merge from viewer-trunk

70 files changed, 2347 insertions, 1652 deletions

diff --git a/indra/newview/app_settings/high_graphics.xml b/indra/newview/app_settings/high_graphics.xml
index 6368f7099e..93d39c8414 100644
--- a/indra/newview/app_settings/high_graphics.xml
+++ b/indra/newview/app_settings/high_graphics.xml
@@ -12,8 +12,6 @@
 	<RenderFlexTimeFactor value="1"/>
 	<!--256... but they don't use this-->
 	<RenderGlowResolutionPow value="9"/>
-	<!--Sun/Moon only-->
-	<RenderLightingDetail value="1"/>
 	<!--Low number-->
 	<RenderMaxPartCount value="4096"/>
 	<!--bump okay-->
@@ -31,9 +29,14 @@
 	<!--Default for now-->
 	<RenderVolumeLODFactor value="1.125"/>
 	<!--NO SHADERS-->
-	<RenderWaterReflections value="FALSE"/>
-	<!--NO SHADERS-->
 	<VertexShaderEnable value="TRUE"/>
 	<!--NO SHADERS-->
 	<WindLightUseAtmosShaders value="TRUE"/>
+  <!--Deferred Shading-->
+  <RenderDeferred value="TRUE"/>
+  <!--SSAO Disabled-->
+  <RenderDeferredSSAO value="FALSE"/>
+  <!--Sun Shadows-->
+  <RenderShadowDetail value="1"/>
+
 </settings>
diff --git a/indra/newview/app_settings/low_graphics.xml b/indra/newview/app_settings/low_graphics.xml
index 3f67a70d7a..a300c8646c 100644
--- a/indra/newview/app_settings/low_graphics.xml
+++ b/indra/newview/app_settings/low_graphics.xml
@@ -12,8 +12,6 @@
 	<RenderFlexTimeFactor value="0.5"/>
 	<!--256... but they don't use this-->
 	<RenderGlowResolutionPow value="8"/>
-	<!--Sun/Moon only-->
-	<RenderLightingDetail value="0"/>
 	<!--Low number-->
 	<RenderMaxPartCount value="1024"/>
 	<!--bump okay-->
@@ -31,9 +29,14 @@
 	<!--Default for now-->
 	<RenderVolumeLODFactor value="1.125"/>
 	<!--NO SHADERS-->
-	<RenderWaterReflections value="FALSE"/>
-	<!--NO SHADERS-->
 	<VertexShaderEnable value="FALSE"/>
 	<!--NO SHADERS-->
 	<WindLightUseAtmosShaders value="FALSE"/>
+  <!--No Deferred Shading-->
+  <RenderDeferred value="FALSE"/>
+  <!--SSAO Disabled-->
+  <RenderDeferredSSAO value="FALSE"/>
+  <!--No Shadows-->
+  <RenderShadowDetail value="0"/>
+
 </settings>
diff --git a/indra/newview/app_settings/mid_graphics.xml b/indra/newview/app_settings/mid_graphics.xml
index 12da77da40..a1430a58f9 100644
--- a/indra/newview/app_settings/mid_graphics.xml
+++ b/indra/newview/app_settings/mid_graphics.xml
@@ -12,8 +12,6 @@
 	<RenderFlexTimeFactor value="1"/>
 	<!--256... but they don't use this-->
 	<RenderGlowResolutionPow value="8"/>
-	<!--Sun/Moon only-->
-	<RenderLightingDetail value="1"/>
 	<!--Low number-->
 	<RenderMaxPartCount value="2048"/>
 	<!--bump okay-->
@@ -31,9 +29,14 @@
 	<!--Default for now-->
 	<RenderVolumeLODFactor value="1.125"/>
 	<!--NO SHADERS-->
-	<RenderWaterReflections value="FALSE"/>
-	<!--NO SHADERS-->
 	<VertexShaderEnable value="TRUE"/>
 	<!--NO SHADERS-->
 	<WindLightUseAtmosShaders value="FALSE"/>
+  <!--No Deferred Shading-->
+  <RenderDeferred value="FALSE"/>
+  <!--SSAO Disabled-->
+  <RenderDeferredSSAO value="FALSE"/>
+  <!--No Shadows-->
+  <RenderShadowDetail value="0"/>
+
 </settings>
diff --git a/indra/newview/app_settings/settings.xml b/indra/newview/app_settings/settings.xml
index 3aab27ab4b..4bbabb026c 100644
--- a/indra/newview/app_settings/settings.xml
+++ b/indra/newview/app_settings/settings.xml
@@ -6174,7 +6174,7 @@
     <key>Type</key>
     <string>U32</string>
     <key>Value</key>
-    <integer>60</integer>
+    <integer>200</integer>
   </map>
   <key>RenderSSAOFactor</key>
   <map>
@@ -6549,6 +6549,52 @@
     <real>0.01</real>
   </map>
 
+  <key>RenderShadowBiasError</key>
+  <map>
+    <key>Comment</key>
+    <string>Error scale for shadow bias (based on altitude).</string>
+    <key>Persist</key>
+    <integer>1</integer>
+    <key>Type</key>
+    <string>F32</string>
+    <key>Value</key>
+    <real>0</real>
+  </map>
+  <key>RenderShadowOffsetError</key>
+  <map>
+    <key>Comment</key>
+    <string>Error scale for shadow offset (based on altitude).</string>
+    <key>Persist</key>
+    <integer>1</integer>
+    <key>Type</key>
+    <string>F32</string>
+    <key>Value</key>
+    <real>0</real>
+  </map>
+  
+  <key>RenderSpotShadowBias</key>
+  <map>
+    <key>Comment</key>
+    <string>Bias value for shadows (prevent shadow acne).</string>
+    <key>Persist</key>
+    <integer>1</integer>
+    <key>Type</key>
+    <string>F32</string>
+    <key>Value</key>
+    <real>-0.0005</real>
+  </map>
+  <key>RenderSpotShadowOffset</key>
+  <map>
+    <key>Comment</key>
+    <string>Offset value for shadows (prevent shadow acne).</string>
+    <key>Persist</key>
+    <integer>1</integer>
+    <key>Type</key>
+    <string>F32</string>
+    <key>Value</key>
+    <real>0.01</real>
+  </map>
+
   <key>RenderShadowResolutionScale</key>
   <map>
     <key>Comment</key>
@@ -6561,8 +6607,6 @@
     <real>1.0</real>
   </map>
 
-
-
   <key>RenderDeferredTreeShadowBias</key>
   <map>
     <key>Comment</key>
@@ -6698,19 +6742,7 @@
     <key>Value</key>
     <integer>0</integer>
   </map>
-
-  <key>RenderDeferredShadow</key>
-  <map>
-    <key>Comment</key>
-    <string>Enable shadows in deferred renderer.</string>
-    <key>Persist</key>
-    <integer>1</integer>
-    <key>Type</key>
-    <string>Boolean</string>
-    <key>Value</key>
-    <integer>1</integer>
-  </map>
-
+  
   <key>RenderDeferredGI</key>
   <map>
     <key>Comment</key>
@@ -6723,10 +6755,10 @@
     <integer>0</integer>
   </map>
 
-  <key>RenderDeferredSunShadow</key>
+  <key>RenderDeferredSun</key>
   <map>
     <key>Comment</key>
-    <string>Generate shadows from the sun.</string>
+    <string>Execute sunlight shader in deferred renderer.</string>
     <key>Persist</key>
     <integer>1</integer>
     <key>Type</key>
@@ -6735,10 +6767,10 @@
     <integer>1</integer>
   </map>
 
-  <key>RenderDeferredSun</key>
+  <key>RenderDeferredAtmospheric</key>
   <map>
     <key>Comment</key>
-    <string>Execute sunlight shader in deferred renderer.</string>
+    <string>Execute atmospheric shader in deferred renderer.</string>
     <key>Persist</key>
     <integer>1</integer>
     <key>Type</key>
@@ -6747,10 +6779,10 @@
     <integer>1</integer>
   </map>
 
-  <key>RenderDeferredAtmospheric</key>
+  <key>RenderDeferredSSAO</key>
   <map>
     <key>Comment</key>
-    <string>Execute atmospheric shader in deferred renderer.</string>
+    <string>Execute screen space ambient occlusion shader in deferred renderer.</string>
     <key>Persist</key>
     <integer>1</integer>
     <key>Type</key>
@@ -7009,10 +7041,10 @@
       <key>Value</key>
       <real>256.0</real>
     </map>
-    <key>RenderFastAlpha</key>
+    <key>RenderAutoMaskAlphaNonDeferred</key>
     <map>
       <key>Comment</key>
-      <string>Use lossy alpha rendering optimization (opaque/nonexistent small alpha faces).</string>
+      <string>Use alpha masks where appropriate, in the non-deferred (non-'Lighting and Shadows') graphics mode</string>
       <key>Persist</key>
       <integer>1</integer>
       <key>Type</key>
@@ -7020,6 +7052,17 @@
       <key>Value</key>
       <integer>0</integer>
     </map>
+    <key>RenderAutoMaskAlphaDeferred</key>
+    <map>
+      <key>Comment</key>
+      <string>Use alpha masks where appropriate, in the deferred ('Lighting and Shadows') graphics mode</string>
+      <key>Persist</key>
+      <integer>1</integer>
+      <key>Type</key>
+      <string>Boolean</string>
+      <key>Value</key>
+      <integer>1</integer>
+    </map>
     <key>RenderFastUI</key>
     <map>
       <key>Comment</key>
@@ -7281,17 +7324,6 @@
       <key>Value</key>
       <integer>0</integer>
     </map>
-    <key>RenderLightingDetail</key>
-    <map>
-      <key>Comment</key>
-      <string>Amount of detail for lighting objects/avatars/terrain (0=sun/moon only, 1=enable local lights)</string>
-      <key>Persist</key>
-      <integer>1</integer>
-      <key>Type</key>
-      <string>S32</string>
-      <key>Value</key>
-      <integer>1</integer>
-    </map>
     <key>RenderMaxPartCount</key>
     <map>
       <key>Comment</key>
@@ -7391,7 +7423,19 @@
       <key>Value</key>
       <integer>2</integer>
     </map>
-    <key>RenderReflectionRes</key>
+    <key>RenderShadowDetail</key>
+    <map>
+      <key>Comment</key>
+      <string>Detail of shadows.</string>
+      <key>Persist</key>
+      <integer>1</integer>
+      <key>Type</key>
+      <string>S32</string>
+      <key>Value</key>
+      <integer>2</integer>
+    </map>
+
+  <key>RenderReflectionRes</key>
     <map>
       <key>Comment</key>
       <string>Reflection map resolution.</string>
@@ -7521,7 +7565,7 @@
       <key>Type</key>
       <string>Boolean</string>
       <key>Value</key>
-      <integer>0</integer>
+      <integer>1</integer>
     </map>
     <key>RenderUIBuffer</key>
     <map>
@@ -7622,6 +7666,17 @@
       <key>Value</key>
       <integer>1</integer>
     </map>
+  <key>RenderUseStreamVBO</key>
+  <map>
+    <key>Comment</key>
+    <string>Use VBO's for stream buffers</string>
+    <key>Persist</key>
+    <integer>1</integer>
+    <key>Type</key>
+    <string>Boolean</string>
+    <key>Value</key>
+    <integer>1</integer>
+  </map>
     <key>RenderVolumeLODFactor</key>
     <map>
       <key>Comment</key>
@@ -7666,17 +7721,6 @@
       <key>Value</key>
       <integer>512</integer>
     </map>
-    <key>RenderWaterReflections</key>
-    <map>
-      <key>Comment</key>
-      <string>Reflect the environment in the water.</string>
-      <key>Persist</key>
-      <integer>1</integer>
-      <key>Type</key>
-      <string>Boolean</string>
-      <key>Value</key>
-      <integer>0</integer>
-    </map>
     <key>RotateRight</key>
     <map>
       <key>Comment</key>
diff --git a/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl b/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl
index 4fb109d687..fea2e16090 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl
@@ -24,8 +24,6 @@ varying vec3 vary_fragcoord;
 varying vec3 vary_position;
 varying vec3 vary_light;
 
-uniform float alpha_soften;
-
 uniform mat4 inv_proj;
 
 vec4 getPosition(vec2 pos_screen)
@@ -57,15 +55,6 @@ void main()
 
 	color.rgb = scaleSoftClip(color.rgb);
 
-	if (samp_pos.z != 0.0 && gl_Color.a < 1.0)
-	{
-		float dist_factor = alpha_soften;
-		float a = gl_Color.a;
-		a *= a;
-		dist_factor *= 1.0/(1.0-a);
-		color.a *= min((pos.z-samp_pos.z)*dist_factor, 1.0);
-	}
-	
 	//gl_FragColor = gl_Color;
 	gl_FragColor = color;
 	//gl_FragColor = vec4(1,0,1,1);
diff --git a/indra/newview/app_settings/shaders/class1/deferred/alphaV.glsl b/indra/newview/app_settings/shaders/class1/deferred/alphaV.glsl
index 1a7d58b07b..04e556c11a 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/alphaV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/alphaV.glsl
@@ -9,7 +9,7 @@ vec4 calcLighting(vec3 pos, vec3 norm, vec4 color, vec4 baseCol);
 void calcAtmospherics(vec3 inPositionEye);
 
 float calcDirectionalLight(vec3 n, vec3 l);
-float calcPointLight(vec3 v, vec3 n, vec4 lp, float la);
+float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float is_pointlight);
 
 vec3 atmosAmbient(vec3 light);
 vec3 atmosAffectDirectionalLight(float lightIntensity);
@@ -41,23 +41,22 @@ void main()
 	calcAtmospherics(pos.xyz);
 
 	//vec4 color = calcLighting(pos.xyz, norm, gl_Color, vec4(0.));
-	vec4 col;
-	col.a = gl_Color.a;
-	
-	// Add windlight lights
-	col.rgb = atmosAmbient(vec3(0.));
-	col.rgb = scaleUpLight(col.rgb);
+
+	vec4 col = vec4(0.0, 0.0, 0.0, gl_Color.a);
 
 	// Collect normal lights (need to be divided by two, as we later multiply by 2)
-	col.rgb += gl_LightSource[2].diffuse.rgb*calcPointLight(pos.xyz, norm, gl_LightSource[2].position, gl_LightSource[2].linearAttenuation);
-	col.rgb += gl_LightSource[3].diffuse.rgb*calcPointLight(pos.xyz, norm, gl_LightSource[3].position, gl_LightSource[3].linearAttenuation);
-	col.rgb += gl_LightSource[4].diffuse.rgb*calcPointLight(pos.xyz, norm, gl_LightSource[4].position, gl_LightSource[4].linearAttenuation);
-	col.rgb += gl_LightSource[5].diffuse.rgb*calcPointLight(pos.xyz, norm, gl_LightSource[5].position, gl_LightSource[5].linearAttenuation);
- 	col.rgb += gl_LightSource[6].diffuse.rgb*calcPointLight(pos.xyz, norm, gl_LightSource[6].position, gl_LightSource[6].linearAttenuation);
- 	col.rgb += gl_LightSource[7].diffuse.rgb*calcPointLight(pos.xyz, norm, gl_LightSource[7].position, gl_LightSource[7].linearAttenuation);
+	col.rgb += gl_LightSource[2].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[2].position, gl_LightSource[2].spotDirection.xyz, gl_LightSource[2].linearAttenuation, gl_LightSource[2].specular.a);
+	col.rgb += gl_LightSource[3].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[3].position, gl_LightSource[3].spotDirection.xyz, gl_LightSource[3].linearAttenuation, gl_LightSource[3].specular.a);
+	col.rgb += gl_LightSource[4].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[4].position, gl_LightSource[4].spotDirection.xyz, gl_LightSource[4].linearAttenuation, gl_LightSource[4].specular.a);
+	col.rgb += gl_LightSource[5].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[5].position, gl_LightSource[5].spotDirection.xyz, gl_LightSource[5].linearAttenuation, gl_LightSource[5].specular.a);
+	col.rgb += gl_LightSource[6].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[6].position, gl_LightSource[6].spotDirection.xyz, gl_LightSource[6].linearAttenuation, gl_LightSource[6].specular.a);
+	col.rgb += gl_LightSource[7].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[7].position, gl_LightSource[7].spotDirection.xyz, gl_LightSource[7].linearAttenuation, gl_LightSource[7].specular.a);
 	col.rgb += gl_LightSource[1].diffuse.rgb*calcDirectionalLight(norm, gl_LightSource[1].position.xyz);
 	col.rgb = scaleDownLight(col.rgb);
 	
+	// Add windlight lights
+	col.rgb += atmosAmbient(vec3(0.));
+	
 	vary_light = gl_LightSource[0].position.xyz;
 	
 	vary_ambient = col.rgb*gl_Color.rgb;
diff --git a/indra/newview/app_settings/shaders/class1/deferred/avatarAlphaV.glsl b/indra/newview/app_settings/shaders/class1/deferred/avatarAlphaV.glsl
index c1988d3c78..650fbcc3f5 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/avatarAlphaV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/avatarAlphaV.glsl
@@ -10,7 +10,7 @@ mat4 getSkinnedTransform();
 void calcAtmospherics(vec3 inPositionEye);
 
 float calcDirectionalLight(vec3 n, vec3 l);
-float calcPointLight(vec3 v, vec3 n, vec4 lp, float la);
+float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float is_pointlight);
 
 vec3 atmosAmbient(vec3 light);
 vec3 atmosAffectDirectionalLight(float lightIntensity);
@@ -47,23 +47,22 @@ void main()
 	calcAtmospherics(pos.xyz);
 
 	//vec4 color = calcLighting(pos.xyz, norm, gl_Color, vec4(0.));
-	vec4 col;
-	col.a = gl_Color.a;
-	
-	// Add windlight lights
-	col.rgb = atmosAmbient(vec3(0.));
-	col.rgb = scaleUpLight(col.rgb);
+
+	vec4 col = vec4(0.0, 0.0, 0.0, gl_Color.a);
 
 	// Collect normal lights (need to be divided by two, as we later multiply by 2)
-	col.rgb += gl_LightSource[2].diffuse.rgb*calcPointLight(pos.xyz, norm, gl_LightSource[2].position, gl_LightSource[2].linearAttenuation);
-	col.rgb += gl_LightSource[3].diffuse.rgb*calcPointLight(pos.xyz, norm, gl_LightSource[3].position, gl_LightSource[3].linearAttenuation);
-	col.rgb += gl_LightSource[4].diffuse.rgb*calcPointLight(pos.xyz, norm, gl_LightSource[4].position, gl_LightSource[4].linearAttenuation);
-	col.rgb += gl_LightSource[5].diffuse.rgb*calcPointLight(pos.xyz, norm, gl_LightSource[5].position, gl_LightSource[5].linearAttenuation);
- 	col.rgb += gl_LightSource[6].diffuse.rgb*calcPointLight(pos.xyz, norm, gl_LightSource[6].position, gl_LightSource[6].linearAttenuation);
- 	col.rgb += gl_LightSource[7].diffuse.rgb*calcPointLight(pos.xyz, norm, gl_LightSource[7].position, gl_LightSource[7].linearAttenuation);
+	col.rgb += gl_LightSource[2].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[2].position, gl_LightSource[2].spotDirection.xyz, gl_LightSource[2].linearAttenuation, gl_LightSource[2].specular.a);
+	col.rgb += gl_LightSource[3].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[3].position, gl_LightSource[3].spotDirection.xyz, gl_LightSource[3].linearAttenuation, gl_LightSource[3].specular.a);
+	col.rgb += gl_LightSource[4].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[4].position, gl_LightSource[4].spotDirection.xyz, gl_LightSource[4].linearAttenuation, gl_LightSource[4].specular.a);
+	col.rgb += gl_LightSource[5].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[5].position, gl_LightSource[5].spotDirection.xyz, gl_LightSource[5].linearAttenuation, gl_LightSource[5].specular.a);
+	col.rgb += gl_LightSource[6].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[6].position, gl_LightSource[6].spotDirection.xyz, gl_LightSource[6].linearAttenuation, gl_LightSource[6].specular.a);
+	col.rgb += gl_LightSource[7].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[7].position, gl_LightSource[7].spotDirection.xyz, gl_LightSource[7].linearAttenuation, gl_LightSource[7].specular.a);
 	col.rgb += gl_LightSource[1].diffuse.rgb*calcDirectionalLight(norm, gl_LightSource[1].position.xyz);
 	col.rgb = scaleDownLight(col.rgb);
 	
+	// Add windlight lights
+	col.rgb += atmosAmbient(vec3(0.));
+	
 	vary_ambient = col.rgb*gl_Color.rgb;
 	vary_directional = gl_Color.rgb*atmosAffectDirectionalLight(max(calcDirectionalLight(norm, gl_LightSource[0].position.xyz), (1.0-gl_Color.a)*(1.0-gl_Color.a)));
 	
diff --git a/indra/newview/app_settings/shaders/class1/deferred/avatarShadowF.glsl b/indra/newview/app_settings/shaders/class1/deferred/avatarShadowF.glsl
index 00083eb6b3..085ffddeec 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/avatarShadowF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/avatarShadowF.glsl
@@ -10,7 +10,7 @@ uniform sampler2D diffuseMap;
 
 void main() 
 {
-	gl_FragColor = vec4(1,1,1,gl_Color.a * texture2D(diffuseMap, gl_TexCoord[0].xy).a);
-	//gl_FragColor = vec4(1,1,1,1);
+	//gl_FragColor = vec4(1,1,1,gl_Color.a * texture2D(diffuseMap, gl_TexCoord[0].xy).a);
+	gl_FragColor = vec4(1,1,1,1);
 }
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/blurLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/blurLightF.glsl
index bd5e9dd758..0fad5b4b50 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/blurLightF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/blurLightF.glsl
@@ -10,13 +10,11 @@
 uniform sampler2DRect depthMap;
 uniform sampler2DRect normalMap;
 uniform sampler2DRect lightMap;
-uniform sampler2DRect giLightMap;
 
 uniform float dist_factor;
 uniform float blur_size;
 uniform vec2 delta;
-uniform vec3 kern[32];
-uniform int kern_length;
+uniform vec3 kern[4];
 uniform float kern_scale;
 
 varying vec2 vary_fragcoord;
@@ -50,7 +48,7 @@ void main()
 	vec2 defined_weight = kern[0].xy; // special case the first (centre) sample's weight in the blur; we have to sample it anyway so we get it for 'free'
 	vec4 col = defined_weight.xyxx * ccol;
 	
-	for (int i = 1; i < kern_length; i++)
+	for (int i = 1; i < 4; i++)
 	{
 		vec2 tc = vary_fragcoord.xy + kern[i].z*dlt;
 	        vec3 samppos = getPosition(tc).xyz; 
@@ -61,12 +59,22 @@ void main()
 			defined_weight += kern[i].xy;
 		}
 	}
+	for (int i = 1; i < 4; i++)
+	{
+		vec2 tc = vary_fragcoord.xy - kern[i].z*dlt;
+	        vec3 samppos = getPosition(tc).xyz; 
+		float d = dot(norm.xyz, samppos.xyz-pos.xyz);// dist from plane
+		if (d*d <= 0.003)
+		{
+			col += texture2DRect(lightMap, tc)*kern[i].xyxx;
+			defined_weight += kern[i].xy;
+		}
+	}
 
 
 
 	col /= defined_weight.xyxx;
 	
 	gl_FragColor = col;
-	
-	//gl_FragColor = ccol;
 }
+
diff --git a/indra/newview/app_settings/shaders/class1/deferred/bumpF.glsl b/indra/newview/app_settings/shaders/class1/deferred/bumpF.glsl
index 1c29dae5f7..6e38caf5ef 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/bumpF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/bumpF.glsl
@@ -14,14 +14,15 @@ varying vec3 vary_mat2;
 
 void main() 
 {
-	vec3 col = texture2D(diffuseMap, gl_TexCoord[0].xy).rgb;
+	vec3 col = gl_Color.rgb * texture2D(diffuseMap, gl_TexCoord[0].xy).rgb;
 	vec3 norm = texture2D(bumpMap, gl_TexCoord[0].xy).rgb * 2.0 - 1.0;
 
 	vec3 tnorm = vec3(dot(norm,vary_mat0),
-					  dot(norm,vary_mat1),
-					  dot(norm,vary_mat2));
+			  dot(norm,vary_mat1),
+			  dot(norm,vary_mat2));
 						
-	gl_FragData[0] = vec4(gl_Color.rgb*col, 0.0);
-	gl_FragData[1] = vec4(col*gl_Color.a, gl_Color.a);
+	gl_FragData[0] = vec4(col, 0.0);
+	gl_FragData[1] = gl_Color.aaaa; // spec
+	//gl_FragData[1] = vec4(vec3(gl_Color.a), gl_Color.a+(1.0-gl_Color.a)*gl_Color.a); // spec - from former class3 - maybe better, but not so well tested
 	gl_FragData[2] = vec4(normalize(tnorm)*0.5+0.5, 0.0);
 }
diff --git a/indra/newview/app_settings/shaders/class1/deferred/diffuseF.glsl b/indra/newview/app_settings/shaders/class1/deferred/diffuseF.glsl
index 5895ebda84..112103956d 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/diffuseF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/diffuseF.glsl
@@ -11,8 +11,9 @@ varying vec3 vary_normal;
 
 void main() 
 {
-	vec3 col = texture2D(diffuseMap, gl_TexCoord[0].xy).rgb;
-	gl_FragData[0] = vec4(gl_Color.rgb*col, 0.0);
-	gl_FragData[1] = vec4(col*(gl_Color.a*1.5), gl_Color.a);
+	vec3 col = gl_Color.rgb * texture2D(diffuseMap, gl_TexCoord[0].xy).rgb;
+	gl_FragData[0] = vec4(col, 0.0);
+	gl_FragData[1] = gl_Color.aaaa; // spec
+	//gl_FragData[1] = vec4(vec3(gl_Color.a), gl_Color.a+(1.0-gl_Color.a)*gl_Color.a); // spec - from former class3 - maybe better, but not so well tested
 	gl_FragData[2] = vec4(normalize(vary_normal)*0.5+0.5, 0.0);
 }
diff --git a/indra/newview/app_settings/shaders/class1/deferred/fullbrightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/fullbrightF.glsl
index e518bddb98..0db9586a88 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/fullbrightF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/fullbrightF.glsl
@@ -23,8 +23,6 @@ varying vec4 vary_position;
 varying vec3 vary_normal;
 varying vec3 vary_fragcoord;
 
-uniform float alpha_soften;
-
 uniform mat4 inv_proj;
 
 vec4 getPosition(vec2 pos_screen)
@@ -56,15 +54,6 @@ void main()
 
 	color.rgb = fullbrightScaleSoftClip(color.rgb);
 
-	if (samp_pos.z != 0.0 && color.a < 1.0)
-	{
-		float dist_factor = alpha_soften;
-		float a = color.a;
-		a *= a;
-		dist_factor *= 1.0/(1.0-a);
-		color.a *= min((pos.z-samp_pos.z)*dist_factor, 1.0);
-	}
-
 	//gl_FragColor = gl_Color;
 	gl_FragColor = color;
 	//gl_FragColor = vec4(1,0,1,1);
diff --git a/indra/newview/app_settings/shaders/class1/deferred/impostorF.glsl b/indra/newview/app_settings/shaders/class1/deferred/impostorF.glsl
index 8c140a7b4f..508bbf415e 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/impostorF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/impostorF.glsl
@@ -11,7 +11,8 @@ uniform sampler2D specularMap;
 
 void main() 
 {
-	gl_FragData[0] = texture2D(diffuseMap, gl_TexCoord[0].xy);
+	vec4 col = texture2D(diffuseMap, gl_TexCoord[0].xy);
+	gl_FragData[0] = vec4(col.rgb, col.a <= 0.5 ? 0.0 : 0.005);
 	gl_FragData[1] = texture2D(specularMap, gl_TexCoord[0].xy);
 	gl_FragData[2] = vec4(texture2D(normalMap, gl_TexCoord[0].xy).xyz, 0.0);
 }
diff --git a/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl
index 28bcd720c0..82e9450e68 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl
@@ -5,9 +5,10 @@
  * $License$
  */
 
-
 #version 120
 
+//class 1 -- no shadows
+
 #extension GL_ARB_texture_rectangle : enable
 
 uniform sampler2DRect diffuseRect;
@@ -26,12 +27,15 @@ uniform vec3 proj_n;
 uniform float proj_focus; //distance from plane to begin blurring
 uniform float proj_lod;  //(number of mips in proj map)
 uniform float proj_range; //range between near clip and far clip plane of projection
+uniform float proj_ambient_lod;
 uniform float proj_ambiance;
 uniform float near_clip;
 uniform float far_clip;
 
 uniform vec3 proj_origin; //origin of projection to be used for angular attenuation
 uniform float sun_wash;
+uniform int proj_shadow_idx;
+uniform float shadow_fade;
 
 varying vec4 vary_light;
 
@@ -40,6 +44,52 @@ uniform vec2 screen_res;
 
 uniform mat4 inv_proj;
 
