Merge branch 'master' into DRTVWR-544-maint

# Conflicts:
#	indra/llprimitive/llmodel.cpp
#	indra/llprimitive/llmodel.h
#	indra/newview/llappviewer.cpp
#	indra/newview/llappviewer.h

38 files changed, 496 insertions, 454 deletions

diff --git a/indra/newview/app_settings/cmd_line.xml b/indra/newview/app_settings/cmd_line.xml
index 3100baf943..dd2b656ce3 100644
--- a/indra/newview/app_settings/cmd_line.xml
+++ b/indra/newview/app_settings/cmd_line.xml
@@ -209,6 +209,14 @@
       <string>NoAudio</string>
     </map>
 
+    <key>noninteractive</key>
+    <map>
+      <key>desc</key>
+      <string>Run in semi-headless mode where only login and logout need to work.</string>
+      <key>map-to</key>
+      <string>NonInteractive</string>
+    </map>
+
     <key>nonotifications</key>
     <map>
       <key>desc</key>
diff --git a/indra/newview/app_settings/high_graphics.xml b/indra/newview/app_settings/high_graphics.xml
index 662f7e39dd..f64937f443 100644
--- a/indra/newview/app_settings/high_graphics.xml
+++ b/indra/newview/app_settings/high_graphics.xml
@@ -6,8 +6,6 @@
 	<RenderAvatarLODFactor value="1.0"/>
 	<!--Default for now-->
 	<RenderAvatarPhysicsLODFactor value="0.9"/>
-	<!--NO SHADERS-->
-	<RenderAvatarVP value="TRUE"/>
 	<!--Short Range-->
 	<RenderFarClip value="128"/>
 	<!--Default for now-->
diff --git a/indra/newview/app_settings/low_graphics.xml b/indra/newview/app_settings/low_graphics.xml
index 0ee8e7a059..b31a040d67 100644
--- a/indra/newview/app_settings/low_graphics.xml
+++ b/indra/newview/app_settings/low_graphics.xml
@@ -6,8 +6,6 @@
 	<RenderAvatarLODFactor value="0.5"/>
 	<!--Default for now-->
 	<RenderAvatarPhysicsLODFactor value="0.0"/>
-	<!--NO SHADERS-->
-	<RenderAvatarVP value="FALSE"/>
 	<!--Short Range-->
 	<RenderFarClip value="64"/>
 	<!--Default for now-->
diff --git a/indra/newview/app_settings/mid_graphics.xml b/indra/newview/app_settings/mid_graphics.xml
index c89e060307..9c2c17fc60 100644
--- a/indra/newview/app_settings/mid_graphics.xml
+++ b/indra/newview/app_settings/mid_graphics.xml
@@ -6,8 +6,6 @@
 	<RenderAvatarLODFactor value="0.5"/>
 	<!--Default for now-->
 	<RenderAvatarPhysicsLODFactor value="0.75"/>
-	<!--NO SHADERS-->
-	<RenderAvatarVP value="TRUE"/>
 	<!--Short Range-->
 	<RenderFarClip value="96"/>
 	<!--Default for now-->
diff --git a/indra/newview/app_settings/settings.xml b/indra/newview/app_settings/settings.xml
index 4958cf4264..02b256973e 100644
--- a/indra/newview/app_settings/settings.xml
+++ b/indra/newview/app_settings/settings.xml
@@ -801,17 +801,6 @@
       <key>Value</key>
       <integer>0</integer>
     </map>
-    <key>FramePerSecondLimit</key>
-    <map>
-      <key>Comment</key>
-      <string>Controls upper limit of frames per second</string>
-      <key>Persist</key>
-      <integer>1</integer>
-      <key>Type</key>
-      <string>U32</string>
-      <key>Value</key>
-      <integer>120</integer>
-    </map>
     <key>BackgroundYieldTime</key>
     <map>
       <key>Comment</key>
@@ -3398,10 +3387,10 @@
       <key>Value</key>
       <integer>0</integer>
     </map>
-    <key>DisableVerticalSync</key>
+    <key>RenderVSyncEnable</key>
     <map>
       <key>Comment</key>
-      <string>Update frames as fast as possible (FALSE = update frames between display scans)</string>
+      <string>Update frames between display scans (FALSE = Update frames as fast as possible).</string>
       <key>Persist</key>
       <integer>1</integer>
       <key>Type</key>
@@ -3574,7 +3563,7 @@
       <key>Value</key>
       <integer>0</integer>
     </map>
-    <key>DoubleClickTeleport</key>
+    <key>DoubleClickTeleport</key> 
     <map>
       <key>Comment</key>
       <string>Enable double-click to teleport where allowed (afects minimap and people panel)</string>
@@ -3904,6 +3893,17 @@
         <key>Value</key>
         <integer>1</integer>
     </map>
+    <key>MainWorkTime</key>
+    <map>
+        <key>Comment</key>
+        <string>Max time per frame devoted to mainloop work queue (in milliseconds)</string>
+        <key>Persist</key>
+        <integer>1</integer>
+        <key>Type</key>
+        <string>F32</string>
+        <key>Value</key>
+        <real>0.1</real>
+    </map>
     <key>QueueInventoryFetchTimeout</key>
     <map>
         <key>Comment</key>
@@ -6470,7 +6470,7 @@
     <key>MaxHeapSize</key>
     <map>
       <key>Comment</key>
-      <string>Maximum heap size (GB)</string>
+      <string>Maximum heap size on 32-bit builds (GB)</string>
       <key>Persist</key>
       <integer>1</integer>
       <key>Type</key>
@@ -6478,6 +6478,17 @@
       <key>Value</key>
       <real>1.6</real>
     </map>
+    <key>MaxHeapSize64</key>
+    <map>
+      <key>Comment</key>
+      <string>Maximum heap size on 64-bit builds (GB)</string>
+      <key>Persist</key>
+      <integer>1</integer>
+      <key>Type</key>
+      <string>F32</string>
+      <key>Value</key>
+      <real>16.0</real>
+    </map>
     <key>MaxPersistentNotifications</key>
     <map>
       <key>Comment</key>
@@ -7074,6 +7085,17 @@
       <key>Value</key>
       <integer>0</integer>
     </map>
+    <key>NonInteractive</key>
+    <map>
+      <key>Comment</key>
+      <string>Run in a semi-headless mode where only logging in and logging out needs to work.</string>
+      <key>Persist</key>
+      <integer>1</integer>
+      <key>Type</key>
+      <string>Boolean</string>
+      <key>Value</key>
+	  <integer>0</integer>
+    </map>
     <key>NonvisibleObjectsInMemoryTime</key>
     <map>
       <key>Comment</key>
@@ -8088,9 +8110,9 @@
     <string>Color4</string>
     <key>Value</key>
     <array>
-      <real>1.0</real>
-      <real>1.0</real>
-      <real>1.0</real>
+      <real>0.33</real>
+      <real>0.33</real>
+      <real>0.33</real>
       <real>1.0</real>
     </array>
   </map>
@@ -8693,28 +8715,6 @@
     </array>
   </map>
 
