Merge

65 files changed, 822 insertions, 509 deletions

diff --git a/indra/cmake/00-Common.cmake b/indra/cmake/00-Common.cmake
index 452fd5f356..aa1d50b993 100644
--- a/indra/cmake/00-Common.cmake
+++ b/indra/cmake/00-Common.cmake
@@ -128,6 +128,17 @@ if (LINUX)
   # Let's actually get a numerical version of gxx's version
   STRING(REGEX REPLACE ".* ([0-9])\\.([0-9])\\.([0-9]).*" "\\1\\2\\3" CXX_VERSION_NUMBER ${CXX_VERSION})
 
+  # Hacks to work around gcc 4.1 TC build pool machines which can't process pragma warning disables
+  # This is pure rubbish; I wish there was another way.
+  #
+  if(${CXX_VERSION_NUMBER} LESS 420)
+    set(CMAKE_CXX_FLAGS "-Wno-deprecated -Wno-uninitialized -Wno-unused-variable -Wno-unused-function ${CMAKE_CXX_FLAGS}")
+  endif (${CXX_VERSION_NUMBER} LESS 420)
+
+  if(${CXX_VERSION_NUMBER} GREATER 459)
+    set(CMAKE_CXX_FLAGS "-Wno-deprecated -Wno-unused-but-set-variable -Wno-unused-variable ${CMAKE_CXX_FLAGS}")
+  endif (${CXX_VERSION_NUMBER} GREATER 459)
+
   # gcc 4.3 and above don't like the LL boost and also
   # cause warnings due to our use of deprecated headers
   if(${CXX_VERSION_NUMBER} GREATER 429)
@@ -218,7 +229,7 @@ if (LINUX OR DARWIN)
   set(GCC_WARNINGS "-Wall -Wno-sign-compare -Wno-trigraphs")
 
   if (NOT GCC_DISABLE_FATAL_WARNINGS)
-    set(GCC_WARNINGS "${GCC_WARNINGS} -Werror")
+#    set(GCC_WARNINGS "${GCC_WARNINGS} -Werror")
   endif (NOT GCC_DISABLE_FATAL_WARNINGS)
 
   set(GCC_CXX_WARNINGS "${GCC_WARNINGS} -Wno-reorder -Wno-non-virtual-dtor")
diff --git a/indra/cmake/Copy3rdPartyLibs.cmake b/indra/cmake/Copy3rdPartyLibs.cmake
index c32e357da3..1551b0e3f7 100644
--- a/indra/cmake/Copy3rdPartyLibs.cmake
+++ b/indra/cmake/Copy3rdPartyLibs.cmake
@@ -266,6 +266,7 @@ elseif(LINUX)
         libdb-5.1.so
         libexpat.so
         libexpat.so.1
+        libfreetype.so.6
         libglod.so
         libgmock_main.so
         libgmock.so.0
diff --git a/indra/cmake/FreeType.cmake b/indra/cmake/FreeType.cmake
index 43a9d282d0..c9a90a9a8d 100644
--- a/indra/cmake/FreeType.cmake
+++ b/indra/cmake/FreeType.cmake
@@ -7,13 +7,7 @@ if (STANDALONE)
   pkg_check_modules(FREETYPE REQUIRED freetype2)
 else (STANDALONE)
   use_prebuilt_binary(freetype)
-  if (LINUX)
-    set(FREETYPE_INCLUDE_DIRS
-        ${LIBS_PREBUILT_DIR}/include)
-  else (LINUX)
-    set(FREETYPE_INCLUDE_DIRS ${LIBS_PREBUILT_DIR}/include)
-  endif (LINUX)
-
+  set(FREETYPE_INCLUDE_DIRS ${LIBS_PREBUILT_DIR}/include)
   set(FREETYPE_LIBRARIES freetype)
 endif (STANDALONE)
 
diff --git a/indra/linux_crash_logger/CMakeLists.txt b/indra/linux_crash_logger/CMakeLists.txt
index 98ebdc7487..5263b59584 100644
--- a/indra/linux_crash_logger/CMakeLists.txt
+++ b/indra/linux_crash_logger/CMakeLists.txt
@@ -12,6 +12,7 @@ include(LLVFS)
 include(LLXML)
 include(Linking)
 include(UI)
+include(FreeType)
 
 include_directories(
     ${LLCOMMON_INCLUDE_DIRS}
@@ -53,6 +54,7 @@ target_link_libraries(linux-crash-logger
     ${LLCOMMON_LIBRARIES}
     ${UI_LIBRARIES}
     ${DB_LIBRARIES}
+    ${FREETYPE_LIBRARIES}
     )
 
 add_custom_target(linux-crash-logger-target ALL
diff --git a/indra/llcharacter/lleditingmotion.cpp b/indra/llcharacter/lleditingmotion.cpp
index 0d0b85ba60..35508e0a87 100644
--- a/indra/llcharacter/lleditingmotion.cpp
+++ b/indra/llcharacter/lleditingmotion.cpp
@@ -38,8 +38,6 @@
 // Constants
 //-----------------------------------------------------------------------------
 const LLQuaternion EDIT_MOTION_WRIST_ROTATION(F_PI_BY_TWO * 0.7f, LLVector3(1.0f, 0.0f, 0.0f));
-const F32 TARGET_LAG_HALF_LIFE	= 0.1f;		// half-life of IK targeting
-const F32 TORSO_LAG_HALF_LIFE = 0.2f;
 const F32 MAX_TIME_DELTA = 2.f; //max two seconds a frame for calculating interpolation
 
 S32 LLEditingMotion::sHandPose = LLHandMotion::HAND_POSE_RELAXED_R;
@@ -232,7 +230,7 @@ BOOL LLEditingMotion::onUpdate(F32 time, U8* joint_mask)
 		mIKSolver.solve();
 
 		// use blending...
-		F32 slerp_amt = LLCriticalDamp::getInterpolant(TARGET_LAG_HALF_LIFE);
+		F32 slerp_amt = LLCriticalDamp::getInterpolant(InterpDeltaTargetLagHalfLife);
 		shoulderRot = slerp(slerp_amt, mShoulderJoint.getRotation(), shoulderRot);
 		elbowRot = slerp(slerp_amt, mElbowJoint.getRotation(), elbowRot);
 
@@ -258,3 +256,4 @@ void LLEditingMotion::onDeactivate()
 
 
 // End
+
diff --git a/indra/llcharacter/llheadrotmotion.cpp b/indra/llcharacter/llheadrotmotion.cpp
index 15a58a8389..1eddd0f449 100644
--- a/indra/llcharacter/llheadrotmotion.cpp
+++ b/indra/llcharacter/llheadrotmotion.cpp
@@ -182,8 +182,8 @@ BOOL LLHeadRotMotion::onUpdate(F32 time, U8* joint_mask)
 	LLQuaternion	currentRootRotWorld = mRootJoint->getWorldRotation();
 	LLQuaternion	currentInvRootRotWorld = ~currentRootRotWorld;
 
-	F32 head_slerp_amt = LLCriticalDamp::getInterpolant(HEAD_LOOKAT_LAG_HALF_LIFE);
-	F32 torso_slerp_amt = LLCriticalDamp::getInterpolant(TORSO_LOOKAT_LAG_HALF_LIFE);
+	F32 head_slerp_amt = LLCriticalDamp::getInterpolant(InterpDeltaHeadLookAtLagHalfLife);
+	F32 torso_slerp_amt = LLCriticalDamp::getInterpolant(InterpDeltaTorsoLookAtLagHalfLife);
 
 	LLVector3* targetPos = (LLVector3*)mCharacter->getAnimationData("LookAtPoint");
 
@@ -530,3 +530,4 @@ void LLEyeMotion::onDeactivate()
 }
 
 // End
+
diff --git a/indra/llcharacter/llkeyframemotion.cpp b/indra/llcharacter/llkeyframemotion.cpp
index c6f45bffa2..f394cf2635 100644
--- a/indra/llcharacter/llkeyframemotion.cpp
+++ b/indra/llcharacter/llkeyframemotion.cpp
@@ -1031,11 +1031,11 @@ void LLKeyframeMotion::applyConstraint(JointConstraint* constraint, F32 time, U8
 	if (constraint->mSharedData->mChainLength != 0 &&
 		dist_vec_squared(root_pos, target_pos) * 0.95f > constraint->mTotalLength * constraint->mTotalLength)
 	{
-		constraint->mWeight = lerp(constraint->mWeight, 0.f, LLCriticalDamp::getInterpolant(0.1f));
+		constraint->mWeight = lerp(constraint->mWeight, 0.f, LLCriticalDamp::getInterpolant(InterpDeltaSmaller));
 	}
 	else
 	{
-		constraint->mWeight = lerp(constraint->mWeight, 1.f, LLCriticalDamp::getInterpolant(0.3f));
+		constraint->mWeight = lerp(constraint->mWeight, 1.f, LLCriticalDamp::getInterpolant(InterpDeltaSmallish));
 	}
 
 	F32 weight = constraint->mWeight * ((shared_data->mEaseOutStopTime == 0.f) ? 1.f : 
@@ -1084,7 +1084,7 @@ void LLKeyframeMotion::applyConstraint(JointConstraint* constraint, F32 time, U8
 			F32 time_constant = 1.f / clamp_rescale(constraint->mFixupDistanceRMS, 0.f, 0.5f, 0.2f, 8.f);
 //			llinfos << "Interpolant " << LLCriticalDamp::getInterpolant(time_constant, FALSE) << " and fixup distance " << constraint->mFixupDistanceRMS << " on " << mCharacter->findCollisionVolume(shared_data->mSourceConstraintVolume)->getName() << llendl;
 			positions[joint_num] = lerp(positions[joint_num], kinematic_position, 
-				LLCriticalDamp::getInterpolant(time_constant, FALSE));
+				LLCriticalDamp::getInterpolant(time_constant));
 		}
 
 		S32 iteration_count;
@@ -2304,3 +2304,4 @@ LLKeyframeMotion::JointConstraint::~JointConstraint()
 }
 
 // End
+
diff --git a/indra/llcharacter/llkeyframewalkmotion.cpp b/indra/llcharacter/llkeyframewalkmotion.cpp
index d52eb89a5c..d17c123e54 100644
--- a/indra/llcharacter/llkeyframewalkmotion.cpp
+++ b/indra/llcharacter/llkeyframewalkmotion.cpp
@@ -287,7 +287,7 @@ BOOL LLWalkAdjustMotion::onUpdate(F32 time, U8* joint_mask)
 		F32 desired_speed_multiplier = llclamp(speed / foot_speed, min_speed_multiplier, ANIM_SPEED_MAX);
 
 		// blend towards new speed adjustment value
-		F32 new_speed_adjust = lerp(mAdjustedSpeed, desired_speed_multiplier, LLCriticalDamp::getInterpolant(SPEED_ADJUST_TIME_CONSTANT));
+		F32 new_speed_adjust = lerp(mAdjustedSpeed, desired_speed_multiplier, LLCriticalDamp::getInterpolant(InterpDeltaSpeedAdjustTime));
 
 		// limit that rate at which the speed adjustment changes
 		F32 speedDelta = llclamp(new_speed_adjust - mAdjustedSpeed, -SPEED_ADJUST_MAX_SEC * delta_time, SPEED_ADJUST_MAX_SEC * delta_time);
@@ -305,8 +305,8 @@ BOOL LLWalkAdjustMotion::onUpdate(F32 time, U8* joint_mask)
 	{	// standing/turning
 
 		// damp out speed adjustment to 0
-		mAnimSpeed = lerp(mAnimSpeed, 1.f, LLCriticalDamp::getInterpolant(0.2f));
-		//mPelvisOffset = lerp(mPelvisOffset, LLVector3::zero, LLCriticalDamp::getInterpolant(0.2f));
+		mAnimSpeed = lerp(mAnimSpeed, 1.f, LLCriticalDamp::getInterpolant(InterpDeltaSmall));
+		//mPelvisOffset = lerp(mPelvisOffset, LLVector3::zero, LLCriticalDamp::getInterpolant(InterpDeltaSmall));
 	}
 
 	// broadcast walk speed change
@@ -383,10 +383,11 @@ BOOL LLFlyAdjustMotion::onUpdate(F32 time, U8* joint_mask)
 	F32 target_roll = llclamp(ang_vel.mV[VZ], -4.f, 4.f) * roll_factor;
 
 	// roll is critically damped interpolation between current roll and angular velocity-derived target roll
-	mRoll = lerp(mRoll, target_roll, LLCriticalDamp::getInterpolant(0.1f));
+	mRoll = lerp(mRoll, target_roll, LLCriticalDamp::getInterpolant(InterpDeltaSmaller));
 
 	LLQuaternion roll(mRoll, LLVector3(0.f, 0.f, 1.f));
 	mPelvisState->setRotation(roll);
 
 	return TRUE;
 }
+
diff --git a/indra/llcharacter/llmotion.cpp b/indra/llcharacter/llmotion.cpp
index 2551f125d0..d4db0d84c9 100644
--- a/indra/llcharacter/llmotion.cpp
+++ b/indra/llcharacter/llmotion.cpp
@@ -73,7 +73,7 @@ void LLMotion::fadeOut()
 {
 	if (mFadeWeight > 0.01f)
 	{
-		mFadeWeight = lerp(mFadeWeight, 0.f, LLCriticalDamp::getInterpolant(0.15f));
+		mFadeWeight = lerp(mFadeWeight, 0.f, LLCriticalDamp::getInterpolant(InterpDeltaFadeWeight));
 	}
 	else
 	{
@@ -88,7 +88,7 @@ void LLMotion::fadeIn()
 {
 	if (mFadeWeight < 0.99f)
 	{
-		mFadeWeight = lerp(mFadeWeight, 1.f, LLCriticalDamp::getInterpolant(0.15f));
+		mFadeWeight = lerp(mFadeWeight, 1.f, LLCriticalDamp::getInterpolant(InterpDeltaFadeWeight));
 	}
 	else
 	{
@@ -169,3 +169,4 @@ BOOL LLMotion::canDeprecate()
 }
 
 // End
+
diff --git a/indra/llcharacter/lltargetingmotion.cpp b/indra/llcharacter/lltargetingmotion.cpp
index 489aef923c..6ce6ce31d6 100644
--- a/indra/llcharacter/lltargetingmotion.cpp
+++ b/indra/llcharacter/lltargetingmotion.cpp
@@ -106,7 +106,7 @@ BOOL LLTargetingMotion::onActivate()
 //-----------------------------------------------------------------------------
 BOOL LLTargetingMotion::onUpdate(F32 time, U8* joint_mask)
 {
-	F32 slerp_amt = LLCriticalDamp::getInterpolant(TORSO_TARGET_HALF_LIFE);
+	F32 slerp_amt = LLCriticalDamp::getInterpolant(InterpDeltaTorsoTargetLagHalfLife);
 
 	LLVector3 target;
 	LLVector3* lookAtPoint = (LLVector3*)mCharacter->getAnimationData("LookAtPoint");
@@ -169,3 +169,4 @@ void LLTargetingMotion::onDeactivate()
 