+vec4 texture2DLodSpecular(sampler2D projectionMap, vec2 tc, float lod)
+{
+	vec4 ret = texture2DLod(projectionMap, tc, lod);
+	
+	vec2 dist = tc-vec2(0.5);
+	
+	float det = max(1.0-lod/(proj_lod*0.5), 0.0);
+	
+	float d = dot(dist,dist);
+		
+	ret *= min(clamp((0.25-d)/0.25, 0.0, 1.0)+det, 1.0);
+	
+	return ret;
+}
+
+vec4 texture2DLodDiffuse(sampler2D projectionMap, vec2 tc, float lod)
+{
+	vec4 ret = texture2DLod(projectionMap, tc, lod);
+	
+	vec2 dist = vec2(0.5) - abs(tc-vec2(0.5));
+	
+	float det = min(lod/(proj_lod*0.5), 1.0);
+	
+	float d = min(dist.x, dist.y);
+	
+	float edge = 0.25*det;
+		
+	ret *= clamp(d/edge, 0.0, 1.0);
+	
+	return ret;
+}
+
+vec4 texture2DLodAmbient(sampler2D projectionMap, vec2 tc, float lod)
+{
+	vec4 ret = texture2DLod(projectionMap, tc, lod);
+	
+	vec2 dist = tc-vec2(0.5);
+	
+	float d = dot(dist,dist);
+		
+	ret *= min(clamp((0.25-d)/0.25, 0.0, 1.0), 1.0);
+	
+	return ret;
+}
+
+
 vec4 getPosition(vec2 pos_screen)
 {
 	float depth = texture2DRect(depthMap, pos_screen.xy).a;
@@ -68,7 +118,7 @@ void main()
 	{
 		discard;
 	}
-	
+		
 	vec3 norm = texture2DRect(normalMap, frag.xy).xyz*2.0-1.0;
 	
 	norm = normalize(norm);
@@ -83,7 +133,11 @@ void main()
 	proj_tc.xyz /= proj_tc.w;
 	
 	float fa = gl_Color.a+1.0;
-	float dist_atten = clamp(1.0-(dist2-1.0*(1.0-fa))/fa, 0.0, 1.0);
+	float dist_atten = min(1.0-(dist2-1.0*(1.0-fa))/fa, 1.0);
+	if (dist_atten <= 0.0)
+	{
+		discard;
+	}
 	
 	lv = proj_origin-pos.xyz;
 	lv = normalize(lv);
@@ -101,32 +155,32 @@ void main()
 		proj_tc.y > 0.0)
 	{
 		float lit = 0.0;
+		float amb_da = proj_ambiance;
+		
 		if (da > 0.0)
 		{
 			float diff = clamp((l_dist-proj_focus)/proj_range, 0.0, 1.0);
 			float lod = diff * proj_lod;
 			
-			vec4 plcol = texture2DLod(projectionMap, proj_tc.xy, lod);
+			vec4 plcol = texture2DLodDiffuse(projectionMap, proj_tc.xy, lod);
 		
 			vec3 lcol = gl_Color.rgb * plcol.rgb * plcol.a;
 			
 			lit = da * dist_atten * noise;
 			
 			col = lcol*lit*diff_tex;
+			amb_da += (da*0.5)*proj_ambiance;
 		}
 		
-		float diff = clamp((proj_range-proj_focus)/proj_range, 0.0, 1.0);
-		float lod = diff * proj_lod;
-		vec4 amb_plcol = texture2DLod(projectionMap, proj_tc.xy, lod);
-		//float amb_da = mix(proj_ambiance, proj_ambiance*max(-da, 0.0), max(da, 0.0));
-		float amb_da = proj_ambiance;
-		
+		//float diff = clamp((proj_range-proj_focus)/proj_range, 0.0, 1.0);
+		vec4 amb_plcol = texture2DLodAmbient(projectionMap, proj_tc.xy, proj_lod);
+							
 		amb_da += (da*da*0.5+0.5)*proj_ambiance;
-			
+				
 		amb_da *= dist_atten * noise;
-		
+			
 		amb_da = min(amb_da, 1.0-lit);
-		
+			
 		col += amb_da*gl_Color.rgb*diff_tex.rgb*amb_plcol.rgb*amb_plcol.a;
 	}
 	
@@ -144,35 +198,28 @@ void main()
 		{
 			vec3 pfinal = pos + ref * dot(pdelta, proj_n)/ds;
 			
-			vec3 stc = (proj_mat * vec4(pfinal.xyz, 1.0)).xyz;
+			vec4 stc = (proj_mat * vec4(pfinal.xyz, 1.0));
 
 			if (stc.z > 0.0)
 			{
-				stc.xy /= stc.z+proj_near;
-					
+				stc.xy /= stc.w;
+
+				float fatten = clamp(spec.a*spec.a+spec.a*0.5, 0.25, 1.0);
+				
+				stc.xy = (stc.xy - vec2(0.5)) * fatten + vec2(0.5);
+								
 				if (stc.x < 1.0 &&
 					stc.y < 1.0 &&
 					stc.x > 0.0 &&
 					stc.y > 0.0)
 				{
-					vec4 scol = texture2DLod(projectionMap, stc.xy, proj_lod-spec.a*proj_lod);
+					vec4 scol = texture2DLodSpecular(projectionMap, stc.xy, proj_lod-spec.a*proj_lod);
 					col += dist_atten*scol.rgb*gl_Color.rgb*scol.a*spec.rgb;
 				}
 			}
 		}
 	}
 	
-	/*if (spec.a > 0.0)
-	{
-		//vec3 ref = reflect(normalize(pos), norm);
-		float sa = dot(normalize(lv-normalize(pos)),norm);;
-		//sa = max(sa, 0.0);
-		//sa = pow(sa, 128.0 * spec.a*spec.a/dist_atten)*min(dist_atten*4.0, 1.0);
-		sa = texture2D(lightFunc, vec2(sa, spec.a)).a * min(dist_atten*4.0, 1.0);
-		sa *= noise;
-		col += da*sa*lcol*spec.rgb;
-	}*/
-	
 	gl_FragColor.rgb = col;	
 	gl_FragColor.a = 0.0;
 }
diff --git a/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl
index b4b0d0ce9d..ef61491826 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl
@@ -11,6 +11,7 @@ uniform sampler2DRect diffuseRect;
 uniform sampler2DRect specularRect;
 uniform sampler2DRect positionMap;
 uniform sampler2DRect normalMap;
+uniform sampler2DRect lightMap;
 uniform sampler2DRect depthMap;
 uniform sampler2D	  noiseMap;
 uniform samplerCube environmentMap;
@@ -40,7 +41,7 @@ uniform float scene_light_strength;
 uniform vec3 env_mat[3];
 //uniform mat4 shadow_matrix[3];
 //uniform vec4 shadow_clip;
-//uniform mat3 ssao_effect_mat;
+uniform mat3 ssao_effect_mat;
 
 varying vec4 vary_light;
 varying vec2 vary_fragcoord;
@@ -55,9 +56,8 @@ vec3 vary_AtmosAttenuation;
 uniform mat4 inv_proj;
 uniform vec2 screen_res;
 
-vec4 getPosition(vec2 pos_screen)
-{ //get position in screen space (world units) given window coordinate and depth map
-	float depth = texture2DRect(depthMap, pos_screen.xy).a;
+vec4 getPosition_d(vec2 pos_screen, float depth)
+{
 	vec2 sc = pos_screen.xy*2.0;
 	sc /= screen_res;
 	sc -= vec2(1.0,1.0);
@@ -68,6 +68,12 @@ vec4 getPosition(vec2 pos_screen)
 	return pos;
 }
 
+vec4 getPosition(vec2 pos_screen)
+{ //get position in screen space (world units) given window coordinate and depth map
+	float depth = texture2DRect(depthMap, pos_screen.xy).a;
+	return getPosition_d(pos_screen, depth);
+}
+
 vec3 getPositionEye()
 {
 	return vary_PositionEye;
@@ -178,7 +184,17 @@ void calcAtmospherics(vec3 inPositionEye, float ambFactor) {
 	temp2.x += .25;
 	
 	//increase ambient when there are more clouds
-	vec4 tmpAmbient = ambient + (vec4(1.) - ambient) * cloud_shadow.x * 0.5;	
+	vec4 tmpAmbient = ambient + (vec4(1.) - ambient) * cloud_shadow.x * 0.5;
+	
+	/*  decrease value and saturation (that in HSV, not HSL) for occluded areas
+	 * // for HSV color/geometry used here, see http://gimp-savvy.com/BOOK/index.html?node52.html
+	 * // The following line of code performs the equivalent of:
+	 * float ambAlpha = tmpAmbient.a;
+	 * float ambValue = dot(vec3(tmpAmbient), vec3(0.577)); // projection onto <1/rt(3), 1/rt(3), 1/rt(3)>, the neutral white-black axis
+	 * vec3 ambHueSat = vec3(tmpAmbient) - vec3(ambValue);
+	 * tmpAmbient = vec4(RenderSSAOEffect.valueFactor * vec3(ambValue) + RenderSSAOEffect.saturationFactor *(1.0 - ambFactor) * ambHueSat, ambAlpha);
+	 */
+	tmpAmbient = vec4(mix(ssao_effect_mat * tmpAmbient.rgb, tmpAmbient.rgb, ambFactor), tmpAmbient.a);
 
 	//haze color
 	setAdditiveColor(
@@ -241,7 +257,8 @@ vec3 scaleSoftClip(vec3 light)
 void main() 
 {
 	vec2 tc = vary_fragcoord.xy;
-	vec3 pos = getPosition(tc).xyz;
+	float depth = texture2DRect(depthMap, tc.xy).a;
+	vec3 pos = getPosition_d(tc, depth).xyz;
 	vec3 norm = texture2DRect(normalMap, tc).xyz*2.0-1.0;
 	//vec3 nz = texture2D(noiseMap, vary_fragcoord.xy/128.0).xyz;
 	
@@ -250,23 +267,75 @@ void main()
 	vec4 diffuse = texture2DRect(diffuseRect, tc);
 	vec4 spec = texture2DRect(specularRect, vary_fragcoord.xy);
 	
-	calcAtmospherics(pos.xyz, 0.0);
+	vec2 scol_ambocc = texture2DRect(lightMap, vary_fragcoord.xy).rg;
+	float scol = max(scol_ambocc.r, diffuse.a); 
+	float ambocc = scol_ambocc.g;
+	
+	calcAtmospherics(pos.xyz, ambocc);
 	
 	vec3 col = atmosAmbient(vec3(0));
-	col += atmosAffectDirectionalLight(clamp(da, diffuse.a, 1.0));
+	col += atmosAffectDirectionalLight(max(min(da, scol), diffuse.a));
 	
 	col *= diffuse.rgb;
 	
-	if (spec.a > 0.0)
+	if (spec.a > 0.0) // specular reflection
 	{
-		vec3 ref = normalize(reflect(pos.xyz, norm.xyz));
-		float sa = dot(ref, vary_light.xyz);
-		col.rgb += vary_SunlitColor*spec.rgb*texture2D(lightFunc, vec2(sa, spec.a)).a;
+		// the old infinite-sky shiny reflection
+		//
+		vec3 refnormpersp = normalize(reflect(pos.xyz, norm.xyz));
+		float sa = dot(refnormpersp, vary_light.xyz);
+		vec3 dumbshiny = vary_SunlitColor*scol_ambocc.r*texture2D(lightFunc, vec2(sa, spec.a)).a;
+
+		/*
+		// screen-space cheap fakey reflection map
+		//
+		vec3 refnorm = normalize(reflect(vec3(0,0,-1), norm.xyz));
+		depth -= 0.5; // unbias depth
+		// first figure out where we'll make our 2D guess from
+		vec2 ref2d = (0.25 * screen_res.y) * (refnorm.xy) * abs(refnorm.z) / depth;
+		// Offset the guess source a little according to a trivial
+		// checkerboard dither function and spec.a.
+		// This is meant to be similar to sampling a blurred version
+		// of the diffuse map.  LOD would be better in that regard.
+		// The goal of the blur is to soften reflections in surfaces
+		// with low shinyness, and also to disguise our lameness.
+		float checkerboard = floor(mod(tc.x+tc.y, 2.0)); // 0.0, 1.0
+		float checkoffset = (3.0 + (7.0*(1.0-spec.a)))*(checkerboard-0.5);
+		ref2d += vec2(checkoffset, checkoffset);
+		ref2d += tc.xy; // use as offset from destination
+		// Get attributes from the 2D guess point.
+		// We average two samples of diffuse (not of anything else) per
+		// pixel to try to reduce aliasing some more.
+		vec3 refcol = 0.5 * (texture2DRect(diffuseRect, ref2d + vec2(0.0, -checkoffset)).rgb +
+				     texture2DRect(diffuseRect, ref2d + vec2(-checkoffset, 0.0)).rgb);
+		float refdepth = texture2DRect(depthMap, ref2d).a;
+		vec3 refpos = getPosition_d(ref2d, refdepth).xyz;
+		vec3 refn = normalize(texture2DRect(normalMap, ref2d).rgb * 2.0 - 1.0);
+		// figure out how appropriate our guess actually was
+		float refapprop = max(0.0, dot(-refnorm, normalize(pos - refpos)));
+		// darken reflections from points which face away from the reflected ray - our guess was a back-face
+		//refapprop *= step(dot(refnorm, refn), 0.0);
+		refapprop = min(refapprop, max(0.0, -dot(refnorm, refn))); // more conservative variant
+		// get appropriate light strength for guess-point.
+		// reflect light direction to increase the illusion that
+		// these are reflections.
+		vec3 reflight = reflect(lightnorm.xyz, norm.xyz);
+		float reflit = max(dot(refn, reflight.xyz), 0.0);
+		// apply sun color to guess-point, dampen according to inappropriateness of guess
+		float refmod = min(refapprop, reflit);
+		vec3 refprod = vary_SunlitColor * refcol.rgb * refmod;
+		vec3 ssshiny = (refprod * spec.a);
+		ssshiny *= 0.3; // dampen it even more
+		*/
+		vec3 ssshiny = vec3(0,0,0);
+
+		// add the two types of shiny together
+		col += (ssshiny + dumbshiny) * spec.rgb;
 	}
 	
 	col = atmosLighting(col);
 	col = scaleSoftClip(col);
-	
+		
 	gl_FragColor.rgb = col;
 	gl_FragColor.a = 0.0;
 }
diff --git a/indra/newview/app_settings/shaders/class1/deferred/spotLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/spotLightF.glsl
index 2a7234fd83..f320dbb400 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/spotLightF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/spotLightF.glsl
@@ -161,17 +161,6 @@ void main()
 		}
 	}
 	
-	/*if (spec.a > 0.0)
-	{
-		//vec3 ref = reflect(normalize(pos), norm);
-		float sa = dot(normalize(lv-normalize(pos)),norm);;
-		//sa = max(sa, 0.0);
-		//sa = pow(sa, 128.0 * spec.a*spec.a/dist_atten)*min(dist_atten*4.0, 1.0);
-		sa = texture2D(lightFunc, vec2(sa, spec.a)).a * min(dist_atten*4.0, 1.0);
-		sa *= noise;
-		col += da*sa*lcol*spec.rgb;
-	}*/
-	
 	gl_FragColor.rgb = col;	
 	gl_FragColor.a = 0.0;
 }
diff --git a/indra/newview/app_settings/shaders/class1/deferred/sunLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/sunLightF.glsl
index 22bdd2c7f3..56e4055c02 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/sunLightF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/sunLightF.glsl
@@ -5,196 +5,11 @@
  * $License$
  */
 
-#extension GL_ARB_texture_rectangle : enable
-
-uniform sampler2DRect depthMap;
-uniform sampler2DRect normalMap;
-uniform sampler2DRectShadow shadowMap0;
-uniform sampler2DRectShadow shadowMap1;
-uniform sampler2DRectShadow shadowMap2;
-uniform sampler2DRectShadow shadowMap3;
-uniform sampler2DRectShadow shadowMap4;
-uniform sampler2DRectShadow shadowMap5;
-uniform sampler2D noiseMap;
-
-uniform sampler2D		lightFunc;
-
-
-// Inputs
-uniform mat4 shadow_matrix[6];
-uniform vec4 shadow_clip;
-uniform float ssao_radius;
-uniform float ssao_max_radius;
-uniform float ssao_factor;
-uniform float ssao_factor_inv;
-
-varying vec2 vary_fragcoord;
-varying vec4 vary_light;
-
-uniform mat4 inv_proj;
-uniform vec2 screen_res;
-
-uniform float shadow_bias;
-uniform float shadow_offset;
-
-vec4 getPosition(vec2 pos_screen)
-{
-	float depth = texture2DRect(depthMap, pos_screen.xy).a;
-	vec2 sc = pos_screen.xy*2.0;
-	sc /= screen_res;
-	sc -= vec2(1.0,1.0);
-	vec4 ndc = vec4(sc.x, sc.y, 2.0*depth-1.0, 1.0);
-	vec4 pos = inv_proj * ndc;
-	pos /= pos.w;
-	pos.w = 1.0;
-	return pos;
-}
+//class 1, no shadow, no SSAO, should never be called
 
-//calculate decreases in ambient lighting when crowded out (SSAO)
-float calcAmbientOcclusion(vec4 pos, vec3 norm)
-{
-	vec2 kern[8];
-	// exponentially (^2) distant occlusion samples spread around origin
-	kern[0] = vec2(-1.0, 0.0) * 0.125*0.125;
-	kern[1] = vec2(1.0, 0.0) * 0.250*0.250;
-	kern[2] = vec2(0.0, 1.0) * 0.375*0.375;
-	kern[3] = vec2(0.0, -1.0) * 0.500*0.500;
-	kern[4] = vec2(0.7071, 0.7071) * 0.625*0.625;
-	kern[5] = vec2(-0.7071, -0.7071) * 0.750*0.750;
-	kern[6] = vec2(-0.7071, 0.7071) * 0.875*0.875;
-	kern[7] = vec2(0.7071, -0.7071) * 1.000*1.000;
-
-	vec2 pos_screen = vary_fragcoord.xy;
-	vec3 pos_world = pos.xyz;
-	vec2 noise_reflect = texture2D(noiseMap, vary_fragcoord.xy/128.0).xy;
-	
-	float angle_hidden = 0.0;
-	int points = 0;
-	
-	float scale = min(ssao_radius / -pos_world.z, ssao_max_radius);
-	
-	// it was found that keeping # of samples a constant was the fastest, probably due to compiler optimizations (unrolling?)
-	for (int i = 0; i < 8; i++)
-	{
-		vec2 samppos_screen = pos_screen + scale * reflect(kern[i], noise_reflect);
-		vec3 samppos_world = getPosition(samppos_screen).xyz; 
-		
-		vec3 diff = pos_world - samppos_world;
-		float dist2 = dot(diff, diff);
-		
-		// assume each sample corresponds to an occluding sphere with constant radius, constant x-sectional area
-		// --> solid angle shrinking by the square of distance
-		//radius is somewhat arbitrary, can approx with just some constant k * 1 / dist^2
-		//(k should vary inversely with # of samples, but this is taken care of later)
-		
-		//if (dot((samppos_world - 0.05*norm - pos_world), norm) > 0.0)  // -0.05*norm to shift sample point back slightly for flat surfaces
-		//	angle_hidden += min(1.0/dist2, ssao_factor_inv); // dist != 0 follows from conditional.  max of 1.0 (= ssao_factor_inv * ssao_factor)
-		angle_hidden = angle_hidden + float(dot((samppos_world - 0.05*norm - pos_world), norm) > 0.0) * min(1.0/dist2, ssao_factor_inv);
-		
-		// 'blocked' samples (significantly closer to camera relative to pos_world) are "no data", not "no occlusion" 
-		points = points + int(diff.z > -1.0);
-	}
-	
-	angle_hidden = min(ssao_factor*angle_hidden/float(points), 1.0);
-	
-	return (1.0 - (float(points != 0) * angle_hidden));
-}
+#extension GL_ARB_texture_rectangle : enable
 
 void main() 
 {
-	vec2 pos_screen = vary_fragcoord.xy;
-	
-	//try doing an unproject here
-	
-	vec4 pos = getPosition(pos_screen);
-	
-    vec3 norm = texture2DRect(normalMap, pos_screen).xyz*2.0-1.0;
-	
-	/*if (pos.z == 0.0) // do nothing for sky *FIX: REMOVE THIS IF/WHEN THE POSITION MAP IS BEING USED AS A STENCIL
-	{
-		gl_FragColor = vec4(0.0); // doesn't matter
-		return;
-	}*/
-	
-	float shadow = 1.0;
-    float dp_directional_light = max(0.0, dot(norm, vary_light.xyz));
-
-	vec4 spos = vec4(pos.xyz + norm.xyz * (-pos.z/64.0*shadow_offset+shadow_bias), 1.0);
-	
-	//vec3 debug = vec3(0,0,0);
-	
-	if (dp_directional_light == 0.0)
-	{
-		// if we know this point is facing away from the sun then we know it's in shadow without having to do a squirrelly shadow-map lookup
-		shadow = 0.0;
-	}
-	else if (spos.z > -shadow_clip.w)
-	{	
-		vec4 lpos;
-		
-		if (spos.z < -shadow_clip.z)
-		{
-			lpos = shadow_matrix[3]*spos;
-			lpos.xy *= screen_res;
-			shadow = shadow2DRectProj(shadowMap3, lpos).x;
-			shadow += max((pos.z+shadow_clip.z)/(shadow_clip.z-shadow_clip.w)*2.0-1.0, 0.0);
-		}
-		else if (spos.z < -shadow_clip.y)
-		{
-			lpos = shadow_matrix[2]*spos;
-			lpos.xy *= screen_res;
-			shadow = shadow2DRectProj(shadowMap2, lpos).x;
-		}
-		else if (spos.z < -shadow_clip.x)
-		{
-			lpos = shadow_matrix[1]*spos;
-			lpos.xy *= screen_res;
-			shadow = shadow2DRectProj(shadowMap1, lpos).x;
-		}
-		else
-		{
-			lpos = shadow_matrix[0]*spos;
-			lpos.xy *= screen_res;
-			shadow = shadow2DRectProj(shadowMap0, lpos).x;
-		}
-
-		// take the most-shadowed value out of these two:
-		//  * the blurred sun shadow in the light (shadow) map
-		//  * an unblurred dot product between the sun and this norm
-		// the goal is to err on the side of most-shadow to fill-in shadow holes and reduce artifacting
-		shadow = min(shadow, dp_directional_light);
-		
-		/*debug.r = lpos.y / (lpos.w*screen_res.y);
-		
-		lpos.xy /= lpos.w*32.0;
-		if (fract(lpos.x) < 0.1 || fract(lpos.y) < 0.1)
-		{
-			debug.gb = vec2(0.5, 0.5);
-		}
-		
-		debug += (1.0-shadow)*0.5;*/
-		
-	}
-	else
-	{
-		// more distant than the shadow map covers - just use directional shading as shadow
-		shadow = dp_directional_light;
-	}
-	
-	gl_FragColor[0] = shadow;
-	gl_FragColor[1] = calcAmbientOcclusion(pos, norm);
-	
-	//spotlight shadow 1
-	vec4 lpos = shadow_matrix[4]*spos;
-	lpos.xy *= screen_res;
-	gl_FragColor[2] = shadow2DRectProj(shadowMap4, lpos).x; 
-	
-	//spotlight shadow 2
-	lpos = shadow_matrix[5]*spos;
-	lpos.xy *= screen_res;
-	gl_FragColor[3] = shadow2DRectProj(shadowMap5, lpos).x; 
-
-	//gl_FragColor.rgb = pos.xyz;
-	//gl_FragColor.b = shadow;
-	//gl_FragColor.rgb = debug;
+	gl_FragColor = vec4(0,0,0,0);
 }
diff --git a/indra/newview/app_settings/shaders/class1/deferred/sunLightSSAOF.glsl b/indra/newview/app_settings/shaders/class1/deferred/sunLightSSAOF.glsl
new file mode 100644
index 0000000000..7450817ea7
--- /dev/null
+++ b/indra/newview/app_settings/shaders/class1/deferred/sunLightSSAOF.glsl
@@ -0,0 +1,123 @@
+/** 
+ * @file sunLightSSAOF.glsl
+ *
+ * Copyright (c) 2007-$CurrentYear$, Linden Research, Inc.
+ * $License$
+ */
+
+#extension GL_ARB_texture_rectangle : enable
+
+//class 1 -- no shadow, SSAO only
+
+uniform sampler2DRect depthMap;
+uniform sampler2DRect normalMap;
+uniform sampler2D noiseMap;
+
+uniform sampler2D		lightFunc;
+
+
+// Inputs
+uniform mat4 shadow_matrix[6];
+uniform vec4 shadow_clip;
+uniform float ssao_radius;
+uniform float ssao_max_radius;
+uniform float ssao_factor;
+uniform float ssao_factor_inv;
+
+varying vec2 vary_fragcoord;
+varying vec4 vary_light;
+
+uniform mat4 inv_proj;
+uniform vec2 screen_res;
+
+uniform float shadow_bias;
+uniform float shadow_offset;
+
+vec4 getPosition(vec2 pos_screen)
+{
+	float depth = texture2DRect(depthMap, pos_screen.xy).a;
+	vec2 sc = pos_screen.xy*2.0;
+	sc /= screen_res;
+	sc -= vec2(1.0,1.0);
+	vec4 ndc = vec4(sc.x, sc.y, 2.0*depth-1.0, 1.0);
+	vec4 pos = inv_proj * ndc;
+	pos /= pos.w;
+	pos.w = 1.0;
+	return pos;
+}
+
+//calculate decreases in ambient lighting when crowded out (SSAO)
+float calcAmbientOcclusion(vec4 pos, vec3 norm)
+{
+	float ret = 1.0;
+	
+	float dist = dot(pos.xyz,pos.xyz);
+	
+	if (dist < 64.0*64.0)
+	{
+		vec2 kern[8];
+		// exponentially (^2) distant occlusion samples spread around origin
+		kern[0] = vec2(-1.0, 0.0) * 0.125*0.125;
+		kern[1] = vec2(1.0, 0.0) * 0.250*0.250;
+		kern[2] = vec2(0.0, 1.0) * 0.375*0.375;
+		kern[3] = vec2(0.0, -1.0) * 0.500*0.500;
+		kern[4] = vec2(0.7071, 0.7071) * 0.625*0.625;
+		kern[5] = vec2(-0.7071, -0.7071) * 0.750*0.750;
+		kern[6] = vec2(-0.7071, 0.7071) * 0.875*0.875;
+		kern[7] = vec2(0.7071, -0.7071) * 1.000*1.000;
+
+		vec2 pos_screen = vary_fragcoord.xy;
+		vec3 pos_world = pos.xyz;
+		vec2 noise_reflect = texture2D(noiseMap, vary_fragcoord.xy/128.0).xy;
+		
+		float angle_hidden = 0.0;
+		int points = 0;
+		
+		float scale = min(ssao_radius / -pos_world.z, ssao_max_radius);
+		
+		// it was found that keeping # of samples a constant was the fastest, probably due to compiler optimizations (unrolling?)
+		for (int i = 0; i < 8; i++)
+		{
+			vec2 samppos_screen = pos_screen + scale * reflect(kern[i], noise_reflect);
+			vec3 samppos_world = getPosition(samppos_screen).xyz; 
+			
+			vec3 diff = pos_world - samppos_world;
+			float dist2 = dot(diff, diff);
+			
+			// assume each sample corresponds to an occluding sphere with constant radius, constant x-sectional area
+			// --> solid angle shrinking by the square of distance
+			//radius is somewhat arbitrary, can approx with just some constant k * 1 / dist^2
+			//(k should vary inversely with # of samples, but this is taken care of later)
+			
+			//if (dot((samppos_world - 0.05*norm - pos_world), norm) > 0.0)  // -0.05*norm to shift sample point back slightly for flat surfaces
+			//	angle_hidden += min(1.0/dist2, ssao_factor_inv); // dist != 0 follows from conditional.  max of 1.0 (= ssao_factor_inv * ssao_factor)
+			angle_hidden = angle_hidden + float(dot((samppos_world - 0.05*norm - pos_world), norm) > 0.0) * min(1.0/dist2, ssao_factor_inv);
+			
+			// 'blocked' samples (significantly closer to camera relative to pos_world) are "no data", not "no occlusion" 
+			points = points + int(diff.z > -1.0);
+		}
+		
+		angle_hidden = min(ssao_factor*angle_hidden/float(points), 1.0);
+		
+		ret = (1.0 - (float(points != 0) * angle_hidden));
+		ret += max((dist-32.0*32.0)/(32.0*32.0), 0.0);
+	}
+	
+	return min(ret, 1.0);
+}
+
+void main() 
+{
+	vec2 pos_screen = vary_fragcoord.xy;
+	
+	//try doing an unproject here
+	
+	vec4 pos = getPosition(pos_screen);
+	
+    vec3 norm = texture2DRect(normalMap, pos_screen).xyz*2.0-1.0;
+		
+	gl_FragColor[0] = 1.0;
+	gl_FragColor[1] = calcAmbientOcclusion(pos, norm);
+	gl_FragColor[2] = 1.0; 
+	gl_FragColor[3] = 1.0;
+}
diff --git a/indra/newview/app_settings/shaders/class1/deferred/waterF.glsl b/indra/newview/app_settings/shaders/class1/deferred/waterF.glsl
index d21575119d..ceb7e0fb56 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/waterF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/waterF.glsl
@@ -115,7 +115,7 @@ void main()
 	vec4 fb = texture2D(screenTex, distort2);
 	
