Merge branch 'develop' into marchcat/b-develop

# Conflicts: # indra/newview/llvoicewebrtc.cpp
author: Andrey Lihatskiy <alihatskiy@productengine.com> 2024-08-21 19:55:59 +0300
committer: Andrey Lihatskiy <alihatskiy@productengine.com> 2024-08-21 19:55:59 +0300
commit: 8756727a525f3c4f72d790adafb8d719dfc24a94 (patch)
tree: ee201c54b5e218ed449bb90c398355c0c88ffa4e
parent: 8f07f8e233ed5ed6c5a7b6f797d0ee7b18b652e2 (diff)
parent: 4bda6873ee7baac1ac34f92178d871c430da88c6 (diff)
86 files changed, 529 insertions, 619 deletions
diff --git a/.clang-format b/.clang-format
index 90124fb04b..f5a49845d0 100644
--- a/.clang-format
+++ b/.clang-format
@@ -2,7 +2,7 @@
 # clang-format version 10.0.0+
 Language:        Cpp
 # BasedOnStyle:  Microsoft
-AccessModifierOffset: -2
+AccessModifierOffset: -4
 AlignAfterOpenBracket: Align
 AlignConsecutiveMacros: true
 AlignConsecutiveAssignments: true
@@ -15,14 +15,14 @@ AllowAllConstructorInitializersOnNextLine: false
 AllowAllParametersOfDeclarationOnNextLine: false
 AllowShortBlocksOnASingleLine: Always
 AllowShortCaseLabelsOnASingleLine: false
-AllowShortFunctionsOnASingleLine: All
-AllowShortLambdasOnASingleLine: All
+AllowShortFunctionsOnASingleLine: InlineOnly
+AllowShortLambdasOnASingleLine: Inline
 AllowShortIfStatementsOnASingleLine: Never
 AllowShortLoopsOnASingleLine: false
 AlwaysBreakAfterDefinitionReturnType: None
 AlwaysBreakAfterReturnType: None
 AlwaysBreakBeforeMultilineStrings: false
-AlwaysBreakTemplateDeclarations: MultiLine
+AlwaysBreakTemplateDeclarations: Yes
 BinPackArguments: true
 BinPackParameters: true
 BreakBeforeBinaryOperators: None
@@ -67,7 +67,7 @@ IndentCaseLabels: true
 IndentGotoLabels: true
 IndentPPDirectives: None
 IndentWidth:     4
-IndentWrappedFunctionNames: false
+IndentWrappedFunctionNames: true
 JavaScriptQuotes: Leave
 JavaScriptWrapImports: true
 KeepEmptyLinesAtTheStartOfBlocks: false
@@ -91,9 +91,9 @@ PointerAlignment: Left
 ReflowComments:  true
 SortIncludes:    false
 SortUsingDeclarations: true
-SpaceAfterCStyleCast: true
+SpaceAfterCStyleCast: false
 SpaceAfterLogicalNot: false
-SpaceAfterTemplateKeyword: true
+SpaceAfterTemplateKeyword: false
 SpaceBeforeAssignmentOperators: true
 SpaceBeforeCpp11BracedList: false
 SpaceBeforeCtorInitializerColon: true
@@ -102,8 +102,8 @@ SpaceBeforeParens: ControlStatements
 SpaceBeforeRangeBasedForLoopColon: true
 SpaceInEmptyBlock: false
 SpaceInEmptyParentheses: false
-SpacesBeforeTrailingComments: 2
-SpacesInAngles:  false
+SpacesBeforeTrailingComments: 1
+SpacesInAngles:  Never
 SpacesInContainerLiterals: false
 SpacesInCStyleCastParentheses: false
 SpacesInParentheses: false
diff --git a/autobuild.xml b/autobuild.xml
index 56c60e7fd6..0c91e4b13d 100644
--- a/autobuild.xml
+++ b/autobuild.xml
@@ -131,6 +131,16 @@
       </map>
       <key>boost</key>
       <map>
+        <key>copyright</key>
+        <string>(see individual source files)</string>
+        <key>description</key>
+        <string>Boost C++ Libraries</string>
+        <key>license</key>
+        <string>boost 1.0</string>
+        <key>license_file</key>
+        <string>LICENSES/boost.txt</string>
+        <key>name</key>
+        <string>boost</string>
         <key>platforms</key>
         <map>
           <key>darwin64</key>
@@ -138,11 +148,11 @@
             <key>archive</key>
             <map>
               <key>hash</key>
-              <string>e86c0dba9fe7ede25fe00a1435421bce62077dc1</string>
+              <string>6bf5f4afddf87d48c069d781b5ef2d44d6ddf2d5</string>
               <key>hash_algorithm</key>
               <string>sha1</string>
               <key>url</key>
-              <string>https://github.com/secondlife/3p-boost/releases/download/v1.85.0-r3/boost-1.85-darwin64-10333387089.tar.zst</string>
+              <string>https://github.com/secondlife/3p-boost/releases/download/v1.86.0-e2bee1e/boost-1.86-darwin64-10475904468.tar.zst</string>
             </map>
             <key>name</key>
             <string>darwin64</string>
@@ -152,11 +162,11 @@
             <key>archive</key>
             <map>
               <key>hash</key>
-              <string>30e1096fede786e5553a7c65b9d55dea9555bef3</string>
+              <string>3c0ba2a87e78d76c81da95fa87579bf4964242e1</string>
               <key>hash_algorithm</key>
               <string>sha1</string>
               <key>url</key>
-              <string>https://github.com/secondlife/3p-boost/releases/download/v1.85.0-r3/boost-1.85-linux64-10333387089.tar.zst</string>
+              <string>https://github.com/secondlife/3p-boost/releases/download/v1.86.0-e2bee1e/boost-1.86-linux64-10475904468.tar.zst</string>
             </map>
             <key>name</key>
             <string>linux64</string>
@@ -166,28 +176,18 @@
             <key>archive</key>
             <map>
               <key>hash</key>
-              <string>e640611a7e4b245c8900048b995e243fb68b90c9</string>
+              <string>d1dd5d629b254d1b361c5a0fa210b5f3283e8a20</string>
               <key>hash_algorithm</key>
               <string>sha1</string>
               <key>url</key>
-              <string>https://github.com/secondlife/3p-boost/releases/download/v1.85.0-r3/boost-1.85-windows64-10333387089.tar.zst</string>
+              <string>https://github.com/secondlife/3p-boost/releases/download/v1.86.0-e2bee1e/boost-1.86-windows64-10475904468.tar.zst</string>
             </map>
             <key>name</key>
             <string>windows64</string>
           </map>
         </map>
-        <key>license</key>
-        <string>boost 1.0</string>
-        <key>license_file</key>
-        <string>LICENSES/boost.txt</string>
-        <key>copyright</key>
-        <string>(see individual source files)</string>
         <key>version</key>
-        <string>1.85</string>
-        <key>name</key>
-        <string>boost</string>
-        <key>description</key>
-        <string>Boost C++ Libraries</string>
+        <string>1.86</string>
       </map>
       <key>bugsplat</key>
       <map>
@@ -237,6 +237,14 @@
       </map>
       <key>colladadom</key>
       <map>
+        <key>copyright</key>
+        <string>Copyright 2006 Sony Computer Entertainment Inc.</string>
+        <key>license</key>
+        <string>SCEA</string>
+        <key>license_file</key>
+        <string>LICENSES/collada.txt</string>
+        <key>name</key>
+        <string>colladadom</string>
         <key>platforms</key>
         <map>
           <key>darwin64</key>
@@ -244,11 +252,11 @@
             <key>archive</key>
             <map>
               <key>hash</key>
-              <string>ebe9defd8911b1e6d8783aebd692674845095630</string>
+              <string>18b46ce8ebb5ae6ef6527b4e95408433e29ad3f4</string>
               <key>hash_algorithm</key>
               <string>sha1</string>
               <key>url</key>
-              <string>https://github.com/secondlife/3p-colladadom/releases/download/v2.3-r7/colladadom-2.3.0-r7-darwin64-10342904699.tar.zst</string>
+              <string>https://github.com/secondlife/3p-colladadom/releases/download/v2.3-r8/colladadom-2.3.0-r8-darwin64-10476582237.tar.zst</string>
             </map>
             <key>name</key>
             <string>darwin64</string>
@@ -258,11 +266,11 @@
             <key>archive</key>
             <map>
               <key>hash</key>
-              <string>083f93911f6b6501fdc5a5985b2e379f3b9803cd</string>
+              <string>c088fe0be9ce7e42983c3c7708abe4ac8bd5a894</string>
               <key>hash_algorithm</key>
               <string>sha1</string>
               <key>url</key>
-              <string>https://github.com/secondlife/3p-colladadom/releases/download/v2.3-r7/colladadom-2.3.0-r7-linux64-10342904699.tar.zst</string>
+              <string>https://github.com/secondlife/3p-colladadom/releases/download/v2.3-r8/colladadom-2.3.0-r8-linux64-10476582237.tar.zst</string>
             </map>
             <key>name</key>
             <string>linux64</string>
@@ -272,26 +280,18 @@
             <key>archive</key>
             <map>
               <key>hash</key>
-              <string>6ba23076b439a62bb346ebaeb1656a645bf71177</string>
+              <string>8bfa9f1a78d077f3bd422f14ae360150b98c82f9</string>
               <key>hash_algorithm</key>
               <string>sha1</string>
               <key>url</key>
-              <string>https://github.com/secondlife/3p-colladadom/releases/download/v2.3-r7/colladadom-2.3.0-r7-windows64-10342904699.tar.zst</string>
+              <string>https://github.com/secondlife/3p-colladadom/releases/download/v2.3-r8/colladadom-2.3.0-r8-windows64-10476582237.tar.zst</string>
             </map>
             <key>name</key>
             <string>windows64</string>
           </map>
         </map>
-        <key>license</key>
-        <string>SCEA</string>
-        <key>license_file</key>
-        <string>LICENSES/collada.txt</string>
-        <key>copyright</key>
-        <string>Copyright 2006 Sony Computer Entertainment Inc.</string>
         <key>version</key>
-        <string>2.3.0-r7</string>
-        <key>name</key>
-        <string>colladadom</string>
+        <string>2.3.0-r8</string>
       </map>
       <key>cubemaptoequirectangular</key>
       <map>
@@ -739,6 +739,16 @@
       </map>
       <key>freetype</key>
       <map>
+        <key>copyright</key>
+        <string>Copyright 2006, 2007, 2008, 2009, 2010 by David Turner, Robert Wilhelm, and Werner Lemberg.</string>
+        <key>description</key>
+        <string>Font rendering library</string>
+        <key>license</key>
+        <string>FreeType</string>
+        <key>license_file</key>
+        <string>LICENSES/freetype.txt</string>
+        <key>name</key>
+        <string>freetype</string>
         <key>platforms</key>
         <map>
           <key>darwin64</key>
@@ -746,11 +756,11 @@
             <key>archive</key>
             <map>
               <key>hash</key>
-              <string>df465ce3048add93f76d1f13e0f04d21b3875b74</string>
+              <string>51ad743c8943602913eedd2b6e2309abf46849d8</string>
               <key>hash_algorithm</key>
               <string>sha1</string>
               <key>url</key>
-              <string>https://github.com/secondlife/3p-freetype/releases/download/v2.13.2-r1/freetype-2.13.2-r1-darwin64-10342925957.tar.zst</string>
+              <string>https://github.com/secondlife/3p-freetype/releases/download/v2.13.3-cb2e120/freetype-2.13.3-cb2e120-darwin64-10475886095.tar.zst</string>
             </map>
             <key>name</key>
             <string>darwin64</string>
@@ -760,11 +770,11 @@
             <key>archive</key>
             <map>
               <key>hash</key>
-              <string>7cdc4f27dfa6424400863c746b487199b765794e</string>
+              <string>bc27e272e004dc2fc573550e8c1cd8b4ad07f5b2</string>
               <key>hash_algorithm</key>
               <string>sha1</string>
               <key>url</key>
-              <string>https://github.com/secondlife/3p-freetype/releases/download/v2.13.2-r1/freetype-2.13.2-r1-linux64-10342925957.tar.zst</string>
+              <string>https://github.com/secondlife/3p-freetype/releases/download/v2.13.3-cb2e120/freetype-2.13.3-cb2e120-linux64-10475886095.tar.zst</string>
             </map>
             <key>name</key>
             <string>linux64</string>
@@ -774,28 +784,18 @@
             <key>archive</key>
             <map>
               <key>hash</key>
-              <string>44788d645b3bcf9a7aaf7c3a92d609fbb2b36413</string>
+              <string>01971b998122a17c97e3616c428cc77077a0c39a</string>
               <key>hash_algorithm</key>
               <string>sha1</string>
               <key>url</key>
-              <string>https://github.com/secondlife/3p-freetype/releases/download/v2.13.2-r1/freetype-2.13.2-r1-windows64-10342925957.tar.zst</string>
+              <string>https://github.com/secondlife/3p-freetype/releases/download/v2.13.3-cb2e120/freetype-2.13.3-cb2e120-windows64-10475886095.tar.zst</string>
             </map>
             <key>name</key>
             <string>windows64</string>
           </map>
         </map>
-        <key>license</key>
-        <string>FreeType</string>
-        <key>license_file</key>
-        <string>LICENSES/freetype.txt</string>
-        <key>copyright</key>
-        <string>Copyright 2006, 2007, 2008, 2009, 2010 by David Turner, Robert Wilhelm, and Werner Lemberg.</string>
         <key>version</key>
-        <string>2.13.2-r1</string>
-        <key>name</key>
-        <string>freetype</string>
-        <key>description</key>
-        <string>Font rendering library</string>
+        <string>2.13.3-cb2e120</string>
       </map>
       <key>glext</key>
       <map>
@@ -863,18 +863,6 @@
       </map>
       <key>glm</key>
       <map>
-        <key>canonical_repo</key>
-        <string>https://github.com/secondlife/3p-glm</string>
-        <key>copyright</key>
-        <string>Copyright (c) 2005 - G-Truc Creation</string>
-        <key>description</key>
-        <string>OpenGL Mathematics</string>
-        <key>license</key>
-        <string>MIT</string>
-        <key>license_file</key>
-        <string>LICENSES/glm_license.txt</string>
-        <key>name</key>
-        <string>glm</string>
         <key>platforms</key>
         <map>
           <key>common</key>
@@ -892,16 +880,28 @@
             <string>common</string>
           </map>
         </map>
-        <key>source_type</key>
-        <string>git</string>
+        <key>license</key>
+        <string>MIT</string>
+        <key>license_file</key>
+        <string>LICENSES/glm_license.txt</string>
+        <key>copyright</key>
+        <string>Copyright (c) 2005 - G-Truc Creation</string>
+        <key>version</key>
+        <string>v1.0.1</string>
+        <key>name</key>
+        <string>glm</string>
         <key>vcs_branch</key>
         <string>refs/tags/v1.0.1-r1</string>
         <key>vcs_revision</key>
         <string>399cd5ba57a9267a560ce07e50a0f8c5fe3dc66f</string>
         <key>vcs_url</key>
         <string>git://github.com/secondlife/3p-glm.git</string>
-        <key>version</key>
-        <string>v1.0.1</string>
+        <key>canonical_repo</key>
+        <string>https://github.com/secondlife/3p-glm</string>
+        <key>description</key>
+        <string>OpenGL Mathematics</string>
+        <key>source_type</key>
+        <string>git</string>
       </map>
       <key>gstreamer</key>
       <map>
@@ -1516,14 +1516,6 @@
       </map>
       <key>llphysicsextensions_source</key>
       <map>
-        <key>copyright</key>
-        <string>Copyright (c) 2010, Linden Research, Inc.</string>
-        <key>license</key>
-        <string>internal</string>
-        <key>license_file</key>
-        <string>LICENSES/llphysicsextensions.txt</string>
-        <key>name</key>
-        <string>llphysicsextensions_source</string>
         <key>platforms</key>
         <map>
           <key>darwin64</key>
@@ -1575,8 +1567,16 @@
             <string>windows64</string>
           </map>
         </map>
+        <key>license</key>
+        <string>internal</string>
+        <key>license_file</key>
+        <string>LICENSES/llphysicsextensions.txt</string>
+        <key>copyright</key>
+        <string>Copyright (c) 2010, Linden Research, Inc.</string>
         <key>version</key>
         <string>1.0.66e6919</string>
+        <key>name</key>
+        <string>llphysicsextensions_source</string>
       </map>
       <key>llphysicsextensions_stub</key>
       <map>
@@ -2153,16 +2153,6 @@ Copyright (c) 2012, 2014, 2015, 2016 nghttp2 contributors</string>
       </map>
       <key>openal</key>
       <map>
-        <key>copyright</key>
-        <string>Copyright (C) 1999-2007 by authors.</string>
-        <key>description</key>
-        <string>OpenAL Soft is a software implementation of the OpenAL 3D audio API.</string>
-        <key>license</key>
-        <string>LGPL2</string>
-        <key>license_file</key>
-        <string>LICENSES/openal-soft.txt</string>
-        <key>name</key>
-        <string>openal</string>
         <key>platforms</key>
         <map>
           <key>darwin64</key>
@@ -2208,8 +2198,18 @@ Copyright (c) 2012, 2014, 2015, 2016 nghttp2 contributors</string>
             <string>windows64</string>
           </map>
         </map>
+        <key>license</key>
+        <string>LGPL2</string>
+        <key>license_file</key>
+        <string>LICENSES/openal-soft.txt</string>
+        <key>copyright</key>
+        <string>Copyright (C) 1999-2007 by authors.</string>
         <key>version</key>
         <string>1.23.1</string>
+        <key>name</key>
+        <string>openal</string>
+        <key>description</key>
+        <string>OpenAL Soft is a software implementation of the OpenAL 3D audio API.</string>
       </map>
       <key>openjpeg</key>
       <map>
@@ -2764,11 +2764,11 @@ Copyright (c) 2012, 2014, 2015, 2016 nghttp2 contributors</string>
             <key>archive</key>
             <map>
               <key>hash</key>
-              <string>baabb11f324be350253b1fb58cf262c1aa19fa70</string>
+              <string>3570b6442d472cd97bad8622c2ec2571d72218a0</string>
               <key>hash_algorithm</key>
               <string>sha1</string>
               <key>url</key>
-              <string>https://github.com/secondlife/3p-webrtc-build/releases/download/m114.5735.08.67-debug/webrtc-m114.5735.08.67-debug.10190042668-darwin64-10190042668.tar.zst</string>
+              <string>https://github.com/secondlife/3p-webrtc-build/releases/download/m114.5735.08.72-test/webrtc-m114.5735.08.72-test.10444682919-darwin64-10444682919.tar.zst</string>
             </map>
             <key>name</key>
             <string>darwin64</string>
@@ -2778,11 +2778,11 @@ Copyright (c) 2012, 2014, 2015, 2016 nghttp2 contributors</string>
             <key>archive</key>
             <map>
               <key>hash</key>
-              <string>a13776c8f99f8975665be66ff8b51a80ba46c718</string>
+              <string>eadf6aa99313940ded11801d42c11375669f1628</string>
               <key>hash_algorithm</key>
               <string>sha1</string>
               <key>url</key>
-              <string>https://github.com/secondlife/3p-webrtc-build/releases/download/m114.5735.08.67-debug/webrtc-m114.5735.08.67-debug.10190042668-linux64-10190042668.tar.zst</string>
+              <string>https://github.com/secondlife/3p-webrtc-build/releases/download/m114.5735.08.72-test/webrtc-m114.5735.08.72-test.10444682919-linux64-10444682919.tar.zst</string>
             </map>
             <key>name</key>
             <string>linux64</string>
@@ -2792,11 +2792,11 @@ Copyright (c) 2012, 2014, 2015, 2016 nghttp2 contributors</string>
             <key>archive</key>
             <map>
               <key>hash</key>
-              <string>965ef5d65a14191a52ee9ec6a9a8a1d2ce3f2ffb</string>
+              <string>0081fd35290adbc8e66dd366535fb6cd8a966f1e</string>
               <key>hash_algorithm</key>
               <string>sha1</string>
               <key>url</key>
-              <string>https://github.com/secondlife/3p-webrtc-build/releases/download/m114.5735.08.67-debug/webrtc-m114.5735.08.67-debug.10190042668-windows64-10190042668.tar.zst</string>
+              <string>https://github.com/secondlife/3p-webrtc-build/releases/download/m114.5735.08.72-test/webrtc-m114.5735.08.72-test.10444682919-windows64-10444682919.tar.zst</string>
             </map>
             <key>name</key>
             <string>windows64</string>
@@ -2809,7 +2809,7 @@ Copyright (c) 2012, 2014, 2015, 2016 nghttp2 contributors</string>
         <key>copyright</key>
         <string>Copyright (c) 2011, The WebRTC project authors. All rights reserved.</string>
         <key>version</key>
-        <string>m114.5735.08.67-debug.10190042668</string>
+        <string>m114.5735.08.72-test.10444682919</string>
         <key>name</key>
         <string>webrtc</string>
         <key>vcs_branch</key>
@@ -2917,6 +2917,16 @@ Copyright (c) 2012, 2014, 2015, 2016 nghttp2 contributors</string>
       </map>
       <key>tinyexr</key>
       <map>
+        <key>copyright</key>
+        <string>Copyright (c) 2014 - 2021, Syoyo Fujita and many contributors.</string>
+        <key>description</key>
+        <string>tinyexr import library</string>
+        <key>license</key>
+        <string>3-clause BSD</string>
+        <key>license_file</key>
+        <string>LICENSES/tinyexr_license.txt</string>
+        <key>name</key>
+        <string>tinyexr</string>
         <key>platforms</key>
         <map>
           <key>common</key>
@@ -2924,36 +2934,26 @@ Copyright (c) 2012, 2014, 2015, 2016 nghttp2 contributors</string>
             <key>archive</key>
             <map>
               <key>hash</key>
-              <string>8278a2368136cb12319ca00e7aceb2829bf3ebd8</string>
+              <string>a9649f85e20c0b83acfd7b02ca19c1dcdd15f01e</string>
               <key>hash_algorithm</key>
               <string>sha1</string>
               <key>url</key>
-              <string>https://github.com/secondlife/3p-tinyexr/releases/download/v1.0.8-ba4bc64/tinyexr-v1.0.8-common-9373975608.tar.zst</string>
+              <string>https://github.com/secondlife/3p-tinyexr/releases/download/v1.0.9-5e8947c/tinyexr-1.0.9-5e8947c-common-10475846787.tar.zst</string>
             </map>
             <key>name</key>
             <string>common</string>
           </map>
         </map>
-        <key>license</key>
-        <string>3-clause BSD</string>
-        <key>license_file</key>
-        <string>LICENSES/tinyexr_license.txt</string>
-        <key>copyright</key>
-        <string>Copyright (c) 2014 - 2021, Syoyo Fujita and many contributors.</string>
-        <key>version</key>
-        <string>v1.0.8</string>
-        <key>name</key>
-        <string>tinyexr</string>
+        <key>source_type</key>
+        <string>git</string>
         <key>vcs_branch</key>
         <string>dependabot/github_actions/secondlife/action-autobuild-4</string>
         <key>vcs_revision</key>
         <string>4dc4d1d90d82a22843e2adf5130f9ecb5ee5769e</string>
         <key>vcs_url</key>
         <string>https://github.com/secondlife/3p-tinyexr</string>
-        <key>description</key>
-        <string>tinyexr import library</string>
-        <key>source_type</key>
-        <string>git</string>
+        <key>version</key>
+        <string>1.0.9-5e8947c</string>
       </map>
     </map>
     <key>package_description</key>
diff --git a/indra/cmake/Tracy.cmake b/indra/cmake/Tracy.cmake
index 3339c51ba0..d54a32fdc2 100644
--- a/indra/cmake/Tracy.cmake
+++ b/indra/cmake/Tracy.cmake
@@ -4,11 +4,17 @@ include(Prebuilt)
 include_guard()
 add_library( ll::tracy INTERFACE IMPORTED )
 
