merge with viewer-release

36 files changed, 682 insertions, 311 deletions

diff --git a/indra/llui/llbutton.cpp b/indra/llui/llbutton.cpp
index 705fe16559..93ffa7b70d 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));
+					LLSmoothInterpolation::getInterpolant(0.05f));
 	}
 	else
 	{
-		mCurGlowStrength = lerp(mCurGlowStrength, 0.f, LLCriticalDamp::getInterpolant(0.05f));
+		mCurGlowStrength = lerp(mCurGlowStrength, 0.f, LLSmoothInterpolation::getInterpolant(0.05f));
 	}
 
 	// Draw button image, if available.
diff --git a/indra/llui/llcontainerview.cpp b/indra/llui/llcontainerview.cpp
index e08ccb0b78..06f8e72c9c 100644
--- a/indra/llui/llcontainerview.cpp
+++ b/indra/llui/llcontainerview.cpp
@@ -49,7 +49,6 @@ LLContainerView::LLContainerView(const LLContainerView::Params& p)
 	mLabel(p.label),
 	mDisplayChildren(p.display_children)
 {
-	mCollapsible = TRUE;
 	mScrollContainer = NULL;
 }
 
@@ -75,6 +74,11 @@ bool LLContainerView::addChild(LLView* child, S32 tab_group)
 	return res;
 }
 
+BOOL LLContainerView::handleDoubleClick(S32 x, S32 y, MASK mask)
+{
+	return handleMouseDown(x, y, mask);
+}
+
 BOOL LLContainerView::handleMouseDown(S32 x, S32 y, MASK mask)
 {
 	BOOL handled = FALSE;
@@ -84,7 +88,7 @@ BOOL LLContainerView::handleMouseDown(S32 x, S32 y, MASK mask)
 	}
 	if (!handled)
 	{
-		if( mCollapsible && mShowLabel && (y >= getRect().getHeight() - 10) )
+		if( mShowLabel && (y >= getRect().getHeight() - 10) )
 		{
 			setDisplayChildren(!mDisplayChildren);
 			reshape(getRect().getWidth(), getRect().getHeight(), FALSE);
diff --git a/indra/llui/llcontainerview.h b/indra/llui/llcontainerview.h
index e81600fd6c..ac92b19977 100644
--- a/indra/llui/llcontainerview.h
+++ b/indra/llui/llcontainerview.h
@@ -66,6 +66,7 @@ public:
 	/*virtual*/ BOOL postBuild();
 	/*virtual*/ bool addChild(LLView* view, S32 tab_group = 0);
 	
+	/*virtual*/ BOOL handleDoubleClick(S32 x, S32 y, MASK mask);
 	/*virtual*/ BOOL handleMouseDown(S32 x, S32 y, MASK mask);
 	/*virtual*/ BOOL handleMouseUp(S32 x, S32 y, MASK mask);
 
@@ -87,8 +88,5 @@ public:
 protected:
 	BOOL mDisplayChildren;
 	std::string mLabel;
-public:
-	BOOL mCollapsible;
-
 };
 #endif // LL_CONTAINERVIEW_
diff --git a/indra/llui/llfloater.cpp b/indra/llui/llfloater.cpp
index 1594be2512..a29ad12d23 100644
--- a/indra/llui/llfloater.cpp
+++ b/indra/llui/llfloater.cpp
@@ -1119,11 +1119,11 @@ void LLFloater::handleReshape(const LLRect& new_rect, bool by_user)
 			{
 				setDocked( false, false);
 			}
-			storeRectControl();
-			mPositioning = LLFloaterEnums::POSITIONING_RELATIVE;
-			LLRect screen_rect = calcScreenRect();
-			mPosition = LLCoordGL(screen_rect.getCenterX(), screen_rect.getCenterY()).convert();
-		}
+		storeRectControl();
+		mPositioning = LLFloaterEnums::POSITIONING_RELATIVE;
+		LLRect screen_rect = calcScreenRect();
+		mPosition = LLCoordGL(screen_rect.getCenterX(), screen_rect.getCenterY()).convert();
+	}
 
 		// gather all snapped dependents
 		for(handle_set_iter_t dependent_it = mDependents.begin();
@@ -1720,7 +1720,7 @@ void LLFloater::onClickHelp( LLFloater* self )
 	}
 }
 
-// static
+// static 
 void LLFloater::closeFrontmostFloater()
 {
 	LLFloater* floater_to_close = gFloaterView->getFrontmostClosableFloater();
@@ -3085,7 +3085,7 @@ bool LLFloater::initFloaterXML(LLXMLNodePtr node, LLView *parent, const std::str
 			parser.readXUI(node, output_params, LLUICtrlFactory::getInstance()->getCurFileName());
 			setupParamsForExport(output_params, parent);
 			output_node->setName(node->getName()->mString);
-			parser.writeXUI(output_node, output_params, &default_params);
+			parser.writeXUI(output_node, output_params, LLInitParam::default_parse_rules(), &default_params);
 			return TRUE;
 		}
 
@@ -3115,9 +3115,8 @@ bool LLFloater::initFloaterXML(LLXMLNodePtr node, LLView *parent, const std::str
 	{
 		Params output_params(params);
 		setupParamsForExport(output_params, parent);
-        Params default_params(LLUICtrlFactory::getDefaultParams<LLFloater>());
 		output_node->setName(node->getName()->mString);
-		parser.writeXUI(output_node, output_params, &default_params);
+		parser.writeXUI(output_node, output_params, LLInitParam::default_parse_rules(), &default_params);
 	}
 
 	// Default floater position to top-left corner of screen
diff --git a/indra/llui/llfloaterreg.h b/indra/llui/llfloaterreg.h
index a1e1f8a988..e3b17dcb4f 100644
--- a/indra/llui/llfloaterreg.h
+++ b/indra/llui/llfloaterreg.h
@@ -30,6 +30,7 @@
 #include "llrect.h"
 #include "llsd.h"
 
+#include <list>
 #include <boost/function.hpp>
 
 //*******************************************************
diff --git a/indra/llui/lllayoutstack.cpp b/indra/llui/lllayoutstack.cpp
index 4c730286da..d4a310b8cf 100644
--- a/indra/llui/lllayoutstack.cpp
+++ b/indra/llui/lllayoutstack.cpp
@@ -42,12 +42,6 @@ static const F32 MAX_FRACTIONAL_SIZE = 1.f;
 static LLDefaultChildRegistry::Register<LLLayoutStack> register_layout_stack("layout_stack");
 static LLLayoutStack::LayoutStackRegistry::Register<LLLayoutPanel> register_layout_panel("layout_panel");
 
-void LLLayoutStack::OrientationNames::declareValues()
-{
-	declare("horizontal", HORIZONTAL);
-	declare("vertical", VERTICAL);
-}
-
 //
 // LLLayoutPanel
 //
@@ -141,7 +135,7 @@ S32 LLLayoutPanel::getVisibleDim() const
 						+ (((F32)mTargetDim - min_dim) * (1.f - mCollapseAmt))));
 }
  
-void LLLayoutPanel::setOrientation( LLLayoutStack::ELayoutOrientation orientation )
+void LLLayoutPanel::setOrientation( LLView::EOrientation orientation )
 {
 	mOrientation = orientation;
 	S32 layout_dim = llround((F32)((mOrientation == LLLayoutStack::HORIZONTAL)
@@ -592,7 +586,7 @@ bool LLLayoutStack::animatePanels()
 			{
 				if (!mAnimatedThisFrame)
 				{
-					panelp->mVisibleAmt = lerp(panelp->mVisibleAmt, 1.f, LLCriticalDamp::getInterpolant(mOpenTimeConstant));
+					panelp->mVisibleAmt = lerp(panelp->mVisibleAmt, 1.f, LLSmoothInterpolation::getInterpolant(mOpenTimeConstant));
 					if (panelp->mVisibleAmt > 0.99f)
 					{
 						panelp->mVisibleAmt = 1.f;
@@ -617,7 +611,7 @@ bool LLLayoutStack::animatePanels()
 			{
 				if (!mAnimatedThisFrame)
 				{
-					panelp->mVisibleAmt = lerp(panelp->mVisibleAmt, 0.f, LLCriticalDamp::getInterpolant(mCloseTimeConstant));
+					panelp->mVisibleAmt = lerp(panelp->mVisibleAmt, 0.f, LLSmoothInterpolation::getInterpolant(mCloseTimeConstant));
 					if (panelp->mVisibleAmt < 0.001f)
 					{
 						panelp->mVisibleAmt = 0.f;
@@ -644,7 +638,7 @@ bool LLLayoutStack::animatePanels()
 			{
 				if (!mAnimatedThisFrame)
 				{
-					panelp->mCollapseAmt = lerp(panelp->mCollapseAmt, collapse_state, LLCriticalDamp::getInterpolant(mCloseTimeConstant));
+					panelp->mCollapseAmt = lerp(panelp->mCollapseAmt, collapse_state, LLSmoothInterpolation::getInterpolant(mCloseTimeConstant));
 				}
 			
 				if (llabs(panelp->mCollapseAmt - collapse_state) < 0.001f)
diff --git a/indra/llui/lllayoutstack.h b/indra/llui/lllayoutstack.h
index 648cd5fdce..f1668d7473 100644
--- a/indra/llui/lllayoutstack.h
+++ b/indra/llui/lllayoutstack.h
@@ -37,24 +37,13 @@ class LLLayoutPanel;
 class LLLayoutStack : public LLView, public LLInstanceTracker<LLLayoutStack>
 {
 public:
-	typedef enum e_layout_orientation
-	{
-		HORIZONTAL,
-		VERTICAL
-	} ELayoutOrientation;
-
-	struct OrientationNames
-	:	public LLInitParam::TypeValuesHelper<ELayoutOrientation, OrientationNames>
-	{
-		static void declareValues();
-	};
 
 	struct LayoutStackRegistry : public LLChildRegistry<LayoutStackRegistry>
 	{};
 
 	struct Params : public LLInitParam::Block<Params, LLView::Params>
 	{
-		Mandatory<ELayoutOrientation, OrientationNames>	orientation;
+		Mandatory<EOrientation>	orientation;
 		Optional<S32>			border_size;
 		Optional<bool>			animate,
 								clip;
@@ -104,7 +93,7 @@ private:
 	bool animatePanels();
 	void createResizeBar(LLLayoutPanel* panel);
 
-	const ELayoutOrientation mOrientation;
+	const EOrientation mOrientation;
 
 	typedef std::vector<LLLayoutPanel*> e_panel_list_t;
 	e_panel_list_t mPanels;
@@ -179,7 +168,7 @@ public:
 	F32 getVisibleAmount() const;
 	S32 getVisibleDim() const;
 
-	void setOrientation(LLLayoutStack::ELayoutOrientation orientation);
+	void setOrientation(LLView::EOrientation orientation);
 	void storeOriginalDim();
 
 	void setIgnoreReshape(bool ignore) { mIgnoreReshape = ignore; }
@@ -198,7 +187,7 @@ protected:
 	F32		mFractionalSize;
 	S32		mTargetDim;
 	bool	mIgnoreReshape;
-	LLLayoutStack::ELayoutOrientation mOrientation;
+	LLView::EOrientation mOrientation;
 	class LLResizeBar* mResizeBar;
 };
 
diff --git a/indra/llui/llmenugl.cpp b/indra/llui/llmenugl.cpp
index cd6cc6a75e..13888920f9 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, LLSmoothInterpolation::getInterpolant(0.05f))));
 	}
 	LLFloater::draw();
 }
diff --git a/indra/llui/llmultifloater.h b/indra/llui/llmultifloater.h
index 9fa917eca1..6c97f80e31 100644
--- a/indra/llui/llmultifloater.h
+++ b/indra/llui/llmultifloater.h
@@ -96,6 +96,3 @@ protected:
 };
 
