ADD);  // Addition: approximates a max() function
+	}
+
+	if (!info->mStaticImageFileName.empty() && !mStaticImageInvalid)
+	{
+		if (mStaticImageTGA.isNull())
+		{
+			// Don't load the image file until we actually need it the first time.  Like now.
+			mStaticImageTGA = LLTexLayerStaticImageList::getInstance()->getImageTGA(info->mStaticImageFileName);  
+			// We now have something in one of our caches
+			LLTexLayerSet::sHasCaches |= mStaticImageTGA.notNull() ? TRUE : FALSE;
+
+			if (mStaticImageTGA.isNull())
+			{
+				llwarns << "Unable to load static file: " << info->mStaticImageFileName << llendl;
+				mStaticImageInvalid = TRUE; // don't try again.
+				return FALSE;
+			}
+		}
+
+		const S32 image_tga_width = mStaticImageTGA->getWidth();
+		const S32 image_tga_height = mStaticImageTGA->getHeight(); 
+		if (!mCachedProcessedTexture ||
+			(mCachedProcessedTexture->getWidth() != image_tga_width) ||
+			(mCachedProcessedTexture->getHeight() != image_tga_height) ||
+			(weight_changed))
+		{
+			mCachedEffectiveWeight = effective_weight;
+
+			if (!mCachedProcessedTexture)
+			{
+				llassert(gTextureManagerBridgep);
+				mCachedProcessedTexture = gTextureManagerBridgep->getLocalTexture(image_tga_width, image_tga_height, 1, FALSE);
+
+				// We now have something in one of our caches
+				LLTexLayerSet::sHasCaches |= mCachedProcessedTexture ? TRUE : FALSE;
+
+				mCachedProcessedTexture->setExplicitFormat(GL_ALPHA8, GL_ALPHA);
+			}
+
+			// Applies domain and effective weight to data as it is decoded. Also resizes the raw image if needed.
+			mStaticImageRaw = NULL;
+			mStaticImageRaw = new LLImageRaw;
+			mStaticImageTGA->decodeAndProcess(mStaticImageRaw, info->mDomain, effective_weight);
+			mNeedsCreateTexture = TRUE;			
+			lldebugs << "Built Cached Alpha: " << info->mStaticImageFileName << ": (" << mStaticImageRaw->getWidth() << ", " << mStaticImageRaw->getHeight() << ") " << "Domain: " << info->mDomain << " Weight: " << effective_weight << llendl;
+		}
+
+		if (mCachedProcessedTexture)
+		{
+			{
+				// Create the GL texture, and then hang onto it for future use.
+				if (mNeedsCreateTexture)
+				{
+					mCachedProcessedTexture->createGLTexture(0, mStaticImageRaw);
+					mNeedsCreateTexture = FALSE;
+					gGL.getTexUnit(0)->bind(mCachedProcessedTexture);
+					mCachedProcessedTexture->setAddressMode(LLTexUnit::TAM_CLAMP);
+				}
+
+				LLGLSNoAlphaTest gls_no_alpha_test;
+				gGL.getTexUnit(0)->bind(mCachedProcessedTexture);
+				gl_rect_2d_simple_tex(width, height);
+				gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
+				stop_glerror();
+			}
+		}
+
+		// Don't keep the cache for other people's avatars
+		// (It's not really a "cache" in that case, but the logic is the same)
+		if (!mAvatarAppearance->isSelf())
+		{
+			mCachedProcessedTexture = NULL;
+		}
+	}
+	else
+	{
+		LLGLDisable no_alpha(GL_ALPHA_TEST);
+		gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
+		gGL.color4f(0.f, 0.f, 0.f, effective_weight);
+		gl_rect_2d_simple(width, height);
+	}
+
+	return success;
+}
+
+//-----------------------------------------------------------------------------
+// LLTexLayerParamAlphaInfo
+//-----------------------------------------------------------------------------
+LLTexLayerParamAlphaInfo::LLTexLayerParamAlphaInfo() :
+	mMultiplyBlend(FALSE),
+	mSkipIfZeroWeight(FALSE),
+	mDomain(0.f)
+{
+}
+
+BOOL LLTexLayerParamAlphaInfo::parseXml(LLXmlTreeNode* node)
+{
+	llassert(node->hasName("param") && node->getChildByName("param_alpha"));
+
+	if (!LLViewerVisualParamInfo::parseXml(node))
+		return FALSE;
+
+	LLXmlTreeNode* param_alpha_node = node->getChildByName("param_alpha");
+	if (!param_alpha_node)
+	{
+		return FALSE;
+	}
+
+	static LLStdStringHandle tga_file_string = LLXmlTree::addAttributeString("tga_file");
+	if (param_alpha_node->getFastAttributeString(tga_file_string, mStaticImageFileName))
+	{
+		// Don't load the image file until it's actually needed.
+	}
+//	else
+//	{
+//		llwarns << "<param_alpha> element is missing tga_file attribute." << llendl;
+//	}
+	
+	static LLStdStringHandle multiply_blend_string = LLXmlTree::addAttributeString("multiply_blend");
+	param_alpha_node->getFastAttributeBOOL(multiply_blend_string, mMultiplyBlend);
+
+	static LLStdStringHandle skip_if_zero_string = LLXmlTree::addAttributeString("skip_if_zero");
+	param_alpha_node->getFastAttributeBOOL(skip_if_zero_string, mSkipIfZeroWeight);
+
+	static LLStdStringHandle domain_string = LLXmlTree::addAttributeString("domain");
+	param_alpha_node->getFastAttributeF32(domain_string, mDomain);
+
+	return TRUE;
+}
+
+
+
+
+LLTexLayerParamColor::LLTexLayerParamColor(LLTexLayerInterface* layer) :
+	LLTexLayerParam(layer),
+	mAvgDistortionVec(1.f, 1.f, 1.f)
+{
+}
+
+LLTexLayerParamColor::LLTexLayerParamColor(LLAvatarAppearance *appearance) :
+	LLTexLayerParam(appearance),
+	mAvgDistortionVec(1.f, 1.f, 1.f)
+{
+}
+
+LLTexLayerParamColor::~LLTexLayerParamColor()
+{
+}
+
+/*virtual*/ LLViewerVisualParam* LLTexLayerParamColor::cloneParam(LLWearable* wearable) const
+{
+	LLTexLayerParamColor *new_param = new LLTexLayerParamColor(mTexLayer);
+	*new_param = *this;
+	return new_param;
+}
+
+LLColor4 LLTexLayerParamColor::getNetColor() const
+{
+	const LLTexLayerParamColorInfo *info = (LLTexLayerParamColorInfo *)getInfo();
+	
+	llassert(info->mNumColors >= 1);
+
+	F32 effective_weight = (mAvatarAppearance && (mAvatarAppearance->getSex() & getSex())) ? mCurWeight : getDefaultWeight();
+
+	S32 index_last = info->mNumColors - 1;
+	F32 scaled_weight = effective_weight * index_last;
+	S32 index_start = (S32) scaled_weight;
+	S32 index_end = index_start + 1;
+	if (index_start == index_last)
+	{
+		return info->mColors[index_last];
+	}
+	else
+	{
+		F32 weight = scaled_weight - index_start;
+		const LLColor4 *start = &info->mColors[ index_start ];
+		const LLColor4 *end   = &info->mColors[ index_end ];
+		return LLColor4((1.f - weight) * start->mV[VX] + weight * end->mV[VX],
+						(1.f - weight) * start->mV[VY] + weight * end->mV[VY],
+						(1.f - weight) * start->mV[VZ] + weight * end->mV[VZ],
+						(1.f - weight) * start->mV[VW] + weight * end->mV[VW]);
+	}
+}
+
+void LLTexLayerParamColor::setWeight(F32 weight, BOOL upload_bake)
+{
+	if (mIsAnimating)
+	{
+		return;
+	}
+
+	const LLTexLayerParamColorInfo *info = (LLTexLayerParamColorInfo *)getInfo();
+	F32 min_weight = getMinWeight();
+	F32 max_weight = getMaxWeight();
+	F32 new_weight = llclamp(weight, min_weight, max_weight);
+	U8 cur_u8 = F32_to_U8(mCurWeight, min_weight, max_weight);
+	U8 new_u8 = F32_to_U8(new_weight, min_weight, max_weight);
+	if (cur_u8 != new_u8)
+	{
+		mCurWeight = new_weight;
+
+		if (info->mNumColors <= 0)
+		{
+			// This will happen when we set the default weight the first time.
+			return;
+		}
+
+		if ((mAvatarAppearance->getSex() & getSex()) && (mAvatarAppearance->isSelf() && !mIsDummy)) // only trigger a baked texture update if we're changing a wearable's visual param.
+		{
+			onGlobalColorChanged(upload_bake);
+			if (mTexLayer)
+			{
+				mAvatarAppearance->invalidateComposite(mTexLayer->getTexLayerSet(), upload_bake);
+			}
+		}
+
+//		llinfos << "param " << mName << " = " << new_weight << llendl;
+	}
+}
+
+void LLTexLayerParamColor::setAnimationTarget(F32 target_value, BOOL upload_bake)
+{ 
+	// set value first then set interpolating flag to ignore further updates
+	mTargetWeight = target_value; 
+	setWeight(target_value, upload_bake);
+	mIsAnimating = TRUE;
+	if (mNext)
+	{
+		mNext->setAnimationTarget(target_value, upload_bake);
+	}
+}
+
+void LLTexLayerParamColor::animate(F32 delta, BOOL upload_bake)
+{
+	if (mNext)
+	{
+		mNext->animate(delta, upload_bake);
+	}
+}
+
+//-----------------------------------------------------------------------------
+// LLTexLayerParamColorInfo
+//-----------------------------------------------------------------------------
+LLTexLayerParamColorInfo::LLTexLayerParamColorInfo() :
+	mOperation(LLTexLayerParamColor::OP_ADD),
+	mNumColors(0)
+{
+}
+
+BOOL LLTexLayerParamColorInfo::parseXml(LLXmlTreeNode *node)
+{
+	llassert(node->hasName("param") && node->getChildByName("param_color"));
+
+	if (!LLViewerVisualParamInfo::parseXml(node))
+		return FALSE;
+
+	LLXmlTreeNode* param_color_node = node->getChildByName("param_color");
+	if (!param_color_node)
+	{
+		return FALSE;
+	}
+
+	std::string op_string;
+	static LLStdStringHandle operation_string = LLXmlTree::addAttributeString("operation");
+	if (param_color_node->getFastAttributeString(operation_string, op_string))
+	{
+		LLStringUtil::toLower(op_string);
+		if		(op_string == "add") 		mOperation = LLTexLayerParamColor::OP_ADD;
+		else if	(op_string == "multiply")	mOperation = LLTexLayerParamColor::OP_MULTIPLY;
+		else if	(op_string == "blend")	    mOperation = LLTexLayerParamColor::OP_BLEND;
+	}
+
+	mNumColors = 0;
+
+	LLColor4U color4u;
+	for (LLXmlTreeNode* child = param_color_node->getChildByName("value");
+		 child;
+		 child = param_color_node->getNextNamedChild())
+	{
+		if ((mNumColors < MAX_COLOR_VALUES))
+		{
+			static LLStdStringHandle color_string = LLXmlTree::addAttributeString("color");
+			if (child->getFastAttributeColor4U(color_string, color4u))
+			{
+				mColors[ mNumColors ].setVec(color4u);
+				mNumColors++;
+			}
+		}
+	}
+	if (!mNumColors)
+	{
+		llwarns << "<param_color> is missing <value> sub-elements" << llendl;
+		return FALSE;
+	}
+
+	if ((mOperation == LLTexLayerParamColor::OP_BLEND) && (mNumColors != 1))
+	{
+		llwarns << "<param_color> with operation\"blend\" must have exactly one <value>" << llendl;
+		return FALSE;
+	}
+	
+	return TRUE;
+}
diff --git a/indra/llappearance/lltexlayerparams.h b/indra/llappearance/lltexlayerparams.h
new file mode 100644
index 0000000000..b38d28d3eb
--- /dev/null
+++ b/indra/llappearance/lltexlayerparams.h
@@ -0,0 +1,219 @@
+/** 
+ * @file lltexlayerparams.h
+ * @brief Texture layer parameters, used by lltexlayer.