-option(USE_TRACY "Use Tracy profiler." OFF)
+# default Tracy profiling on for test builds, but off for all others
+string(TOLOWER ${VIEWER_CHANNEL} channel_lower)
+if(WINDOWS AND channel_lower MATCHES "^second life test")
+  option(USE_TRACY "Use Tracy profiler." ON)
+else()
+    option(USE_TRACY "Use Tracy profiler." OFF)
+endif()
 
 if (USE_TRACY)
-  option(USE_TRACY_ON_DEMAND "Use Tracy profiler." ON)
-  option(USE_TRACY_LOCAL_ONLY "Use Tracy profiler." OFF)
+  option(USE_TRACY_ON_DEMAND "Use on-demand Tracy profiling." ON)
+  option(USE_TRACY_LOCAL_ONLY "Disallow remote Tracy profiling." OFF)
 
   use_system_binary(tracy)
   use_prebuilt_binary(tracy)
diff --git a/indra/llappearance/lllocaltextureobject.h b/indra/llappearance/lllocaltextureobject.h
index 5505ef205a..a1b1178dee 100644
--- a/indra/llappearance/lllocaltextureobject.h
+++ b/indra/llappearance/lllocaltextureobject.h
@@ -27,8 +27,6 @@
 #ifndef LL_LOCALTEXTUREOBJECT_H
 #define LL_LOCALTEXTUREOBJECT_H
 
-#include <boost/shared_ptr.hpp>
-
 #include "llpointer.h"
 #include "llgltexture.h"
 
diff --git a/indra/llcommon/lldoubledispatch.h b/indra/llcommon/lldoubledispatch.h
index c8c566205a..25039c3e9c 100644
--- a/indra/llcommon/lldoubledispatch.h
+++ b/indra/llcommon/lldoubledispatch.h
@@ -30,7 +30,6 @@
 #define LL_LLDOUBLEDISPATCH_H
 
 #include <list>
-#include <boost/shared_ptr.hpp>
 #include <boost/function.hpp>
 #include <boost/bind.hpp>
 #include <boost/ref.hpp>
diff --git a/indra/llcommon/llerrorcontrol.h b/indra/llcommon/llerrorcontrol.h
index 1845fc42db..0a7b3d2046 100644
--- a/indra/llcommon/llerrorcontrol.h
+++ b/indra/llcommon/llerrorcontrol.h
@@ -32,7 +32,6 @@
 #include "llpointer.h"
 #include "llrefcount.h"
 #include "boost/function.hpp"
-#include "boost/shared_ptr.hpp"
 #include <string>
 
 class LLSD;
diff --git a/indra/llcommon/llinitparam.h b/indra/llcommon/llinitparam.h
index 206aa51ba3..32d7b17034 100644
--- a/indra/llcommon/llinitparam.h
+++ b/indra/llcommon/llinitparam.h
@@ -31,7 +31,6 @@
 #include <vector>
 #include <list>
 #include <boost/function.hpp>
-#include <boost/shared_ptr.hpp>
 #include <boost/type_traits/is_convertible.hpp>
 #include <boost/type_traits/is_enum.hpp>
 #include <boost/unordered_map.hpp>
diff --git a/indra/llcommon/llprocess.h b/indra/llcommon/llprocess.h
index 166da8f424..39ed29c1b4 100644
--- a/indra/llcommon/llprocess.h
+++ b/indra/llcommon/llprocess.h
@@ -32,7 +32,6 @@
 #include "llwin32headerslean.h"
 #include "llexception.h"
 #include "apr_thread_proc.h"
-#include <boost/shared_ptr.hpp>
 #include <boost/ptr_container/ptr_vector.hpp>
 #include <boost/optional.hpp>
 #include <boost/noncopyable.hpp>
diff --git a/indra/llcommon/llrun.h b/indra/llcommon/llrun.h
index 8061117ad5..70767572ff 100644
--- a/indra/llcommon/llrun.h
+++ b/indra/llcommon/llrun.h
@@ -30,7 +30,6 @@
 #define LL_LLRUN_H
 
 #include <vector>
-#include <boost/shared_ptr.hpp>
 
 class LLRunnable;
 
diff --git a/indra/llcommon/lltracethreadrecorder.cpp b/indra/llcommon/lltracethreadrecorder.cpp
index be3e585ef8..375cb050cc 100644
--- a/indra/llcommon/lltracethreadrecorder.cpp
+++ b/indra/llcommon/lltracethreadrecorder.cpp
@@ -159,7 +159,8 @@ AccumulatorBufferGroup* ThreadRecorder::activate( AccumulatorBufferGroup* record
 ThreadRecorder::active_recording_list_t::iterator ThreadRecorder::bringUpToDate( AccumulatorBufferGroup* recording )
 {
 #if LL_TRACE_ENABLED
-    if (mActiveRecordings.empty()) return mActiveRecordings.end();
+    if (mActiveRecordings.empty())
+        return mActiveRecordings.end();
 
     mActiveRecordings.back()->mPartialRecording.sync();
     BlockTimer::updateTimes();
@@ -202,7 +203,7 @@ ThreadRecorder::active_recording_list_t::iterator ThreadRecorder::bringUpToDate(
 #endif
 }
 
-void ThreadRecorder::deactivate( AccumulatorBufferGroup* recording )
+void ThreadRecorder::deactivate(AccumulatorBufferGroup* recording)
 {
 #if LL_TRACE_ENABLED
     active_recording_list_t::iterator recording_it = bringUpToDate(recording);
@@ -228,9 +229,10 @@ void ThreadRecorder::deactivate( AccumulatorBufferGroup* recording )
 #endif
 }
 
-ThreadRecorder::ActiveRecording::ActiveRecording( AccumulatorBufferGroup* target )
+ThreadRecorder::ActiveRecording::ActiveRecording(AccumulatorBufferGroup* target)
 :   mTargetRecording(target)
-{}
+{
+}
 
 void ThreadRecorder::ActiveRecording::movePartialToTarget()
 {
@@ -243,30 +245,30 @@ void ThreadRecorder::ActiveRecording::movePartialToTarget()
 
 
 // called by child thread
-void ThreadRecorder::addChildRecorder( class ThreadRecorder* child )
+void ThreadRecorder::addChildRecorder(ThreadRecorder* child)
 {
 #if LL_TRACE_ENABLED
-    { LLMutexLock lock(&mChildListMutex);
-        mChildThreadRecorders.push_back(child);
-    }
+    LLMutexLock lock(&mChildListMutex);
+    mChildThreadRecorders.push_back(child);
 #endif
 }
 
 // called by child thread
-void ThreadRecorder::removeChildRecorder( class ThreadRecorder* child )
+void ThreadRecorder::removeChildRecorder(ThreadRecorder* child)
 {
 #if LL_TRACE_ENABLED
-    { LLMutexLock lock(&mChildListMutex);
-        mChildThreadRecorders.remove(child);
-    }
+    LLMutexLock lock(&mChildListMutex);
+    mChildThreadRecorders.remove(child);
 #endif
 }
 
 void ThreadRecorder::pushToParent()
 {
 #if LL_TRACE_ENABLED
-    { LLMutexLock lock(&mSharedRecordingMutex);
-        LLTrace::get_thread_recorder()->bringUpToDate(&mThreadRecordingBuffers);
+    if (ThreadRecorder* recorder = LLTrace::get_thread_recorder())
+    {
+        LLMutexLock lock(&mSharedRecordingMutex);
+        recorder->bringUpToDate(&mThreadRecordingBuffers);
         mSharedRecordingBuffers.append(mThreadRecordingBuffers);
         mThreadRecordingBuffers.reset();
     }
@@ -278,15 +280,14 @@ void ThreadRecorder::pullFromChildren()
 {
 #if LL_TRACE_ENABLED
     LL_PROFILE_ZONE_SCOPED_CATEGORY_STATS;
-    if (mActiveRecordings.empty()) return;
-
-    { LLMutexLock lock(&mChildListMutex);
-
+    if (!mActiveRecordings.empty())
+    {
+        LLMutexLock lock(&mChildListMutex);
         AccumulatorBufferGroup& target_recording_buffers = mActiveRecordings.back()->mPartialRecording;
         target_recording_buffers.sync();
         for (LLTrace::ThreadRecorder* rec : mChildThreadRecorders)
-        { LLMutexLock lock(&(rec->mSharedRecordingMutex));
-
+        {
+            LLMutexLock lock(&(rec->mSharedRecordingMutex));
             target_recording_buffers.merge(rec->mSharedRecordingBuffers);
             rec->mSharedRecordingBuffers.reset();
         }
@@ -294,13 +295,11 @@ void ThreadRecorder::pullFromChildren()
 #endif
 }
 
-
-void set_master_thread_recorder( ThreadRecorder* recorder )
+void set_master_thread_recorder(ThreadRecorder* recorder)
 {
     sMasterThreadRecorder = recorder;
 }
 
-
 ThreadRecorder* get_master_thread_recorder()
 {
     return sMasterThreadRecorder;
diff --git a/indra/llcommon/tests/lleventcoro_test.cpp b/indra/llcommon/tests/lleventcoro_test.cpp
index a3c54ffaa2..ab174a8bde 100644
--- a/indra/llcommon/tests/lleventcoro_test.cpp
+++ b/indra/llcommon/tests/lleventcoro_test.cpp
@@ -30,8 +30,6 @@
 #include <boost/bind.hpp>
 #include <boost/range.hpp>
 #include <boost/utility.hpp>
-#include <boost/shared_ptr.hpp>
-#include <boost/make_shared.hpp>
 
 #include "linden_common.h"
 
diff --git a/indra/llcommon/tests/llinstancetracker_test.cpp b/indra/llcommon/tests/llinstancetracker_test.cpp
index c6eb0fdf75..bf661dc051 100644
--- a/indra/llcommon/tests/llinstancetracker_test.cpp
+++ b/indra/llcommon/tests/llinstancetracker_test.cpp
@@ -37,8 +37,6 @@
 #include <algorithm>                // std::sort()
 #include <stdexcept>
 // std headers
-// external library headers
-#include <boost/scoped_ptr.hpp>
 // other Linden headers
 #include "../test/lltut.h"
 
diff --git a/indra/llcorehttp/bufferarray.h b/indra/llcorehttp/bufferarray.h
index 0269d1785e..5105dbc4f7 100644
--- a/indra/llcorehttp/bufferarray.h
+++ b/indra/llcorehttp/bufferarray.h
@@ -30,7 +30,6 @@
 
 #include <cstdlib>
 #include <vector>
-#include "boost/intrusive_ptr.hpp"
 
 #include "_refcounted.h"
 
diff --git a/indra/llcorehttp/httpcommon.h b/indra/llcorehttp/httpcommon.h
index 0a1c5ed101..511a17e000 100644
--- a/indra/llcorehttp/httpcommon.h
+++ b/indra/llcorehttp/httpcommon.h
@@ -189,13 +189,9 @@
 
 #include "linden_common.h"      // Modifies curl/curl.h interfaces
 #include "llsd.h"
-#include "boost/intrusive_ptr.hpp"
-#include "boost/shared_ptr.hpp"
-#include "boost/weak_ptr.hpp"
-#include "boost/function.hpp"
-#include "boost/noncopyable.hpp"
 #include <string>
 #include <curl/curl.h>
+#include "boost/noncopyable.hpp"
 
 namespace LLCore
 {
diff --git a/indra/llimage/llimagej2c.cpp b/indra/llimage/llimagej2c.cpp
index 42f3e92257..4ec95bbcc3 100644
--- a/indra/llimage/llimagej2c.cpp
+++ b/indra/llimage/llimagej2c.cpp
@@ -31,7 +31,6 @@
 #include "llmath.h"
 #include "llmemory.h"
 #include "llsd.h"
-#include <boost/scoped_ptr.hpp>
 
 // Declare the prototype for this factory function here. It is implemented in
 // other files which define a LLImageJ2CImpl subclass, but only ONE static
diff --git a/indra/llimage/llimagej2c.h b/indra/llimage/llimagej2c.h
index 2a32e10bac..19744a7f87 100644
--- a/indra/llimage/llimagej2c.h
+++ b/indra/llimage/llimagej2c.h
@@ -30,7 +30,6 @@
 #include "llimage.h"
 #include "llassettype.h"
 #include "llmetricperformancetester.h"
-#include <boost/scoped_ptr.hpp>
 