 #endif  // LL_MULTI_FLOATER_H
-
-
-
diff --git a/indra/llui/llnotifications.cpp b/indra/llui/llnotifications.cpp
index 2bf88532c6..269cb4676a 100644
--- a/indra/llui/llnotifications.cpp
+++ b/indra/llui/llnotifications.cpp
@@ -464,7 +464,7 @@ LLNotification::LLNotification(const LLNotification::Params& p) :
 	mTimestamp(p.time_stamp), 
 	mSubstitutions(p.substitutions),
 	mPayload(p.payload),
-	mExpiresAt(0),
+	mExpiresAt(0.0),
 	mTemporaryResponder(false),
 	mRespondedTo(false),
 	mPriority(p.priority),
diff --git a/indra/llui/llpanel.cpp b/indra/llui/llpanel.cpp
index 67472ad166..188a0fea74 100644
--- a/indra/llui/llpanel.cpp
+++ b/indra/llui/llpanel.cpp
@@ -520,7 +520,7 @@ BOOL LLPanel::initPanelXML(LLXMLNodePtr node, LLView *parent, LLXMLNodePtr outpu
 				Params output_params(params);
 				setupParamsForExport(output_params, parent);
 				output_node->setName(node->getName()->mString);
-				parser.writeXUI(output_node, output_params, &default_params);
+				parser.writeXUI(output_node, output_params, LLInitParam::default_parse_rules(), &default_params);
 				return TRUE;
 			}
 		
@@ -551,7 +551,7 @@ BOOL LLPanel::initPanelXML(LLXMLNodePtr node, LLView *parent, LLXMLNodePtr outpu
 			Params output_params(params);
 			setupParamsForExport(output_params, parent);
 			output_node->setName(node->getName()->mString);
-			parser.writeXUI(output_node, output_params, &default_params);
+			parser.writeXUI(output_node, output_params, LLInitParam::default_parse_rules(), &default_params);
 		}
 		
 		params.from_xui = true;
diff --git a/indra/llui/llscrollbar.cpp b/indra/llui/llscrollbar.cpp
index 5d3bf7a670..92a80c73fe 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, LLSmoothInterpolation::getInterpolant(0.05f));
 	}
 	else
 	{
-		mCurGlowStrength = lerp(mCurGlowStrength, 0.f, LLCriticalDamp::getInterpolant(0.05f));
+		mCurGlowStrength = lerp(mCurGlowStrength, 0.f, LLSmoothInterpolation::getInterpolant(0.05f));
 	}
 
 	// Draw background and thumb.
diff --git a/indra/llui/llscrollbar.h b/indra/llui/llscrollbar.h
index ff74f753b9..3f3ca1378b 100644
--- a/indra/llui/llscrollbar.h
+++ b/indra/llui/llscrollbar.h
@@ -40,13 +40,11 @@ class LLScrollbar
 {
 public:
 
-	enum ORIENTATION { HORIZONTAL, VERTICAL };
-	
 	typedef boost::function<void (S32, LLScrollbar*)> callback_t;
 	struct Params 
 	:	public LLInitParam::Block<Params, LLUICtrl::Params>
 	{
-		Mandatory<ORIENTATION>			orientation;
+		Mandatory<EOrientation>			orientation;
 		Mandatory<S32>					doc_size;
 		Mandatory<S32>					doc_pos;
 		Mandatory<S32>					page_size;
@@ -131,7 +129,7 @@ private:
 
 	callback_t			mChangeCallback;
 
-	const ORIENTATION	mOrientation;	
+	const EOrientation	mOrientation;	
 	S32					mDocSize;		// Size of the document that the scrollbar is modeling.  Units depend on the user.  0 <= mDocSize.
 	S32					mDocPos;		// Position within the doc that the scrollbar is modeling, in "lines" (user size)
 	S32					mPageSize;		// Maximum number of lines that can be seen at one time.
diff --git a/indra/llui/llscrollcontainer.cpp b/indra/llui/llscrollcontainer.cpp
index 2fd187a526..2abfb15494 100644
--- a/indra/llui/llscrollcontainer.cpp
+++ b/indra/llui/llscrollcontainer.cpp
@@ -140,7 +140,7 @@ LLScrollContainer::~LLScrollContainer( void )
 {
 	// mScrolledView and mScrollbar are child views, so the LLView
 	// destructor takes care of memory deallocation.
-	for( S32 i = 0; i < SCROLLBAR_COUNT; i++ )
+	for( S32 i = 0; i < ORIENTATION_COUNT; i++ )
 	{
 		mScrollbar[i] = NULL;
 	}
@@ -211,7 +211,7 @@ BOOL LLScrollContainer::handleKeyHere(KEY key, MASK mask)
 	{
 		return TRUE;
 	}
-	for( S32 i = 0; i < SCROLLBAR_COUNT; i++ )
+	for( S32 i = 0; i < ORIENTATION_COUNT; i++ )
 	{
 		if( mScrollbar[i]->handleKeyHere(key, mask) )
 		{
diff --git a/indra/llui/llscrollcontainer.h b/indra/llui/llscrollcontainer.h
index d87c95b3d7..f9ce4a74ef 100644
--- a/indra/llui/llscrollcontainer.h
+++ b/indra/llui/llscrollcontainer.h
@@ -56,7 +56,6 @@ class LLScrollContainer : public LLUICtrl
 public:
 	// Note: vertical comes before horizontal because vertical
 	// scrollbars have priority for mouse and keyboard events.
-	enum SCROLL_ORIENTATION { VERTICAL, HORIZONTAL, SCROLLBAR_COUNT };
 
 	struct Params : public LLInitParam::Block<Params, LLUICtrl::Params>
 	{
@@ -126,7 +125,7 @@ private:
 	void updateScroll();
 	void calcVisibleSize( S32 *visible_width, S32 *visible_height, BOOL* show_h_scrollbar, BOOL* show_v_scrollbar ) const;
 
-	LLScrollbar* mScrollbar[SCROLLBAR_COUNT];
+	LLScrollbar* mScrollbar[ORIENTATION_COUNT];
 	S32			mSize;
 	BOOL		mIsOpaque;
 	LLUIColor	mBackgroundColor;
diff --git a/indra/llui/llslider.h b/indra/llui/llslider.h
index 700c17ea3e..3b492d8182 100644
--- a/indra/llui/llslider.h
+++ b/indra/llui/llslider.h
@@ -34,8 +34,6 @@
 class LLSlider : public LLF32UICtrl
 {
 public:
-	enum ORIENTATION { HORIZONTAL, VERTICAL };
-
 	struct Params : public LLInitParam::Block<Params, LLF32UICtrl::Params>
 	{
 		Optional<std::string> orientation;
@@ -98,7 +96,7 @@ private:
 	LLPointer<LLUIImage>	mTrackHighlightHorizontalImage;
 	LLPointer<LLUIImage>	mTrackHighlightVerticalImage;
 
-	const ORIENTATION	mOrientation;
+	const EOrientation	mOrientation;
 
 	LLRect		mThumbRect;
 	LLUIColor	mTrackColor;
diff --git a/indra/llui/llstatbar.cpp b/indra/llui/llstatbar.cpp
index 04cce7878e..cda40aac72 100644
--- a/indra/llui/llstatbar.cpp
+++ b/indra/llui/llstatbar.cpp
@@ -34,8 +34,9 @@
 #include "llgl.h"
 #include "llfontgl.h"
 
-#include "llstat.h"
 #include "lluictrlfactory.h"
+#include "lltracerecording.h"
+#include "llcriticaldamp.h"
 
 ///////////////////////////////////////////////////////////////////////////////////
 
@@ -45,17 +46,25 @@ LLStatBar::LLStatBar(const Params& p)
 	  mUnitLabel(p.unit_label),
 	  mMinBar(p.bar_min),
 	  mMaxBar(p.bar_max),
-	  mStatp(LLStat::getStat(p.stat)),
+	  mCurMaxBar(p.bar_max),
+	  mCountFloatp(LLTrace::CountStatHandle<>::getInstance(p.stat)),
+	  mCountIntp(LLTrace::CountStatHandle<S64>::getInstance(p.stat)),
+	  mMeasurementFloatp(LLTrace::MeasurementStatHandle<>::getInstance(p.stat)),
+	  mMeasurementIntp(LLTrace::MeasurementStatHandle<S64>::getInstance(p.stat)),
 	  mTickSpacing(p.tick_spacing),
 	  mLabelSpacing(p.label_spacing),
 	  mPrecision(p.precision),
 	  mUpdatesPerSec(p.update_rate),
+	  mUnitScale(p.unit_scale),
+	  mNumFrames(p.num_frames),
+	  mMaxHeight(p.max_height),
 	  mPerSec(p.show_per_sec),
 	  mDisplayBar(p.show_bar),
 	  mDisplayHistory(p.show_history),
-	  mDisplayMean(p.show_mean)
-{
-}
+	  mDisplayMean(p.show_mean),
+	  mOrientation(p.orientation),
+	  mScaleRange(p.scale_range)
+{}
 
 BOOL LLStatBar::handleMouseDown(S32 x, S32 y, MASK mask)
 {
@@ -79,34 +88,84 @@ BOOL LLStatBar::handleMouseDown(S32 x, S32 y, MASK mask)
 	LLView* parent = getParent();
 	parent->reshape(parent->getRect().getWidth(), parent->getRect().getHeight(), FALSE);
 
-	return FALSE;
+	return TRUE;
 }
 
 void LLStatBar::draw()
 {
-	if (!mStatp)
+	F32 current = 0.f, 
+		min = 0.f, 
+		max = 0.f,
+		mean = 0.f;
+
+	S32 num_samples = 0;
+	LLTrace::PeriodicRecording& frame_recording = LLTrace::get_frame_recording();
+
+	if (mCountFloatp)
 	{
-//		llinfos << "No stats for statistics bar!" << llendl;
-		return;
+		LLTrace::Recording& last_frame_recording = frame_recording.getLastRecordingPeriod(); 
+
+		if (mPerSec)
+		{
+			current = last_frame_recording.getPerSec(*mCountFloatp);
+			min = frame_recording.getPeriodMinPerSec(*mCountFloatp);
+			max = frame_recording.getPeriodMaxPerSec(*mCountFloatp);
+			mean = frame_recording.getPeriodMeanPerSec(*mCountFloatp);
+			num_samples = frame_recording.getTotalRecording().getSampleCount(*mCountFloatp);
+		}
+		else
+		{
+			current = last_frame_recording.getSum(*mCountFloatp);
+			min = frame_recording.getPeriodMin(*mCountFloatp);
+			max = frame_recording.getPeriodMax(*mCountFloatp);
+			mean = frame_recording.getPeriodMean(*mCountFloatp);
+			num_samples = frame_recording.getTotalRecording().getSampleCount(*mCountFloatp);
+		}
 	}
+	else if (mCountIntp)
+	{
+		LLTrace::Recording& last_frame_recording = frame_recording.getLastRecordingPeriod(); 
 
