From dbe7ad5c680683fee2a55c26f6d7f504cac48c5b Mon Sep 17 00:00:00 2001
From: Rye Mutt <rye@alchemyviewer.org>
Date: Thu, 27 Aug 2020 23:52:22 -0400
Subject: [PATCH] Remove pointless main loop sleep that breaks high refresh
monitor rendering
---
.../newview/app_settings/settings_alchemy.xml | 11 -----------
indra/newview/llappviewer.cpp | 19 -------------------
2 files changed, 30 deletions(-)
diff --git a/indra/newview/app_settings/settings_alchemy.xml b/indra/newview/app_settings/settings_alchemy.xml
index e94a7295262..75b8c728176 100644
--- a/indra/newview/app_settings/settings_alchemy.xml
+++ b/indra/newview/app_settings/settings_alchemy.xml
@@ -288,17 +288,6 @@
<key>Value</key>
<integer>0</integer>
</map>
- <key>AlchemyMainLoopSleep</key>
- <map>
- <key>Comment</key>
- <string>Sleep main loop after 90-ish fps threshold to reduce needless gpu strain</string>
- <key>Persist</key>
- <integer>1</integer>
- <key>Type</key>
- <string>Boolean</string>
- <key>Value</key>
- <integer>1</integer>
- </map>
<key>AlchemyMapShowAgentCount</key>
<map>
<key>Comment</key>
diff --git a/indra/newview/llappviewer.cpp b/indra/newview/llappviewer.cpp
index a73ff79b7fd..d0c19793865 100644
--- a/indra/newview/llappviewer.cpp
+++ b/indra/newview/llappviewer.cpp
@@ -1493,25 +1493,6 @@ bool LLAppViewer::doFrame()
display();
- static const LLCachedControl<bool> sleep_main_loop(gSavedSettings, "AlchemyMainLoopSleep", true);
- if (sleep_main_loop)
- {
- static U64 last_call = 0;
- if (!gTeleportDisplay || gGLManager.mIsIntel) // SL-10625...throttle early, throttle often with Intel
- {
- // Frame/draw throttling
- U64 elapsed_time = LLTimer::getTotalTime() - last_call;
- if (elapsed_time < mMinMicroSecPerFrame)
- {
- LL_RECORD_BLOCK_TIME(FTM_SLEEP);
- // llclamp for when time function gets funky
- U64 sleep_time = llclamp(mMinMicroSecPerFrame - elapsed_time, (U64)1, (U64)1e6);
- micro_sleep(sleep_time);
- }
- }
- last_call = LLTimer::getTotalTime();
- }
-
pingMainloopTimeout("Main:Snapshot");
LLFloaterSnapshot::update(); // take snapshots
LLFloaterOutfitSnapshot::update();
--
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