1 files changed, 421 insertions, 136 deletions

diff --git a/indra/llui/llstatbar.cpp b/indra/llui/llstatbar.cpp
index 04cce7878e..3cd60a3f73 100755
--- a/indra/llui/llstatbar.cpp
+++ b/indra/llui/llstatbar.cpp
@@ -34,234 +34,518 @@
 #include "llgl.h"
 #include "llfontgl.h"
 
-#include "llstat.h"
 #include "lluictrlfactory.h"
+#include "lltracerecording.h"
+#include "llcriticaldamp.h"
+#include "lltooltip.h"
+#include "lllocalcliprect.h"
+#include <iostream>
+
+F32 calc_tick_value(F32 min, F32 max)
+{
+	F32 range = max - min;
+	const S32 DIVISORS[] = {6, 8, 10, 4, 5};
+	// try storing 
+	S32 best_decimal_digit_count = S32_MAX;
+	S32 best_divisor = 10;
+	for (U32 divisor_idx = 0; divisor_idx < LL_ARRAY_SIZE(DIVISORS); divisor_idx++)
+	{
+		S32 divisor = DIVISORS[divisor_idx];
+		F32 possible_tick_value = range / divisor;
+		S32 num_whole_digits = llceil(logf(min + possible_tick_value) * OO_LN10);
+		for (S32 digit_count = -(num_whole_digits - 1); digit_count < 6; digit_count++)
+		{
+			F32 test_tick_value = min + (possible_tick_value * pow(10.0, digit_count));
+
+			if (is_approx_equal((F32)(S32)test_tick_value, test_tick_value))
+			{
+				if (digit_count < best_decimal_digit_count)
+				{
+					best_decimal_digit_count = digit_count;
+					best_divisor = divisor;
+				}
+				break;
+			}
+		}
+	}
+
+	return is_approx_equal(range, 0.f) ? 0.f : range / best_divisor;
+}
+
+void calc_auto_scale_range(F32& min, F32& max, F32& tick)
+{
+	min = llmin(0.f, min, max);
+	max = llmax(0.f, min, max);
+
+	const F32 RANGES[] = {0.f, 1.f,   1.5f, 2.f, 3.f, 5.f, 10.f};
+	const F32 TICKS[]  = {0.f, 0.25f, 0.5f, 1.f, 1.f, 1.f, 2.f };
+
+	const S32 num_digits_max = is_approx_equal(llabs(max), 0.f)
+							? S32_MIN + 1
+							: llceil(logf(llabs(max)) * OO_LN10);
+	const S32 num_digits_min = is_approx_equal(llabs(min), 0.f)
+							? S32_MIN + 1
+							: llceil(logf(llabs(min)) * OO_LN10);
+
+	const S32 num_digits = llmax(num_digits_max, num_digits_min);
+	const F32 power_of_10 = pow(10.0, num_digits - 1);
+	const F32 starting_max = power_of_10 * ((max < 0.f) ? -1 : 1);
+	const F32 starting_min = power_of_10 * ((min < 0.f) ? -1 : 1);
+
+	F32 cur_max = starting_max;
+	F32 cur_min = starting_min;
+	F32 out_max = max;
+	F32 out_min = min;
+
+	F32 cur_tick_min = 0.f;
+	F32 cur_tick_max = 0.f;
+
+	for (S32 range_idx = 0; range_idx < LL_ARRAY_SIZE(RANGES); range_idx++)
+	{
+		cur_max = starting_max * RANGES[range_idx];
+		cur_min = starting_min * RANGES[range_idx];
+
+		if (min > 0.f && cur_min <= min)
+		{
+			out_min = cur_min;
+			cur_tick_min = TICKS[range_idx];
+		}
+		if (max < 0.f && cur_max >= max)
+		{
+			out_max = cur_max;
+			cur_tick_max = TICKS[range_idx];
+		}
+	}
+
+	cur_max = starting_max;
+	cur_min = starting_min;
+	for (S32 range_idx = LL_ARRAY_SIZE(RANGES) - 1; range_idx >= 0; range_idx--)
+	{
+		cur_max = starting_max * RANGES[range_idx];
+		cur_min = starting_min * RANGES[range_idx];
+
+		if (min < 0.f && cur_min <= min)
+		{
+			out_min = cur_min;
+			cur_tick_min = TICKS[range_idx];
+		}
+		if (max > 0.f && cur_max >= max)
+		{
+			out_max = cur_max;
+			cur_tick_max = TICKS[range_idx];
+		}	
+	}
+
+	tick = power_of_10 * llmax(cur_tick_min, cur_tick_max);
+	min = out_min;
+	max = out_max;
+}
 