-	// Get the values.
-	F32 current, min, max, mean;
-	if (mPerSec)
+		if (mPerSec)
+		{
+			current = last_frame_recording.getPerSec(*mCountIntp);
+			min = frame_recording.getPeriodMinPerSec(*mCountIntp);
+			max = frame_recording.getPeriodMaxPerSec(*mCountIntp);
+			mean = frame_recording.getPeriodMeanPerSec(*mCountIntp);
+			num_samples = frame_recording.getTotalRecording().getSampleCount(*mCountIntp);
+		}
+		else
+		{
+			current = last_frame_recording.getSum(*mCountIntp);
+			min = frame_recording.getPeriodMin(*mCountIntp);
+			max = frame_recording.getPeriodMax(*mCountIntp);
+			mean = frame_recording.getPeriodMean(*mCountIntp);
+			num_samples = frame_recording.getTotalRecording().getSampleCount(*mCountIntp);
+		}
+	}
+	else if (mMeasurementFloatp)
 	{
-		current = mStatp->getCurrentPerSec();
-		min = mStatp->getMinPerSec();
-		max = mStatp->getMaxPerSec();
-		mean = mStatp->getMeanPerSec();
+		LLTrace::Recording& recording = frame_recording.getTotalRecording();
+		current = recording.getLastValue(*mMeasurementFloatp);
+		min = recording.getMin(*mMeasurementFloatp);
+		max = recording.getMax(*mMeasurementFloatp);
+		mean = recording.getMean(*mMeasurementFloatp);
+		num_samples = frame_recording.getTotalRecording().getSampleCount(*mMeasurementFloatp);
 	}
-	else
+	else if (mMeasurementIntp)
 	{
-		current = mStatp->getCurrent();
-		min = mStatp->getMin();
-		max = mStatp->getMax();
-		mean = mStatp->getMean();
+		LLTrace::Recording& recording = frame_recording.getTotalRecording();
+		current = recording.getLastValue(*mMeasurementIntp);
+		min = recording.getMin(*mMeasurementIntp);
+		max = recording.getMax(*mMeasurementIntp);
+		mean = recording.getMean(*mMeasurementIntp);
+		num_samples = frame_recording.getTotalRecording().getSampleCount(*mMeasurementIntp);
 	}
 
+	current *= mUnitScale;
+	min *= mUnitScale;
+	max *= mUnitScale;
+	mean *= mUnitScale;
 
 	if ((mUpdatesPerSec == 0.f) || (mUpdateTimer.getElapsedTimeF32() > 1.f/mUpdatesPerSec) || (mValue == 0.f))
 	{
@@ -121,15 +180,41 @@ void LLStatBar::draw()
 		mUpdateTimer.reset();
 	}
 
-	S32 width = getRect().getWidth() - 40;
-	S32 max_width = width;
-	S32 bar_top = getRect().getHeight() - 15; // 16 pixels from top.
-	S32 bar_height = bar_top - 20;
-	S32 tick_height = 4;
-	S32 tick_width = 1;
-	S32 left, top, right, bottom;
+	S32 bar_top, bar_left, bar_right, bar_bottom;
+	if (mOrientation == HORIZONTAL)
+	{
+		bar_top = llmax(5, getRect().getHeight() - 15); 
+		bar_left = 0;
+		bar_right = getRect().getWidth() - 40;
+		bar_bottom = llmin(bar_top - 5, 0);
+	}
+	else // VERTICAL
+	{
+		bar_top = llmax(5, getRect().getHeight() - 15); 
+		bar_left = 0;
+		bar_right = getRect().getWidth();
+		bar_bottom = llmin(bar_top - 5, 20);
+	}
+	const S32 tick_length = 4;
+	const S32 tick_width = 1;
+
+	if (mScaleRange && num_samples)
+	{
+		F32 cur_max = mLabelSpacing;
+		while(max > cur_max)
+		{
+			cur_max += mLabelSpacing;
+		}
+		mCurMaxBar = LLSmoothInterpolation::lerp(mCurMaxBar, cur_max, 0.05f);
+	}
+	else
+	{
+		mCurMaxBar = mMaxBar;
+	}
 
-	F32 value_scale = max_width/(mMaxBar - mMinBar);
+	F32 value_scale = (mOrientation == HORIZONTAL) 
+					? (bar_top - bar_bottom)/(mCurMaxBar - mMinBar)
+					: (bar_right - bar_left)/(mCurMaxBar - mMinBar);
 
 	LLFontGL::getFontMonospace()->renderUTF8(mLabel, 0, 0, getRect().getHeight(), LLColor4(1.f, 1.f, 1.f, 1.f),
 											 LLFontGL::LEFT, LLFontGL::TOP);
@@ -148,114 +233,230 @@ void LLStatBar::draw()
 	}
 
 	// Draw the value.
-	LLFontGL::getFontMonospace()->renderUTF8(value_str, 0, width, getRect().getHeight(), 
-											 LLColor4(1.f, 1.f, 1.f, 0.5f),
-											 LLFontGL::RIGHT, LLFontGL::TOP);
+	if (mOrientation == HORIZONTAL)
+	{
+		LLFontGL::getFontMonospace()->renderUTF8(value_str, 0, bar_right, getRect().getHeight(), 
+			LLColor4(1.f, 1.f, 1.f, 0.5f),
+			LLFontGL::RIGHT, LLFontGL::TOP);
+	}
+	else
+	{
+		LLFontGL::getFontMonospace()->renderUTF8(value_str, 0, bar_right, getRect().getHeight(), 
+			LLColor4(1.f, 1.f, 1.f, 0.5f),
+			LLFontGL::RIGHT, LLFontGL::TOP);
+	}
 
 	value_format = llformat( "%%.%df", mPrecision);
-	if (mDisplayBar)
+	if (mDisplayBar && (mCountFloatp || mCountIntp || mMeasurementFloatp || mMeasurementIntp))
 	{
 		std::string tick_label;
 
 		// Draw the tick marks.
-		F32 tick_value;
-		top = bar_top;
-		bottom = bar_top - bar_height - tick_height/2;
-
 		LLGLSUIDefault gls_ui;
 		gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
 
-		for (tick_value = mMinBar; tick_value <= mMaxBar; tick_value += mTickSpacing)
+		for (F32 tick_value = mMinBar + mLabelSpacing; tick_value <= mCurMaxBar; tick_value += mTickSpacing)
 		{
-			left = llfloor((tick_value - mMinBar)*value_scale);
-			right = left + tick_width;
-			gl_rect_2d(left, top, right, bottom, LLColor4(1.f, 1.f, 1.f, 0.1f));
+			const S32 begin = llfloor((tick_value - mMinBar)*value_scale);
+			const S32 end = begin + tick_width;
+			if (mOrientation == HORIZONTAL)
+			{
+				gl_rect_2d(bar_left, end, bar_right - tick_length/2, begin, LLColor4(1.f, 1.f, 1.f, 0.1f));
+			}
+			else
+			{
+				gl_rect_2d(begin, bar_top, end, bar_bottom - tick_length/2, LLColor4(1.f, 1.f, 1.f, 0.1f));
+			}
 		}
 
 		// Draw the tick labels (and big ticks).
-		bottom = bar_top - bar_height - tick_height;
-		for (tick_value = mMinBar; tick_value <= mMaxBar; tick_value += mLabelSpacing)
+		for (F32 tick_value = mMinBar + mLabelSpacing; tick_value <= mCurMaxBar; tick_value += mLabelSpacing)
 		{
-			left = llfloor((tick_value - mMinBar)*value_scale);
-			right = left + tick_width;
-			gl_rect_2d(left, top, right, bottom, LLColor4(1.f, 1.f, 1.f, 0.25f));
-
+			const S32 begin = llfloor((tick_value - mMinBar)*value_scale);
+			const S32 end = begin + tick_width;
 			tick_label = llformat( value_format.c_str(), tick_value);
+
 			// draw labels for the tick marks
-			LLFontGL::getFontMonospace()->renderUTF8(tick_label, 0, left - 1, bar_top - bar_height - tick_height,
-													 LLColor4(1.f, 1.f, 1.f, 0.5f),
-													 LLFontGL::LEFT, LLFontGL::TOP);
+			if (mOrientation == HORIZONTAL)
+			{
+				gl_rect_2d(bar_left, end, bar_right - tick_length, begin, LLColor4(1.f, 1.f, 1.f, 0.25f));
+				LLFontGL::getFontMonospace()->renderUTF8(tick_label, 0, bar_right, begin,
+					LLColor4(1.f, 1.f, 1.f, 0.5f),
+					LLFontGL::LEFT, LLFontGL::VCENTER);
+			}
+			else
+			{
+				gl_rect_2d(begin, bar_top, end, bar_bottom - tick_length, LLColor4(1.f, 1.f, 1.f, 0.25f));
+				LLFontGL::getFontMonospace()->renderUTF8(tick_label, 0, begin - 1, bar_bottom - tick_length,
+					LLColor4(1.f, 1.f, 1.f, 0.5f),
+					LLFontGL::RIGHT, LLFontGL::TOP);
+			}
 		}
 
-		// Now, draw the bars
-		top = bar_top;
-		bottom = bar_top - bar_height;
-
 		// draw background bar.
-		left = 0;
-		right = width;
-		gl_rect_2d(left, top, right, bottom, LLColor4(0.f, 0.f, 0.f, 0.25f));
+		gl_rect_2d(bar_left, bar_top, bar_right, bar_bottom, LLColor4(0.f, 0.f, 0.f, 0.25f));
 
-		if (mStatp->getNumValues() == 0)
+		if (frame_recording.getNumPeriods() == 0)
 		{
 			// No data, don't draw anything...
 			return;
 		}
+
 		// draw min and max
-		left = (S32) ((min - mMinBar) * value_scale);
+		S32 begin = (S32) ((min - mMinBar) * value_scale);
 
-		if (left < 0)
+		if (begin < 0)
 		{
-			left = 0;
+			begin = 0;
 			llwarns << "Min:" << min << llendl;
 		}
 
-		right = (S32) ((max - mMinBar) * value_scale);
-		gl_rect_2d(left, top, right, bottom, LLColor4(1.f, 0.f, 0.f, 0.25f));
+		S32 end = (S32) ((max - mMinBar) * value_scale);
+		if (mOrientation == HORIZONTAL)
+		{
+			gl_rect_2d(bar_left, end, bar_right, begin, LLColor4(1.f, 0.f, 0.f, 0.25f));
+		}
+		else // VERTICAL
+		{
+			gl_rect_2d(begin, bar_top, end, bar_bottom, LLColor4(1.f, 0.f, 0.f, 0.25f));
+		}
+
+		F32 span = (mOrientation == HORIZONTAL)
+					? (bar_right - bar_left)
+					: (bar_top - bar_bottom);
 
