From 6c7825107f6ebb3dd8697a52aeb5d29a93060dc4 Mon Sep 17 00:00:00 2001
From: Richard Linden <none@none>
Date: Tue, 4 Dec 2012 19:10:02 -0800
Subject: SH-3406 WIP convert fast timers to lltrace system added copy
 constructor to periodic recording to allow snapshot generation in fast timer
 view fixed build errors

---
 indra/llcommon/lltrace.h            |  4 ++--
 indra/llcommon/lltracerecording.cpp | 14 ++++++++++++++
 indra/llcommon/lltracerecording.h   |  3 +++
 3 files changed, 19 insertions(+), 2 deletions(-)

(limited to 'indra/llcommon')

diff --git a/indra/llcommon/lltrace.h b/indra/llcommon/lltrace.h
index 9e275da647..a6b1b227c9 100644
--- a/indra/llcommon/lltrace.h
+++ b/indra/llcommon/lltrace.h
@@ -213,10 +213,10 @@ namespace LLTrace
 	:	 public LLInstanceTracker<TraceType<ACCUMULATOR>, std::string>
 	{
 	public:
-		TraceType(const char* name, const char* description = "")
+		TraceType(const char* name, const char* description = NULL)
 		:	LLInstanceTracker(name),
 			mName(name),
-			mDescription(description)	
+			mDescription(description ? description : "")	
 		{
 			mAccumulatorIndex = AccumulatorBuffer<ACCUMULATOR>::getDefaultBuffer().reserveSlot();
 		}
diff --git a/indra/llcommon/lltracerecording.cpp b/indra/llcommon/lltracerecording.cpp
index 0d4d07faf6..7ed7e57570 100644
--- a/indra/llcommon/lltracerecording.cpp
+++ b/indra/llcommon/lltracerecording.cpp
@@ -305,6 +305,20 @@ PeriodicRecording::PeriodicRecording( S32 num_periods, EStopWatchState state)
 	initTo(state);
 }
 
+PeriodicRecording::PeriodicRecording(PeriodicRecording& other)
+:	mNumPeriods(other.mNumPeriods),
+	mCurPeriod(other.mCurPeriod),
+	mTotalValid(other.mTotalValid),
+	mTotalRecording(other.mTotalRecording)
+{
+	mRecordingPeriods = new Recording[mNumPeriods];
+	for (S32 i = 0; i < mNumPeriods; i++)
+	{
+		mRecordingPeriods[i] = other.mRecordingPeriods[i];
+	}
+}
+
+
 PeriodicRecording::~PeriodicRecording()
 {
 	delete[] mRecordingPeriods;
diff --git a/indra/llcommon/lltracerecording.h b/indra/llcommon/lltracerecording.h
index efed3f662e..a3af215dd3 100644
--- a/indra/llcommon/lltracerecording.h
+++ b/indra/llcommon/lltracerecording.h
@@ -234,6 +234,7 @@ namespace LLTrace
 	{
 	public:
 		PeriodicRecording(S32 num_periods, EStopWatchState state = STOPPED);
+		PeriodicRecording(PeriodicRecording& recording);
 		~PeriodicRecording();
 
 		void nextPeriod();
@@ -261,11 +262,13 @@ namespace LLTrace
 
 		Recording& getPrevRecordingPeriod(S32 offset)
 		{
+			offset = llclamp(offset, 0, mNumPeriods - 1);
 			return mRecordingPeriods[(mCurPeriod + mNumPeriods - offset) % mNumPeriods];
 		}
 
 		const Recording& getPrevRecordingPeriod(S32 offset) const
 		{
+			offset = llclamp(offset, 0, mNumPeriods - 1);
 			return mRecordingPeriods[(mCurPeriod + mNumPeriods - offset) % mNumPeriods];
 		}
 
-- 
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