 ///////////////////////////////////////////////////////////////////////////////////
 
 LLStatBar::LLStatBar(const Params& p)
-	: LLView(p),
-	  mLabel(p.label),
-	  mUnitLabel(p.unit_label),
-	  mMinBar(p.bar_min),
-	  mMaxBar(p.bar_max),
-	  mStatp(LLStat::getStat(p.stat)),
-	  mTickSpacing(p.tick_spacing),
-	  mLabelSpacing(p.label_spacing),
-	  mPrecision(p.precision),
-	  mUpdatesPerSec(p.update_rate),
-	  mPerSec(p.show_per_sec),
-	  mDisplayBar(p.show_bar),
-	  mDisplayHistory(p.show_history),
-	  mDisplayMean(p.show_mean)
+:	LLView(p),
+	mLabel(p.label),
+	mUnitLabel(p.unit_label),
+	mMinBar(llmin(p.bar_min, p.bar_max)),
+	mMaxBar(llmax(p.bar_max, p.bar_min)),
+	mCurMaxBar(p.bar_max),
+	mDecimalDigits(p.decimal_digits),
+	mNumFrames(p.num_frames),
+	mMaxHeight(p.max_height),
+	mPerSec(p.show_per_sec),
+	mDisplayBar(p.show_bar),
+	mDisplayHistory(p.show_history),
+	mOrientation(p.orientation),
+	mAutoScaleMax(!p.bar_max.isProvided()),
+	mAutoScaleMin(!p.bar_min.isProvided()),
+	mTickValue(p.tick_spacing)
 {
+	// tick value will be automatically calculated later
+	if (!p.tick_spacing.isProvided() && p.bar_min.isProvided() && p.bar_max.isProvided())
+	{
+		mTickValue = calc_tick_value(mMinBar, mMaxBar);
+	}
+
+	setStat(p.stat);
+}
+
+BOOL LLStatBar::handleHover(S32 x, S32 y, MASK mask)
+{
+	if (mCountFloatp)
+	{
+		LLToolTipMgr::instance().show(LLToolTip::Params().message(mCountFloatp->getDescription()).sticky_rect(calcScreenRect()));
+	}
+	else if ( mEventFloatp)
+	{
+		LLToolTipMgr::instance().show(LLToolTip::Params().message(mEventFloatp->getDescription()).sticky_rect(calcScreenRect()));
+	}
+	else if (mSampleFloatp)
+	{
+		LLToolTipMgr::instance().show(LLToolTip::Params().message(mSampleFloatp->getDescription()).sticky_rect(calcScreenRect()));
+	}
+	return TRUE;
 }
 
 BOOL LLStatBar::handleMouseDown(S32 x, S32 y, MASK mask)
 {
-	if (mDisplayBar)
+	BOOL handled = LLView::handleMouseDown(x, y, mask);
+	if (!handled)
 	{
-		if (mDisplayHistory)
+		if (mDisplayBar)
 		{
-			mDisplayBar = FALSE;
-			mDisplayHistory = FALSE;
+			if (mDisplayHistory || mOrientation == HORIZONTAL)
+			{
+				mDisplayBar = FALSE;
+				mDisplayHistory = FALSE;
+			}
+			else
+			{
+				mDisplayHistory = TRUE;
+			}
 		}
 		else
 		{
-			mDisplayHistory = TRUE;
+			mDisplayBar = TRUE;
+			if (mOrientation == HORIZONTAL)
+			{
+				mDisplayHistory = TRUE;
+			}
 		}
+		LLView* parent = getParent();
+		parent->reshape(parent->getRect().getWidth(), parent->getRect().getHeight(), FALSE);
 	}
-	else
-	{
-		mDisplayBar = TRUE;
-	}
-
-	LLView* parent = getParent();
-	parent->reshape(parent->getRect().getWidth(), parent->getRect().getHeight(), FALSE);
-
-	return FALSE;
+	return TRUE;
 }
 