-		S32 num_values = mStatp->getNumValues() - 1;
-		if (mDisplayHistory)
+		if (mDisplayHistory && (mCountFloatp || mCountIntp || mMeasurementFloatp || mMeasurementIntp))
 		{
+			const S32 num_values = frame_recording.getNumPeriods() - 1;
+			F32 begin = 0;
+			F32 end = 0;
 			S32 i;
-			for (i = 0; i < num_values; i++)
+			gGL.color4f( 1.f, 0.f, 0.f, 1.f );
+			gGL.begin( LLRender::QUADS );
+			const S32 max_frame = llmin(mNumFrames, num_values);
+			U32 num_samples = 0;
+			for (i = 1; i <= max_frame; i++)
 			{
-				if (i == mStatp->getNextBin())
+				F32 offset = ((F32)i / (F32)mNumFrames) * span;
+				LLTrace::Recording& recording = frame_recording.getPrevRecordingPeriod(i);
+				if (mPerSec)
 				{
-					continue;
+					if (mCountFloatp)
+					{
+						begin = ((recording.getPerSec(*mCountFloatp)  - mMinBar) * value_scale);
+						end = ((recording.getPerSec(*mCountFloatp)  - mMinBar) * value_scale) + 1;
+						num_samples = recording.getSampleCount(*mCountFloatp);
+					}
+					else if (mCountIntp)
+					{
+						begin = ((recording.getPerSec(*mCountIntp)  - mMinBar) * value_scale);
+						end = ((recording.getPerSec(*mCountIntp)  - mMinBar) * value_scale) + 1;
+						num_samples = recording.getSampleCount(*mCountIntp);
+					}
+					else if (mMeasurementFloatp)
+					{
+						//rate isn't defined for measurement stats, so use mean
+						begin = ((recording.getMean(*mMeasurementFloatp)  - mMinBar) * value_scale);
+						end = ((recording.getMean(*mMeasurementFloatp)  - mMinBar) * value_scale) + 1;
+						num_samples = recording.getSampleCount(*mMeasurementFloatp);
+					}
+					else if (mMeasurementIntp)
+					{
+						//rate isn't defined for measurement stats, so use mean
+						begin = ((recording.getMean(*mMeasurementIntp)  - mMinBar) * value_scale);
+						end = ((recording.getMean(*mMeasurementIntp)  - mMinBar) * value_scale) + 1;
+						num_samples = recording.getSampleCount(*mMeasurementIntp);
+					}
 				}
-				if (mPerSec)
+				else
 				{
-					left = (S32)((mStatp->getPrevPerSec(i) - mMinBar) * value_scale);
-					right = (S32)((mStatp->getPrevPerSec(i) - mMinBar) * value_scale) + 1;
-					gl_rect_2d(left, bottom+i+1, right, bottom+i, LLColor4(1.f, 0.f, 0.f, 1.f));
+					if (mCountFloatp)
+					{
+						begin = ((recording.getSum(*mCountFloatp)  - mMinBar) * value_scale);
+						end = ((recording.getSum(*mCountFloatp)  - mMinBar) * value_scale) + 1;
+						num_samples = recording.getSampleCount(*mCountFloatp);
+					}
+					else if (mCountIntp)
+					{
+						begin = ((recording.getSum(*mCountIntp)  - mMinBar) * value_scale);
+						end = ((recording.getSum(*mCountIntp)  - mMinBar) * value_scale) + 1;
+						num_samples = recording.getSampleCount(*mCountIntp);
+					}
+					else if (mMeasurementFloatp)
+					{
+						begin = ((recording.getMean(*mMeasurementFloatp)  - mMinBar) * value_scale);
+						end = ((recording.getMean(*mMeasurementFloatp)  - mMinBar) * value_scale) + 1;
+						num_samples = recording.getSampleCount(*mMeasurementFloatp);
+					}
+					else if (mMeasurementIntp)
+					{
+						begin = ((recording.getMean(*mMeasurementIntp)  - mMinBar) * value_scale);
+						end = ((recording.getMean(*mMeasurementIntp)  - mMinBar) * value_scale) + 1;
+						num_samples = recording.getSampleCount(*mMeasurementIntp);
+					}
+				}
+				
+				if (!num_samples) continue;
+
+				if (mOrientation == HORIZONTAL)
+				{
+					gGL.vertex2f((F32)bar_right - offset, end);
+					gGL.vertex2f((F32)bar_right - offset, begin);
+					gGL.vertex2f((F32)bar_right - offset - 1.f, begin);
+					gGL.vertex2f((F32)bar_right - offset - 1.f, end);
 				}
 				else
 				{
-					left = (S32)((mStatp->getPrev(i) - mMinBar) * value_scale);
-					right = (S32)((mStatp->getPrev(i) - mMinBar) * value_scale) + 1;
-					gl_rect_2d(left, bottom+i+1, right, bottom+i, LLColor4(1.f, 0.f, 0.f, 1.f));
+					gGL.vertex2i(begin, (F32)bar_bottom+offset+1.f);
+					gGL.vertex2i(begin, (F32)bar_bottom+offset);
+					gGL.vertex2i(end, (F32)bar_bottom+offset);
+					gGL.vertex2i(end, (F32)bar_bottom+offset+1.f);
 				}
 			}
+			gGL.end();
 		}
 		else
 		{
+			S32 begin = (S32) ((current - mMinBar) * value_scale) - 1;
+			S32 end = (S32) ((current - mMinBar) * value_scale) + 1;
 			// draw current
-			left = (S32) ((current - mMinBar) * value_scale) - 1;
-			right = (S32) ((current - mMinBar) * value_scale) + 1;
-			gl_rect_2d(left, top, right, bottom, LLColor4(1.f, 0.f, 0.f, 1.f));
+			if (mOrientation == HORIZONTAL)
+			{
+				gl_rect_2d(bar_left, end, bar_right, begin, LLColor4(1.f, 0.f, 0.f, 1.f));
+			}
+			else
+			{
+				gl_rect_2d(begin, bar_top, end, bar_bottom, LLColor4(1.f, 0.f, 0.f, 1.f));
+			}
 		}
 
 		// draw mean bar
-		top = bar_top + 2;
-		bottom = bar_top - bar_height - 2;
-		left = (S32) ((mean - mMinBar) * value_scale) - 1;
-		right = (S32) ((mean - mMinBar) * value_scale) + 1;
-		gl_rect_2d(left, top, right, bottom, LLColor4(0.f, 1.f, 0.f, 1.f));
+		{
+			const S32 begin = (S32) ((mean - mMinBar) * value_scale) - 1;
+			const S32 end = (S32) ((mean - mMinBar) * value_scale) + 1;
+			if (mOrientation == HORIZONTAL)
+			{
+				gl_rect_2d(bar_left - 2, begin, bar_right + 2, end, LLColor4(0.f, 1.f, 0.f, 1.f));
+			}
+			else
+			{
+				gl_rect_2d(begin, bar_top + 2, end, bar_bottom - 2, LLColor4(0.f, 1.f, 0.f, 1.f));
+			}
+		}
 	}
 	
 	LLView::draw();
 }
 
+void LLStatBar::setStat(const std::string& stat_name)
+{
+	mCountFloatp = LLTrace::CountStatHandle<>::getInstance(stat_name);
+	mCountIntp = LLTrace::CountStatHandle<S64>::getInstance(stat_name);
+	mMeasurementFloatp = LLTrace::MeasurementStatHandle<>::getInstance(stat_name);
+	mMeasurementIntp = LLTrace::MeasurementStatHandle<S64>::getInstance(stat_name);
+}
+
+
 void LLStatBar::setRange(F32 bar_min, F32 bar_max, F32 tick_spacing, F32 label_spacing)
 {
 	mMinBar = bar_min;
@@ -272,7 +473,14 @@ LLRect LLStatBar::getRequiredRect()
 	{
 		if (mDisplayHistory)
 		{
-			rect.mTop = 35 + mStatp->getNumBins();
+			if (mOrientation == HORIZONTAL)
+			{
+				rect.mTop = mMaxHeight;
+			}
+			else
+			{
+				rect.mTop = 35 + llmin(mMaxHeight, llmin(mNumFrames, (S32)LLTrace::get_frame_recording().getNumPeriods()));
+			}
 		}
 		else
 		{
diff --git a/indra/llui/llstatbar.h b/indra/llui/llstatbar.h
index 513fff3234..74a3ebde2f 100644
--- a/indra/llui/llstatbar.h
+++ b/indra/llui/llstatbar.h
@@ -29,27 +29,37 @@
 
 #include "llview.h"
 #include "llframetimer.h"
-
-class LLStat;
+#include "lltracerecording.h"
 
 class LLStatBar : public LLView
 {
 public:
+
 	struct Params : public LLInitParam::Block<Params, LLView::Params>
 	{
-		Optional<std::string> label;
-		Optional<std::string> unit_label;
-		Optional<F32> bar_min;
-		Optional<F32> bar_max;
-		Optional<F32> tick_spacing;
-		Optional<F32> label_spacing;
-		Optional<U32> precision;
-		Optional<F32> update_rate;
-		Optional<bool> show_per_sec;
-		Optional<bool> show_bar;
-		Optional<bool> show_history;
-		Optional<bool> show_mean;
-		Optional<std::string> stat;
+		Optional<std::string>	label,
+								unit_label;
+
+		Optional<F32>			bar_min,
+								bar_max,
+								tick_spacing,
+								label_spacing,
+								update_rate,
+								unit_scale;
+
+		Optional<U32>			precision;
+
+		Optional<bool>			show_per_sec,
+								show_bar,
+								show_history,
+								show_mean,
+								scale_range;
+
+		Optional<S32>			num_frames,
+								max_height;
+		Optional<std::string>	stat;
+		Optional<EOrientation>	orientation;
+
 		Params()
 			: label("label"),
 			  unit_label("unit_label"),
@@ -59,11 +69,16 @@ public:
 			  label_spacing("label_spacing", 10.0f),
 			  precision("precision", 0),
 			  update_rate("update_rate", 5.0f),
-			  show_per_sec("show_per_sec", TRUE),
-			  show_bar("show_bar", TRUE),
-			  show_history("show_history", FALSE),
-			  show_mean("show_mean", TRUE),
-			  stat("stat")
+			  unit_scale("unit_scale", 1.f),
+			  show_per_sec("show_per_sec", true),
+			  show_bar("show_bar", true),
+			  show_history("show_history", false),
+			  show_mean("show_mean", true),
+			  scale_range("scale_range", true),
+			  num_frames("num_frames", 300),
+			  max_height("max_height", 200),
+			  stat("stat"),
+			  orientation("orientation", VERTICAL)
 		{
 			changeDefault(follows.flags, FOLLOWS_TOP | FOLLOWS_LEFT);
 		}
@@ -73,30 +88,40 @@ public:
 	virtual void draw();
 	virtual BOOL handleMouseDown(S32 x, S32 y, MASK mask);
 
-	void setStat(LLStat* stat) { mStatp = stat; }
+	void setStat(const std::string& stat_name);
+
 	void setRange(F32 bar_min, F32 bar_max, F32 tick_spacing, F32 label_spacing);
 	void getRange(F32& bar_min, F32& bar_max) { bar_min = mMinBar; bar_max = mMaxBar; }
 	
 	/*virtual*/ LLRect getRequiredRect();	// Return the height of this object, given the set options.
 
 private:
-	F32 mMinBar;
-	F32 mMaxBar;
-	F32 mTickSpacing;
-	F32 mLabelSpacing;
-	U32 mPrecision;
-	F32 mUpdatesPerSec;
-	BOOL mPerSec;				// Use the per sec stats.
-	BOOL mDisplayBar;			// Display the bar graph.
-	BOOL mDisplayHistory;
-	BOOL mDisplayMean;			// If true, display mean, if false, display current value
-
-	LLStat* mStatp;
+	F32          mMinBar;
+	F32          mMaxBar;
+	F32			 mCurMaxBar;
+	F32          mTickSpacing;
+	F32          mLabelSpacing;
+	U32          mPrecision;
+	F32          mUpdatesPerSec;
+	F32          mUnitScale;
+	S32			 mNumFrames;
+	S32			 mMaxHeight;
+	bool         mPerSec;				// Use the per sec stats.
+	bool         mDisplayBar;			// Display the bar graph.
+	bool         mDisplayHistory;
+	bool         mDisplayMean;			// If true, display mean, if false, display current value
+	bool		 mScaleRange;
+	EOrientation mOrientation;
+
+	LLTrace::TraceType<LLTrace::CountAccumulator<F64> >*       mCountFloatp;
+	LLTrace::TraceType<LLTrace::CountAccumulator<S64> >*       mCountIntp;
+	LLTrace::TraceType<LLTrace::MeasurementAccumulator<F64> >* mMeasurementFloatp;
+	LLTrace::TraceType<LLTrace::MeasurementAccumulator<S64> >* mMeasurementIntp;
 