+ *
+ * $LicenseInfo:firstyear=2002&license=viewerlgpl$
+ * 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
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_LLTEXLAYERPARAMS_H
+#define LL_LLTEXLAYERPARAMS_H
+
+#include "llpointer.h"
+#include "v4color.h"
+#include "llviewervisualparam.h"
+
+class LLAvatarAppearance;
+class LLImageRaw;
+class LLImageTGA;
+class LLTexLayer;
+class LLTexLayerInterface;
+class LLGLTexture;
+class LLWearable;
+
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+// LLTexLayerParam
+// 
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+class LLTexLayerParam : public LLViewerVisualParam
+{
+public: 
+	LLTexLayerParam(LLTexLayerInterface *layer);
+	LLTexLayerParam(LLAvatarAppearance *appearance);
+	/*virtual*/ BOOL setInfo(LLViewerVisualParamInfo *info, BOOL add_to_appearance);
+	/*virtual*/ LLViewerVisualParam* cloneParam(LLWearable* wearable) const = 0;
+
+protected:
+	LLTexLayerInterface*	mTexLayer;
+	LLAvatarAppearance*		mAvatarAppearance;
+};
+
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+// LLTexLayerParamAlpha
+// 
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+LL_ALIGN_PREFIX(16)
+class LLTexLayerParamAlpha : public LLTexLayerParam
+{
+public:
+	LLTexLayerParamAlpha( LLTexLayerInterface* layer );
+	LLTexLayerParamAlpha( LLAvatarAppearance* appearance );
+	/*virtual*/ ~LLTexLayerParamAlpha();
+
+	void* operator new(size_t size)
+	{
+		return ll_aligned_malloc_16(size);
+	}
+
+	void operator delete(void* ptr)
+	{
+		ll_aligned_free_16(ptr);
+	}
+
+	/*virtual*/ LLViewerVisualParam* cloneParam(LLWearable* wearable = NULL) const;
+
+	// LLVisualParam Virtual functions
+	///*virtual*/ BOOL		parseData(LLXmlTreeNode* node);
+	/*virtual*/ void		apply( ESex avatar_sex ) {}
+	/*virtual*/ void		setWeight(F32 weight, BOOL upload_bake);
+	/*virtual*/ void		setAnimationTarget(F32 target_value, BOOL upload_bake); 
+	/*virtual*/ void		animate(F32 delta, BOOL upload_bake);
+
+	// LLViewerVisualParam Virtual functions
+	/*virtual*/ F32					getTotalDistortion()									{ return 1.f; }
+	/*virtual*/ const LLVector4a&	getAvgDistortion()										{ return mAvgDistortionVec; }
+	/*virtual*/ F32					getMaxDistortion()										{ return 3.f; }
+	/*virtual*/ LLVector4a			getVertexDistortion(S32 index, LLPolyMesh *poly_mesh)	{ return LLVector4a(1.f, 1.f, 1.f);}
+	/*virtual*/ const LLVector4a*	getFirstDistortion(U32 *index, LLPolyMesh **poly_mesh)	{ index = 0; poly_mesh = NULL; return &mAvgDistortionVec;};
+	/*virtual*/ const LLVector4a*	getNextDistortion(U32 *index, LLPolyMesh **poly_mesh)	{ index = 0; poly_mesh = NULL; return NULL;};
+
+	// New functions
+	BOOL					render( S32 x, S32 y, S32 width, S32 height );
+	BOOL					getSkip() const;
+	void					deleteCaches();
+	BOOL					getMultiplyBlend() const;
+
+private:
+	LLPointer<LLGLTexture>	mCachedProcessedTexture;
+	LLPointer<LLImageTGA>	mStaticImageTGA;
+	LLPointer<LLImageRaw>	mStaticImageRaw;
+	BOOL					mNeedsCreateTexture;
+	BOOL					mStaticImageInvalid;
+	LL_ALIGN_16(LLVector4a				mAvgDistortionVec);
+	F32						mCachedEffectiveWeight;
+
+public:
+	// Global list of instances for gathering statistics
+	static void				dumpCacheByteCount();
+	static void				getCacheByteCount( S32* gl_bytes );
+
+	typedef std::list< LLTexLayerParamAlpha* > param_alpha_ptr_list_t;
+	static param_alpha_ptr_list_t sInstances;
+} LL_ALIGN_POSTFIX(16);
+class LLTexLayerParamAlphaInfo : public LLViewerVisualParamInfo
+{
+	friend class LLTexLayerParamAlpha;
+public:
+	LLTexLayerParamAlphaInfo();
+	/*virtual*/ ~LLTexLayerParamAlphaInfo() {};
+
+	/*virtual*/ BOOL parseXml(LLXmlTreeNode* node);
+
+private:
+	std::string				mStaticImageFileName;
+	BOOL					mMultiplyBlend;
+	BOOL					mSkipIfZeroWeight;
+	F32						mDomain;
+};
+//
+// LLTexLayerParamAlpha
+//-----------------------------------------------------------------------------
+
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+// LLTexLayerParamColor
+//
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+LL_ALIGN_PREFIX(16)
+class LLTexLayerParamColor : public LLTexLayerParam
+{
+public:
+	enum EColorOperation
+	{
+		OP_ADD = 0,
+		OP_MULTIPLY = 1,
+		OP_BLEND = 2,
+		OP_COUNT = 3 // Number of operations
+	};
+
+	LLTexLayerParamColor( LLTexLayerInterface* layer );
+	LLTexLayerParamColor( LLAvatarAppearance* appearance );
+
+	void* operator new(size_t size)
+	{
+		return ll_aligned_malloc_16(size);
+	}
+
+	void operator delete(void* ptr)
+	{
+		ll_aligned_free_16(ptr);
+	}
+
+	/* virtual */ ~LLTexLayerParamColor();
+
+	/*virtual*/ LLViewerVisualParam* cloneParam(LLWearable* wearable = NULL) const;
+
+	// LLVisualParam Virtual functions
+	///*virtual*/ BOOL			parseData(LLXmlTreeNode* node);
+	/*virtual*/ void			apply( ESex avatar_sex ) {}
+	/*virtual*/ void			setWeight(F32 weight, BOOL upload_bake);
+	/*virtual*/ void			setAnimationTarget(F32 target_value, BOOL upload_bake);
+	/*virtual*/ void			animate(F32 delta, BOOL upload_bake);
+
+
+	// LLViewerVisualParam Virtual functions
+	/*virtual*/ F32					getTotalDistortion()									{ return 1.f; }
+	/*virtual*/ const LLVector4a&	getAvgDistortion()										{ return mAvgDistortionVec; }
+	/*virtual*/ F32					getMaxDistortion()										{ return 3.f; }
+	/*virtual*/ LLVector4a			getVertexDistortion(S32 index, LLPolyMesh *poly_mesh)	{ return LLVector4a(1.f, 1.f, 1.f); }
+	/*virtual*/ const LLVector4a*	getFirstDistortion(U32 *index, LLPolyMesh **poly_mesh)	{ index = 0; poly_mesh = NULL; return &mAvgDistortionVec;};
+	/*virtual*/ const LLVector4a*	getNextDistortion(U32 *index, LLPolyMesh **poly_mesh)	{ index = 0; poly_mesh = NULL; return NULL;};
+
+	// New functions
+	LLColor4				getNetColor() const;
+protected:
+	virtual void onGlobalColorChanged(bool upload_bake) {}
+private:
+	LL_ALIGN_16(LLVector4a				mAvgDistortionVec);
+} LL_ALIGN_POSTFIX(16);
+
+class LLTexLayerParamColorInfo : public LLViewerVisualParamInfo
+{
+	friend class LLTexLayerParamColor;
+
+public:
+	LLTexLayerParamColorInfo();
+	virtual ~LLTexLayerParamColorInfo() {};
+	BOOL parseXml( LLXmlTreeNode* node );
+	LLTexLayerParamColor::EColorOperation getOperation() const { return mOperation; }
+private:
+	enum { MAX_COLOR_VALUES = 20 };
+	LLTexLayerParamColor::EColorOperation		mOperation;
+	LLColor4			mColors[MAX_COLOR_VALUES];
+	S32					mNumColors;
+};
+
+typedef std::vector<LLTexLayerParamColor *> param_color_list_t;
+typedef std::vector<LLTexLayerParamAlpha *> param_alpha_list_t;
+typedef std::vector<LLTexLayerParamColorInfo *> param_color_info_list_t;
+typedef std::vector<LLTexLayerParamAlphaInfo *> param_alpha_info_list_t;
+
+#endif
diff --git a/indra/llappearance/lltexturemanagerbridge.cpp b/indra/llappearance/lltexturemanagerbridge.cpp
new file mode 100644
index 0000000000..33f2185e4f
--- /dev/null
+++ b/indra/llappearance/lltexturemanagerbridge.cpp
@@ -0,0 +1,32 @@
+ /** 
+ * @file lltexturemanagerbridge.cpp
+ * @brief Defined a null texture manager bridge.  Applications must provide their own bridge implementaton.
+ *
+ * $LicenseInfo:firstyear=2012&license=viewerlgpl$
+ * 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
+ * $/LicenseInfo$
+ */
+
+#include "lltexturemanagerbridge.h"
+
+// Define a null texture manager bridge.  Applications must provide their own bridge implementaton.
+LLTextureManagerBridge* gTextureManagerBridgep = NULL;
+
+
diff --git a/indra/llappearance/lltexturemanagerbridge.h b/indra/llappearance/lltexturemanagerbridge.h
new file mode 100644
index 0000000000..4b814b522d
--- /dev/null
+++ b/indra/llappearance/lltexturemanagerbridge.h
@@ -0,0 +1,46 @@
+/** 
+ * @file lltexturemanagerbridge.h
+ * @brief Bridge to an application-specific texture manager.