 
 // End
+
diff --git a/indra/llcommon/CMakeLists.txt b/indra/llcommon/CMakeLists.txt
index e019c17280..0c2ceebb52 100644
--- a/indra/llcommon/CMakeLists.txt
+++ b/indra/llcommon/CMakeLists.txt
@@ -121,6 +121,7 @@ set(llcommon_HEADER_FILES
     linden_common.h
     linked_lists.h
     llaccountingcost.h
+    llalignedarray.h
     llallocator.h
     llallocator_heap_profile.h
     llagentconstants.h
diff --git a/indra/llcommon/llalignedarray.h b/indra/llcommon/llalignedarray.h
new file mode 100644
index 0000000000..ed8fd31205
--- /dev/null
+++ b/indra/llcommon/llalignedarray.h
@@ -0,0 +1,139 @@
+/** 
+ * @file llalignedarray.h
+ * @brief A static array which obeys alignment restrictions and mimics std::vector accessors.
+ *
+ * $LicenseInfo:firstyear=2002&license=viewerlgpl$
+ * 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_LLALIGNEDARRAY_H
+#define LL_LLALIGNEDARRAY_H
+
+#include "llmemory.h"
+
+template <class T, U32 alignment>
+class LLAlignedArray
+{
+public:
+	T* mArray;
+	U32 mElementCount;
+	U32 mCapacity;
+
+	LLAlignedArray();
+	~LLAlignedArray();
+
+	void push_back(const T& elem);
+	U32 size() const { return mElementCount; }
+	void resize(U32 size);
+	T* append(S32 N);
+	T& operator[](int idx);
+	const T& operator[](int idx) const;
+};
+
+template <class T, U32 alignment>
+LLAlignedArray<T, alignment>::LLAlignedArray()
+{
+	llassert(alignment >= 16);
+	mArray = NULL;
+	mElementCount = 0;
+	mCapacity = 0;
+}
+
+template <class T, U32 alignment>
+LLAlignedArray<T, alignment>::~LLAlignedArray()
+{
+	ll_aligned_free(mArray);
+	mArray = NULL;
+	mElementCount = 0;
+	mCapacity = 0;
+}
+
+template <class T, U32 alignment>
+void LLAlignedArray<T, alignment>::push_back(const T& elem)
+{
+	T* old_buf = NULL;
+	if (mCapacity <= mElementCount)
+	{
+		mCapacity++;
+		mCapacity *= 2;
+		T* new_buf = (T*) ll_aligned_malloc(mCapacity*sizeof(T), alignment);
+		if (mArray)
+		{
+			ll_memcpy_nonaliased_aligned_16((char*)new_buf, (char*)mArray, sizeof(T)*mElementCount);
+		}
+		old_buf = mArray;
+		mArray = new_buf;
+	}
+
+	mArray[mElementCount++] = elem;
+
+	//delete old array here to prevent error on a.push_back(a[0])
+	ll_aligned_free(old_buf);
+}
+
+template <class T, U32 alignment>
+void LLAlignedArray<T, alignment>::resize(U32 size)
+{
+	if (mCapacity < size)
+	{
+		mCapacity = size+mCapacity*2;
+		T* new_buf = mCapacity > 0 ? (T*) ll_aligned_malloc(mCapacity*sizeof(T), alignment) : NULL;
+		if (mArray)
+		{
+			ll_memcpy_nonaliased_aligned_16((char*) new_buf, (char*) mArray, sizeof(T)*mElementCount);
+			ll_aligned_free(mArray);
+		}
+
+		/*for (U32 i = mElementCount; i < mCapacity; ++i)
+		{
+			new(new_buf+i) T();
+		}*/
+		mArray = new_buf;
+	}
+
+	mElementCount = size;
+}
+
+
+template <class T, U32 alignment>
+T& LLAlignedArray<T, alignment>::operator[](int idx)
+{
+	llassert(idx < mElementCount);
+	return mArray[idx];
+}
+
+template <class T, U32 alignment>
+const T& LLAlignedArray<T, alignment>::operator[](int idx) const
+{
+	llassert(idx < mElementCount);
+	return mArray[idx];
+}
+
+template <class T, U32 alignment>
+T* LLAlignedArray<T, alignment>::append(S32 N)
+{
+	U32 sz = size();
+	resize(sz+N);
+	return &((*this)[sz]);
+}
+
+#endif
+
diff --git a/indra/llcommon/llapp.h b/indra/llcommon/llapp.h
index a536a06ea5..afa06df23e 100644
--- a/indra/llcommon/llapp.h
+++ b/indra/llcommon/llapp.h
@@ -38,7 +38,7 @@ typedef LLAtomic32<U32> LLAtomicU32;
 class LLErrorThread;
 class LLLiveFile;
 #if LL_LINUX
-typedef struct siginfo siginfo_t;
+#include <signal.h>
 #endif
 
 typedef void (*LLAppErrorHandler)();
diff --git a/indra/llcommon/llcriticaldamp.cpp b/indra/llcommon/llcriticaldamp.cpp
index 87d79b1ee0..27fef0e6dc 100644
--- a/indra/llcommon/llcriticaldamp.cpp
+++ b/indra/llcommon/llcriticaldamp.cpp
@@ -32,8 +32,9 @@
 // static members
 //-----------------------------------------------------------------------------
 LLFrameTimer LLCriticalDamp::sInternalTimer;
-std::map<F32, F32> LLCriticalDamp::sInterpolants;
 F32 LLCriticalDamp::sTimeDelta;
+F32	LLCriticalDamp::sInterpolants[kNumCachedInterpolants];
+F32 LLCriticalDamp::sInterpolatedValues[kNumCachedInterpolants];
 
 //-----------------------------------------------------------------------------
 // LLCriticalDamp()
@@ -41,6 +42,17 @@ F32 LLCriticalDamp::sTimeDelta;
 LLCriticalDamp::LLCriticalDamp()
 {
 	sTimeDelta = 0.f;
+
+	// Init the core interpolant values (to which many, many enums map)
+	//
+	setInterpolantConstant(InterpDelta_0_025, 0.025f);
+	setInterpolantConstant(InterpDelta_0_05,  0.05f );
+	setInterpolantConstant(InterpDelta_0_06,  0.06f);
+	setInterpolantConstant(InterpDelta_0_10,  0.10f);
+	setInterpolantConstant(InterpDelta_0_15,  0.15f);
+	setInterpolantConstant(InterpDelta_0_20,  0.20f);
+	setInterpolantConstant(InterpDelta_0_25,  0.25f);
+	setInterpolantConstant(InterpDelta_0_30,  0.30f);
 }
 
 // static
@@ -51,39 +63,10 @@ void LLCriticalDamp::updateInterpolants()
 {
 	sTimeDelta = sInternalTimer.getElapsedTimeAndResetF32();
 
-	F32 time_constant;
-
-	for (std::map<F32, F32>::iterator iter = sInterpolants.begin();
-		 iter != sInterpolants.end(); iter++)
-	{
-		time_constant = iter->first;
-		F32 new_interpolant = 1.f - pow(2.f, -sTimeDelta / time_constant);
-		new_interpolant = llclamp(new_interpolant, 0.f, 1.f);
-		sInterpolants[time_constant] = new_interpolant;
-	}
-} 
-
-//-----------------------------------------------------------------------------
-// getInterpolant()
-//-----------------------------------------------------------------------------
-F32 LLCriticalDamp::getInterpolant(const F32 time_constant, BOOL use_cache)
-{
-	if (time_constant == 0.f)
+	U32 i;
+	for (i = 0; i < kNumCachedInterpolants; i++)
 	{
-		return 1.f;
+		sInterpolatedValues[i] = llclamp(sTimeDelta / sInterpolants[ i], 0.0f, 1.0f);
 	}
-
-	if (use_cache && sInterpolants.count(time_constant))
-	{
-		return sInterpolants[time_constant];
-	}
-	
-	F32 interpolant = 1.f - pow(2.f, -sTimeDelta / time_constant);
-	interpolant = llclamp(interpolant, 0.f, 1.f);
-	if (use_cache)
-	{
-		sInterpolants[time_constant] = interpolant;
-	}
-
-	return interpolant;
 }
+
diff --git a/indra/llcommon/llcriticaldamp.h b/indra/llcommon/llcriticaldamp.h
index 52f052ae25..19a2ddb77a 100644
--- a/indra/llcommon/llcriticaldamp.h
+++ b/indra/llcommon/llcriticaldamp.h
@@ -32,22 +32,98 @@
 
 #include "llframetimer.h"
 
+// These enums each represent one fixed-time delta value
+// that we interpolate once given the actual sTimeDelta time
+// that has passed. This allows us to calculate the interp portion
+// of those values once and then look them up repeatedly per frame.
+//
+enum InterpDelta
+{	
+	InterpDelta_0_025,		// 0.025
+	InterpDeltaTeenier					= InterpDelta_0_025,
+	InterpDeltaFolderOpenTime			= InterpDelta_0_025,
+	InterpDeltaFolderCloseTime			= InterpDelta_0_025,
+	InterpDeltaCameraFocusHalfLife		= InterpDelta_0_025,	// USED TO BE ZERO....
+
+	InterpDelta_0_05,		// 0.05
+	InterpDeltaTeeny		= InterpDelta_0_05,
+
+	InterpDelta_0_06,		// 0.06
+	InterpDeltaObjectDampingConstant	= InterpDelta_0_06,	
+	InterpDeltaCameraZoomHalfLife		= InterpDelta_0_06,
+	InterpDeltaFovZoomHalfLife			= InterpDelta_0_06,
+	InterpDeltaManipulatorScaleHalfLife	= InterpDelta_0_06,
+	InterpDeltaContextFadeTime			= InterpDelta_0_06,
+
+	InterpDelta_0_10,		// 0.10
+	InterpDeltaSmaller					= InterpDelta_0_10,
+	InterpDeltaTargetLagHalfLife		= InterpDelta_0_10,
+	InterpDeltaSpeedAdjustTime			= InterpDelta_0_10,
+
+	InterpDelta_0_15,		// 0.15
+	InterpDeltaFadeWeight				= InterpDelta_0_15,
+	InterpDeltaHeadLookAtLagHalfLife	= InterpDelta_0_15,
+
+	InterpDelta_0_20,		// 0.20
+	InterpDeltaSmall					= InterpDelta_0_20,
+	InterpDeltaTorsoLagHalfLife			= InterpDelta_0_20,
+	InterpDeltaPositionDampingTC		= InterpDelta_0_20,
+
+	InterpDelta_0_25,		// 0.25
+	InterpDeltaCameraLagHalfLife		= InterpDelta_0_25,
+	InterpDeltaTorsoTargetLagHalfLife	= InterpDelta_0_25,
+	InterpDeltaTorsoLookAtLagHalfLife	= InterpDelta_0_25,
+
+	InterpDelta_0_30,		// 0.3
+	InterpDeltaSmallish		= InterpDelta_0_30,
+
+	// Dynamically set interpolants which use setInterpolantConstant
+	//
+	InterpDeltaCameraSmoothingHalfLife,	
+	InterpDeltaBehindnessLag,
+	InterpDeltaFocusLag,
+	InterpDeltaPositionLag,
+	InterpDeltaOpenTime,
+	InterpDeltaCloseTime,		
+
+	kNumCachedInterpolants
+};
+
 class LL_COMMON_API LLCriticalDamp 
 {
 public:
 	LLCriticalDamp();
 
-	// MANIPULATORS
+	// Updates all the known interp delta values for fast lookup in calls to getInterpolant(InterpDelta)
+	//
 	static void updateInterpolants();
 
+	static inline void setInterpolantConstant(InterpDelta whichDelta, const F32 time_constant)
+	{
+		llassert(whichDelta < kNumCachedInterpolants);
+		sInterpolants[whichDelta] = time_constant;
+	}
+
 	// ACCESSORS
-	static F32 getInterpolant(const F32 time_constant, BOOL use_cache = TRUE);
+	static inline F32 getInterpolant(InterpDelta whichDelta)
+	{
+		llassert(whichDelta < kNumCachedInterpolants);
+		return sInterpolatedValues[whichDelta];
+	}
+
+	static inline F32 getInterpolant(const F32 time_constant)
+	{
+		return llclamp((sTimeDelta / time_constant), 0.0f, 1.0f);
+	}
 
 protected:	
 	static LLFrameTimer sInternalTimer;	// frame timer for calculating deltas
 
-	static std::map<F32, F32> 	sInterpolants;
+	//static std::map<F32, F32> 	sInterpolants;
+	static F32					sInterpolants[kNumCachedInterpolants];
+	static F32					sInterpolatedValues[kNumCachedInterpolants];
 	static F32					sTimeDelta;
 };
 
 #endif  // LL_LLCRITICALDAMP_H
+
diff --git a/indra/llcommon/llinstancetracker.cpp b/indra/llcommon/llinstancetracker.cpp
index 0804be358f..65ef4322f6 100644
--- a/indra/llcommon/llinstancetracker.cpp
+++ b/indra/llcommon/llinstancetracker.cpp
@@ -42,4 +42,5 @@ void * & LLInstanceTrackerBase::getInstances(InstanceTrackType t)
 	// key DOES exist, insert() simply returns (iterator, false). One lookup
 	// handles both cases.
 	return sInstanceTrackerData[t];
-}
\ No newline at end of file
+}
+
diff --git a/indra/llcommon/llmemory.h b/indra/llcommon/llmemory.h
index 46cabfadcd..d0e4bc9e25 100644
--- a/indra/llcommon/llmemory.h
+++ b/indra/llcommon/llmemory.h
@@ -36,6 +36,44 @@ class LLMutex ;
 #define LL_CHECK_MEMORY
 #endif
 
+LL_COMMON_API void ll_assert_aligned_func(uintptr_t ptr,U32 alignment);
+
+#ifdef SHOW_ASSERT
+#define ll_assert_aligned(ptr,alignment) ll_assert_aligned_func(reinterpret_cast<uintptr_t>(ptr),((U32)alignment))
+#else
+#define ll_assert_aligned(ptr,alignment)
+#endif
+
+#include <xmmintrin.h>
+
+template <typename T> T* LL_NEXT_ALIGNED_ADDRESS(T* address) 
+{ 
+	return reinterpret_cast<T*>(
+		(reinterpret_cast<uintptr_t>(address) + 0xF) & ~0xF);
+}
+
+template <typename T> T* LL_NEXT_ALIGNED_ADDRESS_64(T* address) 
+{ 
+	return reinterpret_cast<T*>(
+		(reinterpret_cast<uintptr_t>(address) + 0x3F) & ~0x3F);
+}
+
+#if LL_LINUX || LL_DARWIN
+
+#define			LL_ALIGN_PREFIX(x)
+#define			LL_ALIGN_POSTFIX(x)		__attribute__((aligned(x)))
+
+#elif LL_WINDOWS
+
+#define			LL_ALIGN_PREFIX(x)		__declspec(align(x))
+#define			LL_ALIGN_POSTFIX(x)
+
+#else
+#error "LL_ALIGN_PREFIX and LL_ALIGN_POSTFIX undefined"
+#endif
+
+#define LL_ALIGN_16(var) LL_ALIGN_PREFIX(16) var LL_ALIGN_POSTFIX(16)
+
 inline void* ll_aligned_malloc( size_t size, int align )
 {
 #if defined(LL_WINDOWS)
@@ -144,6 +182,78 @@ inline void ll_aligned_free_32(void *p)
 #endif
 }
 
+
+// Copy words 16-byte blocks from src to dst. Source and destination MUST NOT OVERLAP. 
+// Source and dest must be 16-byte aligned and size must be multiple of 16.
+//
+inline void ll_memcpy_nonaliased_aligned_16(char* __restrict dst, const char* __restrict src, size_t bytes)
+{
+	llassert(src != NULL);
+	llassert(dst != NULL);
+	llassert(bytes >= 16);
+	llassert((bytes % sizeof(F32))== 0); 
+	llassert((src < dst) ? ((src + bytes) < dst) : ((dst + bytes) < src));
+	llassert(bytes%16==0);
+	ll_assert_aligned(src,16);
+	ll_assert_aligned(dst,16);
+
+	char* end = dst + bytes;
+
+	if (bytes > 64)
+	{
+
+		// Find start of 64b aligned area within block
+		//
+		void* begin_64 = LL_NEXT_ALIGNED_ADDRESS_64(dst);
+		
+		//at least 64 bytes before the end of the destination, switch to 16 byte copies
+		void* end_64 = end-64;
+	
+		// Prefetch the head of the 64b area now
+		//
+		_mm_prefetch((char*)begin_64, _MM_HINT_NTA);
+		_mm_prefetch((char*)begin_64 + 64, _MM_HINT_NTA);
+		_mm_prefetch((char*)begin_64 + 128, _MM_HINT_NTA);
+		_mm_prefetch((char*)begin_64 + 192, _MM_HINT_NTA);
+	
+		// Copy 16b chunks until we're 64b aligned
+		//
+		while (dst < begin_64)
+		{
+
+			_mm_store_ps((F32*)dst, _mm_load_ps((F32*)src));
+			dst += 16;
+			src += 16;
+		}
+	
+		// Copy 64b chunks up to your tail
+		//
+		// might be good to shmoo the 512b prefetch offset
+		// (characterize performance for various values)
+		//
+		while (dst < end_64)
+		{
+			_mm_prefetch((char*)src + 512, _MM_HINT_NTA);
+			_mm_prefetch((char*)dst + 512, _MM_HINT_NTA);
+			_mm_store_ps((F32*)dst, _mm_load_ps((F32*)src));
+			_mm_store_ps((F32*)(dst + 16), _mm_load_ps((F32*)(src + 16)));
+			_mm_store_ps((F32*)(dst + 32), _mm_load_ps((F32*)(src + 32)));
+			_mm_store_ps((F32*)(dst + 48), _mm_load_ps((F32*)(src + 48)));
+			dst += 64;
+			src += 64;
+		}
+	}
+
+	// Copy remainder 16b tail chunks (or ALL 16b chunks for sub-64b copies)
+	//
+	while (dst < end)
+	{
+		_mm_store_ps((F32*)dst, _mm_load_ps((F32*)src));
+		dst += 16;
+		src += 16;
+	}
+}
+
 #ifndef __DEBUG_PRIVATE_MEM__
 #define __DEBUG_PRIVATE_MEM__  0
 #endif
@@ -552,13 +662,7 @@ void  LLPrivateMemoryPoolTester::operator delete[](void* addr)
 
 // LLSingleton moved to llsingleton.h
 
-LL_COMMON_API void ll_assert_aligned_func(uintptr_t ptr,U32 alignment);
 
-#ifdef SHOW_ASSERT
-#define ll_assert_aligned(ptr,alignment) ll_assert_aligned_func(reinterpret_cast<uintptr_t>(ptr),((U32)alignment))
-#else
-#define ll_assert_aligned(ptr,alignment)
-#endif
 
 
 #endif
diff --git a/indra/llcommon/llstaticstringtable.h b/indra/llcommon/llstaticstringtable.h
index 05b0848e30..d7e0e8a08d 100644
--- a/indra/llcommon/llstaticstringtable.h
+++ b/indra/llcommon/llstaticstringtable.h
@@ -1,81 +1,82 @@
-/** 

- * @file llstringtable.h

- * @brief The LLStringTable class provides a _fast_ method for finding

- * unique copies of strings.