 	LLFrameTimer mUpdateTimer;
-	LLUIString mLabel;
-	std::string mUnitLabel;
-	F32 mValue;
+	LLUIString   mLabel;
+	std::string  mUnitLabel;
+	F32          mValue;
 };
 
 #endif
diff --git a/indra/llui/llstatgraph.cpp b/indra/llui/llstatgraph.cpp
index e44887ebf0..bdb378c9c5 100644
--- a/indra/llui/llstatgraph.cpp
+++ b/indra/llui/llstatgraph.cpp
@@ -32,48 +32,65 @@
 
 #include "llmath.h"
 #include "llui.h"
-#include "llstat.h"
 #include "llgl.h"
 #include "llglheaders.h"
+#include "lltracerecording.h"
+#include "lltracethreadrecorder.h"
 //#include "llviewercontrol.h"
 
 ///////////////////////////////////////////////////////////////////////////////////
 
-LLStatGraph::LLStatGraph(const LLView::Params& p)
-:	LLView(p)
+LLStatGraph::LLStatGraph(const Params& p)
+:	LLView(p),
+	mMin(p.min),
+	mMax(p.max),
+	mPerSec(true),
+	mPrecision(p.precision),
+	mValue(p.value),
+	mNewStatFloatp(p.stat.count_stat_float),
+	mNewStatIntp(p.stat.count_stat_int)
 {
-	mStatp = NULL;
 	setToolTip(p.name());
-	mNumThresholds = 3;
-	mThresholdColors[0] = LLColor4(0.f, 1.f, 0.f, 1.f);
-	mThresholdColors[1] = LLColor4(1.f, 1.f, 0.f, 1.f);
-	mThresholdColors[2] = LLColor4(1.f, 0.f, 0.f, 1.f);
-	mThresholdColors[3] = LLColor4(1.f, 0.f, 0.f, 1.f);
-	mThresholds[0] = 50.f;
-	mThresholds[1] = 75.f;
-	mThresholds[2] = 100.f;
-	mMin = 0.f;
-	mMax = 125.f;
-	mPerSec = TRUE;
-	mValue = 0.f;
-	mPrecision = 0;
+
+	for(LLInitParam::ParamIterator<ThresholdParams>::const_iterator it = p.thresholds.threshold.begin(), end_it = p.thresholds.threshold.end();
+		it != end_it;
+		++it)
+	{
+		mThresholds.push_back(Threshold(it->value(), it->color));
+	}
 }
 
 void LLStatGraph::draw()
 {
 	F32 range, frac;
 	range = mMax - mMin;
-	if (mStatp)
+	if (mNewStatFloatp)
+	{
+		LLTrace::Recording& recording = LLTrace::get_frame_recording().getLastRecordingPeriod();
+
+		if (mPerSec)
+		{
+			mValue = recording.getPerSec(*mNewStatFloatp);
+		}
+		else
+		{
+			mValue = recording.getSum(*mNewStatFloatp);
+		}
+	}
+	else if (mNewStatIntp)
 	{
+		LLTrace::Recording& recording = LLTrace::get_frame_recording().getLastRecordingPeriod();
+
 		if (mPerSec)
 		{
-			mValue = mStatp->getMeanPerSec();
+			mValue = recording.getPerSec(*mNewStatIntp);
 		}
 		else
 		{
-			mValue = mStatp->getMean();
+			mValue = recording.getSum(*mNewStatIntp);
 		}
 	}
+
 	frac = (mValue - mMin) / range;
 	frac = llmax(0.f, frac);
 	frac = llmin(1.f, frac);
@@ -91,19 +108,13 @@ void LLStatGraph::draw()
 
 	LLColor4 color;
 
-	S32 i;
-	for (i = 0; i < mNumThresholds - 1; i++)
+	threshold_vec_t::iterator it = std::lower_bound(mThresholds.begin(), mThresholds.end(), Threshold(mValue / mMax, LLUIColor()));
+
+	if (it != mThresholds.begin())
 	{
-		if (mThresholds[i] > mValue)
-		{
-			break;
-		}
+		it--;
 	}
 
-	//gl_drop_shadow(0,  getRect().getHeight(), getRect().getWidth(), 0,
-	//				LLUIColorTable::instance().getColor("ColorDropShadow"), 
-	//				(S32) gSavedSettings.getF32("DropShadowFloater") );
-
 	color = LLUIColorTable::instance().getColor( "MenuDefaultBgColor" );
 	gGL.color4fv(color.mV);
 	gl_rect_2d(0, getRect().getHeight(), getRect().getWidth(), 0, TRUE);
@@ -111,16 +122,11 @@ void LLStatGraph::draw()
 	gGL.color4fv(LLColor4::black.mV);
 	gl_rect_2d(0, getRect().getHeight(), getRect().getWidth(), 0, FALSE);
 	
-	color = mThresholdColors[i];
+	color = it->mColor;
 	gGL.color4fv(color.mV);
 	gl_rect_2d(1, llround(frac*getRect().getHeight()), getRect().getWidth() - 1, 0, TRUE);
 }
 
-void LLStatGraph::setValue(const LLSD& value)
-{
-	mValue = (F32)value.asReal();
-}
-
 void LLStatGraph::setMin(const F32 min)
 {
 	mMin = min;
@@ -131,27 +137,3 @@ void LLStatGraph::setMax(const F32 max)
 	mMax = max;
 }
 
-void LLStatGraph::setStat(LLStat *statp)
-{
-	mStatp = statp;
-}
-
-void LLStatGraph::setLabel(const std::string& label)
-{
-	mLabel = label;
-}
-
-void LLStatGraph::setUnits(const std::string& units)
-{
-	mUnits = units;
-}
-
-void LLStatGraph::setPrecision(const S32 precision)
-{
-	mPrecision = precision;
-}
-
-void LLStatGraph::setThreshold(const S32 i, F32 value)
-{
-	mThresholds[i] = value;
-}
diff --git a/indra/llui/llstatgraph.h b/indra/llui/llstatgraph.h
index 757525e232..c9e33ed902 100644
--- a/indra/llui/llstatgraph.h
+++ b/indra/llui/llstatgraph.h
@@ -30,29 +30,86 @@
 #include "llview.h"
 #include "llframetimer.h"
 #include "v4color.h"
-
-class LLStat;
+#include "lltrace.h"
 
 class LLStatGraph : public LLView
 {
 public:
-	LLStatGraph(const LLView::Params&);
+	struct ThresholdParams : public LLInitParam::Block<ThresholdParams>
+	{
+		Mandatory<F32>	value;
+		Optional<LLUIColor>	color;
 
-	virtual void draw();
+		ThresholdParams()
+		:	value("value"),
+			color("color", LLColor4::white)
+		{}
+	};
+
+	struct Thresholds : public LLInitParam::Block<Thresholds>
+	{
+		Multiple<ThresholdParams> threshold;
+
+		Thresholds()
+		:	threshold("threshold")
+		{}
+	};
+
+	struct StatParams : public LLInitParam::ChoiceBlock<StatParams>
+	{
+		Alternative<LLTrace::TraceType<LLTrace::CountAccumulator<F64> >* >			count_stat_float;
+		Alternative<LLTrace::TraceType<LLTrace::CountAccumulator<S64> >* >			count_stat_int;
+		Alternative<LLTrace::TraceType<LLTrace::MeasurementAccumulator<F64> >* >	measurement_stat_float;
+		Alternative<LLTrace::TraceType<LLTrace::MeasurementAccumulator<S64> >* >	measurement_stat_int;
+	};
+
+	struct Params : public LLInitParam::Block<Params, LLView::Params>
+	{
+		Mandatory<StatParams>	stat;
+		Optional<std::string>	label,
+								units;
+		Optional<S32>			precision;
+		Optional<F32>			min,
+								max;
+		Optional<bool>			per_sec;
+		Optional<F32>			value;
+
+		Optional<Thresholds>	thresholds;
+
+		Params()
+		:	stat("stat"),
+			label("label"),
+			units("units"),
+			precision("precision", 0),
+			min("min", 0.f),
+			max("max", 125.f),
+			per_sec("per_sec", true),
+			value("value", 0.f),
+			thresholds("thresholds")
+		{
+			Thresholds _thresholds;
+			_thresholds.threshold.add(ThresholdParams().value(0.f).color(LLColor4::green))
+								.add(ThresholdParams().value(0.33f).color(LLColor4::yellow))
+								.add(ThresholdParams().value(0.5f).color(LLColor4::red))
+								.add(ThresholdParams().value(0.75f).color(LLColor4::red));
+			thresholds = _thresholds;
+		}
+	};
+	LLStatGraph(const Params&);
 
-	void setLabel(const std::string& label);
-	void setUnits(const std::string& units);
-	void setPrecision(const S32 precision);
-	void setStat(LLStat *statp);
-	void setThreshold(const S32 i, F32 value);
 	void setMin(const F32 min);
 	void setMax(const F32 max);
 
+	virtual void draw();
+
 	/*virtual*/ void setValue(const LLSD& value);
 	
-	LLStat *mStatp;
-	BOOL mPerSec;
 private:
+	LLTrace::TraceType<LLTrace::CountAccumulator<F64> >*	mNewStatFloatp;
+	LLTrace::TraceType<LLTrace::CountAccumulator<S64> >*	mNewStatIntp;
+
+	BOOL mPerSec;
+
 	F32 mValue;
 
 	F32 mMin;
@@ -62,9 +119,25 @@ private:
 	std::string mUnits;
 	S32 mPrecision; // Num of digits of precision after dot
 
-	S32 mNumThresholds;
-	F32 mThresholds[4];
-	LLColor4 mThresholdColors[4];
+	struct Threshold
+	{
+		Threshold(F32 value, const LLUIColor& color)
+		:	mValue(value),
+			mColor(color)
+		{}
+
+		F32 mValue;
+		LLUIColor mColor;
+		bool operator <(const Threshold& other)
+		{
+			return mValue < other.mValue;
+		}
+	};
+	typedef std::vector<Threshold> threshold_vec_t;
+	threshold_vec_t mThresholds;
+	//S32 mNumThresholds;
+	//F32 mThresholds[4];
+	//LLColor4 mThresholdColors[4];
 };
 
 #endif  // LL_LLSTATGRAPH_H
diff --git a/indra/llui/lltabcontainer.cpp b/indra/llui/lltabcontainer.cpp
index 5fc2cc350d..4df35f77a5 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, LLSmoothInterpolation::getInterpolant(0.08f)));
 
 	BOOL has_scroll_arrows = !getTabsHidden() && ((mMaxScrollPos > 0) || (mScrollPosPixels > 0));
 	if (!mIsVertical)
diff --git a/indra/llui/lltextbase.cpp b/indra/llui/lltextbase.cpp
index 3815eec447..680b6ed16d 100644
--- a/indra/llui/lltextbase.cpp
+++ b/indra/llui/lltextbase.cpp
@@ -47,6 +47,8 @@
 const F32	CURSOR_FLASH_DELAY = 1.0f;  // in seconds
 const S32	CURSOR_THICKNESS = 2;
 
