From e416840f85dc4a367894036b9fe483f17d959c54 Mon Sep 17 00:00:00 2001
From: Tofu Linden <tofu.linden@lindenlab.com>
Date: Tue, 24 Aug 2010 19:22:00 +0100
Subject: Backed out changeset c3d41f18ce2b back-out the back-out for this
 branch.  yay.

---
 indra/newview/llappviewer.cpp | 74 +++++++++++++++++++++++--------------------
 1 file changed, 40 insertions(+), 34 deletions(-)

(limited to 'indra/newview/llappviewer.cpp')

diff --git a/indra/newview/llappviewer.cpp b/indra/newview/llappviewer.cpp
index 7f4ba2f2d2..bfe3e52657 100644
--- a/indra/newview/llappviewer.cpp
+++ b/indra/newview/llappviewer.cpp
@@ -955,6 +955,11 @@ static LLFastTimer::DeclareTimer FTM_LFS("LFS Thread");
 static LLFastTimer::DeclareTimer FTM_PAUSE_THREADS("Pause Threads");
 static LLFastTimer::DeclareTimer FTM_IDLE("Idle");
 static LLFastTimer::DeclareTimer FTM_PUMP("Pump");
+static LLFastTimer::DeclareTimer FTM_PUMP_ARES("Ares");
+static LLFastTimer::DeclareTimer FTM_PUMP_SERVICE("Service");
+static LLFastTimer::DeclareTimer FTM_SERVICE_CALLBACK("Callback");
+static LLFastTimer::DeclareTimer FTM_AGENT_AUTOPILOT("Autopilot");
+static LLFastTimer::DeclareTimer FTM_AGENT_UPDATE("Update");
 
 bool LLAppViewer::mainLoop()
 {
@@ -1064,10 +1069,20 @@ bool LLAppViewer::mainLoop()
 						LLMemType mt_ip(LLMemType::MTYPE_IDLE_PUMP);
 						pingMainloopTimeout("Main:ServicePump");				
 						LLFastTimer t4(FTM_PUMP);
-						gAres->process();
-						// this pump is necessary to make the login screen show up
-						gServicePump->pump();
-						gServicePump->callback();
+						{
+							LLFastTimer t(FTM_PUMP_ARES);
+							gAres->process();
+						}
+						{
+							LLFastTimer t(FTM_PUMP_SERVICE);
+							// this pump is necessary to make the login screen show up
+							gServicePump->pump();
+
+							{
+								LLFastTimer t(FTM_SERVICE_CALLBACK);
+								gServicePump->callback();
+							}
+						}
 					}
 					
 					resumeMainloopTimeout();
@@ -1102,8 +1117,7 @@ bool LLAppViewer::mainLoop()
 			{
 				LLMemType mt_sleep(LLMemType::MTYPE_SLEEP);
 				LLFastTimer t2(FTM_SLEEP);
-				bool run_multiple_threads = gSavedSettings.getBOOL("RunMultipleThreads");
-
+				
 				// yield some time to the os based on command line option
 				if(mYieldTime >= 0)
 				{
@@ -1141,9 +1155,7 @@ bool LLAppViewer::mainLoop()
 				}
 
 				static const F64 FRAME_SLOW_THRESHOLD = 0.5; //2 frames per seconds				
-				const F64 min_frame_time = 0.0; //(.0333 - .0010); // max video frame rate = 30 fps
-				const F64 min_idle_time = 0.0; //(.0010); // min idle time = 1 ms
-				const F64 max_idle_time = run_multiple_threads ? min_idle_time : llmin(.005*10.0*gFrameTimeSeconds, 0.005); // 5 ms a second
+				const F64 max_idle_time = llmin(.005*10.0*gFrameTimeSeconds, 0.005); // 5 ms a second
 				idleTimer.reset();
 				bool is_slow = (frameTimer.getElapsedTimeF64() > FRAME_SLOW_THRESHOLD) ;
 				S32 total_work_pending = 0;
@@ -1181,34 +1193,24 @@ bool LLAppViewer::mainLoop()
 
 					total_work_pending += work_pending ;
 					total_io_pending += io_pending ;
-					F64 frame_time = frameTimer.getElapsedTimeF64();
-					F64 idle_time = idleTimer.getElapsedTimeF64();
-					if (frame_time >= min_frame_time &&
-						idle_time >= min_idle_time &&
-						(!work_pending || idle_time >= max_idle_time))
+					
+					if (!work_pending || idleTimer.getElapsedTimeF64() >= max_idle_time)
 					{
 						break;
 					}
 				}
 
-				 // Prevent the worker threads from running while rendering.
-				// if (LLThread::processorCount()==1) //pause() should only be required when on a single processor client...
-				if (run_multiple_threads == FALSE)
+				if(!total_work_pending) //pause texture fetching threads if nothing to process.
 				{
-					//LLFastTimer ftm(FTM_PAUSE_THREADS); //not necessary.
-	 				
-					if(!total_work_pending) //pause texture fetching threads if nothing to process.
-					{
-						LLAppViewer::getTextureCache()->pause();
-						LLAppViewer::getImageDecodeThread()->pause();
-						LLAppViewer::getTextureFetch()->pause(); 
-					}
-					if(!total_io_pending) //pause file threads if nothing to process.
-					{
-						LLVFSThread::sLocal->pause(); 
-						LLLFSThread::sLocal->pause(); 
-					}
-				}					
+					LLAppViewer::getTextureCache()->pause();
+					LLAppViewer::getImageDecodeThread()->pause();
+					LLAppViewer::getTextureFetch()->pause(); 
+				}
+				if(!total_io_pending) //pause file threads if nothing to process.
+				{
+					LLVFSThread::sLocal->pause(); 
+					LLLFSThread::sLocal->pause(); 
+				}									
 
 				if ((LLStartUp::getStartupState() >= STATE_CLEANUP) &&
 					(frameTimer.getElapsedTimeF64() > FRAME_STALL_THRESHOLD))
@@ -3560,9 +3562,12 @@ void LLAppViewer::idle()
 			gAgent.moveYaw(-1.f);
 		}
 
-	    // Handle automatic walking towards points
-	    gAgentPilot.updateTarget();
-	    gAgent.autoPilot(&yaw);
+		{
+			LLFastTimer t(FTM_AGENT_AUTOPILOT);
+			// Handle automatic walking towards points
+			gAgentPilot.updateTarget();
+			gAgent.autoPilot(&yaw);
+		}
     
 	    static LLFrameTimer agent_update_timer;
 	    static U32 				last_control_flags;
@@ -3573,6 +3578,7 @@ void LLAppViewer::idle()
 		    
 	    if (flags_changed || (agent_update_time > (1.0f / (F32) AGENT_UPDATES_PER_SECOND)))
 	    {
+		    LLFastTimer t(FTM_AGENT_UPDATE);
 		    // Send avatar and camera info
 		    last_control_flags = gAgent.getControlFlags();
 		    send_agent_update(TRUE);
-- 
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