 // JPEG2000 : compression rate used in j2c conversion.
 const F32 DEFAULT_COMPRESSION_RATE = 1.f/8.f;
diff --git a/indra/llinventory/llpermissionsflags.h b/indra/llinventory/llpermissionsflags.h
index aaf1fd3afb..0ab4de0ab2 100644
--- a/indra/llinventory/llpermissionsflags.h
+++ b/indra/llinventory/llpermissionsflags.h
@@ -37,48 +37,48 @@ typedef U32 PermissionBit;
 // Do you have permission to transfer ownership of the object or
 // item. Fair use rules dictate that if you cannot copy, you can
 // always transfer.
-const PermissionBit PERM_TRANSFER           = (1 << 13); // 0x00002000
+constexpr PermissionBit PERM_TRANSFER           = (1 << 13); // 0x00002000
 
 // objects, scale or change textures
 // parcels, allow building on it
-const PermissionBit PERM_MODIFY             = (1 << 14); // 0x00004000
+constexpr PermissionBit PERM_MODIFY             = (1 << 14); // 0x00004000
 
 // objects, allow copy
-const PermissionBit PERM_COPY               = (1 << 15); // 0x00008000
+constexpr PermissionBit PERM_COPY               = (1 << 15); // 0x00008000
 
 // parcels, allow entry, deprecated
-//const PermissionBit PERM_ENTER            = (1 << 16); // 0x00010000
+//constexpr PermissionBit PERM_ENTER            = (1 << 16); // 0x00010000
 
 // parcels, allow terraform, deprecated
-//const PermissionBit PERM_TERRAFORM        = (1 << 17); // 0x00020000
+//constexpr PermissionBit PERM_TERRAFORM        = (1 << 17); // 0x00020000
 
 // NOTA BENE: This flag is NO LONGER USED!!! However, it is possible that some
 // objects in the universe have it set so DON"T USE IT going forward.
-//const PermissionBit PERM_OWNER_DEBIT      = (1 << 18); // 0x00040000
+//constexpr PermissionBit PERM_OWNER_DEBIT      = (1 << 18); // 0x00040000
 
 // objects, can grab/translate/rotate
-const PermissionBit PERM_MOVE               = (1 << 19); // 0x00080000
+constexpr PermissionBit PERM_MOVE               = (1 << 19); // 0x00080000
 
 // parcels, avatars take damage, deprecated
 //const PermissionBit   PERM_DAMAGE         = (1 << 20); // 0x00100000
 
 // don't use bit 31 -- printf/scanf with "%x" assume signed numbers
-const PermissionBit PERM_RESERVED           = ((U32)1) << 31;
+constexpr PermissionBit PERM_RESERVED           = ((U32)1) << 31;
 
-const PermissionMask PERM_NONE              = 0x00000000;
-const PermissionMask PERM_ALL               = 0x7FFFFFFF;
-//const PermissionMask PERM_ALL_PARCEL      = PERM_MODIFY | PERM_ENTER | PERM_TERRAFORM | PERM_DAMAGE;
-const PermissionMask PERM_ITEM_UNRESTRICTED =  PERM_MODIFY | PERM_COPY | PERM_TRANSFER;
+constexpr PermissionMask PERM_NONE              = 0x00000000;
+constexpr PermissionMask PERM_ALL               = 0x7FFFFFFF;
+//constexpr PermissionMask PERM_ALL_PARCEL      = PERM_MODIFY | PERM_ENTER | PERM_TERRAFORM | PERM_DAMAGE;
+constexpr PermissionMask PERM_ITEM_UNRESTRICTED =  PERM_MODIFY | PERM_COPY | PERM_TRANSFER;
 
 
 // Useful stuff for transmission.
 // Which permissions field are we trying to change?
-const U8 PERM_BASE      = 0x01;
+constexpr U8 PERM_BASE      = 0x01;
 // TODO: Add another PERM_OWNER operation type for allowOperationBy  DK 04/03/06
-const U8 PERM_OWNER     = 0x02;
-const U8 PERM_GROUP     = 0x04;
-const U8 PERM_EVERYONE  = 0x08;
-const U8 PERM_NEXT_OWNER = 0x10;
+constexpr U8 PERM_OWNER     = 0x02;
+constexpr U8 PERM_GROUP     = 0x04;
+constexpr U8 PERM_EVERYONE  = 0x08;
+constexpr U8 PERM_NEXT_OWNER = 0x10;
 
 // This is just a quickie debugging key
 // no modify: PERM_ALL & ~PERM_MODIFY                  = 0x7fffbfff
diff --git a/indra/llmessage/lliopipe.h b/indra/llmessage/lliopipe.h
index a58ee045c2..1887b5cd9a 100644
--- a/indra/llmessage/lliopipe.h
+++ b/indra/llmessage/lliopipe.h
@@ -30,7 +30,6 @@
 #define LL_LLIOPIPE_H
 
 #include <boost/intrusive_ptr.hpp>
-#include <boost/shared_ptr.hpp>
 #include "llwin32headerslean.h"
 #include "apr_poll.h"
 
diff --git a/indra/llmessage/llservice.h b/indra/llmessage/llservice.h
index 6c32fa8102..7853e357f9 100644
--- a/indra/llmessage/llservice.h
+++ b/indra/llmessage/llservice.h
@@ -31,72 +31,10 @@
 
 #include <string>
 #include <map>
-//#include <boost/intrusive_ptr.hpp>
-//#include <boost/shared_ptr.hpp>
 
-//#include "llframetimer.h"
 #include "lliopipe.h"
 #include "llchainio.h"
 
-#if 0
-class LLServiceCreator;
-/**
- * intrusive pointer support
- */
-namespace boost
-{
-    void intrusive_ptr_add_ref(LLServiceCreator* p);
-    void intrusive_ptr_release(LLServiceCreator* p);
-};
-#endif
-
-/**
- * @class LLServiceCreator
- * @brief This class is an abstract base class for classes which create
- * new <code>LLService</code> instances.
- *
- * Derive classes from this class which appropriately implement the
- * <code>operator()</code> and destructor.
- * @see LLService
- */
-#if 0
-class LLServiceCreator
-{
-public:
-    typedef boost::intrusive_ptr<LLService> service_t;
-    virtual ~LLServiceCreator() {}
-    virtual service_t activate() = 0;
-    virtual void discard() = 0;
-
-protected:
-    LLServiceCreator() : mReferenceCount(0)
-    {
-    }
-
-private:
-    friend void boost::intrusive_ptr_add_ref(LLServiceCreator* p);
-    friend void boost::intrusive_ptr_release(LLServiceCreator* p);
-    U32 mReferenceCount;
-};
-#endif
-
-#if 0
-namespace boost
-{
-    inline void intrusive_ptr_add_ref(LLServiceCreator* p)
-    {
-        ++p->mReferenceCount;
-    }
-    inline void intrusive_ptr_release(LLServiceCreator* p)
-    {
-        if(p && 0 == --p->mReferenceCount)
-        {
-            delete p;
-        }
-    }
-};
-#endif
-
 /**
  * @class LLService
  * @brief This class is the base class for the service classes.
@@ -114,8 +52,6 @@ namespace boost
 class LLService : public LLIOPipe
 {
 public:
-    //typedef boost::intrusive_ptr<LLServiceCreator> creator_t;
-    //typedef boost::intrusive_ptr<LLService> service_t;
     typedef std::shared_ptr<LLChainIOFactory> creator_t;
 
     /**
diff --git a/indra/llmessage/llstoredmessage.h b/indra/llmessage/llstoredmessage.h
index 178b75ab04..2bd64fafd7 100644
--- a/indra/llmessage/llstoredmessage.h
+++ b/indra/llmessage/llstoredmessage.h
@@ -29,7 +29,6 @@
 
 #include "linden_common.h"
 #include "llsd.h"
-#include <boost/shared_ptr.hpp>
 #include <string>
 
 
diff --git a/indra/llmessage/message_string_table.cpp b/indra/llmessage/message_string_table.cpp
index 6d2157eec9..084c373265 100644
--- a/indra/llmessage/message_string_table.cpp
+++ b/indra/llmessage/message_string_table.cpp
@@ -88,4 +88,3 @@ char* LLMessageStringTable::getString(const char *str)
     }
     return mString[hash_value];
 }
-
diff --git a/indra/llrender/llcubemaparray.cpp b/indra/llrender/llcubemaparray.cpp
index be69b997da..4f5e13765a 100644
--- a/indra/llrender/llcubemaparray.cpp
+++ b/indra/llrender/llcubemaparray.cpp
@@ -125,27 +125,25 @@ void LLCubeMapArray::allocate(U32 resolution, U32 components, U32 count, bool us
     mImage->setHasMipMaps(use_mips);
 
     bind(0);
+    free_cur_tex_image();
 
     U32 format = components == 4 ? GL_RGBA16F : GL_RGB16F;
-
     U32 mip = 0;
-
-    free_cur_tex_image();
-
-    while (resolution >= 1)
+    U32 mip_resolution = resolution;
+    while (mip_resolution >= 1)
     {
-        glTexImage3D(GL_TEXTURE_CUBE_MAP_ARRAY, mip, format, resolution, resolution, count * 6, 0,
+        glTexImage3D(GL_TEXTURE_CUBE_MAP_ARRAY, mip, format, mip_resolution, mip_resolution, count * 6, 0,
             GL_RGBA, GL_UNSIGNED_BYTE, nullptr);
 
         if (!use_mips)
         {
             break;
         }
-        resolution /= 2;
+        mip_resolution /= 2;
         ++mip;
     }
 
-    alloc_tex_image(resolution * 6, resolution, format);
+    alloc_tex_image(resolution, resolution, format, count * 6);
 
     mImage->setAddressMode(LLTexUnit::TAM_CLAMP);
 
diff --git a/indra/llrender/llgltexture.h b/indra/llrender/llgltexture.h
index a7de20dc5c..122d2a7f9c 100644
--- a/indra/llrender/llgltexture.h
+++ b/indra/llrender/llgltexture.h
@@ -82,8 +82,6 @@ public:
     typedef enum
     {
         DELETED = 0,         //removed from memory
-        DELETION_CANDIDATE,  //ready to be removed from memory
-        INACTIVE,            //not be used for the last certain period (i.e., 30 seconds).
         ACTIVE,              //just being used, can become inactive if not being used for a certain time (10 seconds).
         NO_DELETE = 99       //stay in memory, can not be removed.
     } LLGLTextureState;
diff --git a/indra/llrender/llimagegl.cpp b/indra/llrender/llimagegl.cpp
index 058afa0cf2..0746e21079 100644
--- a/indra/llrender/llimagegl.cpp
+++ b/indra/llrender/llimagegl.cpp
@@ -67,11 +67,12 @@ static U64 sTextureBytes = 0;
 
 // track a texture alloc on the currently bound texture.
 // asserts that no currently tracked alloc exists
-void LLImageGLMemory::alloc_tex_image(U32 width, U32 height, U32 pixformat)
+void LLImageGLMemory::alloc_tex_image(U32 width, U32 height, U32 intformat, U32 count)
 {
     U32 texUnit = gGL.getCurrentTexUnitIndex();
     U32 texName = gGL.getTexUnit(texUnit)->getCurrTexture();
-    U64 size = LLImageGL::dataFormatBytes(pixformat, width, height);
+    U64 size = LLImageGL::dataFormatBytes(intformat, width, height);
+    size *= count;
 
     llassert(size >= 0);
 
@@ -291,9 +292,13 @@ S32 LLImageGL::dataFormatBits(S32 dataformat)
     case GL_SRGB:                                   return 24;
     case GL_RGB8:                                   return 24;
     case GL_RGBA:                                   return 32;
+    case GL_RGBA8:                                  return 32;
     case GL_SRGB_ALPHA:                             return 32;
     case GL_BGRA:                                   return 32;      // Used for QuickTime media textures on the Mac
     case GL_DEPTH_COMPONENT:                        return 24;
+    case GL_DEPTH_COMPONENT24:                      return 24;
+    case GL_R16F:                                   return 16;
+    case GL_RG16F:                                  return 32;
     case GL_RGB16F:                                 return 48;
     case GL_RGBA16F:                                return 64;
     default:
@@ -1384,7 +1389,7 @@ void LLImageGL::setManualImage(U32 target, S32 miplevel, S32 intformat, S32 widt
                 sub_image_lines(target, miplevel, 0, 0, width, height, pixformat, pixtype, src, width);
             }
         }
-        alloc_tex_image(width, height, pixformat);
+        alloc_tex_image(width, height, intformat, 1);
     }
     stop_glerror();
 
@@ -2370,11 +2375,11 @@ bool LLImageGL::scaleDown(S32 desired_discard)
         gGL.getTexUnit(0)->bindManual(LLTexUnit::TT_TEXTURE, temp_texname, true);
         {
             LL_PROFILE_ZONE_NAMED_CATEGORY_TEXTURE("scaleDown - glTexImage2D");
-            glTexImage2D(mTarget, 0, mFormatPrimary, desired_width, desired_height, 0, mFormatPrimary, mFormatType, NULL);
+            glTexImage2D(mTarget, 0, mFormatInternal, desired_width, desired_height, 0, mFormatPrimary, mFormatType, NULL);
         }
 
         // account for new texture getting created
-        alloc_tex_image(desired_width, desired_height, mFormatPrimary);
+        alloc_tex_image(desired_width, desired_height, mFormatInternal, 1);
 
         // Use render-to-texture to scale down the texture
         {
@@ -2428,10 +2433,10 @@ bool LLImageGL::scaleDown(S32 desired_discard)
         glBindBuffer(GL_PIXEL_PACK_BUFFER, 0);
 
         glBindBuffer(GL_PIXEL_UNPACK_BUFFER, sScratchPBO);
-        glTexImage2D(mTarget, 0, mFormatPrimary, desired_width, desired_height, 0, mFormatPrimary, mFormatType, nullptr);
+        glTexImage2D(mTarget, 0, mFormatInternal, desired_width, desired_height, 0, mFormatPrimary, mFormatType, nullptr);
         glBindBuffer(GL_PIXEL_UNPACK_BUFFER, 0);
 
-        alloc_tex_image(desired_width, desired_height, mFormatPrimary);
+        alloc_tex_image(desired_width, desired_height, mFormatInternal, 1);
 
         if (mHasMipMaps)
         {
diff --git a/indra/llrender/llimagegl.h b/indra/llrender/llimagegl.h
index 5073701c30..9a8d935b89 100644
--- a/indra/llrender/llimagegl.h
+++ b/indra/llrender/llimagegl.h
@@ -50,7 +50,7 @@ class LLWindow;
 
 namespace LLImageGLMemory
 {
-    void alloc_tex_image(U32 width, U32 height, U32 pixformat);
+    void alloc_tex_image(U32 width, U32 height, U32 intformat, U32 count);
     void free_tex_image(U32 texName);
     void free_tex_images(U32 count, const U32* texNames);
     void free_cur_tex_image();
diff --git a/indra/llui/llfloater.cpp b/indra/llui/llfloater.cpp
index 12d5c41de1..ff174d8470 100644
--- a/indra/llui/llfloater.cpp
+++ b/indra/llui/llfloater.cpp
@@ -1966,6 +1966,14 @@ void LLFloater::onClickClose( LLFloater* self )
     self->onClickCloseBtn();
 }
 
+// static
+void LLFloater::onClickClose(LLFloater* self, bool app_quitting)
+{
+    if (!self)
+        return;
+    self->onClickCloseBtn(app_quitting);
+}
+
 void LLFloater::onClickCloseBtn(bool app_quitting)
 {
     closeFloater(false);
diff --git a/indra/llui/llfloater.h b/indra/llui/llfloater.h
index 3d75c42f60..9be2240f6f 100644
--- a/indra/llui/llfloater.h
+++ b/indra/llui/llfloater.h
@@ -363,6 +363,7 @@ public:
 //  }
 
     static void     onClickClose(LLFloater* floater);
+    static void     onClickClose(LLFloater* floater, bool app_quitting);
     static void     onClickMinimize(LLFloater* floater);
     static void     onClickTearOff(LLFloater* floater);
     static void     onClickDock(LLFloater* floater);
diff --git a/indra/llui/llnotifications.h b/indra/llui/llnotifications.h
index 1a197f8a17..46286457cf 100644
--- a/indra/llui/llnotifications.h
+++ b/indra/llui/llnotifications.h
@@ -87,6 +87,7 @@
 #include <boost/type_traits.hpp>
 #include <boost/signals2.hpp>
 #include <boost/range.hpp>
+#include <boost/intrusive_ptr.hpp>
 
 #include "llevents.h"
 #include "llfunctorregistry.h"
diff --git a/indra/llwebrtc/CMakeLists.txt b/indra/llwebrtc/CMakeLists.txt
index 30aaec1265..a18b716003 100644
--- a/indra/llwebrtc/CMakeLists.txt
+++ b/indra/llwebrtc/CMakeLists.txt
@@ -31,6 +31,7 @@ add_library (llwebrtc SHARED ${llwebrtc_SOURCE_FILES})
 set_target_properties(llwebrtc PROPERTIES PUBLIC_HEADER llwebrtc.h)
 
 if (WINDOWS)
+    cmake_policy(SET CMP0091 NEW)
     set_target_properties(llwebrtc
         PROPERTIES
         LINK_FLAGS "/debug /LARGEADDRESSAWARE"
@@ -42,7 +43,10 @@ if (WINDOWS)
                                        wmcodecdspuuid
                                        msdmo
                                        strmiids
-                                       iphlpapi)
+                                       iphlpapi
+                                       libcmt)
+    # as the webrtc libraries are release, build this binary as release as well.
+    target_compile_options(llwebrtc PRIVATE "/MT")
     if (USE_BUGSPLAT)
         set_target_properties(llwebrtc PROPERTIES PDB_OUTPUT_DIRECTORY "${SYMBOLS_STAGING_DIR}")
     endif (USE_BUGSPLAT)
diff --git a/indra/llwebrtc/llwebrtc.cpp b/indra/llwebrtc/llwebrtc.cpp
index 2c890acbdb..0daa767766 100644
--- a/indra/llwebrtc/llwebrtc.cpp
+++ b/indra/llwebrtc/llwebrtc.cpp
@@ -206,10 +206,10 @@ void LLWebRTCImpl::init()
             mTuningDeviceModule->SetAudioDeviceSink(this);
             mTuningDeviceModule->InitMicrophone();
             mTuningDeviceModule->InitSpeaker();
+            mTuningDeviceModule->SetStereoRecording(false);
+            mTuningDeviceModule->SetStereoPlayout(true);
             mTuningDeviceModule->InitRecording();
             mTuningDeviceModule->InitPlayout();
-            mTuningDeviceModule->SetStereoRecording(true);
-            mTuningDeviceModule->SetStereoPlayout(true);
             updateDevices();
         });
 