-    <key>RenderAlphaBatchFullbrights</key>
-    <map>
-      <key>Comment</key>
-      <string>Render fullbright alpha content more efficiently, but with possible visual differences from prev viewers.</string>
-      <key>Persist</key>
-      <integer>1</integer>
-      <key>Type</key>
-      <string>Boolean</string>
-      <key>Value</key>
-      <integer>0</integer>
-    </map>
-    <key>RenderAlphaBatchEmissives</key>
-    <map>
-      <key>Comment</key>
-      <string>Render emissive alpha content more efficiently, but with possible visual differences from prev viewers.</string>
-      <key>Persist</key>
-      <integer>1</integer>
-      <key>Type</key>
-      <string>Boolean</string>
-      <key>Value</key>
-      <integer>1</integer>
-    </map>
     <key>RenderAnisotropic</key>
     <map>
       <key>Comment</key>
@@ -8895,17 +8895,6 @@
       <key>Value</key>
       <real>1.0</real>
     </map>
-    <key>RenderAvatarVP</key>
-    <map>
-      <key>Comment</key>
-      <string>Use vertex programs to perform hardware skinning of avatar</string>
-      <key>Persist</key>
-      <integer>1</integer>
-      <key>Type</key>
-      <string>Boolean</string>
-      <key>Value</key>
-      <integer>1</integer>
-    </map>
   <key>RenderCompressTextures</key>
   <map>
     <key>Comment</key>
@@ -8917,7 +8906,7 @@
     <key>Value</key>
     <integer>0</integer>
   </map>
-    <key>RenderHiDPI</key>
+   <key>RenderHiDPI</key>
   <map>
     <key>Comment</key>
     <string>Enable support for HiDPI displays, like Retina (MacOS X ONLY, requires restart)</string>
@@ -9875,7 +9864,7 @@
     <key>Value</key>
     <real>2.2</real>
   </map>
-    <key>RenderGLCoreProfile</key>
+    <key>RenderGLContextCoreProfile</key>
     <map>
       <key>Comment</key>
       <string>Don't use a compatibility profile OpenGL context.  Requires restart.  Basic shaders MUST be enabled.</string>
@@ -9886,6 +9875,17 @@
       <key>Value</key>
       <integer>0</integer>
     </map>
+    <key>RenderGLMultiThreaded</key>
+    <map>
+      <key>Comment</key>
+      <string>Allow OpenGL to use multiple render contexts (reduces frame stutters from loading textures, doesn't play nice with Intel drivers).</string>
+      <key>Persist</key>
+      <integer>1</integer>
+      <key>Type</key>
+      <string>Boolean</string>
+      <key>Value</key>
+      <integer>0</integer>
+    </map>
     <key>RenderGlow</key>
     <map>
       <key>Comment</key>
@@ -10189,7 +10189,7 @@
       <key>Type</key>
       <string>S32</string>
       <key>Value</key>
-      <integer>512</integer>
+      <integer>4096</integer>
     </map>
     <key>RenderNameFadeDuration</key>
     <map>
@@ -11639,7 +11639,7 @@
             <string>Boolean</string>
         <key>Value</key>
             <integer>0</integer>
-    </map>
+    </map> 
     <key>NearbyListShowMap</key>
     <map>
       <key>Comment</key>
@@ -12755,6 +12755,20 @@
       <key>Value</key>
       <string />
     </map>
+    <key>ThreadPoolSizes</key>
+    <map>
+      <key>Comment</key>
+      <string>Map of size overrides for specific thread pools.</string>
+      <key>Persist</key>
+      <integer>1</integer>
+      <key>Type</key>
+      <string>LLSD</string>
+      <key>Value</key>
+      <map>
+        <key>General</key>
+        <integer>4</integer>
+      </map>
+    </map>
     <key>ThrottleBandwidthKBPS</key>
     <map>
       <key>Comment</key>
@@ -14197,17 +14211,6 @@
     <key>Value</key>
     <integer>1</integer>
   </map>
-  <key>RenderSynchronousOcclusion</key>
-  <map>
-    <key>Comment</key>
-    <string>Don't let occlusion queries get more than one frame behind (block until they complete).</string>
-    <key>Persist</key>
-    <integer>1</integer>
-    <key>Type</key>
-    <string>Boolean</string>
-    <key>Value</key>
-    <integer>1</integer>
-  </map>
     <key>RenderDelayVBUpdate</key>
     <map>
       <key>Comment</key>
@@ -16736,8 +16739,8 @@
       <key>Type</key>
       <string>Boolean</string>
       <key>Value</key>
-      <integer>1</integer>
-  </map>
+      <integer>1</integer>        
+    </map>
   <key>360CaptureUseInterestListCap</key>
   <map>
     <key>Comment</key>
@@ -16817,14 +16820,25 @@
   </map>
   <key>ResetUIScaleOnFirstRun</key>
   <map>
-  <key>Comment</key>
-  <string>Resets the UI scale factor on first run due to changed display scaling behavior</string>
-  <key>Persist</key>
-  <integer>1</integer>
-  <key>Type</key>
-  <string>Boolean</string>
-  <key>Value</key>
-  <integer>1</integer>
+    <key>Comment</key>
+    <string>Resets the UI scale factor on first run due to changed display scaling behavior</string>
+    <key>Persist</key>
+    <integer>1</integer>
+    <key>Type</key>
+    <string>Boolean</string>
+    <key>Value</key>
+    <integer>1</integer>        
+  </map>
+  <key>UpdateAppWindowTitleBar</key>
+  <map>
+    <key>Comment</key>
+    <string>Updates the application window title bar with brief information about user/location</string>
+    <key>Persist</key>
+    <integer>1</integer>
+    <key>Type</key>
+    <string>Boolean</string>
+    <key>Value</key>
+    <integer>0</integer>
   </map>
   <key>MFAHash</key>
   <map>
diff --git a/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl b/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl
index dc484317e9..02b2daf0ac 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl
@@ -56,6 +56,10 @@ VARYING vec3 vary_norm;
 VARYING vec4 vertex_color; //vertex color should be treated as sRGB
 #endif
 
+#ifdef HAS_ALPHA_MASK
+uniform float minimum_alpha;
+#endif
+
 uniform mat4 proj_mat;
 uniform mat4 inv_proj;
 uniform vec2 screen_res;
@@ -86,6 +90,14 @@ float getAmbientClamp();
 
 vec3 calcPointLightOrSpotLight(vec3 light_col, vec3 diffuse, vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float fa, float is_pointlight, float ambiance)
 {
+    // SL-14895 inverted attenuation work-around
+    // This routine is tweaked to match deferred lighting, but previously used an inverted la value. To reconstruct
+    // that previous value now that the inversion is corrected, we reverse the calculations in LLPipeline::setupHWLights()
+    // to recover the `adjusted_radius` value previously being sent as la.
+    float falloff_factor = (12.0 * fa) - 9.0;
+    float inverted_la = falloff_factor / la;
+    // Yes, it makes me want to cry as well. DJH
+    
     vec3 col = vec3(0);
 
 	//get light vector
@@ -95,7 +107,7 @@ vec3 calcPointLightOrSpotLight(vec3 light_col, vec3 diffuse, vec3 v, vec3 n, vec
 	float dist = length(lv);
 	float da = 1.0;
 
-    /*if (dist > la)
+    /*if (dist > inverted_la)
     {
         return col;
     }
@@ -113,9 +125,9 @@ vec3 calcPointLightOrSpotLight(vec3 light_col, vec3 diffuse, vec3 v, vec3 n, vec
         return col;
     }*/
 
-	if (dist > 0.0 && la > 0.0)
+	if (dist > 0.0 && inverted_la > 0.0)
 	{
-        dist /= la;
+        dist /= inverted_la;
 
 		//normalize light vector
 		lv = normalize(lv);
@@ -183,7 +195,6 @@ void main()
 #endif
 
     vec4 diffuse_srgb = diffuse_tap;
-    vec4 diffuse_linear = vec4(srgb_to_linear(diffuse_srgb.rgb), diffuse_srgb.a);
 
 #ifdef FOR_IMPOSTOR
     vec4 color;
@@ -192,25 +203,37 @@ void main()
 
     float final_alpha = diffuse_srgb.a * vertex_color.a;
     diffuse_srgb.rgb *= vertex_color.rgb;
-    diffuse_linear.rgb = srgb_to_linear(diffuse_srgb.rgb); 
     
     // Insure we don't pollute depth with invis pixels in impostor rendering
     //
-    if (final_alpha < 0.01)
+    if (final_alpha < minimum_alpha)
     {
         discard;
     }
-#else
-    
+
+    color.rgb = diffuse_srgb.rgb;
+    color.a = final_alpha;
+
+#else // FOR_IMPOSTOR
+
+    vec4 diffuse_linear = vec4(srgb_to_linear(diffuse_srgb.rgb), diffuse_srgb.a);
+
     vec3 light_dir = (sun_up_factor == 1) ? sun_dir: moon_dir;
 
     float final_alpha = diffuse_linear.a;
 
 #ifdef USE_VERTEX_COLOR
     final_alpha *= vertex_color.a;
+
+    if (final_alpha < minimum_alpha)
+    { // TODO: figure out how to get invisible faces out of 
+        // render batches without breaking glow
+        discard;
+    }
+
     diffuse_srgb.rgb *= vertex_color.rgb;
     diffuse_linear.rgb = srgb_to_linear(diffuse_srgb.rgb);
-#endif
+#endif // USE_VERTEX_COLOR
 
     vec3 sunlit;
     vec3 amblit;
@@ -242,13 +265,13 @@ void main()
 #if !defined(AMBIENT_KILL)
     color.rgb = amblit;
     color.rgb *= ambient;
-#endif
+#endif // !defined(AMBIENT_KILL)
 
 vec3 post_ambient = color.rgb;
 
 #if !defined(SUNLIGHT_KILL)
     color.rgb += sun_contrib;
-#endif
+#endif // !defined(SUNLIGHT_KILL)
 
 vec3 post_sunlight = color.rgb;
 