- *

- * $LicenseInfo:firstyear=2001&license=viewerlgpl$

- * 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_STATIC_STRING_TABLE_H

-#define LL_STATIC_STRING_TABLE_H

-

-#include "lldefs.h"

-#include <boost/unordered_map.hpp>

-#include "llstl.h"

-

-class LLStaticHashedString

-{

-public:

-

-	LLStaticHashedString(const std::string& s)

-	{

-		string_hash = makehash(s);

-		string		= s;

-	}

-

-	const std::string&	String() const { return string;		}

-	size_t				Hash()	 const { return string_hash;  }

-

-	bool operator==(const LLStaticHashedString& b) const { return Hash() == b.Hash(); }

-

-protected:

-

-	size_t makehash(const std::string& s)

-	{

-		size_t len = s.size();

-		const char* c = s.c_str();

-		size_t hashval = 0;

-		for (size_t i=0; i<len; i++)

-		{

-			hashval = ((hashval<<5) + hashval) + *c++;

-		}

-		return hashval;

-	}

-

-	std::string string;

-	size_t		string_hash;

-};

-

-struct LLStaticStringHasher

-{

-	enum { bucket_size = 8 };

-	size_t operator()(const LLStaticHashedString& key_value) const { return key_value.Hash(); }

-	bool operator()(const LLStaticHashedString& left, const LLStaticHashedString& right) const { return left.Hash() < right.Hash(); }

-};

-

-template< typename MappedObject >

-class LL_COMMON_API LLStaticStringTable

-	: public boost::unordered_map< LLStaticHashedString, MappedObject, LLStaticStringHasher >

-{

-};

-

-#endif
\ No newline at end of file
+/** 
+ * @file llstringtable.h
+ * @brief The LLStringTable class provides a _fast_ method for finding
+ * unique copies of strings.
+ *
+ * $LicenseInfo:firstyear=2001&license=viewerlgpl$
+ * 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_STATIC_STRING_TABLE_H
+#define LL_STATIC_STRING_TABLE_H
+
+#include "lldefs.h"
+#include <boost/unordered_map.hpp>
+#include "llstl.h"
+
+class LLStaticHashedString
+{
+public:
+
+	LLStaticHashedString(const std::string& s)
+	{
+		string_hash = makehash(s);
+		string		= s;
+	}
+
+	const std::string&	String() const { return string;		}
+	size_t				Hash()	 const { return string_hash;  }
+
+	bool operator==(const LLStaticHashedString& b) const { return Hash() == b.Hash(); }
+
+protected:
+
+	size_t makehash(const std::string& s)
+	{
+		size_t len = s.size();
+		const char* c = s.c_str();
+		size_t hashval = 0;
+		for (size_t i=0; i<len; i++)
+		{
+			hashval = ((hashval<<5) + hashval) + *c++;
+		}
+		return hashval;
+	}
+
+	std::string string;
+	size_t		string_hash;
+};
+
+struct LLStaticStringHasher
+{
+	enum { bucket_size = 8 };
+	size_t operator()(const LLStaticHashedString& key_value) const { return key_value.Hash(); }
+	bool   operator()(const LLStaticHashedString& left, const LLStaticHashedString& right) const { return left.Hash() < right.Hash(); }
+};
+
+template< typename MappedObject >
+class LL_COMMON_API LLStaticStringTable
+	: public boost::unordered_map< LLStaticHashedString, MappedObject, LLStaticStringHasher >
+{
+};
+
+#endif
+
diff --git a/indra/llmath/llsimdmath.h b/indra/llmath/llsimdmath.h
index 01458521ec..cebd2ace7d 100644
--- a/indra/llmath/llsimdmath.h
+++ b/indra/llmath/llsimdmath.h
@@ -39,34 +39,6 @@
 #include <stdint.h>
 #endif
 
-template <typename T> T* LL_NEXT_ALIGNED_ADDRESS(T* address) 
-{ 
-	return reinterpret_cast<T*>(
-		(reinterpret_cast<uintptr_t>(address) + 0xF) & ~0xF);
-}
-
-template <typename T> T* LL_NEXT_ALIGNED_ADDRESS_64(T* address) 
-{ 
-	return reinterpret_cast<T*>(
-		(reinterpret_cast<uintptr_t>(address) + 0x3F) & ~0x3F);
-}
-
-#if LL_LINUX || LL_DARWIN
-
-#define			LL_ALIGN_PREFIX(x)
-#define			LL_ALIGN_POSTFIX(x)		__attribute__((aligned(x)))
-
-#elif LL_WINDOWS
-
-#define			LL_ALIGN_PREFIX(x)		__declspec(align(x))
-#define			LL_ALIGN_POSTFIX(x)
-
-#else
-#error "LL_ALIGN_PREFIX and LL_ALIGN_POSTFIX undefined"
-#endif
-
-#define LL_ALIGN_16(var) LL_ALIGN_PREFIX(16) var LL_ALIGN_POSTFIX(16)
-
 #include <xmmintrin.h>
 #include <emmintrin.h>
 
diff --git a/indra/llmath/llvector4a.cpp b/indra/llmath/llvector4a.cpp
index 6edeb0fefe..570fa41a43 100644
--- a/indra/llmath/llvector4a.cpp
+++ b/indra/llmath/llvector4a.cpp
@@ -41,55 +41,7 @@ extern const LLVector4a LL_V4A_EPSILON = reinterpret_cast<const LLVector4a&> ( F
 
 /*static */void LLVector4a::memcpyNonAliased16(F32* __restrict dst, const F32* __restrict src, size_t bytes)
 {
-	assert(src != NULL);
-	assert(dst != NULL);
-	assert(bytes > 0);
-	assert((bytes % sizeof(F32))== 0); 
-	ll_assert_aligned(src,16);
-	ll_assert_aligned(dst,16);
-	assert(bytes%16==0);
-
-	F32* end = dst + (bytes / sizeof(F32) );
-
-	if (bytes > 64)
-	{
-		F32* begin_64 = LL_NEXT_ALIGNED_ADDRESS_64(dst);
-		
-		//at least 64 (16*4) bytes before the end of the destination, switch to 16 byte copies
-		F32* end_64 = end-16;
-		
-		_mm_prefetch((char*)begin_64, _MM_HINT_NTA);
-		_mm_prefetch((char*)begin_64 + 64, _MM_HINT_NTA);
-		_mm_prefetch((char*)begin_64 + 128, _MM_HINT_NTA);
-		_mm_prefetch((char*)begin_64 + 192, _MM_HINT_NTA);
-		
-		while (dst < begin_64)
-		{
-			copy4a(dst, src);
-			dst += 4;
-			src += 4;
-		}
-		
-		while (dst < end_64)
-		{
-			_mm_prefetch((char*)src + 512, _MM_HINT_NTA);
-			_mm_prefetch((char*)dst + 512, _MM_HINT_NTA);
-			copy4a(dst, src);
-			copy4a(dst+4, src+4);
-			copy4a(dst+8, src+8);
-			copy4a(dst+12, src+12);
-			
-			dst += 16;
-			src += 16;
-		}
-	}
-
-	while (dst < end)
-	{
-		copy4a(dst, src);
-		dst += 4;
-		src += 4;
-	}
+        ll_memcpy_nonaliased_aligned_16((char*)dst, (char*)src, bytes);
 }
 
 void LLVector4a::setRotated( const LLRotation& rot, const LLVector4a& vec )
diff --git a/indra/llmath/llvector4a.h b/indra/llmath/llvector4a.h
index 0526793d3a..1a478bc8de 100644
--- a/indra/llmath/llvector4a.h
+++ b/indra/llmath/llvector4a.h
@@ -93,7 +93,11 @@ public:
 	
 	LLVector4a()
 	{ //DO NOT INITIALIZE -- The overhead is completely unnecessary
+// This assert is causing spurious referenced before set warnings on GCC 4.3.4
+//
+#if !LL_LINUX
 		ll_assert_aligned(this,16);
+#endif
 	}
 	
 	LLVector4a(F32 x, F32 y, F32 z, F32 w = 0.f)
diff --git a/indra/llmath/llvolume.cpp b/indra/llmath/llvolume.cpp
index 9fc72fd801..edd16b5688 100644
--- a/indra/llmath/llvolume.cpp
+++ b/indra/llmath/llvolume.cpp
@@ -96,93 +96,6 @@ extern BOOL gDebugGL;
 
 bool less_than_max_mag(const LLVector4a& vec);
 
-template <class T, U32 alignment>
-LLAlignedArray<T, alignment>::LLAlignedArray()
-{
-	mArray = NULL;
-	mElementCount = 0;
-	mCapacity = 0;
-}
-
-template <class T, U32 alignment>
-LLAlignedArray<T, alignment>::~LLAlignedArray()
-{
-	ll_aligned_free(mArray);
-	mArray = NULL;
-	mElementCount = 0;
-	mCapacity = 0;
-}
-
-template <class T, U32 alignment>
-void LLAlignedArray<T, alignment>::push_back(const T& elem)
-{
-	T* old_buf = NULL;
-	if (mCapacity <= mElementCount)
-	{
-		mCapacity++;
-		mCapacity *= 2;
-		T* new_buf = (T*) ll_aligned_malloc(mCapacity*sizeof(T), alignment);
-		if (mArray)
-		{
-			LLVector4a::memcpyNonAliased16((F32*) new_buf, (F32*) mArray, sizeof(T)*mElementCount);
-		}
-		old_buf = mArray;
-		mArray = new_buf;
-	}
-
-	mArray[mElementCount++] = elem;
-
-	//delete old array here to prevent error on a.push_back(a[0])
-	ll_aligned_free(old_buf);
-}
-
-template <class T, U32 alignment>
-void LLAlignedArray<T, alignment>::resize(U32 size)
-{
-	if (mCapacity < size)
-	{
-		mCapacity = size+mCapacity*2;
-		T* new_buf = mCapacity > 0 ? (T*) ll_aligned_malloc(mCapacity*sizeof(T), alignment) : NULL;
-		if (mArray)
-		{
-			LLVector4a::memcpyNonAliased16((F32*) new_buf, (F32*) mArray, sizeof(T)*mElementCount);
-			ll_aligned_free(mArray);
-		}
-
-		/*for (U32 i = mElementCount; i < mCapacity; ++i)
-		{
-			new(new_buf+i) T();
-		}*/
-		mArray = new_buf;
-	}
-
-	mElementCount = size;
-}
-
-
-template <class T, U32 alignment>
-T& LLAlignedArray<T, alignment>::operator[](int idx)
-{
-	llassert(idx < mElementCount);
-	return mArray[idx];
-}
-
-template <class T, U32 alignment>
-const T& LLAlignedArray<T, alignment>::operator[](int idx) const
-{
-	llassert(idx < mElementCount);
-	return mArray[idx];
-}
-
-template <class T, U32 alignment>
-T* LLAlignedArray<T, alignment>::append(S32 N)
-{
-	U32 sz = size();
-	resize(sz+N);
-	return &((*this)[sz]);
-}
-
-
 BOOL check_same_clock_dir( const LLVector3& pt1, const LLVector3& pt2, const LLVector3& pt3, const LLVector3& norm)
 {    
 	LLVector3 test = (pt2-pt1)%(pt3-pt2);
@@ -4816,10 +4729,13 @@ void LLVolumeFace::optimize(F32 angle_cutoff)
 		}
 	}
 
-	llassert(new_face.mNumIndices == mNumIndices);
-	llassert(new_face.mNumVertices <= mNumVertices);
-
-	swapData(new_face);
+	// disallow data amplification
+	//
+	if (new_face.mNumVertices <= mNumVertices)
+	{
+	    llassert(new_face.mNumIndices == mNumIndices);
+	    swapData(new_face);
+    }
 }
 
 class LLVCacheTriangleData;
@@ -5400,12 +5316,7 @@ BOOL LLVolumeFace::createUnCutCubeCap(LLVolume* volume, BOOL partial_build)
 	S32 max_t = volume->getPath().mPath.size();
 
 	// S32 i;
-	S32 num_vertices = 0, num_indices = 0;
 	S32	grid_size = (profile.size()-1)/4;
-	S32	quad_count = (grid_size * grid_size);
-
-	num_vertices = (grid_size+1)*(grid_size+1);
-	num_indices = quad_count * 4;
 
 	LLVector4a& min = mExtents[0];
 	LLVector4a& max = mExtents[1];
@@ -6822,3 +6733,4 @@ void calc_binormal_from_triangle(LLVector4a& binormal,
 		binormal.set( 0, 1 , 0 );
 	}
 }
+
diff --git a/indra/llmath/llvolume.h b/indra/llmath/llvolume.h
index 5e43af92ec..6b599a4126 100644
--- a/indra/llmath/llvolume.h
+++ b/indra/llmath/llvolume.h
@@ -57,6 +57,7 @@ class LLVolumeTriangle;
 #include "llrefcount.h"
 #include "llpointer.h"
 #include "llfile.h"
+#include "llalignedarray.h"
 
 //============================================================================
 
@@ -195,26 +196,6 @@ const U8 LL_SCULPT_FLAG_MIRROR    = 128;
 
 const S32 LL_SCULPT_MESH_MAX_FACES = 8;
 
-template <class T, U32 alignment>
-class LLAlignedArray
-{
-public:
-	T* mArray;
-	U32 mElementCount;
-	U32 mCapacity;
-
-	LLAlignedArray();
-	~LLAlignedArray();
-
-	void push_back(const T& elem);
-	U32 size() const { return mElementCount; }
-	void resize(U32 size);
-	T* append(S32 N);
-	T& operator[](int idx);
-	const T& operator[](int idx) const;
-};
-
-
 class LLProfileParams
 {
 public:
diff --git a/indra/llmessage/lliosocket.cpp b/indra/llmessage/lliosocket.cpp
index 0287026659..7713e553ef 100644
--- a/indra/llmessage/lliosocket.cpp
+++ b/indra/llmessage/lliosocket.cpp
@@ -592,6 +592,7 @@ LLIOPipe::EStatus LLIOServerSocket::process_impl(
 	PUMP_DEBUG;
 	apr_pool_t* new_pool = NULL;
 	apr_status_t status = apr_pool_create(&new_pool, mPool);
+	(void)status;
 	apr_socket_t* socket = NULL;
 	status = apr_socket_accept(
 		&socket,
diff --git a/indra/llprimitive/llmodel.cpp b/indra/llprimitive/llmodel.cpp
index 5ed05e2201..ef6eb75a6b 100644
--- a/indra/llprimitive/llmodel.cpp
+++ b/indra/llprimitive/llmodel.cpp
@@ -186,27 +186,73 @@ LLModel::EModelStatus load_face_from_dom_triangles(std::vector<LLVolumeFace>& fa
 	
 	LLVolumeFace::VertexMapData::PointMap point_map;
 	