+LLTrace::MemStatHandle	LLTextSegment::sMemStat("LLTextSegment");
+
 LLTextBase::line_info::line_info(S32 index_start, S32 index_end, LLRect rect, S32 line_num) 
 :	mDocIndexStart(index_start), 
 	mDocIndexEnd(index_end),
@@ -561,7 +563,7 @@ void LLTextBase::drawText()
 		if ( (mSpellCheckStart != start) || (mSpellCheckEnd != end) )
 		{
 			const LLWString& wstrText = getWText(); 
-			mMisspellRanges.clear();
+			memDisclaim(mMisspellRanges).clear();
 
 			segment_set_t::const_iterator seg_it = getSegIterContaining(start);
 			while (mSegments.end() != seg_it)
@@ -632,6 +634,7 @@ void LLTextBase::drawText()
 
 			mSpellCheckStart = start;
 			mSpellCheckEnd = end;
+			memClaim(mMisspellRanges);
 		}
 	}
 
@@ -890,10 +893,12 @@ void LLTextBase::createDefaultSegment()
 	// ensures that there is always at least one segment
 	if (mSegments.empty())
 	{
+		memDisclaim(mSegments);
 		LLStyleConstSP sp(new LLStyle(getDefaultStyleParams()));
 		LLTextSegmentPtr default_segment = new LLNormalTextSegment( sp, 0, getLength() + 1, *this);
 		mSegments.insert(default_segment);
 		default_segment->linkToDocument(this);
+		memClaim(mSegments);
 	}
 }
 
@@ -904,6 +909,8 @@ void LLTextBase::insertSegment(LLTextSegmentPtr segment_to_insert)
 		return;
 	}
 
+	memDisclaim(mSegments);
+
 	segment_set_t::iterator cur_seg_iter = getSegIterContaining(segment_to_insert->getStart());
 	S32 reflow_start_index = 0;
 
@@ -976,6 +983,7 @@ void LLTextBase::insertSegment(LLTextSegmentPtr segment_to_insert)
 
 	// layout potentially changed
 	needsReflow(reflow_start_index);
+	memClaim(mSegments);
 }
 
 BOOL LLTextBase::handleMouseDown(S32 x, S32 y, MASK mask)
@@ -1271,8 +1279,11 @@ void LLTextBase::replaceWithSuggestion(U32 index)
 			removeStringNoUndo(it->first, it->second - it->first);
 
 			// Insert the suggestion in its place
+			memDisclaim(mSuggestionList);
 			LLWString suggestion = utf8str_to_wstring(mSuggestionList[index]);
 			insertStringNoUndo(it->first, utf8str_to_wstring(mSuggestionList[index]));
+			memClaim(mSuggestionList);
+
 			setCursorPos(it->first + (S32)suggestion.length());
 
 			break;
@@ -1334,7 +1345,7 @@ bool LLTextBase::isMisspelledWord(U32 pos) const
 void LLTextBase::onSpellCheckSettingsChange()
 {
 	// Recheck the spelling on every change
-	mMisspellRanges.clear();
+	memDisclaim(mMisspellRanges).clear();
 	mSpellCheckStart = mSpellCheckEnd = -1;
 }
 
@@ -1593,7 +1604,7 @@ LLRect LLTextBase::getTextBoundingRect()
 
 void LLTextBase::clearSegments()
 {
-	mSegments.clear();
+	memDisclaim(mSegments).clear();
 	createDefaultSegment();
 }
 
@@ -3057,7 +3068,9 @@ void LLNormalTextSegment::setToolTip(const std::string& tooltip)
 		llwarns << "LLTextSegment::setToolTip: cannot replace keyword tooltip." << llendl;
 		return;
 	}
+	memDisclaim(mTooltip);
 	mTooltip = tooltip;
+	memClaim(mTooltip);
 }
 
 bool LLNormalTextSegment::getDimensions(S32 first_char, S32 num_chars, S32& width, S32& height) const
diff --git a/indra/llui/lltextbase.h b/indra/llui/lltextbase.h
index 90b147cee1..2ce15d891a 100644
--- a/indra/llui/lltextbase.h
+++ b/indra/llui/lltextbase.h
@@ -50,7 +50,10 @@ class LLUrlMatch;
 /// includes a start/end offset from the start of the string, a
 /// style to render with, an optional tooltip, etc.
 ///
-class LLTextSegment : public LLRefCount, public LLMouseHandler
+class LLTextSegment 
+:	public LLRefCount, 
+	public LLMouseHandler,
+	public LLTrace::MemTrackable<LLTextSegment>
 {
 public:
 	LLTextSegment(S32 start, S32 end) : mStart(start), mEnd(end){};
@@ -91,10 +94,12 @@ public:
 	/*virtual*/ void			localPointToScreen(S32 local_x, S32 local_y, S32* screen_x, S32* screen_y) const;
 	/*virtual*/ BOOL			hasMouseCapture();
 
-	S32							getStart() const 					{ return mStart; }
-	void						setStart(S32 start)					{ mStart = start; }
-	S32							getEnd() const						{ return mEnd; }
-	void						setEnd( S32 end )					{ mEnd = end; }
+	S32						getStart() const 					{ return mStart; }
+	void					setStart(S32 start)					{ mStart = start; }
+	S32						getEnd() const						{ return mEnd; }
+	void					setEnd( S32 end )					{ mEnd = end; }
+
+	static LLTrace::MemStatHandle sMemStat;
 
 protected:
 	S32				mStart;
diff --git a/indra/llui/lltoolbar.cpp b/indra/llui/lltoolbar.cpp
index 63b7e452d2..13aa21b505 100644
--- a/indra/llui/lltoolbar.cpp
+++ b/indra/llui/lltoolbar.cpp
@@ -42,9 +42,9 @@
 
 namespace LLToolBarEnums
 {
-	LLLayoutStack::ELayoutOrientation getOrientation(SideType sideType)
+	LLView::EOrientation getOrientation(SideType sideType)
 	{
-		LLLayoutStack::ELayoutOrientation orientation = LLLayoutStack::HORIZONTAL;
+		LLView::EOrientation orientation = LLLayoutStack::HORIZONTAL;
 
 		if ((sideType == SIDE_LEFT) || (sideType == SIDE_RIGHT))
 		{
@@ -173,7 +173,7 @@ void LLToolBar::initFromParams(const LLToolBar::Params& p)
 	// Initialize the base object
 	LLUICtrl::initFromParams(p);
 	
-	LLLayoutStack::ELayoutOrientation orientation = getOrientation(p.side);
+	LLView::EOrientation orientation = getOrientation(p.side);
 
 	LLLayoutStack::Params centering_stack_p;
 	centering_stack_p.name = "centering_stack";
@@ -525,7 +525,7 @@ int LLToolBar::getRankFromPosition(S32 x, S32 y)
 	int rank = 0;
 
 	// Convert the toolbar coord into button panel coords
-	LLLayoutStack::ELayoutOrientation orientation = getOrientation(mSideType);
+	LLView::EOrientation orientation = getOrientation(mSideType);
 	S32 button_panel_x = 0;
 	S32 button_panel_y = 0;
 	localPointToOtherView(x, y, &button_panel_x, &button_panel_y, mButtonPanel);
@@ -644,7 +644,7 @@ void LLToolBar::updateLayoutAsNeeded()
 {
 	if (!mNeedsLayout) return;
 
-	LLLayoutStack::ELayoutOrientation orientation = getOrientation(mSideType);
+	LLView::EOrientation orientation = getOrientation(mSideType);
 	
 	// our terminology for orientation-agnostic layout is such that
 	// length refers to a distance in the direction we stack the buttons 
diff --git a/indra/llui/lltoolbar.h b/indra/llui/lltoolbar.h
index 31424a36d4..6936cb37f7 100644
--- a/indra/llui/lltoolbar.h
+++ b/indra/llui/lltoolbar.h
@@ -125,7 +125,7 @@ namespace LLToolBarEnums
 		SIDE_TOP,
 	};
 
-	LLLayoutStack::ELayoutOrientation getOrientation(SideType sideType);
+	LLView::EOrientation getOrientation(SideType sideType);
 }
 
 // NOTE: This needs to occur before Param block declaration for proper compilation.
diff --git a/indra/llui/llui.cpp b/indra/llui/llui.cpp
index 6d2bc1837c..b9d935847b 100644
--- a/indra/llui/llui.cpp
+++ b/indra/llui/llui.cpp
@@ -724,9 +724,14 @@ void gl_draw_rotated_image(S32 x, S32 y, F32 degrees, LLTexture* image, const LL
 	gl_draw_scaled_rotated_image( x, y, image->getWidth(0), image->getHeight(0), degrees, image, color, uv_rect );
 }
 
-void gl_draw_scaled_rotated_image(S32 x, S32 y, S32 width, S32 height, F32 degrees, LLTexture* image, const LLColor4& color, const LLRectf& uv_rect)
+void gl_draw_scaled_target(S32 x, S32 y, S32 width, S32 height, LLRenderTarget* target, const LLColor4& color, const LLRectf& uv_rect)
 {
-	if (NULL == image)
+	gl_draw_scaled_rotated_image(x, y, width, height, 0.f, NULL, color, uv_rect, target);
+}
+
+void gl_draw_scaled_rotated_image(S32 x, S32 y, S32 width, S32 height, F32 degrees, LLTexture* image, const LLColor4& color, const LLRectf& uv_rect, LLRenderTarget* target)
+{
+	if (!image && !target)
 	{
 		llwarns << "image == NULL; aborting function" << llendl;
 		return;
@@ -734,8 +739,14 @@ void gl_draw_scaled_rotated_image(S32 x, S32 y, S32 width, S32 height, F32 degre
 
 	LLGLSUIDefault gls_ui;
 
-
-	gGL.getTexUnit(0)->bind(image, true);
+	if(image != NULL)
+	{
+		gGL.getTexUnit(0)->bind(image, true);
+	}
+	else
+	{
+		gGL.getTexUnit(0)->bind(target);
+	}
 
 	gGL.color4fv(color.mV);
 
@@ -788,7 +799,14 @@ void gl_draw_scaled_rotated_image(S32 x, S32 y, S32 width, S32 height, F32 degre
 
 		LLMatrix3 quat(0.f, 0.f, degrees*DEG_TO_RAD);
 		
-		gGL.getTexUnit(0)->bind(image, true);
+		if(image != NULL)
+		{
+			gGL.getTexUnit(0)->bind(image, true);
+		}
+		else
+		{
+			gGL.getTexUnit(0)->bind(target);
+		}
 
 		gGL.color4fv(color.mV);
 		
@@ -1129,6 +1147,8 @@ void gl_rect_2d_simple( S32 width, S32 height )
 	gGL.end();
 }
 
+static LLFastTimer::DeclareTimer FTM_RENDER_SEGMENTED_RECT ("Render segmented rectangle");
+
 void gl_segmented_rect_2d_tex(const S32 left, 
 							  const S32 top, 
 							  const S32 right, 
@@ -1138,6 +1158,7 @@ void gl_segmented_rect_2d_tex(const S32 left,
 							  const S32 border_size, 
 							  const U32 edges)
 {
+	LLFastTimer _(FTM_RENDER_SEGMENTED_RECT);
 	S32 width = llabs(right - left);
 	S32 height = llabs(top - bottom);
 
@@ -1288,10 +1309,7 @@ void gl_segmented_rect_2d_tex(const S32 left,
 }
 
 //FIXME: rewrite to use scissor?
-void gl_segmented_rect_2d_fragment_tex(const S32 left, 
-									   const S32 top, 
-									   const S32 right, 
-									   const S32 bottom, 
+void gl_segmented_rect_2d_fragment_tex(const LLRect& rect, 
 									   const S32 texture_width, 
 									   const S32 texture_height, 
 									   const S32 border_size, 
@@ -1299,6 +1317,11 @@ void gl_segmented_rect_2d_fragment_tex(const S32 left,
 									   const F32 end_fragment, 
 									   const U32 edges)
 {
+	LLFastTimer _(FTM_RENDER_SEGMENTED_RECT);
+	const S32 left = rect.mLeft;
+	const S32 right = rect.mRight;
+	const S32 top = rect.mTop;
+	const S32 bottom = rect.mBottom;
 	S32 width = llabs(right - left);
 	S32 height = llabs(top - bottom);
 