@@ -280,7 +303,7 @@ vec3 post_atmo = color.rgb;
     // sum local light contrib in linear colorspace
 #if !defined(LOCAL_LIGHT_KILL)
     color.rgb += light.rgb;
-#endif
+#endif // !defined(LOCAL_LIGHT_KILL)
     // back to sRGB as we're going directly to the final RT post-deferred gamma correction
     color.rgb = linear_to_srgb(color.rgb);
 
@@ -299,8 +322,8 @@ vec3 post_atmo = color.rgb;
     color = applyWaterFogView(pos.xyz, color);
 #endif // WATER_FOG
 
-#endif
-    
+#endif // #else // FOR_IMPOSTOR
+
     frag_color = color;
 }
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/alphaV.glsl b/indra/newview/app_settings/shaders/class1/deferred/alphaV.glsl
index 506118d381..6a93bc2fd2 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/alphaV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/alphaV.glsl
@@ -105,9 +105,9 @@ void main()
 	vec4 vert = vec4(position.xyz, 1.0);
 	pos = (modelview_matrix * vert);
 	gl_Position = modelview_projection_matrix*vec4(position.xyz, 1.0);
-#endif
+#endif //IS_AVATAR_SKIN
 	
-#endif
+#endif // HAS_SKIN
 
 #ifdef USE_INDEXED_TEX
 	passTextureIndex();
diff --git a/indra/newview/app_settings/shaders/class1/deferred/avatarAlphaShadowF.glsl b/indra/newview/app_settings/shaders/class1/deferred/avatarAlphaShadowF.glsl
index ef49b6f4e8..1b16e4eb09 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/avatarAlphaShadowF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/avatarAlphaShadowF.glsl
@@ -40,11 +40,11 @@ VARYING vec4 post_pos;
 VARYING float pos_w;
 VARYING float target_pos_x;
 VARYING vec2 vary_texcoord0;
-VARYING vec4 vertex_color;
+uniform vec4 color;
 
 void main() 
 {
-	float alpha = texture2D(diffuseMap, vary_texcoord0.xy).a * vertex_color.a;
+	float alpha = texture2D(diffuseMap, vary_texcoord0.xy).a * color.a;
 
 	if (alpha < 0.05) // treat as totally transparent
 	{
diff --git a/indra/newview/app_settings/shaders/class1/deferred/avatarAlphaShadowV.glsl b/indra/newview/app_settings/shaders/class1/deferred/avatarAlphaShadowV.glsl
index d1d7ece6fe..1c5b142ebd 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/avatarAlphaShadowV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/avatarAlphaShadowV.glsl
@@ -30,7 +30,6 @@ uniform float shadow_target_width;
 mat4 getSkinnedTransform();
 void passTextureIndex();
 
-ATTRIBUTE vec4 diffuse_color;
 ATTRIBUTE vec3 position;
 ATTRIBUTE vec3 normal;
 ATTRIBUTE vec2 texcoord0;
@@ -41,7 +40,6 @@ VARYING vec4 post_pos;
 VARYING float pos_w;
 VARYING float target_pos_x;
 VARYING vec2 vary_texcoord0;
-VARYING vec4 vertex_color;
 
 void main()
 {
@@ -68,7 +66,6 @@ void main()
 
 	vary_texcoord0 = (texture_matrix0 * vec4(texcoord0,0,1)).xy;
 
-	vertex_color = diffuse_color;
 #if !DEPTH_CLAMP
 	post_pos = pos;
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/bumpSkinnedV.glsl b/indra/newview/app_settings/shaders/class1/deferred/bumpSkinnedV.glsl
deleted file mode 100644
index 10144f3e16..0000000000
--- a/indra/newview/app_settings/shaders/class1/deferred/bumpSkinnedV.glsl
+++ /dev/null
@@ -1,64 +0,0 @@
-/** 
- * @file bumpV.glsl
- * $LicenseInfo:firstyear=2007&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2007, Linden Research, Inc.
- * 
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- * 
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- * 
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- * 
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
- * $/LicenseInfo$
- */
-
-uniform mat4 projection_matrix;
-uniform mat4 texture_matrix0;
-uniform mat4 modelview_matrix;
-
-ATTRIBUTE vec3 position;
-ATTRIBUTE vec4 diffuse_color;
-ATTRIBUTE vec3 normal;
-ATTRIBUTE vec2 texcoord0;
-ATTRIBUTE vec4 tangent;
-
-VARYING vec3 vary_mat0;
-VARYING vec3 vary_mat1;
-VARYING vec3 vary_mat2;
-VARYING vec4 vertex_color;
-VARYING vec2 vary_texcoord0;
-
-mat4 getObjectSkinnedTransform();
-
-void main()
-{
-	vary_texcoord0 = (texture_matrix0 * vec4(texcoord0,0,1)).xy;
-	
-	mat4 mat = getObjectSkinnedTransform();
-	
-	mat = modelview_matrix * mat;
-	
-	vec3 pos = (mat*vec4(position.xyz, 1.0)).xyz;
-	
-	
-	vec3 n = normalize((mat * vec4(normal.xyz+position.xyz, 1.0)).xyz-pos.xyz);
-	vec3 t = normalize((mat * vec4(tangent.xyz+position.xyz, 1.0)).xyz-pos.xyz);
-	vec3 b = cross(n, t) * tangent.w;
-	
-	vary_mat0 = vec3(t.x, b.x, n.x);
-	vary_mat1 = vec3(t.y, b.y, n.y);
-	vary_mat2 = vec3(t.z, b.z, n.z);
-	
-	gl_Position = projection_matrix*vec4(pos, 1.0);
-	vertex_color = diffuse_color;
-}
diff --git a/indra/newview/app_settings/shaders/class1/deferred/bumpV.glsl b/indra/newview/app_settings/shaders/class1/deferred/bumpV.glsl
index 9f9749394e..d90891aa20 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/bumpV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/bumpV.glsl
@@ -39,16 +39,32 @@ VARYING vec3 vary_mat2;
 VARYING vec4 vertex_color;
 VARYING vec2 vary_texcoord0;
 
+#ifdef HAS_SKIN
+mat4 getObjectSkinnedTransform();
+uniform mat4 projection_matrix;
+uniform mat4 modelview_matrix;
+#endif
+
 void main()
 {
 	//transform vertex
+#ifdef HAS_SKIN
+    mat4 mat = getObjectSkinnedTransform();
+	mat = modelview_matrix * mat;
+	vec3 pos = (mat*vec4(position.xyz, 1.0)).xyz;
+	gl_Position = projection_matrix*vec4(pos, 1.0);
+
+	vec3 n = normalize((mat * vec4(normal.xyz+position.xyz, 1.0)).xyz-pos.xyz);
+	vec3 t = normalize((mat * vec4(tangent.xyz+position.xyz, 1.0)).xyz-pos.xyz);
+#else
 	gl_Position = modelview_projection_matrix * vec4(position.xyz, 1.0); 
-	vary_texcoord0 = (texture_matrix0 * vec4(texcoord0,0,1)).xy;
-	
 	vec3 n = normalize(normal_matrix * normal);
 	vec3 t = normalize(normal_matrix * tangent.xyz);
+#endif
+
 	vec3 b = cross(n, t) * tangent.w;
-	
+	vary_texcoord0 = (texture_matrix0 * vec4(texcoord0,0,1)).xy;
+
 	vary_mat0 = vec3(t.x, b.x, n.x);
 	vary_mat1 = vec3(t.y, b.y, n.y);
 	vary_mat2 = vec3(t.z, b.z, n.z);
diff --git a/indra/newview/app_settings/shaders/class1/deferred/diffuseV.glsl b/indra/newview/app_settings/shaders/class1/deferred/diffuseV.glsl
index 3c026796c8..d64bcefade 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/diffuseV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/diffuseV.glsl
@@ -39,14 +39,28 @@ VARYING vec2 vary_texcoord0;
 
 void passTextureIndex();
 