+ *
+ * $LicenseInfo:firstyear=2012&license=viewerlgpl$
+ * 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
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_TEXTUREMANAGERBRIDGE_H
+#define LL_TEXTUREMANAGERBRIDGE_H
+
+#include "llavatarappearancedefines.h"
+#include "llpointer.h"
+#include "llgltexture.h"
+
+// Abstract bridge interface
+class LLTextureManagerBridge
+{
+public:
+	virtual LLPointer<LLGLTexture> getLocalTexture(BOOL usemipmaps = TRUE, BOOL generate_gl_tex = TRUE) = 0;
+	virtual LLPointer<LLGLTexture> getLocalTexture(const U32 width, const U32 height, const U8 components, BOOL usemipmaps, BOOL generate_gl_tex = TRUE) = 0;
+	virtual LLGLTexture* getFetchedTexture(const LLUUID &image_id) = 0;
+};
+
+extern LLTextureManagerBridge* gTextureManagerBridgep;
+
+#endif // LL_TEXTUREMANAGERBRIDGE_H
+
diff --git a/indra/llappearance/llviewervisualparam.cpp b/indra/llappearance/llviewervisualparam.cpp
new file mode 100644
index 0000000000..cc81bcf118
--- /dev/null
+++ b/indra/llappearance/llviewervisualparam.cpp
@@ -0,0 +1,163 @@
+/** 
+ * @file llviewervisualparam.cpp
+ * @brief Implementation of LLViewerVisualParam 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 "llviewervisualparam.h"
+#include "llxmltree.h"
+#include "llwearable.h"
+
+//-----------------------------------------------------------------------------
+// LLViewerVisualParamInfo()
+//-----------------------------------------------------------------------------
+LLViewerVisualParamInfo::LLViewerVisualParamInfo()
+	:
+	mWearableType( LLWearableType::WT_INVALID ),
+	mCrossWearable(FALSE),
+	mCamDist( 0.5f ),
+	mCamAngle( 0.f ),
+	mCamElevation( 0.f ),
+	mEditGroupDisplayOrder( 0 ),
+	mShowSimple(FALSE),
+	mSimpleMin(0.f),
+	mSimpleMax(100.f)
+{
+}
+
+LLViewerVisualParamInfo::~LLViewerVisualParamInfo()
+{
+}
+
+//-----------------------------------------------------------------------------
+// parseXml()
+//-----------------------------------------------------------------------------
+BOOL LLViewerVisualParamInfo::parseXml(LLXmlTreeNode *node)
+{
+	llassert( node->hasName( "param" ) );
+
+	if (!LLVisualParamInfo::parseXml(node))
+		return FALSE;
+	
+	// VIEWER SPECIFIC PARAMS
+	
+	std::string wearable;
+	static LLStdStringHandle wearable_string = LLXmlTree::addAttributeString("wearable");
+	if( node->getFastAttributeString( wearable_string, wearable) )
+	{
+		mWearableType = LLWearableType::typeNameToType( wearable );
+	}
+
+	static LLStdStringHandle edit_group_string = LLXmlTree::addAttributeString("edit_group");
+	if (!node->getFastAttributeString( edit_group_string, mEditGroup))
+	{
+		mEditGroup = "";
+	}
+
+	static LLStdStringHandle cross_wearable_string = LLXmlTree::addAttributeString("cross_wearable");
+	if (!node->getFastAttributeBOOL(cross_wearable_string, mCrossWearable))
+	{
+		mCrossWearable = FALSE;
+	}
+
+	// Optional camera offsets from the current joint center.  Used for generating "hints" (thumbnails).
+	static LLStdStringHandle camera_distance_string = LLXmlTree::addAttributeString("camera_distance");
+	node->getFastAttributeF32( camera_distance_string, mCamDist );
+	static LLStdStringHandle camera_angle_string = LLXmlTree::addAttributeString("camera_angle");
+	node->getFastAttributeF32( camera_angle_string, mCamAngle );	// in degrees
+	static LLStdStringHandle camera_elevation_string = LLXmlTree::addAttributeString("camera_elevation");
+	node->getFastAttributeF32( camera_elevation_string, mCamElevation );
+
+	mCamAngle += 180;
+
+	static S32 params_loaded = 0;
+
+	// By default, parameters are displayed in the order in which they appear in the xml file.
+	// "edit_group_order" overriddes.
+	static LLStdStringHandle edit_group_order_string = LLXmlTree::addAttributeString("edit_group_order");
+	if( !node->getFastAttributeF32( edit_group_order_string, mEditGroupDisplayOrder ) )
+	{
+		mEditGroupDisplayOrder = (F32)params_loaded;
+	}
+
+	params_loaded++;
+	
+	return TRUE;
+}
+
+/*virtual*/ void LLViewerVisualParamInfo::toStream(std::ostream &out)
+{
+	LLVisualParamInfo::toStream(out);
+
+	out << mWearableType << "\t";
+	out << mEditGroup << "\t";
+	out << mEditGroupDisplayOrder << "\t";
+}
+
+//-----------------------------------------------------------------------------
+// LLViewerVisualParam()
+//-----------------------------------------------------------------------------
+LLViewerVisualParam::LLViewerVisualParam()
+{
+}
+
+//-----------------------------------------------------------------------------
+// setInfo()
+//-----------------------------------------------------------------------------
+
+BOOL LLViewerVisualParam::setInfo(LLViewerVisualParamInfo *info)
+{
+	llassert(mInfo == NULL);
+	if (info->mID < 0)
+		return FALSE;
+	mInfo = info;
+	mID = info->mID;
+	setWeight(getDefaultWeight(), FALSE );
+	return TRUE;
+}
+
+/*
+//=============================================================================
+// These virtual functions should always be overridden,
+// but are included here for use as templates
+//=============================================================================
+
+//-----------------------------------------------------------------------------
+// parseData()
+//-----------------------------------------------------------------------------
+BOOL LLViewerVisualParam::parseData(LLXmlTreeNode *node)
+{
+	LLViewerVisualParamInfo* info = new LLViewerVisualParamInfo;
+
+	info->parseXml(node);
+	if (!setInfo(info))
+		return FALSE;
+	
+	return TRUE;
+}
+*/
diff --git a/indra/llappearance/llviewervisualparam.h b/indra/llappearance/llviewervisualparam.h
new file mode 100644
index 0000000000..2826e6c316
--- /dev/null
+++ b/indra/llappearance/llviewervisualparam.h
@@ -0,0 +1,110 @@
+/** 
+ * @file llviewervisualparam.h
+ * @brief viewer side visual params (with data file parsing)
+ *
+ * $LicenseInfo:firstyear=2001&license=viewerlgpl$
+ * 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
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_LLViewerVisualParam_H
+#define LL_LLViewerVisualParam_H
+
+#include "v3math.h"
+#include "llstring.h"
+#include "llvisualparam.h"
+
+class LLWearable;
+
+//-----------------------------------------------------------------------------
+// LLViewerVisualParamInfo
+//-----------------------------------------------------------------------------
+class LLViewerVisualParamInfo : public LLVisualParamInfo
+{
+	friend class LLViewerVisualParam;
+public:
+	LLViewerVisualParamInfo();
+	/*virtual*/ ~LLViewerVisualParamInfo();
+	
+	/*virtual*/ BOOL parseXml(LLXmlTreeNode* node);
+
+	/*virtual*/ void toStream(std::ostream &out);
+
+protected:
+	S32			mWearableType;
+	BOOL		mCrossWearable;
+	std::string	mEditGroup;
+	F32			mCamDist;
+	F32			mCamAngle;		// degrees
+	F32			mCamElevation;
+	F32			mEditGroupDisplayOrder;
+	BOOL		mShowSimple;	// show edit controls when in "simple ui" mode?
+	F32			mSimpleMin;		// when in simple UI, apply this minimum, range 0.f to 100.f
+	F32			mSimpleMax;		// when in simple UI, apply this maximum, range 0.f to 100.f
+};
+
+//-----------------------------------------------------------------------------
+// LLViewerVisualParam
+// VIRTUAL CLASS
+// a viewer side interface class for a generalized parametric modification of the avatar mesh
+//-----------------------------------------------------------------------------
+LL_ALIGN_PREFIX(16)
+class LLViewerVisualParam : public LLVisualParam
+{
+public:
+	LLViewerVisualParam();
+	/*virtual*/ ~LLViewerVisualParam(){};
+
+	// Special: These functions are overridden by child classes
+	LLViewerVisualParamInfo 	*getInfo() const { return (LLViewerVisualParamInfo*)mInfo; };
+	//   This sets mInfo and calls initialization functions
+	BOOL						setInfo(LLViewerVisualParamInfo *info);
+
+	virtual LLViewerVisualParam* cloneParam(LLWearable* wearable) const = 0;
+	
+	// LLVisualParam Virtual functions
+	///*virtual*/ BOOL			parseData(LLXmlTreeNode* node);
+
+	// New Virtual functions
+	virtual F32					getTotalDistortion() = 0;
+	virtual const LLVector4a&	getAvgDistortion() = 0;
+	virtual F32					getMaxDistortion() = 0;
+	virtual LLVector4a			getVertexDistortion(S32 index, LLPolyMesh *mesh) = 0;
+	virtual const LLVector4a*	getFirstDistortion(U32 *index, LLPolyMesh **mesh) = 0;
+	virtual const LLVector4a*	getNextDistortion(U32 *index, LLPolyMesh **mesh) = 0;
+	
+	// interface methods
+	F32					getDisplayOrder() const		{ return getInfo()->mEditGroupDisplayOrder; }
+	S32					getWearableType() const		{ return getInfo()->mWearableType; }
+	const std::string&	getEditGroup() const		{ return getInfo()->mEditGroup; }
+
+	F32					getCameraDistance()	const	{ return getInfo()->mCamDist; } 
+	F32					getCameraAngle() const		{ return getInfo()->mCamAngle; }  // degrees
+	F32					getCameraElevation() const	{ return getInfo()->mCamElevation; } 
+	
+	BOOL				getShowSimple() const		{ return getInfo()->mShowSimple; }
+	F32					getSimpleMin() const		{ return getInfo()->mSimpleMin; }