@@ -227,10 +227,6 @@ void LLWebRTCImpl::init()
             mPeerDeviceModule->EnableBuiltInAEC(false);
             mPeerDeviceModule->InitMicrophone();
             mPeerDeviceModule->InitSpeaker();
-            mPeerDeviceModule->InitRecording();
-            mPeerDeviceModule->InitPlayout();
-            mPeerDeviceModule->SetStereoRecording(true);
-            mPeerDeviceModule->SetStereoPlayout(true);
         });
 
     // The custom processor allows us to retrieve audio data (and levels)
@@ -251,8 +247,9 @@ void LLWebRTCImpl::init()
     apm_config.noise_suppression.level        = webrtc::AudioProcessing::Config::NoiseSuppression::kVeryHigh;
     apm_config.transient_suppression.enabled  = true;
     apm_config.pipeline.multi_channel_render  = true;
-    apm_config.pipeline.multi_channel_capture = true;
-    apm_config.pipeline.multi_channel_capture = true;
+    apm_config.pipeline.multi_channel_capture = false;
+
+    mAudioProcessingModule->ApplyConfig(apm_config);
 
     webrtc::ProcessingConfig processing_config;
     processing_config.input_stream().set_num_channels(2);
@@ -264,10 +261,8 @@ void LLWebRTCImpl::init()
     processing_config.reverse_output_stream().set_num_channels(2);
     processing_config.reverse_output_stream().set_sample_rate_hz(48000);
 
-    mAudioProcessingModule->ApplyConfig(apm_config);
     mAudioProcessingModule->Initialize(processing_config);
 
-
     mPeerConnectionFactory = webrtc::CreatePeerConnectionFactory(mNetworkThread.get(),
                                                                  mWorkerThread.get(),
                                                                  mSignalingThread.get(),
@@ -279,7 +274,6 @@ void LLWebRTCImpl::init()
                                                                  nullptr /* audio_mixer */,
                                                                  mAudioProcessingModule);
 
-    mWorkerThread->BlockingCall([this]() { mPeerDeviceModule->StartPlayout(); });
 }
 
 void LLWebRTCImpl::terminate()
@@ -331,6 +325,8 @@ void LLWebRTCImpl::setRecording(bool recording)
         {
             if (recording)
             {
+                mPeerDeviceModule->SetStereoRecording(false);
+                mPeerDeviceModule->InitRecording();
                 mPeerDeviceModule->StartRecording();
             }
             else
@@ -340,6 +336,24 @@ void LLWebRTCImpl::setRecording(bool recording)
         });
 }
 
+void LLWebRTCImpl::setPlayout(bool playing)
+{
+    mWorkerThread->PostTask(
+        [this, playing]()
+        {
+            if (playing)
+            {
+                mPeerDeviceModule->SetStereoPlayout(true);
+                mPeerDeviceModule->InitPlayout();
+                mPeerDeviceModule->StartPlayout();
+            }
+            else
+            {
+                mPeerDeviceModule->StopPlayout();
+            }
+        });
+}
+
 void LLWebRTCImpl::setAudioConfig(LLWebRTCDeviceInterface::AudioConfig config)
 {
     webrtc::AudioProcessing::Config apm_config;
@@ -402,7 +416,6 @@ void LLWebRTCImpl::unsetDevicesObserver(LLWebRTCDevicesObserver *observer)
 
 void ll_set_device_module_capture_device(rtc::scoped_refptr<webrtc::AudioDeviceModule> device_module, int16_t device)
 {
-    device_module->StopRecording();
 #if WEBRTC_WIN
     if (device < 0)
     {
@@ -417,10 +430,9 @@ void ll_set_device_module_capture_device(rtc::scoped_refptr<webrtc::AudioDeviceM
     // has it at 0
     device_module->SetRecordingDevice(device + 1);
 #endif
+    device_module->SetStereoRecording(false);
     device_module->InitMicrophone();
     device_module->InitRecording();
-    device_module->SetStereoRecording(false);
-    device_module->StartRecording();
 }
 
 void LLWebRTCImpl::setCaptureDevice(const std::string &id)
@@ -444,18 +456,32 @@ void LLWebRTCImpl::setCaptureDevice(const std::string &id)
     mRecordingDevice = recordingDevice;
     if (mTuningMode)
     {
-        mWorkerThread->PostTask([this, recordingDevice]() { ll_set_device_module_capture_device(mTuningDeviceModule, recordingDevice); });
+        mWorkerThread->PostTask([this, recordingDevice]()
+            {
+                ll_set_device_module_capture_device(mTuningDeviceModule, recordingDevice);
+            });
     }
     else
     {
-        mWorkerThread->PostTask([this, recordingDevice]() { ll_set_device_module_capture_device(mPeerDeviceModule, recordingDevice); });
+        mWorkerThread->PostTask([this, recordingDevice]()
+            {
+                bool recording = mPeerDeviceModule->Recording();
+                if (recording)
+                {
+                    mPeerDeviceModule->StopRecording();
+                }
+                ll_set_device_module_capture_device(mPeerDeviceModule, recordingDevice);
+                if (recording)
+                {
+                    mPeerDeviceModule->StartRecording();
+                }
+            });
     }
 }
 
 
 void ll_set_device_module_render_device(rtc::scoped_refptr<webrtc::AudioDeviceModule> device_module, int16_t device)
 {
-    device_module->StopPlayout();
 #if WEBRTC_WIN
     if (device < 0)
     {
@@ -468,9 +494,9 @@ void ll_set_device_module_render_device(rtc::scoped_refptr<webrtc::AudioDeviceMo
 #else
     device_module->SetPlayoutDevice(device + 1);
 #endif
+    device_module->SetStereoPlayout(true);
     device_module->InitSpeaker();
     device_module->InitPlayout();
-    device_module->SetStereoPlayout(true);
 }
 
 void LLWebRTCImpl::setRenderDevice(const std::string &id)
@@ -506,8 +532,16 @@ void LLWebRTCImpl::setRenderDevice(const std::string &id)
         mWorkerThread->PostTask(
             [this, playoutDevice]()
             {
+                bool playing = mPeerDeviceModule->Playing();
+                if (playing)
+                {
+                    mPeerDeviceModule->StopPlayout();
+                }
                 ll_set_device_module_render_device(mPeerDeviceModule, playoutDevice);
-                mPeerDeviceModule->StartPlayout();
+                if (playing)
+                {
+                    mPeerDeviceModule->StartPlayout();
+                }
             });
     }
 }
@@ -592,6 +626,8 @@ void LLWebRTCImpl::setTuningMode(bool enable)
                 //mTuningDeviceModule->StopPlayout();
                 ll_set_device_module_render_device(mPeerDeviceModule, mPlayoutDevice);
                 ll_set_device_module_capture_device(mPeerDeviceModule, mRecordingDevice);
+                mPeerDeviceModule->SetStereoPlayout(true);
+                mPeerDeviceModule->SetStereoRecording(false);
                 mPeerDeviceModule->InitPlayout();
                 mPeerDeviceModule->InitRecording();
                 mPeerDeviceModule->StartPlayout();
@@ -635,6 +671,11 @@ LLWebRTCPeerConnectionInterface *LLWebRTCImpl::newPeerConnection()
 
     mPeerConnections.emplace_back(peerConnection);
     peerConnection->enableSenderTracks(!mMute);
+    if (mPeerConnections.empty())
+    {
+        setRecording(true);
+        setPlayout(true);
+    }
     return peerConnection.get();
 }
 
@@ -649,6 +690,7 @@ void LLWebRTCImpl::freePeerConnection(LLWebRTCPeerConnectionInterface* peer_conn
     if (mPeerConnections.empty())
     {
         setRecording(false);
+        setPlayout(false);
     }
 }
 
@@ -662,7 +704,7 @@ void LLWebRTCImpl::freePeerConnection(LLWebRTCPeerConnectionInterface* peer_conn
 LLWebRTCPeerConnectionImpl::LLWebRTCPeerConnectionImpl() :
     mWebRTCImpl(nullptr),
     mPeerConnection(nullptr),
-    mMute(false),
+    mMute(true),
     mAnswerReceived(false)
 {
 }
@@ -684,8 +726,8 @@ void LLWebRTCPeerConnectionImpl::init(LLWebRTCImpl * webrtc_impl)
 }
 void LLWebRTCPeerConnectionImpl::terminate()
 {
-    mWebRTCImpl->PostSignalingTask(
-        [=]()
+    mWebRTCImpl->SignalingBlockingCall(
+        [this]()
         {
             if (mPeerConnection)
             {
diff --git a/indra/llwebrtc/llwebrtc_impl.h b/indra/llwebrtc/llwebrtc_impl.h
index 9504e6573b..b93a1fdb01 100644
--- a/indra/llwebrtc/llwebrtc_impl.h
+++ b/indra/llwebrtc/llwebrtc_impl.h
@@ -278,6 +278,8 @@ class LLWebRTCImpl : public LLWebRTCDeviceInterface, public webrtc::AudioDeviceS
     // enables/disables capture via the capture device
     void setRecording(bool recording);
 
+    void setPlayout(bool playing);
+
   protected:
     LLWebRTCLogSink*                                           mLogSink;
 
diff --git a/indra/newview/VIEWER_VERSION.txt b/indra/newview/VIEWER_VERSION.txt
index 5978ab1324..346a7e3aa1 100644
--- a/indra/newview/VIEWER_VERSION.txt
+++ b/indra/newview/VIEWER_VERSION.txt
@@ -1 +1 @@
-7.1.9
+7.1.10
diff --git a/indra/newview/gltfscenemanager.cpp b/indra/newview/gltfscenemanager.cpp
index 44564b7926..086f41c1cb 100644
--- a/indra/newview/gltfscenemanager.cpp
+++ b/indra/newview/gltfscenemanager.cpp
@@ -357,7 +357,9 @@ void GLTFSceneManager::addGLTFObject(LLViewerObject* obj, LLUUID gltf_id)
 
     if (obj->mGLTFAsset)
     { // object already has a GLTF asset, don't reload it
-        llassert(std::find(mObjects.begin(), mObjects.end(), obj) != mObjects.end());
+
+        // TODO: below assertion fails on dupliate requests for assets -- possibly need to touch up asset loading state machine
+        // llassert(std::find(mObjects.begin(), mObjects.end(), obj) != mObjects.end());
         return;
     }
 
diff --git a/indra/newview/llagent.h b/indra/newview/llagent.h
index 9cd3e80f69..8f892025c9 100644
--- a/indra/newview/llagent.h
+++ b/indra/newview/llagent.h
@@ -40,7 +40,6 @@
 #include "llcorehttputil.h"
 
 #include <boost/function.hpp>
-#include <boost/shared_ptr.hpp>
 #include <boost/signals2.hpp>
 
 extern const bool   ANIMATE;
diff --git a/indra/newview/llagentwearables.cpp b/indra/newview/llagentwearables.cpp
index faa5d801dd..cd4222dddf 100644
--- a/indra/newview/llagentwearables.cpp
+++ b/indra/newview/llagentwearables.cpp
@@ -52,8 +52,6 @@
 #include "llwearablelist.h"
 #include "llfloaterperms.h"
 
-#include <boost/scoped_ptr.hpp>
-
 LLAgentWearables gAgentWearables;
 
 bool LLAgentWearables::mInitialWearablesUpdateReceived = false;
diff --git a/indra/newview/llappviewer.h b/indra/newview/llappviewer.h
index 9a5dd6dca3..7b456cc542 100644
--- a/indra/newview/llappviewer.h
+++ b/indra/newview/llappviewer.h
@@ -408,8 +408,6 @@ extern LLVector3 gRelativeWindVec;
 extern U32  gPacketsIn;
 extern bool gPrintMessagesThisFrame;
 
-extern LLUUID gBlackSquareID;
-
 extern bool gRandomizeFramerate;
 extern bool gPeriodicSlowFrame;
 
diff --git a/indra/newview/llchannelmanager.h b/indra/newview/llchannelmanager.h
index 7a4899f1f3..4db7f32b10 100644
--- a/indra/newview/llchannelmanager.h
+++ b/indra/newview/llchannelmanager.h
@@ -33,7 +33,6 @@
 #include "lluuid.h"
 
 #include <map>
-#include <boost/shared_ptr.hpp>
 
 namespace LLNotificationsUI
 {
diff --git a/indra/newview/llconversationview.cpp b/indra/newview/llconversationview.cpp
index cb2370f413..b19b6f8dec 100644
--- a/indra/newview/llconversationview.cpp
+++ b/indra/newview/llconversationview.cpp
@@ -98,10 +98,7 @@ LLConversationViewSession::~LLConversationViewSession()
 
     if (mVoiceClientObserver)
     {
-        if (LLVoiceClient::instanceExists())
-        {
-            LLVoiceClient::getInstance()->removeObserver(mVoiceClientObserver);
-        }
+        LLVoiceClient::removeObserver(mVoiceClientObserver);
         delete mVoiceClientObserver;
     }
 
@@ -259,16 +256,15 @@ bool LLConversationViewSession::postBuild()
             icon->setVisible(true);
             mSpeakingIndicator->setSpeakerId(gAgentID, LLUUID::null, true);
             mIsInActiveVoiceChannel = true;
-            if(LLVoiceClient::instanceExists())
-            {
+
                 if (mVoiceClientObserver)
                 {
-                    LLVoiceClient::getInstance()->removeObserver(mVoiceClientObserver);
+                LLVoiceClient::removeObserver(mVoiceClientObserver);
                     delete mVoiceClientObserver;
                 }
                 mVoiceClientObserver = new LLNearbyVoiceClientStatusObserver(this);
-                LLVoiceClient::getInstance()->addObserver(mVoiceClientObserver);
-            }
+            LLVoiceClient::addObserver(mVoiceClientObserver);
+
             break;
         }
         default:
diff --git a/indra/newview/lldrawpoolavatar.cpp b/indra/newview/lldrawpoolavatar.cpp
index ec70c7ebc0..95f96e85d6 100644
--- a/indra/newview/lldrawpoolavatar.cpp
+++ b/indra/newview/lldrawpoolavatar.cpp
@@ -62,8 +62,6 @@ S32     LLDrawPoolAvatar::sShadowPass = -1;
 S32 LLDrawPoolAvatar::sDiffuseChannel = 0;
 F32 LLDrawPoolAvatar::sMinimumAlpha = 0.2f;
 
-LLUUID gBlackSquareID;
-
 static bool is_deferred_render = false;
 static bool is_post_deferred_render = false;
 
diff --git a/indra/newview/llface.cpp b/indra/newview/llface.cpp
index c3d1f8d270..82a0bfb9bb 100644
--- a/indra/newview/llface.cpp
+++ b/indra/newview/llface.cpp
@@ -351,8 +351,6 @@ void LLFace::switchTexture(U32 ch, LLViewerTexture* new_texture)
         return;
     }
 
-    llassert(mTexture[ch].notNull());
-
     if (ch == LLRender::DIFFUSE_MAP)
     {
         getViewerObject()->changeTEImage(mTEOffset, new_texture) ;
diff --git a/indra/newview/llflexibleobject.cpp b/indra/newview/llflexibleobject.cpp
index b6f1eea802..7d098b2676 100644
--- a/indra/newview/llflexibleobject.cpp
+++ b/indra/newview/llflexibleobject.cpp
@@ -775,7 +775,7 @@ bool LLVolumeImplFlexible::doUpdateGeometry(LLDrawable *drawable)
         }
     }
 
-    if (volume->mDrawable.isNull())
+    if (volume->mDrawable.isNull() || volume->mDrawable->isDead())
     {
         return true; // No update to complete
     }
diff --git a/indra/newview/llfloaterimcontainer.cpp b/indra/newview/llfloaterimcontainer.cpp
index 08e13276b3..abf15ea9cf 100644
--- a/indra/newview/llfloaterimcontainer.cpp
+++ b/indra/newview/llfloaterimcontainer.cpp
@@ -112,6 +112,18 @@ LLFloaterIMContainer::~LLFloaterIMContainer()
     {
         LLIMMgr::getInstance()->removeSessionObserver(this);
     }
+
+    for (auto& session : mConversationsItems)
+    {
+        LLConversationItemSession* session_model = dynamic_cast<LLConversationItemSession*>(session.second.get());
+        if (session_model)
+        {
+            // Models have overcomplicated double ownership, clear
+            // and resolve '0 references' ownership now, before owned
+            // part of the models gets deleted by their owners
+            session_model->clearAndDeparentModels();
+        }
+    }
 }
 
 void LLFloaterIMContainer::sessionAdded(const LLUUID& session_id, const std::string& name, const LLUUID& other_participant_id, bool has_offline_msg)
@@ -2432,7 +2444,7 @@ void LLFloaterIMContainer::closeHostedFloater()
     onClickCloseBtn();
 }
 
-void LLFloaterIMContainer::closeAllConversations()
+void LLFloaterIMContainer::closeAllConversations(bool app_quitting)
 {
     std::vector<LLUUID> ids;
     for (conversations_items_map::iterator it_session = mConversationsItems.begin(); it_session != mConversationsItems.end(); it_session++)
@@ -2447,7 +2459,7 @@ void LLFloaterIMContainer::closeAllConversations()
     for (std::vector<LLUUID>::const_iterator it = ids.begin(); it != ids.end();     ++it)
     {
         LLFloaterIMSession *conversationFloater = LLFloaterIMSession::findInstance(*it);
-        LLFloater::onClickClose(conversationFloater);
+        LLFloater::onClickClose(conversationFloater, app_quitting);
     }
 }
 