+#ifdef HAS_SKIN
+mat4 getObjectSkinnedTransform();
+uniform mat4 projection_matrix;
+uniform mat4 modelview_matrix;
+#endif
+
 void main()
 {
-	//transform vertex
+#ifdef HAS_SKIN
+    mat4 mat = getObjectSkinnedTransform();
+    mat = modelview_matrix * mat;
+    vec4 pos = mat * vec4(position.xyz, 1.0);
+    gl_Position = projection_matrix * pos;
+    vary_normal = normalize((mat*vec4(normal.xyz+position.xyz,1.0)).xyz-pos.xyz);
+#else
 	gl_Position = modelview_projection_matrix * vec4(position.xyz, 1.0); 
+    vary_normal = normalize(normal_matrix * normal);
+#endif
+	
 	vary_texcoord0 = (texture_matrix0 * vec4(texcoord0,0,1)).xy;
 	
 	passTextureIndex();
-	vary_normal = normalize(normal_matrix * normal);
-	
+
 	vertex_color = diffuse_color;
 }
diff --git a/indra/newview/app_settings/shaders/class1/deferred/emissiveV.glsl b/indra/newview/app_settings/shaders/class1/deferred/emissiveV.glsl
index 5e4f08b017..08b1147ab0 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/emissiveV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/emissiveV.glsl
@@ -40,15 +40,26 @@ vec3 atmosAffectDirectionalLight(float lightIntensity);
 VARYING vec4 vertex_color;
 VARYING vec2 vary_texcoord0;
 
+#ifdef HAS_SKIN
+mat4 getObjectSkinnedTransform();
+uniform mat4 projection_matrix;
+#endif
 
 void main()
 {
 	//transform vertex
-	vec4 vert = vec4(position.xyz, 1.0);
-	vec4 pos = (modelview_matrix * vert);
 	passTextureIndex();
 
-	gl_Position = modelview_projection_matrix*vec4(position.xyz, 1.0);
+#ifdef HAS_SKIN
+    mat4 mat = getObjectSkinnedTransform();
+    mat = modelview_matrix * mat;
+
+    vec4 pos = mat * vec4(position.xyz, 1.0);
+    gl_Position = projection_matrix * pos;
+#else
+	gl_Position = modelview_projection_matrix * vec4(position.xyz, 1.0);
+    vec4 pos = (modelview_matrix * vec4(position.xyz, 1.0));
+#endif
 	
 	vary_texcoord0 = (texture_matrix0 * vec4(texcoord0,0,1)).xy;
 	
diff --git a/indra/newview/app_settings/shaders/class1/deferred/fullbrightShinyV.glsl b/indra/newview/app_settings/shaders/class1/deferred/fullbrightShinyV.glsl
index 8f6eb79668..3bd6b693fa 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/fullbrightShinyV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/fullbrightShinyV.glsl
@@ -47,19 +47,32 @@ VARYING vec2 vary_texcoord0;
 VARYING vec3 vary_texcoord1;
 VARYING vec4 vary_position;
 
+#ifdef HAS_SKIN
+mat4 getObjectSkinnedTransform();
+uniform mat4 projection_matrix;
+#endif
+
 void main()
 {
 	//transform vertex
 	vec4 vert = vec4(position.xyz,1.0);
 	passTextureIndex();
+
+#ifdef HAS_SKIN
+    mat4 mat = getObjectSkinnedTransform();
+    mat = modelview_matrix * mat;
+    vec4 pos = mat * vert;
+    vary_position = gl_Position = projection_matrix * pos;
+	vec3 norm = normalize((mat*vec4(normal.xyz+position.xyz,1.0)).xyz-pos.xyz);
+#else
 	vec4 pos = (modelview_matrix * vert);
 	vary_position = gl_Position = modelview_projection_matrix*vec4(position.xyz, 1.0);
-	
 	vec3 norm = normalize(normal_matrix * normal);
+#endif
 	vec3 ref = reflect(pos.xyz, -norm);
 
 	vary_texcoord0 = (texture_matrix0 * vec4(texcoord0,0,1)).xy;
-	vary_texcoord1 = (texture_matrix1*vec4(ref,1.0)).xyz;
+	vary_texcoord1 = (texture_matrix1 * vec4(ref,1.0)).xyz;
 
 	calcAtmospherics(pos.xyz);
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/fullbrightV.glsl b/indra/newview/app_settings/shaders/class1/deferred/fullbrightV.glsl
index bdf3546aa5..e71636f2c9 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/fullbrightV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/fullbrightV.glsl
@@ -45,15 +45,26 @@ VARYING vec3 vary_position;
 VARYING vec4 vertex_color;
 VARYING vec2 vary_texcoord0;
 
+#ifdef HAS_SKIN
+mat4 getObjectSkinnedTransform();
+uniform mat4 projection_matrix;
+#endif
 
 void main()
 {
 	//transform vertex
 	vec4 vert = vec4(position.xyz, 1.0);
-	vec4 pos = (modelview_matrix * vert);
 	passTextureIndex();
 
+#ifdef HAS_SKIN
+    mat4 mat = getObjectSkinnedTransform();
+    mat = modelview_matrix * mat;
+    vec4 pos = mat * vert;
+    gl_Position = projection_matrix * pos;
+#else
+	vec4 pos = (modelview_matrix * vert);
 	gl_Position = modelview_projection_matrix*vec4(position.xyz, 1.0);
+#endif
 
 #ifdef WATER_FOG
 	vary_position = pos.xyz;
diff --git a/indra/newview/app_settings/shaders/class1/deferred/impostorF.glsl b/indra/newview/app_settings/shaders/class1/deferred/impostorF.glsl
index eb6e56e718..a58cc3d12d 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/impostorF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/impostorF.glsl
@@ -54,8 +54,7 @@ void main()
 	vec4 norm = texture2D(normalMap,   vary_texcoord0.xy);
 	vec4 spec = texture2D(specularMap, vary_texcoord0.xy);
 
-	col.rgb = linear_to_srgb(col.rgb);
 	frag_data[0] = vec4(col.rgb, 0.0);
 	frag_data[1] = spec;
-	frag_data[2] = vec4(norm.xy,0,0);
+	frag_data[2] = norm;
 }
diff --git a/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl b/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl
index e1f7031af6..02d83925ea 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl
@@ -91,6 +91,14 @@ float getAmbientClamp();
 
 vec3 calcPointLightOrSpotLight(vec3 light_col, vec3 npos, vec3 diffuse, vec4 spec, vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float fa, float is_pointlight, inout float glare, float ambiance)
 {
+    // SL-14895 inverted attenuation work-around
+    // This routine is tweaked to match deferred lighting, but previously used an inverted la value. To reconstruct
+    // that previous value now that the inversion is corrected, we reverse the calculations in LLPipeline::setupHWLights()
+    // to recover the `adjusted_radius` value previously being sent as la.
+    float falloff_factor = (12.0 * fa) - 9.0;
+    float inverted_la = falloff_factor / la;
+    // Yes, it makes me want to cry as well. DJH
+    
     vec3 col = vec3(0);
 
     //get light vector
@@ -100,9 +108,9 @@ vec3 calcPointLightOrSpotLight(vec3 light_col, vec3 npos, vec3 diffuse, vec4 spe
     float dist = length(lv);
     float da = 1.0;
 
-    dist /= la;
+    dist /= inverted_la;
 
-    if (dist > 0.0 && la > 0.0)
+    if (dist > 0.0 && inverted_la > 0.0)
     {
         //normalize light vector
         lv = normalize(lv);
diff --git a/indra/newview/app_settings/shaders/class1/deferred/normgenF.glsl b/indra/newview/app_settings/shaders/class1/deferred/normgenF.glsl
index d0c06cd51f..7a941674b8 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/normgenF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/normgenF.glsl
@@ -43,18 +43,18 @@ uniform float norm_scale;
 
 void main()
 {
-	float alpha = texture2D(alphaMap, vary_texcoord0).a;
+	float c = texture2D(alphaMap, vary_texcoord0).r;
 