+	F32					getSimpleMax() const		{ return getInfo()->mSimpleMax; }
+
+	BOOL				getCrossWearable() const 	{ return getInfo()->mCrossWearable; }
+
+} LL_ALIGN_POSTFIX(16);
+
+#endif // LL_LLViewerVisualParam_H
diff --git a/indra/llappearance/llwearable.cpp b/indra/llappearance/llwearable.cpp
new file mode 100644
index 0000000000..d86a460511
--- /dev/null
+++ b/indra/llappearance/llwearable.cpp
@@ -0,0 +1,781 @@
+/** 
+ * @file llwearable.cpp
+ * @brief LLWearable class implementation
+ *
+ * $LicenseInfo:firstyear=2002&license=viewerlgpl$
+ * 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
+ * $/LicenseInfo$
+ */
+
+#include "linden_common.h"
+
+#include "llavatarappearance.h"
+#include "lllocaltextureobject.h"
+#include "lltexlayer.h"
+#include "lltexturemanagerbridge.h"
+#include "llvisualparam.h"
+#include "llavatarappearancedefines.h"
+#include "llwearable.h"
+
+using namespace LLAvatarAppearanceDefines;
+
+// static
+S32 LLWearable::sCurrentDefinitionVersion = 1;
+
+// Private local functions
+static std::string terse_F32_to_string(F32 f);
+
+// virtual
+LLWearable::~LLWearable()
+{
+}
+
+const std::string& LLWearable::getTypeLabel() const
+{
+	return LLWearableType::getTypeLabel(mType);
+}
+
+const std::string& LLWearable::getTypeName() const
+{
+	return LLWearableType::getTypeName(mType);
+}
+
+LLAssetType::EType LLWearable::getAssetType() const
+{
+	return LLWearableType::getAssetType(mType);
+}
+
+BOOL LLWearable::exportFile(LLFILE* fp) const
+{
+	llofstream ofs(fp);
+	return exportStream(ofs);
+}
+
+// virtual
+BOOL LLWearable::exportStream( std::ostream& output_stream ) const
+{
+	if (!output_stream.good()) return FALSE;
+
+	// header and version
+	output_stream << "LLWearable version " << mDefinitionVersion  << "\n";
+	// name
+	output_stream << mName << "\n";
+	// description
+	output_stream << mDescription << "\n";
+
+	// permissions
+	if( !mPermissions.exportLegacyStream( output_stream ) )
+	{
+		return FALSE;
+	}
+
+	// sale info
+	if( !mSaleInfo.exportLegacyStream( output_stream ) )
+	{
+		return FALSE;
+	}
+
+	// wearable type
+	output_stream << "type " << (S32) getType() << "\n";
+
+	// parameters
+	output_stream << "parameters " << mVisualParamIndexMap.size() << "\n";
+
+	for (visual_param_index_map_t::const_iterator iter = mVisualParamIndexMap.begin();
+		 iter != mVisualParamIndexMap.end(); 
+		 ++iter)
+	{
+		S32 param_id = iter->first;
+		const LLVisualParam* param = iter->second;
+		F32 param_weight = param->getWeight();
+		output_stream << param_id << " " << terse_F32_to_string( param_weight ) << "\n";
+	}
+
+	// texture entries
+	output_stream << "textures " << mTEMap.size() << "\n";
+
+	for (te_map_t::const_iterator iter = mTEMap.begin(); iter != mTEMap.end(); ++iter)
+	{
+			S32 te = iter->first;
+			const LLUUID& image_id = iter->second->getID();
+			output_stream << te << " " << image_id << "\n";
+	}
+	return TRUE;
+}
+
+void LLWearable::createVisualParams(LLAvatarAppearance *avatarp)
+{
+	for (LLViewerVisualParam* param = (LLViewerVisualParam*) avatarp->getFirstVisualParam(); 
+		 param;
+		 param = (LLViewerVisualParam*) avatarp->getNextVisualParam())
+	{
+		if (param->getWearableType() == mType)
+		{
+			LLVisualParam *clone_param = param->cloneParam(this);
+			clone_param->setParamLocation(LOC_UNKNOWN);
+			clone_param->setParamLocation(LOC_WEARABLE);
+			addVisualParam(clone_param);
+		}
+	}
+
+	// resync driver parameters to point to the newly cloned driven parameters
+	for (visual_param_index_map_t::iterator param_iter = mVisualParamIndexMap.begin(); 
+		 param_iter != mVisualParamIndexMap.end(); 
+		 ++param_iter)
+	{
+		LLVisualParam* param = param_iter->second;
+		LLVisualParam*(LLWearable::*wearable_function)(S32)const = &LLWearable::getVisualParam; 
+		// need this line to disambiguate between versions of LLCharacter::getVisualParam()
+		LLVisualParam*(LLAvatarAppearance::*param_function)(S32)const = &LLAvatarAppearance::getVisualParam; 
+		param->resetDrivenParams();
+		if(!param->linkDrivenParams(boost::bind(wearable_function,(LLWearable*)this, _1), false))
+		{
+			if( !param->linkDrivenParams(boost::bind(param_function,avatarp,_1 ), true))
+			{
+				llwarns << "could not link driven params for wearable " << getName() << " id: " << param->getID() << llendl;
+				continue;
+			}
+		}
+	}
+}
+
+void LLWearable::createLayers(S32 te, LLAvatarAppearance *avatarp)
+{
+	LLTexLayerSet *layer_set = NULL;
+	const LLAvatarAppearanceDictionary::TextureEntry *texture_dict = LLAvatarAppearanceDictionary::getInstance()->getTexture((ETextureIndex)te);
+	if (texture_dict->mIsUsedByBakedTexture)
+	{
+		const EBakedTextureIndex baked_index = texture_dict->mBakedTextureIndex;
+		
+		 layer_set = avatarp->getAvatarLayerSet(baked_index);
+	}
+
+	if (layer_set)
+	{
+		   layer_set->cloneTemplates(mTEMap[te], (ETextureIndex)te, this);
+	}
+	else
+	{
+		   llerrs << "could not find layerset for LTO in wearable!" << llendl;
+	}
+}
+
+LLWearable::EImportResult LLWearable::importFile(LLFILE* fp, LLAvatarAppearance* avatarp )
+{
+	llifstream ifs(fp);
+	return importStream(ifs, avatarp);
+}
+
+// virtual
+LLWearable::EImportResult LLWearable::importStream( std::istream& input_stream, LLAvatarAppearance* avatarp )
+{
+	// *NOTE: changing the type or size of this buffer will require
+	// changes in the fscanf() code below.
+	// We are using a local max buffer size here to avoid issues
+	// if MAX_STRING size changes.
+	const U32 PARSE_BUFFER_SIZE = 2048;
+	char buffer[PARSE_BUFFER_SIZE];		/* Flawfinder: ignore */
+	char uuid_buffer[37];	/* Flawfinder: ignore */
+
+	// This data is being generated on the viewer.
+	// Impose some sane limits on parameter and texture counts.
+	const S32 MAX_WEARABLE_ASSET_TEXTURES = 100;
+	const S32 MAX_WEARABLE_ASSET_PARAMETERS = 1000;
+
+	if(!avatarp)
+	{
+		return LLWearable::FAILURE;
+	}
+
+	// read header and version 
+	if (!getNextPopulatedLine(input_stream, buffer, PARSE_BUFFER_SIZE))
+	{
+		llwarns << "Failed to read wearable asset input stream." << llendl;
+		return LLWearable::FAILURE;
+	}
+	if ( 1 != sscanf( /* Flawfinder: ignore */
+				buffer,
+				"LLWearable version %d\n",
+				&mDefinitionVersion ) )
+	{
+		return LLWearable::BAD_HEADER;
+	}
+
+	// Hack to allow wearables with definition version 24 to still load.
+	// This should only affect lindens and NDA'd testers who have saved wearables in 2.0
+	// the extra check for version == 24 can be removed before release, once internal testers
+	// have loaded these wearables again. See hack pt 2 at bottom of function to ensure that
+	// these wearables get re-saved with version definition 22.
+	if( mDefinitionVersion > LLWearable::sCurrentDefinitionVersion && mDefinitionVersion != 24 )
+	{
+		llwarns << "Wearable asset has newer version (" << mDefinitionVersion << ") than XML (" << LLWearable::sCurrentDefinitionVersion << ")" << llendl;
+		return LLWearable::FAILURE;
+	}
+
+	// name may be empty
+    if (!input_stream.good())
+	{
+		llwarns << "Bad Wearable asset: early end of input stream " 
+				<< "while reading name" << llendl;
+		return LLWearable::FAILURE;
+	}
+	input_stream.getline(buffer, PARSE_BUFFER_SIZE);
+	mName = buffer;
+
+	// description may be empty
+	if (!input_stream.good())
+	{
+		llwarns << "Bad Wearable asset: early end of input stream " 
+				<< "while reading description" << llendl;
+		return LLWearable::FAILURE;
+	}
+	input_stream.getline(buffer, PARSE_BUFFER_SIZE);
+	mDescription = buffer;
+
+	// permissions may have extra empty lines before the correct line
+	if (!getNextPopulatedLine(input_stream, buffer, PARSE_BUFFER_SIZE))
+	{
+		llwarns << "Bad Wearable asset: early end of input stream " 
+				<< "while reading permissions" << llendl;
+		return LLWearable::FAILURE;
+	}
+	S32 perm_version = -1;
+	if ( 1 != sscanf( buffer, " permissions %d\n", &perm_version ) ||
+		 perm_version != 0 )
+	{
+		llwarns << "Bad Wearable asset: missing valid permissions" << llendl;
+		return LLWearable::FAILURE;
+	}
+	if( !mPermissions.importLegacyStream( input_stream ) )
+	{
+		return LLWearable::FAILURE;
+	}
+
+	// sale info
+	if (!getNextPopulatedLine(input_stream, buffer, PARSE_BUFFER_SIZE))
+	{
+		llwarns << "Bad Wearable asset: early end of input stream " 
+				<< "while reading sale info" << llendl;
+		return LLWearable::FAILURE;
+	}
+	S32 sale_info_version = -1;
+	if ( 1 != sscanf( buffer, " sale_info %d\n", &sale_info_version ) ||
+		sale_info_version != 0 )
+	{
+		llwarns << "Bad Wearable asset: missing valid sale_info" << llendl;
+		return LLWearable::FAILURE;
+	}
+	// Sale info used to contain next owner perm. It is now in the
+	// permissions. Thus, we read that out, and fix legacy
+	// objects. It's possible this op would fail, but it should pick
+	// up the vast majority of the tasks.
+	BOOL has_perm_mask = FALSE;
+	U32 perm_mask = 0;
+	if( !mSaleInfo.importLegacyStream(input_stream, has_perm_mask, perm_mask) )
+	{
+		return LLWearable::FAILURE;
+	}
+	if(has_perm_mask)
+	{
+		// fair use fix.