-	for (U32 i = 0; i < idx.getCount(); i += idx_stride)
+	U32 index_count  = idx.getCount();
+	U32 vertex_count = pos_source  ? v.getCount()  : 0;
+	U32 tc_count     = tc_source   ? tc.getCount() : 0;
+	U32 norm_count   = norm_source ? n.getCount()  : 0;
+
+	for (U32 i = 0; i < index_count; i += idx_stride)
 	{
 		LLVolumeFace::VertexData cv;
 		if (pos_source)
 		{
+			// guard against model data specifiying out of range indices or verts
+			//
+			if (((i + pos_offset) > index_count)
+			 || ((idx[i+pos_offset]*3+2) > vertex_count))
+			{
+				return LLModel::BAD_ELEMENT;
+			}
+
 			cv.setPosition(LLVector4a(v[idx[i+pos_offset]*3+0],
 								v[idx[i+pos_offset]*3+1],
 								v[idx[i+pos_offset]*3+2]));
+
+			if (!cv.getPosition().isFinite3())
+			{
+				return LLModel::BAD_ELEMENT;
+			}
 		}
 
 		if (tc_source)
 		{
+			// guard against model data specifiying out of range indices or tcs
+			//
+			if (((i + tc_offset) > index_count)
+			 || ((idx[i+pos_offset]*2+1) > tc_count))
+			{
+				return LLModel::BAD_ELEMENT;
+			}
+
 			cv.mTexCoord.setVec(tc[idx[i+tc_offset]*2+0],
 								tc[idx[i+tc_offset]*2+1]);
+
+			if (!cv.mTexCoord.isFinite())
+			{
+				llwarns << "Found NaN while loading tex coords from DAE-Model, invalid model." << llendl;
+				return LLModel::BAD_ELEMENT;
+			}
 		}
 		
 		if (norm_source)
 		{
+			// guard against model data specifiying out of range indices or norms
+			//
+			if (((i + norm_offset) > index_count)
+				|| ((idx[i+norm_offset]*3+2) > norm_count))
+			{
+				return LLModel::BAD_ELEMENT;
+			}
+
 			cv.setNormal(LLVector4a(n[idx[i+norm_offset]*3+0],
 								n[idx[i+norm_offset]*3+1],
 								n[idx[i+norm_offset]*3+2]));
+
+			if (!cv.getNormal().isFinite3())
+			{
+				llwarns << "Found NaN while loading normals from DAE-Model, invalid model." << llendl;
+				return LLModel::BAD_ELEMENT;
+			}
 		}
 		
 		BOOL found = FALSE;
@@ -261,13 +307,13 @@ LLModel::EModelStatus load_face_from_dom_triangles(std::vector<LLVolumeFace>& fa
 			LLVolumeFace& new_face = *face_list.rbegin();
 			if (!norm_source)
 			{
-				ll_aligned_free_16(new_face.mNormals);
+				//ll_aligned_free_16(new_face.mNormals);
 				new_face.mNormals = NULL;
 			}
 
 			if (!tc_source)
 			{
-				ll_aligned_free_16(new_face.mTexCoords);
+				//ll_aligned_free_16(new_face.mTexCoords);
 				new_face.mTexCoords = NULL;
 			}
 
@@ -292,13 +338,13 @@ LLModel::EModelStatus load_face_from_dom_triangles(std::vector<LLVolumeFace>& fa
 		LLVolumeFace& new_face = *face_list.rbegin();
 		if (!norm_source)
 		{
-			ll_aligned_free_16(new_face.mNormals);
+			//ll_aligned_free_16(new_face.mNormals);
 			new_face.mNormals = NULL;
 		}
 
 		if (!tc_source)
 		{
-			ll_aligned_free_16(new_face.mTexCoords);
+			//ll_aligned_free_16(new_face.mTexCoords);
 			new_face.mTexCoords = NULL;
 		}
 	}
@@ -364,6 +410,11 @@ LLModel::EModelStatus load_face_from_dom_polylist(std::vector<LLVolumeFace>& fac
 	
 	LLVolumeFace::VertexMapData::PointMap point_map;
 
+	U32 index_count  = idx.getCount();
+	U32 vertex_count = pos_source  ? v.getCount()  : 0;
+	U32 tc_count     = tc_source   ? tc.getCount() : 0;
+	U32 norm_count   = norm_source ? n.getCount()  : 0;
+
 	U32 cur_idx = 0;
 	for (U32 i = 0; i < vcount.getCount(); ++i)
 	{ //for each polygon
@@ -376,22 +427,65 @@ LLModel::EModelStatus load_face_from_dom_polylist(std::vector<LLVolumeFace>& fac
 
 			if (pos_source)
 			{
+				// guard against model data specifiying out of range indices or verts
+				//
+				if (((i + pos_offset) > index_count)
+				 || ((idx[i+pos_offset]*3+2) > vertex_count))
+				{
+					return LLModel::BAD_ELEMENT;
+				}
+
 				cv.getPosition().set(v[idx[cur_idx+pos_offset]*3+0],
 									v[idx[cur_idx+pos_offset]*3+1],
 									v[idx[cur_idx+pos_offset]*3+2]);
+
+				if (!cv.getPosition().isFinite3())
+				{
+					llwarns << "Found NaN while loading positions from DAE-Model, invalid model." << llendl;
+					return LLModel::BAD_ELEMENT;
+				}
+
 			}
 
 			if (tc_source)
 			{
+				// guard against model data specifiying out of range indices or tcs
+				//
+				if (((i + pos_offset) > index_count)
+				 || ((idx[cur_idx+tc_offset]*2+1) > tc_count))
+				{
+					return LLModel::BAD_ELEMENT;
+				}
+
 				cv.mTexCoord.setVec(tc[idx[cur_idx+tc_offset]*2+0],
 									tc[idx[cur_idx+tc_offset]*2+1]);
+
+				if (!cv.mTexCoord.isFinite())
+				{
+					llwarns << "Found NaN while loading tex coords from DAE-Model, invalid model." << llendl;
+					return LLModel::BAD_ELEMENT;
+				}
 			}
 			
 			if (norm_source)
 			{
+				// guard against model data specifiying out of range indices or norms
+				//
+				if (((i + pos_offset) > index_count)
+				 || ((idx[cur_idx+norm_offset]*3+2) > norm_count))
+				{
+					return LLModel::BAD_ELEMENT;
+				}
+
 				cv.getNormal().set(n[idx[cur_idx+norm_offset]*3+0],
 									n[idx[cur_idx+norm_offset]*3+1],
 									n[idx[cur_idx+norm_offset]*3+2]);
+
+				if (!cv.getNormal().isFinite3())
+				{
+					llwarns << "Found NaN while loading normals from DAE-Model, invalid model." << llendl;
+					return LLModel::BAD_ELEMENT;
+				}
 			}
 			
 			cur_idx += idx_stride;
@@ -480,13 +574,13 @@ LLModel::EModelStatus load_face_from_dom_polylist(std::vector<LLVolumeFace>& fac
 				LLVolumeFace& new_face = *face_list.rbegin();
 				if (!norm_source)
 				{
-					ll_aligned_free_16(new_face.mNormals);
+					//ll_aligned_free_16(new_face.mNormals);
 					new_face.mNormals = NULL;
 				}
 
 				if (!tc_source)
 				{
-					ll_aligned_free_16(new_face.mTexCoords);
+					//ll_aligned_free_16(new_face.mTexCoords);
 					new_face.mTexCoords = NULL;
 				}
 
@@ -514,13 +608,13 @@ LLModel::EModelStatus load_face_from_dom_polylist(std::vector<LLVolumeFace>& fac
 		LLVolumeFace& new_face = *face_list.rbegin();
 		if (!norm_source)
 		{
-			ll_aligned_free_16(new_face.mNormals);
+			//ll_aligned_free_16(new_face.mNormals);
 			new_face.mNormals = NULL;
 		}
 
 		if (!tc_source)
 		{
-			ll_aligned_free_16(new_face.mTexCoords);
+			//ll_aligned_free_16(new_face.mTexCoords);
 			new_face.mTexCoords = NULL;
 		}
 	}
@@ -632,6 +726,12 @@ LLModel::EModelStatus load_face_from_dom_polygons(std::vector<LLVolumeFace>& fac
 				vert.getPosition().set(v->get(v_idx),
 								v->get(v_idx+1),
 								v->get(v_idx+2));
+
+				if (!vert.getPosition().isFinite3())
+				{
+					llwarns << "Found NaN while loading position data from DAE-Model, invalid model." << llendl;
+					return LLModel::BAD_ELEMENT;
+				}
 			}
 			
 			//bounds check n and t lookups because some FBX to DAE converters
@@ -644,6 +744,12 @@ LLModel::EModelStatus load_face_from_dom_polygons(std::vector<LLVolumeFace>& fac
 				vert.getNormal().set(n->get(n_idx),
 								n->get(n_idx+1),
 								n->get(n_idx+2));
+
+				if (!vert.getNormal().isFinite3())
+				{
+					llwarns << "Found NaN while loading normals from DAE-Model, invalid model." << llendl;
+					return LLModel::BAD_ELEMENT;
+				}
 			}
 			else
 			{
@@ -657,6 +763,12 @@ LLModel::EModelStatus load_face_from_dom_polygons(std::vector<LLVolumeFace>& fac
 				t_idx = llclamp(t_idx, (U32) 0, (U32) t->getCount());
 				vert.mTexCoord.setVec(t->get(t_idx),
 								t->get(t_idx+1));								
+
+				if (!vert.mTexCoord.isFinite())
+				{
+					llwarns << "Found NaN while loading tex coords from DAE-Model, invalid model." << llendl;
+					return LLModel::BAD_ELEMENT;
+				}
 			}
 			else
 			{
@@ -730,13 +842,13 @@ LLModel::EModelStatus load_face_from_dom_polygons(std::vector<LLVolumeFace>& fac
 		LLVolumeFace& new_face = *face_list.rbegin();
 		if (!n)
 		{
-			ll_aligned_free_16(new_face.mNormals);
+			//ll_aligned_free_16(new_face.mNormals);
 			new_face.mNormals = NULL;
 		}
 
 		if (!t)
 		{
-			ll_aligned_free_16(new_face.mTexCoords);
+			//ll_aligned_free_16(new_face.mTexCoords);
 			new_face.mTexCoords = NULL;
 		}
 	}
@@ -1036,7 +1148,7 @@ void LLModel::setVolumeFaceData(
 	}
 	else
 	{
-		ll_aligned_free_16(face.mNormals);
+		//ll_aligned_free_16(face.mNormals);
 		face.mNormals = NULL;
 	}
 
@@ -1047,7 +1159,7 @@ void LLModel::setVolumeFaceData(
 	}
 	else
 	{
-		ll_aligned_free_16(face.mTexCoords);
+		//ll_aligned_free_16(face.mTexCoords);
 		face.mTexCoords = NULL;
 	}
 
@@ -1246,7 +1358,7 @@ void LLModel::generateNormals(F32 angle_cutoff)
 		}
 		else
 		{
-			ll_aligned_free_16(new_face.mTexCoords);
+			//ll_aligned_free_16(new_face.mTexCoords);
 			new_face.mTexCoords = NULL;
 		}
 
diff --git a/indra/llrender/llvertexbuffer.cpp b/indra/llrender/llvertexbuffer.cpp
index 4460461e12..f8ab085aac 100644
--- a/indra/llrender/llvertexbuffer.cpp
+++ b/indra/llrender/llvertexbuffer.cpp
@@ -310,7 +310,7 @@ void LLVBOPool::cleanup()
 			
 			if (r.mClientData)
 			{
-				ll_aligned_free_16((void*) r.mClientData);
+				ll_aligned_free((void*) r.mClientData);
 			}
 
 			l.pop_front();
diff --git a/indra/llui/llbutton.cpp b/indra/llui/llbutton.cpp
index 705fe16559..3dfcb3ffa1 100644
--- a/indra/llui/llbutton.cpp
+++ b/indra/llui/llbutton.cpp
@@ -758,11 +758,11 @@ void LLButton::draw()
 		mCurGlowStrength = lerp(mCurGlowStrength,
 					mFlashing ? (flash? 1.0 : 0.0)
 					: mHoverGlowStrength,
-					LLCriticalDamp::getInterpolant(0.05f));
+					LLCriticalDamp::getInterpolant(InterpDeltaTeeny));
 	}
 	else
 	{
-		mCurGlowStrength = lerp(mCurGlowStrength, 0.f, LLCriticalDamp::getInterpolant(0.05f));
+		mCurGlowStrength = lerp(mCurGlowStrength, 0.f, LLCriticalDamp::getInterpolant(InterpDeltaTeeny));
 	}
 
 	// Draw button image, if available.
@@ -1247,3 +1247,4 @@ BOOL LLButton::handleDoubleClick(S32 x, S32 y, MASK mask)
 	// just treat a double click as a second click
 	return handleMouseDown(x, y, mask);
 }
+
diff --git a/indra/llui/llconsole.cpp b/indra/llui/llconsole.cpp
index 161496b1f5..fdfaf284de 100644
--- a/indra/llui/llconsole.cpp
+++ b/indra/llui/llconsole.cpp
@@ -243,8 +243,6 @@ void LLConsole::draw()
 void LLConsole::Paragraph::makeParagraphColorSegments (const LLColor4 &color) 
 {
 	LLSD paragraph_color_segments;
-	LLColor4 lcolor=color;
-	
 	paragraph_color_segments[0]["text"] =wstring_to_utf8str(mParagraphText);
 	LLSD color_sd = color.getValue();
 	paragraph_color_segments[0]["color"]=color_sd;
diff --git a/indra/llui/llkeywords.cpp b/indra/llui/llkeywords.cpp
index c1cd04186b..537cc82302 100644
--- a/indra/llui/llkeywords.cpp
+++ b/indra/llui/llkeywords.cpp
@@ -368,7 +368,7 @@ void LLKeywords::findSegments(std::vector<LLTextSegmentPtr>* seg_list, const LLW
 	const llwchar* base = wtext.c_str();
 	const llwchar* cur = base;
 	const llwchar* line = NULL;
-
+        (void)line;
 	while( *cur )
 	{
 		if( *cur == '\n' || cur == base )
diff --git a/indra/llui/lllayoutstack.cpp b/indra/llui/lllayoutstack.cpp
index 4c730286da..32383b1f1d 100644
--- a/indra/llui/lllayoutstack.cpp
+++ b/indra/llui/lllayoutstack.cpp
@@ -229,7 +229,10 @@ LLLayoutStack::LLLayoutStack(const LLLayoutStack::Params& p)
 	mOpenTimeConstant(p.open_time_constant),
 	mCloseTimeConstant(p.close_time_constant),
 	mResizeBarOverlap(p.resize_bar_overlap)
-{}
+{
+	LLCriticalDamp::setInterpolantConstant(InterpDeltaCloseTime, mCloseTimeConstant);
+	LLCriticalDamp::setInterpolantConstant(InterpDeltaOpenTime,  mOpenTimeConstant);
+}
 