 	//mix with reflection
-	// Note we actually want to use just df1, but multiplying by 0.999999 gets around and nvidia compiler bug
+	// Note we actually want to use just df1, but multiplying by 0.999999 gets around an nvidia compiler bug
 	color.rgb = mix(fb.rgb, refcol.rgb, df1 * 0.99999);
 	
 	float shadow = 1.0;
@@ -131,11 +131,11 @@ void main()
 	//color.rgb = scaleSoftClip(color.rgb);
 	//color.a = spec * sunAngle2;
 
-	//wavef.z = -0.25f;
-	wavef = normalize(wavef);
-	wavef = (norm_mat*vec4(wavef, 1.0)).xyz;
+	//wavef.z *= 0.1f;
+	//wavef = normalize(wavef);
+	vec3 screenspacewavef = (norm_mat*vec4(wavef, 1.0)).xyz;
 	
-	gl_FragData[0] = vec4(color.rgb, 0.75);
-	gl_FragData[1] = vec4(1,1,1, 0.8);
-	gl_FragData[2] = vec4(wavef*0.5+0.5, 0.0);
+	gl_FragData[0] = vec4(color.rgb, 0.5); // diffuse
+	gl_FragData[1] = vec4(0.5,0.5,0.5, 0.95); // speccolor*spec, spec
+	gl_FragData[2] = vec4(screenspacewavef*0.5+0.5, screenspacewavef.z*0.5); // normal, displace
 }
diff --git a/indra/newview/app_settings/shaders/class1/lighting/lightFuncV.glsl b/indra/newview/app_settings/shaders/class1/lighting/lightFuncV.glsl
index 3e8fdfb3e4..da49e59b89 100644
--- a/indra/newview/app_settings/shaders/class1/lighting/lightFuncV.glsl
+++ b/indra/newview/app_settings/shaders/class1/lighting/lightFuncV.glsl
@@ -12,7 +12,8 @@ float calcDirectionalLight(vec3 n, vec3 l)
 	return a;
 }
 
-float calcPointLight(vec3 v, vec3 n, vec4 lp, float la)
+
+float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float is_pointlight)
 {
 	//get light vector
 	vec3 lv = lp.xyz-v;
@@ -26,9 +27,13 @@ float calcPointLight(vec3 v, vec3 n, vec4 lp, float la)
 	//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;	
 }
 
diff --git a/indra/newview/app_settings/shaders/class2/deferred/alphaF.glsl b/indra/newview/app_settings/shaders/class2/deferred/alphaF.glsl
index ad16de6d81..665fe16b43 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/alphaF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/alphaF.glsl
@@ -29,8 +29,6 @@ varying vec3 vary_fragcoord;
 varying vec3 vary_position;
 varying vec3 vary_light;
 
-uniform float alpha_soften;
-
 uniform float shadow_bias;
 
 uniform mat4 inv_proj;
@@ -115,15 +113,6 @@ void main()
 
 	color.rgb = scaleSoftClip(color.rgb);
 
-	if (samp_pos.z != 0.0 && gl_Color.a < 1.0)
-	{
-		float dist_factor = alpha_soften;
-		float a = gl_Color.a;
-		a *= a;
-		dist_factor *= 1.0/(1.0-a);
-		color.a *= min((pos.z-samp_pos.z)*dist_factor, 1.0);
-	}
-	
 	//gl_FragColor = gl_Color;
 	gl_FragColor = color;
 	//gl_FragColor = vec4(1,0,1,1)*shadow;
diff --git a/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl b/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl
index 5991e1f3b5..1fae8c4da3 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl
@@ -9,7 +9,7 @@ vec4 calcLighting(vec3 pos, vec3 norm, vec4 color, vec4 baseCol);
 void calcAtmospherics(vec3 inPositionEye);
 
 float calcDirectionalLight(vec3 n, vec3 l);
-float calcPointLight(vec3 v, vec3 n, vec4 lp, float la);
+float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float is_pointlight);
 
 vec3 atmosAmbient(vec3 light);
 vec3 atmosAffectDirectionalLight(float lightIntensity);
@@ -42,23 +42,21 @@ void main()
 	calcAtmospherics(pos.xyz);
 
 	//vec4 color = calcLighting(pos.xyz, norm, gl_Color, vec4(0.));
-	vec4 col;
-	col.a = gl_Color.a;
-	
-	// Add windlight lights
-	col.rgb = atmosAmbient(vec3(0.));
-	col.rgb = scaleUpLight(col.rgb);
+	vec4 col = vec4(0.0, 0.0, 0.0, gl_Color.a);
 
 	// Collect normal lights (need to be divided by two, as we later multiply by 2)
-	col.rgb += gl_LightSource[2].diffuse.rgb*calcPointLight(pos.xyz, norm, gl_LightSource[2].position, gl_LightSource[2].linearAttenuation);
-	col.rgb += gl_LightSource[3].diffuse.rgb*calcPointLight(pos.xyz, norm, gl_LightSource[3].position, gl_LightSource[3].linearAttenuation);
-	col.rgb += gl_LightSource[4].diffuse.rgb*calcPointLight(pos.xyz, norm, gl_LightSource[4].position, gl_LightSource[4].linearAttenuation);
-	col.rgb += gl_LightSource[5].diffuse.rgb*calcPointLight(pos.xyz, norm, gl_LightSource[5].position, gl_LightSource[5].linearAttenuation);
- 	col.rgb += gl_LightSource[6].diffuse.rgb*calcPointLight(pos.xyz, norm, gl_LightSource[6].position, gl_LightSource[6].linearAttenuation);
- 	col.rgb += gl_LightSource[7].diffuse.rgb*calcPointLight(pos.xyz, norm, gl_LightSource[7].position, gl_LightSource[7].linearAttenuation);
+	col.rgb += gl_LightSource[2].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[2].position, gl_LightSource[2].spotDirection.xyz, gl_LightSource[2].linearAttenuation, gl_LightSource[2].specular.a);
+	col.rgb += gl_LightSource[3].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[3].position, gl_LightSource[3].spotDirection.xyz, gl_LightSource[3].linearAttenuation, gl_LightSource[3].specular.a);
+	col.rgb += gl_LightSource[4].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[4].position, gl_LightSource[4].spotDirection.xyz, gl_LightSource[4].linearAttenuation, gl_LightSource[4].specular.a);
+	col.rgb += gl_LightSource[5].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[5].position, gl_LightSource[5].spotDirection.xyz, gl_LightSource[5].linearAttenuation, gl_LightSource[5].specular.a);
+	col.rgb += gl_LightSource[6].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[6].position, gl_LightSource[6].spotDirection.xyz, gl_LightSource[6].linearAttenuation, gl_LightSource[6].specular.a);
+	col.rgb += gl_LightSource[7].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[7].position, gl_LightSource[7].spotDirection.xyz, gl_LightSource[7].linearAttenuation, gl_LightSource[7].specular.a);
 	col.rgb += gl_LightSource[1].diffuse.rgb*calcDirectionalLight(norm, gl_LightSource[1].position.xyz);
 	col.rgb = scaleDownLight(col.rgb);
 	
+	// Add windlight lights
+	col.rgb += atmosAmbient(vec3(0.));
+	
 	vary_light = gl_LightSource[0].position.xyz;
 	
 	vary_ambient = col.rgb*gl_Color.rgb;
diff --git a/indra/newview/app_settings/shaders/class2/deferred/avatarAlphaV.glsl b/indra/newview/app_settings/shaders/class2/deferred/avatarAlphaV.glsl
index a939499b17..f8dd1b7431 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/avatarAlphaV.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/avatarAlphaV.glsl
@@ -10,7 +10,7 @@ mat4 getSkinnedTransform();
 void calcAtmospherics(vec3 inPositionEye);
 
 float calcDirectionalLight(vec3 n, vec3 l);
-float calcPointLight(vec3 v, vec3 n, vec4 lp, float la);
+float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float is_pointlight);
 
 vec3 atmosAmbient(vec3 light);
 vec3 atmosAffectDirectionalLight(float lightIntensity);
@@ -53,23 +53,22 @@ void main()
 	calcAtmospherics(pos.xyz);
 
 	//vec4 color = calcLighting(pos.xyz, norm, gl_Color, vec4(0.));
-	vec4 col;
-	col.a = gl_Color.a;
-	
-	// Add windlight lights
-	col.rgb = atmosAmbient(vec3(0.));
-	col.rgb = scaleUpLight(col.rgb);
+
+	vec4 col = vec4(0.0, 0.0, 0.0, gl_Color.a);
 
 	// Collect normal lights (need to be divided by two, as we later multiply by 2)
-	col.rgb += gl_LightSource[2].diffuse.rgb*calcPointLight(pos.xyz, norm, gl_LightSource[2].position, gl_LightSource[2].linearAttenuation);
-	col.rgb += gl_LightSource[3].diffuse.rgb*calcPointLight(pos.xyz, norm, gl_LightSource[3].position, gl_LightSource[3].linearAttenuation);
-	col.rgb += gl_LightSource[4].diffuse.rgb*calcPointLight(pos.xyz, norm, gl_LightSource[4].position, gl_LightSource[4].linearAttenuation);
-	col.rgb += gl_LightSource[5].diffuse.rgb*calcPointLight(pos.xyz, norm, gl_LightSource[5].position, gl_LightSource[5].linearAttenuation);
- 	col.rgb += gl_LightSource[6].diffuse.rgb*calcPointLight(pos.xyz, norm, gl_LightSource[6].position, gl_LightSource[6].linearAttenuation);
- 	col.rgb += gl_LightSource[7].diffuse.rgb*calcPointLight(pos.xyz, norm, gl_LightSource[7].position, gl_LightSource[7].linearAttenuation);
+	col.rgb += gl_LightSource[2].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[2].position, gl_LightSource[2].spotDirection.xyz, gl_LightSource[2].linearAttenuation, gl_LightSource[2].specular.a);
+	col.rgb += gl_LightSource[3].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[3].position, gl_LightSource[3].spotDirection.xyz, gl_LightSource[3].linearAttenuation, gl_LightSource[3].specular.a);
+	col.rgb += gl_LightSource[4].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[4].position, gl_LightSource[4].spotDirection.xyz, gl_LightSource[4].linearAttenuation, gl_LightSource[4].specular.a);
+	col.rgb += gl_LightSource[5].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[5].position, gl_LightSource[5].spotDirection.xyz, gl_LightSource[5].linearAttenuation, gl_LightSource[5].specular.a);
+	col.rgb += gl_LightSource[6].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[6].position, gl_LightSource[6].spotDirection.xyz, gl_LightSource[6].linearAttenuation, gl_LightSource[6].specular.a);
+	col.rgb += gl_LightSource[7].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[7].position, gl_LightSource[7].spotDirection.xyz, gl_LightSource[7].linearAttenuation, gl_LightSource[7].specular.a);
 	col.rgb += gl_LightSource[1].diffuse.rgb*calcDirectionalLight(norm, gl_LightSource[1].position.xyz);
 	col.rgb = scaleDownLight(col.rgb);
 	
+	// Add windlight lights
+	col.rgb += atmosAmbient(vec3(0.));
+	
 	vary_ambient = col.rgb*gl_Color.rgb;
 	vary_directional = gl_Color.rgb*atmosAffectDirectionalLight(max(calcDirectionalLight(norm, gl_LightSource[0].position.xyz), (1.0-gl_Color.a)*(1.0-gl_Color.a)));
 	
diff --git a/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl
index 651959413c..5308e5bb1e 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl
@@ -43,6 +43,52 @@ uniform vec2 screen_res;
 
 uniform mat4 inv_proj;
 
+vec4 texture2DLodSpecular(sampler2D projectionMap, vec2 tc, float lod)
+{
+	vec4 ret = texture2DLod(projectionMap, tc, lod);
+	
+	vec2 dist = tc-vec2(0.5);
+	
+	float det = max(1.0-lod/(proj_lod*0.5), 0.0);
+	
+	float d = dot(dist,dist);
+		
+	ret *= min(clamp((0.25-d)/0.25, 0.0, 1.0)+det, 1.0);
+	
+	return ret;
+}
+
+vec4 texture2DLodDiffuse(sampler2D projectionMap, vec2 tc, float lod)
+{
+	vec4 ret = texture2DLod(projectionMap, tc, lod);
+	
+	vec2 dist = vec2(0.5) - abs(tc-vec2(0.5));
+	
+	float det = min(lod/(proj_lod*0.5), 1.0);
+	
+	float d = min(dist.x, dist.y);
+	
+	float edge = 0.25*det;
+		
+	ret *= clamp(d/edge, 0.0, 1.0);
+	
+	return ret;
+}
+
+vec4 texture2DLodAmbient(sampler2D projectionMap, vec2 tc, float lod)
+{
+	vec4 ret = texture2DLod(projectionMap, tc, lod);
+	
+	vec2 dist = tc-vec2(0.5);
+	
+	float d = dot(dist,dist);
+		
+	ret *= min(clamp((0.25-d)/0.25, 0.0, 1.0), 1.0);
+	
+	return ret;
+}
+
+
 vec4 getPosition(vec2 pos_screen)
 {
 	float depth = texture2DRect(depthMap, pos_screen.xy).a;
@@ -126,7 +172,7 @@ void main()
 			float diff = clamp((l_dist-proj_focus)/proj_range, 0.0, 1.0);
 			float lod = diff * proj_lod;
 			
-			vec4 plcol = texture2DLod(projectionMap, proj_tc.xy, lod);
+			vec4 plcol = texture2DLodDiffuse(projectionMap, proj_tc.xy, lod);
 		
 			vec3 lcol = gl_Color.rgb * plcol.rgb * plcol.a;
 			
@@ -137,7 +183,7 @@ void main()
 		}
 		
 		//float diff = clamp((proj_range-proj_focus)/proj_range, 0.0, 1.0);
-		vec4 amb_plcol = texture2DLod(projectionMap, proj_tc.xy, proj_ambient_lod);
+		vec4 amb_plcol = texture2DLodAmbient(projectionMap, proj_tc.xy, proj_lod);
 							
 		amb_da += (da*da*0.5+0.5)*proj_ambiance;
 				
@@ -167,22 +213,23 @@ void main()
 			if (stc.z > 0.0)
 			{
 				stc.xy /= stc.w;
-					
+
+				float fatten = clamp(spec.a*spec.a+spec.a*0.5, 0.25, 1.0);
+				
+				stc.xy = (stc.xy - vec2(0.5)) * fatten + vec2(0.5);
+								
 				if (stc.x < 1.0 &&
 					stc.y < 1.0 &&
 					stc.x > 0.0 &&
 					stc.y > 0.0)
 				{
-					vec4 scol = texture2DLod(projectionMap, stc.xy, proj_lod-spec.a*proj_lod);
+					vec4 scol = texture2DLodSpecular(projectionMap, stc.xy, proj_lod-spec.a*proj_lod);
 					col += dist_atten*scol.rgb*gl_Color.rgb*scol.a*spec.rgb*shadow;
 				}
 			}
 		}
 	}
 	
-	//attenuate point light contribution by SSAO component
-	col *= texture2DRect(lightMap, frag.xy).g;
-	
 	gl_FragColor.rgb = col;	
 	gl_FragColor.a = 0.0;
 }
diff --git a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
index 531f7376a3..bc84720b86 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
@@ -11,6 +11,7 @@ uniform sampler2DRect diffuseRect;
 uniform sampler2DRect specularRect;
 uniform sampler2DRect normalMap;
 uniform sampler2DRect lightMap;
+uniform sampler2DRect depthMap;
 uniform sampler2D	  noiseMap;
 uniform samplerCube environmentMap;
 uniform sampler2D	  lightFunc;
@@ -41,7 +42,6 @@ uniform vec3 env_mat[3];
 uniform vec4 shadow_clip;
 uniform mat3 ssao_effect_mat;
 
-uniform sampler2DRect depthMap;
 uniform mat4 inv_proj;
 uniform vec2 screen_res;
 
@@ -55,9 +55,8 @@ vec3 vary_AmblitColor;
 vec3 vary_AdditiveColor;
 vec3 vary_AtmosAttenuation;
 
-vec4 getPosition(vec2 pos_screen)
-{ //get position in screen space (world units) given window coordinate and depth map
-	float depth = texture2DRect(depthMap, pos_screen.xy).a;
+vec4 getPosition_d(vec2 pos_screen, float depth)
+{
 	vec2 sc = pos_screen.xy*2.0;
 	sc /= screen_res;
 	sc -= vec2(1.0,1.0);
@@ -68,6 +67,12 @@ vec4 getPosition(vec2 pos_screen)
 	return pos;
 }
 
+vec4 getPosition(vec2 pos_screen)
+{ //get position in screen space (world units) given window coordinate and depth map
+	float depth = texture2DRect(depthMap, pos_screen.xy).a;
+	return getPosition_d(pos_screen, depth);
+}
+
 vec3 getPositionEye()
 {
 	return vary_PositionEye;
@@ -251,7 +256,8 @@ vec3 scaleSoftClip(vec3 light)
 void main() 
 {
 	vec2 tc = vary_fragcoord.xy;
-	vec3 pos = getPosition(tc).xyz;
+	float depth = texture2DRect(depthMap, tc.xy).a;
+	vec3 pos = getPosition_d(tc, depth).xyz;
 	vec3 norm = texture2DRect(normalMap, tc).xyz*2.0-1.0;
 	//vec3 nz = texture2D(noiseMap, vary_fragcoord.xy/128.0).xyz;
 	
@@ -271,24 +277,65 @@ void main()
 	
 	col *= diffuse.rgb;
 	
-	if (spec.a > 0.0)
+	if (spec.a > 0.0) // specular reflection
 	{
-		vec3 ref = normalize(reflect(pos.xyz, norm.xyz));
-		float sa = dot(ref, vary_light.xyz);
-		col.rgb += vary_SunlitColor*scol*spec.rgb*texture2D(lightFunc, vec2(sa, spec.a)).a;
+		// the old infinite-sky shiny reflection
+		//
+		vec3 refnormpersp = normalize(reflect(pos.xyz, norm.xyz));
+		float sa = dot(refnormpersp, vary_light.xyz);
+		vec3 dumbshiny = vary_SunlitColor*scol_ambocc.r*texture2D(lightFunc, vec2(sa, spec.a)).a;
+
+		/*
+		// screen-space cheap fakey reflection map
+		//
+		vec3 refnorm = normalize(reflect(vec3(0,0,-1), norm.xyz));
+		depth -= 0.5; // unbias depth
+		// first figure out where we'll make our 2D guess from
+		vec2 ref2d = (0.25 * screen_res.y) * (refnorm.xy) * abs(refnorm.z) / depth;
+		// Offset the guess source a little according to a trivial
+		// checkerboard dither function and spec.a.
+		// This is meant to be similar to sampling a blurred version
+		// of the diffuse map.  LOD would be better in that regard.
+		// The goal of the blur is to soften reflections in surfaces
+		// with low shinyness, and also to disguise our lameness.
+		float checkerboard = floor(mod(tc.x+tc.y, 2.0)); // 0.0, 1.0
+		float checkoffset = (3.0 + (7.0*(1.0-spec.a)))*(checkerboard-0.5);
+		ref2d += vec2(checkoffset, checkoffset);
+		ref2d += tc.xy; // use as offset from destination
+		// Get attributes from the 2D guess point.
+		// We average two samples of diffuse (not of anything else) per
+		// pixel to try to reduce aliasing some more.
+		vec3 refcol = 0.5 * (texture2DRect(diffuseRect, ref2d + vec2(0.0, -checkoffset)).rgb +
+				     texture2DRect(diffuseRect, ref2d + vec2(-checkoffset, 0.0)).rgb);
+		float refdepth = texture2DRect(depthMap, ref2d).a;
+		vec3 refpos = getPosition_d(ref2d, refdepth).xyz;
+		float refshad = texture2DRect(lightMap, ref2d).r;
+		vec3 refn = normalize(texture2DRect(normalMap, ref2d).rgb * 2.0 - 1.0);
+		// figure out how appropriate our guess actually was
+		float refapprop = max(0.0, dot(-refnorm, normalize(pos - refpos)));
+		// darken reflections from points which face away from the reflected ray - our guess was a back-face
+		//refapprop *= step(dot(refnorm, refn), 0.0);
+		refapprop = min(refapprop, max(0.0, -dot(refnorm, refn))); // more conservative variant
+		// get appropriate light strength for guess-point
+		// reflect light direction to increase the illusion that
+		// these are reflections.
+		vec3 reflight = reflect(lightnorm.xyz, norm.xyz);
+		float reflit = min(max(dot(refn, reflight.xyz), 0.0), refshad);
+		// apply sun color to guess-point, dampen according to inappropriateness of guess
+		float refmod = min(refapprop, reflit);
+		vec3 refprod = vary_SunlitColor * refcol.rgb * refmod;
+		vec3 ssshiny = (refprod * spec.a);
+		ssshiny *= 0.3; // dampen it even more
+		*/
+		vec3 ssshiny = vec3(0,0,0);
+
+		// add the two types of shiny together
+		col += (ssshiny + dumbshiny) * spec.rgb;
 	}
 	
 	col = atmosLighting(col);
 	col = scaleSoftClip(col);
 		
 	gl_FragColor.rgb = col;
-	
-	//gl_FragColor.rgb = gi_col.rgb;
 	gl_FragColor.a = 0.0;
-	
-	//gl_FragColor.rg = scol_ambocc.rg;
-	//gl_FragColor.rgb = texture2DRect(lightMap, vary_fragcoord.xy).rgb;
-	//gl_FragColor.rgb = norm.rgb*0.5+0.5;
-	//gl_FragColor.rgb = vec3(ambocc);
-	//gl_FragColor.rgb = vec3(scol);
 }
diff --git a/indra/newview/app_settings/shaders/class2/deferred/spotLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/spotLightF.glsl
index d6534083cf..eeaecc157f 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/spotLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/spotLightF.glsl
@@ -179,21 +179,6 @@ void main()
 		}
 	}
 	
-	/*if (spec.a > 0.0)
-	{
-		//vec3 ref = reflect(normalize(pos), norm);
-		float sa = dot(normalize(lv-normalize(pos)),norm);;
-		//sa = max(sa, 0.0);
-		//sa = pow(sa, 128.0 * spec.a*spec.a/dist_atten)*min(dist_atten*4.0, 1.0);
-		sa = texture2D(lightFunc, vec2(sa, spec.a)).a * min(dist_atten*4.0, 1.0);
-		sa *= noise;
-		col += da*sa*lcol*spec.rgb;
-	}*/
-	
-	//attenuate point light contribution by SSAO component
-	col *= texture2DRect(lightMap, frag.xy).g;
-	
-
 	gl_FragColor.rgb = col;	
 	gl_FragColor.a = 0.0;
 }
diff --git a/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl
index a0026edcd2..46db3c990c 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl
@@ -7,6 +7,8 @@
 
 #extension GL_ARB_texture_rectangle : enable
 
+//class 2, shadows, no SSAO
+
 uniform sampler2DRect depthMap;
 uniform sampler2DRect normalMap;
 uniform sampler2DRectShadow shadowMap0;
@@ -39,6 +41,9 @@ uniform vec2 proj_shadow_res;
 uniform float shadow_bias;
 uniform float shadow_offset;
 
+uniform float spot_shadow_bias;
+uniform float spot_shadow_offset;
+
 vec4 getPosition(vec2 pos_screen)
 {
 	float depth = texture2DRect(depthMap, pos_screen.xy).a;
@@ -52,56 +57,6 @@ vec4 getPosition(vec2 pos_screen)
 	return pos;
 }
 
-//calculate decreases in ambient lighting when crowded out (SSAO)
-float calcAmbientOcclusion(vec4 pos, vec3 norm)
-{
-	vec2 kern[8];
-	// exponentially (^2) distant occlusion samples spread around origin
-	kern[0] = vec2(-1.0, 0.0) * 0.125*0.125;
-	kern[1] = vec2(1.0, 0.0) * 0.250*0.250;
-	kern[2] = vec2(0.0, 1.0) * 0.375*0.375;
-	kern[3] = vec2(0.0, -1.0) * 0.500*0.500;
-	kern[4] = vec2(0.7071, 0.7071) * 0.625*0.625;
-	kern[5] = vec2(-0.7071, -0.7071) * 0.750*0.750;
-	kern[6] = vec2(-0.7071, 0.7071) * 0.875*0.875;
-	kern[7] = vec2(0.7071, -0.7071) * 1.000*1.000;
-
-	vec2 pos_screen = vary_fragcoord.xy;
-	vec3 pos_world = pos.xyz;
-	vec2 noise_reflect = texture2D(noiseMap, vary_fragcoord.xy/128.0).xy;
-	
-	float angle_hidden = 0.0;
-	int points = 0;
-	
-	float scale = min(ssao_radius / -pos_world.z, ssao_max_radius);
-	
-	// it was found that keeping # of samples a constant was the fastest, probably due to compiler optimizations (unrolling?)
-	for (int i = 0; i < 8; i++)
-	{
-		vec2 samppos_screen = pos_screen + scale * reflect(kern[i], noise_reflect);
-		vec3 samppos_world = getPosition(samppos_screen).xyz; 
-		
-		vec3 diff = pos_world - samppos_world;
-		float dist2 = dot(diff, diff);
-		
-		// assume each sample corresponds to an occluding sphere with constant radius, constant x-sectional area
-		// --> solid angle shrinking by the square of distance
-		//radius is somewhat arbitrary, can approx with just some constant k * 1 / dist^2
-		//(k should vary inversely with # of samples, but this is taken care of later)
-		
-		//if (dot((samppos_world - 0.05*norm - pos_world), norm) > 0.0)  // -0.05*norm to shift sample point back slightly for flat surfaces
-		//	angle_hidden += min(1.0/dist2, ssao_factor_inv); // dist != 0 follows from conditional.  max of 1.0 (= ssao_factor_inv * ssao_factor)
-		angle_hidden = angle_hidden + float(dot((samppos_world - 0.05*norm - pos_world), norm) > 0.0) * min(1.0/dist2, ssao_factor_inv);
-		
-		// 'blocked' samples (significantly closer to camera relative to pos_world) are "no data", not "no occlusion" 
-		points = points + int(diff.z > -1.0);
-	}
-	
-	angle_hidden = min(ssao_factor*angle_hidden/float(points), 1.0);
-	
-	return (1.0 - (float(points != 0) * angle_hidden));
-}
-
 float pcfShadow(sampler2DRectShadow shadowMap, vec4 stc, float scl)
 {
 	stc.xyz /= stc.w;
@@ -123,7 +78,7 @@ float pcfShadow(sampler2DRectShadow shadowMap, vec4 stc, float scl)
 float pcfShadow(sampler2DShadow shadowMap, vec4 stc, float scl)
 {
 	stc.xyz /= stc.w;
-	stc.z += shadow_bias*scl;
+	stc.z += spot_shadow_bias*scl;
 	
 	float cs = shadow2D(shadowMap, stc.xyz).x;
 	float shadow = cs;
@@ -134,8 +89,7 @@ float pcfShadow(sampler2DShadow shadowMap, vec4 stc, float scl)
 	shadow += max(shadow2D(shadowMap, stc.xyz+vec3(off.x, -off.y, 0.0)).x, cs);
 	shadow += max(shadow2D(shadowMap, stc.xyz+vec3(-off.x, off.y, 0.0)).x, cs);
 	shadow += max(shadow2D(shadowMap, stc.xyz+vec3(-off.x, -off.y, 0.0)).x, cs);
-	
-			
+				
 	return shadow/5.0;
 	
 	//return shadow;
@@ -149,7 +103,9 @@ void main()
 	
 	vec4 pos = getPosition(pos_screen);
 	
-    vec3 norm = texture2DRect(normalMap, pos_screen).xyz*2.0-1.0;
+	vec4 nmap4 = texture2DRect(normalMap, pos_screen);
+	float displace = nmap4.w;
+	vec3 norm = nmap4.xyz*2.0-1.0;
 	
 	/*if (pos.z == 0.0) // do nothing for sky *FIX: REMOVE THIS IF/WHEN THE POSITION MAP IS BEING USED AS A STENCIL
 	{
@@ -158,9 +114,12 @@ void main()
 	}*/
 	
 	float shadow = 1.0;
-    float dp_directional_light = max(0.0, dot(norm, vary_light.xyz));
+	float dp_directional_light = max(0.0, dot(norm, vary_light.xyz));
 
-	vec4 spos = vec4(pos.xyz + vary_light.xyz * (1.0-dp_directional_light)*shadow_offset, 1.0);
+	vec3 shadow_pos = pos.xyz + displace*norm;
+	vec3 offset = vary_light.xyz * (1.0-dp_directional_light);
+	
+	vec4 spos = vec4(shadow_pos+offset*shadow_offset, 1.0);
 	
 	if (spos.z > -shadow_clip.w)
 	{	
@@ -220,15 +179,17 @@ void main()
 	}
 	
 	gl_FragColor[0] = shadow;
-	gl_FragColor[1] = calcAmbientOcclusion(pos, norm);
+	gl_FragColor[1] = 1.0;
+	
+	spos.xyz = shadow_pos+offset*spot_shadow_offset;
 	
 	//spotlight shadow 1
 	vec4 lpos = shadow_matrix[4]*spos;
-	gl_FragColor[2] = pcfShadow(shadowMap4, lpos, 0.1).x; 
+	gl_FragColor[2] = pcfShadow(shadowMap4, lpos, 0.8); 
 	