 void LLStatBar::draw()
 {
-	if (!mStatp)
+	F32 current = 0, 
+		min     = 0, 
+		max     = 0,
+		mean    = 0;
+
+	LLLocalClipRect _(getLocalRect());
+	LLTrace::PeriodicRecording& frame_recording = LLTrace::get_frame_recording();
+
+	std::string unit_label;
+	if (mCountFloatp)
 	{
-//		llinfos << "No stats for statistics bar!" << llendl;
-		return;
+		LLTrace::Recording& last_frame_recording = frame_recording.getLastRecording(); 
+		unit_label = mUnitLabel.empty() ? mCountFloatp->getUnitLabel() : mUnitLabel;
+		if (mPerSec)
+		{
+			unit_label += "/s";
+			current = last_frame_recording.getPerSec(*mCountFloatp);
+			min     = frame_recording.getPeriodMinPerSec(*mCountFloatp, mNumFrames);
+			max     = frame_recording.getPeriodMaxPerSec(*mCountFloatp, mNumFrames);
+			mean    = frame_recording.getPeriodMeanPerSec(*mCountFloatp, mNumFrames);
+		}
+		else
+		{
+			current = last_frame_recording.getSum(*mCountFloatp);
+			min     = frame_recording.getPeriodMin(*mCountFloatp, mNumFrames);
+			max     = frame_recording.getPeriodMax(*mCountFloatp, mNumFrames);
+			mean    = frame_recording.getPeriodMean(*mCountFloatp, mNumFrames);
+		}
 	}
-
-	// Get the values.
-	F32 current, min, max, mean;
-	if (mPerSec)
+	else if (mEventFloatp)
 	{
-		current = mStatp->getCurrentPerSec();
-		min = mStatp->getMinPerSec();
-		max = mStatp->getMaxPerSec();
-		mean = mStatp->getMeanPerSec();
+		LLTrace::Recording& last_frame_recording = frame_recording.getLastRecording();
+		unit_label = mUnitLabel.empty() ? mEventFloatp->getUnitLabel() : mUnitLabel;
+
+		current = last_frame_recording.getMean(*mEventFloatp);
+		min     = frame_recording.getPeriodMin(*mEventFloatp, mNumFrames);
+		max     = frame_recording.getPeriodMax(*mEventFloatp, mNumFrames);
+		mean    = frame_recording.getPeriodMean(*mEventFloatp, mNumFrames);
 	}
-	else
+	else if (mSampleFloatp)
 	{
-		current = mStatp->getCurrent();
-		min = mStatp->getMin();
-		max = mStatp->getMax();
-		mean = mStatp->getMean();
+		LLTrace::Recording& last_frame_recording = frame_recording.getLastRecording();
+		unit_label = mUnitLabel.empty() ? mSampleFloatp->getUnitLabel() : mUnitLabel;
+
+		current = last_frame_recording.getMean(*mSampleFloatp);
+		min     = frame_recording.getPeriodMin(*mSampleFloatp, mNumFrames);
+		max     = frame_recording.getPeriodMax(*mSampleFloatp, mNumFrames);
+		mean    = frame_recording.getPeriodMean(*mSampleFloatp, mNumFrames);
 	}
 
+	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 ((mUpdatesPerSec == 0.f) || (mUpdateTimer.getElapsedTimeF32() > 1.f/mUpdatesPerSec) || (mValue == 0.f))
+	if ((mAutoScaleMax && max >= mCurMaxBar)|| (mAutoScaleMin && min <= mCurMinBar))
 	{
-		if (mDisplayMean)
+		F32 range_min = mAutoScaleMin ? llmin(mMinBar, min) : mMinBar;
+		F32 range_max = mAutoScaleMax ? llmax(mMaxBar, max) : mMaxBar;
+		F32 tick_value = 0.f;
+		calc_auto_scale_range(range_min, range_max, tick_value);
+		if (mAutoScaleMin) { mMinBar = range_min; }
+		if (mAutoScaleMax) { mMaxBar = range_max; }
+		if (mAutoScaleMin && mAutoScaleMax)
 		{
-			mValue = mean;
+			mTickValue = tick_value;
 		}
 		else
 		{
-			mValue = current;
+			mTickValue = calc_tick_value(mMinBar, mMaxBar);
 		}
-		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;
+	mCurMaxBar = LLSmoothInterpolation::lerp(mCurMaxBar, mMaxBar, 0.05f);
+	mCurMinBar = LLSmoothInterpolation::lerp(mCurMinBar, mMinBar, 0.05f);
 
-	F32 value_scale = max_width/(mMaxBar - mMinBar);
+	F32 value_scale;
+	if (mCurMaxBar == mCurMinBar)
+	{
+		value_scale = 0.f;
+	}
+	else
+	{
+		value_scale = (mOrientation == HORIZONTAL) 
+					? (bar_top - bar_bottom)/(mCurMaxBar - mCurMinBar)
+					: (bar_right - bar_left)/(mCurMaxBar - mCurMinBar);
+	}
 