 LLLayoutStack::~LLLayoutStack()
 {
@@ -478,7 +481,7 @@ void LLLayoutStack::createResizeBar(LLLayoutPanel* panelp)
 		{
 			LLResizeBar::Side side = (mOrientation == HORIZONTAL) ? LLResizeBar::RIGHT : LLResizeBar::BOTTOM;
 			LLRect resize_bar_rect = getRect();
-
+			(void)resize_bar_rect;
 			LLResizeBar::Params resize_params;
 			resize_params.name("resize");
 			resize_params.resizing_view(lp);
@@ -592,7 +595,7 @@ bool LLLayoutStack::animatePanels()
 			{
 				if (!mAnimatedThisFrame)
 				{
-					panelp->mVisibleAmt = lerp(panelp->mVisibleAmt, 1.f, LLCriticalDamp::getInterpolant(mOpenTimeConstant));
+					panelp->mVisibleAmt = lerp(panelp->mVisibleAmt, 1.f, LLCriticalDamp::getInterpolant(InterpDeltaOpenTime));
 					if (panelp->mVisibleAmt > 0.99f)
 					{
 						panelp->mVisibleAmt = 1.f;
@@ -617,7 +620,7 @@ bool LLLayoutStack::animatePanels()
 			{
 				if (!mAnimatedThisFrame)
 				{
-					panelp->mVisibleAmt = lerp(panelp->mVisibleAmt, 0.f, LLCriticalDamp::getInterpolant(mCloseTimeConstant));
+					panelp->mVisibleAmt = lerp(panelp->mVisibleAmt, 0.f, LLCriticalDamp::getInterpolant(InterpDeltaCloseTime));
 					if (panelp->mVisibleAmt < 0.001f)
 					{
 						panelp->mVisibleAmt = 0.f;
@@ -644,7 +647,7 @@ bool LLLayoutStack::animatePanels()
 			{
 				if (!mAnimatedThisFrame)
 				{
-					panelp->mCollapseAmt = lerp(panelp->mCollapseAmt, collapse_state, LLCriticalDamp::getInterpolant(mCloseTimeConstant));
+					panelp->mCollapseAmt = lerp(panelp->mCollapseAmt, collapse_state, LLCriticalDamp::getInterpolant(InterpDeltaCloseTime));
 				}
 			
 				if (llabs(panelp->mCollapseAmt - collapse_state) < 0.001f)
@@ -855,3 +858,4 @@ void LLLayoutStack::updateResizeBarLimits()
 		previous_visible_panelp = visible_panelp;
 	}
 }
+
diff --git a/indra/llui/llmenugl.cpp b/indra/llui/llmenugl.cpp
index cd6cc6a75e..f142be885d 100644
--- a/indra/llui/llmenugl.cpp
+++ b/indra/llui/llmenugl.cpp
@@ -3673,7 +3673,7 @@ void LLTearOffMenu::draw()
 	if (getRect().getHeight() != mTargetHeight)
 	{
 		// animate towards target height
-		reshape(getRect().getWidth(), llceil(lerp((F32)getRect().getHeight(), mTargetHeight, LLCriticalDamp::getInterpolant(0.05f))));
+		reshape(getRect().getWidth(), llceil(lerp((F32)getRect().getHeight(), mTargetHeight, LLCriticalDamp::getInterpolant(InterpDeltaTeeny))));
 	}
 	LLFloater::draw();
 }
diff --git a/indra/llui/llscrollbar.cpp b/indra/llui/llscrollbar.cpp
index 5d3bf7a670..d65b4431a8 100644
--- a/indra/llui/llscrollbar.cpp
+++ b/indra/llui/llscrollbar.cpp
@@ -493,11 +493,11 @@ void LLScrollbar::draw()
 	BOOL hovered = getEnabled() && !other_captor && (hasMouseCapture() || mThumbRect.pointInRect(local_mouse_x, local_mouse_y));
 	if (hovered)
 	{
-		mCurGlowStrength = lerp(mCurGlowStrength, mHoverGlowStrength, LLCriticalDamp::getInterpolant(0.05f));
+		mCurGlowStrength = lerp(mCurGlowStrength, mHoverGlowStrength, LLCriticalDamp::getInterpolant(InterpDeltaTeeny));
 	}
 	else
 	{
-		mCurGlowStrength = lerp(mCurGlowStrength, 0.f, LLCriticalDamp::getInterpolant(0.05f));
+		mCurGlowStrength = lerp(mCurGlowStrength, 0.f, LLCriticalDamp::getInterpolant(InterpDeltaTeeny));
 	}
 
 	// Draw background and thumb.
@@ -642,3 +642,4 @@ void LLScrollbar::onLineDownBtnPressed( const LLSD& data )
 {
 	changeLine( mStepSize, TRUE );
 }
+
diff --git a/indra/llui/lltabcontainer.cpp b/indra/llui/lltabcontainer.cpp
index 5fc2cc350d..1e64cd0df8 100644
--- a/indra/llui/lltabcontainer.cpp
+++ b/indra/llui/lltabcontainer.cpp
@@ -406,7 +406,7 @@ void LLTabContainer::draw()
 		}
 	}
 
-	setScrollPosPixels((S32)lerp((F32)getScrollPosPixels(), (F32)target_pixel_scroll, LLCriticalDamp::getInterpolant(0.08f)));
+	setScrollPosPixels((S32)lerp((F32)getScrollPosPixels(), (F32)target_pixel_scroll, LLCriticalDamp::getInterpolant(InterpDeltaTeeny)));
 
 	BOOL has_scroll_arrows = !getTabsHidden() && ((mMaxScrollPos > 0) || (mScrollPosPixels > 0));
 	if (!mIsVertical)
@@ -2046,3 +2046,4 @@ void LLTabContainer::commitHoveredButton(S32 x, S32 y)
 		}
 	}
 }
+
diff --git a/indra/llui/lltextbase.cpp b/indra/llui/lltextbase.cpp
index 3815eec447..ec66b6df56 100644
--- a/indra/llui/lltextbase.cpp
+++ b/indra/llui/lltextbase.cpp
@@ -351,7 +351,6 @@ void LLTextBase::drawSelectionBackground()
 
 		S32 selection_left		= llmin( mSelectionStart, mSelectionEnd );
 		S32 selection_right		= llmax( mSelectionStart, mSelectionEnd );
-		LLRect selection_rect = mVisibleTextRect;
 
 		// Skip through the lines we aren't drawing.
 		LLRect content_display_rect = getVisibleDocumentRect();
@@ -2241,6 +2240,8 @@ S32 LLTextBase::getDocIndexFromLocalCoord( S32 local_x, S32 local_y, BOOL round,
 	// Figure out which line we're nearest to.
 	LLRect visible_region = getVisibleDocumentRect();
 	LLRect doc_rect = mDocumentView->getRect();
+	(void)visible_region;
+	(void)doc_rect;
 
 	S32 doc_y = local_y - doc_rect.mBottom;
 	
diff --git a/indra/llui/lltexteditor.cpp b/indra/llui/lltexteditor.cpp
index 46fbd1e6a0..e4bd51c8ce 100644
--- a/indra/llui/lltexteditor.cpp
+++ b/indra/llui/lltexteditor.cpp
@@ -2490,7 +2490,6 @@ void LLTextEditor::updateSegments()
 		mKeywords.findSegments(&segment_list, getWText(), mDefaultColor.get(), *this);
 
 		clearSegments();
-		segment_set_t::iterator insert_it = mSegments.begin();
 		for (segment_vec_t::iterator list_it = segment_list.begin(); list_it != segment_list.end(); ++list_it)
 		{
 			insertSegment(*list_it);
diff --git a/indra/llui/lltoolbar.cpp b/indra/llui/lltoolbar.cpp
index 63b7e452d2..62b6a0cd2f 100644
--- a/indra/llui/lltoolbar.cpp
+++ b/indra/llui/lltoolbar.cpp
@@ -653,7 +653,6 @@ void LLToolBar::updateLayoutAsNeeded()
 	S32 max_row_length = 0;
 
 	S32 max_length;
-	S32 max_total_girth;
 	S32 cur_start;
 	S32 cur_row ;
 	S32 row_pad_start;
@@ -664,7 +663,6 @@ void LLToolBar::updateLayoutAsNeeded()
 	if (orientation == LLLayoutStack::HORIZONTAL)
 	{
 		max_length = getRect().getWidth() - mPadLeft - mPadRight;
-		max_total_girth = getRect().getHeight() - mPadTop - mPadBottom;
 		row_pad_start = mPadLeft;
 		row_pad_end = mPadRight;
 		cur_row = mPadTop;
@@ -673,7 +671,6 @@ void LLToolBar::updateLayoutAsNeeded()
 	else // VERTICAL
 	{
 		max_length = getRect().getHeight() - mPadTop - mPadBottom;
-		max_total_girth = getRect().getWidth() - mPadLeft - mPadRight;
 		row_pad_start = mPadTop;
 		row_pad_end = mPadBottom;
 		cur_row = mPadLeft;
@@ -842,6 +839,7 @@ void LLToolBar::draw()
 	{
 		LLRect caret_rect = caret->getRect();
 		LLRect toolbar_rect = getRect();
+		(void)toolbar_rect;
 		if (getOrientation(mSideType) == LLLayoutStack::HORIZONTAL)
 		{
 			caret->setRect(LLRect(mDragx-caret_rect.getWidth()/2+1,
diff --git a/indra/lscript/lscript_execute/lscript_readlso.cpp b/indra/lscript/lscript_execute/lscript_readlso.cpp
index 35caa41ae1..3cdb41ac17 100644
--- a/indra/lscript/lscript_execute/lscript_readlso.cpp
+++ b/indra/lscript/lscript_execute/lscript_readlso.cpp
@@ -145,7 +145,7 @@ void LLScriptLSOParse::printGlobals(LLFILE *fp)
 		// get offset to skip past name
 		varoffset = global_v_offset;
 		offset = bytestream2integer(mRawData, global_v_offset);
-		
+		(void)offset; //hush little compiler
 		// get typeexport
 		type = *(mRawData + global_v_offset++);
 
@@ -262,8 +262,6 @@ void LLScriptLSOParse::printGlobalFunctions(LLFILE *fp)
 		fprintf(fp, "[Function #%d] [0x%X] %s\n", function_number, orig_function_offset, name);
 		fprintf(fp, "\tReturn Type: %s\n", LSCRIPTTypeNames[type]);
 		type = *(mRawData + function_offset++);
-		S32 params;
-		params = 0;
 		S32 pcount = 0;
 		while (type)
 		{
@@ -350,6 +348,7 @@ void LLScriptLSOParse::printStates(LLFILE *fp)
 				S32 dummy;
 
 				opcode_end = worst_case_opcode_end;
+				(void)opcode_end;
 
 				for (k = LSTT_STATE_BEGIN; k < LSTT_STATE_END; k++)
 				{
@@ -357,6 +356,7 @@ void LLScriptLSOParse::printStates(LLFILE *fp)
 					{
 						temp_end = bytestream2integer(mRawData, read_ahead);
 						dummy = bytestream2integer(mRawData, read_ahead);
+						(void)dummy;
 						if (  (temp_end < opcode_end)
 							&&(temp_end > event_offset))
 						{
diff --git a/indra/newview/llagentcamera.cpp b/indra/newview/llagentcamera.cpp
index 9025c7af8b..a40d9cd318 100644
--- a/indra/newview/llagentcamera.cpp
+++ b/indra/newview/llagentcamera.cpp
@@ -179,7 +179,7 @@ LLAgentCamera::LLAgentCamera() :
 
 	clearGeneralKeys();
 	clearOrbitKeys();
-	clearPanKeys();
+	clearPanKeys();	
 }
 
 // Requires gSavedSettings to be initialized.
@@ -192,6 +192,9 @@ void LLAgentCamera::init()
 
 	mDrawDistance = gSavedSettings.getF32("RenderFarClip");
 
+	const F32 SMOOTHING_HALF_LIFE = 0.02f;
+	LLCriticalDamp::setInterpolantConstant(InterpDeltaCameraSmoothingHalfLife, gSavedSettings.getF32("CameraPositionSmoothing") * SMOOTHING_HALF_LIFE);
+
 	LLViewerCamera::getInstance()->setView(DEFAULT_FIELD_OF_VIEW);
 	// Leave at 0.1 meters until we have real near clip management
 	LLViewerCamera::getInstance()->setNear(0.1f);
@@ -337,7 +340,7 @@ void LLAgentCamera::resetView(BOOL reset_camera, BOOL change_camera)
 			LLVector3 agent_at_axis = gAgent.getAtAxis();
 			agent_at_axis -= projected_vec(agent_at_axis, gAgent.getReferenceUpVector());
 			agent_at_axis.normalize();
-			gAgent.resetAxes(lerp(gAgent.getAtAxis(), agent_at_axis, LLCriticalDamp::getInterpolant(0.3f)));
+			gAgent.resetAxes(lerp(gAgent.getAtAxis(), agent_at_axis, LLCriticalDamp::getInterpolant(InterpDeltaSmall)));
 		}
 
 		setFocusOnAvatar(TRUE, ANIMATE);
@@ -1246,7 +1249,7 @@ void LLAgentCamera::updateCamera()
 	gAgentCamera.clearPanKeys();
 
 	// lerp camera focus offset
-	mCameraFocusOffset = lerp(mCameraFocusOffset, mCameraFocusOffsetTarget, LLCriticalDamp::getInterpolant(CAMERA_FOCUS_HALF_LIFE));
+	mCameraFocusOffset = lerp(mCameraFocusOffset, mCameraFocusOffsetTarget, LLCriticalDamp::getInterpolant(InterpDeltaCameraFocusHalfLife));
 
 	if ( mCameraMode == CAMERA_MODE_FOLLOW )
 	{
@@ -1361,10 +1364,8 @@ void LLAgentCamera::updateCamera()
 		mCameraSmoothingStop = mCameraSmoothingStop || in_build_mode;
 		
 		if (cameraThirdPerson() && !mCameraSmoothingStop)
-		{
-			const F32 SMOOTHING_HALF_LIFE = 0.02f;
-			
-			F32 smoothing = LLCriticalDamp::getInterpolant(gSavedSettings.getF32("CameraPositionSmoothing") * SMOOTHING_HALF_LIFE, FALSE);
+		{			
+			F32 smoothing = LLCriticalDamp::getInterpolant(InterpDeltaCameraSmoothingHalfLife);
 					
 			if (!mFocusObject)  // we differentiate on avatar mode 
 			{
@@ -1394,7 +1395,7 @@ void LLAgentCamera::updateCamera()
 	}
 
 	
-	mCameraCurrentFOVZoomFactor = lerp(mCameraCurrentFOVZoomFactor, mCameraFOVZoomFactor, LLCriticalDamp::getInterpolant(FOV_ZOOM_HALF_LIFE));
+	mCameraCurrentFOVZoomFactor = lerp(mCameraCurrentFOVZoomFactor, mCameraFOVZoomFactor, LLCriticalDamp::getInterpolant(InterpDeltaFovZoomHalfLife));
 
 //	llinfos << "Current FOV Zoom: " << mCameraCurrentFOVZoomFactor << " Target FOV Zoom: " << mCameraFOVZoomFactor << " Object penetration: " << mFocusObjectDist << llendl;
 
@@ -1809,7 +1810,7 @@ LLVector3d LLAgentCamera::calcCameraPositionTargetGlobal(BOOL *hit_limit)
 
 			if (mTargetCameraDistance != mCurrentCameraDistance)
 			{
-				F32 camera_lerp_amt = LLCriticalDamp::getInterpolant(CAMERA_ZOOM_HALF_LIFE);
+				F32 camera_lerp_amt = LLCriticalDamp::getInterpolant(InterpDeltaCameraZoomHalfLife);
 
 				mCurrentCameraDistance = lerp(mCurrentCameraDistance, mTargetCameraDistance, camera_lerp_amt);
 			}
@@ -1827,7 +1828,7 @@ LLVector3d LLAgentCamera::calcCameraPositionTargetGlobal(BOOL *hit_limit)
 			if (isAgentAvatarValid())
 			{
 				LLVector3d camera_lag_d;
-				F32 lag_interp = LLCriticalDamp::getInterpolant(CAMERA_LAG_HALF_LIFE);
+				F32 lag_interp = LLCriticalDamp::getInterpolant(InterpDeltaCameraLagHalfLife);
 				LLVector3 target_lag;
 				LLVector3 vel = gAgent.getVelocity();
 
@@ -1872,7 +1873,7 @@ LLVector3d LLAgentCamera::calcCameraPositionTargetGlobal(BOOL *hit_limit)
 				}
 				else
 				{
-					mCameraLag = lerp(mCameraLag, LLVector3::zero, LLCriticalDamp::getInterpolant(0.15f));
+					mCameraLag = lerp(mCameraLag, LLVector3::zero, LLCriticalDamp::getInterpolant(InterpDeltaCameraLagHalfLife));
 				}
 
 				camera_lag_d.setVec(mCameraLag);
diff --git a/indra/newview/lldrawable.cpp b/indra/newview/lldrawable.cpp
index d29181a3ce..dc0e256ebb 100644
--- a/indra/newview/lldrawable.cpp
+++ b/indra/newview/lldrawable.cpp
@@ -492,97 +492,83 @@ F32 LLDrawable::updateXform(BOOL undamped)
 	BOOL damped = !undamped;
 
 	// Position
-	LLVector3 old_pos(mXform.getPosition());
-	LLVector3 target_pos;
-	if (mXform.isRoot())
-	{
-		// get root position in your agent's region
-		target_pos = mVObjp->getPositionAgent();
-	}
-	else
-	{
-		// parent-relative position
-		target_pos = mVObjp->getPosition();
-	}
-	
+	LLVector3 old_pos	 = mXform.getPosition();
+
+	// get agent position or parent-relative position as appropriate
+	//
+	LLVector3 target_pos = mXform.isRoot() ? mVObjp->getPositionAgent() : mVObjp->getPosition();
+
 	// Rotation
 	LLQuaternion old_rot(mXform.getRotation());
 	LLQuaternion target_rot = mVObjp->getRotation();
+
 	//scaling
 	LLVector3 target_scale = mVObjp->getScale();
 	LLVector3 old_scale = mCurrentScale;
 	LLVector3 dest_scale = target_scale;
-	
-	// Damping
-	F32 dist_squared = 0.f;
-	F32 camdist2 = (mDistanceWRTCamera * mDistanceWRTCamera);
+	LLVector3 scale_vec = old_scale-target_scale;
+
+	static const F32 dot_threshold = 1.0f - FLT_EPSILON;
+
+	F32 dist_squared = dist_vec_squared(old_pos, target_pos);
 