@@ -2470,7 +2482,7 @@ void LLFloaterIMContainer::closeFloater(bool app_quitting/* = false*/)
 {
     if(app_quitting)
     {
-        closeAllConversations();
+        closeAllConversations(app_quitting);
         onClickCloseBtn(app_quitting);
     }
     else
diff --git a/indra/newview/llfloaterimcontainer.h b/indra/newview/llfloaterimcontainer.h
index e11445d779..d1cfd3442c 100644
--- a/indra/newview/llfloaterimcontainer.h
+++ b/indra/newview/llfloaterimcontainer.h
@@ -117,7 +117,7 @@ public:
     void assignResizeLimits();
     virtual bool handleKeyHere(KEY key, MASK mask );
     /*virtual*/ void closeFloater(bool app_quitting = false);
-    void closeAllConversations();
+    void closeAllConversations(bool app_quitting);
     void closeSelectedConversations(const uuid_vec_t& ids);
     /*virtual*/ bool isFrontmost();
 
diff --git a/indra/newview/llfloaterimsession.cpp b/indra/newview/llfloaterimsession.cpp
index 5dd78fe1db..557b3f27c5 100644
--- a/indra/newview/llfloaterimsession.cpp
+++ b/indra/newview/llfloaterimsession.cpp
@@ -138,8 +138,14 @@ void LLFloaterIMSession::onTearOffClicked()
 }
 
 // virtual
-void LLFloaterIMSession::onClickCloseBtn(bool)
+void LLFloaterIMSession::onClickCloseBtn(bool app_qutting)
 {
+    if (app_qutting)
+    {
+        LLFloaterIMSessionTab::onClickCloseBtn();
+        return;
+    }
+
     LLIMModel::LLIMSession* session = LLIMModel::instance().findIMSession(mSessionID);
 
     if (session != NULL)
@@ -287,10 +293,8 @@ void LLFloaterIMSession::sendMsg(const std::string& msg)
 LLFloaterIMSession::~LLFloaterIMSession()
 {
     mVoiceChannelStateChangeConnection.disconnect();
-    if(LLVoiceClient::instanceExists())
-    {
-        LLVoiceClient::getInstance()->removeObserver(this);
-    }
+
+    LLVoiceClient::removeObserver(this);
 
     LLTransientFloaterMgr::getInstance()->removeControlView(LLTransientFloaterMgr::IM, this);
 
@@ -366,7 +370,7 @@ bool LLFloaterIMSession::postBuild()
 
     childSetAction("voice_call_btn", boost::bind(&LLFloaterIMSession::onCallButtonClicked, this));
 
-    LLVoiceClient::getInstance()->addObserver(this);
+    LLVoiceClient::addObserver(this);
 
     //*TODO if session is not initialized yet, add some sort of a warning message like "starting session...blablabla"
     //see LLFloaterIMPanel for how it is done (IB)
@@ -537,6 +541,7 @@ void LLFloaterIMSession::boundVoiceChannel()
     LLVoiceChannel* voice_channel = LLIMModel::getInstance()->getVoiceChannel(mSessionID);
     if(voice_channel)
     {
+        mVoiceChannelStateChangeConnection.disconnect();
         mVoiceChannelStateChangeConnection = voice_channel->setStateChangedCallback(
                 boost::bind(&LLFloaterIMSession::onVoiceChannelStateChanged, this, _1, _2));
 
diff --git a/indra/newview/llfloaterimsessiontab.cpp b/indra/newview/llfloaterimsessiontab.cpp
index 2eebb6cc64..2621ce576c 100644
--- a/indra/newview/llfloaterimsessiontab.cpp
+++ b/indra/newview/llfloaterimsessiontab.cpp
@@ -547,6 +547,12 @@ void LLFloaterIMSessionTab::closeFloater(bool app_quitting)
     super::closeFloater(app_quitting);
 }
 
+void LLFloaterIMSessionTab::deleteAllChildren()
+{
+    super::deleteAllChildren();
+    mVoiceButton = NULL;
+}
+
 std::string LLFloaterIMSessionTab::appendTime()
 {
     std::string timeStr = "[" + LLTrans::getString("TimeHour") + "]:"
diff --git a/indra/newview/llfloaterimsessiontab.h b/indra/newview/llfloaterimsessiontab.h
index 29e10184b1..6dd8e62482 100644
--- a/indra/newview/llfloaterimsessiontab.h
+++ b/indra/newview/llfloaterimsessiontab.h
@@ -82,6 +82,7 @@ public:
     /*virtual*/ void setVisible(bool visible);
     /*virtual*/ void setFocus(bool focus);
     /*virtual*/ void closeFloater(bool app_quitting = false);
+    /*virtual*/ void deleteAllChildren();
 
     // Handle the left hand participant list widgets
     void addConversationViewParticipant(LLConversationItem* item, bool update_view = true);
diff --git a/indra/newview/llfloatermyenvironment.cpp b/indra/newview/llfloatermyenvironment.cpp
index df4526e69d..891e16a8ef 100644
--- a/indra/newview/llfloatermyenvironment.cpp
+++ b/indra/newview/llfloatermyenvironment.cpp
@@ -335,6 +335,8 @@ bool LLFloaterMyEnvironment::canAction(const std::string &context)
     {
         if (!LLClipboard::instance().hasContents())
             return false;
+        if (gInventory.isObjectDescendentOf(selected.front(), gInventory.getLibraryRootFolderID()))
+            return false;
 
         std::vector<LLUUID> ids;
         LLClipboard::instance().pasteFromClipboard(ids);
diff --git a/indra/newview/llfloateruipreview.cpp b/indra/newview/llfloateruipreview.cpp
index 7c49db9c54..990a299c50 100644
--- a/indra/newview/llfloateruipreview.cpp
+++ b/indra/newview/llfloateruipreview.cpp
@@ -64,7 +64,6 @@
 
 // Boost (for linux/unix command-line execv)
 #include <boost/tokenizer.hpp>
-#include <boost/shared_ptr.hpp>
 
 // External utility
 #include <string>
diff --git a/indra/newview/llimview.cpp b/indra/newview/llimview.cpp
index 33e6d2d1b2..136b59f3a6 100644
--- a/indra/newview/llimview.cpp
+++ b/indra/newview/llimview.cpp
@@ -3861,6 +3861,11 @@ bool LLIMMgr::startCall(const LLUUID& session_id, LLVoiceChannel::EDirection dir
     {
         voice_channel->setChannelInfo(voice_channel_info);
     }
+    else if (voice_channel->getState() < LLVoiceChannel::STATE_READY)
+    {
+        // restart if there wa an error or it was hang up
+        voice_channel->resetChannelInfo();
+    }
     voice_channel->setCallDirection(direction);
     voice_channel->activate();
     return true;
diff --git a/indra/newview/llinventorybridge.cpp b/indra/newview/llinventorybridge.cpp
index 65acf8ea52..ca84c30b66 100644
--- a/indra/newview/llinventorybridge.cpp
+++ b/indra/newview/llinventorybridge.cpp
@@ -85,8 +85,6 @@
 
 #include "llenvironment.h"
 
-#include <boost/shared_ptr.hpp>
-
 void copy_slurl_to_clipboard_callback_inv(const std::string& slurl);
 
 const F32 SOUND_GAIN = 1.0f;
diff --git a/indra/newview/lllogininstance.cpp b/indra/newview/lllogininstance.cpp
index f37926a938..c54d2c080f 100644
--- a/indra/newview/lllogininstance.cpp
+++ b/indra/newview/lllogininstance.cpp
@@ -57,7 +57,6 @@
 #include "llsdserialize.h"
 #include "lltrans.h"
 
-#include <boost/scoped_ptr.hpp>
 #include <boost/regex.hpp>
 #include <sstream>
 
diff --git a/indra/newview/lllogininstance.h b/indra/newview/lllogininstance.h
index 0ec7b3bb24..624408d46d 100644
--- a/indra/newview/lllogininstance.h
+++ b/indra/newview/lllogininstance.h
@@ -29,7 +29,6 @@
 
 #include "lleventdispatcher.h"
 #include "lleventapi.h"
-#include <boost/scoped_ptr.hpp>
 #include <boost/function.hpp>
 #include <memory>                   // std::shared_ptr
 #include "llsecapi.h"
diff --git a/indra/newview/llpanelgroup.cpp b/indra/newview/llpanelgroup.cpp
index 079a5583d4..65aa1876b0 100644
--- a/indra/newview/llpanelgroup.cpp
+++ b/indra/newview/llpanelgroup.cpp
@@ -98,10 +98,7 @@ LLPanelGroup::LLPanelGroup()
 LLPanelGroup::~LLPanelGroup()
 {
     LLGroupMgr::getInstance()->removeObserver(this);
-    if(LLVoiceClient::instanceExists())
-    {
-        LLVoiceClient::getInstance()->removeObserver(this);
-    }
+    LLVoiceClient::removeObserver(this);
 }
 
 void LLPanelGroup::onOpen(const LLSD& key)
@@ -196,7 +193,7 @@ bool LLPanelGroup::postBuild()
         mJoinText = panel_general->getChild<LLUICtrl>("join_cost_text");
     }
 
-    LLVoiceClient::getInstance()->addObserver(this);
+    LLVoiceClient::addObserver(this);
 
     return true;
 }
diff --git a/indra/newview/llpanellogin.h b/indra/newview/llpanellogin.h
index 00fd17badf..a1bf25fb05 100644
--- a/indra/newview/llpanellogin.h
+++ b/indra/newview/llpanellogin.h
@@ -30,7 +30,6 @@
 #include "llpanel.h"
 #include "llpointer.h"          // LLPointer<>
 #include "llmediactrl.h"    // LLMediaCtrlObserver
-#include <boost/scoped_ptr.hpp>
 
 class LLLineEditor;
 class LLUIImage;
diff --git a/indra/newview/llpanelmaininventory.cpp b/indra/newview/llpanelmaininventory.cpp
index 8334da1836..2466ee5973 100644
--- a/indra/newview/llpanelmaininventory.cpp
+++ b/indra/newview/llpanelmaininventory.cpp
@@ -239,11 +239,6 @@ bool LLPanelMainInventory::postBuild()
         }
 
     }
-    mParentSidepanel = getParentSidepanelInventory();
-    if (mParentSidepanel)
-    {
-        mInboxPanel = mParentSidepanel->getChild<LLPanelMarketplaceInbox>("marketplace_inbox");
-    }
 
     mFilterEditor = getChild<LLFilterEditor>("inventory search editor");
     if (mFilterEditor)
diff --git a/indra/newview/llpanelmaininventory.h b/indra/newview/llpanelmaininventory.h
index c1c7e9a7ab..3347ab904b 100644
--- a/indra/newview/llpanelmaininventory.h
+++ b/indra/newview/llpanelmaininventory.h
@@ -139,6 +139,9 @@ public:
 
     LLInventoryFilter& getCurrentFilter();
 
+    void setParentSidepanel(LLSidepanelInventory* parent_sidepanel) { mParentSidepanel = parent_sidepanel; }
+    void setInboxPanel(LLPanelMarketplaceInbox* inbox_panel) { mInboxPanel = inbox_panel; }
+
 protected:
     //
     // Misc functions
diff --git a/indra/newview/llpanelpeople.cpp b/indra/newview/llpanelpeople.cpp
index 107b1cf6cd..25672db318 100644
--- a/indra/newview/llpanelpeople.cpp
+++ b/indra/newview/llpanelpeople.cpp
@@ -336,7 +336,7 @@ public:
         LLAvatarTracker::instance().addObserver(this);
 
         // For notification when SIP online status changes.
-        LLVoiceClient::getInstance()->addObserver(this);
+        LLVoiceClient::addObserver(this);
         mInvObserver = new LLInventoryFriendCardObserver(this);
     }
 
@@ -344,10 +344,7 @@ public:
     {
         // will be deleted by ~LLInventoryModel
         //delete mInvObserver;
-        if (LLVoiceClient::instanceExists())
-        {
-            LLVoiceClient::getInstance()->removeObserver(this);
-        }
+        LLVoiceClient::removeObserver(this);
         LLAvatarTracker::instance().removeObserver(this);
     }
 
@@ -575,15 +572,13 @@ LLPanelPeople::~LLPanelPeople()
     delete mFriendListUpdater;
     delete mRecentListUpdater;
 
+    LLVoiceClient::removeObserver(this);
+
     mNearbyFilterCommitConnection.disconnect();
     mFriedsFilterCommitConnection.disconnect();
     mGroupsFilterCommitConnection.disconnect();
     mRecentFilterCommitConnection.disconnect();
 
-    if(LLVoiceClient::instanceExists())
-    {
-        LLVoiceClient::getInstance()->removeObserver(this);
-    }
 }
 
 void LLPanelPeople::onFriendsAccordionExpandedCollapsed(LLUICtrl* ctrl, const LLSD& param, LLAvatarList* avatar_list)
@@ -740,7 +735,7 @@ bool LLPanelPeople::postBuild()
     // Must go after setting commit callback and initializing all pointers to children.
     mTabContainer->selectTabByName(NEARBY_TAB_NAME);
 
-    LLVoiceClient::getInstance()->addObserver(this);
+    LLVoiceClient::addObserver(this);
 
     // call this method in case some list is empty and buttons can be in inconsistent state
     updateButtons();
diff --git a/indra/newview/llpanelprofile.cpp b/indra/newview/llpanelprofile.cpp
index 8f44b28ebe..08605f7cf4 100644
--- a/indra/newview/llpanelprofile.cpp
+++ b/indra/newview/llpanelprofile.cpp
@@ -703,10 +703,7 @@ LLPanelProfileSecondLife::~LLPanelProfileSecondLife()
         LLAvatarTracker::instance().removeParticularFriendObserver(getAvatarId(), this);
     }
 
-    if (LLVoiceClient::instanceExists())
-    {
-        LLVoiceClient::getInstance()->removeObserver((LLVoiceClientStatusObserver*)this);
-    }
+    LLVoiceClient::removeObserver((LLVoiceClientStatusObserver*)this);
 
     if (mAvatarNameCacheConnection.connected())
     {
@@ -1055,7 +1052,7 @@ void LLPanelProfileSecondLife::fillAccountStatus(const LLAvatarData* avatar_data
     std::string caption_text = getString("CaptionTextAcctInfo", args);
     getChild<LLUICtrl>("account_info")->setValue(caption_text);
 
-    const S32 LINDEN_EMPLOYEE_INDEX = 3;
+    constexpr S32 LINDEN_EMPLOYEE_INDEX = 3;
     LLDate sl_release;
     sl_release.fromYMDHMS(2003, 6, 23, 0, 0, 0);
     std::string customer_lower = avatar_data->customer_type;
@@ -1120,7 +1117,7 @@ void LLPanelProfileSecondLife::fillRightsData()
     // If true - we are viewing friend's profile, enable check boxes and set values.
     if (relation)
     {
-        S32 rights = relation->getRightsGrantedTo();
+        const S32 rights = relation->getRightsGrantedTo();
         bool can_see_online = LLRelationship::GRANT_ONLINE_STATUS & rights;
         bool can_see_on_map = LLRelationship::GRANT_MAP_LOCATION & rights;
         bool can_edit_objects = LLRelationship::GRANT_MODIFY_OBJECTS & rights;
@@ -1250,7 +1247,7 @@ void LLPanelProfileSecondLife::setAvatarId(const LLUUID& avatar_id)
 void LLPanelProfileSecondLife::updateOnlineStatus()
 {
     const LLRelationship* relationship = LLAvatarTracker::instance().getBuddyInfo(getAvatarId());
-    if (relationship != NULL)
+    if (relationship)
     {
         // For friend let check if he allowed me to see his status
         bool online = relationship->isOnline();
@@ -1331,7 +1328,7 @@ void LLProfileImagePicker::notify(const std::vector<std::string>& filenames)
     // generate a temp texture file for coroutine
     std::string temp_file = gDirUtilp->getTempFilename();
     U32 codec = LLImageBase::getCodecFromExtension(gDirUtilp->getExtension(file_path));
-    const S32 MAX_DIM = 256;
+    constexpr S32 MAX_DIM = 256;
     if (!LLViewerTextureList::createUploadFile(file_path, temp_file, codec, MAX_DIM))
     {
         LLSD notif_args;
@@ -1645,7 +1642,7 @@ void LLPanelProfileSecondLife::onDiscardDescriptionChanges()
 
 void LLPanelProfileSecondLife::onShowAgentPermissionsDialog()
 {
-    LLFloater *floater = mFloaterPermissionsHandle.get();
+    LLFloater* floater = mFloaterPermissionsHandle.get();
     if (!floater)
     {
         LLFloater* parent_floater = gFloaterView->getParentFloater(this);
@@ -1673,7 +1670,7 @@ void LLPanelProfileSecondLife::onShowAgentProfileTexture()
         return;
     }
 
-    LLFloater *floater = mFloaterProfileTextureHandle.get();
+    LLFloater* floater = mFloaterProfileTextureHandle.get();
     if (!floater)
     {
         LLFloater* parent_floater = gFloaterView->getParentFloater(this);
@@ -1783,17 +1780,20 @@ void LLPanelProfileSecondLife::onCommitProfileImage(const LLUUID& id)
 
     mSecondLifePic->setValue(id);
 
-    LLFloater *floater = mFloaterProfileTextureHandle.get();
+    LLFloater* floater = mFloaterProfileTextureHandle.get();
     if (floater)
     {
-        LLFloaterProfileTexture * texture_view = dynamic_cast<LLFloaterProfileTexture*>(floater);
-        if (id == LLUUID::null)
+        LLFloaterProfileTexture* texture_view = dynamic_cast<LLFloaterProfileTexture*>(floater);
+        if (texture_view)
         {
-            texture_view->resetAsset();
-        }
-        else
-        {
-            texture_view->loadAsset(id);
+            if (id.isNull())
+            {
+                texture_view->resetAsset();
+            }
+            else
+            {
+                texture_view->loadAsset(id);
+            }
         }
     }
 }
@@ -1803,8 +1803,9 @@ void LLPanelProfileSecondLife::onCommitProfileImage(const LLUUID& id)
 
 LLPanelProfileWeb::LLPanelProfileWeb()
  : LLPanelProfileTab()
- , mWebBrowser(NULL)
+ , mWebBrowser(nullptr)
  , mAvatarNameCacheConnection()
+ , mFirstNavigate(false)
 {
 }
 
diff --git a/indra/newview/llpathfindingmanager.cpp b/indra/newview/llpathfindingmanager.cpp
index 5e7bc4fb3b..84a62b3cbf 100644
--- a/indra/newview/llpathfindingmanager.cpp
+++ b/indra/newview/llpathfindingmanager.cpp
@@ -35,7 +35,6 @@
 
 #include <boost/bind.hpp>
 #include <boost/function.hpp>
-#include <boost/shared_ptr.hpp>
 #include <boost/signals2.hpp>
 