+		if(!(perm_mask & PERM_COPY))
+		{
+			perm_mask |= PERM_TRANSFER;
+		}
+		mPermissions.setMaskNext(perm_mask);
+	}
+
+	// wearable type
+	if (!getNextPopulatedLine(input_stream, buffer, PARSE_BUFFER_SIZE))
+	{
+		llwarns << "Bad Wearable asset: early end of input stream " 
+				<< "while reading type" << llendl;
+		return LLWearable::FAILURE;
+	}
+	S32 type = -1;
+	if ( 1 != sscanf( buffer, "type %d\n", &type ) )
+	{
+		llwarns << "Bad Wearable asset: bad type" << llendl;
+		return LLWearable::FAILURE;
+	}
+	if( 0 <= type && type < LLWearableType::WT_COUNT )
+	{
+		setType((LLWearableType::EType)type, avatarp);
+	}
+	else
+	{
+		mType = LLWearableType::WT_COUNT;
+		llwarns << "Bad Wearable asset: bad type #" << type <<  llendl;
+		return LLWearable::FAILURE;
+	}
+
+	// parameters header
+	if (!getNextPopulatedLine(input_stream, buffer, PARSE_BUFFER_SIZE))
+	{
+		llwarns << "Bad Wearable asset: early end of input stream " 
+				<< "while reading parameters header" << llendl;
+		return LLWearable::FAILURE;
+	}
+	S32 num_parameters = -1;
+	if ( 1 != sscanf( buffer, "parameters %d\n", &num_parameters ) )
+	{
+		llwarns << "Bad Wearable asset: missing parameters block" << llendl;
+		return LLWearable::FAILURE;
+	}
+	if ( num_parameters > MAX_WEARABLE_ASSET_PARAMETERS )
+	{
+		llwarns << "Bad Wearable asset: too many parameters, "
+				<< num_parameters << llendl;
+		return LLWearable::FAILURE;
+	}
+	if( num_parameters != mVisualParamIndexMap.size() )
+	{
+		llwarns << "Wearable parameter mismatch. Reading in " 
+				<< num_parameters << " from file, but created " 
+				<< mVisualParamIndexMap.size() 
+				<< " from avatar parameters. type: " 
+				<<  getType() << llendl;
+	}
+
+	// parameters
+	S32 i;
+	for( i = 0; i < num_parameters; i++ )
+	{
+		if (!getNextPopulatedLine(input_stream, buffer, PARSE_BUFFER_SIZE))
+		{
+			llwarns << "Bad Wearable asset: early end of input stream " 
+					<< "while reading parameter #" << i << llendl;
+			return LLWearable::FAILURE;
+		}
+		S32 param_id = 0;
+		F32 param_weight = 0.f;
+		if ( 2 != sscanf( buffer, "%d %f\n", &param_id, &param_weight ) )
+		{
+			llwarns << "Bad Wearable asset: bad parameter, #" << i << llendl;
+			return LLWearable::FAILURE;
+		}
+		mSavedVisualParamMap[param_id] = param_weight;
+	}
+
+	// textures header
+	if (!getNextPopulatedLine(input_stream, buffer, PARSE_BUFFER_SIZE))
+	{
+		llwarns << "Bad Wearable asset: early end of input stream " 
+				<< "while reading textures header" << i << llendl;
+		return LLWearable::FAILURE;
+	}
+	S32 num_textures = -1;
+	if ( 1 != sscanf( buffer, "textures %d\n", &num_textures) )
+	{
+		llwarns << "Bad Wearable asset: missing textures block" << llendl;
+		return LLWearable::FAILURE;
+	}
+	if ( num_textures > MAX_WEARABLE_ASSET_TEXTURES )
+	{
+		llwarns << "Bad Wearable asset: too many textures, "
+				<< num_textures << llendl;
+		return LLWearable::FAILURE;
+	}
+
+	// textures
+	for( i = 0; i < num_textures; i++ )
+	{
+		if (!getNextPopulatedLine(input_stream, buffer, PARSE_BUFFER_SIZE))
+		{
+			llwarns << "Bad Wearable asset: early end of input stream " 
+					<< "while reading textures #" << i << llendl;
+			return LLWearable::FAILURE;
+		}
+		S32 te = 0;
+		if ( 2 != sscanf(   /* Flawfinder: ignore */
+				buffer,
+				"%d %36s\n",
+				&te, uuid_buffer) )
+		{
+				llwarns << "Bad Wearable asset: bad texture, #" << i << llendl;
+				return LLWearable::FAILURE;
+		}
+	
+		if( !LLUUID::validate( uuid_buffer ) )
+		{
+				llwarns << "Bad Wearable asset: bad texture uuid: " 
+						<< uuid_buffer << llendl;
+				return LLWearable::FAILURE;
+		}
+		LLUUID id = LLUUID(uuid_buffer);
+		LLGLTexture* image = gTextureManagerBridgep->getFetchedTexture( id );
+		if( mTEMap.find(te) != mTEMap.end() )
+		{
+				delete mTEMap[te];
+		}
+		if( mSavedTEMap.find(te) != mSavedTEMap.end() )
+		{
+				delete mSavedTEMap[te];
+		}
+	
+		LLUUID textureid(uuid_buffer);
+		mTEMap[te] = new LLLocalTextureObject(image, textureid);
+		mSavedTEMap[te] = new LLLocalTextureObject(image, textureid);
+		createLayers(te, avatarp);
+	}
+
+	// copy all saved param values to working params
+	revertValues();
+
+	return LLWearable::SUCCESS;
+}
+
+BOOL LLWearable::getNextPopulatedLine(std::istream& input_stream, char* buffer, U32 buffer_size)
+{
+	if (!input_stream.good())
+	{
+		return FALSE;
+	}
+
+	do 
+	{
+		input_stream.getline(buffer, buffer_size);
+	}
+	while (input_stream.good() && buffer[0]=='\0');
+
+	return (buffer[0] != '\0'); 
+}
+
+
+void LLWearable::setType(LLWearableType::EType type, LLAvatarAppearance *avatarp) 
+{ 
+	mType = type; 
+	createVisualParams(avatarp);
+}
+
+
+LLLocalTextureObject* LLWearable::getLocalTextureObject(S32 index)
+{
+	te_map_t::iterator iter = mTEMap.find(index);
+	if( iter != mTEMap.end() )
+	{
+		LLLocalTextureObject* lto = iter->second;
+		return lto;
+	}
+	return NULL;
+}
+
+const LLLocalTextureObject* LLWearable::getLocalTextureObject(S32 index) const
+{
+	te_map_t::const_iterator iter = mTEMap.find(index);
+	if( iter != mTEMap.end() )
+	{
+		const LLLocalTextureObject* lto = iter->second;
+		return lto;
+	}
+	return NULL;
+}
+
+std::vector<LLLocalTextureObject*> LLWearable::getLocalTextureListSeq()
+{
+	std::vector<LLLocalTextureObject*> result;
+
+	for(te_map_t::const_iterator iter = mTEMap.begin();
+		iter != mTEMap.end(); iter++)
+	{
+		LLLocalTextureObject* lto = iter->second;
+		result.push_back(lto);
+	}
+
+	return result;
+}
+
+void LLWearable::setLocalTextureObject(S32 index, LLLocalTextureObject &lto)
+{
+	if( mTEMap.find(index) != mTEMap.end() )
+	{
+		mTEMap.erase(index);
+	}
+	mTEMap[index] = new LLLocalTextureObject(lto);
+}
+
+void LLWearable::revertValues()
+{
+	// FIXME DRANO - this triggers changes to driven params on avatar, potentially clobbering baked appearance.
+
+	//update saved settings so wearable is no longer dirty
+	// non-driver params first
+	for (param_map_t::const_iterator iter = mSavedVisualParamMap.begin(); iter != mSavedVisualParamMap.end(); iter++)
+	{
+		S32 id = iter->first;
+		F32 value = iter->second;
+		LLVisualParam *param = getVisualParam(id);
+		if(param &&  !dynamic_cast<LLDriverParam*>(param) )
+		{
+			setVisualParamWeight(id, value, TRUE);
+		}
+	}
+
+	//then driver params
+	for (param_map_t::const_iterator iter = mSavedVisualParamMap.begin(); iter != mSavedVisualParamMap.end(); iter++)
+	{
+		S32 id = iter->first;
+		F32 value = iter->second;
+		LLVisualParam *param = getVisualParam(id);
+		if(param &&  dynamic_cast<LLDriverParam*>(param) )
+		{
+			setVisualParamWeight(id, value, TRUE);
+		}
+	}
+
+	// make sure that saved values are sane
+	for (param_map_t::const_iterator iter = mSavedVisualParamMap.begin(); iter != mSavedVisualParamMap.end(); iter++)
+	{
+		S32 id = iter->first;
+		LLVisualParam *param = getVisualParam(id);
+		if( param )
+		{
+			mSavedVisualParamMap[id] = param->getWeight();
+		}
+	}
+
+	syncImages(mSavedTEMap, mTEMap);
+}
+
+void LLWearable::saveValues()
+{
+	//update saved settings so wearable is no longer dirty
+	mSavedVisualParamMap.clear();
+	for (visual_param_index_map_t::const_iterator iter = mVisualParamIndexMap.begin(); iter != mVisualParamIndexMap.end(); ++iter)
+	{
+		S32 id = iter->first;
+		LLVisualParam *wearable_param = iter->second;
+		F32 value = wearable_param->getWeight();
+		mSavedVisualParamMap[id] = value;
+	}
+
+	// Deep copy of mTEMap (copies only those tes that are current, filling in defaults where needed)
+	syncImages(mTEMap, mSavedTEMap);
+}
+
+void LLWearable::syncImages(te_map_t &src, te_map_t &dst)
+{
+	// Deep copy of src (copies only those tes that are current, filling in defaults where needed)
+	for( S32 te = 0; te < TEX_NUM_INDICES; te++ )
+	{
+		if (LLAvatarAppearanceDictionary::getTEWearableType((ETextureIndex) te) == mType)
+		{
+			te_map_t::const_iterator iter = src.find(te);
+			LLUUID image_id;
+			LLGLTexture *image = NULL;
+			LLLocalTextureObject *lto = NULL;
+			if(iter != src.end())
+			{
+				// there's a Local Texture Object in the source image map. Use this to populate the values to store in the destination image map.
+				lto = iter->second;
+				image = lto->getImage();
+				image_id = lto->getID();
+			}
+			else
+			{
+				// there is no Local Texture Object in the source image map. Get defaults values for populating the destination image map.
+				image_id = getDefaultTextureImageID((ETextureIndex) te);
+				image = gTextureManagerBridgep->getFetchedTexture( image_id );
+			}
+
+			if( dst.find(te) != dst.end() )
+			{
+				// there's already an entry in the destination map for the texture. Just update its values.
+				dst[te]->setImage(image);
+				dst[te]->setID(image_id);
+			}
+			else
+			{
+				// no entry found in the destination map, we need to create a new Local Texture Object
+				dst[te] = new LLLocalTextureObject(image, image_id);
+			}
+
+			if( lto )
+			{
+				// If we pulled values from a Local Texture Object in the source map, make sure the proper flags are set in the new (or updated) entry in the destination map.
+				dst[te]->setBakedReady(lto->getBakedReady());
+				dst[te]->setDiscard(lto->getDiscard());
+			}
+		}
+	}
+}
+
+void LLWearable::destroyTextures()
+{
+	for( te_map_t::iterator iter = mTEMap.begin(); iter != mTEMap.end(); ++iter )
+	{
+		LLLocalTextureObject *lto = iter->second;
+		delete lto;
+	}
+	mTEMap.clear();
+	for( te_map_t::iterator iter = mSavedTEMap.begin(); iter != mSavedTEMap.end(); ++iter )
+	{
+		LLLocalTextureObject *lto = iter->second;
+		delete lto;
+	}
+	mSavedTEMap.clear();
+}
+
+void LLWearable::addVisualParam(LLVisualParam *param)
+{
+	if( mVisualParamIndexMap[param->getID()] )
+	{
+		delete mVisualParamIndexMap[param->getID()];
+	}
+	param->setIsDummy(FALSE);
+	param->setParamLocation(LOC_WEARABLE);
+	mVisualParamIndexMap[param->getID()] = param;
+	mSavedVisualParamMap[param->getID()] = param->getDefaultWeight();
+}
+
+
+void LLWearable::setVisualParamWeight(S32 param_index, F32 value, BOOL upload_bake)
+{
+	if( is_in_map(mVisualParamIndexMap, param_index ) )
+	{
+		LLVisualParam *wearable_param = mVisualParamIndexMap[param_index];
+		wearable_param->setWeight(value, upload_bake);
+	}
+	else
+	{
+		llerrs << "LLWearable::setVisualParam passed invalid parameter index: " << param_index << " for wearable type: " << this->getName() << llendl;
+	}
+}
+
+F32 LLWearable::getVisualParamWeight(S32 param_index) const
+{
+	if( is_in_map(mVisualParamIndexMap, param_index ) )
+	{
+		const LLVisualParam *wearable_param = mVisualParamIndexMap.find(param_index)->second;
+		return wearable_param->getWeight();
+	}
+	else
+	{
+		llwarns << "LLWerable::getVisualParam passed invalid parameter index: "  << param_index << " for wearable type: " << this->getName() << llendl;
+	}
+	return (F32)-1.0;
+}
+
+LLVisualParam* LLWearable::getVisualParam(S32 index) const
+{
+	visual_param_index_map_t::const_iterator iter = mVisualParamIndexMap.find(index);
+	return (iter == mVisualParamIndexMap.end()) ? NULL : iter->second;
+}
+
+
+void LLWearable::getVisualParams(visual_param_vec_t &list)
+{
+	visual_param_index_map_t::iterator iter = mVisualParamIndexMap.begin();
+	visual_param_index_map_t::iterator end = mVisualParamIndexMap.end();
+
+	// add all visual params to the passed-in vector
+	for( ; iter != end; ++iter )
+	{
+		list.push_back(iter->second);
+	}
+}
+
+void LLWearable::animateParams(F32 delta, BOOL upload_bake)
+{
+	for(visual_param_index_map_t::iterator iter = mVisualParamIndexMap.begin();
+		 iter != mVisualParamIndexMap.end();
+		 ++iter)
+	{
+		LLVisualParam *param = (LLVisualParam*) iter->second;
+		param->animate(delta, upload_bake);
+	}
+}
+
+LLColor4 LLWearable::getClothesColor(S32 te) const
+{
+	LLColor4 color;
+	U32 param_name[3];
+	if( LLAvatarAppearance::teToColorParams( (LLAvatarAppearanceDefines::ETextureIndex)te, param_name ) )
+	{
+		for( U8 index = 0; index < 3; index++ )
+		{
+			color.mV[index] = getVisualParamWeight(param_name[index]);
+		}
+	}
+	return color;
+}
+
+void LLWearable::setClothesColor( S32 te, const LLColor4& new_color, BOOL upload_bake )
+{
+	U32 param_name[3];
+	if( LLAvatarAppearance::teToColorParams( (LLAvatarAppearanceDefines::ETextureIndex)te, param_name ) )
+	{
+		for( U8 index = 0; index < 3; index++ )
+		{
+			setVisualParamWeight(param_name[index], new_color.mV[index], upload_bake);
+		}
+	}
+}
+
+void LLWearable::writeToAvatar(LLAvatarAppearance* avatarp)
+{
+	if (!avatarp) return;
+
+	// Pull params
+	for( LLVisualParam* param = avatarp->getFirstVisualParam(); param; param = avatarp->getNextVisualParam() )
+	{
+		// cross-wearable parameters are not authoritative, as they are driven by a different wearable. So don't copy the values to the
+		// avatar object if cross wearable. Cross wearable params get their values from the avatar, they shouldn't write the other way.