@@ -1336,9 +1359,9 @@ void gl_segmented_rect_2d_fragment_tex(const S32 left,
 	{
 		if (start_fragment < middle_start)
 		{
-			u_min = (start_fragment / middle_start) * border_uv_scale.mV[VX];
+			u_min = (start_fragment / middle_start)			* border_uv_scale.mV[VX];
 			u_max = llmin(end_fragment / middle_start, 1.f) * border_uv_scale.mV[VX];
-			x_min = (start_fragment / middle_start) * border_width_left;
+			x_min = (start_fragment / middle_start)			* border_width_left;
 			x_max = llmin(end_fragment / middle_start, 1.f) * border_width_left;
 
 			// draw bottom left
@@ -1428,10 +1451,10 @@ void gl_segmented_rect_2d_fragment_tex(const S32 left,
 
 		if (end_fragment > middle_end)
 		{
-			u_min = (1.f - llmax(0.f, ((start_fragment - middle_end) / middle_start))) * border_uv_scale.mV[VX];
-			u_max = (1.f - ((end_fragment - middle_end) / middle_start)) * border_uv_scale.mV[VX];
-			x_min = width_vec - ((1.f - llmax(0.f, ((start_fragment - middle_end) / middle_start))) * border_width_right);
-			x_max = width_vec - ((1.f - ((end_fragment - middle_end) / middle_start)) * border_width_right);
+			u_min = 1.f			- ((1.f - llmax(0.f, (start_fragment - middle_end) / middle_start)) * border_uv_scale.mV[VX]);
+			u_max = 1.f			- ((1.f - ((end_fragment - middle_end) / middle_start)) * border_uv_scale.mV[VX]);
+			x_min = width_vec	- ((1.f - llmax(0.f, (start_fragment - middle_end) / middle_start)) * border_width_right);
+			x_max = width_vec	- ((1.f - ((end_fragment - middle_end) / middle_start)) * border_width_right);
 
 			// draw bottom right
 			gGL.texCoord2f(u_min, 0.f);
@@ -1482,6 +1505,7 @@ void gl_segmented_rect_3d_tex(const LLVector2& border_scale, const LLVector3& bo
 							  const LLVector3& border_height, const LLVector3& width_vec, const LLVector3& height_vec,
 							  const U32 edges)
 {
+	LLFastTimer _(FTM_RENDER_SEGMENTED_RECT);
 	LLVector3 left_border_width = ((edges & (~(U32)ROUNDED_RECT_RIGHT)) != 0) ? border_width : LLVector3::zero;
 	LLVector3 right_border_width = ((edges & (~(U32)ROUNDED_RECT_LEFT)) != 0) ? border_width : LLVector3::zero;
 
diff --git a/indra/llui/llui.h b/indra/llui/llui.h
index c5a12d2b31..dfb9fa60c9 100644
--- a/indra/llui/llui.h
+++ b/indra/llui/llui.h
@@ -58,6 +58,7 @@ class LLUUID;
 class LLWindow;
 class LLView;
 class LLHelp;
+class LLRenderTarget;
 
 // UI colors
 extern const LLColor4 UI_VERTEX_COLOR;
@@ -93,8 +94,9 @@ void gl_washer_segment_2d(F32 outer_radius, F32 inner_radius, F32 start_radians,
 
 void gl_draw_image(S32 x, S32 y, LLTexture* image, const LLColor4& color = UI_VERTEX_COLOR, const LLRectf& uv_rect = LLRectf(0.f, 1.f, 1.f, 0.f));
 void gl_draw_scaled_image(S32 x, S32 y, S32 width, S32 height, LLTexture* image, const LLColor4& color = UI_VERTEX_COLOR, const LLRectf& uv_rect = LLRectf(0.f, 1.f, 1.f, 0.f));
+void gl_draw_scaled_target(S32 x, S32 y, S32 width, S32 height, LLRenderTarget* target, const LLColor4& color = UI_VERTEX_COLOR, const LLRectf& uv_rect = LLRectf(0.f, 1.f, 1.f, 0.f));
 void gl_draw_rotated_image(S32 x, S32 y, F32 degrees, LLTexture* image, const LLColor4& color = UI_VERTEX_COLOR, const LLRectf& uv_rect = LLRectf(0.f, 1.f, 1.f, 0.f));
-void gl_draw_scaled_rotated_image(S32 x, S32 y, S32 width, S32 height, F32 degrees,LLTexture* image, const LLColor4& color = UI_VERTEX_COLOR, const LLRectf& uv_rect = LLRectf(0.f, 1.f, 1.f, 0.f));
+void gl_draw_scaled_rotated_image(S32 x, S32 y, S32 width, S32 height, F32 degrees,LLTexture* image, const LLColor4& color = UI_VERTEX_COLOR, const LLRectf& uv_rect = LLRectf(0.f, 1.f, 1.f, 0.f), LLRenderTarget* target = NULL);
 void gl_draw_scaled_image_with_border(S32 x, S32 y, S32 border_width, S32 border_height, S32 width, S32 height, LLTexture* image, const LLColor4 &color, BOOL solid_color = FALSE, const LLRectf& uv_rect = LLRectf(0.f, 1.f, 1.f, 0.f));
 void gl_draw_scaled_image_with_border(S32 x, S32 y, S32 width, S32 height, LLTexture* image, const LLColor4 &color, BOOL solid_color = FALSE, const LLRectf& uv_rect = LLRectf(0.f, 1.f, 1.f, 0.f), const LLRectf& scale_rect = LLRectf(0.f, 1.f, 1.f, 0.f));
 
@@ -126,7 +128,7 @@ typedef enum e_rounded_edge
 
 
 void gl_segmented_rect_2d_tex(const S32 left, const S32 top, const S32 right, const S32 bottom, const S32 texture_width, const S32 texture_height, const S32 border_size, const U32 edges = ROUNDED_RECT_ALL);
-void gl_segmented_rect_2d_fragment_tex(const S32 left, const S32 top, const S32 right, const S32 bottom, const S32 texture_width, const S32 texture_height, const S32 border_size, const F32 start_fragment, const F32 end_fragment, const U32 edges = ROUNDED_RECT_ALL);
+void gl_segmented_rect_2d_fragment_tex(const LLRect& rect, const S32 texture_width, const S32 texture_height, const S32 border_size, const F32 start_fragment, const F32 end_fragment, const U32 edges = ROUNDED_RECT_ALL);
 void gl_segmented_rect_3d_tex(const LLVector2& border_scale, const LLVector3& border_width, const LLVector3& border_height, const LLVector3& width_vec, const LLVector3& height_vec, U32 edges = ROUNDED_RECT_ALL);
 void gl_segmented_rect_3d_tex_top(const LLVector2& border_scale, const LLVector3& border_width, const LLVector3& border_height, const LLVector3& width_vec, const LLVector3& height_vec);
 
diff --git a/indra/llui/lluictrl.cpp b/indra/llui/lluictrl.cpp
index b9c843e931..08358484ef 100644
--- a/indra/llui/lluictrl.cpp
+++ b/indra/llui/lluictrl.cpp
@@ -118,6 +118,7 @@ LLUICtrl::LLUICtrl(const LLUICtrl::Params& p, const LLViewModelPtr& viewmodel)
 	mDoubleClickSignal(NULL),
 	mTransparencyType(TT_DEFAULT)
 {
+	memClaim(viewmodel.get());
 }
 
 void LLUICtrl::initFromParams(const Params& p)
@@ -940,7 +941,7 @@ boost::signals2::connection LLUICtrl::setCommitCallback( boost::function<void (L
 }
 boost::signals2::connection LLUICtrl::setValidateBeforeCommit( boost::function<bool (const LLSD& data)> cb )
 {
-	if (!mValidateSignal) mValidateSignal = new enable_signal_t();
+	if (!mValidateSignal) mValidateSignal = memClaim(new enable_signal_t());
 	return mValidateSignal->connect(boost::bind(cb, _2));
 }
 
@@ -1003,55 +1004,55 @@ boost::signals2::connection LLUICtrl::setValidateCallback(const EnableCallbackPa
 
 boost::signals2::connection LLUICtrl::setCommitCallback( const commit_signal_t::slot_type& cb ) 
 { 
-	if (!mCommitSignal) mCommitSignal = new commit_signal_t();
+	if (!mCommitSignal) mCommitSignal = memClaim(new commit_signal_t());
 	return mCommitSignal->connect(cb); 
 }
 
 boost::signals2::connection LLUICtrl::setValidateCallback( const enable_signal_t::slot_type& cb ) 
 { 
-	if (!mValidateSignal) mValidateSignal = new enable_signal_t();
+	if (!mValidateSignal) mValidateSignal = memClaim(new enable_signal_t());
 	return mValidateSignal->connect(cb); 
 }
 
 boost::signals2::connection LLUICtrl::setMouseEnterCallback( const commit_signal_t::slot_type& cb ) 
 { 
-	if (!mMouseEnterSignal) mMouseEnterSignal = new commit_signal_t();
+	if (!mMouseEnterSignal) mMouseEnterSignal = memClaim(new commit_signal_t());
 	return mMouseEnterSignal->connect(cb); 
 }
 
 boost::signals2::connection LLUICtrl::setMouseLeaveCallback( const commit_signal_t::slot_type& cb ) 
 { 
-	if (!mMouseLeaveSignal) mMouseLeaveSignal = new commit_signal_t();
+	if (!mMouseLeaveSignal) mMouseLeaveSignal = memClaim(new commit_signal_t());
 	return mMouseLeaveSignal->connect(cb); 
 }
 
 boost::signals2::connection LLUICtrl::setMouseDownCallback( const mouse_signal_t::slot_type& cb ) 
 { 
-	if (!mMouseDownSignal) mMouseDownSignal = new mouse_signal_t();
+	if (!mMouseDownSignal) mMouseDownSignal = memClaim(new mouse_signal_t());
 	return mMouseDownSignal->connect(cb); 
 }
 
 boost::signals2::connection LLUICtrl::setMouseUpCallback( const mouse_signal_t::slot_type& cb ) 
 { 
-	if (!mMouseUpSignal) mMouseUpSignal = new mouse_signal_t();
+	if (!mMouseUpSignal) mMouseUpSignal = memClaim(new mouse_signal_t());
 	return mMouseUpSignal->connect(cb); 
 }
 
 boost::signals2::connection LLUICtrl::setRightMouseDownCallback( const mouse_signal_t::slot_type& cb ) 
 { 
-	if (!mRightMouseDownSignal) mRightMouseDownSignal = new mouse_signal_t();
+	if (!mRightMouseDownSignal) mRightMouseDownSignal = memClaim(new mouse_signal_t());
 	return mRightMouseDownSignal->connect(cb); 
 }
 
 boost::signals2::connection LLUICtrl::setRightMouseUpCallback( const mouse_signal_t::slot_type& cb ) 
 { 
-	if (!mRightMouseUpSignal) mRightMouseUpSignal = new mouse_signal_t();
+	if (!mRightMouseUpSignal) mRightMouseUpSignal = memClaim(new mouse_signal_t());
 	return mRightMouseUpSignal->connect(cb); 
 }
 