+	bool translated  = dist_squared > 0.0f;
+	bool rotated     = !mVObjp->getAngularVelocity().isExactlyZero() || (dot(old_rot, target_rot) < dot_threshold);
+	bool scaled		 = (scale_vec * scale_vec) > MIN_INTERPOLATE_DISTANCE_SQUARED;
+	
+	// Damping	
 	if (damped && isVisible())
 	{
-		F32 lerp_amt = llclamp(LLCriticalDamp::getInterpolant(OBJECT_DAMPING_TIME_CONSTANT), 0.f, 1.f);
+		F32 lerp_amt = LLCriticalDamp::getInterpolant(InterpDeltaObjectDampingConstant);
 		LLVector3 new_pos = lerp(old_pos, target_pos, lerp_amt);
-		dist_squared = dist_vec_squared(new_pos, target_pos);
+		dist_squared = dist_vec_squared(new_pos, old_pos);
 
 		LLQuaternion new_rot = nlerp(lerp_amt, old_rot, target_rot);
-		// FIXME: This can be negative! It is be possible for some rots to 'cancel out' pos or size changes.
-		dist_squared += (1.f - dot(new_rot, target_rot)) * 10.f;
+		dist_squared += fabs(1.f - dot(new_rot, old_rot)) * 10.f;
 
 		LLVector3 new_scale = lerp(old_scale, target_scale, lerp_amt);
-		dist_squared += dist_vec_squared(new_scale, target_scale);
+		dist_squared += dist_vec_squared(new_scale, old_scale);
 
-		if ((dist_squared >= MIN_INTERPOLATE_DISTANCE_SQUARED * camdist2) &&
-			(dist_squared <= MAX_INTERPOLATE_DISTANCE_SQUARED))
+		// If our lerp isn't moving too far, substitue the lerp'd pos for our target for this frame
+		//
+		if (dist_squared <= MAX_INTERPOLATE_DISTANCE_SQUARED)
 		{
 			// interpolate
 			target_pos = new_pos;
 			target_rot = new_rot;
 			target_scale = new_scale;
 		}
-		else if (mVObjp->getAngularVelocity().isExactlyZero())
+		else
 		{
-			// snap to final position (only if no target omega is applied)
-			dist_squared = 0.0f;
-			if (getVOVolume() && !isRoot())
-			{ //child prim snapping to some position, needs a rebuild
-				gPipeline.markRebuild(this, LLDrawable::REBUILD_POSITION, TRUE);
-			}
+			llinfos << "skipping update due to overly large lerp" << llendl;
 		}
 	}
-	else
-	{
-		// The following fixes MAINT-1742 but breaks vehicles similar to MAINT-2275
-		// dist_squared = dist_vec_squared(old_pos, target_pos);
 
-		// The following fixes MAINT-2247 but causes MAINT-2275
-		//dist_squared += (1.f - dot(old_rot, target_rot)) * 10.f;
-		//dist_squared += dist_vec_squared(old_scale, target_scale);
-	}
+	if (translated || rotated || scaled)
+	{ 
+		if (scaled)
+		{
+			mCurrentScale = target_scale;
+		}
 
-	LLVector3 vec = mCurrentScale-target_scale;
-	
-	if (vec*vec > MIN_INTERPOLATE_DISTANCE_SQUARED)
-	{ //scale change requires immediate rebuild
-		mCurrentScale = target_scale;
-		gPipeline.markRebuild(this, LLDrawable::REBUILD_POSITION, TRUE);
-	}
-	else if (!isRoot() && 
-		 (!mVObjp->getAngularVelocity().isExactlyZero() ||
-			dist_squared > 0.f))
-	{ //child prim moving relative to parent, tag as needing to be rendered atomically and rebuild
 		dist_squared = 1.f; //keep this object on the move list
-		if (!isState(LLDrawable::ANIMATED_CHILD))
+
+		//child prim moving relative to parent, tag as needing to be rendered atomically
+		//
+		if (!isRoot() && !isState(LLDrawable::ANIMATED_CHILD))
 		{			
 			setState(LLDrawable::ANIMATED_CHILD);
-			gPipeline.markRebuild(this, LLDrawable::REBUILD_ALL, TRUE);
-			mVObjp->dirtySpatialGroup();
 		}
+
+		// Mark any components that need to be rebuilt based on what change transpired
+		//
+		if (!rotated && !scaled)
+			gPipeline.markRebuild(this, LLDrawable::REBUILD_POSITION, TRUE);
+		else
+			gPipeline.markRebuild(this, LLDrawable::REBUILD_ALL, TRUE);
+
+		mVObjp->dirtySpatialGroup();
 	}
-	else if (!isRoot()
-		&& (   dist_vec_squared(old_pos, target_pos) > 0.f
-			|| (1.f - dot(old_rot, target_rot)) > 0.f))
-        { // update child prims moved from LSL
-                gPipeline.markRebuild(this, LLDrawable::REBUILD_POSITION, TRUE);
-        }
 	else if (!getVOVolume() && !isAvatar())
 	{
 		movePartition();
@@ -781,7 +767,7 @@ void LLDrawable::updateDistance(LLCamera& camera, bool force_update)
 		}
 
 		pos -= camera.getOrigin();	
-		mDistanceWRTCamera = llround(pos.magVec(), 0.01f);
+		mDistanceWRTCamera = 20.0f;//llround(pos.magVec(), 0.01f);
 		mVObjp->updateLOD();
 	}
 }
diff --git a/indra/newview/llface.cpp b/indra/newview/llface.cpp
index 86e5f20812..c3cb914120 100755
--- a/indra/newview/llface.cpp
+++ b/indra/newview/llface.cpp
@@ -53,6 +53,12 @@
 #include "llviewershadermgr.h"
 #include "llvoavatar.h"
 
+#if LL_LINUX
+// Work-around spurious used before init warning on Vector4a
+//
+#pragma GCC diagnostic ignored "-Wuninitialized"
+#endif
+
 extern BOOL gGLDebugLoggingEnabled;
 
 #define LL_MAX_INDICES_COUNT 1000000
@@ -1982,6 +1988,7 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 				
 			//_mm_prefetch((char*)dst, _MM_HINT_NTA);
 
+
 			LLVector4a res0; //,res1,res2,res3;
 			
 			LLVector4a texIdx;
diff --git a/indra/newview/llfasttimerview.cpp b/indra/newview/llfasttimerview.cpp
index e7a3f9b390..643ce63f29 100644
--- a/indra/newview/llfasttimerview.cpp
+++ b/indra/newview/llfasttimerview.cpp
@@ -940,7 +940,7 @@ void LLFastTimerView::draw()
 			}
 			
 			//interpolate towards new maximum
-			last_max = (U64) lerp((F32)last_max, (F32) cur_max, LLCriticalDamp::getInterpolant(0.1f));
+			last_max = (U64) lerp((F32)last_max, (F32) cur_max, LLCriticalDamp::getInterpolant(InterpDeltaSmaller));
 			if (last_max - cur_max <= 1 ||  cur_max - last_max  <= 1)
 			{
 				last_max = cur_max;
@@ -948,7 +948,7 @@ void LLFastTimerView::draw()
 			F32 alpha_target = last_max > cur_max ?
 								llmin((F32) last_max/ (F32) cur_max - 1.f,1.f) :
 								llmin((F32) cur_max/ (F32) last_max - 1.f,1.f);
-			alpha_interp = lerp(alpha_interp, alpha_target, LLCriticalDamp::getInterpolant(0.1f));
+			alpha_interp = lerp(alpha_interp, alpha_target, LLCriticalDamp::getInterpolant(InterpDeltaSmaller));
 
 			if (mHoverID != NULL)
 			{
diff --git a/indra/newview/llfloatercolorpicker.cpp b/indra/newview/llfloatercolorpicker.cpp
index d6ebe44daa..10d31df22c 100644
--- a/indra/newview/llfloatercolorpicker.cpp
+++ b/indra/newview/llfloatercolorpicker.cpp
@@ -525,11 +525,11 @@ void LLFloaterColorPicker::draw()
 
 	if (gFocusMgr.childHasMouseCapture(getDragHandle()))
 	{
-		mContextConeOpacity = lerp(mContextConeOpacity, gSavedSettings.getF32("PickerContextOpacity"), LLCriticalDamp::getInterpolant(CONTEXT_FADE_TIME));
+		mContextConeOpacity = lerp(mContextConeOpacity, gSavedSettings.getF32("PickerContextOpacity"), LLCriticalDamp::getInterpolant(InterpDeltaContextFadeTime));
 	}
 	else
 	{
-		mContextConeOpacity = lerp(mContextConeOpacity, 0.f, LLCriticalDamp::getInterpolant(CONTEXT_FADE_TIME));
+		mContextConeOpacity = lerp(mContextConeOpacity, 0.f, LLCriticalDamp::getInterpolant(InterpDeltaContextFadeTime));
 	}
 
 	mPipetteBtn->setToggleState(LLToolMgr::getInstance()->getCurrentTool() == LLToolPipette::getInstance());
@@ -1113,3 +1113,4 @@ void LLFloaterColorPicker::stopUsingPipette()
 		LLToolMgr::getInstance()->clearTransientTool();
 	}
 }
+
diff --git a/indra/newview/llfloatermodelpreview.cpp b/indra/newview/llfloatermodelpreview.cpp
index ea839e6f5a..07c36b9f1b 100755
--- a/indra/newview/llfloatermodelpreview.cpp
+++ b/indra/newview/llfloatermodelpreview.cpp
@@ -290,6 +290,22 @@ bool ll_is_degenerate(const LLVector4a& a, const LLVector4a& b, const LLVector4a
 
 bool validate_face(const LLVolumeFace& face)
 {
+
+	for (U32 v = 0; v < face.mNumVertices; v++)
+	{
+		if(face.mPositions && !face.mPositions[v].isFinite3())
+		{
+			llwarns << "NaN position data in face found!" << llendl;
+			return false;
+		}
+
+		if(face.mNormals && !face.mNormals[v].isFinite3())
+		{
+			llwarns << "NaN normal data in face found!" << llendl;
+			return false;
+		}
+	}
+
 	for (U32 i = 0; i < face.mNumIndices; ++i)
 	{
 		if (face.mIndices[i] >= face.mNumVertices)
@@ -305,8 +321,10 @@ bool validate_face(const LLVolumeFace& face)
 		return false;
 	}
 
+
 	/*const LLVector4a scale(0.5f);
 
+
 	for (U32 i = 0; i < face.mNumIndices; i+=3)
 	{
 		U16 idx1 = face.mIndices[i];
@@ -323,7 +341,6 @@ bool validate_face(const LLVolumeFace& face)
 			return false;
 		}
 	}*/
-
 	return true;
 }
 
@@ -5934,3 +5951,5 @@ void LLFloaterModelPreview::setPermissonsErrorStatus(U32 status, const std::stri
 
 	LLNotificationsUtil::add("MeshUploadPermError");
 }
+
+
diff --git a/indra/newview/llfloatersnapshot.cpp b/indra/newview/llfloatersnapshot.cpp
index d8d62e5bbb..103eaace88 100644
--- a/indra/newview/llfloatersnapshot.cpp
+++ b/indra/newview/llfloatersnapshot.cpp
@@ -478,7 +478,7 @@ void LLSnapshotLivePreview::draw()
 		{
 			if (mFlashAlpha < 1.f)
 			{
-				mFlashAlpha = lerp(mFlashAlpha, 1.f, LLCriticalDamp::getInterpolant(0.02f));
+				mFlashAlpha = lerp(mFlashAlpha, 1.f, LLCriticalDamp::getInterpolant(InterpDeltaTeenier));
 			}
 			else
 			{
@@ -487,7 +487,7 @@ void LLSnapshotLivePreview::draw()
 		}
 		else
 		{
-			mFlashAlpha = lerp(mFlashAlpha, 0.f, LLCriticalDamp::getInterpolant(0.15f));
+			mFlashAlpha = lerp(mFlashAlpha, 0.f, LLCriticalDamp::getInterpolant(InterpDeltaSmallish) * 0.5f);
 		}
 
 		// Draw shining animation if appropriate.
@@ -2500,3 +2500,4 @@ BOOL LLSnapshotFloaterView::handleHover(S32 x, S32 y, MASK mask)
 	}
 	return TRUE;
 }
+
diff --git a/indra/newview/llfolderviewitem.cpp b/indra/newview/llfolderviewitem.cpp
index 3aa16b4413..23241b57c4 100644
--- a/indra/newview/llfolderviewitem.cpp
+++ b/indra/newview/llfolderviewitem.cpp
@@ -1293,7 +1293,7 @@ S32 LLFolderViewFolder::arrange( S32* width, S32* height, S32 filter_generation)
 	// animate current height towards target height
 	if (llabs(mCurHeight - mTargetHeight) > 1.f)
 	{
-		mCurHeight = lerp(mCurHeight, mTargetHeight, LLCriticalDamp::getInterpolant(mIsOpen ? FOLDER_OPEN_TIME_CONSTANT : FOLDER_CLOSE_TIME_CONSTANT));
+		mCurHeight = lerp(mCurHeight, mTargetHeight, LLCriticalDamp::getInterpolant(mIsOpen ? InterpDeltaFolderOpenTime : InterpDeltaFolderCloseTime));
 
 		requestArrange();
 
@@ -2538,11 +2538,11 @@ void LLFolderViewFolder::draw()
 	}
 	else if (mIsOpen)
 	{
-		mControlLabelRotation = lerp(mControlLabelRotation, -90.f, LLCriticalDamp::getInterpolant(0.04f));
+		mControlLabelRotation = lerp(mControlLabelRotation, -90.f, LLCriticalDamp::getInterpolant(InterpDeltaTeeny));
 	}
 	else
 	{
-		mControlLabelRotation = lerp(mControlLabelRotation, 0.f, LLCriticalDamp::getInterpolant(0.025f));
+		mControlLabelRotation = lerp(mControlLabelRotation, 0.f, LLCriticalDamp::getInterpolant(InterpDeltaTeenier));
 	}
 
 	bool possibly_has_children = false;
@@ -2899,3 +2899,4 @@ bool LLInventorySort::operator()(const LLFolderViewItem* const& a, const LLFolde
 		}
 	}
 }
+
diff --git a/indra/newview/llfollowcam.cpp b/indra/newview/llfollowcam.cpp
index b670af1782..a3c1996512 100644
--- a/indra/newview/llfollowcam.cpp
+++ b/indra/newview/llfollowcam.cpp
@@ -148,14 +148,16 @@ LLFollowCamParams::~LLFollowCamParams() { }
 //---------------------------------------------------------
 void LLFollowCamParams::setPositionLag( F32 p ) 
 { 
-	mPositionLag = llclamp(p, FOLLOW_CAM_MIN_POSITION_LAG, FOLLOW_CAM_MAX_POSITION_LAG); 
+	mPositionLag = llclamp(p, FOLLOW_CAM_MIN_POSITION_LAG, FOLLOW_CAM_MAX_POSITION_LAG);
+	LLCriticalDamp::setInterpolantConstant(InterpDeltaPositionLag, mPositionLag);
 }
 
 
 //---------------------------------------------------------
 void LLFollowCamParams::setFocusLag( F32 f ) 
 { 
-	mFocusLag = llclamp(f, FOLLOW_CAM_MIN_FOCUS_LAG, FOLLOW_CAM_MAX_FOCUS_LAG); 
+	mFocusLag = llclamp(f, FOLLOW_CAM_MIN_FOCUS_LAG, FOLLOW_CAM_MAX_FOCUS_LAG);
+	LLCriticalDamp::setInterpolantConstant(InterpDeltaFocusLag, mFocusLag);
 }
 
 
@@ -184,6 +186,7 @@ void LLFollowCamParams::setPitch( F32 p )
 void LLFollowCamParams::setBehindnessLag( F32 b ) 
 { 
 	mBehindnessLag = llclamp(b, FOLLOW_CAM_MIN_BEHINDNESS_LAG, FOLLOW_CAM_MAX_BEHINDNESS_LAG); 
+	LLCriticalDamp::setInterpolantConstant(InterpDeltaBehindnessLag, mBehindnessLag);
 }
 
 //---------------------------------------------------------
@@ -328,11 +331,11 @@ void LLFollowCam::update()
 				F32 force = focusOffsetDistance - focusThresholdNormalizedByDistance;
 			*/
 