 	//spotlight shadow 2
 	lpos = shadow_matrix[5]*spos;
-	gl_FragColor[3] = pcfShadow(shadowMap5, lpos, 0.1).x; 
+	gl_FragColor[3] = pcfShadow(shadowMap5, lpos, 0.8); 
 
 	//gl_FragColor.rgb = pos.xyz;
 	//gl_FragColor.b = shadow;
diff --git a/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl b/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl
new file mode 100644
index 0000000000..a0dfc96f14
--- /dev/null
+++ b/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl
@@ -0,0 +1,256 @@
+/** 
+ * @file sunLightSSAOF.glsl
+ *
+ * Copyright (c) 2007-$CurrentYear$, Linden Research, Inc.
+ * $License$
+ */
+
+#extension GL_ARB_texture_rectangle : enable
+
+//class 2 -- shadows and SSAO
+
+uniform sampler2DRect depthMap;
+uniform sampler2DRect normalMap;
+uniform sampler2DRectShadow shadowMap0;
+uniform sampler2DRectShadow shadowMap1;
+uniform sampler2DRectShadow shadowMap2;
+uniform sampler2DRectShadow shadowMap3;
+uniform sampler2DShadow shadowMap4;
+uniform sampler2DShadow shadowMap5;
+uniform sampler2D noiseMap;
+
+uniform sampler2D		lightFunc;
+
+// Inputs
+uniform mat4 shadow_matrix[6];
+uniform vec4 shadow_clip;
+uniform float ssao_radius;
+uniform float ssao_max_radius;
+uniform float ssao_factor;
+uniform float ssao_factor_inv;
+
+varying vec2 vary_fragcoord;
+varying vec4 vary_light;
+
+uniform mat4 inv_proj;
+uniform vec2 screen_res;
+uniform vec2 shadow_res;
+uniform vec2 proj_shadow_res;
+
+uniform float shadow_bias;
+uniform float shadow_offset;
+
+uniform float spot_shadow_bias;
+uniform float spot_shadow_offset;
+
+vec4 getPosition(vec2 pos_screen)
+{
+	float depth = texture2DRect(depthMap, pos_screen.xy).a;
+	vec2 sc = pos_screen.xy*2.0;
+	sc /= screen_res;
+	sc -= vec2(1.0,1.0);
+	vec4 ndc = vec4(sc.x, sc.y, 2.0*depth-1.0, 1.0);
+	vec4 pos = inv_proj * ndc;
+	pos /= pos.w;
+	pos.w = 1.0;
+	return pos;
+}
+
+//calculate decreases in ambient lighting when crowded out (SSAO)
+float calcAmbientOcclusion(vec4 pos, vec3 norm)
+{
+	float ret = 1.0;
+	
+	float dist = dot(pos.xyz,pos.xyz);
+	
+	if (dist < 64.0*64.0)
+	{
+		vec2 kern[8];
+		// exponentially (^2) distant occlusion samples spread around origin
+		kern[0] = vec2(-1.0, 0.0) * 0.125*0.125;
+		kern[1] = vec2(1.0, 0.0) * 0.250*0.250;
+		kern[2] = vec2(0.0, 1.0) * 0.375*0.375;
+		kern[3] = vec2(0.0, -1.0) * 0.500*0.500;
+		kern[4] = vec2(0.7071, 0.7071) * 0.625*0.625;
+		kern[5] = vec2(-0.7071, -0.7071) * 0.750*0.750;
+		kern[6] = vec2(-0.7071, 0.7071) * 0.875*0.875;
+		kern[7] = vec2(0.7071, -0.7071) * 1.000*1.000;
+
+		vec2 pos_screen = vary_fragcoord.xy;
+		vec3 pos_world = pos.xyz;
+		vec2 noise_reflect = texture2D(noiseMap, vary_fragcoord.xy/128.0).xy;
+		
+		float angle_hidden = 0.0;
+		int points = 0;
+		
+		float scale = min(ssao_radius / -pos_world.z, ssao_max_radius);
+		
+		// it was found that keeping # of samples a constant was the fastest, probably due to compiler optimizations (unrolling?)
+		for (int i = 0; i < 8; i++)
+		{
+			vec2 samppos_screen = pos_screen + scale * reflect(kern[i], noise_reflect);
+			vec3 samppos_world = getPosition(samppos_screen).xyz; 
+			
+			vec3 diff = pos_world - samppos_world;
+			float dist2 = dot(diff, diff);
+			
+			// assume each sample corresponds to an occluding sphere with constant radius, constant x-sectional area
+			// --> solid angle shrinking by the square of distance
+			//radius is somewhat arbitrary, can approx with just some constant k * 1 / dist^2
+			//(k should vary inversely with # of samples, but this is taken care of later)
+			
+			//if (dot((samppos_world - 0.05*norm - pos_world), norm) > 0.0)  // -0.05*norm to shift sample point back slightly for flat surfaces
+			//	angle_hidden += min(1.0/dist2, ssao_factor_inv); // dist != 0 follows from conditional.  max of 1.0 (= ssao_factor_inv * ssao_factor)
+			angle_hidden = angle_hidden + float(dot((samppos_world - 0.05*norm - pos_world), norm) > 0.0) * min(1.0/dist2, ssao_factor_inv);
+			
+			// 'blocked' samples (significantly closer to camera relative to pos_world) are "no data", not "no occlusion" 
+			points = points + int(diff.z > -1.0);
+		}
+		
+		angle_hidden = min(ssao_factor*angle_hidden/float(points), 1.0);
+		
+		ret = (1.0 - (float(points != 0) * angle_hidden));
+		ret += max((dist-32.0*32.0)/(32.0*32.0), 0.0);
+	}
+	
+	return min(ret, 1.0);
+}
+
+float pcfShadow(sampler2DRectShadow shadowMap, vec4 stc, float scl)
+{
+	stc.xyz /= stc.w;
+	stc.z += shadow_bias*scl;
+	
+	float cs = shadow2DRect(shadowMap, stc.xyz).x;
+	float shadow = cs;
+
+	shadow += max(shadow2DRect(shadowMap, stc.xyz+vec3(1.5, 1.5, 0.0)).x, cs);
+	shadow += max(shadow2DRect(shadowMap, stc.xyz+vec3(1.5, -1.5, 0.0)).x, cs);
+	shadow += max(shadow2DRect(shadowMap, stc.xyz+vec3(-1.5, 1.5, 0.0)).x, cs);
+	shadow += max(shadow2DRect(shadowMap, stc.xyz+vec3(-1.5, -1.5, 0.0)).x, cs);
+			
+	return shadow/5.0;
+	
+	//return shadow;
+}
+
+float pcfShadow(sampler2DShadow shadowMap, vec4 stc, float scl)
+{
+	stc.xyz /= stc.w;
+	stc.z += spot_shadow_bias*scl;
+	
+	float cs = shadow2D(shadowMap, stc.xyz).x;
+	float shadow = cs;
+
+	vec2 off = 1.5/proj_shadow_res;
+	
+	shadow += max(shadow2D(shadowMap, stc.xyz+vec3(off.x, off.y, 0.0)).x, cs);
+	shadow += max(shadow2D(shadowMap, stc.xyz+vec3(off.x, -off.y, 0.0)).x, cs);
+	shadow += max(shadow2D(shadowMap, stc.xyz+vec3(-off.x, off.y, 0.0)).x, cs);
+	shadow += max(shadow2D(shadowMap, stc.xyz+vec3(-off.x, -off.y, 0.0)).x, cs);
+	
+			
+	return shadow/5.0;
+	
+	//return shadow;
+}
+
+void main() 
+{
+	vec2 pos_screen = vary_fragcoord.xy;
+	
+	//try doing an unproject here
+	
+	vec4 pos = getPosition(pos_screen);
+	
+	vec4 nmap4 = texture2DRect(normalMap, pos_screen);
+	float displace = nmap4.w;
+	vec3 norm = nmap4.xyz*2.0-1.0;
+	
+	/*if (pos.z == 0.0) // do nothing for sky *FIX: REMOVE THIS IF/WHEN THE POSITION MAP IS BEING USED AS A STENCIL
+	{
+		gl_FragColor = vec4(0.0); // doesn't matter
+		return;
+	}*/
+	
+	float shadow = 1.0;
+	float dp_directional_light = max(0.0, dot(norm, vary_light.xyz));
+
+	vec3 shadow_pos = pos.xyz + displace*norm;
+	vec3 offset = vary_light.xyz * (1.0-dp_directional_light);
+	
+	vec4 spos = vec4(shadow_pos+offset*shadow_offset, 1.0);
+	
+	if (spos.z > -shadow_clip.w)
+	{	
+		if (dp_directional_light == 0.0)
+		{
+			// if we know this point is facing away from the sun then we know it's in shadow without having to do a squirrelly shadow-map lookup
+			shadow = 0.0;
+		}
+		else
+		{
+			vec4 lpos;
+			
+			if (spos.z < -shadow_clip.z)
+			{
+				lpos = shadow_matrix[3]*spos;
+				lpos.xy *= shadow_res;
+				shadow = pcfShadow(shadowMap3, lpos, 0.25);
+				shadow += max((pos.z+shadow_clip.z)/(shadow_clip.z-shadow_clip.w)*2.0-1.0, 0.0);
+			}
+			else if (spos.z < -shadow_clip.y)
+			{
+				lpos = shadow_matrix[2]*spos;
+				lpos.xy *= shadow_res;
+				shadow = pcfShadow(shadowMap2, lpos, 0.5);
+			}
+			else if (spos.z < -shadow_clip.x)
+			{
+				lpos = shadow_matrix[1]*spos;
+				lpos.xy *= shadow_res;
+				shadow = pcfShadow(shadowMap1, lpos, 0.75);
+			}
+			else
+			{
+				lpos = shadow_matrix[0]*spos;
+				lpos.xy *= shadow_res;
+				shadow = pcfShadow(shadowMap0, lpos, 1.0);
+			}
+		
+			// take the most-shadowed value out of these two:
+			//  * the blurred sun shadow in the light (shadow) map
+			//  * an unblurred dot product between the sun and this norm
+			// the goal is to err on the side of most-shadow to fill-in shadow holes and reduce artifacting
+			shadow = min(shadow, dp_directional_light);
+			
+			//lpos.xy /= lpos.w*32.0;
+			//if (fract(lpos.x) < 0.1 || fract(lpos.y) < 0.1)
+			//{
+			//	shadow = 0.0;
+			//}
+			
+		}
+	}
+	else
+	{
+		// more distant than the shadow map covers
+		shadow = 1.0;
+	}
+	
+	gl_FragColor[0] = shadow;
+	gl_FragColor[1] = calcAmbientOcclusion(pos, norm);
+	
+	spos.xyz = shadow_pos+offset*spot_shadow_offset;
+	
+	//spotlight shadow 1
+	vec4 lpos = shadow_matrix[4]*spos;
+	gl_FragColor[2] = pcfShadow(shadowMap4, lpos, 0.8); 
+	
+	//spotlight shadow 2
+	lpos = shadow_matrix[5]*spos;
+	gl_FragColor[3] = pcfShadow(shadowMap5, lpos, 0.8); 
+
+	//gl_FragColor.rgb = pos.xyz;
+	//gl_FragColor.b = shadow;
+}
diff --git a/indra/newview/app_settings/shaders/class2/lighting/sumLightsV.glsl b/indra/newview/app_settings/shaders/class2/lighting/sumLightsV.glsl
index f4c59734a4..19800d96dc 100644
--- a/indra/newview/app_settings/shaders/class2/lighting/sumLightsV.glsl
+++ b/indra/newview/app_settings/shaders/class2/lighting/sumLightsV.glsl
@@ -6,7 +6,7 @@
  */
 
 float calcDirectionalLight(vec3 n, vec3 l);
-float calcPointLight(vec3 v, vec3 n, vec4 lp, float la);
+float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float is_pointlight);
 
 vec3 atmosAmbient(vec3 light);
 vec3 atmosAffectDirectionalLight(float lightIntensity);
@@ -18,9 +18,10 @@ vec4 sumLights(vec3 pos, vec3 norm, vec4 color, vec4 baseLight)
 	
 	// Collect normal lights (need to be divided by two, as we later multiply by 2)
 	col.rgb += gl_LightSource[1].diffuse.rgb * calcDirectionalLight(norm, gl_LightSource[1].position.xyz);
-	col.rgb += gl_LightSource[2].diffuse.rgb * calcPointLight(pos, norm, gl_LightSource[2].position, gl_LightSource[2].linearAttenuation);
-	col.rgb += gl_LightSource[3].diffuse.rgb * calcPointLight(pos, norm, gl_LightSource[3].position, gl_LightSource[3].linearAttenuation);
-	//col.rgb += gl_LightSource[4].diffuse.rgb * calcPointLight(pos, norm, gl_LightSource[4].position, gl_LightSource[4].linearAttenuation);
+
+	col.rgb += gl_LightSource[2].diffuse.rgb * calcPointLightOrSpotLight(pos, norm, gl_LightSource[2].position, gl_LightSource[2].spotDirection.xyz, gl_LightSource[2].linearAttenuation, gl_LightSource[2].specular.a);
+	col.rgb += gl_LightSource[3].diffuse.rgb * calcPointLightOrSpotLight(pos, norm, gl_LightSource[3].position, gl_LightSource[3].spotDirection.xyz, gl_LightSource[3].linearAttenuation, gl_LightSource[3].specular.a);
+	//col.rgb += gl_LightSource[4].diffuse.rgb * calcPointLightOrSpotLight(pos, norm, gl_LightSource[4].position, gl_LightSource[4].spotDirection.xyz, gl_LightSource[4].linearAttenuation, gl_LightSource[4].specular.a);
 	col.rgb = scaleDownLight(col.rgb);
 
 	// Add windlight lights
diff --git a/indra/newview/app_settings/shaders/class3/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class3/deferred/softenLightF.glsl
index 96a083b522..5298079af7 100644
--- a/indra/newview/app_settings/shaders/class3/deferred/softenLightF.glsl
+++ b/indra/newview/app_settings/shaders/class3/deferred/softenLightF.glsl
@@ -56,9 +56,8 @@ vec3 vary_AdditiveColor;
 vec3 vary_AtmosAttenuation;
 uniform float gi_ambiance;
 
-vec4 getPosition(vec2 pos_screen)
-{ //get position in screen space (world units) given window coordinate and depth map
-	float depth = texture2DRect(depthMap, pos_screen.xy).a;
+vec4 getPosition_d(vec2 pos_screen, float depth)
+{
 	vec2 sc = pos_screen.xy*2.0;
 	sc /= screen_res;
 	sc -= vec2(1.0,1.0);
@@ -69,6 +68,12 @@ vec4 getPosition(vec2 pos_screen)
 	return pos;
 }
 
+vec4 getPosition(vec2 pos_screen)
+{ //get position in screen space (world units) given window coordinate and depth map
+	float depth = texture2DRect(depthMap, pos_screen.xy).a;
+	return getPosition_d(pos_screen, depth);
+}
+
 vec3 getPositionEye()
 {
 	return vary_PositionEye;
@@ -252,7 +257,8 @@ vec3 scaleSoftClip(vec3 light)
 void main() 
 {
 	vec2 tc = vary_fragcoord.xy;
-	vec3 pos = getPosition(tc).xyz;
+	float depth = texture2DRect(depthMap, tc.xy).a;
+	vec3 pos = getPosition_d(tc, depth).xyz;
 	vec3 norm = texture2DRect(normalMap, tc).xyz*2.0-1.0;
 	//vec3 nz = texture2D(noiseMap, vary_fragcoord.xy/128.0).xyz;
 	
@@ -274,11 +280,61 @@ void main()
 	
 	col *= diffuse.rgb;
 	
-	if (spec.a > 0.0)
+	if (spec.a > 0.0) // specular reflection
 	{
-		vec3 ref = normalize(reflect(pos.xyz, norm.xyz));
-		float sa = dot(ref, vary_light.xyz);
-		col.rgb += vary_SunlitColor*scol*spec.rgb*texture2D(lightFunc, vec2(sa, spec.a)).a;
+		// the old infinite-sky shiny reflection
+		//
+		vec3 refnormpersp = normalize(reflect(pos.xyz, norm.xyz));
+		float sa = dot(refnormpersp, vary_light.xyz);
+		vec3 dumbshiny = vary_SunlitColor*scol*texture2D(lightFunc, vec2(sa, spec.a)).a;
+
+		/*
+		// screen-space cheap fakey reflection map
+		//
+		vec3 refnorm = normalize(reflect(vec3(0,0,-1), norm.xyz));
+		depth -= 0.5; // unbias depth
+		// first figure out where we'll make our 2D guess from
+		vec2 ref2d = (0.25 * screen_res.y) * (refnorm.xy) * abs(refnorm.z) / depth;
+		// Offset the guess source a little according to a trivial
+		// checkerboard dither function and spec.a.
+		// This is meant to be similar to sampling a blurred version
+		// of the diffuse map.  LOD would be better in that regard.
+		// The goal of the blur is to soften reflections in surfaces
+		// with low shinyness, and also to disguise our lameness.
+		float checkerboard = floor(mod(tc.x+tc.y, 2.0)); // 0.0, 1.0
+		float checkoffset = (3.0 + (7.0*(1.0-spec.a)))*(checkerboard-0.5);
+
+		ref2d += vec2(checkoffset, checkoffset);
+		ref2d += tc.xy; // use as offset from destination
+		// Get attributes from the 2D guess point.
+		// We average two samples of diffuse (not of anything else) per
+		// pixel to try to reduce aliasing some more.
+		vec3 refcol = 0.5 * (texture2DRect(diffuseRect, ref2d + vec2(0.0, -checkoffset)).rgb +
+				     texture2DRect(diffuseRect, ref2d + vec2(-checkoffset, 0.0)).rgb);
+		float refdepth = texture2DRect(depthMap, ref2d).a;
+		vec3 refpos = getPosition_d(ref2d, refdepth).xyz;
+		float refshad = texture2DRect(lightMap, ref2d).r;
+		vec3 refn = normalize(texture2DRect(normalMap, ref2d).rgb * 2.0 - 1.0);
+		// figure out how appropriate our guess actually was
+		float refapprop = max(0.0, dot(-refnorm, normalize(pos - refpos)));
+		// darken reflections from points which face away from the reflected ray - our guess was a back-face
+		//refapprop *= step(dot(refnorm, refn), 0.0);
+		refapprop = min(refapprop, max(0.0, -dot(refnorm, refn))); // more conservative variant
+		// get appropriate light strength for guess-point.
+		// reflect light direction to increase the illusion that
+		// these are reflections.
+		vec3 reflight = reflect(lightnorm.xyz, norm.xyz);
+		float reflit = min(max(dot(refn, reflight.xyz), 0.0), refshad);
+		// apply sun color to guess-point, dampen according to inappropriateness of guess
+		float refmod = min(refapprop, reflit);
+		vec3 refprod = vary_SunlitColor * refcol.rgb * refmod;
+		vec3 ssshiny = (refprod * spec.a);
+		ssshiny *= 0.3; // dampen it even more
+		*/
+		vec3 ssshiny = vec3(0,0,0);
+
+		// add the two types of shiny together
+		col += (ssshiny + dumbshiny) * spec.rgb;
 	}
 	
 	col = atmosLighting(col);
diff --git a/indra/newview/app_settings/shaders/class3/lighting/sumLightsV.glsl b/indra/newview/app_settings/shaders/class3/lighting/sumLightsV.glsl
index 1c5234c450..f129a1517b 100644
--- a/indra/newview/app_settings/shaders/class3/lighting/sumLightsV.glsl
+++ b/indra/newview/app_settings/shaders/class3/lighting/sumLightsV.glsl
@@ -6,7 +6,7 @@
  */
 
 float calcDirectionalLight(vec3 n, vec3 l);
-float calcPointLight(vec3 v, vec3 n, vec4 lp, float la);
+float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float is_pointlight);
 
 vec3 atmosAmbient(vec3 light);
 vec3 atmosAffectDirectionalLight(float lightIntensity);
@@ -15,24 +15,21 @@ vec3 scaleUpLight(vec3 light);
 
 vec4 sumLights(vec3 pos, vec3 norm, vec4 color, vec4 baseLight)
 {
-	vec4 col;
-	col.a = color.a;
+	vec4 col = vec4(0.0, 0.0, 0.0, color.a);
 	
-	// Add windlight lights
-	col.rgb = atmosAffectDirectionalLight(calcDirectionalLight(norm, gl_LightSource[0].position.xyz));
-	col.rgb += atmosAmbient(baseLight.rgb);
-	col.rgb = scaleUpLight(col.rgb);
-
 	// Collect normal lights (need to be divided by two, as we later multiply by 2)
-	col.rgb += gl_LightSource[2].diffuse.rgb*calcPointLight(pos, norm, gl_LightSource[2].position, gl_LightSource[2].linearAttenuation);
-	col.rgb += gl_LightSource[3].diffuse.rgb*calcPointLight(pos, norm, gl_LightSource[3].position, gl_LightSource[3].linearAttenuation);
-	col.rgb += gl_LightSource[4].diffuse.rgb*calcPointLight(pos, norm, gl_LightSource[4].position, gl_LightSource[4].linearAttenuation);
-	col.rgb += gl_LightSource[5].diffuse.rgb*calcPointLight(pos, norm, gl_LightSource[5].position, gl_LightSource[5].linearAttenuation);
- 	col.rgb += gl_LightSource[6].diffuse.rgb*calcPointLight(pos, norm, gl_LightSource[6].position, gl_LightSource[6].linearAttenuation);
- 	col.rgb += gl_LightSource[7].diffuse.rgb*calcPointLight(pos, norm, gl_LightSource[7].position, gl_LightSource[7].linearAttenuation);
+	col.rgb += gl_LightSource[2].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[2].position, gl_LightSource[2].spotDirection.xyz, gl_LightSource[2].linearAttenuation, gl_LightSource[2].specular.a);
+	col.rgb += gl_LightSource[3].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[3].position, gl_LightSource[3].spotDirection.xyz, gl_LightSource[3].linearAttenuation, gl_LightSource[3].specular.a);
+	col.rgb += gl_LightSource[4].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[4].position, gl_LightSource[4].spotDirection.xyz, gl_LightSource[4].linearAttenuation, gl_LightSource[4].specular.a);
+	col.rgb += gl_LightSource[5].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[5].position, gl_LightSource[5].spotDirection.xyz, gl_LightSource[5].linearAttenuation, gl_LightSource[5].specular.a);
+	col.rgb += gl_LightSource[6].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[6].position, gl_LightSource[6].spotDirection.xyz, gl_LightSource[6].linearAttenuation, gl_LightSource[6].specular.a);
+	col.rgb += gl_LightSource[7].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[7].position, gl_LightSource[7].spotDirection.xyz, gl_LightSource[7].linearAttenuation, gl_LightSource[7].specular.a);
 	col.rgb += gl_LightSource[1].diffuse.rgb*calcDirectionalLight(norm, gl_LightSource[1].position.xyz);
 	col.rgb = scaleDownLight(col.rgb);
-				
+
+	// Add windlight lights
+	col.rgb += atmosAffectDirectionalLight(calcDirectionalLight(norm, gl_LightSource[0].position.xyz));
+	col.rgb += atmosAmbient(baseLight.rgb);
 
 	col.rgb = min(col.rgb*color.rgb, 1.0);
 	
diff --git a/indra/newview/app_settings/ultra_graphics.xml b/indra/newview/app_settings/ultra_graphics.xml
index f16ec6c30f..f741089ca2 100644
--- a/indra/newview/app_settings/ultra_graphics.xml
+++ b/indra/newview/app_settings/ultra_graphics.xml
@@ -12,14 +12,12 @@
 	<RenderFlexTimeFactor value="1"/>
 	<!--256... but they don't use this-->
 	<RenderGlowResolutionPow value="9"/>
-	<!--Sun/Moon only-->
-	<RenderLightingDetail value="1"/>
 	<!--Low number-->
 	<RenderMaxPartCount value="4096"/>
 	<!--bump okay-->
 	<RenderObjectBump value="TRUE"/>
 	<!--NO SHADERS-->
-	<RenderReflectionDetail value="3"/>
+	<RenderReflectionDetail value="4"/>
 	<!--Simple-->
 	<RenderTerrainDetail value="1"/>
 	<!--Default for now-->
@@ -31,9 +29,14 @@
 	<!--Default for now-->
 	<RenderVolumeLODFactor value="2.0"/>
 	<!--NO SHADERS-->
-	<RenderWaterReflections value="TRUE"/>
-	<!--NO SHADERS-->
 	<VertexShaderEnable value="TRUE"/>
 	<!--NO SHADERS-->
 	<WindLightUseAtmosShaders value="TRUE"/>
+  <!--Deferred Shading-->
+  <RenderDeferred value="TRUE"/>
+  <!--SSAO Enabled-->
+  <RenderDeferredSSAO value="TRUE"/>
+  <!--Full Shadows-->
+  <RenderShadowDetail value="2"/>
+
 </settings>
diff --git a/indra/newview/featuretable.txt b/indra/newview/featuretable.txt
index 4029bf95a0..1913f52499 100644
--- a/indra/newview/featuretable.txt
+++ b/indra/newview/featuretable.txt
@@ -23,7 +23,7 @@ version 21
 // NOTE: All settings are set to the MIN of applied values, including 'all'!
 //
 list all
-RenderAnisotropic			1	0
+RenderAnisotropic			1	1
 RenderAvatarCloth			1	1
 RenderAvatarLODFactor		1	1.0
 RenderAvatarVP				1	1
@@ -35,18 +35,16 @@ RenderFogRatio				1	4.0
 RenderGamma					1	0
 RenderGlowResolutionPow		1	9
 RenderGround				1	1
-RenderLightingDetail		1	1
 RenderMaxPartCount			1	8192
 RenderNightBrightness		1	1.0
 RenderObjectBump			1	1
-RenderReflectionDetail		1	3
+RenderReflectionDetail		1	4
 RenderTerrainDetail			1	1
 RenderTerrainLODFactor		1	2.0
 RenderTreeLODFactor			1	1.0
 RenderUseImpostors			1	1
 RenderVBOEnable				1	1
 RenderVolumeLODFactor		1	2.0
-RenderWaterReflections		1	1
 UseStartScreen				1	1
 UseOcclusion				1	1
 VertexShaderEnable			1	1
@@ -56,6 +54,9 @@ Disregard128DefaultDrawDistance	1	1
 Disregard96DefaultDrawDistance	1	1
 RenderTextureMemoryMultiple		1	1.0
 RenderShaderLightingMaxLevel	1	3
+RenderDeferred				1	1
+RenderDeferredSSAO			1	1
+RenderShadowDetail			1	2
 
 
 //
@@ -69,7 +70,6 @@ RenderAvatarVP				1	0
 RenderFarClip				1	64
 RenderFlexTimeFactor		1	0.5
 RenderGlowResolutionPow		1	8
-RenderLightingDetail		1	0
 RenderMaxPartCount			1	1024
 RenderObjectBump			1	0
 RenderReflectionDetail		1	0
@@ -78,10 +78,13 @@ RenderTerrainLODFactor		1	1
 RenderTreeLODFactor			1	0.5
 RenderUseImpostors			1	1
 RenderVolumeLODFactor		1	1.125
-RenderWaterReflections		1	0
 VertexShaderEnable			1	0
 WindLightUseAtmosShaders	1	0
 WLSkyDetail					1	48
+RenderDeferred				1	0
+RenderDeferredSSAO			1	0
+RenderShadowDetail			1	0
+
 
 //
 // Mid Graphics Settings
@@ -94,7 +97,6 @@ RenderAvatarVP				1	1
 RenderFarClip				1	96
 RenderFlexTimeFactor		1	1.0
 RenderGlowResolutionPow		1	8
-RenderLightingDetail		1	1
 RenderMaxPartCount			1	2048
 RenderObjectBump			1	1
 RenderReflectionDetail		1	0
@@ -103,10 +105,13 @@ RenderTerrainLODFactor		1	1.0
 RenderTreeLODFactor			1	0.5
 RenderUseImpostors			1	1
 RenderVolumeLODFactor		1	1.125
-RenderWaterReflections		1	0
 VertexShaderEnable			1	1
 WindLightUseAtmosShaders	1	0
 WLSkyDetail					1	48
+RenderDeferred				1	0
+RenderDeferredSSAO			1	0
+RenderShadowDetail			1	0
+
 
 //
 // High Graphics Settings (purty)
@@ -119,7 +124,6 @@ RenderAvatarVP				1	1
 RenderFarClip				1	128
 RenderFlexTimeFactor		1	1.0
 RenderGlowResolutionPow		1	9
-RenderLightingDetail		1	1
 RenderMaxPartCount			1	4096
 RenderObjectBump			1	1
 RenderReflectionDetail		1	2
@@ -128,10 +132,13 @@ RenderTerrainLODFactor		1	2.0
 RenderTreeLODFactor			1	0.5
 RenderUseImpostors			1	1
 RenderVolumeLODFactor		1	1.125
-RenderWaterReflections		1	0
 VertexShaderEnable			1	1
 WindLightUseAtmosShaders	1	1
 WLSkyDetail					1	48
+RenderDeferred				1	1
+RenderDeferredSSAO			1	0
+RenderShadowDetail			1	1
+
 