-	vec3 right = vec3(norm_scale, 0, (texture2D(alphaMap, vary_texcoord0+vec2(stepX, 0)).a-alpha)*255);
-	vec3 left = vec3(-norm_scale, 0, (texture2D(alphaMap, vary_texcoord0-vec2(stepX, 0)).a-alpha)*255);
-	vec3 up = vec3(0, -norm_scale, (texture2D(alphaMap, vary_texcoord0-vec2(0, stepY)).a-alpha)*255);
-	vec3 down = vec3(0, norm_scale, (texture2D(alphaMap, vary_texcoord0+vec2(0, stepY)).a-alpha)*255);
+	vec3 right = vec3(norm_scale, 0, (texture2D(alphaMap, vary_texcoord0+vec2(stepX, 0)).r-c)*255);
+	vec3 left = vec3(-norm_scale, 0, (texture2D(alphaMap, vary_texcoord0-vec2(stepX, 0)).r-c)*255);
+	vec3 up = vec3(0, -norm_scale, (texture2D(alphaMap, vary_texcoord0-vec2(0, stepY)).r-c)*255);
+	vec3 down = vec3(0, norm_scale, (texture2D(alphaMap, vary_texcoord0+vec2(0, stepY)).r-c)*255);
 	
 	vec3 norm = cross(right, down) + cross(down, left) + cross(left,up) + cross(up, right);
 	
 	norm = normalize(norm);
 	norm *= 0.5;
 	norm += 0.5;	
-	
-	frag_color = vec4(norm, alpha);
+
+	frag_color = vec4(norm, c);
 }
diff --git a/indra/newview/app_settings/shaders/class1/deferred/diffuseSkinnedV.glsl b/indra/newview/app_settings/shaders/class1/deferred/shadowAlphaMaskSkinnedV.glsl
index 2487110624..2b17aea75a 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/diffuseSkinnedV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/shadowAlphaMaskSkinnedV.glsl
@@ -1,8 +1,9 @@
 /** 
- * @file diffuseSkinnedV.glsl
- * $LicenseInfo:firstyear=2007&license=viewerlgpl$
+ * @file shadowAlphaMaskSkinnedV.glsl
+ *
+ * $LicenseInfo:firstyear=2021&license=viewerlgpl$
  * Second Life Viewer Source Code
- * Copyright (C) 2007, Linden Research, Inc.
+ * Copyright (C) 2011, Linden Research, Inc.
  * 
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
@@ -22,38 +23,48 @@
  * $/LicenseInfo$
  */
 
-uniform mat4 projection_matrix;
 uniform mat4 texture_matrix0;
 uniform mat4 modelview_matrix;
+uniform mat4 projection_matrix;
+uniform float shadow_target_width;
 
 ATTRIBUTE vec3 position;
 ATTRIBUTE vec4 diffuse_color;
-ATTRIBUTE vec3 normal;
 ATTRIBUTE vec2 texcoord0;
 
-VARYING vec3 vary_normal;
+VARYING vec4 post_pos;
+VARYING float target_pos_x;
 VARYING vec4 vertex_color;
 VARYING vec2 vary_texcoord0;
 
+void passTextureIndex();
+
 mat4 getObjectSkinnedTransform();
 
 void main()
 {
-	vary_texcoord0 = (texture_matrix0 * vec4(texcoord0,0,1)).xy;
-		
+	//transform vertex
+	vec4 pre_pos = vec4(position.xyz, 1.0);
+
 	mat4 mat = getObjectSkinnedTransform();
 	
 	mat = modelview_matrix * mat;
-	vec3 pos = (mat*vec4(position.xyz, 1.0)).xyz;
 	
-	vec4 norm = vec4(position.xyz, 1.0);
-	norm.xyz += normal.xyz;
-	norm.xyz = (mat*norm).xyz;
-	norm.xyz = normalize(norm.xyz-pos.xyz);
+	vec4 pos = mat * pre_pos;
+	pos = projection_matrix * pos;
 
-	vary_normal = norm.xyz;
-			
-	vertex_color = diffuse_color;
+	target_pos_x = 0.5 * (shadow_target_width - 1.0) * pos.x;
+
+	post_pos = pos;
+
+#if !defined(DEPTH_CLAMP)
+	gl_Position = vec4(pos.x, pos.y, pos.w*0.5, pos.w);
+#else
+	gl_Position = pos;
+#endif
 	
-	gl_Position = projection_matrix*vec4(pos, 1.0);
+	passTextureIndex();
+
+	vary_texcoord0 = (texture_matrix0 * vec4(texcoord0,0,1)).xy;
+	vertex_color = diffuse_color;
 }
diff --git a/indra/newview/app_settings/shaders/class1/objects/simpleSkinnedV.glsl b/indra/newview/app_settings/shaders/class1/deferred/shadowSkinnedV.glsl
index df31b5a79f..bdf8e0854d 100644
--- a/indra/newview/app_settings/shaders/class1/objects/simpleSkinnedV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/shadowSkinnedV.glsl
@@ -1,6 +1,7 @@
 /** 
- * @file simpleSkinnedV.glsl
- * $LicenseInfo:firstyear=2007&license=viewerlgpl$
+ * @file shadowSkinnedV.glsl
+ *
+ * $LicenseInfo:firstyear=2021&license=viewerlgpl$
  * Second Life Viewer Source Code
  * Copyright (C) 2007, Linden Research, Inc.
  * 
@@ -22,44 +23,30 @@
  * $/LicenseInfo$
  */
 
-uniform mat4 texture_matrix0;
 uniform mat4 modelview_matrix;
 uniform mat4 projection_matrix;
 
 ATTRIBUTE vec3 position;
-ATTRIBUTE vec3 normal;
-ATTRIBUTE vec4 diffuse_color;
-ATTRIBUTE vec2 texcoord0;
 
-VARYING vec4 vertex_color;
-VARYING vec2 vary_texcoord0;
+VARYING vec4 post_pos;
 
-
-vec4 calcLighting(vec3 pos, vec3 norm, vec4 color);
-void calcAtmospherics(vec3 inPositionEye);
 mat4 getObjectSkinnedTransform();
 
 void main()
 {
 	//transform vertex
-	vary_texcoord0 = (texture_matrix0 * vec4(texcoord0,0,1)).xy;
-	
 	mat4 mat = getObjectSkinnedTransform();
 	
 	mat = modelview_matrix * mat;
-	vec3 pos = (mat*vec4(position.xyz, 1.0)).xyz;
-	
-	vec4 norm = vec4(position.xyz, 1.0);
-	norm.xyz += normal.xyz;
-	norm.xyz = (mat*norm).xyz;
-	norm.xyz = normalize(norm.xyz-pos.xyz);
-		
-	calcAtmospherics(pos.xyz);
+	vec4 pos = (mat*vec4(position.xyz, 1.0));
+	pos = projection_matrix*pos;
+
+	post_pos = pos;
+
+#if !defined(DEPTH_CLAMP)
+	gl_Position = vec4(pos.x, pos.y, pos.w*0.5, pos.w);
+#else
+	gl_Position = pos;
+#endif
 
-	vec4 color = calcLighting(pos.xyz, norm.xyz, diffuse_color);
-	vertex_color = color;
-	
-	gl_Position = projection_matrix*vec4(pos, 1.0);
-	
-	
 }
diff --git a/indra/newview/app_settings/shaders/class1/objects/emissiveSkinnedV.glsl b/indra/newview/app_settings/shaders/class1/deferred/treeShadowSkinnedV.glsl
index 9064904191..d9ca6d3a46 100644
--- a/indra/newview/app_settings/shaders/class1/objects/emissiveSkinnedV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/treeShadowSkinnedV.glsl
@@ -1,7 +1,7 @@
 /** 
- * @file emissiveSkinnedV.glsl
+ * @file treeShadowV.glsl
  *
- * $LicenseInfo:firstyear=2007&license=viewerlgpl$
+  * $LicenseInfo:firstyear=2007&license=viewerlgpl$
  * Second Life Viewer Source Code
  * Copyright (C) 2007, Linden Research, Inc.
  * 
@@ -23,34 +23,31 @@
  * $/LicenseInfo$
  */
 
-uniform mat4 projection_matrix;
 uniform mat4 texture_matrix0;
 uniform mat4 modelview_matrix;
-
+uniform mat4 projection_matrix;
+ 
 ATTRIBUTE vec3 position;
-ATTRIBUTE vec4 emissive;
 ATTRIBUTE vec2 texcoord0;
 
-VARYING vec4 vertex_color;
+VARYING vec4 post_pos;
 VARYING vec2 vary_texcoord0;
 
-
-void calcAtmospherics(vec3 inPositionEye);
 mat4 getObjectSkinnedTransform();
 
 void main()
 {
 	//transform vertex
-	vary_texcoord0 = (texture_matrix0 * vec4(texcoord0,0,1)).xy;
-	
-	mat4 mat = getObjectSkinnedTransform();
+    mat4 mat = getObjectSkinnedTransform();
 	
 	mat = modelview_matrix * mat;
-	vec3 pos = (mat*vec4(position.xyz, 1.0)).xyz;
 	