+		if( (((LLViewerVisualParam*)param)->getWearableType() == mType) && (!((LLViewerVisualParam*)param)->getCrossWearable()) )
+		{
+			S32 param_id = param->getID();
+			F32 weight = getVisualParamWeight(param_id);
+
+			avatarp->setVisualParamWeight( param_id, weight, FALSE );
+		}
+	}
+}
+
+
+std::string terse_F32_to_string(F32 f)
+{
+	std::string r = llformat("%.2f", f);
+	S32 len = r.length();
+
+    // "1.20"  -> "1.2"
+    // "24.00" -> "24."
+	while (len > 0 && ('0' == r[len - 1]))
+	{
+		r.erase(len-1, 1);
+		len--;
+	}
+	if ('.' == r[len - 1])
+	{
+		// "24." -> "24"
+		r.erase(len-1, 1);
+	}
+	else if (('-' == r[0]) && ('0' == r[1]))
+	{
+		// "-0.59" -> "-.59"
+		r.erase(1, 1);
+	}
+	else if ('0' == r[0])
+	{
+		// "0.59" -> ".59"
+		r.erase(0, 1);
+	}
+	return r;
+}
+
diff --git a/indra/llappearance/llwearable.h b/indra/llappearance/llwearable.h
new file mode 100644
index 0000000000..6f5a1e14e8
--- /dev/null
+++ b/indra/llappearance/llwearable.h
@@ -0,0 +1,142 @@
+/** 
+ * @file llwearable.h
+ * @brief LLWearable class header file
+ *
+ * $LicenseInfo:firstyear=2002&license=viewerlgpl$
+ * 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
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_LLWEARABLE_H
+#define LL_LLWEARABLE_H
+
+#include "llavatarappearancedefines.h"
+#include "llextendedstatus.h"
+#include "llpermissions.h"
+#include "llsaleinfo.h"
+#include "llwearabletype.h"
+#include "lllocaltextureobject.h"
+
+class LLMD5;
+class LLVisualParam;
+class LLTexGlobalColorInfo;
+class LLTexGlobalColor;
+class LLAvatarAppearance;
+
+// Abstract class.
+class LLWearable
+{
+	//--------------------------------------------------------------------
+	// Constructors and destructors
+	//--------------------------------------------------------------------
+public:
+	virtual ~LLWearable();
+
+	//--------------------------------------------------------------------
+	// Accessors
+	//--------------------------------------------------------------------
+public:
+	LLWearableType::EType		getType() const	{ return mType; }
+	void						setType(LLWearableType::EType type, LLAvatarAppearance *avatarp);
+	const std::string&			getName() const	{ return mName; }
+	void						setName(const std::string& name) { mName = name; }
+	const std::string&			getDescription() const { return mDescription; }
+	void						setDescription(const std::string& desc)	{ mDescription = desc; }
+	const LLPermissions& 		getPermissions() const { return mPermissions; }
+	void						setPermissions(const LLPermissions& p) { mPermissions = p; }
+	const LLSaleInfo&			getSaleInfo() const	{ return mSaleInfo; }
+	void						setSaleInfo(const LLSaleInfo& info)	{ mSaleInfo = info; }
+	const std::string&			getTypeLabel() const;
+	const std::string&			getTypeName() const;
+	LLAssetType::EType			getAssetType() const;
+	S32							getDefinitionVersion() const { return mDefinitionVersion; }
+	void						setDefinitionVersion( S32 new_version ) { mDefinitionVersion = new_version; }
+	static S32					getCurrentDefinitionVersion() { return LLWearable::sCurrentDefinitionVersion; }
+
+public:
+	typedef std::vector<LLVisualParam*> visual_param_vec_t;
+
+	virtual void	writeToAvatar(LLAvatarAppearance* avatarp);
+
+	enum EImportResult
+	{
+		FAILURE = 0,
+		SUCCESS,
+		BAD_HEADER
+	};
+	BOOL				exportFile(LLFILE* file) const;
+	EImportResult		importFile(LLFILE* file, LLAvatarAppearance* avatarp );
+	virtual BOOL				exportStream( std::ostream& output_stream ) const;
+	virtual EImportResult		importStream( std::istream& input_stream, LLAvatarAppearance* avatarp );
+
+	static void			setCurrentDefinitionVersion( S32 version ) { LLWearable::sCurrentDefinitionVersion = version; }
+	virtual LLUUID		getDefaultTextureImageID(LLAvatarAppearanceDefines::ETextureIndex index) const = 0;
+
+	LLLocalTextureObject* getLocalTextureObject(S32 index);
+	const LLLocalTextureObject* getLocalTextureObject(S32 index) const;
+	std::vector<LLLocalTextureObject*> getLocalTextureListSeq();
+
+	void				setLocalTextureObject(S32 index, LLLocalTextureObject &lto);
+	void				addVisualParam(LLVisualParam *param);
+	void 				setVisualParamWeight(S32 index, F32 value, BOOL upload_bake);
+	F32					getVisualParamWeight(S32 index) const;
+	LLVisualParam*		getVisualParam(S32 index) const;
+	void				getVisualParams(visual_param_vec_t &list);
+	void				animateParams(F32 delta, BOOL upload_bake);
+
+	LLColor4			getClothesColor(S32 te) const;
+	void 				setClothesColor( S32 te, const LLColor4& new_color, BOOL upload_bake );
+
+	virtual void		revertValues();
+	virtual void		saveValues();
+
+	// Something happened that requires the wearable to be updated (e.g. worn/unworn).
+	virtual void		setUpdated() const = 0;
+
+	// Update the baked texture hash.
+	virtual void		addToBakedTextureHash(LLMD5& hash) const = 0;
+
+protected:
+	typedef std::map<S32, LLLocalTextureObject*> te_map_t;
+	void				syncImages(te_map_t &src, te_map_t &dst);
+	void				destroyTextures();
+	void			 	createVisualParams(LLAvatarAppearance *avatarp);
+	void 				createLayers(S32 te, LLAvatarAppearance *avatarp);
+	BOOL				getNextPopulatedLine(std::istream& input_stream, char* buffer, U32 buffer_size);
+
+	static S32			sCurrentDefinitionVersion;	// Depends on the current state of the avatar_lad.xml.
+	S32					mDefinitionVersion;			// Depends on the state of the avatar_lad.xml when this asset was created.
+	std::string			mName;
+	std::string			mDescription;
+	LLPermissions		mPermissions;
+	LLSaleInfo			mSaleInfo;
+	LLWearableType::EType		mType;
+
+	typedef std::map<S32, F32> param_map_t;
+	param_map_t mSavedVisualParamMap; // last saved version of visual params
+
+	typedef std::map<S32, LLVisualParam *>    visual_param_index_map_t;
+	visual_param_index_map_t mVisualParamIndexMap;
+
+	te_map_t mTEMap;				// maps TE to LocalTextureObject
+	te_map_t mSavedTEMap;			// last saved version of TEMap
+};
+
+#endif  // LL_LLWEARABLE_H
diff --git a/indra/llappearance/llwearabledata.cpp b/indra/llappearance/llwearabledata.cpp
new file mode 100644
index 0000000000..68fdcca782
--- /dev/null
+++ b/indra/llappearance/llwearabledata.cpp
@@ -0,0 +1,360 @@
+/** 
+ * @file llwearabledata.cpp
+ * @brief LLWearableData class implementation
+ *
+ * $LicenseInfo:firstyear=2012&license=viewerlgpl$
+ * 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
+ * $/LicenseInfo$
+ */
+
+#include "linden_common.h"
+
+#include "llwearabledata.h"
+
+#include "llavatarappearance.h"
+#include "llavatarappearancedefines.h"
+#include "lldriverparam.h"
+#include "llmd5.h"
+
+LLWearableData::LLWearableData() :
+	mAvatarAppearance(NULL)
+{
+}
+
+// virtual
+LLWearableData::~LLWearableData()
+{
+}
+
+using namespace LLAvatarAppearanceDefines;
+
+LLWearable* LLWearableData::getWearable(const LLWearableType::EType type, U32 index)
+{
+	wearableentry_map_t::iterator wearable_iter = mWearableDatas.find(type);
+	if (wearable_iter == mWearableDatas.end())
+	{
+		return NULL;
+	}
+	wearableentry_vec_t& wearable_vec = wearable_iter->second;
+	if (index>=wearable_vec.size())
+	{
+		return NULL;
+	}
+	else
+	{
+		return wearable_vec[index];
+	}
+}
+
+void LLWearableData::setWearable(const LLWearableType::EType type, U32 index, LLWearable *wearable)
+{
+	LLWearable *old_wearable = getWearable(type,index);
+	if (!old_wearable)
+	{
+		pushWearable(type,wearable);
+		return;
+	}
+	
+	wearableentry_map_t::iterator wearable_iter = mWearableDatas.find(type);
+	if (wearable_iter == mWearableDatas.end())
+	{
+		llwarns << "invalid type, type " << type << " index " << index << llendl; 
+		return;
+	}
+	wearableentry_vec_t& wearable_vec = wearable_iter->second;
+	if (index>=wearable_vec.size())
+	{
+		llwarns << "invalid index, type " << type << " index " << index << llendl; 
+	}
+	else
+	{
+		wearable_vec[index] = wearable;
+		old_wearable->setUpdated();
+		const BOOL removed = FALSE;
+		wearableUpdated(wearable, removed);
+	}
+}
+
+U32 LLWearableData::pushWearable(const LLWearableType::EType type, 
+								   LLWearable *wearable,
+								   bool trigger_updated /* = true */)
+{
+	if (wearable == NULL)
+	{
+		// no null wearables please!
+		llwarns << "Null wearable sent for type " << type << llendl;
+		return MAX_CLOTHING_PER_TYPE;
+	}
+	if (type < LLWearableType::WT_COUNT || mWearableDatas[type].size() < MAX_CLOTHING_PER_TYPE)
+	{
+		mWearableDatas[type].push_back(wearable);
+		if (trigger_updated)
+		{
+			const BOOL removed = FALSE;
+			wearableUpdated(wearable, removed);
+		}
+		return mWearableDatas[type].size()-1;
+	}
+	return MAX_CLOTHING_PER_TYPE;
+}
+
+// virtual
+void LLWearableData::wearableUpdated(LLWearable *wearable, BOOL removed)
+{
+	wearable->setUpdated();
+	// FIXME DRANO avoid updating params via wearables when rendering server-baked appearance.