 boost::signals2::connection LLUICtrl::setDoubleClickCallback( const mouse_signal_t::slot_type& cb ) 
 { 
-	if (!mDoubleClickSignal) mDoubleClickSignal = new mouse_signal_t();
+	if (!mDoubleClickSignal) mDoubleClickSignal = memClaim(new mouse_signal_t());
 	return mDoubleClickSignal->connect(cb); 
 }
 
diff --git a/indra/llui/lluictrlfactory.h b/indra/llui/lluictrlfactory.h
index f6971261d7..e6e9c66aef 100644
--- a/indra/llui/lluictrlfactory.h
+++ b/indra/llui/lluictrlfactory.h
@@ -165,17 +165,17 @@ public:
 	static T* createFromFile(const std::string &filename, LLView *parent, const widget_registry_t& registry)
 	{
 		T* widget = NULL;
-
+		
 		instance().pushFileName(filename);
 		{
 			LLXMLNodePtr root_node;
 
 			if (!LLUICtrlFactory::getLayeredXMLNode(filename, root_node))
-			{
+				{							
 				llwarns << "Couldn't parse XUI file: " << instance().getCurFileName() << llendl;
 				goto fail;
 			}
-
+			
 			LLView* view = getInstance()->createFromXML(root_node, parent, filename, registry, NULL);
 			if (view)
 			{
@@ -260,10 +260,8 @@ private:
 			// We always want to output top-left coordinates
 			typename T::Params output_params(params);
 			T::setupParamsForExport(output_params, parent);
-			// Export only the differences between this any default params
-			typename T::Params default_params(getDefaultParams<T>());
 			copyName(node, output_node);
-			parser.writeXUI(output_node, output_params, &default_params);
+			parser.writeXUI(output_node, output_params, LLInitParam::default_parse_rules(), &getDefaultParams<T>());
 		}
 
 		// Apply layout transformations, usually munging rect
diff --git a/indra/llui/lluistring.cpp b/indra/llui/lluistring.cpp
index c4e073ccdb..23fc53ea88 100644
--- a/indra/llui/lluistring.cpp
+++ b/indra/llui/lluistring.cpp
@@ -26,6 +26,8 @@
 
 #include "linden_common.h"
 #include "lluistring.h"
+
+#include "llfasttimer.h"
 #include "llsd.h"
 #include "lltrans.h"
 
diff --git a/indra/llui/llview.cpp b/indra/llui/llview.cpp
index ad9bec9f61..ba88396294 100644
--- a/indra/llui/llview.cpp
+++ b/indra/llui/llview.cpp
@@ -30,7 +30,6 @@
 #define LLVIEW_CPP
 #include "llview.h"
 
-#include <cassert>
 #include <sstream>
 #include <boost/tokenizer.hpp>
 #include <boost/foreach.hpp>
@@ -68,6 +67,7 @@ LLView* LLView::sPreviewClickedElement = NULL;
 BOOL	LLView::sDrawPreviewHighlights = FALSE;
 S32		LLView::sLastLeftXML = S32_MIN;
 S32		LLView::sLastBottomXML = S32_MIN;
+LLTrace::MemStatHandle	LLView::sMemStat("LLView");
 std::vector<LLViewDrawContext*> LLViewDrawContext::sDrawContextStack;
 
 LLView::DrilldownFunc LLView::sDrilldown =
@@ -83,6 +83,16 @@ template class LLView* LLView::getChild<class LLView>(
 
 static LLDefaultChildRegistry::Register<LLView> r("view");
 
+namespace LLInitParam
+{
+	void TypeValues<LLView::EOrientation>::declareValues()
+	{
+		declare("horizontal", LLView::HORIZONTAL);
+		declare("vertical", LLView::VERTICAL);	
+	}
+}
+
+
 LLView::Follows::Follows()
 :   string(""),
 	flags("flags", FOLLOWS_LEFT | FOLLOWS_TOP)
diff --git a/indra/llui/llview.h b/indra/llui/llview.h
index 1c35349510..88813da3c6 100644
--- a/indra/llui/llview.h
+++ b/indra/llui/llview.h
@@ -101,9 +101,13 @@ class LLView
 :	public LLMouseHandler,			// handles mouse events
 	public LLFocusableElement,		// handles keyboard events
 	public LLMortician,				// lazy deletion
-	public LLHandleProvider<LLView>	// passes out weak references to self
+	public LLHandleProvider<LLView>,     // passes out weak references to self
+	public LLTrace::MemTrackable<LLView> // track memory usage
 {
 public:
+
+	enum EOrientation { HORIZONTAL, VERTICAL, ORIENTATION_COUNT };
+
 	struct Follows : public LLInitParam::ChoiceBlock<Follows>
 	{
 		Alternative<std::string>	string;
@@ -672,7 +676,18 @@ public:
 	static S32 sLastLeftXML;
 	static S32 sLastBottomXML;
 	static BOOL sForceReshape;
+	static LLTrace::MemStatHandle sMemStat;
+};
+
+namespace LLInitParam
+{
+template<>
+struct TypeValues<LLView::EOrientation> : public LLInitParam::TypeValuesHelper<LLView::EOrientation>
+{
+	static void declareValues();
 };
+}
+
 
 class LLCompareByTabOrder
 {
diff --git a/indra/llui/llviewmodel.cpp b/indra/llui/llviewmodel.cpp
index a9f8acc440..901260bec8 100644
--- a/indra/llui/llviewmodel.cpp
+++ b/indra/llui/llviewmodel.cpp
@@ -35,6 +35,8 @@
 // external library headers
 // other Linden headers
 
+LLTrace::MemStatHandle	LLViewModel::sMemStat("LLViewModel");
+
 ///
 LLViewModel::LLViewModel()
  : mDirty(false)
@@ -80,7 +82,10 @@ LLTextViewModel::LLTextViewModel(const LLSD& value)
 void LLTextViewModel::setValue(const LLSD& value)
 {
 	LLViewModel::setValue(value);
+	memDisclaim(mDisplay);
     mDisplay = utf8str_to_wstring(value.asString());
+	memClaim(mDisplay);
+
     // mDisplay and mValue agree
     mUpdateFromDisplay = false;
 }
@@ -91,7 +96,9 @@ void LLTextViewModel::setDisplay(const LLWString& value)
     // and do the utf8str_to_wstring() to get the corresponding mDisplay
     // value. But a text editor might want to edit the display string
     // directly, then convert back to UTF8 on commit.
+	memDisclaim(mDisplay);
     mDisplay = value;
+	memClaim(mDisplay);
     mDirty = true;
     // Don't immediately convert to UTF8 -- do it lazily -- we expect many
     // more setDisplay() calls than getValue() calls. Just flag that it needs
diff --git a/indra/llui/llviewmodel.h b/indra/llui/llviewmodel.h
index ef2e314799..2c016d2560 100644
--- a/indra/llui/llviewmodel.h
+++ b/indra/llui/llviewmodel.h
@@ -39,6 +39,7 @@
 #include "llrefcount.h"
 #include "stdenums.h"
 #include "llstring.h"
+#include "lltrace.h"
 #include <string>
 
 class LLScrollListItem;
@@ -60,7 +61,9 @@ typedef LLPointer<LLListViewModel> LLListViewModelPtr;
  * LLViewModel data. This way, the LLViewModel is quietly deleted when the
  * last referencing widget is destroyed.
  */
-class LLViewModel: public LLRefCount
+class LLViewModel 
+:	public LLRefCount,
+	public LLTrace::MemTrackable<LLViewModel>
 {
 public:
     LLViewModel();
@@ -80,6 +83,8 @@ public:
 	// 
     void setDirty() { mDirty = true; }
 
+	static LLTrace::MemStatHandle sMemStat;
+
 protected:
     LLSD mValue;
     bool mDirty;
diff --git a/indra/llui/llxuiparser.cpp b/indra/llui/llxuiparser.cpp
index afc76024d1..903f10ce10 100644
--- a/indra/llui/llxuiparser.cpp
+++ b/indra/llui/llxuiparser.cpp
@@ -29,7 +29,7 @@
 #include "llxuiparser.h"
 
 #include "llxmlnode.h"
-
+#include "llfasttimer.h"
 #ifdef LL_STANDALONE
 #include <expat.h>
 #else
@@ -861,11 +861,11 @@ bool LLXUIParser::readAttributes(LLXMLNodePtr nodep, LLInitParam::BaseBlock& blo
 	return any_parsed;
 }
 
-void LLXUIParser::writeXUI(LLXMLNodePtr node, const LLInitParam::BaseBlock &block, const LLInitParam::BaseBlock* diff_block)
+void LLXUIParser::writeXUIImpl(LLXMLNodePtr node, const LLInitParam::BaseBlock &block, const LLInitParam::predicate_rule_t rules, const LLInitParam::BaseBlock* diff_block)
 {
 	mWriteRootNode = node;
 	name_stack_t name_stack = Parser::name_stack_t();
-	block.serializeBlock(*this, name_stack, diff_block);
+	block.serializeBlock(*this, name_stack, rules, diff_block);
 	mOutNodes.clear();
 }
 
@@ -880,16 +880,24 @@ LLXMLNodePtr LLXUIParser::getNode(name_stack_t& stack)
 		it = next_it)
 	{
 		++next_it;
+		bool force_new_node = false;
+
 		if (it->first.empty())
 		{
 			it->second = false;
 			continue;
 		}
 
+		if (next_it != stack.end() && next_it->first.empty() && next_it->second)
+		{
+			force_new_node = true;
+		}
+
+
 		out_nodes_t::iterator found_it = mOutNodes.find(it->first);
 
 		// node with this name not yet written
-		if (found_it == mOutNodes.end() || it->second)
+		if (found_it == mOutNodes.end() || it->second || force_new_node)
 		{
 			// make an attribute if we are the last element on the name stack
 			bool is_attribute = next_it == stack.end();
diff --git a/indra/llui/llxuiparser.h b/indra/llui/llxuiparser.h
index d7cd256967..8d0276a8ad 100644
--- a/indra/llui/llxuiparser.h
+++ b/indra/llui/llxuiparser.h
@@ -109,9 +109,25 @@ public:
 	/*virtual*/ void parserError(const std::string& message);
 
 	void readXUI(LLXMLNodePtr node, LLInitParam::BaseBlock& block, const std::string& filename = LLStringUtil::null, bool silent=false);
-	void writeXUI(LLXMLNodePtr node, const LLInitParam::BaseBlock& block, const LLInitParam::BaseBlock* diff_block = NULL);
+	template<typename BLOCK>
+	void writeXUI(LLXMLNodePtr node, 
+				const BLOCK& block, 
+				const LLInitParam::predicate_rule_t rules = LLInitParam::default_parse_rules(),
+				const LLInitParam::BaseBlock* diff_block = NULL)
+	{
+		if (!diff_block 
+			&& !rules.isAmbivalent(LLInitParam::HAS_DEFAULT_VALUE))
+		{
+			diff_block = &LLInitParam::defaultValue<BLOCK>();
+		}
+		writeXUIImpl(node, block, rules, diff_block);
+	}
 
 private:
+	void writeXUIImpl(LLXMLNodePtr node, 
+		const LLInitParam::BaseBlock& block, 
+		const LLInitParam::predicate_rule_t rules, 
+		const LLInitParam::BaseBlock* diff_block);
 	bool readXUIImpl(LLXMLNodePtr node, LLInitParam::BaseBlock& block);
 	bool readAttributes(LLXMLNodePtr nodep, LLInitParam::BaseBlock& block);