 //
 // Ultra graphics (REALLY PURTY!)
@@ -144,19 +151,21 @@ RenderAvatarVP				1	1
 RenderFarClip				1	256
 RenderFlexTimeFactor		1	1.0
 RenderGlowResolutionPow		1	9
-RenderLightingDetail		1	1
 RenderMaxPartCount			1	8192
 RenderObjectBump			1	1
-RenderReflectionDetail		1	3
+RenderReflectionDetail		1	4
 RenderTerrainDetail			1	1
 RenderTerrainLODFactor		1	2.0
 RenderTreeLODFactor			1	1.0
 RenderUseImpostors			1	1
 RenderVolumeLODFactor		1	2.0
-RenderWaterReflections		1	1
 VertexShaderEnable			1	1
 WindLightUseAtmosShaders	1	1
 WLSkyDetail					1	128
+RenderDeferred				1	1
+RenderDeferredSSAO			1	1
+RenderShadowDetail			1	2
+
 
 //
 // Class Unknown Hardware (unknown)
@@ -194,9 +203,12 @@ RenderVBOEnable				1	1
 list NoPixelShaders
 RenderAvatarVP				0	0
 RenderAvatarCloth			0	0
-RenderWaterReflections		0	0
+RenderReflectionDetail		0	0
 VertexShaderEnable			0	0
 WindLightUseAtmosShaders	0	0
+RenderDeferred				0	0
+RenderDeferredSSAO			0	0
+RenderShadowDetail			0	0
 
 //
 // No Vertex Shaders available
@@ -204,9 +216,13 @@ WindLightUseAtmosShaders	0	0
 list NoVertexShaders
 RenderAvatarVP				0	0
 RenderAvatarCloth			0	0
-RenderWaterReflections		0	0
+RenderReflectionDetail		0	0
 VertexShaderEnable			0	0
 WindLightUseAtmosShaders	0	0
+RenderDeferred				0	0
+RenderDeferredSSAO			0	0
+RenderShadowDetail			0	0
+
 
 // "Default" setups for safe, low, medium, high
 //
@@ -214,14 +230,17 @@ list safe
 RenderAnisotropic			1	0
 RenderAvatarCloth			0	0
 RenderAvatarVP				0	0
-RenderLightingDetail		1	0
 RenderObjectBump			0	0
 RenderMaxPartCount			1	1024
 RenderTerrainDetail 		1	0
 RenderUseImpostors			0	0
 RenderVBOEnable				1	0
-RenderWaterReflections		0	0
+RenderReflectionDetail		0	0
 WindLightUseAtmosShaders	0	0
+RenderDeferred				0	0
+RenderDeferredSSAO			0	0
+RenderShadowDetail			0	0
+
 
 //
 // CPU based feature masks
@@ -245,11 +264,9 @@ RenderVBOEnable				1	0
 
 list Intel
 RenderAnisotropic			1	0
-RenderLightingDetail		1	0
 
 list GeForce2
 RenderAnisotropic			1	0
-RenderLightingDetail		1	0
 RenderMaxPartCount			1	2048
 RenderTerrainDetail			1	0
 RenderVBOEnable				1	1
diff --git a/indra/newview/featuretable_linux.txt b/indra/newview/featuretable_linux.txt
index 61a8e51c50..254b9c4ce4 100644
--- a/indra/newview/featuretable_linux.txt
+++ b/indra/newview/featuretable_linux.txt
@@ -23,7 +23,7 @@ version 21
 // NOTE: All settings are set to the MIN of applied values, including 'all'!
 //
 list all
-RenderAnisotropic			1	0
+RenderAnisotropic			1	1
 RenderAvatarCloth			1	1
 RenderAvatarLODFactor		1	1.0
 RenderAvatarVP				1	1
@@ -35,18 +35,16 @@ RenderFogRatio				1	4.0
 RenderGamma					1	0
 RenderGlowResolutionPow		1	9
 RenderGround				1	1
-RenderLightingDetail		1	1
 RenderMaxPartCount			1	8192
 RenderNightBrightness		1	1.0
 RenderObjectBump			1	1
-RenderReflectionDetail		1	3
+RenderReflectionDetail		1	4
 RenderTerrainDetail			1	1
 RenderTerrainLODFactor		1	2.0
 RenderTreeLODFactor			1	1.0
 RenderUseImpostors			1	1
 RenderVBOEnable				1	1
 RenderVolumeLODFactor		1	2.0
-RenderWaterReflections		1	1
 UseStartScreen				1	1
 UseOcclusion				1	1
 VertexShaderEnable			1	1
@@ -55,6 +53,10 @@ WLSkyDetail					1	128
 Disregard128DefaultDrawDistance	1	1
 Disregard96DefaultDrawDistance	1	1
 RenderTextureMemoryMultiple		1	1.0
+RenderShaderLightingMaxLevel		1	3
+RenderDeferred				1	1
+RenderDeferredSSAO			1	1
+RenderShadowDetail			1	2
 
 //
 // Low Graphics Settings
@@ -67,7 +69,6 @@ RenderAvatarVP				1	0
 RenderFarClip				1	64
 RenderFlexTimeFactor		1	0.5
 RenderGlowResolutionPow		1	8
-RenderLightingDetail		1	0
 RenderMaxPartCount			1	1024
 RenderObjectBump			1	0
 RenderReflectionDetail		1	0
@@ -76,10 +77,13 @@ RenderTerrainLODFactor		1	1
 RenderTreeLODFactor			1	0.5
 RenderUseImpostors			1	1
 RenderVolumeLODFactor		1	1.125
-RenderWaterReflections		1	0
 VertexShaderEnable			1	0
 WindLightUseAtmosShaders	1	0
 WLSkyDetail					1	48
+RenderDeferred				1	0
+RenderDeferredSSAO			1	0
+RenderShadowDetail			1	0
+
 
 //
 // Mid Graphics Settings
@@ -92,7 +96,6 @@ RenderAvatarVP				1	1
 RenderFarClip				1	96
 RenderFlexTimeFactor		1	1.0
 RenderGlowResolutionPow		1	8
-RenderLightingDetail		1	1
 RenderMaxPartCount			1	2048
 RenderObjectBump			1	1
 RenderReflectionDetail		1	0
@@ -101,10 +104,13 @@ RenderTerrainLODFactor		1	1.0
 RenderTreeLODFactor			1	0.5
 RenderUseImpostors			1	1
 RenderVolumeLODFactor		1	1.125
-RenderWaterReflections		1	0
 VertexShaderEnable			1	1
 WindLightUseAtmosShaders	1	0
 WLSkyDetail					1	48
+RenderDeferred				1	0
+RenderDeferredSSAO			1	0
+RenderShadowDetail			1	0
+
 
 //
 // High Graphics Settings (purty)
@@ -117,7 +123,6 @@ RenderAvatarVP				1	1
 RenderFarClip				1	128
 RenderFlexTimeFactor		1	1.0
 RenderGlowResolutionPow		1	9
-RenderLightingDetail		1	1
 RenderMaxPartCount			1	4096
 RenderObjectBump			1	1
 RenderReflectionDetail		1	2
@@ -126,10 +131,13 @@ RenderTerrainLODFactor		1	2.0
 RenderTreeLODFactor			1	0.5
 RenderUseImpostors			1	1
 RenderVolumeLODFactor		1	1.125
-RenderWaterReflections		1	0
 VertexShaderEnable			1	1
 WindLightUseAtmosShaders	1	1
 WLSkyDetail					1	48
+RenderDeferred				1	1
+RenderDeferredSSAO			1	0
+RenderShadowDetail			1	1
+
 
 //
 // Ultra graphics (REALLY PURTY!)
@@ -142,19 +150,21 @@ RenderAvatarVP				1	1
 RenderFarClip				1	256
 RenderFlexTimeFactor		1	1.0
 RenderGlowResolutionPow		1	9
-RenderLightingDetail		1	1
 RenderMaxPartCount			1	8192
 RenderObjectBump			1	1
-RenderReflectionDetail		1	3
+RenderReflectionDetail		1	4
 RenderTerrainDetail			1	1
 RenderTerrainLODFactor		1	2.0
 RenderTreeLODFactor			1	1.0
 RenderUseImpostors			1	1
 RenderVolumeLODFactor		1	2.0
-RenderWaterReflections		1	1
 VertexShaderEnable			1	1
 WindLightUseAtmosShaders	1	1
 WLSkyDetail					1	128
+RenderDeferred				1	1
+RenderDeferredSSAO			1	1
+RenderShadowDetail			1	2
+
 
 //
 // Class Unknown Hardware (unknown)
@@ -192,9 +202,12 @@ RenderVBOEnable				1	1
 list NoPixelShaders
 RenderAvatarVP				0	0
 RenderAvatarCloth			0	0
-RenderWaterReflections		0	0
+RenderReflectionDetail		0	0
 VertexShaderEnable			0	0
 WindLightUseAtmosShaders	0	0
+RenderDeferred				0	0
+RenderDeferredSSAO			0	0
+RenderShadowDetail			0	0
 
 //
 // No Vertex Shaders available
@@ -202,9 +215,13 @@ WindLightUseAtmosShaders	0	0
 list NoVertexShaders
 RenderAvatarVP				0	0
 RenderAvatarCloth			0	0
-RenderWaterReflections		0	0
+RenderReflectionDetail		0	0
 VertexShaderEnable			0	0
 WindLightUseAtmosShaders	0	0
+RenderDeferred				0	0
+RenderDeferredSSAO			0	0
+RenderShadowDetail			0	0
+
 
 // "Default" setups for safe, low, medium, high
 //
@@ -212,14 +229,17 @@ list safe
 RenderAnisotropic			1	0
 RenderAvatarCloth			0	0
 RenderAvatarVP				0	0
-RenderLightingDetail		1	0
 RenderObjectBump			0	0
 RenderMaxPartCount			1	1024
 RenderTerrainDetail 		1	0
 RenderUseImpostors			0	0
 RenderVBOEnable				1	0
-RenderWaterReflections		0	0
+RenderReflectionDetail		0	0
 WindLightUseAtmosShaders	0	0
+RenderDeferred				0	0
+RenderDeferredSSAO			0	0
+RenderShadowDetail			0	0
+
 
 //
 // CPU based feature masks
@@ -243,13 +263,11 @@ RenderVBOEnable				1	0
 
 list Intel
 RenderAnisotropic			1	0
-RenderLightingDetail		1	0
 // Avoid some Intel crashes on Linux
 RenderCubeMap				0	0
 
 list GeForce2
 RenderAnisotropic			1	0
-RenderLightingDetail		1	0
 RenderMaxPartCount			1	2048
 RenderTerrainDetail			1	0
 RenderVBOEnable				1	1
@@ -461,17 +479,47 @@ list NVIDIA_GeForce_Go_6
 RenderVBOEnable				1	0
 Disregard128DefaultDrawDistance	1	0
 
+list NVIDIA_GeForce_7000
+RenderShaderLightingMaxLevel	1	2
+list NVIDIA_GeForce_7100
+RenderShaderLightingMaxLevel	1	2
 list NVIDIA_GeForce_7200
 Disregard128DefaultDrawDistance	1	0
+RenderShaderLightingMaxLevel	1	2
 list NVIDIA_GeForce_7300
 Disregard128DefaultDrawDistance	1	0
+RenderShaderLightingMaxLevel	1	2
 list NVIDIA_GeForce_7400
 Disregard128DefaultDrawDistance	1	0
+RenderShaderLightingMaxLevel	1	2
+list NVIDIA_GeForce_7500
+RenderShaderLightingMaxLevel	1	2
+list NVIDIA_GeForce_7600
+RenderShaderLightingMaxLevel	1	2
+list NVIDIA_GeForce_7700
+RenderShaderLightingMaxLevel	1	2
+list NVIDIA_GeForce_7800
+RenderShaderLightingMaxLevel	1	2
+list NVIDIA_GeForce_7900
+RenderShaderLightingMaxLevel	1	2
 
 list NVIDIA_GeForce_Go_7200
 Disregard128DefaultDrawDistance	1	0
+RenderShaderLightingMaxLevel	1	2
 list NVIDIA_GeForce_Go_7300
 Disregard128DefaultDrawDistance	1	0
+RenderShaderLightingMaxLevel	1	2
+list NVIDIA_GeForce_Go_7300_LE
+RenderShaderLightingMaxLevel	1	2
 list NVIDIA_GeForce_Go_7400
 Disregard128DefaultDrawDistance	1	0
+RenderShaderLightingMaxLevel	1	2
+list NVIDIA_GeForce_Go_7600
+RenderShaderLightingMaxLevel	1	2
+list NVIDIA_GeForce_Go_7700
+RenderShaderLightingMaxLevel	1	2
+list NVIDIA_GeForce_Go_7800
+RenderShaderLightingMaxLevel	1	2
+list NVIDIA_GeForce_Go_7900
+RenderShaderLightingMaxLevel	1	2
 
diff --git a/indra/newview/featuretable_mac.txt b/indra/newview/featuretable_mac.txt
index 12d47a904c..db0252d2e7 100644
--- a/indra/newview/featuretable_mac.txt
+++ b/indra/newview/featuretable_mac.txt
@@ -366,6 +366,7 @@ list ATI_Radeon_X1500
 Disregard128DefaultDrawDistance	1	0
 list ATI_Radeon_X1600 
 Disregard128DefaultDrawDistance	1	0
+RenderUseFBO 					0	0
 list ATI_Radeon_X1700 
 Disregard128DefaultDrawDistance	1	0
 list ATI_Mobility_Radeon_X1xxx
diff --git a/indra/newview/llappviewer.cpp b/indra/newview/llappviewer.cpp
index 8db0388c64..dd4a67ff32 100644
--- a/indra/newview/llappviewer.cpp
+++ b/indra/newview/llappviewer.cpp
@@ -922,6 +922,11 @@ static LLFastTimer::DeclareTimer FTM_LFS("LFS Thread");
 static LLFastTimer::DeclareTimer FTM_PAUSE_THREADS("Pause Threads");
 static LLFastTimer::DeclareTimer FTM_IDLE("Idle");
 static LLFastTimer::DeclareTimer FTM_PUMP("Pump");
+static LLFastTimer::DeclareTimer FTM_PUMP_ARES("Ares");
+static LLFastTimer::DeclareTimer FTM_PUMP_SERVICE("Service");
+static LLFastTimer::DeclareTimer FTM_SERVICE_CALLBACK("Callback");
+static LLFastTimer::DeclareTimer FTM_AGENT_AUTOPILOT("Autopilot");
+static LLFastTimer::DeclareTimer FTM_AGENT_UPDATE("Update");
 
 bool LLAppViewer::mainLoop()
 {
@@ -1033,10 +1038,20 @@ bool LLAppViewer::mainLoop()
 						LLMemType mt_ip(LLMemType::MTYPE_IDLE_PUMP);
 						pingMainloopTimeout("Main:ServicePump");				
 						LLFastTimer t4(FTM_PUMP);
-						gAres->process();
-						// this pump is necessary to make the login screen show up
-						gServicePump->pump();
-						gServicePump->callback();
+						{
+							LLFastTimer t(FTM_PUMP_ARES);
+							gAres->process();
+						}
+						{
+							LLFastTimer t(FTM_PUMP_SERVICE);
+							// this pump is necessary to make the login screen show up
+							gServicePump->pump();
+
+							{
+								LLFastTimer t(FTM_SERVICE_CALLBACK);
+								gServicePump->callback();
+							}
+						}
 					}
 					
 					resumeMainloopTimeout();
@@ -3524,9 +3539,12 @@ void LLAppViewer::idle()
 			gAgent.moveYaw(-1.f);
 		}
 
-	    // Handle automatic walking towards points
-	    gAgentPilot.updateTarget();
-	    gAgent.autoPilot(&yaw);
+		{
+			LLFastTimer t(FTM_AGENT_AUTOPILOT);
+			// Handle automatic walking towards points
+			gAgentPilot.updateTarget();
+			gAgent.autoPilot(&yaw);
+		}
     
 	    static LLFrameTimer agent_update_timer;
 	    static U32 				last_control_flags;
@@ -3537,6 +3555,7 @@ void LLAppViewer::idle()
 		    
 	    if (flags_changed || (agent_update_time > (1.0f / (F32) AGENT_UPDATES_PER_SECOND)))
 	    {
+		    LLFastTimer t(FTM_AGENT_UPDATE);
 		    // Send avatar and camera info
 		    last_control_flags = gAgent.getControlFlags();
 		    send_agent_update(TRUE);
diff --git a/indra/newview/lldrawable.cpp b/indra/newview/lldrawable.cpp
index 38eda5bd2e..ed6a791e7f 100644
--- a/indra/newview/lldrawable.cpp
+++ b/indra/newview/lldrawable.cpp
@@ -523,7 +523,7 @@ F32 LLDrawable::updateXform(BOOL undamped)
 		{
 			// snap to final position
 			dist_squared = 0.0f;
-			if (!isRoot())
+			if (getVOVolume() && !isRoot())
 			{ //child prim snapping to some position, needs a rebuild
 				gPipeline.markRebuild(this, LLDrawable::REBUILD_POSITION, TRUE);
 			}
diff --git a/indra/newview/lldrawpool.cpp b/indra/newview/lldrawpool.cpp
index e3e66fa00d..ae30af3647 100644
--- a/indra/newview/lldrawpool.cpp
+++ b/indra/newview/lldrawpool.cpp
@@ -474,6 +474,7 @@ void LLRenderPass::pushBatch(LLDrawInfo& params, U32 mask, BOOL texture)
 	{
 		if (params.mTexture.notNull())
 		{
+			params.mTexture->addTextureStats(params.mVSize);
 			gGL.getTexUnit(0)->bind(params.mTexture, TRUE) ;
 			if (params.mTextureMatrix)
 			{
diff --git a/indra/newview/lldrawpoolalpha.cpp b/indra/newview/lldrawpoolalpha.cpp
index 875c9ac6a9..def463cb41 100644
--- a/indra/newview/lldrawpoolalpha.cpp
+++ b/indra/newview/lldrawpoolalpha.cpp
@@ -60,7 +60,9 @@ static BOOL deferred_render = FALSE;
 
 LLDrawPoolAlpha::LLDrawPoolAlpha(U32 type) :
 		LLRenderPass(type), current_shader(NULL), target_shader(NULL),
-		simple_shader(NULL), fullbright_shader(NULL)
+		simple_shader(NULL), fullbright_shader(NULL),
+		mColorSFactor(LLRender::BF_UNDEF), mColorDFactor(LLRender::BF_UNDEF),
+		mAlphaSFactor(LLRender::BF_UNDEF), mAlphaDFactor(LLRender::BF_UNDEF)
 {
 
 }
@@ -178,9 +180,16 @@ void LLDrawPoolAlpha::render(S32 pass)
 
 	LLGLSPipelineAlpha gls_pipeline_alpha;
 
-	if (LLPipeline::sFastAlpha && !deferred_render)
+	gGL.setColorMask(true, true);
+
+	if (LLPipeline::sAutoMaskAlphaNonDeferred && !deferred_render)
 	{
-		LLGLDisable blend_disable(GL_BLEND);
+		mColorSFactor = LLRender::BF_ONE;  // }
+		mColorDFactor = LLRender::BF_ZERO; // } these are like disabling blend on the color channels, but we're still blending on the alpha channel so that we can suppress glow
+		mAlphaSFactor = LLRender::BF_ZERO;
+		mAlphaDFactor = LLRender::BF_ZERO; // block (zero-out) glow where the alpha test succeeds
+		gGL.blendFunc(mColorSFactor, mColorDFactor, mAlphaSFactor, mAlphaDFactor);
+
 		gGL.setAlphaRejectSettings(LLRender::CF_GREATER, 0.33f);
 		if (mVertexShaderLevel > 0)
 		{
@@ -204,8 +213,17 @@ void LLDrawPoolAlpha::render(S32 pass)
 	}
 
 	LLGLDepthTest depth(GL_TRUE, LLDrawPoolWater::sSkipScreenCopy ? GL_TRUE : GL_FALSE);
+
+	mColorSFactor = LLRender::BF_SOURCE_ALPHA;           // } regular alpha blend
+	mColorDFactor = LLRender::BF_ONE_MINUS_SOURCE_ALPHA; // }
+	mAlphaSFactor = LLRender::BF_ZERO;                         // } glow suppression
+	mAlphaDFactor = LLRender::BF_ONE_MINUS_SOURCE_ALPHA;       // }
+	gGL.blendFunc(mColorSFactor, mColorDFactor, mAlphaSFactor, mAlphaDFactor);
+
 	renderAlpha(getVertexDataMask());
 
+	gGL.setColorMask(true, false);
+
 	if (deferred_render && current_shader != NULL)
 	{
 		gPipeline.unbindDeferredShader(*current_shader);
@@ -283,9 +301,18 @@ void LLDrawPoolAlpha::renderAlpha(U32 mask)
 	for (LLCullResult::sg_list_t::iterator i = gPipeline.beginAlphaGroups(); i != gPipeline.endAlphaGroups(); ++i)
 	{
 		LLSpatialGroup* group = *i;
+		llassert(group);
+		llassert(group->mSpatialPartition);
+
 		if (group->mSpatialPartition->mRenderByGroup &&
-			!group->isDead())
+		    !group->isDead())
 		{
+			bool draw_glow_for_this_partition = mVertexShaderLevel > 0 && // no shaders = no glow.
+				// All particle systems seem to come off the wire with texture entries which claim that they glow.  This is probably a bug in the data.  Suppress.
+				group->mSpatialPartition->mPartitionType != LLViewerRegion::PARTITION_PARTICLE &&
+				group->mSpatialPartition->mPartitionType != LLViewerRegion::PARTITION_CLOUD &&
+				group->mSpatialPartition->mPartitionType != LLViewerRegion::PARTITION_HUD_PARTICLE;
+
 			LLSpatialGroup::drawmap_elem_t& draw_info = group->mDrawMap[LLRenderPass::PASS_ALPHA];
 
 			for (LLSpatialGroup::drawmap_elem_t::iterator k = draw_info.begin(); k != draw_info.end(); ++k)	
@@ -294,96 +321,118 @@ void LLDrawPoolAlpha::renderAlpha(U32 mask)
 
 				LLRenderPass::applyModelMatrix(params);
 
-				if (params.mFullbright)
 				{
-					// Turn off lighting if it hasn't already been so.
-					if (light_enabled || !initialized_lighting)
+					if (params.mFullbright)
+					{
+						// Turn off lighting if it hasn't already been so.
+						if (light_enabled || !initialized_lighting)
+						{
+							initialized_lighting = TRUE;
+							if (use_shaders) 
+							{
+								target_shader = fullbright_shader;
+							}
+							else
+							{
+								gPipeline.enableLightsFullbright(LLColor4(1,1,1,1));
+							}
+							light_enabled = FALSE;
+						}
+					}
+					// Turn on lighting if it isn't already.
+					else if (!light_enabled || !initialized_lighting)
 					{
 						initialized_lighting = TRUE;
 						if (use_shaders) 
 						{
-							target_shader = fullbright_shader;
+							target_shader = simple_shader;
 						}
 						else
 						{
-							gPipeline.enableLightsFullbright(LLColor4(1,1,1,1));
+							gPipeline.enableLightsDynamic();
 						}
-						light_enabled = FALSE;
+						light_enabled = TRUE;
 					}
-				}
-				// Turn on lighting if it isn't already.
-				else if (!light_enabled || !initialized_lighting)
-				{
-					initialized_lighting = TRUE;
-					if (use_shaders) 
-					{
-						target_shader = simple_shader;
-					}
-					else
-					{
-						gPipeline.enableLightsDynamic();
-					}
-					light_enabled = TRUE;
-				}
 
-				// If we need shaders, and we're not ALREADY using the proper shader, then bind it
-				// (this way we won't rebind shaders unnecessarily).
-				if(use_shaders && (current_shader != target_shader))
-				{
-					llassert(target_shader != NULL);
-					if (deferred_render && current_shader != NULL)
+					// If we need shaders, and we're not ALREADY using the proper shader, then bind it
+					// (this way we won't rebind shaders unnecessarily).
+					if(use_shaders && (current_shader != target_shader))
 					{
-						gPipeline.unbindDeferredShader(*current_shader);
-						diffuse_channel = 0;
-					}
-					current_shader = target_shader;
-					if (deferred_render)
-					{
-						gPipeline.bindDeferredShader(*current_shader);
-						diffuse_channel = current_shader->enableTexture(LLViewerShaderMgr::DIFFUSE_MAP);
-					}
-					else
-					{
-						current_shader->bind();
+						llassert(target_shader != NULL);
+						if (deferred_render && current_shader != NULL)
+						{
+							gPipeline.unbindDeferredShader(*current_shader);
+							diffuse_channel = 0;
+						}
+						current_shader = target_shader;
+						if (deferred_render)
+						{
+							gPipeline.bindDeferredShader(*current_shader);
+							diffuse_channel = current_shader->enableTexture(LLViewerShaderMgr::DIFFUSE_MAP);
+						}
+						else
+						{
+							current_shader->bind();
+						}
 					}
-				}
-				else if (!use_shaders && current_shader != NULL)
-				{
-					if (deferred_render)
+					else if (!use_shaders && current_shader != NULL)
 					{
-						gPipeline.unbindDeferredShader(*current_shader);
-						diffuse_channel = 0;
+						if (deferred_render)
+						{
+							gPipeline.unbindDeferredShader(*current_shader);
+							diffuse_channel = 0;
+						}
+						LLGLSLShader::bindNoShader();
+						current_shader = NULL;
 					}
-					LLGLSLShader::bindNoShader();
-					current_shader = NULL;
-				}
-
-				if (params.mGroup)
-				{
-					params.mGroup->rebuildMesh();
-				}
 
-				
-				if (params.mTexture.notNull())
-				{
-					gGL.getTexUnit(diffuse_channel)->bind(params.mTexture.get());
-					if(params.mTexture.notNull())
+					if (params.mGroup)
 					{
-						params.mTexture->addTextureStats(params.mVSize);
+						params.mGroup->rebuildMesh();
 					}
-					if (params.mTextureMatrix)
+
+					
+					if (params.mTexture.notNull())
 					{
-						gGL.getTexUnit(0)->activate();
-						glMatrixMode(GL_TEXTURE);
-						glLoadMatrixf((GLfloat*) params.mTextureMatrix->mMatrix);
-						gPipeline.mTextureMatrixOps++;
+						gGL.getTexUnit(diffuse_channel)->bind(params.mTexture.get());
+						if(params.mTexture.notNull())
+						{
+							params.mTexture->addTextureStats(params.mVSize);
+						}
+						if (params.mTextureMatrix)
+						{
+							gGL.getTexUnit(0)->activate();
+							glMatrixMode(GL_TEXTURE);
+							glLoadMatrixf((GLfloat*) params.mTextureMatrix->mMatrix);
+							gPipeline.mTextureMatrixOps++;
+						}
 					}
 				}
 
 				params.mVertexBuffer->setBuffer(mask);
 				params.mVertexBuffer->drawRange(params.mDrawMode, params.mStart, params.mEnd, params.mCount, params.mOffset);
 				gPipeline.addTrianglesDrawn(params.mCount, params.mDrawMode);
+				
+				// If this alpha mesh has glow, then draw it a second time to add the destination-alpha (=glow).  Interleaving these state-changing calls could be expensive, but glow must be drawn Z-sorted with alpha.
+				if (draw_glow_for_this_partition &&
+				    params.mGlowColor.mV[3] > 0)
+				{
+					// install glow-accumulating blend mode
+					gGL.blendFunc(LLRender::BF_ZERO, LLRender::BF_ONE, // don't touch color
+						      LLRender::BF_ONE, LLRender::BF_ONE); // add to alpha (glow)
 
+					// glow doesn't use vertex colors from the mesh data
+					params.mVertexBuffer->setBuffer(mask & ~LLVertexBuffer::MAP_COLOR);
+					glColor4ubv(params.mGlowColor.mV);
+
+					// do the actual drawing, again
+					params.mVertexBuffer->drawRange(params.mDrawMode, params.mStart, params.mEnd, params.mCount, params.mOffset);
+					gPipeline.addTrianglesDrawn(params.mCount, params.mDrawMode);
+
+					// restore our alpha blend mode
+					gGL.blendFunc(mColorSFactor, mColorDFactor, mAlphaSFactor, mAlphaDFactor);
+				}
+			
 				if (params.mTextureMatrix && params.mTexture.notNull())
 				{
 					gGL.getTexUnit(0)->activate();
diff --git a/indra/newview/lldrawpoolalpha.h b/indra/newview/lldrawpoolalpha.h
index 3aa752f72c..61f73d0b31 100644
--- a/indra/newview/lldrawpoolalpha.h
+++ b/indra/newview/lldrawpoolalpha.h
@@ -34,6 +34,7 @@
 #define LL_LLDRAWPOOLALPHA_H
 