-	vertex_color = emissive;
-
-	calcAtmospherics(pos.xyz);
-
-	gl_Position = projection_matrix*vec4(pos, 1.0);
+	vec4 pos = mat * vec4(position.xyz, 1.0);
+    pos = projection_matrix * pos;
+	
+	post_pos = pos;
+	
+	gl_Position = vec4(pos.x, pos.y, pos.w*0.5, pos.w);
+	
+	vary_texcoord0 = (texture_matrix0 * vec4(texcoord0,0,1)).xy;
 }
diff --git a/indra/newview/app_settings/shaders/class1/interface/debugV.glsl b/indra/newview/app_settings/shaders/class1/interface/debugV.glsl
index f4d704577a..153998f1d5 100644
--- a/indra/newview/app_settings/shaders/class1/interface/debugV.glsl
+++ b/indra/newview/app_settings/shaders/class1/interface/debugV.glsl
@@ -27,8 +27,21 @@ uniform mat4 modelview_projection_matrix;
 
 ATTRIBUTE vec3 position;
 
+#ifdef HAS_SKIN
+mat4 getObjectSkinnedTransform();
+uniform mat4 projection_matrix;
+uniform mat4 modelview_matrix;
+#endif
+
 void main()
 {
+#ifdef HAS_SKIN
+    mat4 mat = getObjectSkinnedTransform();
+    mat = modelview_matrix * mat;
+    vec4 pos = mat * vec4(position.xyz,1.0);
+    gl_Position = projection_matrix * pos;
+#else
 	gl_Position = modelview_projection_matrix * vec4(position.xyz, 1.0);
+#endif
 }
 
diff --git a/indra/newview/app_settings/shaders/class1/interface/highlightV.glsl b/indra/newview/app_settings/shaders/class1/interface/highlightV.glsl
index 9bf7b60eb7..0b362cf46c 100644
--- a/indra/newview/app_settings/shaders/class1/interface/highlightV.glsl
+++ b/indra/newview/app_settings/shaders/class1/interface/highlightV.glsl
@@ -31,10 +31,23 @@ ATTRIBUTE vec2 texcoord0;
 
 VARYING vec2 vary_texcoord0;
 
+#ifdef HAS_SKIN
+mat4 getObjectSkinnedTransform();
+uniform mat4 projection_matrix;
+uniform mat4 modelview_matrix;
+#endif
+
 void main()
 {
 	//transform vertex
+#ifdef HAS_SKIN
+    mat4 mat = getObjectSkinnedTransform();
+    mat = modelview_matrix * mat;
+    vec4 pos = mat * vec4(position.xyz,1.0);
+    gl_Position = projection_matrix * pos;
+#else
 	gl_Position = modelview_projection_matrix * vec4(position.xyz, 1.0);
+#endif
 	vary_texcoord0 = (texture_matrix0 * vec4(texcoord0,0,1)).xy;
 }
 
diff --git a/indra/newview/app_settings/shaders/class1/objects/fullbrightSkinnedV.glsl b/indra/newview/app_settings/shaders/class1/interface/occlusionSkinnedV.glsl
index eff75435a9..7305065a05 100644
--- a/indra/newview/app_settings/shaders/class1/objects/fullbrightSkinnedV.glsl
+++ b/indra/newview/app_settings/shaders/class1/interface/occlusionSkinnedV.glsl
@@ -1,6 +1,7 @@
 /** 
- * @file fullbrightSkinnedV.glsl
- * $LicenseInfo:firstyear=2007&license=viewerlgpl$
+ * @file occlusionSkinnedV.glsl
+ *
+ * $LicenseInfo:firstyear=2021&license=viewerlgpl$
  * Second Life Viewer Source Code
  * Copyright (C) 2007, Linden Research, Inc.
  * 
@@ -23,35 +24,17 @@
  */
 
 uniform mat4 projection_matrix;
-uniform mat4 texture_matrix0;
 uniform mat4 modelview_matrix;
 
 ATTRIBUTE vec3 position;
-ATTRIBUTE vec4 diffuse_color;
-ATTRIBUTE vec2 texcoord0;
 
-void calcAtmospherics(vec3 inPositionEye);
 mat4 getObjectSkinnedTransform();
 
-VARYING vec4 vertex_color;
-VARYING vec2 vary_texcoord0;
-
-
 void main()
 {
-	//transform vertex
-	vary_texcoord0 = (texture_matrix0 * vec4(texcoord0,0,1)).xy;
-	
 	mat4 mat = getObjectSkinnedTransform();
-	
 	mat = modelview_matrix * mat;
 	vec3 pos = (mat*vec4(position.xyz, 1.0)).xyz;
-	
-	calcAtmospherics(pos.xyz);
-
-	vertex_color = diffuse_color;
-	
 	gl_Position = projection_matrix*vec4(pos, 1.0);
-		
-	
 }
+
diff --git a/indra/newview/app_settings/shaders/class1/lighting/lightFullbrightAlphaMaskF.glsl b/indra/newview/app_settings/shaders/class1/lighting/lightFullbrightAlphaMaskF.glsl
index 1855cfceeb..ad2170bbd3 100644
--- a/indra/newview/app_settings/shaders/class1/lighting/lightFullbrightAlphaMaskF.glsl
+++ b/indra/newview/app_settings/shaders/class1/lighting/lightFullbrightAlphaMaskF.glsl
@@ -50,7 +50,7 @@ void fullbright_lighting()
 		discard;
 	}
 
-	color.rgb *= vertex_color.rgb;
+	color *= vertex_color;
 
 	color.rgb = pow(color.rgb, vec3(texture_gamma));
 
diff --git a/indra/newview/app_settings/shaders/class1/lighting/lightFullbrightF.glsl b/indra/newview/app_settings/shaders/class1/lighting/lightFullbrightF.glsl
index 5fcdf3107c..89be8195f0 100644
--- a/indra/newview/app_settings/shaders/class1/lighting/lightFullbrightF.glsl
+++ b/indra/newview/app_settings/shaders/class1/lighting/lightFullbrightF.glsl
@@ -56,5 +56,6 @@ void fullbright_lighting()
 	color.rgb = pow(color.rgb, vec3(1.0/texture_gamma));
 
 	frag_color = color;
+
 }
 
diff --git a/indra/newview/app_settings/shaders/class1/objects/bumpV.glsl b/indra/newview/app_settings/shaders/class1/objects/bumpV.glsl
index a7738087dc..ee9970bc70 100644
--- a/indra/newview/app_settings/shaders/class1/objects/bumpV.glsl
+++ b/indra/newview/app_settings/shaders/class1/objects/bumpV.glsl
@@ -33,10 +33,23 @@ ATTRIBUTE vec2 texcoord1;
 VARYING vec2 vary_texcoord0;
 VARYING vec2 vary_texcoord1;
 
+#ifdef HAS_SKIN
+mat4 getObjectSkinnedTransform();
+uniform mat4 projection_matrix;
+uniform mat4 modelview_matrix;
+#endif
+
 void main()
 {
 	//transform vertex
+#ifdef HAS_SKIN
+    mat4 mat = getObjectSkinnedTransform();
+    mat = modelview_matrix * mat;
+    vec4 pos = mat * vec4(position.xyz, 1.0);
+    gl_Position = projection_matrix * pos;
+#else
 	gl_Position = modelview_projection_matrix*vec4(position.xyz, 1.0);
+#endif
 	vary_texcoord0 = (texture_matrix0 * vec4(texcoord0,0,1)).xy;
 	vary_texcoord1 = (texture_matrix0 * vec4(texcoord1,0,1)).xy;
 }
diff --git a/indra/newview/app_settings/shaders/class1/objects/emissiveV.glsl b/indra/newview/app_settings/shaders/class1/objects/emissiveV.glsl
index e984deb0c8..d762239e51 100644
--- a/indra/newview/app_settings/shaders/class1/objects/emissiveV.glsl
+++ b/indra/newview/app_settings/shaders/class1/objects/emissiveV.glsl
@@ -37,20 +37,30 @@ VARYING vec2 vary_texcoord0;
 
 void calcAtmospherics(vec3 inPositionEye);
 
-
-
+#ifdef HAS_SKIN
+mat4 getObjectSkinnedTransform();
+uniform mat4 projection_matrix;
+#endif
 
 void main()
 {
 	//transform vertex
 	passTextureIndex();
+
+#ifdef HAS_SKIN
+    mat4 mat = getObjectSkinnedTransform();
+    mat = modelview_matrix * mat;
+
+    vec4 pos = mat * vec4(position.xyz, 1.0);
+    gl_Position = projection_matrix * pos;
+#else
 	gl_Position = modelview_projection_matrix * vec4(position.xyz, 1.0);
+    vec4 pos = (modelview_matrix * vec4(position.xyz, 1.0));
+#endif
 	vary_texcoord0 = (texture_matrix0 * vec4(texcoord0,0,1)).xy;
 	