 #include "llagent.h"
diff --git a/indra/newview/llpathfindingnavmesh.h b/indra/newview/llpathfindingnavmesh.h
index 18b6a31845..d838a1a51c 100644
--- a/indra/newview/llpathfindingnavmesh.h
+++ b/indra/newview/llpathfindingnavmesh.h
@@ -29,7 +29,6 @@
 
 #include <string>
 
-#include <boost/shared_ptr.hpp>
 #include <boost/function.hpp>
 #include <boost/signals2.hpp>
 
diff --git a/indra/newview/llpathfindingnavmeshzone.cpp b/indra/newview/llpathfindingnavmeshzone.cpp
index 012cc11eee..e9ef170176 100644
--- a/indra/newview/llpathfindingnavmeshzone.cpp
+++ b/indra/newview/llpathfindingnavmeshzone.cpp
@@ -30,20 +30,9 @@
 
 #include "llpathfindingnavmeshzone.h"
 
-#include <vector>
-
-#include <boost/bind.hpp>
-#include <boost/function.hpp>
-#include <boost/shared_ptr.hpp>
-#include <boost/signals2.hpp>
-
 #include "llagent.h"
 #include "llpathfindingmanager.h"
-#include "llpathfindingnavmesh.h"
-#include "llpathfindingnavmeshstatus.h"
 #include "llpathinglib.h"
-#include "llsd.h"
-#include "lluuid.h"
 #include "llviewercontrol.h"
 #include "llviewerregion.h"
 
diff --git a/indra/newview/llpathfindingnavmeshzone.h b/indra/newview/llpathfindingnavmeshzone.h
index a2c8691391..e770efa0d0 100644
--- a/indra/newview/llpathfindingnavmeshzone.h
+++ b/indra/newview/llpathfindingnavmeshzone.h
@@ -29,7 +29,6 @@
 
 #include <vector>
 
-#include <boost/shared_ptr.hpp>
 #include <boost/function.hpp>
 #include <boost/signals2.hpp>
 
diff --git a/indra/newview/llpathfindingobject.h b/indra/newview/llpathfindingobject.h
index 17f12efd83..79a796dd60 100644
--- a/indra/newview/llpathfindingobject.h
+++ b/indra/newview/llpathfindingobject.h
@@ -29,7 +29,6 @@
 
 #include <string>
 
-#include <boost/shared_ptr.hpp>
 #include <boost/function.hpp>
 #include <boost/signals2.hpp>
 
diff --git a/indra/newview/llpathfindingobjectlist.h b/indra/newview/llpathfindingobjectlist.h
index 654423183e..cfcd43dc1d 100644
--- a/indra/newview/llpathfindingobjectlist.h
+++ b/indra/newview/llpathfindingobjectlist.h
@@ -30,8 +30,6 @@
 #include <string>
 #include <map>
 
-#include <boost/shared_ptr.hpp>
-
 #include "llpathfindingobject.h"
 
 class LLPathfindingObjectList;
diff --git a/indra/newview/llreflectionmapmanager.cpp b/indra/newview/llreflectionmapmanager.cpp
index 3526004071..f083747bfe 100644
--- a/indra/newview/llreflectionmapmanager.cpp
+++ b/indra/newview/llreflectionmapmanager.cpp
@@ -80,6 +80,9 @@ void load_exr(const std::string& filename)
         gGL.getTexUnit(0)->bind(gEXRImage);
 
         glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB16F, width, height, 0, GL_RGBA, GL_FLOAT, out);
+
+        LLImageGLMemory::alloc_tex_image(width, height, GL_RGB16F, 1);
+
         free(out); // release memory of image data
 
         glGenerateMipmap(GL_TEXTURE_2D);
diff --git a/indra/newview/llscreenchannel.h b/indra/newview/llscreenchannel.h
index 22fb41e559..651483dbe3 100644
--- a/indra/newview/llscreenchannel.h
+++ b/indra/newview/llscreenchannel.h
@@ -30,7 +30,6 @@
 #include "lltoast.h"
 
 #include <map>
-#include <boost/shared_ptr.hpp>
 
 namespace LLNotificationsUI
 {
diff --git a/indra/newview/llsidepanelinventory.cpp b/indra/newview/llsidepanelinventory.cpp
index 9b7289df67..5693f2808c 100644
--- a/indra/newview/llsidepanelinventory.cpp
+++ b/indra/newview/llsidepanelinventory.cpp
@@ -161,6 +161,8 @@ bool LLSidepanelInventory::postBuild()
 
         mPanelMainInventory = mInventoryPanel->getChild<LLPanelMainInventory>("panel_main_inventory");
         mPanelMainInventory->setSelectCallback(boost::bind(&LLSidepanelInventory::onSelectionChange, this, _1, _2));
+        mPanelMainInventory->setParentSidepanel(this);
+        mPanelMainInventory->setInboxPanel(getChild<LLPanelMarketplaceInbox>("marketplace_inbox"));
         //LLTabContainer* tabs = mPanelMainInventory->getChild<LLTabContainer>("inventory filter tabs");
         //tabs->setCommitCallback(boost::bind(&LLSidepanelInventory::updateVerbs, this));
 
diff --git a/indra/newview/llspeakingindicatormanager.cpp b/indra/newview/llspeakingindicatormanager.cpp
index ca99d351bb..a9ef5e244d 100644
--- a/indra/newview/llspeakingindicatormanager.cpp
+++ b/indra/newview/llspeakingindicatormanager.cpp
@@ -182,7 +182,7 @@ void SpeakingIndicatorManager::unregisterSpeakingIndicator(const LLUUID& speaker
 SpeakingIndicatorManager::SpeakingIndicatorManager()
 {
     LLVoiceChannel::setCurrentVoiceChannelChangedCallback(boost::bind(&SpeakingIndicatorManager::sOnCurrentChannelChanged, this, _1));
-    LLVoiceClient::getInstance()->addObserver(this);
+    LLVoiceClient::addObserver(this);
 }
 
 SpeakingIndicatorManager::~SpeakingIndicatorManager()
@@ -193,10 +193,7 @@ void SpeakingIndicatorManager::cleanupSingleton()
 {
     // Don't use LLVoiceClient::getInstance() here without a check,
     // singleton MAY have already been destroyed.
-    if (LLVoiceClient::instanceExists())
-    {
-        LLVoiceClient::getInstance()->removeObserver(this);
-    }
+    LLVoiceClient::removeObserver(this);
 }
 
 void SpeakingIndicatorManager::sOnCurrentChannelChanged(const LLUUID& /*session_id*/)
diff --git a/indra/newview/lltextureview.cpp b/indra/newview/lltextureview.cpp
index 9eaee2e326..bda53f66eb 100644
--- a/indra/newview/lltextureview.cpp
+++ b/indra/newview/lltextureview.cpp
@@ -525,9 +525,9 @@ void LLGLTexMemBar::draw()
    F64 raw_image_bytes_MB = raw_image_bytes / (1024.0 * 1024.0);
    F64 saved_raw_image_bytes_MB = saved_raw_image_bytes / (1024.0 * 1024.0);
    F64 aux_raw_image_bytes_MB = aux_raw_image_bytes / (1024.0 * 1024.0);
-   F64 texture_bytes_alloc = LLImageGL::getTextureBytesAllocated() / 1024.0 / 1024.0 * 1.3333f; // add 33% for mipmaps
-   F64 vertex_bytes_alloc = LLVertexBuffer::getBytesAllocated() / 1024.0 / 1024.0;
-   F64 render_bytes_alloc = LLRenderTarget::sBytesAllocated / 1024.0 / 1024.0;
+   F64 texture_bytes_alloc = LLImageGL::getTextureBytesAllocated() / 1024.0 / 512.0;
+   F64 vertex_bytes_alloc = LLVertexBuffer::getBytesAllocated() / 1024.0 / 512.0;
+   F64 render_bytes_alloc = LLRenderTarget::sBytesAllocated / 1024.0 / 512.0;
 
     //----------------------------------------------------------------------------
     LLGLSUIDefault gls_ui;
@@ -579,7 +579,7 @@ void LLGLTexMemBar::draw()
                     texture_bytes_alloc,
                     vertex_bytes_alloc,
                     render_bytes_alloc,
-        texture_bytes_alloc+vertex_bytes_alloc+render_bytes_alloc);
+        texture_bytes_alloc+vertex_bytes_alloc);
     LLFontGL::getFontMonospace()->renderUTF8(text, 0, 0, v_offset + line_height * 6,
         text_color, LLFontGL::LEFT, LLFontGL::TOP);
 
@@ -836,7 +836,7 @@ void LLTextureView::draw()
         for (LLViewerTextureList::image_list_t::iterator iter = gTextureList.mImageList.begin();
              iter != gTextureList.mImageList.end(); )
         {
-            LLPointer<LLViewerFetchedTexture> imagep = *iter++;
+            LLViewerFetchedTexture* imagep = *iter++;
             if(!imagep->hasFetcher())
             {
                 continue ;
diff --git a/indra/newview/llviewermedia.cpp b/indra/newview/llviewermedia.cpp
index 50171ffcb0..d76c033ef3 100644
--- a/indra/newview/llviewermedia.cpp
+++ b/indra/newview/llviewermedia.cpp
@@ -1755,9 +1755,7 @@ LLPluginClassMedia* LLViewerMediaImpl::newSourceFromMediaType(std::string media_
             bool javascript_enabled = gSavedSettings.getBOOL("BrowserJavascriptEnabled");
             media_source->setJavascriptEnabled(javascript_enabled || clean_browser);
 
-            // collect 'web security disabled' (see Chrome --web-security-disabled) setting from prefs and send to embedded browser
-            bool web_security_disabled = gSavedSettings.getBOOL("BrowserWebSecurityDisabled");
-            media_source->setWebSecurityDisabled(web_security_disabled || clean_browser);
+            media_source->setWebSecurityDisabled(clean_browser);
 
             // collect setting indicates if local file access from file URLs is allowed from prefs and send to embedded browser
             bool file_access_from_file_urls = gSavedSettings.getBOOL("BrowserFileAccessFromFileUrls");
diff --git a/indra/newview/llviewerprecompiledheaders.h b/indra/newview/llviewerprecompiledheaders.h
index 7c8067ede3..a857887247 100644
--- a/indra/newview/llviewerprecompiledheaders.h
+++ b/indra/newview/llviewerprecompiledheaders.h
@@ -42,10 +42,7 @@
 #include <functional>
 #include <map>
 #include <set>
-
-#ifdef LL_WINDOWS
-#pragma warning (3 : 4702) // we like level 3, not 4
-#endif
+#include <vector>
 
 // Library headers from llcommon project:
 #include "indra_constants.h"
diff --git a/indra/newview/llviewertexture.cpp b/indra/newview/llviewertexture.cpp
index 98da378c0d..4922df6738 100644
--- a/indra/newview/llviewertexture.cpp
+++ b/indra/newview/llviewertexture.cpp
@@ -497,11 +497,10 @@ void LLViewerTexture::updateClass()
 
     F64 texture_bytes_alloc = LLImageGL::getTextureBytesAllocated() / 1024.0 / 512.0;
     F64 vertex_bytes_alloc = LLVertexBuffer::getBytesAllocated() / 1024.0 / 512.0;
-    F64 render_bytes_alloc = LLRenderTarget::sBytesAllocated / 1024.0 / 512.0;
 
     // get an estimate of how much video memory we're using
     // NOTE: our metrics miss about half the vram we use, so this biases high but turns out to typically be within 5% of the real number
-    F32 used = (F32)ll_round(texture_bytes_alloc + vertex_bytes_alloc + render_bytes_alloc);
+    F32 used = (F32)ll_round(texture_bytes_alloc + vertex_bytes_alloc);
 
     F32 budget = max_vram_budget == 0 ? (F32)gGLManager.mVRAM : (F32)max_vram_budget;
 
@@ -846,7 +845,7 @@ S32 LLViewerTexture::getTotalNumFaces() const
 S32 LLViewerTexture::getNumFaces(U32 ch) const
 {
     llassert(ch < LLRender::NUM_TEXTURE_CHANNELS);
-    return mNumFaces[ch];
+    return ch < LLRender::NUM_TEXTURE_CHANNELS ? mNumFaces[ch] : 0;
 }
 
 
@@ -1083,8 +1082,6 @@ void LLViewerFetchedTexture::init(bool firstinit)
     mKeptSavedRawImageTime = 0.f;
     mLastCallBackActiveTime = 0.f;
     mForceCallbackFetch = false;
-    mInDebug = false;
-    mUnremovable = false;
 
     mFTType = FTT_UNKNOWN;
 }
@@ -1234,32 +1231,6 @@ bool LLViewerFetchedTexture::isDeleted()
     return mTextureState == DELETED;
 }
 
-bool LLViewerFetchedTexture::isInactive()
-{
-    return mTextureState == INACTIVE;
-}
-
-bool LLViewerFetchedTexture::isDeletionCandidate()
-{
-    return mTextureState == DELETION_CANDIDATE;
-}
-
-void LLViewerFetchedTexture::setDeletionCandidate()
-{
-    if(mGLTexturep.notNull() && mGLTexturep->getTexName() && (mTextureState == INACTIVE))
-    {
-        mTextureState = DELETION_CANDIDATE;
-    }
-}
-
-//set the texture inactive
-void LLViewerFetchedTexture::setInactive()
-{
-    if(mTextureState == ACTIVE && mGLTexturep.notNull() && mGLTexturep->getTexName() && !mGLTexturep->getBoundRecently())
-    {
-        mTextureState = INACTIVE;
-    }
-}
 
 bool LLViewerFetchedTexture::isFullyLoaded() const
 {
@@ -1778,20 +1749,6 @@ S32 LLViewerFetchedTexture::getCurrentDiscardLevelForFetching()
     return current_discard;
 }
 
-bool LLViewerFetchedTexture::setDebugFetching(S32 debug_level)
-{
-    if(debug_level < 0)
-    {
-        mInDebug = false;
-        return false;
-    }
-    mInDebug = true;
-
-    mDesiredDiscardLevel = debug_level;
-
-    return true;
-}
-
 bool LLViewerFetchedTexture::isActiveFetching()
 {
     static LLCachedControl<bool> monitor_enabled(gSavedSettings,"DebugShowTextureInfo");
diff --git a/indra/newview/llviewertexture.h b/indra/newview/llviewertexture.h
index ada818c220..9046daeab2 100644
--- a/indra/newview/llviewertexture.h
+++ b/indra/newview/llviewertexture.h
@@ -146,8 +146,6 @@ public:
 
     virtual F32  getMaxVirtualSize() ;
 
-    LLFrameTimer* getLastReferencedTimer() {return &mLastReferencedTimer ;}
-
     S32 getFullWidth() const { return mFullWidth; }
     S32 getFullHeight() const { return mFullHeight; }
     /*virtual*/ void setKnownDrawSize(S32 width, S32 height);
@@ -197,7 +195,6 @@ protected:
     mutable F32 mMaxVirtualSize = 0.f;  // The largest virtual size of the image, in pixels - how much data to we need?
     mutable S32  mMaxVirtualSizeResetCounter;
     mutable S32  mMaxVirtualSizeResetInterval;
-    LLFrameTimer mLastReferencedTimer;
 
     ll_face_list_t    mFaceList[LLRender::NUM_TEXTURE_CHANNELS]; //reverse pointer pointing to the faces using this image as texture
     U32               mNumFaces[LLRender::NUM_TEXTURE_CHANNELS];
@@ -339,11 +336,6 @@ public:
 
     void setBoostLevel(S32 level) override;
     bool updateFetch();
-    bool setDebugFetching(S32 debug_level);
-    bool isInDebug() const { return mInDebug; }
-
-    void setUnremovable(bool value) { mUnremovable = value; }
-    bool isUnremovable() const { return mUnremovable; }
 
     void clearFetchedResults(); //clear all fetched results, for debug use.
 