 #include "lldrawpool.h"
+#include "llrender.h"
 #include "llframetimer.h"
 
 class LLFace;
@@ -83,6 +84,12 @@ private:
 	LLGLSLShader* target_shader;
 	LLGLSLShader* simple_shader;
 	LLGLSLShader* fullbright_shader;	
+
+	// our 'normal' alpha blend function for this pass
+	LLRender::eBlendFactor mColorSFactor;
+	LLRender::eBlendFactor mColorDFactor;	
+	LLRender::eBlendFactor mAlphaSFactor;
+	LLRender::eBlendFactor mAlphaDFactor;
 };
 
 class LLDrawPoolAlphaPostWater : public LLDrawPoolAlpha
diff --git a/indra/newview/lldrawpoolavatar.cpp b/indra/newview/lldrawpoolavatar.cpp
index 546b60f286..c58fbbdcd0 100644
--- a/indra/newview/lldrawpoolavatar.cpp
+++ b/indra/newview/lldrawpoolavatar.cpp
@@ -123,7 +123,7 @@ void LLDrawPoolAvatar::prerender()
 	
 	if (sShaderLevel > 0)
 	{
-		sBufferUsage = GL_STATIC_DRAW_ARB;
+		sBufferUsage = GL_DYNAMIC_DRAW_ARB;
 	}
 	else
 	{
@@ -157,6 +157,8 @@ void LLDrawPoolAvatar::beginDeferredPass(S32 pass)
 {
 	LLFastTimer t(FTM_RENDER_CHARACTERS);
 	
+	sSkipTransparent = TRUE;
+
 	if (LLPipeline::sImpostorRender)
 	{
 		beginDeferredSkinned();
@@ -181,6 +183,8 @@ void LLDrawPoolAvatar::endDeferredPass(S32 pass)
 {
 	LLFastTimer t(FTM_RENDER_CHARACTERS);
 
+	sSkipTransparent = FALSE;
+
 	if (LLPipeline::sImpostorRender)
 	{
 		endDeferredSkinned();
@@ -250,7 +254,6 @@ S32 LLDrawPoolAvatar::getNumShadowPasses()
 void LLDrawPoolAvatar::beginShadowPass(S32 pass)
 {
 	LLFastTimer t(FTM_SHADOW_AVATAR);
-	
 	sVertexProgram = &gDeferredAvatarShadowProgram;
 	if (sShaderLevel > 0)
 	{
@@ -272,7 +275,6 @@ void LLDrawPoolAvatar::beginShadowPass(S32 pass)
 void LLDrawPoolAvatar::endShadowPass(S32 pass)
 {
 	LLFastTimer t(FTM_SHADOW_AVATAR);
-
 	if (sShaderLevel > 0)
 	{
 		sRenderingSkinned = FALSE;
@@ -310,6 +312,11 @@ void LLDrawPoolAvatar::renderShadow(S32 pass)
 		return;
 	}
 	
+	if (sShaderLevel > 0)
+	{
+		gAvatarMatrixParam = sVertexProgram->mUniform[LLViewerShaderMgr::AVATAR_MATRIX];
+	}
+
 	avatarp->renderSkinned(AVATAR_RENDER_PASS_SINGLE);
 
 }
@@ -346,7 +353,7 @@ void LLDrawPoolAvatar::beginRenderPass(S32 pass)
 	switch (pass)
 	{
 	case 0:
-		beginFootShadow();
+		beginImpostor();
 		break;
 	case 1:
 		beginRigid();
@@ -370,7 +377,7 @@ void LLDrawPoolAvatar::endRenderPass(S32 pass)
 	switch (pass)
 	{
 	case 0:
-		endFootShadow();
+		endImpostor();
 		break;
 	case 1:
 		endRigid();
@@ -380,7 +387,7 @@ void LLDrawPoolAvatar::endRenderPass(S32 pass)
 	}
 }
 
-void LLDrawPoolAvatar::beginFootShadow()
+void LLDrawPoolAvatar::beginImpostor()
 {
 	if (!LLPipeline::sReflectionRender)
 	{
@@ -392,7 +399,7 @@ void LLDrawPoolAvatar::beginFootShadow()
 	diffuse_channel = 0;
 }
 
-void LLDrawPoolAvatar::endFootShadow()
+void LLDrawPoolAvatar::endImpostor()
 {
 	gPipeline.enableLightsDynamic();
 }
@@ -564,7 +571,6 @@ void LLDrawPoolAvatar::endSkinned()
 
 void LLDrawPoolAvatar::beginDeferredSkinned()
 {
-	sSkipTransparent = TRUE;
 	sShaderLevel = mVertexShaderLevel;
 	sVertexProgram = &gDeferredAvatarProgram;
 
@@ -579,7 +585,6 @@ void LLDrawPoolAvatar::beginDeferredSkinned()
 
 void LLDrawPoolAvatar::endDeferredSkinned()
 {
-	sSkipTransparent = FALSE;
 	// if we're in software-blending, remember to set the fence _after_ we draw so we wait till this rendering is done
 	sRenderingSkinned = FALSE;
 	disable_vertex_weighting(sVertexProgram->mAttribute[LLViewerShaderMgr::AVATAR_WEIGHT]);
@@ -691,10 +696,6 @@ void LLDrawPoolAvatar::renderAvatars(LLVOAvatar* single_avatar, S32 pass)
 			}
 			avatarp->renderImpostor(LLColor4U(255,255,255,255), diffuse_channel);
 		}
-		else if (gPipeline.hasRenderDebugFeatureMask(LLPipeline::RENDER_DEBUG_FEATURE_FOOT_SHADOWS) && !LLPipeline::sRenderDeferred)
-		{
-			avatarp->renderFootShadows();	
-		}
 		return;
 	}
 
@@ -848,9 +849,7 @@ LLColor3 LLDrawPoolAvatar::getDebugColor() const
 
 LLVertexBufferAvatar::LLVertexBufferAvatar()
 : LLVertexBuffer(sDataMask, 
-	LLViewerShaderMgr::instance()->getVertexShaderLevel(LLViewerShaderMgr::SHADER_AVATAR) > 0 ?	
-	GL_DYNAMIC_DRAW_ARB : 
-	GL_STREAM_DRAW_ARB)
+	GL_STREAM_DRAW_ARB) //avatars are always stream draw due to morph targets
 {
 
 }
diff --git a/indra/newview/lldrawpoolavatar.h b/indra/newview/lldrawpoolavatar.h
index b947943619..d247260527 100644
--- a/indra/newview/lldrawpoolavatar.h
+++ b/indra/newview/lldrawpoolavatar.h
@@ -88,11 +88,11 @@ public:
 	/*virtual*/ void renderShadow(S32 pass);
 
 	void beginRigid();
-	void beginFootShadow();
+	void beginImpostor();
 	void beginSkinned();
 		
 	void endRigid();
-	void endFootShadow();
+	void endImpostor();
 	void endSkinned();
 
 	void beginDeferredImpostor();
diff --git a/indra/newview/lldrawpoolbump.cpp b/indra/newview/lldrawpoolbump.cpp
index 19cdccb630..8f3e775976 100644
--- a/indra/newview/lldrawpoolbump.cpp
+++ b/indra/newview/lldrawpoolbump.cpp
@@ -701,6 +701,18 @@ void LLDrawPoolBump::endBump()
 	gGL.setSceneBlendType(LLRender::BT_ALPHA);
 }
 
+S32 LLDrawPoolBump::getNumDeferredPasses()
+{ 
+	if (gSavedSettings.getBOOL("RenderObjectBump"))
+	{
+		return 1;
+	}
+	else
+	{
+		return 0;
+	}
+}
+
 void LLDrawPoolBump::beginDeferredPass(S32 pass)
 {
 	if (!gPipeline.hasRenderBatches(LLRenderPass::PASS_BUMP))
@@ -851,6 +863,7 @@ void LLBumpImageList::updateImages()
 			}
 		}
 	}
+	
 	for (bump_image_map_t::iterator iter = mDarknessEntries.begin(); iter != mDarknessEntries.end(); )
 	{
 		bump_image_map_t::iterator curiter = iter++;
diff --git a/indra/newview/lldrawpoolbump.h b/indra/newview/lldrawpoolbump.h
index bf940cf1e4..2019f1df26 100644
--- a/indra/newview/lldrawpoolbump.h
+++ b/indra/newview/lldrawpoolbump.h
@@ -79,7 +79,7 @@ public:
 	void renderBump();
 	void endBump();
 
-	virtual S32 getNumDeferredPasses() { return 1; }
+	virtual S32 getNumDeferredPasses();
 	/*virtual*/ void beginDeferredPass(S32 pass);
 	/*virtual*/ void endDeferredPass(S32 pass);
 	/*virtual*/ void renderDeferred(S32 pass);
diff --git a/indra/newview/lldrawpoolsimple.cpp b/indra/newview/lldrawpoolsimple.cpp
index ca7a1b47c2..c8e6f95ab6 100644
--- a/indra/newview/lldrawpoolsimple.cpp
+++ b/indra/newview/lldrawpoolsimple.cpp
@@ -55,6 +55,10 @@ void LLDrawPoolGlow::render(S32 pass)
 	LLFastTimer t(FTM_RENDER_GLOW);
 	LLGLEnable blend(GL_BLEND);
 	LLGLDisable test(GL_ALPHA_TEST);
+	gGL.flush();
+	/// Get rid of z-fighting with non-glow pass.
+	LLGLEnable polyOffset(GL_POLYGON_OFFSET_FILL);
+	glPolygonOffset(-1.0f, -1.0f);
 	gGL.setSceneBlendType(LLRender::BT_ADD);
 	
 	U32 shader_level = LLViewerShaderMgr::instance()->getVertexShaderLevel(LLViewerShaderMgr::SHADER_OBJECT);
diff --git a/indra/newview/llface.cpp b/indra/newview/llface.cpp
index a1336815f7..f6932b0e68 100644
--- a/indra/newview/llface.cpp
+++ b/indra/newview/llface.cpp
@@ -862,11 +862,34 @@ void LLFace::updateRebuildFlags()
 	}
 }
 
+
+bool LLFace::canRenderAsMask()
+{
+	const LLTextureEntry* te = getTextureEntry();
+	return (
+		(
+		 (LLPipeline::sRenderDeferred && LLPipeline::sAutoMaskAlphaDeferred) ||
+		 
+		 (!LLPipeline::sRenderDeferred && LLPipeline::sAutoMaskAlphaNonDeferred)		 
+		 ) // do we want masks at all?
+		&&
+		(te->getColor().mV[3] == 1.0f) && // can't treat as mask if we have face alpha
+		!(LLPipeline::sRenderDeferred && te->getFullbright()) && // hack: alpha masking renders fullbright faces invisible in deferred rendering mode, need to figure out why - for now, avoid
+		(te->getGlow() == 0.f) && // glowing masks are hard to implement - don't mask
+
+		getTexture()->getIsAlphaMask() // texture actually qualifies for masking (lazily recalculated but expensive)
+		);
+}
+
+
+static LLFastTimer::DeclareTimer FTM_FACE_GET_GEOM("Face Geom");
+
 BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 							   const S32 &f,
 								const LLMatrix4& mat_vert, const LLMatrix3& mat_normal,
 								const U16 &index_offset)
 {
+	LLFastTimer t(FTM_FACE_GET_GEOM);
 	const LLVolumeFace &vf = volume.getVolumeFace(f);
 	S32 num_vertices = (S32)vf.mVertices.size();
 	S32 num_indices = LLPipeline::sUseTriStrips ? (S32)vf.mTriStrip.size() : (S32) vf.mIndices.size();
diff --git a/indra/newview/llface.h b/indra/newview/llface.h
index 67dd97e6f7..02cc2af433 100644
--- a/indra/newview/llface.h
+++ b/indra/newview/llface.h
@@ -138,10 +138,10 @@ public:
 	void			unsetFaceColor(); // switch back to material color
 	const LLColor4&	getFaceColor() const { return mFaceColor; } 
 	const LLColor4& getRenderColor() const;
-	
 
 	//for volumes
 	void updateRebuildFlags();
+	bool canRenderAsMask(); // logic helper
 	BOOL getGeometryVolume(const LLVolume& volume,
 						const S32 &f,
 						const LLMatrix4& mat_vert, const LLMatrix3& mat_normal,
diff --git a/indra/newview/llfloaterpreference.cpp b/indra/newview/llfloaterpreference.cpp
index 2ab83eab79..5085925f25 100644
--- a/indra/newview/llfloaterpreference.cpp
+++ b/indra/newview/llfloaterpreference.cpp
@@ -799,7 +799,7 @@ void LLFloaterPreference::buildPopupLists()
 
 void LLFloaterPreference::refreshEnabledState()
 {	
-	LLCheckBoxCtrl* ctrl_reflections = getChild<LLCheckBoxCtrl>("Reflections");
+	LLComboBox* ctrl_reflections = getChild<LLComboBox>("Reflections");
 	LLRadioGroup* radio_reflection_detail = getChild<LLRadioGroup>("ReflectionDetailRadio");
 	
 	// Reflections
@@ -812,7 +812,7 @@ void LLFloaterPreference::refreshEnabledState()
 	bool bumpshiny = gGLManager.mHasCubeMap && LLCubeMap::sUseCubeMaps && LLFeatureManager::getInstance()->isFeatureAvailable("RenderObjectBump");
 	getChild<LLCheckBoxCtrl>("BumpShiny")->setEnabled(bumpshiny ? TRUE : FALSE);
 	
-	radio_reflection_detail->setEnabled(ctrl_reflections->get() && reflections);
+	radio_reflection_detail->setEnabled(reflections);
 	
 	// Avatar Mode
 	// Enable Avatar Shaders
@@ -858,6 +858,30 @@ void LLFloaterPreference::refreshEnabledState()
 	// *HACK just checks to see if we can use shaders... 
 	// maybe some cards that use shaders, but don't support windlight
 	ctrl_wind_light->setEnabled(ctrl_shader_enable->getEnabled() && shaders);
+
+	//Deferred/SSAO/Shadows
+	LLCheckBoxCtrl* ctrl_deferred = getChild<LLCheckBoxCtrl>("UseLightShaders");
+	if (LLFeatureManager::getInstance()->isFeatureAvailable("RenderUseFBO") &&
+	    LLFeatureManager::getInstance()->isFeatureAvailable("RenderDeferred") &&
+		shaders)
+	{
+		BOOL enabled = (ctrl_wind_light->get()) ? TRUE : FALSE;
+
+		ctrl_deferred->setEnabled(enabled);
+	
+		LLCheckBoxCtrl* ctrl_ssao = getChild<LLCheckBoxCtrl>("UseSSAO");
+		LLComboBox* ctrl_shadow = getChild<LLComboBox>("ShadowDetail");
+
+		enabled = enabled && LLFeatureManager::getInstance()->isFeatureAvailable("RenderDeferredSSAO") && (ctrl_deferred->get() ? TRUE : FALSE);
+		
+		ctrl_ssao->setEnabled(enabled);
+
+		enabled = enabled && LLFeatureManager::getInstance()->isFeatureAvailable("RenderShadowDetail");
+
+		ctrl_shadow->setEnabled(enabled);
+	}
+
+
 	// now turn off any features that are unavailable
 	disableUnavailableSettings();
 
@@ -866,12 +890,15 @@ void LLFloaterPreference::refreshEnabledState()
 
 void LLFloaterPreference::disableUnavailableSettings()
 {	
-	LLCheckBoxCtrl* ctrl_reflections   = getChild<LLCheckBoxCtrl>("Reflections");
+	LLComboBox* ctrl_reflections   = getChild<LLComboBox>("Reflections");
 	LLCheckBoxCtrl* ctrl_avatar_vp     = getChild<LLCheckBoxCtrl>("AvatarVertexProgram");
 	LLCheckBoxCtrl* ctrl_avatar_cloth  = getChild<LLCheckBoxCtrl>("AvatarCloth");
 	LLCheckBoxCtrl* ctrl_shader_enable = getChild<LLCheckBoxCtrl>("BasicShaders");
 	LLCheckBoxCtrl* ctrl_wind_light    = getChild<LLCheckBoxCtrl>("WindLightUseAtmosShaders");
 	LLCheckBoxCtrl* ctrl_avatar_impostors = getChild<LLCheckBoxCtrl>("AvatarImpostors");
+	LLCheckBoxCtrl* ctrl_deferred = getChild<LLCheckBoxCtrl>("UseLightShaders");
+	LLComboBox* ctrl_shadows = getChild<LLComboBox>("ShadowDetail");
+	LLCheckBoxCtrl* ctrl_ssao = getChild<LLCheckBoxCtrl>("UseSSAO");
 
 	// if vertex shaders off, disable all shader related products
 	if(!LLFeatureManager::getInstance()->isFeatureAvailable("VertexShaderEnable"))
@@ -883,13 +910,22 @@ void LLFloaterPreference::disableUnavailableSettings()
 		ctrl_wind_light->setValue(FALSE);
 		
 		ctrl_reflections->setEnabled(FALSE);
-		ctrl_reflections->setValue(FALSE);
+		ctrl_reflections->setValue(0);
 		
 		ctrl_avatar_vp->setEnabled(FALSE);
 		ctrl_avatar_vp->setValue(FALSE);
 		
 		ctrl_avatar_cloth->setEnabled(FALSE);
 		ctrl_avatar_cloth->setValue(FALSE);
+
+		ctrl_shadows->setEnabled(FALSE);
+		ctrl_shadows->setValue(0);
+		
+		ctrl_ssao->setEnabled(FALSE);
+		ctrl_ssao->setValue(FALSE);
+
+		ctrl_deferred->setEnabled(FALSE);
+		ctrl_deferred->setValue(FALSE);
 	}
 	
 	// disabled windlight
@@ -897,10 +933,47 @@ void LLFloaterPreference::disableUnavailableSettings()
 	{
 		ctrl_wind_light->setEnabled(FALSE);
 		ctrl_wind_light->setValue(FALSE);
+
+		//deferred needs windlight, disable deferred
+		ctrl_shadows->setEnabled(FALSE);
+		ctrl_shadows->setValue(0);
+		
+		ctrl_ssao->setEnabled(FALSE);
+		ctrl_ssao->setValue(FALSE);
+
+		ctrl_deferred->setEnabled(FALSE);
+		ctrl_deferred->setValue(FALSE);
+	}
+
+	// disabled deferred
+	if(!LLFeatureManager::getInstance()->isFeatureAvailable("RenderDeferred"))
+	{
+		ctrl_shadows->setEnabled(FALSE);
+		ctrl_shadows->setValue(0);
+		
+		ctrl_ssao->setEnabled(FALSE);
+		ctrl_ssao->setValue(FALSE);
+
+		ctrl_deferred->setEnabled(FALSE);
+		ctrl_deferred->setValue(FALSE);
+	}
+	
+	// disabled deferred SSAO
+	if(!LLFeatureManager::getInstance()->isFeatureAvailable("RenderDeferredSSAO"))
+	{
+		ctrl_ssao->setEnabled(FALSE);
+		ctrl_ssao->setValue(FALSE);
 	}
 	
+	// disabled deferred shadows
+	if(!LLFeatureManager::getInstance()->isFeatureAvailable("RenderShadowDetail"))
+	{
+		ctrl_shadows->setEnabled(FALSE);
+		ctrl_shadows->setValue(0);
+	}
+
 	// disabled reflections
-	if(!LLFeatureManager::getInstance()->isFeatureAvailable("RenderWaterReflections"))
+	if(!LLFeatureManager::getInstance()->isFeatureAvailable("RenderReflectionDetail"))
 	{
 		ctrl_reflections->setEnabled(FALSE);
 		ctrl_reflections->setValue(FALSE);
@@ -914,13 +987,25 @@ void LLFloaterPreference::disableUnavailableSettings()
 		
 		ctrl_avatar_cloth->setEnabled(FALSE);
 		ctrl_avatar_cloth->setValue(FALSE);
+
+		//deferred needs AvatarVP, disable deferred
+		ctrl_shadows->setEnabled(FALSE);
+		ctrl_shadows->setValue(0);
+		
+		ctrl_ssao->setEnabled(FALSE);
+		ctrl_ssao->setValue(FALSE);
+
+		ctrl_deferred->setEnabled(FALSE);
+		ctrl_deferred->setValue(FALSE);
 	}
+
 	// disabled cloth
 	if(!LLFeatureManager::getInstance()->isFeatureAvailable("RenderAvatarCloth"))
 	{
 		ctrl_avatar_cloth->setEnabled(FALSE);
 		ctrl_avatar_cloth->setValue(FALSE);
 	}
+
 	// disabled impostors
 	if(!LLFeatureManager::getInstance()->isFeatureAvailable("RenderUseImpostors"))
 	{
diff --git a/indra/newview/llpanelvolume.cpp b/indra/newview/llpanelvolume.cpp
index fbe68b4d92..8b01637239 100644
--- a/indra/newview/llpanelvolume.cpp
+++ b/indra/newview/llpanelvolume.cpp
@@ -574,7 +574,7 @@ void LLPanelVolume::onCommitLight( LLUICtrl* ctrl, void* userdata )
 		LLUUID id = LightTextureCtrl->getImageAssetID();
 		if (id.notNull())
 		{
-			if (volobjp->getLightTextureID().isNull())
+			if (!volobjp->isLightSpotlight())
 			{ //this commit is making this a spot light, set UI to default params
 				volobjp->setLightTextureID(id);
 				LLVector3 spot_params = volobjp->getSpotLightParams();
@@ -591,7 +591,7 @@ void LLPanelVolume::onCommitLight( LLUICtrl* ctrl, void* userdata )
 				volobjp->setSpotLightParams(spot_params);
 			}
 		}
-		else if (volobjp->getLightTextureID().notNull())
+		else if (volobjp->isLightSpotlight())
 		{ //no longer a spot light
 			volobjp->setLightTextureID(id);
 			//self->childDisable("Light FOV");
diff --git a/indra/newview/llspatialpartition.cpp b/indra/newview/llspatialpartition.cpp
index d6e9256fee..c229657ded 100644
--- a/indra/newview/llspatialpartition.cpp
+++ b/indra/newview/llspatialpartition.cpp
@@ -1513,6 +1513,7 @@ void LLSpatialGroup::checkOcclusion()
 {
 	if (LLPipeline::sUseOcclusion > 1)
 	{
+		LLFastTimer t(FTM_OCCLUSION_READBACK);
 		LLSpatialGroup* parent = getParent();
 		if (parent && parent->isOcclusionState(LLSpatialGroup::OCCLUDED))
 		{	//if the parent has been marked as occluded, the child is implicitly occluded
@@ -1520,7 +1521,6 @@ void LLSpatialGroup::checkOcclusion()
 		}
 		else if (isOcclusionState(QUERY_PENDING))
 		{	//otherwise, if a query is pending, read it back
-			LLFastTimer t(FTM_OCCLUSION_READBACK);
 			GLuint res = 1;
 			if (!isOcclusionState(DISCARD_QUERY) && mOcclusionQuery[LLViewerCamera::sCurCameraID])
 			{
@@ -1924,11 +1924,8 @@ public:
 			return;
 		}
 		
-		if (mRes == 2)
-		{
-			//fully in, don't traverse further (won't effect extents
-		}
-		else if (mRes && group->isState(LLSpatialGroup::SKIP_FRUSTUM_CHECK))
+		if ((mRes && group->isState(LLSpatialGroup::SKIP_FRUSTUM_CHECK)) ||
+			mRes == 2)
 		{	//don't need to do frustum check
 			LLSpatialGroup::OctreeTraveler::traverse(n);
 		}
@@ -3423,11 +3420,23 @@ LLCullResult::LLCullResult()
 void LLCullResult::clear()
 {
 	mVisibleGroupsSize = 0;
+	mVisibleGroupsEnd = mVisibleGroups.begin();
+
 	mAlphaGroupsSize = 0;
+	mAlphaGroupsEnd = mAlphaGroups.begin();
+
 	mOcclusionGroupsSize = 0;
+	mOcclusionGroupsEnd = mOcclusionGroups.begin();
+
 	mDrawableGroupsSize = 0;
+	mDrawableGroupsEnd = mDrawableGroups.begin();
+
 	mVisibleListSize = 0;
+	mVisibleListEnd = mVisibleList.begin();
+
 	mVisibleBridgeSize = 0;
+	mVisibleBridgeEnd = mVisibleBridge.begin();
+
 
 	for (U32 i = 0; i < LLRenderPass::NUM_RENDER_TYPES; i++)
 	{
@@ -3436,6 +3445,7 @@ void LLCullResult::clear()
 			mRenderMap[i][j] = 0;
 		}
 		mRenderMapSize[i] = 0;
+		mRenderMapEnd[i] = mRenderMap[i].begin();
 	}
 }
 
@@ -3446,7 +3456,7 @@ LLCullResult::sg_list_t::iterator LLCullResult::beginVisibleGroups()
 
 LLCullResult::sg_list_t::iterator LLCullResult::endVisibleGroups()
 {
-	return mVisibleGroups.begin() + mVisibleGroupsSize;
+	return mVisibleGroupsEnd;
 }
 
 LLCullResult::sg_list_t::iterator LLCullResult::beginAlphaGroups()
@@ -3456,7 +3466,7 @@ LLCullResult::sg_list_t::iterator LLCullResult::beginAlphaGroups()
 
 LLCullResult::sg_list_t::iterator LLCullResult::endAlphaGroups()
 {
-	return mAlphaGroups.begin() + mAlphaGroupsSize;
+	return mAlphaGroupsEnd;
 }
 
 LLCullResult::sg_list_t::iterator LLCullResult::beginOcclusionGroups()
@@ -3466,7 +3476,7 @@ LLCullResult::sg_list_t::iterator LLCullResult::beginOcclusionGroups()
 
 LLCullResult::sg_list_t::iterator LLCullResult::endOcclusionGroups()
 {
-	return mOcclusionGroups.begin() + mOcclusionGroupsSize;
+	return mOcclusionGroupsEnd;
 }
 
 LLCullResult::sg_list_t::iterator LLCullResult::beginDrawableGroups()
@@ -3476,7 +3486,7 @@ LLCullResult::sg_list_t::iterator LLCullResult::beginDrawableGroups()
 
 LLCullResult::sg_list_t::iterator LLCullResult::endDrawableGroups()
 {
-	return mDrawableGroups.begin() + mDrawableGroupsSize;
+	return mDrawableGroupsEnd;
 }
 
 LLCullResult::drawable_list_t::iterator LLCullResult::beginVisibleList()
@@ -3486,7 +3496,7 @@ LLCullResult::drawable_list_t::iterator LLCullResult::beginVisibleList()
 
 LLCullResult::drawable_list_t::iterator LLCullResult::endVisibleList()
 {
-	return mVisibleList.begin() + mVisibleListSize;
+	return mVisibleListEnd;
 }
 
 LLCullResult::bridge_list_t::iterator LLCullResult::beginVisibleBridge()
@@ -3496,7 +3506,7 @@ LLCullResult::bridge_list_t::iterator LLCullResult::beginVisibleBridge()
 
 LLCullResult::bridge_list_t::iterator LLCullResult::endVisibleBridge()
 {
-	return mVisibleBridge.begin() + mVisibleBridgeSize;
+	return mVisibleBridgeEnd;
 }
 
 LLCullResult::drawinfo_list_t::iterator LLCullResult::beginRenderMap(U32 type)
@@ -3506,7 +3516,7 @@ LLCullResult::drawinfo_list_t::iterator LLCullResult::beginRenderMap(U32 type)
 
 LLCullResult::drawinfo_list_t::iterator LLCullResult::endRenderMap(U32 type)
 {
-	return mRenderMap[type].begin() + mRenderMapSize[type];
+	return mRenderMapEnd[type];
 }
 
 void LLCullResult::pushVisibleGroup(LLSpatialGroup* group)
@@ -3520,6 +3530,7 @@ void LLCullResult::pushVisibleGroup(LLSpatialGroup* group)
 		mVisibleGroups.push_back(group);
 	}
 	++mVisibleGroupsSize;
+	mVisibleGroupsEnd = mVisibleGroups.begin()+mVisibleGroupsSize;
 }
 
 void LLCullResult::pushAlphaGroup(LLSpatialGroup* group)
@@ -3533,6 +3544,7 @@ void LLCullResult::pushAlphaGroup(LLSpatialGroup* group)
 		mAlphaGroups.push_back(group);
 	}
 	++mAlphaGroupsSize;
+	mAlphaGroupsEnd = mAlphaGroups.begin()+mAlphaGroupsSize;
 }
 
 void LLCullResult::pushOcclusionGroup(LLSpatialGroup* group)
@@ -3546,6 +3558,7 @@ void LLCullResult::pushOcclusionGroup(LLSpatialGroup* group)
 		mOcclusionGroups.push_back(group);
 	}
 	++mOcclusionGroupsSize;
+	mOcclusionGroupsEnd = mOcclusionGroups.begin()+mOcclusionGroupsSize;
 }
 
 void LLCullResult::pushDrawableGroup(LLSpatialGroup* group)
@@ -3559,6 +3572,7 @@ void LLCullResult::pushDrawableGroup(LLSpatialGroup* group)
 		mDrawableGroups.push_back(group);
 	}
 	++mDrawableGroupsSize;
+	mDrawableGroupsEnd = mDrawableGroups.begin()+mDrawableGroupsSize;
 }
 
 void LLCullResult::pushDrawable(LLDrawable* drawable)
@@ -3572,6 +3586,7 @@ void LLCullResult::pushDrawable(LLDrawable* drawable)
 		mVisibleList.push_back(drawable);
 	}
 	++mVisibleListSize;
+	mVisibleListEnd = mVisibleList.begin()+mVisibleListSize;
 }
 
 void LLCullResult::pushBridge(LLSpatialBridge* bridge)
@@ -3585,6 +3600,7 @@ void LLCullResult::pushBridge(LLSpatialBridge* bridge)
 		mVisibleBridge.push_back(bridge);
 	}
 	++mVisibleBridgeSize;
+	mVisibleBridgeEnd = mVisibleBridge.begin()+mVisibleBridgeSize;
 }
 
 void LLCullResult::pushDrawInfo(U32 type, LLDrawInfo* draw_info)
@@ -3598,6 +3614,7 @@ void LLCullResult::pushDrawInfo(U32 type, LLDrawInfo* draw_info)
 		mRenderMap[type].push_back(draw_info);
 	}
 	++mRenderMapSize[type];
+	mRenderMapEnd[type] = mRenderMap[type].begin() + mRenderMapSize[type];
 }
 
 
diff --git a/indra/newview/llspatialpartition.h b/indra/newview/llspatialpartition.h
index 7896488379..19af6a0c38 100644
--- a/indra/newview/llspatialpartition.h
+++ b/indra/newview/llspatialpartition.h
@@ -346,11 +346,11 @@ public:
 	F32 mBuilt;
 	OctreeNode* mOctreeNode;
 	LLSpatialPartition* mSpatialPartition;
-	LLVector3 mBounds[2];
-	LLVector3 mExtents[2];
+	LLVector3 mBounds[2]; // bounding box (center, size) of this node and all its children (tight fit to objects)
+	LLVector3 mExtents[2]; // extents (min, max) of this node and all its children
 	