+#if 0
+	if (mAvatarAppearance->isUsingServerBakes() && !mAvatarAppearance->isUsingLocalAppearance())
+	{
+		return;
+	}
+#endif
+	if (!removed)
+	{
+		pullCrossWearableValues(wearable->getType());
+	}
+}
+
+void LLWearableData::popWearable(LLWearable *wearable)
+{
+	if (wearable == NULL)
+	{
+		// nothing to do here. move along.
+		return;
+	}
+
+	U32 index = getWearableIndex(wearable);
+	const LLWearableType::EType type = wearable->getType();
+
+	if (index < MAX_CLOTHING_PER_TYPE && index < getWearableCount(type))
+	{
+		popWearable(type, index);
+	}
+}
+
+void LLWearableData::popWearable(const LLWearableType::EType type, U32 index)
+{
+	LLWearable *wearable = getWearable(type, index);
+	if (wearable)
+	{
+		mWearableDatas[type].erase(mWearableDatas[type].begin() + index);
+		const BOOL removed = TRUE;
+		wearableUpdated(wearable, removed);
+	}
+}
+
+void LLWearableData::clearWearableType(const LLWearableType::EType type)
+{
+	wearableentry_map_t::iterator wearable_iter = mWearableDatas.find(type);
+	if (wearable_iter == mWearableDatas.end())
+	{
+		return;
+	}
+	wearableentry_vec_t& wearable_vec = wearable_iter->second;
+	wearable_vec.clear();
+}
+
+bool LLWearableData::swapWearables(const LLWearableType::EType type, U32 index_a, U32 index_b)
+{
+	wearableentry_map_t::iterator wearable_iter = mWearableDatas.find(type);
+	if (wearable_iter == mWearableDatas.end())
+	{
+		return false;
+	}
+
+	wearableentry_vec_t& wearable_vec = wearable_iter->second;
+	if (0 > index_a || index_a >= wearable_vec.size()) return false;
+	if (0 > index_b || index_b >= wearable_vec.size()) return false;
+
+	LLWearable* wearable = wearable_vec[index_a];
+	wearable_vec[index_a] = wearable_vec[index_b];
+	wearable_vec[index_b] = wearable;
+	return true;
+}
+
+void LLWearableData::pullCrossWearableValues(const LLWearableType::EType type)
+{
+	llassert(mAvatarAppearance);
+	// scan through all of the avatar's visual parameters
+	for (LLViewerVisualParam* param = (LLViewerVisualParam*) mAvatarAppearance->getFirstVisualParam(); 
+		 param;
+		 param = (LLViewerVisualParam*) mAvatarAppearance->getNextVisualParam())
+	{
+		if( param )
+		{
+			LLDriverParam *driver_param = dynamic_cast<LLDriverParam*>(param);
+			if(driver_param)
+			{
+				// parameter is a driver parameter, have it update its cross-driven params
+				driver_param->updateCrossDrivenParams(type);
+			}
+		}
+	}
+}
+
+
+U32	LLWearableData::getWearableIndex(const LLWearable *wearable) const
+{
+	if (wearable == NULL)
+	{
+		return MAX_CLOTHING_PER_TYPE;
+	}
+
+	const LLWearableType::EType type = wearable->getType();
+	wearableentry_map_t::const_iterator wearable_iter = mWearableDatas.find(type);
+	if (wearable_iter == mWearableDatas.end())
+	{
+		llwarns << "tried to get wearable index with an invalid type!" << llendl;
+		return MAX_CLOTHING_PER_TYPE;
+	}
+	const wearableentry_vec_t& wearable_vec = wearable_iter->second;
+	for(U32 index = 0; index < wearable_vec.size(); index++)
+	{
+		if (wearable_vec[index] == wearable)
+		{
+			return index;
+		}
+	}
+
+	return MAX_CLOTHING_PER_TYPE;
+}
+
+BOOL LLWearableData::isOnTop(LLWearable* wearable) const
+{
+	if (!wearable) return FALSE;
+	const LLWearableType::EType type = wearable->getType();
+	return ( getTopWearable(type) == wearable );
+}
+
+const LLWearable* LLWearableData::getWearable(const LLWearableType::EType type, U32 index) const
+{
+	wearableentry_map_t::const_iterator wearable_iter = mWearableDatas.find(type);
+	if (wearable_iter == mWearableDatas.end())
+	{
+		return NULL;
+	}
+	const wearableentry_vec_t& wearable_vec = wearable_iter->second;
+	if (index>=wearable_vec.size())
+	{
+		return NULL;
+	}
+	else
+	{
+		return wearable_vec[index];
+	}
+}
+
+LLWearable* LLWearableData::getTopWearable(const LLWearableType::EType type)
+{
+	U32 count = getWearableCount(type);
+	if ( count == 0)
+	{
+		return NULL;
+	}
+
+	return getWearable(type, count-1);
+}
+
+const LLWearable* LLWearableData::getTopWearable(const LLWearableType::EType type) const
+{
+	U32 count = getWearableCount(type);
+	if ( count == 0)
+	{
+		return NULL;
+	}
+
+	return getWearable(type, count-1);
+}
+
+LLWearable* LLWearableData::getBottomWearable(const LLWearableType::EType type)
+{
+	if (getWearableCount(type) == 0)
+	{
+		return NULL;
+	}
+
+	return getWearable(type, 0);
+}
+
+const LLWearable* LLWearableData::getBottomWearable(const LLWearableType::EType type) const
+{
+	if (getWearableCount(type) == 0)
+	{
+		return NULL;
+	}
+
+	return getWearable(type, 0);
+}
+
+U32 LLWearableData::getWearableCount(const LLWearableType::EType type) const
+{
+	wearableentry_map_t::const_iterator wearable_iter = mWearableDatas.find(type);
+	if (wearable_iter == mWearableDatas.end())
+	{
+		return 0;
+	}
+	const wearableentry_vec_t& wearable_vec = wearable_iter->second;
+	return wearable_vec.size();
+}
+
+U32 LLWearableData::getWearableCount(const U32 tex_index) const
+{
+	const LLWearableType::EType wearable_type = LLAvatarAppearanceDictionary::getTEWearableType((LLAvatarAppearanceDefines::ETextureIndex)tex_index);
+	return getWearableCount(wearable_type);
+}
+
+LLUUID LLWearableData::computeBakedTextureHash(LLAvatarAppearanceDefines::EBakedTextureIndex baked_index,
+												 BOOL generate_valid_hash) // Set to false if you want to upload the baked texture w/o putting it in the cache
+{
+	LLUUID hash_id;
+	bool hash_computed = false;
+	LLMD5 hash;
+	const LLAvatarAppearanceDictionary::BakedEntry *baked_dict = LLAvatarAppearanceDictionary::getInstance()->getBakedTexture(baked_index);
+
+	for (U8 i=0; i < baked_dict->mWearables.size(); i++)
+	{
+		const LLWearableType::EType baked_type = baked_dict->mWearables[i];
+		const U32 num_wearables = getWearableCount(baked_type);
+		for (U32 index = 0; index < num_wearables; ++index)
+		{
+			const LLWearable* wearable = getWearable(baked_type,index);
+			if (wearable)
+			{
+				wearable->addToBakedTextureHash(hash);
+				hash_computed = true;
+			}
+		}
+	}
+	if (hash_computed)
+	{
+		hash.update((const unsigned char*)baked_dict->mWearablesHashID.mData, UUID_BYTES);
+
+		if (!generate_valid_hash)
+		{
+			invalidateBakedTextureHash(hash);
+		}
+		hash.finalize();
+		hash.raw_digest(hash_id.mData);
+	}
+
+	return hash_id;
+}
+
+
diff --git a/indra/llappearance/llwearabledata.h b/indra/llappearance/llwearabledata.h
new file mode 100644
index 0000000000..03bd179f25
--- /dev/null
+++ b/indra/llappearance/llwearabledata.h
@@ -0,0 +1,109 @@
+/** 
+ * @file llwearabledata.h
+ * @brief LLWearableData class header file
+ *
+ * $LicenseInfo:firstyear=2012&license=viewerlgpl$
+ * 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
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_WEARABLEDATA_H
+#define LL_WEARABLEDATA_H
+
+#include "llavatarappearancedefines.h"
+#include "llwearable.h"
+#include "llerror.h"
+
+class LLAvatarAppearance;
+
+class LLWearableData
+{
+	// *TODO: Figure out why this is causing compile error.
+	//LOG_CLASS(LLWearableData);
+
+	//--------------------------------------------------------------------
+	// Constructors / destructors / Initializers
+	//--------------------------------------------------------------------
+public:
+	LLWearableData();
+	virtual ~LLWearableData();
+
+	void setAvatarAppearance(LLAvatarAppearance* appearance) { mAvatarAppearance = appearance; }
+
+protected:
+	//--------------------------------------------------------------------
+	// Accessors
+	//--------------------------------------------------------------------
+public:
+	LLWearable*			getWearable(const LLWearableType::EType type, U32 index /*= 0*/); 
+	const LLWearable* 	getWearable(const LLWearableType::EType type, U32 index /*= 0*/) const;
+	LLWearable*			getTopWearable(const LLWearableType::EType type);
+	const LLWearable*	getTopWearable(const LLWearableType::EType type) const;
+	LLWearable*			getBottomWearable(const LLWearableType::EType type);
+	const LLWearable*	getBottomWearable(const LLWearableType::EType type) const;
+	U32				getWearableCount(const LLWearableType::EType type) const;
+	U32				getWearableCount(const U32 tex_index) const;
+	U32				getWearableIndex(const LLWearable *wearable) const;
+
+	BOOL			isOnTop(LLWearable* wearable) const;
+
+	static const U32 MAX_CLOTHING_PER_TYPE = 5; 
+
+	//--------------------------------------------------------------------
+	// Setters
+	//--------------------------------------------------------------------
+protected:
+	// Low-level data structure setter - public access is via setWearableItem, etc.