@@ -378,10 +370,6 @@ public:
     const std::string& getUrl() const {return mUrl;}
     //---------------
     bool isDeleted() ;
-    bool isInactive() ;
-    bool isDeletionCandidate();
-    void setDeletionCandidate() ;
-    void setInactive() ;
     bool getUseDiscard() const { return mUseMipMaps && !mDontDiscard; }
     //---------------
 
@@ -434,8 +422,6 @@ private:
 
 private:
     bool  mFullyLoaded;
-    bool  mInDebug;
-    bool  mUnremovable;
     bool  mInFastCacheList;
     bool  mForceCallbackFetch;
 
@@ -586,6 +572,10 @@ public:
     /*virtual*/ void removeFace(U32 ch, LLFace* facep) ;
 
     /*virtual*/ F32  getMaxVirtualSize() ;
+
+    // get the timer that tracks the last time reinit was called
+    LLFrameTimer* getLastReferencedTimer() { return &mLastReferencedTimer; }
+
 private:
     void switchTexture(U32 ch, LLFace* facep) ;
     bool findFaces() ;
@@ -606,6 +596,9 @@ private:
     bool mIsPlaying ;
     U32  mUpdateVirtualSizeTime ;
 
+    // tracks last time reinit was called
+    LLFrameTimer mLastReferencedTimer;
+
 public:
     static void updateClass() ;
     static void cleanUpClass() ;
diff --git a/indra/newview/llviewertexturelist.cpp b/indra/newview/llviewertexturelist.cpp
index 7047ce7d29..1ac97a20cf 100644
--- a/indra/newview/llviewertexturelist.cpp
+++ b/indra/newview/llviewertexturelist.cpp
@@ -187,13 +187,6 @@ void LLViewerTextureList::doPreloadImages()
         image->setAddressMode(LLTexUnit::TAM_CLAMP);
         mImagePreloads.insert(image);
     }
-
-    LLPointer<LLImageRaw> img_blak_square_tex(new LLImageRaw(2, 2, 3));
-    memset(img_blak_square_tex->getData(), 0, img_blak_square_tex->getDataSize());
-    LLPointer<LLViewerFetchedTexture> img_blak_square(new LLViewerFetchedTexture(img_blak_square_tex, FTT_DEFAULT, false));
-    gBlackSquareID = img_blak_square->getID();
-    img_blak_square->setUnremovable(true);
-    addImage(img_blak_square, TEX_LIST_STANDARD);
 }
 
 static std::string get_texture_list_name()
@@ -725,6 +718,7 @@ void LLViewerTextureList::removeImageFromList(LLViewerFetchedTexture *image)
     size_t count = 0;
     if (image->isInImageList())
     {
+        image->setInImageList(false);
         count = mImageList.erase(image) ;
         if(count != 1)
         {
@@ -761,8 +755,6 @@ void LLViewerTextureList::removeImageFromList(LLViewerFetchedTexture *image)
                 << LL_ENDL;
         }
     }
-
-    image->setInImageList(false) ;
 }
 
 void LLViewerTextureList::addImage(LLViewerFetchedTexture *new_image, ETexListType tex_type)
@@ -808,15 +800,6 @@ void LLViewerTextureList::deleteImage(LLViewerFetchedTexture *image)
 ///////////////////////////////////////////////////////////////////////////////
 
 
-////////////////////////////////////////////////////////////////////////////
-
-void LLViewerTextureList::dirtyImage(LLViewerFetchedTexture *image)
-{
-    mDirtyTextureList.insert(image);
-}
-
-////////////////////////////////////////////////////////////////////////////
-
 void LLViewerTextureList::updateImages(F32 max_time)
 {
     LL_PROFILE_ZONE_SCOPED_CATEGORY_TEXTURE;
@@ -857,12 +840,6 @@ void LLViewerTextureList::updateImages(F32 max_time)
     //handle results from decode threads
     updateImagesCreateTextures(remaining_time);
 
-    if (!mDirtyTextureList.empty())
-    {
-        gPipeline.dirtyPoolObjectTextures(mDirtyTextureList);
-        mDirtyTextureList.clear();
-    }
-
     bool didone = false;
     for (image_list_t::iterator iter = mCallbackList.begin();
         iter != mCallbackList.end(); )
@@ -906,12 +883,6 @@ extern bool gCubeSnapshot;
 
 void LLViewerTextureList::updateImageDecodePriority(LLViewerFetchedTexture* imagep, bool flush_images)
 {
-    if (imagep->isInDebug() || imagep->isUnremovable())
-    {
-        //update_counter--;
-        return; //is in debug, ignore.
-    }
-
     llassert(!gCubeSnapshot);
 
     static LLCachedControl<F32> bias_distance_scale(gSavedSettings, "TextureBiasDistanceScale", 1.f);
@@ -926,7 +897,6 @@ void LLViewerTextureList::updateImageDecodePriority(LLViewerFetchedTexture* imag
     }
 
     LL_PROFILE_ZONE_SCOPED_CATEGORY_TEXTURE;
-    bool onFace = false;
     for (U32 i = 0; i < LLRender::NUM_TEXTURE_CHANNELS; ++i)
     {
         for (S32 fi = 0; fi < imagep->getNumFaces(i); ++fi)
@@ -935,7 +905,6 @@ void LLViewerTextureList::updateImageDecodePriority(LLViewerFetchedTexture* imag
 
             if (face && face->getViewerObject())
             {
-                onFace = true;
                 F32 radius;
                 F32 cos_angle_to_view_dir;
                 static LLCachedControl<F32> bias_unimportant_threshold(gSavedSettings, "TextureBiasUnimportantFactor", 0.25f);
@@ -983,24 +952,17 @@ void LLViewerTextureList::updateImageDecodePriority(LLViewerFetchedTexture* imag
         volume->updateSpotLightPriority();
     }
 
-    //imagep->setDebugText(llformat("%.3f - %d", sqrtf(imagep->getMaxVirtualSize()), imagep->getBoostLevel()));
-
-    F32 lazy_flush_timeout = 30.f; // stop decoding
-    F32 max_inactive_time = 20.f; // actually delete
-    S32 min_refs = 3; // 1 for mImageList, 1 for mUUIDMap, 1 for local reference
+    F32 max_inactive_time = 20.f; // inactive time before deleting saved raw image
+    S32 min_refs = 3; // 1 for mImageList, 1 for mUUIDMap, and 1 for "entries" in updateImagesFetchTextures
 
     //
     // Flush formatted images using a lazy flush
     //
     S32 num_refs = imagep->getNumRefs();
-    if (num_refs == min_refs && flush_images)
+    if (num_refs <= min_refs && flush_images)
     {
-        if (imagep->getLastReferencedTimer()->getElapsedTimeF32() > lazy_flush_timeout)
-        {
-            // Remove the unused image from the image list
-            deleteImage(imagep);
-            imagep = NULL; // should destroy the image
-        }
+        // Remove the unused image from the image list
+        deleteImage(imagep);
         return;
     }
     else
@@ -1017,27 +979,6 @@ void LLViewerTextureList::updateImageDecodePriority(LLViewerFetchedTexture* imag
         {
             return;
         }
-        else if (imagep->isDeletionCandidate())
-        {
-            imagep->destroyTexture();
-            return;
-        }
-        else if (imagep->isInactive())
-        {
-            if (imagep->getLastReferencedTimer()->getElapsedTimeF32() > max_inactive_time)
-            {
-                imagep->setDeletionCandidate();
-            }
-            return;
-        }
-        else
-        {
-            imagep->getLastReferencedTimer()->reset();
-
-            //reset texture state.
-            if(!onFace)
-                imagep->setInactive();
-        }
     }
 
     if (!imagep->isInImageList())
@@ -1052,20 +993,6 @@ void LLViewerTextureList::updateImageDecodePriority(LLViewerFetchedTexture* imag
     imagep->processTextureStats();
 }
 
-void LLViewerTextureList::setDebugFetching(LLViewerFetchedTexture* tex, S32 debug_level)
-{
-    LL_PROFILE_ZONE_SCOPED_CATEGORY_TEXTURE;
-    if(!tex->setDebugFetching(debug_level))
-    {
-        return;
-    }
-
-    const F32 DEBUG_PRIORITY = 100000.f;
-    removeImageFromList(tex);
-    tex->mMaxVirtualSize = DEBUG_PRIORITY;
-    addImageToList(tex);
-}
-
 F32 LLViewerTextureList::updateImagesCreateTextures(F32 max_time)
 {
     LL_PROFILE_ZONE_SCOPED_CATEGORY_TEXTURE;
@@ -1169,21 +1096,12 @@ F32 LLViewerTextureList::updateImagesLoadingFastCache(F32 max_time)
 void LLViewerTextureList::forceImmediateUpdate(LLViewerFetchedTexture* imagep)
 {
     LL_PROFILE_ZONE_SCOPED_CATEGORY_TEXTURE;
-    if(!imagep)
+    if(!imagep || gCubeSnapshot)
     {
         return ;
     }
-    if(imagep->isInImageList())
-    {
-        removeImageFromList(imagep);
-    }
 
-    if (!gCubeSnapshot)
-    { // never call processTextureStats in a cube snapshot
-        imagep->processTextureStats();
-    }
-    imagep->sMaxVirtualSize = LLViewerFetchedTexture::sMaxVirtualSize;
-    addImageToList(imagep);
+    imagep->processTextureStats();
 
     return ;
 }
@@ -1198,12 +1116,15 @@ F32 LLViewerTextureList::updateImagesFetchTextures(F32 max_time)
     // update N textures at beginning of mImageList
     U32 update_count = 0;
     static const S32 MIN_UPDATE_COUNT = gSavedSettings.getS32("TextureFetchUpdateMinCount");       // default: 32
-    // WIP -- dumb code here
+
+    // NOTE:  a texture may be deleted as a side effect of some of these updates
+    // Deletion rules check ref count, so be careful not to hold any LLPointer references to the textures here other than the one in entries.
+
     //update MIN_UPDATE_COUNT or 5% of other textures, whichever is greater
     update_count = llmax((U32) MIN_UPDATE_COUNT, (U32) mUUIDMap.size()/20);
     update_count = llmin(update_count, (U32) mUUIDMap.size());
 
-    {
+    { // copy entries out of UUID map to avoid iterator invalidation from deletion inside updateImageDecodeProiroty or updateFetch below
         LL_PROFILE_ZONE_NAMED_CATEGORY_TEXTURE("vtluift - copy");
 
         // copy entries out of UUID map for updating
@@ -1226,30 +1147,22 @@ F32 LLViewerTextureList::updateImagesFetchTextures(F32 max_time)
 
     LLTimer timer;
 
-    LLPointer<LLViewerTexture> last_imagep = nullptr;
-
     for (auto& imagep : entries)
     {
-        if (imagep->getNumRefs() > 1) // make sure this image hasn't been deleted before attempting to update (may happen as a side effect of some other image updating)
+        mLastUpdateKey = LLTextureKey(imagep->getID(), (ETexListType)imagep->getTextureListType());
 
+        if (imagep->getNumRefs() > 1) // make sure this image hasn't been deleted before attempting to update (may happen as a side effect of some other image updating)
         {
             updateImageDecodePriority(imagep);
             imagep->updateFetch();
         }
 
-        last_imagep = imagep;
-
         if (timer.getElapsedTimeF32() > max_time)
         {
             break;
         }
     }
 
-    if (last_imagep)
-    {
-        mLastUpdateKey = LLTextureKey(last_imagep->getID(), (ETexListType)last_imagep->getTextureListType());
-    }
-
     return timer.getElapsedTimeF32();
 }
 
diff --git a/indra/newview/llviewertexturelist.h b/indra/newview/llviewertexturelist.h
index b614753b4f..7c7112f4cf 100644
--- a/indra/newview/llviewertexturelist.h
+++ b/indra/newview/llviewertexturelist.h
@@ -122,8 +122,6 @@ public:
     LLViewerFetchedTexture *findImage(const LLUUID &image_id, ETexListType tex_type);
     LLViewerFetchedTexture *findImage(const LLTextureKey &search_key);
 
-    void dirtyImage(LLViewerFetchedTexture *image);
-
     // Using image stats, determine what images are necessary, and perform image updates.
     void updateImages(F32 max_time);
     void forceImmediateUpdate(LLViewerFetchedTexture* imagep) ;
@@ -142,7 +140,6 @@ public:
     void doPrefetchImages();
 
     void clearFetchingRequests();
-    void setDebugFetching(LLViewerFetchedTexture* tex, S32 debug_level);
 
     // do some book keeping on the specified texture
     // - updates decode priority
@@ -223,9 +220,6 @@ public:
     image_list_t mCallbackList;
     image_list_t mFastCacheList;
 
-    // Note: just raw pointers because they are never referenced, just compared against
-    std::set<LLViewerFetchedTexture*> mDirtyTextureList;
-
     bool mForceResetTextureStats;
 
     // to make "for (auto& imagep : gTextureList)" work
diff --git a/indra/newview/llviewerwindow.h b/indra/newview/llviewerwindow.h
index 395d8c78da..1b995ea650 100644
--- a/indra/newview/llviewerwindow.h
+++ b/indra/newview/llviewerwindow.h
@@ -50,7 +50,6 @@
 
 #include <boost/function.hpp>
 #include <boost/signals2.hpp>
-#include <boost/scoped_ptr.hpp>
 
 class LLView;
 class LLViewerObject;
diff --git a/indra/newview/llvoicechannel.cpp b/indra/newview/llvoicechannel.cpp
index 5914303e80..eb1cd00940 100644
--- a/indra/newview/llvoicechannel.cpp
+++ b/indra/newview/llvoicechannel.cpp
@@ -81,10 +81,7 @@ LLVoiceChannel::~LLVoiceChannel()
     {
         sCurrentVoiceChannel = NULL;
         // Must check instance exists here, the singleton MAY have already been destroyed.
-        if(LLVoiceClient::instanceExists())
-        {
-            LLVoiceClient::getInstance()->removeObserver(this);
-        }
+        LLVoiceClient::removeObserver(this);
     }
 
     sVoiceChannelMap.erase(mSessionID);
@@ -118,6 +115,12 @@ void LLVoiceChannel::setChannelInfo(const LLSD &channelInfo)
     }
 }
 
+void LLVoiceChannel::resetChannelInfo()
+{
+    mChannelInfo = LLSD();
+    mState = STATE_NO_CHANNEL_INFO;
+}
+
 void LLVoiceChannel::onChange(EStatusType type, const LLSD& channelInfo, bool proximal)
 {
     LL_DEBUGS("Voice") << "Incoming channel info: " << channelInfo << LL_ENDL;
@@ -219,7 +222,7 @@ void LLVoiceChannel::deactivate()
             LLVoiceClient::getInstance()->setUserPTTState(false);
         }
     }
-    LLVoiceClient::getInstance()->removeObserver(this);
+    LLVoiceClient::removeObserver(this);
 
     if (sCurrentVoiceChannel == this)
     {
@@ -259,7 +262,7 @@ void LLVoiceChannel::activate()
         setState(STATE_CALL_STARTED);
     }
 
-    LLVoiceClient::getInstance()->addObserver(this);
+    LLVoiceClient::addObserver(this);
 
     //do not send earlier, channel should be initialized, should not be in STATE_NO_CHANNEL_INFO state
     sCurrentVoiceChannelChangedSignal(this->mSessionID);
@@ -751,7 +754,7 @@ void LLVoiceChannelProximal::deactivate()
     {
         setState(STATE_HUNG_UP);
     }
-    LLVoiceClient::getInstance()->removeObserver(this);
+    LLVoiceClient::removeObserver(this);
     LLVoiceClient::getInstance()->activateSpatialChannel(false);
 }
 
@@ -918,6 +921,12 @@ void LLVoiceChannelP2P::setChannelInfo(const LLSD& channel_info)
     }
 }
 
+void LLVoiceChannelP2P::resetChannelInfo()
+{
+    mChannelInfo = LLVoiceClient::getInstance()->getP2PChannelInfoTemplate(mOtherUserID);
+    mState = STATE_NO_CHANNEL_INFO; // we have template, not full info
+}
+
 void LLVoiceChannelP2P::setState(EState state)
 {
     LL_INFOS("Voice") << "P2P CALL STATE CHANGE: incoming=" << int(mReceivedCall) << " oldstate=" << mState << " newstate=" << state << LL_ENDL;
diff --git a/indra/newview/llvoicechannel.h b/indra/newview/llvoicechannel.h
index d50a6f589a..4d7bf551e1 100644
--- a/indra/newview/llvoicechannel.h
+++ b/indra/newview/llvoicechannel.h
@@ -72,7 +72,8 @@ public:
     virtual void handleError(EStatusType status);
     virtual void deactivate();
     virtual void activate();
-    virtual void setChannelInfo(const LLSD &channelInfo);
+    virtual void setChannelInfo(const LLSD& channelInfo);
+    virtual void resetChannelInfo();
     virtual void requestChannelInfo();
     virtual bool isActive() const;
     virtual bool callStarted() const;
@@ -189,6 +190,7 @@ class LLVoiceChannelP2P : public LLVoiceChannelGroup
     void requestChannelInfo() override;
     void deactivate() override;
     void setChannelInfo(const LLSD& channel_info) override;
+    void resetChannelInfo() override;
 
   protected:
     void setState(EState state) override;
diff --git a/indra/newview/llvoiceclient.cpp b/indra/newview/llvoiceclient.cpp
index 21f469abb3..5af7528ada 100644
--- a/indra/newview/llvoiceclient.cpp
+++ b/indra/newview/llvoiceclient.cpp
@@ -796,8 +796,14 @@ void LLVoiceClient::addObserver(LLVoiceClientStatusObserver* observer)
 
 void LLVoiceClient::removeObserver(LLVoiceClientStatusObserver* observer)
 {
-    LLVivoxVoiceClient::getInstance()->removeObserver(observer);
-    LLWebRTCVoiceClient::getInstance()->removeObserver(observer);
+    if (LLVivoxVoiceClient::instanceExists())
+    {
+        LLVivoxVoiceClient::getInstance()->removeObserver(observer);
+    }
+    if (LLWebRTCVoiceClient::instanceExists())
+    {
+        LLWebRTCVoiceClient::getInstance()->removeObserver(observer);
+    }
 }
 
 void LLVoiceClient::addObserver(LLFriendObserver* observer)
@@ -808,8 +814,14 @@ void LLVoiceClient::addObserver(LLFriendObserver* observer)
 
 void LLVoiceClient::removeObserver(LLFriendObserver* observer)
 {
-    LLVivoxVoiceClient::getInstance()->removeObserver(observer);
-    LLWebRTCVoiceClient::getInstance()->removeObserver(observer);
+    if (LLVivoxVoiceClient::instanceExists())
+    {
+        LLVivoxVoiceClient::getInstance()->removeObserver(observer);
+    }
+    if (LLWebRTCVoiceClient::instanceExists())
+    {
+        LLWebRTCVoiceClient::getInstance()->removeObserver(observer);
+    }
 }
 
 void LLVoiceClient::addObserver(LLVoiceClientParticipantObserver* observer)
@@ -820,8 +832,14 @@ void LLVoiceClient::addObserver(LLVoiceClientParticipantObserver* observer)
 
 void LLVoiceClient::removeObserver(LLVoiceClientParticipantObserver* observer)
 {
-    LLVivoxVoiceClient::getInstance()->removeObserver(observer);
-    LLWebRTCVoiceClient::getInstance()->removeObserver(observer);
+    if (LLVivoxVoiceClient::instanceExists())
+    {
+        LLVivoxVoiceClient::getInstance()->removeObserver(observer);
+    }
+    if (LLWebRTCVoiceClient::instanceExists())
+    {
+        LLWebRTCVoiceClient::getInstance()->removeObserver(observer);
+    }
 }
 
 std::string LLVoiceClient::sipURIFromID(const LLUUID &id) const
diff --git a/indra/newview/llvoiceclient.h b/indra/newview/llvoiceclient.h
index 2221bc6df4..d53f512d82 100644
--- a/indra/newview/llvoiceclient.h
+++ b/indra/newview/llvoiceclient.h
@@ -38,7 +38,6 @@ class LLVOAvatar;
 #include "llcallingcard.h"   // for LLFriendObserver
 #include "llsecapi.h"
 #include "llcontrol.h"
-#include <boost/shared_ptr.hpp>
 
 // devices
 
@@ -482,12 +481,12 @@ public:
 
     void onRegionChanged();
 