 	LLFontGL::getFontMonospace()->renderUTF8(mLabel, 0, 0, getRect().getHeight(), LLColor4(1.f, 1.f, 1.f, 1.f),
 											 LLFontGL::LEFT, LLFontGL::TOP);
+	
+	S32 decimal_digits = mDecimalDigits;
+	if (is_approx_equal((F32)(S32)mean, mean))
+	{
+		decimal_digits = 0;
+	}
+	std::string value_str = llformat("%10.*f %s", decimal_digits, mean, unit_label.c_str());
 
-	std::string value_format;
-	std::string value_str;
-	if (!mUnitLabel.empty())
+	// Draw the current value.
+	if (mOrientation == HORIZONTAL)
 	{
-		value_format = llformat( "%%.%df%%s", mPrecision);
-		value_str = llformat( value_format.c_str(), mValue, mUnitLabel.c_str());
+		LLFontGL::getFontMonospace()->renderUTF8(value_str, 0, bar_right, getRect().getHeight(), 
+			LLColor4(1.f, 1.f, 1.f, 0.5f),
+			LLFontGL::RIGHT, LLFontGL::TOP);
 	}
 	else
 	{
-		value_format = llformat( "%%.%df", mPrecision);
-		value_str = llformat( value_format.c_str(), mValue);
+		LLFontGL::getFontMonospace()->renderUTF8(value_str, 0, bar_right, getRect().getHeight(), 
+			LLColor4(1.f, 1.f, 1.f, 0.5f),
+			LLFontGL::RIGHT, LLFontGL::TOP);
 	}
 
-	// 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);
-
-	value_format = llformat( "%%.%df", mPrecision);
-	if (mDisplayBar)
+	if (mDisplayBar && (mCountFloatp || mEventFloatp || mSampleFloatp))
 	{
-		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)
+		S32 last_tick = 0;
+		S32 last_label = 0;
+		const S32 MIN_TICK_SPACING  = mOrientation == HORIZONTAL ? 20 : 30;
+		const S32 MIN_LABEL_SPACING = mOrientation == HORIZONTAL ? 30 : 60;
+		// start counting from actual min, not current, animating min, so that ticks don't float between numbers
+		// ensure ticks always hit 0
+		if (mTickValue > 0.f)
 		{
-			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));
-		}
+			F32 start = mCurMinBar < 0.f
+				? llceil(-mCurMinBar / mTickValue) * -mTickValue
+				: 0.f;
+			for (F32 tick_value = start; ;tick_value += mTickValue)
+			{
+				const S32 begin = llfloor((tick_value - mCurMinBar)*value_scale);
+				const S32 end = begin + tick_width;
+				if (begin - last_tick < MIN_TICK_SPACING)
+				{
+					continue;
+				}
+				last_tick = begin;
 
-		// Draw the tick labels (and big ticks).
-		bottom = bar_top - bar_height - tick_height;
-		for (tick_value = mMinBar; tick_value <= mMaxBar; 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));
-
-			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);
-		}
+				S32 decimal_digits = mDecimalDigits;
+				if (is_approx_equal((F32)(S32)tick_value, tick_value))
+				{
+					decimal_digits = 0;
+				}
+				std::string tick_string = llformat("%10.*f", decimal_digits, tick_value);
 
-		// Now, draw the bars
-		top = bar_top;
-		bottom = bar_top - bar_height;
+				if (mOrientation == HORIZONTAL)
+				{
+					if (begin - last_label > MIN_LABEL_SPACING)
+					{
+						gl_rect_2d(bar_left, end, bar_right - tick_length, begin, LLColor4(1.f, 1.f, 1.f, 0.25f));
+						LLFontGL::getFontMonospace()->renderUTF8(tick_string, 0, bar_right, begin,
+							LLColor4(1.f, 1.f, 1.f, 0.5f),
+							LLFontGL::LEFT, LLFontGL::VCENTER);
+						last_label = begin;
+					}
+					else
+					{
+						gl_rect_2d(bar_left, end, bar_right - tick_length/2, begin, LLColor4(1.f, 1.f, 1.f, 0.1f));
+					}
+				}
+				else
+				{
+					if (begin - last_label > MIN_LABEL_SPACING)
+					{
+						gl_rect_2d(begin, bar_top, end, bar_bottom - tick_length, LLColor4(1.f, 1.f, 1.f, 0.25f));
+						LLFontGL::getFontMonospace()->renderUTF8(tick_string, 0, begin - 1, bar_bottom - tick_length,
+							LLColor4(1.f, 1.f, 1.f, 0.5f),
+							LLFontGL::RIGHT, LLFontGL::TOP);
+						last_label = begin;
+					}
+					else
+					{
+						gl_rect_2d(begin, bar_top, end, bar_bottom - tick_length/2, LLColor4(1.f, 1.f, 1.f, 0.1f));
+					}
+				}
+				// always draw one tick value past end, so we can see part of the text, if possible
+				if (tick_value > mCurMaxBar)
+				{
+					break;
+				}
+			}
+		}
 