-			F32 focusLagLerp = LLCriticalDamp::getInterpolant( mFocusLag );
+			F32 focusLagLerp = LLCriticalDamp::getInterpolant(InterpDeltaFocusLag);
 			focus_pt_agent = lerp( focus_pt_agent, whereFocusWantsToBe, focusLagLerp );
 			mSimulatedFocusGlobal = gAgent.getPosGlobalFromAgent(focus_pt_agent);
 		}
-		mRelativeFocus = lerp(mRelativeFocus, (focus_pt_agent - mSubjectPosition) * ~mSubjectRotation, LLCriticalDamp::getInterpolant(0.05f));
+		mRelativeFocus = lerp(mRelativeFocus, (focus_pt_agent - mSubjectPosition) * ~mSubjectRotation, LLCriticalDamp::getInterpolant(InterpDeltaTeeny));
 	}// if focus is not locked ---------------------------------------------
 
 
@@ -415,7 +418,7 @@ void LLFollowCam::update()
 		//-------------------------------------------------------------------------------------------------
 		if ( distanceFromPositionToIdealPosition > mPositionThreshold )
 		{
-			F32 positionPullLerp = LLCriticalDamp::getInterpolant( mPositionLag );
+			F32 positionPullLerp = LLCriticalDamp::getInterpolant(InterpDeltaPositionLag);
 			simulated_pos_agent = lerp( simulated_pos_agent, whereCameraPositionWantsToBe, positionPullLerp );
 		}
 
@@ -435,7 +438,7 @@ void LLFollowCam::update()
 		updateBehindnessConstraint(gAgent.getPosAgentFromGlobal(mSimulatedFocusGlobal), simulated_pos_agent);
 		mSimulatedPositionGlobal = gAgent.getPosGlobalFromAgent(simulated_pos_agent);
 
-		mRelativePos = lerp(mRelativePos, (simulated_pos_agent - mSubjectPosition) * ~mSubjectRotation, LLCriticalDamp::getInterpolant(0.05f));
+		mRelativePos = lerp(mRelativePos, (simulated_pos_agent - mSubjectPosition) * ~mSubjectRotation, LLCriticalDamp::getInterpolant(InterpDeltaTeeny));
 	} // if position is not locked -----------------------------------------------------------
 
 
@@ -490,7 +493,7 @@ BOOL LLFollowCam::updateBehindnessConstraint(LLVector3 focus, LLVector3& cam_pos
 
 		if ( cameraOffsetAngle > mBehindnessMaxAngle )
 		{
-			F32 fraction = ((cameraOffsetAngle - mBehindnessMaxAngle) / cameraOffsetAngle) * LLCriticalDamp::getInterpolant(mBehindnessLag);
+			F32 fraction = ((cameraOffsetAngle - mBehindnessMaxAngle) / cameraOffsetAngle) * LLCriticalDamp::getInterpolant(InterpDeltaBehindnessLag);
 			cam_position = focus + horizontalSubjectBack * (slerp(fraction, camera_offset_rotation, LLQuaternion::DEFAULT));
 			cam_position.mV[VZ] = cameraZ; // clamp z value back to what it was before we started messing with it
 			constraint_active = TRUE;
diff --git a/indra/newview/llhudnametag.cpp b/indra/newview/llhudnametag.cpp
index 482294c8a6..b94681b340 100644
--- a/indra/newview/llhudnametag.cpp
+++ b/indra/newview/llhudnametag.cpp
@@ -980,7 +980,7 @@ void LLHUDNameTag::updateAll()
 //		{
 //			continue;
 //		}
-		(*this_object_it)->mPositionOffset = lerp((*this_object_it)->mPositionOffset, (*this_object_it)->mTargetPositionOffset, LLCriticalDamp::getInterpolant(POSITION_DAMPING_TC));
+		(*this_object_it)->mPositionOffset = lerp((*this_object_it)->mPositionOffset, (*this_object_it)->mTargetPositionOffset, LLCriticalDamp::getInterpolant(InterpDeltaPositionDampingTC));
 	}
 }
 
@@ -1083,3 +1083,4 @@ F32 LLHUDNameTag::LLHUDTextSegment::getWidth(const LLFontGL* font)
 		return width;
 	}
 }
+
diff --git a/indra/newview/llmaniprotate.cpp b/indra/newview/llmaniprotate.cpp
index 826e8d560a..748ac7a16e 100644
--- a/indra/newview/llmaniprotate.cpp
+++ b/indra/newview/llmaniprotate.cpp
@@ -240,7 +240,7 @@ void LLManipRotate::render()
 
 		if (mManipPart == LL_ROT_Z)
 		{
-			mManipulatorScales = lerp(mManipulatorScales, LLVector4(1.f, 1.f, SELECTED_MANIPULATOR_SCALE, 1.f), LLCriticalDamp::getInterpolant(MANIPULATOR_SCALE_HALF_LIFE));
+			mManipulatorScales = lerp(mManipulatorScales, LLVector4(1.f, 1.f, SELECTED_MANIPULATOR_SCALE, 1.f), LLCriticalDamp::getInterpolant(InterpDeltaManipulatorScaleHalfLife));
 			gGL.pushMatrix();
 			{
 				// selected part
@@ -251,7 +251,7 @@ void LLManipRotate::render()
 		}
 		else if (mManipPart == LL_ROT_Y)
 		{
-			mManipulatorScales = lerp(mManipulatorScales, LLVector4(1.f, SELECTED_MANIPULATOR_SCALE, 1.f, 1.f), LLCriticalDamp::getInterpolant(MANIPULATOR_SCALE_HALF_LIFE));
+			mManipulatorScales = lerp(mManipulatorScales, LLVector4(1.f, SELECTED_MANIPULATOR_SCALE, 1.f, 1.f), LLCriticalDamp::getInterpolant(InterpDeltaManipulatorScaleHalfLife));
 			gGL.pushMatrix();
 			{
 				gGL.rotatef( 90.f, 1.f, 0.f, 0.f );
@@ -262,7 +262,7 @@ void LLManipRotate::render()
 		}
 		else if (mManipPart == LL_ROT_X)
 		{
-			mManipulatorScales = lerp(mManipulatorScales, LLVector4(SELECTED_MANIPULATOR_SCALE, 1.f, 1.f, 1.f), LLCriticalDamp::getInterpolant(MANIPULATOR_SCALE_HALF_LIFE));
+			mManipulatorScales = lerp(mManipulatorScales, LLVector4(SELECTED_MANIPULATOR_SCALE, 1.f, 1.f, 1.f), LLCriticalDamp::getInterpolant(InterpDeltaManipulatorScaleHalfLife));
 			gGL.pushMatrix();
 			{
 				gGL.rotatef( 90.f, 0.f, 1.f, 0.f );
@@ -273,13 +273,13 @@ void LLManipRotate::render()
 		}
 		else if (mManipPart == LL_ROT_ROLL)
 		{
-			mManipulatorScales = lerp(mManipulatorScales, LLVector4(1.f, 1.f, 1.f, SELECTED_MANIPULATOR_SCALE), LLCriticalDamp::getInterpolant(MANIPULATOR_SCALE_HALF_LIFE));
+			mManipulatorScales = lerp(mManipulatorScales, LLVector4(1.f, 1.f, 1.f, SELECTED_MANIPULATOR_SCALE), LLCriticalDamp::getInterpolant(InterpDeltaManipulatorScaleHalfLife));
 		}
 		else if (mManipPart == LL_NO_PART)
 		{
 			if (mHighlightedPart == LL_NO_PART)
 			{
-				mManipulatorScales = lerp(mManipulatorScales, LLVector4(1.f, 1.f, 1.f, 1.f), LLCriticalDamp::getInterpolant(MANIPULATOR_SCALE_HALF_LIFE));
+				mManipulatorScales = lerp(mManipulatorScales, LLVector4(1.f, 1.f, 1.f, 1.f), LLCriticalDamp::getInterpolant(InterpDeltaManipulatorScaleHalfLife));
 			}
 
 			LLGLEnable cull_face(GL_CULL_FACE);
@@ -294,7 +294,7 @@ void LLManipRotate::render()
 				{
 					if (mHighlightedPart == LL_ROT_Z)
 					{
-						mManipulatorScales = lerp(mManipulatorScales, LLVector4(1.f, 1.f, SELECTED_MANIPULATOR_SCALE, 1.f), LLCriticalDamp::getInterpolant(MANIPULATOR_SCALE_HALF_LIFE));
+						mManipulatorScales = lerp(mManipulatorScales, LLVector4(1.f, 1.f, SELECTED_MANIPULATOR_SCALE, 1.f), LLCriticalDamp::getInterpolant(InterpDeltaManipulatorScaleHalfLife));
 						gGL.scalef(mManipulatorScales.mV[VZ], mManipulatorScales.mV[VZ], mManipulatorScales.mV[VZ]);
 						// hovering over part
 						gl_ring( mRadiusMeters, width_meters, LLColor4( 0.f, 0.f, 1.f, 1.f ), LLColor4( 0.f, 0.f, 1.f, 0.5f ), CIRCLE_STEPS, i);
@@ -312,7 +312,7 @@ void LLManipRotate::render()
 					gGL.rotatef( 90.f, 1.f, 0.f, 0.f );
 					if (mHighlightedPart == LL_ROT_Y)
 					{
-						mManipulatorScales = lerp(mManipulatorScales, LLVector4(1.f, SELECTED_MANIPULATOR_SCALE, 1.f, 1.f), LLCriticalDamp::getInterpolant(MANIPULATOR_SCALE_HALF_LIFE));
+						mManipulatorScales = lerp(mManipulatorScales, LLVector4(1.f, SELECTED_MANIPULATOR_SCALE, 1.f, 1.f), LLCriticalDamp::getInterpolant(InterpDeltaManipulatorScaleHalfLife));
 						gGL.scalef(mManipulatorScales.mV[VY], mManipulatorScales.mV[VY], mManipulatorScales.mV[VY]);
 						// hovering over part
 						gl_ring( mRadiusMeters, width_meters, LLColor4( 0.f, 1.f, 0.f, 1.f ), LLColor4( 0.f, 1.f, 0.f, 0.5f ), CIRCLE_STEPS, i);
@@ -330,7 +330,7 @@ void LLManipRotate::render()
 					gGL.rotatef( 90.f, 0.f, 1.f, 0.f );
 					if (mHighlightedPart == LL_ROT_X)
 					{
-						mManipulatorScales = lerp(mManipulatorScales, LLVector4(SELECTED_MANIPULATOR_SCALE, 1.f, 1.f, 1.f), LLCriticalDamp::getInterpolant(MANIPULATOR_SCALE_HALF_LIFE));
+						mManipulatorScales = lerp(mManipulatorScales, LLVector4(SELECTED_MANIPULATOR_SCALE, 1.f, 1.f, 1.f), LLCriticalDamp::getInterpolant(InterpDeltaManipulatorScaleHalfLife));
 						gGL.scalef(mManipulatorScales.mV[VX], mManipulatorScales.mV[VX], mManipulatorScales.mV[VX]);
 	
 						// hovering over part
@@ -346,7 +346,7 @@ void LLManipRotate::render()
 
 				if (mHighlightedPart == LL_ROT_ROLL)
 				{
-					mManipulatorScales = lerp(mManipulatorScales, LLVector4(1.f, 1.f, 1.f, SELECTED_MANIPULATOR_SCALE), LLCriticalDamp::getInterpolant(MANIPULATOR_SCALE_HALF_LIFE));
+					mManipulatorScales = lerp(mManipulatorScales, LLVector4(1.f, 1.f, 1.f, SELECTED_MANIPULATOR_SCALE), LLCriticalDamp::getInterpolant(InterpDeltaManipulatorScaleHalfLife));
 				}
 				
 			}
diff --git a/indra/newview/llmanipscale.cpp b/indra/newview/llmanipscale.cpp
index 00a0bf8894..9802d5503e 100644
--- a/indra/newview/llmanipscale.cpp
+++ b/indra/newview/llmanipscale.cpp
@@ -535,11 +535,11 @@ void LLManipScale::highlightManipulators(S32 x, S32 y)
 	{
 		if (mHighlightedPart == MANIPULATOR_IDS[i])
 		{
-			mManipulatorScales[i] = lerp(mManipulatorScales[i], SELECTED_MANIPULATOR_SCALE, LLCriticalDamp::getInterpolant(MANIPULATOR_SCALE_HALF_LIFE));
+			mManipulatorScales[i] = lerp(mManipulatorScales[i], SELECTED_MANIPULATOR_SCALE, LLCriticalDamp::getInterpolant(InterpDeltaManipulatorScaleHalfLife));
 		}
 		else
 		{
-			mManipulatorScales[i] = lerp(mManipulatorScales[i], 1.f, LLCriticalDamp::getInterpolant(MANIPULATOR_SCALE_HALF_LIFE));
+			mManipulatorScales[i] = lerp(mManipulatorScales[i], 1.f, LLCriticalDamp::getInterpolant(InterpDeltaManipulatorScaleHalfLife));
 		}
 	}
 
@@ -2082,3 +2082,4 @@ BOOL LLManipScale::canAffectSelection()
 	}
 	return can_scale;
 }
+
diff --git a/indra/newview/llmaniptranslate.cpp b/indra/newview/llmaniptranslate.cpp
index 0228807dc8..9d287e7a03 100644
--- a/indra/newview/llmaniptranslate.cpp
+++ b/indra/newview/llmaniptranslate.cpp
@@ -1922,18 +1922,18 @@ void LLManipTranslate::renderTranslationHandles()
 			{
 				if (index == mManipPart - LL_X_ARROW || index == mHighlightedPart - LL_X_ARROW)
 				{
-					mArrowScales.mV[index] = lerp(mArrowScales.mV[index], SELECTED_ARROW_SCALE, LLCriticalDamp::getInterpolant(MANIPULATOR_SCALE_HALF_LIFE ));
-					mPlaneScales.mV[index] = lerp(mPlaneScales.mV[index], 1.f, LLCriticalDamp::getInterpolant(MANIPULATOR_SCALE_HALF_LIFE ));
+					mArrowScales.mV[index] = lerp(mArrowScales.mV[index], SELECTED_ARROW_SCALE, LLCriticalDamp::getInterpolant(InterpDeltaManipulatorScaleHalfLife));
+					mPlaneScales.mV[index] = lerp(mPlaneScales.mV[index], 1.f, LLCriticalDamp::getInterpolant(InterpDeltaManipulatorScaleHalfLife));
 				}
 				else if (index == mManipPart - LL_YZ_PLANE || index == mHighlightedPart - LL_YZ_PLANE)
 				{
-					mArrowScales.mV[index] = lerp(mArrowScales.mV[index], 1.f, LLCriticalDamp::getInterpolant(MANIPULATOR_SCALE_HALF_LIFE ));
-					mPlaneScales.mV[index] = lerp(mPlaneScales.mV[index], SELECTED_ARROW_SCALE, LLCriticalDamp::getInterpolant(MANIPULATOR_SCALE_HALF_LIFE ));
+					mArrowScales.mV[index] = lerp(mArrowScales.mV[index], 1.f, LLCriticalDamp::getInterpolant(InterpDeltaManipulatorScaleHalfLife));
+					mPlaneScales.mV[index] = lerp(mPlaneScales.mV[index], SELECTED_ARROW_SCALE, LLCriticalDamp::getInterpolant(InterpDeltaManipulatorScaleHalfLife));
 				}
 				else
 				{
-					mArrowScales.mV[index] = lerp(mArrowScales.mV[index], 1.f, LLCriticalDamp::getInterpolant(MANIPULATOR_SCALE_HALF_LIFE ));
-					mPlaneScales.mV[index] = lerp(mPlaneScales.mV[index], 1.f, LLCriticalDamp::getInterpolant(MANIPULATOR_SCALE_HALF_LIFE ));
+					mArrowScales.mV[index] = lerp(mArrowScales.mV[index], 1.f, LLCriticalDamp::getInterpolant(InterpDeltaManipulatorScaleHalfLife));
+					mPlaneScales.mV[index] = lerp(mPlaneScales.mV[index], 1.f, LLCriticalDamp::getInterpolant(InterpDeltaManipulatorScaleHalfLife));
 				}
 			}
 
@@ -2323,3 +2323,4 @@ BOOL LLManipTranslate::canAffectSelection()
 	}
 	return can_move;
 }
+
diff --git a/indra/newview/llnetmap.cpp b/indra/newview/llnetmap.cpp
index 1bda7640bd..274497f2b5 100644
--- a/indra/newview/llnetmap.cpp
+++ b/indra/newview/llnetmap.cpp
@@ -162,7 +162,7 @@ void LLNetMap::draw()
 	static LLUICachedControl<bool> auto_center("MiniMapAutoCenter", true);
 	if (auto_center)
 	{
-		mCurPan = lerp(mCurPan, mTargetPan, LLCriticalDamp::getInterpolant(0.1f));
+		mCurPan = lerp(mCurPan, mTargetPan, LLCriticalDamp::getInterpolant(InterpDeltaSmaller));
 	}
 