+	void 			setWearable(const LLWearableType::EType type, U32 index, LLWearable *wearable);
+	U32 			pushWearable(const LLWearableType::EType type, LLWearable *wearable, 
+								 bool trigger_updated = true);
+	virtual void	wearableUpdated(LLWearable *wearable, BOOL removed);
+	void 			popWearable(LLWearable *wearable);
+	void			popWearable(const LLWearableType::EType type, U32 index);
+	void			clearWearableType(const LLWearableType::EType type);
+	bool			swapWearables(const LLWearableType::EType type, U32 index_a, U32 index_b);
+
+private:
+	void			pullCrossWearableValues(const LLWearableType::EType type);
+
+	//--------------------------------------------------------------------
+	// Server Communication
+	//--------------------------------------------------------------------
+public:
+	LLUUID			computeBakedTextureHash(LLAvatarAppearanceDefines::EBakedTextureIndex baked_index,
+											BOOL generate_valid_hash = TRUE);
+protected:
+	virtual void	invalidateBakedTextureHash(LLMD5& hash) const {}
+
+	//--------------------------------------------------------------------
+	// Member variables
+	//--------------------------------------------------------------------
+protected:
+	LLAvatarAppearance* mAvatarAppearance;
+	typedef std::vector<LLWearable*> wearableentry_vec_t; // all wearables of a certain type (EG all shirts)
+	typedef std::map<LLWearableType::EType, wearableentry_vec_t> wearableentry_map_t;	// wearable "categories" arranged by wearable type
+	wearableentry_map_t mWearableDatas;
+
+};
+
+
+
+#endif // LL_WEARABLEDATA_H
+
diff --git a/indra/llappearance/llwearabletype.cpp b/indra/llappearance/llwearabletype.cpp
new file mode 100644
index 0000000000..618e2a1941
--- /dev/null
+++ b/indra/llappearance/llwearabletype.cpp
@@ -0,0 +1,171 @@
+/** 
+ * @file llwearabletype.cpp
+ * @brief LLWearableType class implementation
+ *
+ * $LicenseInfo:firstyear=2002&license=viewerlgpl$
+ * 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
+ * $/LicenseInfo$
+ */
+
+#include "linden_common.h"
+#include "llwearabletype.h"
+#include "llinventorytype.h"
+
+static LLTranslationBridge* sTrans = NULL;
+
+// static
+void LLWearableType::initClass(LLTranslationBridge* trans)
+{
+	sTrans = trans;
+}
+
+void LLWearableType::cleanupClass()
+{
+	delete sTrans;
+}
+
+struct WearableEntry : public LLDictionaryEntry
+{
+	WearableEntry(const std::string &name,
+				  const std::string& default_new_name,
+				  LLAssetType::EType assetType,
+				  LLInventoryType::EIconName iconName,
+				  BOOL disable_camera_switch = FALSE,
+				  BOOL allow_multiwear = TRUE) :
+		LLDictionaryEntry(name),
+		mAssetType(assetType),
+		mDefaultNewName(default_new_name),
+		mLabel(sTrans->getString(name)),
+		mIconName(iconName),
+		mDisableCameraSwitch(disable_camera_switch),
+		mAllowMultiwear(allow_multiwear)
+	{
+		
+	}
+	const LLAssetType::EType mAssetType;
+	const std::string mLabel;
+	const std::string mDefaultNewName; //keep mLabel for backward compatibility
+	LLInventoryType::EIconName mIconName;
+	BOOL mDisableCameraSwitch;
+	BOOL mAllowMultiwear;
+};
+
+class LLWearableDictionary : public LLSingleton<LLWearableDictionary>,
+							 public LLDictionary<LLWearableType::EType, WearableEntry>
+{
+public:
+	LLWearableDictionary();
+};
+
+LLWearableDictionary::LLWearableDictionary()
+{
+	addEntry(LLWearableType::WT_SHAPE,        new WearableEntry("shape",       "New Shape",			LLAssetType::AT_BODYPART, 	LLInventoryType::ICONNAME_BODYPART_SHAPE, FALSE, FALSE));
+	addEntry(LLWearableType::WT_SKIN,         new WearableEntry("skin",        "New Skin",			LLAssetType::AT_BODYPART, 	LLInventoryType::ICONNAME_BODYPART_SKIN, FALSE, FALSE));
+	addEntry(LLWearableType::WT_HAIR,         new WearableEntry("hair",        "New Hair",			LLAssetType::AT_BODYPART, 	LLInventoryType::ICONNAME_BODYPART_HAIR, FALSE, FALSE));
+	addEntry(LLWearableType::WT_EYES,         new WearableEntry("eyes",        "New Eyes",			LLAssetType::AT_BODYPART, 	LLInventoryType::ICONNAME_BODYPART_EYES, FALSE, FALSE));
+	addEntry(LLWearableType::WT_SHIRT,        new WearableEntry("shirt",       "New Shirt",			LLAssetType::AT_CLOTHING, 	LLInventoryType::ICONNAME_CLOTHING_SHIRT, FALSE, TRUE));
+	addEntry(LLWearableType::WT_PANTS,        new WearableEntry("pants",       "New Pants",			LLAssetType::AT_CLOTHING, 	LLInventoryType::ICONNAME_CLOTHING_PANTS, FALSE, TRUE));
+	addEntry(LLWearableType::WT_SHOES,        new WearableEntry("shoes",       "New Shoes",			LLAssetType::AT_CLOTHING, 	LLInventoryType::ICONNAME_CLOTHING_SHOES, FALSE, TRUE));
+	addEntry(LLWearableType::WT_SOCKS,        new WearableEntry("socks",       "New Socks",			LLAssetType::AT_CLOTHING, 	LLInventoryType::ICONNAME_CLOTHING_SOCKS, FALSE, TRUE));
+	addEntry(LLWearableType::WT_JACKET,       new WearableEntry("jacket",      "New Jacket",		LLAssetType::AT_CLOTHING, 	LLInventoryType::ICONNAME_CLOTHING_JACKET, FALSE, TRUE));
+	addEntry(LLWearableType::WT_GLOVES,       new WearableEntry("gloves",      "New Gloves",		LLAssetType::AT_CLOTHING, 	LLInventoryType::ICONNAME_CLOTHING_GLOVES, FALSE, TRUE));
+	addEntry(LLWearableType::WT_UNDERSHIRT,   new WearableEntry("undershirt",  "New Undershirt",	LLAssetType::AT_CLOTHING, 	LLInventoryType::ICONNAME_CLOTHING_UNDERSHIRT, FALSE, TRUE));
+	addEntry(LLWearableType::WT_UNDERPANTS,   new WearableEntry("underpants",  "New Underpants",	LLAssetType::AT_CLOTHING, 	LLInventoryType::ICONNAME_CLOTHING_UNDERPANTS, FALSE, TRUE));
+	addEntry(LLWearableType::WT_SKIRT,        new WearableEntry("skirt",       "New Skirt",			LLAssetType::AT_CLOTHING, 	LLInventoryType::ICONNAME_CLOTHING_SKIRT, FALSE, TRUE));
+	addEntry(LLWearableType::WT_ALPHA,        new WearableEntry("alpha",       "New Alpha",			LLAssetType::AT_CLOTHING, 	LLInventoryType::ICONNAME_CLOTHING_ALPHA, FALSE, TRUE));
+	addEntry(LLWearableType::WT_TATTOO,       new WearableEntry("tattoo",      "New Tattoo",		LLAssetType::AT_CLOTHING, 	LLInventoryType::ICONNAME_CLOTHING_TATTOO, FALSE, TRUE));
+
+	addEntry(LLWearableType::WT_PHYSICS,      new WearableEntry("physics",     "New Physics",		LLAssetType::AT_CLOTHING, 	LLInventoryType::ICONNAME_CLOTHING_PHYSICS, TRUE, TRUE));
+
+	addEntry(LLWearableType::WT_INVALID,      new WearableEntry("invalid",     "Invalid Wearable", 	LLAssetType::AT_NONE, 		LLInventoryType::ICONNAME_NONE, FALSE, FALSE));
+	addEntry(LLWearableType::WT_NONE,      	  new WearableEntry("none",        "Invalid Wearable", 	LLAssetType::AT_NONE, 		LLInventoryType::ICONNAME_NONE, FALSE, FALSE));
+}
+
+// static
+LLWearableType::EType LLWearableType::typeNameToType(const std::string& type_name)
+{
+	const LLWearableDictionary *dict = LLWearableDictionary::getInstance();
+	const LLWearableType::EType wearable = dict->lookup(type_name);
+	return wearable;
+}
+
+// static 
+const std::string& LLWearableType::getTypeName(LLWearableType::EType type)
+{ 
+	const LLWearableDictionary *dict = LLWearableDictionary::getInstance();
+	const WearableEntry *entry = dict->lookup(type);
+	if (!entry) return getTypeName(WT_INVALID);
+	return entry->mName;
+}
+
+//static 
+const std::string& LLWearableType::getTypeDefaultNewName(LLWearableType::EType type)
+{ 
+	const LLWearableDictionary *dict = LLWearableDictionary::getInstance();
+	const WearableEntry *entry = dict->lookup(type);
+	if (!entry) return getTypeDefaultNewName(WT_INVALID);
+	return entry->mDefaultNewName;
+}
+
+// static 
+const std::string& LLWearableType::getTypeLabel(LLWearableType::EType type)
+{ 
+	const LLWearableDictionary *dict = LLWearableDictionary::getInstance();
+	const WearableEntry *entry = dict->lookup(type);
+	if (!entry) return getTypeLabel(WT_INVALID);
+	return entry->mLabel;
+}
+
+// static 
+LLAssetType::EType LLWearableType::getAssetType(LLWearableType::EType type)
+{
+	const LLWearableDictionary *dict = LLWearableDictionary::getInstance();
+	const WearableEntry *entry = dict->lookup(type);
+	if (!entry) return getAssetType(WT_INVALID);
+	return entry->mAssetType;
+}
+
+// static 
+LLInventoryType::EIconName LLWearableType::getIconName(LLWearableType::EType type)
+{
+	const LLWearableDictionary *dict = LLWearableDictionary::getInstance();
+	const WearableEntry *entry = dict->lookup(type);
+	if (!entry) return getIconName(WT_INVALID);
+	return entry->mIconName;
+} 
+
+// static 
+BOOL LLWearableType::getDisableCameraSwitch(LLWearableType::EType type)
+{
+	const LLWearableDictionary *dict = LLWearableDictionary::getInstance();
+	const WearableEntry *entry = dict->lookup(type);
+	if (!entry) return FALSE;
+	return entry->mDisableCameraSwitch;
+}
+
+// static 
+BOOL LLWearableType::getAllowMultiwear(LLWearableType::EType type)
+{
+	const LLWearableDictionary *dict = LLWearableDictionary::getInstance();
+	const WearableEntry *entry = dict->lookup(type);
+	if (!entry) return FALSE;
+	return entry->mAllowMultiwear;
+}
+
diff --git a/indra/llappearance/llwearabletype.h b/indra/llappearance/llwearabletype.h
new file mode 100644
index 0000000000..e51e6731d3
--- /dev/null
+++ b/indra/llappearance/llwearabletype.h
@@ -0,0 +1,86 @@
+/** 
+ * @file llwearabletype.h
+ * @brief LLWearableType class header file
+ *
+ * $LicenseInfo:firstyear=2002&license=viewerlgpl$
+ * 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
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_LLWEARABLETYPE_H
+#define LL_LLWEARABLETYPE_H
+
+#include "llassettype.h"
+#include "lldictionary.h"
+#include "llinventorytype.h"
+#include "llsingleton.h"
+
+class LLTranslationBridge
+{
+public:
+	virtual std::string getString(const std::string &xml_desc) = 0;
+};
+
+
+class LLWearableType
+{
+public: 
+	enum EType
+	{
+		WT_SHAPE	  = 0,
+		WT_SKIN		  = 1,
+		WT_HAIR		  = 2,
+		WT_EYES		  = 3,
+		WT_SHIRT	  = 4,
+		WT_PANTS	  = 5,
+		WT_SHOES	  = 6,
+		WT_SOCKS	  = 7,
+		WT_JACKET	  = 8,
+		WT_GLOVES	  = 9,
+		WT_UNDERSHIRT = 10,
+		WT_UNDERPANTS = 11,
+		WT_SKIRT	  = 12,
+		WT_ALPHA	  = 13,
+		WT_TATTOO	  = 14,
+		WT_PHYSICS	  = 15,
+		WT_COUNT	  = 16,
+
+		WT_INVALID	  = 255,
+		WT_NONE		  = -1,
+	};
+
+	static void			initClass(LLTranslationBridge* trans); // initializes static members
+	static void			cleanupClass(); // initializes static members
+
+	static const std::string& 			getTypeName(EType type);
+	static const std::string& 			getTypeDefaultNewName(EType type);
+	static const std::string& 			getTypeLabel(EType type);
+	static LLAssetType::EType 			getAssetType(EType type);
+	static EType 						typeNameToType(const std::string& type_name);
+	static LLInventoryType::EIconName 	getIconName(EType type);
+	static BOOL 						getDisableCameraSwitch(EType type);
+	static BOOL 						getAllowMultiwear(EType type);
+
+protected:
+	LLWearableType() {}
+	~LLWearableType() {}
+};
+
+#endif  // LL_LLWEARABLETYPE_H