-	LLVector3 mObjectExtents[2];
-	LLVector3 mObjectBounds[2];
+	LLVector3 mObjectExtents[2]; // extents (min, max) of objects in this node
+	LLVector3 mObjectBounds[2]; // bounding box (center, size) of objects in this node
 
 	LLPointer<LLVertexBuffer> mVertexBuffer;
 	F32*					mOcclusionVerts;
@@ -534,12 +534,19 @@ private:
 	U32					mRenderMapSize[LLRenderPass::NUM_RENDER_TYPES];
 
 	sg_list_t			mVisibleGroups;
+	sg_list_t::iterator mVisibleGroupsEnd;
 	sg_list_t			mAlphaGroups;
+	sg_list_t::iterator mAlphaGroupsEnd;
 	sg_list_t			mOcclusionGroups;
+	sg_list_t::iterator	mOcclusionGroupsEnd;
 	sg_list_t			mDrawableGroups;
+	sg_list_t::iterator mDrawableGroupsEnd;
 	drawable_list_t		mVisibleList;
+	drawable_list_t::iterator mVisibleListEnd;
 	bridge_list_t		mVisibleBridge;
+	bridge_list_t::iterator mVisibleBridgeEnd;
 	drawinfo_list_t		mRenderMap[LLRenderPass::NUM_RENDER_TYPES];
+	drawinfo_list_t::iterator mRenderMapEnd[LLRenderPass::NUM_RENDER_TYPES];
 };
 
 
@@ -606,14 +613,13 @@ public:
 //class for wrangling geometry out of volumes (implemented in LLVOVolume.cpp)
 class LLVolumeGeometryManager: public LLGeometryManager
 {
-public:
+ public:
 	virtual ~LLVolumeGeometryManager() { }
 	virtual void rebuildGeom(LLSpatialGroup* group);
 	virtual void rebuildMesh(LLSpatialGroup* group);
 	virtual void getGeometry(LLSpatialGroup* group);
 	void genDrawInfo(LLSpatialGroup* group, U32 mask, std::vector<LLFace*>& faces, BOOL distance_sort = FALSE);
 	void registerFace(LLSpatialGroup* group, LLFace* facep, U32 type);
-
 };
 
 //spatial partition that uses volume geometry manager (implemented in LLVOVolume.cpp)
diff --git a/indra/newview/llviewercontrol.cpp b/indra/newview/llviewercontrol.cpp
index ee3b27c8da..a8004f26ed 100644
--- a/indra/newview/llviewercontrol.cpp
+++ b/indra/newview/llviewercontrol.cpp
@@ -299,15 +299,6 @@ static bool handleWLSkyDetailChanged(const LLSD&)
 	return true;
 }
 
-static bool handleRenderLightingDetailChanged(const LLSD& newvalue)
-{
-	if (gPipeline.isInit())
-	{
-		gPipeline.setLightingDetail(newvalue.asInteger());
-	}
-	return true;
-}
-
 static bool handleResetVertexBuffersChanged(const LLSD&)
 {
 	if (gPipeline.isInit())
@@ -514,6 +505,7 @@ void settings_setup_listeners()
 	gSavedSettings.getControl("RenderAvatarVP")->getSignal()->connect(boost::bind(&handleSetShaderChanged, _2));
 	gSavedSettings.getControl("VertexShaderEnable")->getSignal()->connect(boost::bind(&handleSetShaderChanged, _2));
 	gSavedSettings.getControl("RenderUIBuffer")->getSignal()->connect(boost::bind(&handleReleaseGLBufferChanged, _2));
+	gSavedSettings.getControl("RenderFSAASamples")->getSignal()->connect(boost::bind(&handleReleaseGLBufferChanged, _2));
 	gSavedSettings.getControl("RenderShadowResolutionScale")->getSignal()->connect(boost::bind(&handleReleaseGLBufferChanged, _2));
 	gSavedSettings.getControl("RenderGlow")->getSignal()->connect(boost::bind(&handleReleaseGLBufferChanged, _2));
 	gSavedSettings.getControl("RenderGlow")->getSignal()->connect(boost::bind(&handleSetShaderChanged, _2));
@@ -534,7 +526,8 @@ void settings_setup_listeners()
 	gSavedSettings.getControl("RenderMaxPartCount")->getSignal()->connect(boost::bind(&handleMaxPartCountChanged, _2));
 	gSavedSettings.getControl("RenderDynamicLOD")->getSignal()->connect(boost::bind(&handleRenderDynamicLODChanged, _2));
 	gSavedSettings.getControl("RenderDebugTextureBind")->getSignal()->connect(boost::bind(&handleResetVertexBuffersChanged, _2));
-	gSavedSettings.getControl("RenderFastAlpha")->getSignal()->connect(boost::bind(&handleResetVertexBuffersChanged, _2));
+	gSavedSettings.getControl("RenderAutoMaskAlphaDeferred")->getSignal()->connect(boost::bind(&handleResetVertexBuffersChanged, _2));
+	gSavedSettings.getControl("RenderAutoMaskAlphaNonDeferred")->getSignal()->connect(boost::bind(&handleResetVertexBuffersChanged, _2));
 	gSavedSettings.getControl("RenderObjectBump")->getSignal()->connect(boost::bind(&handleResetVertexBuffersChanged, _2));
 	gSavedSettings.getControl("RenderMaxVBOSize")->getSignal()->connect(boost::bind(&handleResetVertexBuffersChanged, _2));
 	gSavedSettings.getControl("RenderUseFBO")->getSignal()->connect(boost::bind(&handleRenderUseFBOChanged, _2));
@@ -544,7 +537,8 @@ void settings_setup_listeners()
 	gSavedSettings.getControl("RenderDebugPipeline")->getSignal()->connect(boost::bind(&handleRenderDebugPipelineChanged, _2));
 	gSavedSettings.getControl("RenderResolutionDivisor")->getSignal()->connect(boost::bind(&handleRenderResolutionDivisorChanged, _2));
 	gSavedSettings.getControl("RenderDeferred")->getSignal()->connect(boost::bind(&handleSetShaderChanged, _2));
-	gSavedSettings.getControl("RenderDeferredShadow")->getSignal()->connect(boost::bind(&handleSetShaderChanged, _2));
+	gSavedSettings.getControl("RenderShadowDetail")->getSignal()->connect(boost::bind(&handleSetShaderChanged, _2));
+	gSavedSettings.getControl("RenderDeferredSSAO")->getSignal()->connect(boost::bind(&handleSetShaderChanged, _2));
 	gSavedSettings.getControl("RenderDeferredGI")->getSignal()->connect(boost::bind(&handleSetShaderChanged, _2));
 	gSavedSettings.getControl("TextureMemory")->getSignal()->connect(boost::bind(&handleVideoMemoryChanged, _2));
 	gSavedSettings.getControl("AuditTexture")->getSignal()->connect(boost::bind(&handleAuditTextureChanged, _2));
@@ -569,8 +563,8 @@ void settings_setup_listeners()
 	gSavedSettings.getControl("MuteAmbient")->getSignal()->connect(boost::bind(&handleAudioVolumeChanged, _2));
 	gSavedSettings.getControl("MuteUI")->getSignal()->connect(boost::bind(&handleAudioVolumeChanged, _2));
 	gSavedSettings.getControl("RenderVBOEnable")->getSignal()->connect(boost::bind(&handleRenderUseVBOChanged, _2));
+	gSavedSettings.getControl("RenderUseStreamVBO")->getSignal()->connect(boost::bind(&handleResetVertexBuffersChanged, _2));
 	gSavedSettings.getControl("WLSkyDetail")->getSignal()->connect(boost::bind(&handleWLSkyDetailChanged, _2));
-	gSavedSettings.getControl("RenderLightingDetail")->getSignal()->connect(boost::bind(&handleRenderLightingDetailChanged, _2));
 	gSavedSettings.getControl("NumpadControl")->getSignal()->connect(boost::bind(&handleNumpadControlChanged, _2));
 	gSavedSettings.getControl("JoystickAxis0")->getSignal()->connect(boost::bind(&handleJoystickChanged, _2));
 	gSavedSettings.getControl("JoystickAxis1")->getSignal()->connect(boost::bind(&handleJoystickChanged, _2));
diff --git a/indra/newview/llviewerdisplay.cpp b/indra/newview/llviewerdisplay.cpp
index f0800e82e7..235faba15a 100644
--- a/indra/newview/llviewerdisplay.cpp
+++ b/indra/newview/llviewerdisplay.cpp
@@ -595,7 +595,8 @@ void display(BOOL rebuild, F32 zoom_factor, int subfield, BOOL for_snapshot)
 			LLPipeline::sUseOcclusion = 3;
 		}
 
-		LLPipeline::sFastAlpha = gSavedSettings.getBOOL("RenderFastAlpha");
+		LLPipeline::sAutoMaskAlphaDeferred = gSavedSettings.getBOOL("RenderAutoMaskAlphaDeferred");
+		LLPipeline::sAutoMaskAlphaNonDeferred = gSavedSettings.getBOOL("RenderAutoMaskAlphaNonDeferred");
 		LLPipeline::sUseFarClip = gSavedSettings.getBOOL("RenderUseFarClip");
 		LLVOAvatar::sMaxVisible = gSavedSettings.getS32("RenderAvatarMaxVisible");
 		LLPipeline::sDelayVBUpdate = gSavedSettings.getBOOL("RenderDelayVBUpdate");
@@ -868,12 +869,6 @@ void display(BOOL rebuild, F32 zoom_factor, int subfield, BOOL for_snapshot)
 			}
 		}
 
-		/// We copy the frame buffer straight into a texture here,
-		/// and then display it again with compositor effects.
-		/// Using render to texture would be faster/better, but I don't have a 
-		/// grasp of their full display stack just yet.
-		// gPostProcess->apply(gViewerWindow->getWindowWidthRaw(), gViewerWindow->getWindowHeightRaw());
-		
 		if (LLPipeline::sRenderDeferred && !LLPipeline::sUnderWaterRender)
 		{
 			gPipeline.renderDeferredLighting();
@@ -1116,7 +1111,7 @@ void render_ui(F32 zoom_factor, int subfield)
 		{
 			gPipeline.renderBloom(gSnapshot, zoom_factor, subfield);
 		}
-
+		
 		render_hud_elements();
 		render_hud_attachments();
 	}
diff --git a/indra/newview/llviewerjoint.cpp b/indra/newview/llviewerjoint.cpp
index 95f05b5f5f..8f2006b431 100644
--- a/indra/newview/llviewerjoint.cpp
+++ b/indra/newview/llviewerjoint.cpp
@@ -440,13 +440,13 @@ void LLViewerJoint::updateFaceSizes(U32 &num_vertices, U32& num_indices, F32 pix
 	}
 }
 
-void LLViewerJoint::updateFaceData(LLFace *face, F32 pixel_area, BOOL damp_wind)
+void LLViewerJoint::updateFaceData(LLFace *face, F32 pixel_area, BOOL damp_wind, bool terse_update)
 {
 	for (child_list_t::iterator iter = mChildren.begin();
 		 iter != mChildren.end(); ++iter)
 	{
 		LLViewerJoint* joint = (LLViewerJoint*)(*iter);
-		joint->updateFaceData(face, pixel_area, damp_wind);
+		joint->updateFaceData(face, pixel_area, damp_wind, terse_update);
 	}
 }
 
diff --git a/indra/newview/llviewerjoint.h b/indra/newview/llviewerjoint.h
index 0d3092a044..67bd7786c3 100644
--- a/indra/newview/llviewerjoint.h
+++ b/indra/newview/llviewerjoint.h
@@ -126,7 +126,7 @@ public:
 	PickName getPickName() { return mPickName; }
 
 	virtual void updateFaceSizes(U32 &num_vertices, U32& num_indices, F32 pixel_area);
-	virtual void updateFaceData(LLFace *face, F32 pixel_area, BOOL damp_wind = FALSE);
+	virtual void updateFaceData(LLFace *face, F32 pixel_area, BOOL damp_wind = FALSE, bool terse_update = false);
 	virtual BOOL updateLOD(F32 pixel_area, BOOL activate);
 	virtual void updateJointGeometry();
 	virtual void dump();
diff --git a/indra/newview/llviewerjointmesh.cpp b/indra/newview/llviewerjointmesh.cpp
index 7225aa1523..6be7c442ef 100644
--- a/indra/newview/llviewerjointmesh.cpp
+++ b/indra/newview/llviewerjointmesh.cpp
@@ -667,7 +667,9 @@ void LLViewerJointMesh::updateFaceSizes(U32 &num_vertices, U32& num_indices, F32
 //-----------------------------------------------------------------------------
 // updateFaceData()
 //-----------------------------------------------------------------------------
-void LLViewerJointMesh::updateFaceData(LLFace *face, F32 pixel_area, BOOL damp_wind)
+static LLFastTimer::DeclareTimer FTM_AVATAR_FACE("Avatar Face");
+
+void LLViewerJointMesh::updateFaceData(LLFace *face, F32 pixel_area, BOOL damp_wind, bool terse_update)
 {
 	mFace = face;
 
@@ -676,6 +678,8 @@ void LLViewerJointMesh::updateFaceData(LLFace *face, F32 pixel_area, BOOL damp_w
 		return;
 	}
 
+	LLFastTimer t(FTM_AVATAR_FACE);
+
 	LLStrider<LLVector3> verticesp;
 	LLStrider<LLVector3> normalsp;
 	LLStrider<LLVector2> tex_coordsp;
@@ -694,29 +698,98 @@ void LLViewerJointMesh::updateFaceData(LLFace *face, F32 pixel_area, BOOL damp_w
 			face->mVertexBuffer->getIndexStrider(indicesp);
 			stop_glerror();
 
-			for (U16 i = 0; i < mMesh->getNumVertices(); i++)
+			verticesp += mMesh->mFaceVertexOffset;
+			tex_coordsp += mMesh->mFaceVertexOffset;
+			normalsp += mMesh->mFaceVertexOffset;
+			vertex_weightsp += mMesh->mFaceVertexOffset;
+			clothing_weightsp += mMesh->mFaceVertexOffset;
+
+			const U32* __restrict coords = (U32*) mMesh->getCoords();
+			const U32* __restrict tex_coords = (U32*) mMesh->getTexCoords();
+			const U32* __restrict normals = (U32*) mMesh->getNormals();
+			const U32* __restrict weights = (U32*) mMesh->getWeights();
+			const U32* __restrict cloth_weights = (U32*) mMesh->getClothingWeights();
+
+			const U32 num_verts = mMesh->getNumVertices();
+
+			U32 i = 0;
+
+			const U32 skip = verticesp.getSkip()/sizeof(U32);
+
+			U32* __restrict v = (U32*) verticesp.get();
+			U32* __restrict n = (U32*) normalsp.get();
+			
+			if (terse_update)
 			{
-				verticesp[mMesh->mFaceVertexOffset + i] = *(mMesh->getCoords() + i);
-				tex_coordsp[mMesh->mFaceVertexOffset + i] = *(mMesh->getTexCoords() + i);
-				normalsp[mMesh->mFaceVertexOffset + i] = *(mMesh->getNormals() + i);
-				vertex_weightsp[mMesh->mFaceVertexOffset + i] = *(mMesh->getWeights() + i);
-				if (damp_wind)
+				for (S32 i = num_verts; i > 0; --i)
 				{
-					clothing_weightsp[mMesh->mFaceVertexOffset + i] = LLVector4(0,0,0,0);
+					//morph target application only, only update positions and normals
+					v[0] = coords[0]; 
+					v[1] = coords[1]; 
+					v[2] = coords[2];		
+					coords += 3;
+					v += skip;
 				}
-				else
+
+				for (S32 i = num_verts; i > 0; --i)
 				{
-					clothing_weightsp[mMesh->mFaceVertexOffset + i] = (*(mMesh->getClothingWeights() + i));
+					n[0] = normals[0]; 
+					n[1] = normals[1];
+					n[2] = normals[2];
+					normals += 3;
+					n += skip;
 				}
 			}
+			else
+				{
 
-			for (S32 i = 0; i < mMesh->getNumFaces(); i++)
-			{
-				for (U32 j = 0; j < 3; j++)
+				U32* __restrict tc = (U32*) tex_coordsp.get();
+				U32* __restrict vw = (U32*) vertex_weightsp.get();
+				U32* __restrict cw = (U32*) clothing_weightsp.get();
+				
+				do
+				{
+					v[0] = *(coords++); 
+					v[1] = *(coords++); 
+					v[2] = *(coords++);
+					v += skip;
+
+					tc[0] = *(tex_coords++); 
+					tc[1] = *(tex_coords++);
+					tc += skip;
+
+					n[0] = *(normals++); 
+					n[1] = *(normals++);
+					n[2] = *(normals++);
+					n += skip;
+
+					vw[0] = *(weights++);
+					vw += skip;
+
+					cw[0] = *(cloth_weights++);
+					cw[1] = *(cloth_weights++);
+					cw[2] = *(cloth_weights++);
+					cw[3] = *(cloth_weights++);
+					cw += skip;
+				}
+				while (++i < num_verts);
+
+				const U32 idx_count = mMesh->getNumFaces()*3;
+
+				indicesp += mMesh->mFaceIndexOffset;
+
+				U16* __restrict idx = indicesp.get();
+				S32* __restrict src_idx = (S32*) mMesh->getFaces();
+
+				i = 0;
+
+				const S32 offset = (S32) mMesh->mFaceVertexOffset;
+
+				do
 				{
-					U32 k = i*3+j+mMesh->mFaceIndexOffset;
-					indicesp[k] = mMesh->getFaces()[i][j] + mMesh->mFaceVertexOffset;
+					*(idx++) = *(src_idx++)+offset;
 				}
+				while (++i < idx_count);
 			}
 		}
 	}
diff --git a/indra/newview/llviewerjointmesh.h b/indra/newview/llviewerjointmesh.h
index d62b0ada85..3b8d9c82b8 100644
--- a/indra/newview/llviewerjointmesh.h
+++ b/indra/newview/llviewerjointmesh.h
@@ -140,7 +140,7 @@ public:
 	/*virtual*/ U32 drawShape( F32 pixelArea, BOOL first_pass, BOOL is_dummy );
 
 	/*virtual*/ void updateFaceSizes(U32 &num_vertices, U32& num_indices, F32 pixel_area);
-	/*virtual*/ void updateFaceData(LLFace *face, F32 pixel_area, BOOL damp_wind = FALSE);
+	/*virtual*/ void updateFaceData(LLFace *face, F32 pixel_area, BOOL damp_wind = FALSE, bool terse_update = false);
 	/*virtual*/ BOOL updateLOD(F32 pixel_area, BOOL activate);
 	/*virtual*/ void updateJointGeometry();
 	/*virtual*/ void dump();
diff --git a/indra/newview/llviewermessage.cpp b/indra/newview/llviewermessage.cpp
index 46adb0a46b..07c5f4e921 100644
--- a/indra/newview/llviewermessage.cpp
+++ b/indra/newview/llviewermessage.cpp
@@ -3608,6 +3608,7 @@ const F32 THRESHOLD_HEAD_ROT_QDOT = 0.9997f;	// ~= 2.5 degrees -- if its less th
 const F32 MAX_HEAD_ROT_QDOT = 0.99999f;			// ~= 0.5 degrees -- if its greater than this then no need to update head_rot
 												// between these values we delay the updates (but no more than one second)
 
+static LLFastTimer::DeclareTimer FTM_AGENT_UPDATE_SEND("Send Message");
 
 void send_agent_update(BOOL force_send, BOOL send_reliable)
 {
@@ -3766,6 +3767,7 @@ void send_agent_update(BOOL force_send, BOOL send_reliable)
 
 	if (duplicate_count < DUP_MSGS && !gDisconnected)
 	{
+		LLFastTimer t(FTM_AGENT_UPDATE_SEND);
 		// Build the message
 		msg->newMessageFast(_PREHASH_AgentUpdate);
 		msg->nextBlockFast(_PREHASH_AgentData);
diff --git a/indra/newview/llviewershadermgr.cpp b/indra/newview/llviewershadermgr.cpp
index 86b1a8c910..0e29851778 100644
--- a/indra/newview/llviewershadermgr.cpp
+++ b/indra/newview/llviewershadermgr.cpp
@@ -317,10 +317,16 @@ S32 LLViewerShaderMgr::getVertexShaderLevel(S32 type)
 
 void LLViewerShaderMgr::setShaders()
 {
-	if (!gPipeline.mInitialized || !sInitialized)
+	//setShaders might be called redundantly by gSavedSettings, so return on reentrance
+	static bool reentrance = false;
+	
+	if (!gPipeline.mInitialized || !sInitialized || reentrance)
 	{
 		return;
 	}
+
+	reentrance = true;
+
 	// Make sure the compiled shader map is cleared before we recompile shaders.
 	mShaderObjects.clear();
 	
@@ -368,17 +374,11 @@ void LLViewerShaderMgr::setShaders()
 		S32 wl_class = 2;
 		S32 water_class = 2;
 		S32 deferred_class = 0;
-		if (!(LLFeatureManager::getInstance()->isFeatureAvailable("WindLightUseAtmosShaders")
-			  && gSavedSettings.getBOOL("WindLightUseAtmosShaders")))
-		{
-			// user has disabled WindLight in their settings, downgrade
-			// windlight shaders to stub versions.
-			wl_class = 1;
-		}
-
-		if (LLPipeline::sRenderDeferred)
+		
+		if (LLFeatureManager::getInstance()->isFeatureAvailable("RenderDeferred") &&
+		    gSavedSettings.getBOOL("RenderDeferred"))
 		{
-			if (gSavedSettings.getBOOL("RenderDeferredShadow"))
+			if (gSavedSettings.getS32("RenderShadowDetail") > 0)
 			{
 				if (gSavedSettings.getBOOL("RenderDeferredGI"))
 				{ //shadows + gi
@@ -393,6 +393,24 @@ void LLViewerShaderMgr::setShaders()
 			{ //no shadows
 				deferred_class = 1;
 			}
+
+			//make sure framebuffer objects are enabled
+			gSavedSettings.setBOOL("RenderUseFBO", TRUE);
+
+			//make sure hardware skinning is enabled
+			gSavedSettings.setBOOL("RenderAvatarVP", TRUE);
+			
+			//make sure atmospheric shaders are enabled
+			gSavedSettings.setBOOL("WindLightUseAtmosShaders", TRUE);
+		}
+
+
+		if (!(LLFeatureManager::getInstance()->isFeatureAvailable("WindLightUseAtmosShaders")
+			  && gSavedSettings.getBOOL("WindLightUseAtmosShaders")))
+		{
+			// user has disabled WindLight in their settings, downgrade
+			// windlight shaders to stub versions.
+			wl_class = 1;
 		}
 
 		if(!gSavedSettings.getBOOL("EnableRippleWater"))
@@ -517,6 +535,8 @@ void LLViewerShaderMgr::setShaders()
 		gViewerWindow->setCursor(UI_CURSOR_ARROW);
 	}
 	gPipeline.createGLBuffers();
+
+	reentrance = false;
 }
 
 void LLViewerShaderMgr::unloadShaders()
@@ -973,10 +993,21 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 
 	if (success)
 	{
+		std::string fragment;
+
+		if (gSavedSettings.getBOOL("RenderDeferredSSAO"))
+		{
+			fragment = "deferred/sunLightSSAOF.glsl";
+		}
+		else
+		{
+			fragment = "deferred/sunLightF.glsl";
+		}
+
 		gDeferredSunProgram.mName = "Deferred Sun Shader";
 		gDeferredSunProgram.mShaderFiles.clear();
 		gDeferredSunProgram.mShaderFiles.push_back(make_pair("deferred/sunLightV.glsl", GL_VERTEX_SHADER_ARB));
-		gDeferredSunProgram.mShaderFiles.push_back(make_pair("deferred/sunLightF.glsl", GL_FRAGMENT_SHADER_ARB));
+		gDeferredSunProgram.mShaderFiles.push_back(make_pair(fragment, GL_FRAGMENT_SHADER_ARB));
 		gDeferredSunProgram.mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
 		success = gDeferredSunProgram.createShader(NULL, NULL);
 	}
diff --git a/indra/newview/llviewerstats.cpp b/indra/newview/llviewerstats.cpp
index b7c265be59..b0c4b6fc8a 100644
--- a/indra/newview/llviewerstats.cpp
+++ b/indra/newview/llviewerstats.cpp
@@ -592,7 +592,7 @@ void update_statistics(U32 frame_count)
 		}
 	}
 	LLViewerStats::getInstance()->setStat(LLViewerStats::ST_ENABLE_VBO, (F64)gSavedSettings.getBOOL("RenderVBOEnable"));
-	LLViewerStats::getInstance()->setStat(LLViewerStats::ST_LIGHTING_DETAIL, (F64)gSavedSettings.getS32("RenderLightingDetail"));
+	LLViewerStats::getInstance()->setStat(LLViewerStats::ST_LIGHTING_DETAIL, (F64)gPipeline.getLightingDetail());
 	LLViewerStats::getInstance()->setStat(LLViewerStats::ST_DRAW_DIST, (F64)gSavedSettings.getF32("RenderFarClip"));
 	LLViewerStats::getInstance()->setStat(LLViewerStats::ST_CHAT_BUBBLES, (F64)gSavedSettings.getBOOL("UseChatBubbles"));
 #if 0 // 1.9.2
diff --git a/indra/newview/llviewerwindow.cpp b/indra/newview/llviewerwindow.cpp
index 7a3f88ed6f..ef969a7dfe 100644
--- a/indra/newview/llviewerwindow.cpp
+++ b/indra/newview/llviewerwindow.cpp
@@ -1377,7 +1377,7 @@ LLViewerWindow::LLViewerWindow(
 		gSavedSettings.getBOOL("DisableVerticalSync"),
 		!gNoRender,
 		ignore_pixel_depth,
-		gSavedSettings.getU32("RenderFSAASamples"));
+		0); //gSavedSettings.getU32("RenderFSAASamples"));
 
 	if (!LLAppViewer::instance()->restoreErrorTrap())
 	{
@@ -3835,140 +3835,6 @@ void LLViewerWindow::playSnapshotAnimAndSound()
 BOOL LLViewerWindow::thumbnailSnapshot(LLImageRaw *raw, S32 preview_width, S32 preview_height, BOOL show_ui, BOOL do_rebuild, ESnapshotType type)
 {
 	return rawSnapshot(raw, preview_width, preview_height, FALSE, FALSE, show_ui, do_rebuild, type);
-	
-	// *TODO below code was broken in deferred pipeline
-	/*
-	if ((!raw) || preview_width < 10 || preview_height < 10)
-	{
-		return FALSE;
-	}
-
-	if(gResizeScreenTexture) //the window is resizing
-	{
-		return FALSE ;
-	}
-
-	setCursor(UI_CURSOR_WAIT);
-
-	// Hide all the UI widgets first and draw a frame
-	BOOL prev_draw_ui = gPipeline.hasRenderDebugFeatureMask(LLPipeline::RENDER_DEBUG_FEATURE_UI);
-
-	if ( prev_draw_ui != show_ui)
-	{
-		LLPipeline::toggleRenderDebugFeature((void*)LLPipeline::RENDER_DEBUG_FEATURE_UI);
-	}
-
-	BOOL hide_hud = !gSavedSettings.getBOOL("RenderHUDInSnapshot") && LLPipeline::sShowHUDAttachments;
-	if (hide_hud)
-	{
-		LLPipeline::sShowHUDAttachments = FALSE;
-	}
-
-	S32 render_name = gSavedSettings.getS32("RenderName");
-	gSavedSettings.setS32("RenderName", 0);
-	LLVOAvatar::updateFreezeCounter(1) ; //pause avatar updating for one frame
-	
-	S32 w = preview_width ;
-	S32 h = preview_height ;
-	LLVector2 display_scale = mDisplayScale ;
-	mDisplayScale.setVec((F32)w / mWindowRectRaw.getWidth(), (F32)h / mWindowRectRaw.getHeight()) ;
-	LLRect window_rect = mWindowRectRaw;
-	mWindowRectRaw.set(0, h, w, 0);
-	
-	gDisplaySwapBuffers = FALSE;
-	gDepthDirty = TRUE;
-	glClearColor(0.f, 0.f, 0.f, 0.f);
-	glClear(GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
-	setup3DRender();
-
-	LLFontGL::setFontDisplay(FALSE) ;
-	LLHUDText::setDisplayText(FALSE) ;
-	if (type == SNAPSHOT_TYPE_OBJECT_ID)
-	{
-		gObjectList.renderPickList(gViewerWindow->getWindowRectScaled(), FALSE, FALSE);
-	}
-	else
-	{
-		display(do_rebuild, 1.0f, 0, TRUE);
-		render_ui();
-	}
-
-	S32 glformat, gltype, glpixel_length ;
-	if(SNAPSHOT_TYPE_DEPTH == type)
-	{
-		glpixel_length = 4 ;
-		glformat = GL_DEPTH_COMPONENT ; 
-		gltype = GL_FLOAT ;
-	}
-	else
-	{
-		glpixel_length = 3 ;
-		glformat = GL_RGB ;
-		gltype = GL_UNSIGNED_BYTE ;
-	}
-
-	raw->resize(w, h, glpixel_length);
-	glReadPixels(0, 0, w, h, glformat, gltype, raw->getData());
-
-	if(SNAPSHOT_TYPE_DEPTH == type)
-	{
-		LLViewerCamera* camerap = LLViewerCamera::getInstance();
-		F32 depth_conversion_factor_1 = (camerap->getFar() + camerap->getNear()) / (2.f * camerap->getFar() * camerap->getNear());
-		F32 depth_conversion_factor_2 = (camerap->getFar() - camerap->getNear()) / (2.f * camerap->getFar() * camerap->getNear());
-
-		//calculate the depth 
-		for (S32 y = 0 ; y < h ; y++)
-		{
-			for(S32 x = 0 ; x < w ; x++)
-			{
-				S32 i = (w * y + x) << 2 ;
-				
-				F32 depth_float_i = *(F32*)(raw->getData() + i);
-				
-				F32 linear_depth_float = 1.f / (depth_conversion_factor_1 - (depth_float_i * depth_conversion_factor_2));
-				U8 depth_byte = F32_to_U8(linear_depth_float, camerap->getNear(), camerap->getFar());
-				*(raw->getData() + i + 0) = depth_byte;
-				*(raw->getData() + i + 1) = depth_byte;
-				*(raw->getData() + i + 2) = depth_byte;
-				*(raw->getData() + i + 3) = 255;
-			}
-		}		
-	}
-
-	LLFontGL::setFontDisplay(TRUE) ;
-	LLHUDText::setDisplayText(TRUE) ;
-	mDisplayScale.setVec(display_scale) ;
-	mWindowRectRaw = window_rect;	
-	setup3DRender();
-	gDisplaySwapBuffers = FALSE;
-	gDepthDirty = TRUE;
-
-	// POST SNAPSHOT
-	if (!gPipeline.hasRenderDebugFeatureMask(LLPipeline::RENDER_DEBUG_FEATURE_UI))
-	{
-		LLPipeline::toggleRenderDebugFeature((void*)LLPipeline::RENDER_DEBUG_FEATURE_UI);
-	}
-
-	if (hide_hud)
-	{
-		LLPipeline::sShowHUDAttachments = TRUE;
-	}
-
-	setCursor(UI_CURSOR_ARROW);
-
-	if (do_rebuild)
-	{
-		// If we had to do a rebuild, that means that the lists of drawables to be rendered
-		// was empty before we started.
-		// Need to reset these, otherwise we call state sort on it again when render gets called the next time
-		// and we stand a good chance of crashing on rebuild because the render drawable arrays have multiple copies of
-		// objects on them.
-		gPipeline.resetDrawOrders();
-	}
-	
-	gSavedSettings.setS32("RenderName", render_name);	
-	
-	return TRUE;*/
 }
 