 	// Prepare a scissor region
@@ -987,3 +987,4 @@ void LLNetMap::handleStopTracking (const LLSD& userdata)
 		LLTracker::stopTracking ((void*)LLTracker::isTracking(NULL));
 	}
 }
+
diff --git a/indra/newview/llpolymesh.cpp b/indra/newview/llpolymesh.cpp
index 5f5258bbce..916f3d8e06 100644
--- a/indra/newview/llpolymesh.cpp
+++ b/indra/newview/llpolymesh.cpp
@@ -983,12 +983,26 @@ LLVector4a *LLPolyMesh::getScaledBinormals()
 //-----------------------------------------------------------------------------
 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));
+	// Must insure that src and dst of copies below
+	// are actually 16b aligned...the 16b mod 0 size
+	// is assumed from the data being LLVector4a
+	//
+	ll_assert_aligned(mCoords,16);
+	ll_assert_aligned(mNormals,16);
+	ll_assert_aligned(mScaledNormals,16);
+	ll_assert_aligned(mBinormals,16);
+	ll_assert_aligned(mScaledBinormals,16);
+	ll_assert_aligned(mTexCoords,16);
+	ll_assert_aligned(mSharedData->mBaseCoords,16);
+	ll_assert_aligned(mSharedData->mBaseNormals,16);
+	ll_assert_aligned(mSharedData->mTexCoords,16);
+
+        ll_memcpy_nonaliased_aligned_16((char*)mCoords, (char*)mSharedData->mBaseCoords, sizeof(LLVector4a) * mSharedData->mNumVertices);
+	ll_memcpy_nonaliased_aligned_16((char*)mNormals, (char*)mSharedData->mBaseNormals, sizeof(LLVector4a) * mSharedData->mNumVertices);
+	ll_memcpy_nonaliased_aligned_16((char*)mScaledNormals, (char*)mSharedData->mBaseNormals, sizeof(LLVector4a) * mSharedData->mNumVertices);
+	ll_memcpy_nonaliased_aligned_16((char*)mBinormals, (char*)mSharedData->mBaseNormals, sizeof(LLVector4a) * mSharedData->mNumVertices);
+	ll_memcpy_nonaliased_aligned_16((char*)mScaledBinormals, (char*)mSharedData->mBaseNormals, sizeof(LLVector4a) * mSharedData->mNumVertices);
+	ll_memcpy_nonaliased_aligned_16((char*)mTexCoords, (char*)mSharedData->mTexCoords, sizeof(LLVector2) * (mSharedData->mNumVertices + mSharedData->mNumVertices%2));
 
 	for (U32 i = 0; i < mSharedData->mNumVertices; ++i)
 	{
diff --git a/indra/newview/llselectmgr.cpp b/indra/newview/llselectmgr.cpp
index 343316d30a..cf9d95455e 100644
--- a/indra/newview/llselectmgr.cpp
+++ b/indra/newview/llselectmgr.cpp
@@ -6108,6 +6108,14 @@ void LLSelectNode::renderOneSilhouette(const LLColor4 &color)
 			gGL.setAlphaRejectSettings(LLRender::CF_DEFAULT);
 			gGL.begin(LLRender::LINES);
 			{
+				// Lines require an even number of verts so repeat the first
+				// vert if we don't meet that requirement
+				//
+				if (mSilhouetteVertices.size() & 0x1)
+				{
+					mSilhouetteVertices.push_back(mSilhouetteVertices[0]);
+				}
+
 				for(S32 i = 0; i < mSilhouetteVertices.size(); i += 2)
 				{
 					u_coord += u_divisor * LLSelectMgr::sHighlightUScale;
@@ -7547,3 +7555,4 @@ void LLSelectMgr::sendSelectionMove()
 
 	//saveSelectedObjectTransform(SELECT_ACTION_TYPE_PICK);
 }
+
diff --git a/indra/newview/lltexturectrl.cpp b/indra/newview/lltexturectrl.cpp
index ec36cf48c2..8c5844eca7 100644
--- a/indra/newview/lltexturectrl.cpp
+++ b/indra/newview/lltexturectrl.cpp
@@ -549,11 +549,11 @@ void LLFloaterTexturePicker::draw()
 
 	if (gFocusMgr.childHasMouseCapture(getDragHandle()))
 	{
-		mContextConeOpacity = lerp(mContextConeOpacity, gSavedSettings.getF32("PickerContextOpacity"), LLCriticalDamp::getInterpolant(CONTEXT_FADE_TIME));
+		mContextConeOpacity = lerp(mContextConeOpacity, gSavedSettings.getF32("PickerContextOpacity"), LLCriticalDamp::getInterpolant(InterpDeltaContextFadeTime));
 	}
 	else
 	{
-		mContextConeOpacity = lerp(mContextConeOpacity, 0.f, LLCriticalDamp::getInterpolant(CONTEXT_FADE_TIME));
+		mContextConeOpacity = lerp(mContextConeOpacity, 0.f, LLCriticalDamp::getInterpolant(InterpDeltaContextFadeTime));
 	}
 
 	updateImageStats();
diff --git a/indra/newview/llviewerdisplay.cpp b/indra/newview/llviewerdisplay.cpp
index 9ffc64312d..3f97659c66 100644
--- a/indra/newview/llviewerdisplay.cpp
+++ b/indra/newview/llviewerdisplay.cpp
@@ -1033,7 +1033,7 @@ void render_hud_attachments()
 	// clamp target zoom level to reasonable values
 	gAgentCamera.mHUDTargetZoom = llclamp(gAgentCamera.mHUDTargetZoom, 0.1f, 1.f);
 	// smoothly interpolate current zoom level
-	gAgentCamera.mHUDCurZoom = lerp(gAgentCamera.mHUDCurZoom, gAgentCamera.mHUDTargetZoom, LLCriticalDamp::getInterpolant(0.03f));
+	gAgentCamera.mHUDCurZoom = lerp(gAgentCamera.mHUDCurZoom, gAgentCamera.mHUDTargetZoom, LLCriticalDamp::getInterpolant(InterpDeltaTeenier));
 
 	if (LLPipeline::sShowHUDAttachments && !gDisconnected && setup_hud_matrices())
 	{
@@ -1593,3 +1593,4 @@ void display_cleanup()
 {
 	gDisconnectedImagep = NULL;
 }
+
diff --git a/indra/newview/llvoavatar.cpp b/indra/newview/llvoavatar.cpp
index 4efd59685e..d28da507ea 100755
--- a/indra/newview/llvoavatar.cpp
+++ b/indra/newview/llvoavatar.cpp
@@ -2913,7 +2913,7 @@ void LLVOAvatar::idleUpdateWindEffect()
 		LLVector3 velocity = getVelocity();
 		F32 speed = velocity.length();
 		//RN: velocity varies too much frame to frame for this to work
-		mRippleAccel.clearVec();//lerp(mRippleAccel, (velocity - mLastVel) * time_delta, LLCriticalDamp::getInterpolant(0.02f));
+		mRippleAccel.clearVec();//lerp(mRippleAccel, (velocity - mLastVel) * time_delta, LLCriticalDamp::getInterpolant(InterpDeltaTeenier));
 		mLastVel = velocity;
 		LLVector4 wind;
 		wind.setVec(getRegion()->mWind.getVelocityNoisy(getPositionAgent(), 4.f) - velocity);
@@ -2934,13 +2934,10 @@ void LLVOAvatar::idleUpdateWindEffect()
 
 		wind.mV[VW] = llmin(0.025f + (speed * 0.015f) + hover_strength, 0.5f);
 		F32 interp;
-		if (wind.mV[VW] > mWindVec.mV[VW])
+		interp = LLCriticalDamp::getInterpolant(InterpDeltaSmall);
+		if (wind.mV[VW] <= mWindVec.mV[VW])
 		{
-			interp = LLCriticalDamp::getInterpolant(0.2f);
-		}
-		else
-		{
-			interp = LLCriticalDamp::getInterpolant(0.4f);
+			interp *= 2.0f;
 		}
 		mWindVec = lerp(mWindVec, wind, interp);
 	
@@ -3801,7 +3798,6 @@ BOOL LLVOAvatar::updateCharacter(LLAgent &agent)
 
 			// Set the root rotation, but do so incrementally so that it
 			// lags in time by some fixed amount.
-			//F32 u = LLCriticalDamp::getInterpolant(PELVIS_LAG);
 			F32 pelvis_lag_time = 0.f;
 			if (self_in_mouselook)
 			{
diff --git a/indra/newview/llvovolume.cpp b/indra/newview/llvovolume.cpp
index 0df0e653ae..e39d2862fb 100644
--- a/indra/newview/llvovolume.cpp
+++ b/indra/newview/llvovolume.cpp
@@ -1271,7 +1271,7 @@ BOOL LLVOVolume::calcLOD()
 	else
 	{
 		distance = mDrawable->mDistanceWRTCamera;
-		radius = getVolume()->mLODScaleBias.scaledVec(getScale()).length();
+		radius = getVolume() ? getVolume()->mLODScaleBias.scaledVec(getScale()).length() : getScale().length();
 	}
 	
 	//hold onto unmodified distance for debugging
@@ -2993,7 +2993,8 @@ void LLVOVolume::generateSilhouette(LLSelectNode* nodep, const LLVector3& view_p
 
 		//transform view vector into volume space
 		view_vector -= getRenderPosition();
-		mDrawable->mDistanceWRTCamera = view_vector.length();
+		// WTF...why is silhouette generation touching a variable used all over the place?!
+		//mDrawable->mDistanceWRTCamera = view_vector.length();
 		LLQuaternion worldRot = getRenderRotation();
 		view_vector = view_vector * ~worldRot;
 		if (!isVolumeGlobal())
diff --git a/indra/newview/llwlanimator.h b/indra/newview/llwlanimator.h
index 5223b45343..810f4cf7e5 100644
--- a/indra/newview/llwlanimator.h
+++ b/indra/newview/llwlanimator.h
@@ -137,3 +137,4 @@ private:
 };
 
 #endif // LL_WL_ANIMATOR_H
+
diff --git a/indra/newview/llwlparammanager.h b/indra/newview/llwlparammanager.h
index 72422500fc..e13aed98ed 100644
--- a/indra/newview/llwlparammanager.h
+++ b/indra/newview/llwlparammanager.h
@@ -412,3 +412,4 @@ inline LLVector4 LLWLParamManager::getRotatedLightDir(void) const
 }
 
 #endif
+
diff --git a/indra/newview/llwlparamset.cpp b/indra/newview/llwlparamset.cpp
index 745cdae441..b307f19e8a 100644
--- a/indra/newview/llwlparamset.cpp
+++ b/indra/newview/llwlparamset.cpp
@@ -406,4 +406,5 @@ void LLWLParamSet::updateHashedNames()
 	{
 		mParamHashedNames.push_back(LLStaticHashedString(iter->first));
 	}
-}
\ No newline at end of file
+}
+
diff --git a/indra/newview/llwlparamset.h b/indra/newview/llwlparamset.h
index 3e9f77ba6c..6e5f1d3a4b 100644
--- a/indra/newview/llwlparamset.h
+++ b/indra/newview/llwlparamset.h
@@ -243,3 +243,4 @@ inline F32 LLWLParamSet::getCloudScrollY() {
 
 
 #endif // LL_WLPARAM_SET_H
+
diff --git a/indra/newview/llworldmapview.cpp b/indra/newview/llworldmapview.cpp
index ccc513b80d..7c3bc5988c 100644
--- a/indra/newview/llworldmapview.cpp
+++ b/indra/newview/llworldmapview.cpp
@@ -302,8 +302,8 @@ void LLWorldMapView::draw()
 	mVisibleRegions.clear();
 
 	// animate pan if necessary
-	sPanX = lerp(sPanX, sTargetPanX, LLCriticalDamp::getInterpolant(0.1f));
-	sPanY = lerp(sPanY, sTargetPanY, LLCriticalDamp::getInterpolant(0.1f));
+	sPanX = lerp(sPanX, sTargetPanX, LLCriticalDamp::getInterpolant(InterpDeltaSmaller));
+	sPanY = lerp(sPanY, sTargetPanY, LLCriticalDamp::getInterpolant(InterpDeltaSmaller));
 
 	const S32 width = getRect().getWidth();
 	const S32 height = getRect().getHeight();
@@ -1795,3 +1795,5 @@ BOOL LLWorldMapView::handleDoubleClick( S32 x, S32 y, MASK mask )
 	}
 	return FALSE;
 }
+
+
diff --git a/indra/test/io.cpp b/indra/test/io.cpp
index ce747f667d..7f26ac6724 100644
--- a/indra/test/io.cpp
+++ b/indra/test/io.cpp
@@ -1141,6 +1141,7 @@ namespace tut
 		ensure("Connected to server", connected);
 		lldebugs << "connected" << llendl;
 		F32 elapsed = pump_loop(mPump,0.1f);
+		(void)elapsed;
 		count = mPump->runningChains();
 		ensure_equals("server chain onboard", count, 2);
 		lldebugs << "** Client is connected." << llendl;
diff --git a/indra/test/llstreamtools_tut.cpp b/indra/test/llstreamtools_tut.cpp
index a93f2e8f65..68e56b5ee2 100644
--- a/indra/test/llstreamtools_tut.cpp
+++ b/indra/test/llstreamtools_tut.cpp
@@ -386,15 +386,17 @@ namespace tut
 		std::string actual_result;
 		std::istringstream is;
 		bool ret;
-
 		is.clear();
 		is.str(str = "  First Second \t \r  \n Third  Fourth-ShouldThisBePartOfFourth  Fifth\n");
 		actual_result = "";
 		ret = get_word(actual_result, is); // First
+		(void)ret;
 		actual_result = "";
 		ret = get_word(actual_result, is); // Second
+		(void)ret;
 		actual_result = "";
 		ret = get_word(actual_result, is); // Third
+		(void)ret;
 
 		// the current implementation of get_word seems inconsistent with
 		// skip_to_next_word. skip_to_next_word treats any character other
@@ -486,6 +488,7 @@ namespace tut
 		is.str(str = "First Second \t \r\n Third  Fourth-ShouldThisBePartOfFourth  IsThisFifth\n");
 		actual_result = "";
 		ret = get_line(actual_result, is);
+		(void)ret;
 		expected_result = "First Second \t \r\n";
 		ensure_equals("get_line: 1", actual_result, expected_result);
 
@@ -551,6 +554,7 @@ namespace tut
 		is.str(str = "Should not skip lone \r.\r\n");
 		actual_result = "";
 		ret = get_line(actual_result, is);
+		(void)ret;
 		expected_result = "Should not skip lone \r.\r\n";
 		ensure_equals("get_line: carriage return skipped even though not followed by newline", actual_result, expected_result);
 	}
@@ -569,6 +573,7 @@ namespace tut
 		is.str(str = "\n");
 		actual_result = "";
 		ret = get_line(actual_result, is);
+		(void)ret;
 		expected_result = "\n";
 		ensure_equals("get_line: Just newline", actual_result, expected_result);
 	}
@@ -588,6 +593,7 @@ namespace tut
 		is.str(str = "First Line.\nSecond Line.\n");
 		actual_result = "";
 		ret = get_line(actual_result, is, 255);
+		(void)ret;
 		expected_result = "First Line.\n";
 		ensure_equals("get_line: Basic Operation", actual_result, expected_result);
 
diff --git a/indra/test/lltemplatemessagebuilder_tut.cpp b/indra/test/lltemplatemessagebuilder_tut.cpp
index 6e1c82bb24..0aad3cbc15 100644
--- a/indra/test/lltemplatemessagebuilder_tut.cpp
+++ b/indra/test/lltemplatemessagebuilder_tut.cpp
@@ -958,11 +958,13 @@ namespace tut
 		reader->validateMessage(buffer, builtSize, LLHost());
 		reader->readMessage(buffer, LLHost());
 		reader->getU32(_PREHASH_Test0, _PREHASH_Test0, outValue);
+		(void)outValue;
 		char outBuffer[bufferSize];
 		memset(buffer, 0xcc, bufferSize);
 		reader->getString(_PREHASH_Test1, _PREHASH_Test0, bufferSize, 
 						  outBuffer);
 		outValue2 = reader->getNumberOfBlocks(_PREHASH_Test1);
+		(void)outValue2;
 		ensure_equals("Ensure present value ", outValue, inValue);
 		ensure_equals("Ensure unchanged buffer ", strlen(outBuffer), 0);
 		delete reader;