-	vec4 pos = (modelview_matrix * vec4(position.xyz, 1.0));
+	
 	calcAtmospherics(pos.xyz);
 
 	vertex_color = emissive;
-
-	
 }
diff --git a/indra/newview/app_settings/shaders/class1/objects/fullbrightShinySkinnedV.glsl b/indra/newview/app_settings/shaders/class1/objects/fullbrightShinySkinnedV.glsl
deleted file mode 100644
index 1e244d9dfd..0000000000
--- a/indra/newview/app_settings/shaders/class1/objects/fullbrightShinySkinnedV.glsl
+++ /dev/null
@@ -1,71 +0,0 @@
-/** 
- * @file shinySimpleSkinnedV.glsl
- * $LicenseInfo:firstyear=2007&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2007, Linden Research, Inc.
- * 
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- * 
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- * 
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- * 
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
- * $/LicenseInfo$
- */
-
-uniform mat4 texture_matrix0;
-uniform mat4 texture_matrix1;
-uniform mat4 modelview_matrix;
-uniform mat4 projection_matrix;
-
-ATTRIBUTE vec3 position;
-ATTRIBUTE vec3 normal;
-ATTRIBUTE vec4 diffuse_color;
-ATTRIBUTE vec2 texcoord0;
-
-VARYING vec4 vertex_color;
-VARYING vec2 vary_texcoord0;
-VARYING vec3 vary_texcoord1;
-VARYING vec4 vary_position;
-
-
-void calcAtmospherics(vec3 inPositionEye);
-mat4 getObjectSkinnedTransform();
-
-void main()
-{
-	mat4 mat = getObjectSkinnedTransform();
-	
-	mat = modelview_matrix * mat;
-	vec3 pos = (mat*vec4(position.xyz, 1.0)).xyz;
-
-    mat4 mvp = modelview_matrix * projection_matrix;
-    vary_position = mvp * vec4(position, 1.0);
-	
-	vec4 norm = vec4(position.xyz, 1.0);
-	norm.xyz += normal.xyz;
-	norm.xyz = (mat*norm).xyz;
-	norm.xyz = normalize(norm.xyz-pos.xyz);
-		
-	vec3 ref = reflect(pos.xyz, -norm.xyz);
-
-	vary_texcoord0 = (texture_matrix0 * vec4(texcoord0,0,1)).xy;
-	vary_texcoord1 = (texture_matrix1*vec4(ref,1.0)).xyz;
-
-	calcAtmospherics(pos.xyz);
-
-	vertex_color = diffuse_color;
-	
-	gl_Position = projection_matrix*vec4(pos, 1.0);
-	
-	
-}
diff --git a/indra/newview/app_settings/shaders/class1/objects/fullbrightShinyV.glsl b/indra/newview/app_settings/shaders/class1/objects/fullbrightShinyV.glsl
index 34bd8d445a..891515ab1e 100644
--- a/indra/newview/app_settings/shaders/class1/objects/fullbrightShinyV.glsl
+++ b/indra/newview/app_settings/shaders/class1/objects/fullbrightShinyV.glsl
@@ -46,20 +46,32 @@ VARYING vec4 vertex_color;
 VARYING vec2 vary_texcoord0;
 VARYING vec3 vary_texcoord1;
 
+#ifdef HAS_SKIN
+mat4 getObjectSkinnedTransform();
+uniform mat4 projection_matrix;
+#endif
 
 void main()
 {
 	//transform vertex
 	vec4 vert = vec4(position.xyz,1.0);
 	passTextureIndex();
+
+#ifdef HAS_SKIN
+    mat4 mat = getObjectSkinnedTransform();
+    mat = modelview_matrix * mat;
+    vec4 pos = mat * vert;
+    gl_Position = projection_matrix * pos;
+	vec3 norm = normalize((mat*vec4(normal.xyz+position.xyz,1.0)).xyz-pos.xyz);
+#else
 	vec4 pos = (modelview_matrix * vert);
 	gl_Position = modelview_projection_matrix*vec4(position.xyz, 1.0);
-	
 	vec3 norm = normalize(normal_matrix * normal);
+#endif
 	vec3 ref = reflect(pos.xyz, -norm);
 
 	vary_texcoord0 = (texture_matrix0 * vec4(texcoord0,0,1)).xy;
-	vary_texcoord1 = (texture_matrix1*vec4(ref,1.0)).xyz;
+	vary_texcoord1 = (texture_matrix1 * vec4(ref,1.0)).xyz;
 
 	calcAtmospherics(pos.xyz);
 
diff --git a/indra/newview/app_settings/shaders/class1/objects/fullbrightV.glsl b/indra/newview/app_settings/shaders/class1/objects/fullbrightV.glsl
index fc20d3270e..5af42f1fcf 100644
--- a/indra/newview/app_settings/shaders/class1/objects/fullbrightV.glsl
+++ b/indra/newview/app_settings/shaders/class1/objects/fullbrightV.glsl
@@ -33,26 +33,33 @@ ATTRIBUTE vec2 texcoord0;
 ATTRIBUTE vec3 normal;
 ATTRIBUTE vec4 diffuse_color;
 
-
 void calcAtmospherics(vec3 inPositionEye);
 
-
 VARYING vec4 vertex_color;
 VARYING vec2 vary_texcoord0;
 
+#ifdef HAS_SKIN
+mat4 getObjectSkinnedTransform();
+uniform mat4 projection_matrix;
+#endif
 
 void main()
 {
 	//transform vertex
 	vec4 vert = vec4(position.xyz,1.0);
 	passTextureIndex();
-	vec4 pos = (modelview_matrix * vert);
+#ifdef HAS_SKIN
+    mat4 mat = getObjectSkinnedTransform();
+    mat = modelview_matrix * mat;
+    vec4 pos = mat * vert;
+    gl_Position = projection_matrix * pos;
+#else
+    vec4 pos = (modelview_matrix * vert);
 	gl_Position = modelview_projection_matrix*vec4(position.xyz, 1.0);
+#endif
 	vary_texcoord0 = (texture_matrix0 * vec4(texcoord0,0,1)).xy;
 	
 	calcAtmospherics(pos.xyz);
 
 	vertex_color = diffuse_color;
-
-	
 }
diff --git a/indra/newview/app_settings/shaders/class1/objects/previewPhysicsF.glsl b/indra/newview/app_settings/shaders/class1/objects/previewPhysicsF.glsl
new file mode 100644
index 0000000000..3a5e6fdf7c
--- /dev/null
+++ b/indra/newview/app_settings/shaders/class1/objects/previewPhysicsF.glsl
@@ -0,0 +1,42 @@
+/** 
+ * @file previewPhysicsF.glsl
+ *
+ * $LicenseInfo:firstyear=2022&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2022, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#ifdef DEFINE_GL_FRAGCOLOR
+out vec4 frag_color;
+#else
+#define frag_color gl_FragColor
+#endif
+
+uniform sampler2D diffuseMap;
+uniform vec4 color;
+
+VARYING vec2 vary_texcoord0;
+
+//====================================================================================================
+
+void main()
+{
+    frag_color = texture2D(diffuseMap,vary_texcoord0.xy) * color;
+}
diff --git a/indra/newview/app_settings/shaders/class1/objects/previewPhysicsV.glsl b/indra/newview/app_settings/shaders/class1/objects/previewPhysicsV.glsl
new file mode 100644
index 0000000000..913dec83bd
--- /dev/null
+++ b/indra/newview/app_settings/shaders/class1/objects/previewPhysicsV.glsl
@@ -0,0 +1,42 @@
+/** 
+ * @file previewPhysicsV.glsl
+ *
+ * $LicenseInfo:firstyear=2022&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2022, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+uniform mat4 texture_matrix0;
+uniform mat4 modelview_matrix;
+uniform mat4 modelview_projection_matrix;
+
+ATTRIBUTE vec3 position;
+ATTRIBUTE vec2 texcoord0;
+
+VARYING vec2 vary_texcoord0;
+
+//====================================================================================================
+
+void main()
+{
+	//transform vertex
+	gl_Position = modelview_projection_matrix * vec4(position.xyz, 1.0);
+	vary_texcoord0 = (texture_matrix0 * vec4(texcoord0,0,1)).xy;
+}
diff --git a/indra/newview/app_settings/shaders/class1/objects/previewV.glsl b/indra/newview/app_settings/shaders/class1/objects/previewV.glsl
index 4bb588335a..5886f47cbc 100644
--- a/indra/newview/app_settings/shaders/class1/objects/previewV.glsl
+++ b/indra/newview/app_settings/shaders/class1/objects/previewV.glsl
@@ -51,30 +51,6 @@ float calcDirectionalLight(vec3 n, vec3 l)
 	return a;
 }
 