 		// 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.getNumRecordedPeriods() == 0)
 		{
 			// No data, don't draw anything...
 			return;
 		}
+
 		// draw min and max
-		left = (S32) ((min - mMinBar) * value_scale);
+		S32 begin = (S32) ((min - mCurMinBar) * 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 - mCurMinBar) * 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));
+		}
 
-		S32 num_values = mStatp->getNumValues() - 1;
-		if (mDisplayHistory)
+		F32 span = (mOrientation == HORIZONTAL)
+					? (bar_right - bar_left)
+					: (bar_top - bar_bottom);
+
+		if (mDisplayHistory && (mCountFloatp || mEventFloatp || mSampleFloatp))
 		{
+			const S32 num_values = frame_recording.getNumRecordedPeriods() - 1;
+			F32 value = 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.getPrevRecording(i);
+
+				if (mCountFloatp)
 				{
-					continue;
+					value       = mPerSec 
+									? recording.getPerSec(*mCountFloatp) 
+									: recording.getSum(*mCountFloatp);
+					num_samples = recording.getSampleCount(*mCountFloatp);
+				}
+				else if (mEventFloatp)
+				{
+					value       = recording.getMean(*mEventFloatp);
+					num_samples = recording.getSampleCount(*mEventFloatp);
+				}
+				else if (mSampleFloatp)
+				{
+					value       = recording.getMean(*mSampleFloatp);
+					num_samples = recording.getSampleCount(*mSampleFloatp);
 				}
-				if (mPerSec)
+				
+				if (!num_samples) continue;
+
+				F32 begin = (value  - mCurMinBar) * value_scale;
+				if (mOrientation == HORIZONTAL)
 				{
-					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));
+					gGL.vertex2f((F32)bar_right - offset, begin + 1);
+					gGL.vertex2f((F32)bar_right - offset, begin);
+					gGL.vertex2f((F32)bar_right - offset - 1, begin);
+					gGL.vertex2f((F32)bar_right - offset - 1, begin + 1);
 				}
 				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.vertex2f(begin, (F32)bar_bottom + offset + 1);
+					gGL.vertex2f(begin, (F32)bar_bottom + offset);
+					gGL.vertex2f(begin + 1, (F32)bar_bottom + offset);
+					gGL.vertex2f(begin + 1, (F32)bar_bottom + offset + 1 );
 				}
 			}
+			gGL.end();
 		}
 		else
 		{
+			S32 begin = (S32) ((current - mCurMinBar) * value_scale) - 1;
+			S32 end = (S32) ((current - mCurMinBar) * 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 - mCurMinBar) * value_scale) - 1;
+			const S32 end = (S32) ((mean - mCurMinBar) * 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::setRange(F32 bar_min, F32 bar_max, F32 tick_spacing, F32 label_spacing)
+void LLStatBar::setStat(const std::string& stat_name)
+{
+	mCountFloatp	= LLTrace::TraceType<LLTrace::CountAccumulator>::getInstance(stat_name);
+	mEventFloatp	= LLTrace::TraceType<LLTrace::EventAccumulator>::getInstance(stat_name);
+	mSampleFloatp	= LLTrace::TraceType<LLTrace::SampleAccumulator>::getInstance(stat_name);
+}
+
+
+void LLStatBar::setRange(F32 bar_min, F32 bar_max)
 {
-	mMinBar = bar_min;
-	mMaxBar = bar_max;
-	mTickSpacing = tick_spacing;
-	mLabelSpacing = label_spacing;
+	mMinBar		= llmin(bar_min, bar_max);
+	mMaxBar		= llmax(bar_min, bar_max);
+	mTickValue	= calc_tick_value(mMinBar, mMaxBar);
 }
 
 LLRect LLStatBar::getRequiredRect()
@@ -272,7 +556,7 @@ LLRect LLStatBar::getRequiredRect()
 	{
 		if (mDisplayHistory)
 		{
-			rect.mTop = 35 + mStatp->getNumBins();
+			rect.mTop = mMaxHeight;
 		}
 		else
 		{
@@ -285,3 +569,4 @@ LLRect LLStatBar::getRequiredRect()
 	}
 	return rect;
 }
+