-    void addObserver(LLVoiceClientStatusObserver* observer);
-    void removeObserver(LLVoiceClientStatusObserver* observer);
-    void addObserver(LLFriendObserver* observer);
-    void removeObserver(LLFriendObserver* observer);
-    void addObserver(LLVoiceClientParticipantObserver* observer);
-    void removeObserver(LLVoiceClientParticipantObserver* observer);
+    static void addObserver(LLVoiceClientStatusObserver* observer);
+    static void removeObserver(LLVoiceClientStatusObserver* observer);
+    static void addObserver(LLFriendObserver* observer);
+    static void removeObserver(LLFriendObserver* observer);
+    static void addObserver(LLVoiceClientParticipantObserver* observer);
+    static void removeObserver(LLVoiceClientParticipantObserver* observer);
 
     std::string sipURIFromID(const LLUUID &id) const;
     LLSD getP2PChannelInfoTemplate(const LLUUID& id) const;
diff --git a/indra/newview/llvoicewebrtc.cpp b/indra/newview/llvoicewebrtc.cpp
index e0130a9416..4d4f5dc9e9 100644
--- a/indra/newview/llvoicewebrtc.cpp
+++ b/indra/newview/llvoicewebrtc.cpp
@@ -236,11 +236,26 @@ LLWebRTCVoiceClient::LLWebRTCVoiceClient() :
 
 LLWebRTCVoiceClient::~LLWebRTCVoiceClient()
 {
+}
+
+void LLWebRTCVoiceClient::cleanupSingleton()
+{
     if (mAvatarNameCacheConnection.connected())
     {
         mAvatarNameCacheConnection.disconnect();
     }
+
     sShuttingDown = true;
+    if (mSession)
+    {
+        mSession->shutdownAllConnections();
+    }
+    if (mNextSession)
+    {
+        mNextSession->shutdownAllConnections();
+    }
+    cleanUp();
+    sessionState::clearSessions();
 }
 
 //---------------------------------------------------
@@ -253,6 +268,7 @@ void LLWebRTCVoiceClient::init(LLPumpIO* pump)
     mWebRTCDeviceInterface = llwebrtc::getDeviceInterface();
     mWebRTCDeviceInterface->setDevicesObserver(this);
     mMainQueue = LL::WorkQueue::getInstance("mainloop");
+    refreshDeviceLists();
 }
 
 void LLWebRTCVoiceClient::terminate()
@@ -621,7 +637,7 @@ void LLWebRTCVoiceClient::clearCaptureDevices()
 
 void LLWebRTCVoiceClient::addCaptureDevice(const LLVoiceDevice& device)
 {
-    LL_DEBUGS("Voice") << "display: '" << device.display_name << "' device: '" << device.full_name << "'" << LL_ENDL;
+    LL_INFOS("Voice") << "Voice Capture Device: '" << device.display_name << "' (" << device.full_name << ")" << LL_ENDL;
     mCaptureDevices.push_back(device);
 }
 
@@ -654,6 +670,10 @@ void LLWebRTCVoiceClient::OnDevicesChanged(const llwebrtc::LLWebRTCVoiceDeviceLi
 void LLWebRTCVoiceClient::OnDevicesChangedImpl(const llwebrtc::LLWebRTCVoiceDeviceList &render_devices,
                                                const llwebrtc::LLWebRTCVoiceDeviceList &capture_devices)
 {
+    if (sShuttingDown)
+    {
+        return;
+    }
     LL_PROFILE_ZONE_SCOPED_CATEGORY_VOICE;
     std::string inputDevice = gSavedSettings.getString("VoiceInputAudioDevice");
     std::string outputDevice = gSavedSettings.getString("VoiceOutputAudioDevice");
@@ -686,7 +706,7 @@ void LLWebRTCVoiceClient::clearRenderDevices()
 
 void LLWebRTCVoiceClient::addRenderDevice(const LLVoiceDevice& device)
 {
-    LL_DEBUGS("Voice") << "display: '" << device.display_name << "' device: '" << device.full_name << "'" << LL_ENDL;
+    LL_INFOS("Voice") << "Voice Render Device: '" << device.display_name << "' (" << device.full_name << ")" << LL_ENDL;
     mRenderDevices.push_back(device);
 
 }
@@ -1705,7 +1725,7 @@ void LLWebRTCVoiceClient::predSetUserMute(const LLWebRTCVoiceClient::sessionStat
 //------------------------------------------------------------------------
 // Sessions
 
-std::map<std::string, LLWebRTCVoiceClient::sessionState::ptr_t> LLWebRTCVoiceClient::sessionState::mSessions;
+std::map<std::string, LLWebRTCVoiceClient::sessionState::ptr_t> LLWebRTCVoiceClient::sessionState::sSessions;
 
 
 LLWebRTCVoiceClient::sessionState::sessionState() :
@@ -1792,13 +1812,19 @@ void LLWebRTCVoiceClient::sessionState::addSession(
     const std::string & channelID,
     LLWebRTCVoiceClient::sessionState::ptr_t& session)
 {
-    mSessions[channelID] = session;
+    sSessions[channelID] = session;
 }
 
 LLWebRTCVoiceClient::sessionState::~sessionState()
 {
     LL_DEBUGS("Voice") << "Destroying session CHANNEL=" << mChannelID << LL_ENDL;
 
+    if (!mShuttingDown)
+    {
+        shutdownAllConnections();
+    }
+    mWebRTCConnections.clear();
+
     removeAllParticipants();
 }
 
@@ -1808,8 +1834,8 @@ LLWebRTCVoiceClient::sessionState::ptr_t LLWebRTCVoiceClient::sessionState::matc
     sessionStatePtr_t result;
 
     // *TODO: My kingdom for a lambda!
-    std::map<std::string, ptr_t>::iterator it = mSessions.find(channel_id);
-    if (it != mSessions.end())
+    std::map<std::string, ptr_t>::iterator it = sSessions.find(channel_id);
+    if (it != sSessions.end())
     {
         result = (*it).second;
     }
@@ -1818,17 +1844,17 @@ LLWebRTCVoiceClient::sessionState::ptr_t LLWebRTCVoiceClient::sessionState::matc
 
 void LLWebRTCVoiceClient::sessionState::for_each(sessionFunc_t func)
 {
-    std::for_each(mSessions.begin(), mSessions.end(), boost::bind(for_eachPredicate, _1, func));
+    std::for_each(sSessions.begin(), sSessions.end(), boost::bind(for_eachPredicate, _1, func));
 }
 
 void LLWebRTCVoiceClient::sessionState::reapEmptySessions()
 {
     std::map<std::string, ptr_t>::iterator iter;
-    for (iter = mSessions.begin(); iter != mSessions.end();)
+    for (iter = sSessions.begin(); iter != sSessions.end();)
     {
         if (iter->second->isEmpty())
         {
-            iter = mSessions.erase(iter);
+            iter = sSessions.erase(iter);
         }
         else
         {
@@ -1874,6 +1900,11 @@ LLWebRTCVoiceClient::sessionStatePtr_t LLWebRTCVoiceClient::addSession(const std
     }
 }
 
+void LLWebRTCVoiceClient::sessionState::clearSessions()
+{
+    sSessions.clear();
+}
+
 LLWebRTCVoiceClient::sessionStatePtr_t LLWebRTCVoiceClient::findP2PSession(const LLUUID &agent_id)
 {
     sessionStatePtr_t result = sessionState::matchSessionByChannelID(agent_id.asString());
@@ -1913,14 +1944,14 @@ void LLWebRTCVoiceClient::sessionState::processSessionStates()
 {
     LL_PROFILE_ZONE_SCOPED_CATEGORY_VOICE;
 
-    auto iter = mSessions.begin();
-    while (iter != mSessions.end())
+    auto iter = sSessions.begin();
+    while (iter != sSessions.end())
     {
         if (!iter->second->processConnectionStates() && iter->second->mShuttingDown)
         {
             // if the connections associated with a session are gone,
             // and this session is shutting down, remove it.
-            iter = mSessions.erase(iter);
+            iter = sSessions.erase(iter);
         }
         else
         {
@@ -2121,8 +2152,10 @@ LLVoiceWebRTCConnection::LLVoiceWebRTCConnection(const LLUUID &regionID, const s
     mOutstandingRequests(0),
     mChannelID(channelID),
     mRegionID(regionID),
+    mPrimary(true),
     mRetryWaitPeriod(0)
 {
+
     // retries wait a short period...randomize it so
     // all clients don't try to reconnect at once.
     mRetryWaitSecs = static_cast<F32>(rand()) / static_cast<F32>(RAND_MAX) + 0.5f;
@@ -2368,6 +2401,12 @@ void LLVoiceWebRTCConnection::OnPeerConnectionClosed()
                 setVoiceConnectionState(VOICE_STATE_CLOSED);
                 mOutstandingRequests--;
             }
+            else if (LLWebRTCVoiceClient::isShuttingDown())
+            {
+                // disconnect was initialized by llwebrtc::terminate() instead of connectionStateMachine
+                LL_INFOS("Voice") << "Peer connection has closed, but state is " << mVoiceConnectionState << LL_ENDL;
+                setVoiceConnectionState(VOICE_STATE_CLOSED);
+            }
         });
 }
 
@@ -2474,7 +2513,11 @@ void LLVoiceWebRTCConnection::breakVoiceConnectionCoro(connectionPtr_t connectio
     LLSD result = httpAdapter->postAndSuspend(httpRequest, url, body, httpOpts);
 
     connection->mOutstandingRequests--;
-    connection->setVoiceConnectionState(VOICE_STATE_SESSION_EXIT);
+
+    if (connection->getVoiceConnectionState() == VOICE_STATE_WAIT_FOR_EXIT)
+    {
+        connection->setVoiceConnectionState(VOICE_STATE_SESSION_EXIT);
+    }
 }
 
 // Tell the simulator to tell the Secondlife WebRTC server that we want a voice
@@ -2707,7 +2750,18 @@ bool LLVoiceWebRTCConnection::connectionStateMachine()
         case VOICE_STATE_SESSION_UP:
         {
             mRetryWaitPeriod = 0;
-            mRetryWaitSecs = static_cast<F32>(rand()) / static_cast<F32>(RAND_MAX) + 0.5f;
+            mRetryWaitSecs   = (F32)((F32) rand() / (RAND_MAX)) + 0.5f;
+            LLUUID agentRegionID;
+            if (isSpatial() && gAgent.getRegion())
+            {
+
+                bool primary = (mRegionID == gAgent.getRegion()->getRegionID());
+                if (primary != mPrimary)
+                {
+                    mPrimary = primary;
+                    sendJoin();
+                }
+            }
 
             // we'll stay here as long as the session remains up.
             if (mShutDown)
@@ -2736,9 +2790,18 @@ bool LLVoiceWebRTCConnection::connectionStateMachine()
             break;
 
         case VOICE_STATE_DISCONNECT:
-            setVoiceConnectionState(VOICE_STATE_WAIT_FOR_EXIT);
-            LLCoros::instance().launch("LLVoiceWebRTCConnection::breakVoiceConnectionCoro",
-                                       boost::bind(&LLVoiceWebRTCConnection::breakVoiceConnectionCoro, this->shared_from_this()));
+            if (!LLWebRTCVoiceClient::isShuttingDown())
+            {
+                setVoiceConnectionState(VOICE_STATE_WAIT_FOR_EXIT);
+                LLCoros::instance().launch("LLVoiceWebRTCConnection::breakVoiceConnectionCoro",
+                                           boost::bind(&LLVoiceWebRTCConnection::breakVoiceConnectionCoro, this->shared_from_this()));
+            }
+            else
+            {
+                // llwebrtc::terminate() is already shuting down the connection.
+                setVoiceConnectionState(VOICE_STATE_WAIT_FOR_CLOSE);
+                mOutstandingRequests++;
+            }
             break;
 
         case VOICE_STATE_WAIT_FOR_EXIT:
@@ -2748,7 +2811,11 @@ bool LLVoiceWebRTCConnection::connectionStateMachine()
         {
             setVoiceConnectionState(VOICE_STATE_WAIT_FOR_CLOSE);
             mOutstandingRequests++;
-            mWebRTCPeerConnectionInterface->shutdownConnection();
+            if (!LLWebRTCVoiceClient::isShuttingDown())
+            {
+                mWebRTCPeerConnectionInterface->shutdownConnection();
+            }
+            // else was already posted by llwebrtc::terminate().
             break;
         case VOICE_STATE_WAIT_FOR_CLOSE:
             break;
@@ -2978,7 +3045,7 @@ void LLVoiceWebRTCConnection::sendJoin()
     boost::json::object root;
     boost::json::object join_obj;
     LLUUID           regionID = gAgent.getRegion()->getRegionID();
-    if ((regionID == mRegionID) || !isSpatial())
+    if (mPrimary)
     {
         join_obj["p"] = true;
     }
@@ -2996,6 +3063,10 @@ LLVoiceWebRTCSpatialConnection::LLVoiceWebRTCSpatialConnection(const LLUUID &reg
     LLVoiceWebRTCConnection(regionID, channelID),
     mParcelLocalID(parcelLocalID)
 {
+    if (gAgent.getRegion())
+    {
+        mPrimary = (regionID == gAgent.getRegion()->getRegionID());
+    }
 }
 
 LLVoiceWebRTCSpatialConnection::~LLVoiceWebRTCSpatialConnection()
diff --git a/indra/newview/llvoicewebrtc.h b/indra/newview/llvoicewebrtc.h
index c8dbb64574..32127f9b17 100644
--- a/indra/newview/llvoicewebrtc.h
+++ b/indra/newview/llvoicewebrtc.h
@@ -70,6 +70,7 @@ class LLWebRTCVoiceClient : public LLSingleton<LLWebRTCVoiceClient>,
     virtual ~LLWebRTCVoiceClient();
 
 public:
+    void cleanupSingleton() override;
     /// @name LLVoiceModuleInterface virtual implementations
     ///  @see LLVoiceModuleInterface
     //@{
@@ -300,6 +301,7 @@ public:
         static void for_each(sessionFunc_t func);
 
         static void reapEmptySessions();
+        static void clearSessions();
 
         bool isEmpty() { return mWebRTCConnections.empty(); }
 
@@ -319,7 +321,7 @@ public:
         participantUUIDMap mParticipantsByUUID;
 
         static bool hasSession(const std::string &sessionID)
-        { return mSessions.find(sessionID) != mSessions.end(); }
+        { return sSessions.find(sessionID) != sSessions.end(); }
 
        bool mHangupOnLastLeave;  // notify observers after the session becomes empty.
        bool mNotifyOnFirstJoin;  // notify observers when the first peer joins.
@@ -330,7 +332,7 @@ public:
 
     private:
 
-        static std::map<std::string, ptr_t> mSessions;  // canonical list of outstanding sessions.
+        static std::map<std::string, ptr_t> sSessions;  // canonical list of outstanding sessions.
 
         static void for_eachPredicate(const std::pair<std::string,
                                       LLWebRTCVoiceClient::sessionState::wptr_t> &a,
@@ -620,7 +622,7 @@ class LLVoiceWebRTCConnection :
 
     bool connectionStateMachine();
 
-    virtual bool isSpatial() = 0;
+    virtual bool isSpatial() { return false; }
 
     LLUUID getRegionID() { return mRegionID; }
 
@@ -684,6 +686,7 @@ class LLVoiceWebRTCConnection :
     LLVoiceClientStatusObserver::EStatusType mCurrentStatus;
 
     LLUUID mRegionID;
+    bool   mPrimary;
     LLUUID mViewerSession;
     std::string mChannelID;
 
diff --git a/indra/newview/llwindowlistener.cpp b/indra/newview/llwindowlistener.cpp
index 6221d67b26..ebcdd537a5 100644
--- a/indra/newview/llwindowlistener.cpp
+++ b/indra/newview/llwindowlistener.cpp
@@ -43,7 +43,6 @@
 #include "stringize.h"
 #include <typeinfo>
 #include <map>
-#include <boost/scoped_ptr.hpp>
 #include <boost/bind.hpp>
 
 LLWindowListener::LLWindowListener(LLViewerWindow *window, const KeyboardGetter& kbgetter)
diff --git a/indra/newview/llxmlrpclistener.cpp b/indra/newview/llxmlrpclistener.cpp
index 7c7bd98bcd..92e6c88752 100644
--- a/indra/newview/llxmlrpclistener.cpp
+++ b/indra/newview/llxmlrpclistener.cpp
@@ -34,10 +34,6 @@
 // STL headers
 #include <map>
 #include <set>
-// std headers
-// external library headers
-#include <boost/scoped_ptr.hpp>
-#include <boost/range.hpp>          // boost::begin(), boost::end()
 
 #include "curl/curl.h"
 
@@ -334,7 +330,7 @@ public:
         // need to wake up the loginCoro now
         llcoro::suspend();
 
-        // Because mTransaction is a boost::scoped_ptr, deleting this object
+        // Because mTransaction is a std::unique_ptr, deleting this object
         // frees our LLXMLRPCTransaction object.
         // Because mBoundListener is an LLTempBoundListener, deleting this
         // object disconnects it from "mainloop".
diff --git a/indra/test/llevents_tut.cpp b/indra/test/llevents_tut.cpp
index 875ca9ad89..bf5cd3f853 100644
--- a/indra/test/llevents_tut.cpp
+++ b/indra/test/llevents_tut.cpp
@@ -44,7 +44,6 @@
 #include <typeinfo>
 // external library headers
 #include <boost/bind.hpp>
-#include <boost/shared_ptr.hpp>
 #include <boost/assign/list_of.hpp>
 // other Linden headers
 #include "tests/listener.h"             // must PRECEDE lltut.h
diff --git a/indra/test/test.cpp b/indra/test/test.cpp
index e0a43b2e08..6e280819df 100644
--- a/indra/test/test.cpp
+++ b/indra/test/test.cpp
@@ -56,10 +56,6 @@
 
 #include <boost/iostreams/tee.hpp>
 #include <boost/iostreams/stream.hpp>
-#include <boost/scoped_ptr.hpp>
-#include <boost/shared_ptr.hpp>
-#include <boost/make_shared.hpp>
-#include <boost/foreach.hpp>
 
 #include <fstream>
author	Andrey Lihatskiy <alihatskiy@productengine.com>	2024-08-21 19:55:59 +0300
committer	Andrey Lihatskiy <alihatskiy@productengine.com>	2024-08-21 19:55:59 +0300
commit	8756727a525f3c4f72d790adafb8d719dfc24a94 (patch)
tree	ee201c54b5e218ed449bb90c398355c0c88ffa4e
parent	8f07f8e233ed5ed6c5a7b6f797d0ee7b18b652e2 (diff)
parent	4bda6873ee7baac1ac34f92178d871c430da88c6 (diff)