-
-float calcLocalLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float is_pointlight)
-{
-	//get light vector
-	vec3 lv = lp.xyz-v;
-	
-	//get distance
-	float d = length(lv);
-	
-	//normalize light vector
-	lv *= 1.0/d;
-	
-	//distance attenuation
-	float da = clamp(1.0/(la * d), 0.0, 1.0);
-	
-	// spotlight coefficient.
-	float spot = max(dot(-ln, lv), is_pointlight);
-	da *= spot*spot; // GL_SPOT_EXPONENT=2
-
-	//angular attenuation
-	da *= calcDirectionalLight(n, lv);
-
-	return da;	
-}
 //====================================================================================================
 
 
@@ -91,7 +67,8 @@ void main()
 
 	// Collect normal lights (need to be divided by two, as we later multiply by 2)
 	col.rgb += light_diffuse[1].rgb * calcDirectionalLight(norm, light_position[1].xyz);
-	col.rgb += light_diffuse[2].rgb*calcLocalLight(pos.xyz, norm, light_position[2], light_direction[2], light_attenuation[2].x, light_attenuation[2].z);
-	col.rgb += light_diffuse[3].rgb*calcLocalLight(pos.xyz, norm, light_position[3], light_direction[3], light_attenuation[3].x, light_attenuation[3].z);
+    col.rgb += light_diffuse[2].rgb * calcDirectionalLight(norm, light_position[2].xyz);
+    col.rgb += light_diffuse[3].rgb * calcDirectionalLight(norm, light_position[3].xyz);
+
 	vertex_color = col*color;
 }
diff --git a/indra/newview/app_settings/shaders/class1/objects/shinySimpleSkinnedV.glsl b/indra/newview/app_settings/shaders/class1/objects/shinySimpleSkinnedV.glsl
deleted file mode 100644
index 727bae19c0..0000000000
--- a/indra/newview/app_settings/shaders/class1/objects/shinySimpleSkinnedV.glsl
+++ /dev/null
@@ -1,66 +0,0 @@
-/** 
- * @file shinySimpleSkinnedV.glsl
- * $LicenseInfo:firstyear=2007&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2007, Linden Research, Inc.
- * 
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- * 
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- * 
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- * 
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
- * $/LicenseInfo$
- */
-
-uniform mat4 projection_matrix;
-uniform mat4 texture_matrix0;
-uniform mat4 texture_matrix1;
-uniform mat4 modelview_matrix;
-
-ATTRIBUTE vec3 position;
-ATTRIBUTE vec3 normal;
-ATTRIBUTE vec4 diffuse_color;
-ATTRIBUTE vec2 texcoord0;
-
-VARYING vec4 vertex_color;
-VARYING vec2 vary_texcoord0;
-VARYING vec3 vary_texcoord1;
-
-vec4 calcLighting(vec3 pos, vec3 norm, vec4 color);
-void calcAtmospherics(vec3 inPositionEye);
-mat4 getObjectSkinnedTransform();
-
-void main()
-{
-	mat4 mat = getObjectSkinnedTransform();
-	
-	mat = modelview_matrix * mat;
-	vec3 pos = (mat*vec4(position.xyz, 1.0)).xyz;
-	
-	vec4 norm = vec4(position.xyz, 1.0);
-	norm.xyz += normal.xyz;
-	norm.xyz = (mat*norm).xyz;
-	norm.xyz = normalize(norm.xyz-pos.xyz);
-		
-	vec3 ref = reflect(pos.xyz, -norm.xyz);
-
-	vary_texcoord0 = (texture_matrix0 * vec4(texcoord0,0,1)).xy;
-	vary_texcoord1 = (texture_matrix1*vec4(ref,1.0)).xyz;
-
-	calcAtmospherics(pos.xyz);
-
-	vec4 color = calcLighting(pos.xyz, norm.xyz, diffuse_color);
-	vertex_color = color;
-	
-	gl_Position = projection_matrix*vec4(pos, 1.0);
-}
diff --git a/indra/newview/app_settings/shaders/class1/objects/shinyV.glsl b/indra/newview/app_settings/shaders/class1/objects/shinyV.glsl
index 4ba8194d03..3ad7bcaa50 100644
--- a/indra/newview/app_settings/shaders/class1/objects/shinyV.glsl
+++ b/indra/newview/app_settings/shaders/class1/objects/shinyV.glsl
@@ -45,19 +45,32 @@ void calcAtmospherics(vec3 inPositionEye);
 
 uniform vec4 origin;
 
+#ifdef HAS_SKIN
+mat4 getObjectSkinnedTransform();
+uniform mat4 projection_matrix;
+#endif
+
 void main()
 {
 	//transform vertex
 	vec4 vert = vec4(position.xyz,1.0);
 	passTextureIndex();
+
+#ifdef HAS_SKIN
+    mat4 mat = getObjectSkinnedTransform();
+    mat = modelview_matrix * mat;
+    vec4 pos = mat * vert;
+    gl_Position = projection_matrix * pos;
+	vec3 norm = normalize((mat*vec4(normal.xyz+position.xyz,1.0)).xyz-pos.xyz);
+#else
 	vec4 pos = (modelview_matrix * vert);
 	gl_Position = modelview_projection_matrix*vec4(position.xyz, 1.0);
-		
 	vec3 norm = normalize(normal_matrix * normal);
+#endif
 	vec3 ref = reflect(pos.xyz, -norm);
 
-	vary_texcoord0 = (texture_matrix0 * vec4(texcoord0,0,1)).xy;
-	vary_texcoord1 = (texture_matrix1*vec4(ref,1.0)).xyz;
+	vary_texcoord0 = (texture_matrix0*vec4(texcoord0,0,1)).xy;
+	vary_texcoord1 = (texture_matrix1 * vec4(ref,1.0)).xyz;
 
 	calcAtmospherics(pos.xyz);
 
diff --git a/indra/newview/app_settings/shaders/class1/objects/simpleV.glsl b/indra/newview/app_settings/shaders/class1/objects/simpleV.glsl
index 9ef7704b70..2025174f7d 100644
--- a/indra/newview/app_settings/shaders/class1/objects/simpleV.glsl
+++ b/indra/newview/app_settings/shaders/class1/objects/simpleV.glsl
@@ -44,12 +44,16 @@ void calcAtmospherics(vec3 inPositionEye);
 VARYING vec4 vertex_color;
 VARYING vec2 vary_texcoord0;
 
+#ifdef HAS_SKIN
+mat4 getObjectSkinnedTransform();
+uniform mat4 projection_matrix;
+#endif
+
 
 void main()
 {
 	//transform vertex
 	vec4 vert = vec4(position.xyz,1.0);
-	gl_Position = modelview_projection_matrix*vec4(position.xyz, 1.0);
 
 	passTextureIndex();
 	vary_texcoord0 = (texture_matrix0 * vec4(texcoord0, 0, 1)).xy;
@@ -58,11 +62,23 @@ void main()
 	if (no_atmo == 1)
 	{
 		vertex_color = diffuse_color;
+        gl_Position = modelview_projection_matrix*vec4(position.xyz, 1.0);
 	}
 	else
 	{
+#ifdef HAS_SKIN
+        mat4 mat = getObjectSkinnedTransform();
+        mat = modelview_matrix * mat;
+
+        vec4 pos = mat * vert;
+        vec3 norm = normalize((mat*vec4(normal.xyz+vert.xyz,1.0)).xyz-pos.xyz);
+
+        gl_Position = projection_matrix * pos;
+#else
 		vec4 pos = (modelview_matrix * vert);
 		vec3 norm = normalize(normal_matrix * normal);
+        gl_Position = modelview_projection_matrix*vec4(position.xyz, 1.0);
+#endif
 
 		calcAtmospherics(pos.xyz);
 
diff --git a/indra/newview/app_settings/ultra_graphics.xml b/indra/newview/app_settings/ultra_graphics.xml
index eb2cd356d9..8462df207b 100644
--- a/indra/newview/app_settings/ultra_graphics.xml
+++ b/indra/newview/app_settings/ultra_graphics.xml
@@ -6,8 +6,6 @@
 	<RenderAvatarLODFactor value="1.0"/>
 	<!--Default for now-->
 	<RenderAvatarPhysicsLODFactor value="1.0"/>
-	<!--NO SHADERS-->
-	<RenderAvatarVP value="TRUE"/>
 	<!--Short Range-->
 	<RenderFarClip value="256"/>
 	<!--Default for now-->