 // Saves the image from the screen to the specified filename and path.
@@ -4728,8 +4594,9 @@ BOOL LLViewerWindow::changeDisplaySettings(BOOL fullscreen, LLCoordScreen size,
 		return TRUE;
 	}
 
-	U32 fsaa = gSavedSettings.getU32("RenderFSAASamples");
-	U32 old_fsaa = mWindow->getFSAASamples();
+	//U32 fsaa = gSavedSettings.getU32("RenderFSAASamples");
+	//U32 old_fsaa = mWindow->getFSAASamples();
+
 	// going from windowed to windowed
 	if (!old_fullscreen && !fullscreen)
 	{
@@ -4739,7 +4606,7 @@ BOOL LLViewerWindow::changeDisplaySettings(BOOL fullscreen, LLCoordScreen size,
 			mWindow->setSize(size);
 		}
 
-		if (fsaa == old_fsaa)
+		//if (fsaa == old_fsaa)
 		{
 			return TRUE;
 		}
@@ -4768,13 +4635,13 @@ BOOL LLViewerWindow::changeDisplaySettings(BOOL fullscreen, LLCoordScreen size,
 		gSavedSettings.setS32("WindowY", old_pos.mY);
 	}
 	
-	mWindow->setFSAASamples(fsaa);
+	//mWindow->setFSAASamples(fsaa);
 
 	result_first_try = mWindow->switchContext(fullscreen, size, disable_vsync);
 	if (!result_first_try)
 	{
 		// try to switch back
-		mWindow->setFSAASamples(old_fsaa);
+		//mWindow->setFSAASamples(old_fsaa);
 		result_second_try = mWindow->switchContext(old_fullscreen, old_size, disable_vsync);
 
 		if (!result_second_try)
diff --git a/indra/newview/llvoavatar.cpp b/indra/newview/llvoavatar.cpp
index 134af871ce..abcc4faf11 100644
--- a/indra/newview/llvoavatar.cpp
+++ b/indra/newview/llvoavatar.cpp
@@ -692,10 +692,8 @@ LLVOAvatar::LLVOAvatar(const LLUUID& id,
 		mBakedTextureDatas[i].mTextureIndex = LLVOAvatarDictionary::bakedToLocalTextureIndex((EBakedTextureIndex)i);
 	}
 
-	mDirtyMesh = TRUE;	// Dirty geometry, need to regenerate.
+	mDirtyMesh = 2;	// Dirty geometry, need to regenerate.
 	mMeshTexturesDirty = FALSE;
-	mShadow0Facep = NULL;
-	mShadow1Facep = NULL;
 	mHeadp = NULL;
 
 	mIsBuilt = FALSE;
@@ -731,12 +729,6 @@ LLVOAvatar::LLVOAvatar(const LLUUID& id,
 
 	mRippleTimeLast = 0.f;
 
-	mShadowImagep = LLViewerTextureManager::getFetchedTextureFromFile("foot_shadow.j2c");
-	
-	// GL NOT ACTIVE HERE
-	//gGL.getTexUnit(0)->bind(mShadowImagep.get());
-	//mShadowImagep->setAddressMode(LLTexUnit::TAM_CLAMP);
-	
 	mInAir = FALSE;
 
 	mStepOnLand = TRUE;
@@ -1922,7 +1914,7 @@ void LLVOAvatar::updateMeshData()
 			}
 			if(num_vertices < 1)//skip empty meshes
 			{
-				break ;
+				continue ;
 			}
 			if(last_v_num > 0)//put the last inserted part into next vertex buffer.
 			{
@@ -1944,6 +1936,8 @@ void LLVOAvatar::updateMeshData()
 			// resize immediately
 			facep->setSize(num_vertices, num_indices);
 
+			bool terse_update = false;
+
 			if(facep->mVertexBuffer.isNull())
 			{
 				facep->mVertexBuffer = new LLVertexBufferAvatar();
@@ -1951,7 +1945,15 @@ void LLVOAvatar::updateMeshData()
 			}
 			else
 			{
-				facep->mVertexBuffer->resizeBuffer(num_vertices, num_indices) ;
+				if (facep->mVertexBuffer->getRequestedIndices() == num_indices &&
+					facep->mVertexBuffer->getRequestedVerts() == num_vertices)
+				{
+					terse_update = true;
+				}
+				else
+				{
+					facep->mVertexBuffer->resizeBuffer(num_vertices, num_indices) ;
+				}
 			}
 		
 			facep->setGeomIndex(0);
@@ -1966,7 +1968,7 @@ void LLVOAvatar::updateMeshData()
 
 			for(S32 k = j ; k < part_index ; k++)
 			{
-				mMeshLOD[k]->updateFaceData(facep, mAdjustedPixelArea, k == MESH_ID_HAIR);
+				mMeshLOD[k]->updateFaceData(facep, mAdjustedPixelArea, k == MESH_ID_HAIR, terse_update);
 			}
 
 			stop_glerror();
@@ -2319,12 +2321,6 @@ void LLVOAvatar::idleUpdateMisc(bool detailed_update)
 	LLJoint::sNumUpdates = 0;
 	LLJoint::sNumTouches = 0;
 
-	// *NOTE: this is necessary for the floating name text above your head.
-	if (mDrawable.notNull())
-	{
-		gPipeline.markRebuild(mDrawable, LLDrawable::REBUILD_SHADOW, TRUE);
-	}
-
 	BOOL visible = isVisible() || mNeedsAnimUpdate;
 
 	// update attachments positions
@@ -3652,12 +3648,19 @@ U32 LLVOAvatar::renderSkinned(EAvatarRenderPass pass)
 		return num_indices;
 	}
 
-	if (mDirtyMesh || mDrawable->isState(LLDrawable::REBUILD_GEOMETRY))
+	LLFace* face = mDrawable->getFace(0);
+
+	bool needs_rebuild = !face || face->mVertexBuffer.isNull() || mDrawable->isState(LLDrawable::REBUILD_GEOMETRY);
+
+	if (needs_rebuild || mDirtyMesh)
 	{	//LOD changed or new mesh created, allocate new vertex buffer if needed
-		updateMeshData();
-		mDirtyMesh = FALSE;
-		mNeedsSkin = TRUE;
-		mDrawable->clearState(LLDrawable::REBUILD_GEOMETRY);
+		if (needs_rebuild || mDirtyMesh >= 2 || mVisibilityRank <= 4)
+		{
+			updateMeshData();
+			mDirtyMesh = 0;
+			mNeedsSkin = TRUE;
+			mDrawable->clearState(LLDrawable::REBUILD_GEOMETRY);
+		}
 	}
 
 	if (LLViewerShaderMgr::instance()->getVertexShaderLevel(LLViewerShaderMgr::SHADER_AVATAR) <= 0)
@@ -3905,54 +3908,6 @@ U32 LLVOAvatar::renderRigid()
 	return num_indices;
 }
 
-U32 LLVOAvatar::renderFootShadows()
-{
-	U32 num_indices = 0;
-
-	if (!mIsBuilt)
-	{
-		return 0;
-	}
-
-	if (isSelf() && (!gAgent.needsRenderAvatar() || !gAgent.needsRenderHead()))
-	{
-		return 0;
-	}
-	
-	if (!mIsBuilt)
-	{
-		return 0;
-	}
-	
-	// Don't render foot shadows if your lower body is completely invisible.
-	// (non-humanoid avatars rule!)
-	if (!isTextureVisible(TEX_LOWER_BAKED))
-	{
-		return 0;
-	}
-
-	// Update the shadow, tractor, and text label geometry.
-	if (mDrawable->isState(LLDrawable::REBUILD_SHADOW) && !isImpostor())
-	{
-		updateShadowFaces();
-		mDrawable->clearState(LLDrawable::REBUILD_SHADOW);
-	}
-
-	U32 foot_mask = LLVertexBuffer::MAP_VERTEX |
-					LLVertexBuffer::MAP_TEXCOORD0;
-
-	LLGLDepthTest test(GL_TRUE, GL_FALSE);
-	//render foot shadows
-	LLGLEnable blend(GL_BLEND);
-	gGL.getTexUnit(0)->bind(mShadowImagep, TRUE);
-	glColor4fv(mShadow0Facep->getRenderColor().mV);
-	mShadow0Facep->renderIndexed(foot_mask);
-	glColor4fv(mShadow1Facep->getRenderColor().mV);
-	mShadow1Facep->renderIndexed(foot_mask);
-	
-	return num_indices;
-}
-
 U32 LLVOAvatar::renderImpostor(LLColor4U color, S32 diffuse_channel)
 {
 	if (!mImpostor.isComplete())
@@ -4073,11 +4028,6 @@ void LLVOAvatar::updateTextures()
 	{
 		setDebugText(llformat("%4.0f:%4.0f", fsqrtf(mMinPixelArea),fsqrtf(mMaxPixelArea)));
 	}	
-	
-	if( render_avatar )
-	{
-		mShadowImagep->addTextureStats(mPixelArea);
-	}
 }
 
 
@@ -5223,7 +5173,7 @@ BOOL LLVOAvatar::updateJointLODs()
  		if (res)
 		{
 			sNumLODChangesThisFrame++;
-			dirtyMesh();
+			dirtyMesh(2);
 			return TRUE;
 		}
 	}
@@ -5247,18 +5197,9 @@ LLDrawable *LLVOAvatar::createDrawable(LLPipeline *pipeline)
 	mDrawable->addFace(poolp, NULL);
 	mDrawable->setRenderType(LLPipeline::RENDER_TYPE_AVATAR);
 	
-	LLFace *facep;
-
-	// Add faces for the foot shadows
-	facep = mDrawable->addFace((LLFacePool*) NULL, mShadowImagep);
-	mShadow0Facep = facep;
-
-	facep = mDrawable->addFace((LLFacePool*) NULL, mShadowImagep);
-	mShadow1Facep = facep;
-
 	mNumInitFaces = mDrawable->getNumFaces() ;
 
-	dirtyMesh();
+	dirtyMesh(2);
 	return mDrawable;
 }
 
@@ -5298,107 +5239,6 @@ BOOL LLVOAvatar::updateGeometry(LLDrawable *drawable)
 }
 
 //-----------------------------------------------------------------------------
-// updateShadowFaces()
-//-----------------------------------------------------------------------------
-void LLVOAvatar::updateShadowFaces()
-{
-	LLFace *face0p = mShadow0Facep;
-	LLFace *face1p = mShadow1Facep;
-
-	//
-	// render avatar shadows
-	//
-	if (mInAir || mUpdatePeriod >= IMPOSTOR_PERIOD)
-	{
-		face0p->setSize(0, 0);
-		face1p->setSize(0, 0);
-		return;
-	}
-
-	LLSprite sprite(mShadowImagep.notNull() ? mShadowImagep->getID() : LLUUID::null);
-	sprite.setFollow(FALSE);
-	const F32 cos_angle = gSky.getSunDirection().mV[2];
-	F32 cos_elev = sqrt(1 - cos_angle * cos_angle);
-	if (cos_angle < 0) cos_elev = -cos_elev;
-	sprite.setSize(0.4f + cos_elev * 0.8f, 0.3f);
-	LLVector3 sun_vec = gSky.mVOSkyp ? gSky.mVOSkyp->getToSun() : LLVector3(0.f, 0.f, 0.f);
-
-	if (mShadowImagep->hasGLTexture())
-	{
-		LLVector3 normal;
-		LLVector3d shadow_pos;
-		LLVector3 shadow_pos_agent;
-		F32 foot_height;
-
-		if (mFootLeftp)
-		{
-			LLVector3 joint_world_pos = mFootLeftp->getWorldPosition();
-			// this only does a ray straight down from the foot, as our client-side ray-tracing is very limited now
-			// but we make an explicit ray trace call in expectation of future improvements
-			resolveRayCollisionAgent(gAgent.getPosGlobalFromAgent(joint_world_pos), 
-									 gAgent.getPosGlobalFromAgent(gSky.getSunDirection() + joint_world_pos), shadow_pos, normal);
-			shadow_pos_agent = gAgent.getPosAgentFromGlobal(shadow_pos);
-			foot_height = joint_world_pos.mV[VZ] - shadow_pos_agent.mV[VZ];
-
-			// Pull sprite in direction of surface normal
-			shadow_pos_agent += normal * SHADOW_OFFSET_AMT;
-
-			// Render sprite
-			sprite.setNormal(normal);
-			if (isSelf() && gAgentCamera.getCameraMode() == CAMERA_MODE_MOUSELOOK)
-			{
-				sprite.setColor(0.f, 0.f, 0.f, 0.f);
-			}
-			else
-			{
-				sprite.setColor(0.f, 0.f, 0.f, clamp_rescale(foot_height, MIN_SHADOW_HEIGHT, MAX_SHADOW_HEIGHT, 0.5f, 0.f));
-			}
-			sprite.setPosition(shadow_pos_agent);
-
-			LLVector3 foot_to_knee = mKneeLeftp->getWorldPosition() - joint_world_pos;
-			//foot_to_knee.normalize();
-			foot_to_knee -= projected_vec(foot_to_knee, sun_vec);
-			sprite.setYaw(azimuth(sun_vec - foot_to_knee));
-		
-			sprite.updateFace(*face0p);
-		}
-
-		if (mFootRightp)
-		{
-			LLVector3 joint_world_pos = mFootRightp->getWorldPosition();
-			// this only does a ray straight down from the foot, as our client-side ray-tracing is very limited now
-			// but we make an explicit ray trace call in expectation of future improvements
-			resolveRayCollisionAgent(gAgent.getPosGlobalFromAgent(joint_world_pos), 
-									 gAgent.getPosGlobalFromAgent(gSky.getSunDirection() + joint_world_pos), shadow_pos, normal);
-			shadow_pos_agent = gAgent.getPosAgentFromGlobal(shadow_pos);
-			foot_height = joint_world_pos.mV[VZ] - shadow_pos_agent.mV[VZ];
-
-			// Pull sprite in direction of surface normal
-			shadow_pos_agent += normal * SHADOW_OFFSET_AMT;
-
-			// Render sprite
-			sprite.setNormal(normal);
-			if (isSelf() && gAgentCamera.getCameraMode() == CAMERA_MODE_MOUSELOOK)
-			{
-				sprite.setColor(0.f, 0.f, 0.f, 0.f);
-			}
-			else
-			{
-				sprite.setColor(0.f, 0.f, 0.f, clamp_rescale(foot_height, MIN_SHADOW_HEIGHT, MAX_SHADOW_HEIGHT, 0.5f, 0.f));
-			}
-			sprite.setPosition(shadow_pos_agent);
-
-			LLVector3 foot_to_knee = mKneeRightp->getWorldPosition() - joint_world_pos;
-			//foot_to_knee.normalize();
-			foot_to_knee -= projected_vec(foot_to_knee, sun_vec);
-			sprite.setYaw(azimuth(sun_vec - foot_to_knee));
-	
-			sprite.updateFace(*face1p);
-		}
-	}
-}
-
-//-----------------------------------------------------------------------------
 // updateSexDependentLayerSets()
 //-----------------------------------------------------------------------------
 void LLVOAvatar::updateSexDependentLayerSets( BOOL upload_bake )
@@ -5413,9 +5253,12 @@ void LLVOAvatar::updateSexDependentLayerSets( BOOL upload_bake )
 //-----------------------------------------------------------------------------
 void LLVOAvatar::dirtyMesh()
 {
-	mDirtyMesh = TRUE;
+	dirtyMesh(1);
+}
+void LLVOAvatar::dirtyMesh(S32 priority)
+{
+	mDirtyMesh = llmax(mDirtyMesh, priority);
 }
-
 //-----------------------------------------------------------------------------
 // hideSkirt()
 //-----------------------------------------------------------------------------
@@ -7593,18 +7436,15 @@ BOOL LLVOAvatar::updateLOD()
 	BOOL res = updateJointLODs();
 
 	LLFace* facep = mDrawable->getFace(0);
-	if (facep->mVertexBuffer.isNull() ||
-		(LLVertexBuffer::sEnableVBOs &&
-		((facep->mVertexBuffer->getUsage() == GL_STATIC_DRAW ? TRUE : FALSE) !=
-		 (facep->getPool()->getVertexShaderLevel() > 0 ? TRUE : FALSE))))
+	if (facep->mVertexBuffer.isNull())
 	{
-		mDirtyMesh = TRUE;
+		dirtyMesh(2);
 	}
 
-	if (mDirtyMesh || mDrawable->isState(LLDrawable::REBUILD_GEOMETRY))
+	if (mDirtyMesh >= 2 || mDrawable->isState(LLDrawable::REBUILD_GEOMETRY))
 	{	//LOD changed or new mesh created, allocate new vertex buffer if needed
 		updateMeshData();
-		mDirtyMesh = FALSE;
+		mDirtyMesh = 0;
 		mNeedsSkin = TRUE;
 		mDrawable->clearState(LLDrawable::REBUILD_GEOMETRY);
 	}
diff --git a/indra/newview/llvoavatar.h b/indra/newview/llvoavatar.h
index c80d59966c..ff984d76c3 100644
--- a/indra/newview/llvoavatar.h
+++ b/indra/newview/llvoavatar.h
@@ -337,7 +337,6 @@ private:
  **/
 
 public:
-	U32 		renderFootShadows();
 	U32 		renderImpostor(LLColor4U color = LLColor4U(255,255,255,255), S32 diffuse_channel = 0);
 	U32 		renderRigid();
 	U32 		renderSkinned(EAvatarRenderPass pass);
@@ -571,7 +570,8 @@ protected:
 	void 			releaseMeshData();
 	virtual void restoreMeshData();
 private:
-	BOOL 			mDirtyMesh;
+	void 			dirtyMesh(S32 priority); // Dirty the avatar mesh, with priority
+	S32 			mDirtyMesh; // 0 -- not dirty, 1 -- morphed, 2 -- LOD
 	BOOL			mMeshTexturesDirty;
 
 	typedef std::multimap<std::string, LLPolyMesh*> polymesh_map_t;
diff --git a/indra/newview/llvovolume.cpp b/indra/newview/llvovolume.cpp
index 594435475f..34ae915a07 100644
--- a/indra/newview/llvovolume.cpp
+++ b/indra/newview/llvovolume.cpp
@@ -2451,6 +2451,17 @@ void LLVOVolume::updateSpotLightPriority()
 }
 
 
+bool LLVOVolume::isLightSpotlight() const
+{
+	LLLightImageParams* params = (LLLightImageParams*) getParameterEntry(LLNetworkData::PARAMS_LIGHT_IMAGE);
+	if (params)
+	{
+		return params->isLightSpotlight();
+	}
+	return false;
+}
+
+
 LLViewerTexture* LLVOVolume::getLightTexture()
 {
 	LLUUID id = getLightTextureID();
@@ -2910,9 +2921,7 @@ F32 LLVOVolume::getBinRadius()
 		{
 			LLFace* face = mDrawable->getFace(i);
 			if (face->getPoolType() == LLDrawPool::POOL_ALPHA &&
-				(!LLPipeline::sFastAlpha || 
-				face->getFaceColor().mV[3] != 1.f ||
-				!face->getTexture()->getIsAlphaMask()))
+			    !face->canRenderAsMask())
 			{
 				alpha_wrap = TRUE;
 				break;
@@ -3188,11 +3197,10 @@ void LLVolumeGeometryManager::registerFace(LLSpatialGroup* group, LLFace* facep,
 
 	S32 idx = draw_vec.size()-1;
 
-
 	BOOL fullbright = (type == LLRenderPass::PASS_FULLBRIGHT) ||
-					  (type == LLRenderPass::PASS_INVISIBLE) ||
-					  (type == LLRenderPass::PASS_ALPHA ? facep->isState(LLFace::FULLBRIGHT) : FALSE);
-
+		(type == LLRenderPass::PASS_INVISIBLE) ||
+		(type == LLRenderPass::PASS_ALPHA && facep->isState(LLFace::FULLBRIGHT));
+	
 	if (!fullbright && type != LLRenderPass::PASS_GLOW && !facep->mVertexBuffer->hasDataType(LLVertexBuffer::TYPE_NORMAL))
 	{
 		llwarns << "Non fullbright face has no normals!" << llendl;
@@ -3221,12 +3229,7 @@ void LLVolumeGeometryManager::registerFace(LLSpatialGroup* group, LLFace* facep,
 	
 	LLViewerTexture* tex = facep->getTexture();
 
-	U8 glow = 0;
-		
-	if (type == LLRenderPass::PASS_GLOW)
-	{
-		glow = (U8) (facep->getTextureEntry()->getGlow() * 255);
-	}
+	U8 glow = (U8) (facep->getTextureEntry()->getGlow() * 255);
 
 	if (facep->mVertexBuffer.isNull())
 	{
@@ -3291,6 +3294,7 @@ void LLVolumeGeometryManager::getGeometry(LLSpatialGroup* group)
 static LLFastTimer::DeclareTimer FTM_REBUILD_VOLUME_VB("Volume");
 static LLFastTimer::DeclareTimer FTM_REBUILD_VBO("VBO Rebuilt");
 
+
 void LLVolumeGeometryManager::rebuildGeom(LLSpatialGroup* group)
 {
 	if (group->changeLOD())
@@ -3416,10 +3420,7 @@ void LLVolumeGeometryManager::rebuildGeom(LLSpatialGroup* group)
 
 				if (type == LLDrawPool::POOL_ALPHA)
 				{
-					if (LLPipeline::sFastAlpha &&
-					    (te->getColor().mV[VW] == 1.0f) &&
-					    (!te->getFullbright()) && // hack: alpha masking renders fullbright faces invisible, need to figure out why - for now, avoid
-					    facep->getTexture()->getIsAlphaMask())
+					if (facep->canRenderAsMask())
 					{ //can be treated as alpha mask
 						simple_faces.push_back(facep);
 					}
@@ -3521,6 +3522,8 @@ void LLVolumeGeometryManager::rebuildGeom(LLSpatialGroup* group)
 }
 
 static LLFastTimer::DeclareTimer FTM_VOLUME_GEOM("Volume Geometry");
+static LLFastTimer::DeclareTimer FTM_VOLUME_GEOM_PARTIAL("Terse Rebuild");
+
 void LLVolumeGeometryManager::rebuildMesh(LLSpatialGroup* group)
 {
 	llassert(group);
@@ -3533,6 +3536,7 @@ void LLVolumeGeometryManager::rebuildMesh(LLSpatialGroup* group)
 		
 		for (LLSpatialGroup::element_iter drawable_iter = group->getData().begin(); drawable_iter != group->getData().end(); ++drawable_iter)
 		{
+			LLFastTimer t(FTM_VOLUME_GEOM_PARTIAL);
 			LLDrawable* drawablep = *drawable_iter;
 
 			if (drawablep->isDead() || drawablep->isState(LLDrawable::FORCE_INVISIBLE) )
@@ -3760,15 +3764,12 @@ void LLVolumeGeometryManager::genDrawInfo(LLSpatialGroup* group, U32 mask, std::
 
 			const LLTextureEntry* te = facep->getTextureEntry();
 
-			BOOL is_alpha = facep->getPoolType() == LLDrawPool::POOL_ALPHA ? TRUE : FALSE;
+			BOOL is_alpha = (facep->getPoolType() == LLDrawPool::POOL_ALPHA) ? TRUE : FALSE;
 		
 			if (is_alpha)
 			{
 				// can we safely treat this as an alpha mask?
-				if (LLPipeline::sFastAlpha &&
-				    (te->getColor().mV[VW] == 1.0f) &&
-				    (!te->getFullbright()) && // hack: alpha masking renders fullbright faces invisible, need to figure out why - for now, avoid
-				    facep->getTexture()->getIsAlphaMask())
+				if (facep->canRenderAsMask())
 				{
 					if (te->getFullbright())
 					{
@@ -3801,13 +3802,13 @@ void LLVolumeGeometryManager::genDrawInfo(LLSpatialGroup* group, U32 mask, std::
 				}
 				else if (LLPipeline::sRenderDeferred)
 				{
-					if (te->getBumpmap())
+					if (te->getFullbright())
 					{
-						registerFace(group, facep, LLRenderPass::PASS_BUMP);
+						registerFace(group, facep, LLRenderPass::PASS_FULLBRIGHT_SHINY);
 					}
-					else if (te->getFullbright())
+					else if (te->getBumpmap())
 					{
-						registerFace(group, facep, LLRenderPass::PASS_FULLBRIGHT_SHINY);
+						registerFace(group, facep, LLRenderPass::PASS_BUMP);
 					}
 					else
 					{
@@ -3836,7 +3837,7 @@ void LLVolumeGeometryManager::genDrawInfo(LLSpatialGroup* group, U32 mask, std::
 				}
 				else
 				{
-					if (LLPipeline::sRenderDeferred && te->getBumpmap())
+					if (LLPipeline::sRenderDeferred && LLPipeline::sRenderBump && te->getBumpmap())
 					{
 						registerFace(group, facep, LLRenderPass::PASS_BUMP);
 					}
@@ -3864,7 +3865,7 @@ void LLVolumeGeometryManager::genDrawInfo(LLSpatialGroup* group, U32 mask, std::
 				}
 			}
 
-			if (LLPipeline::sRenderGlow && te->getGlow() > 0.f)
+			if (!is_alpha && LLPipeline::sRenderGlow && te->getGlow() > 0.f)
 			{
 				registerFace(group, facep, LLRenderPass::PASS_GLOW);
 			}
diff --git a/indra/newview/llvovolume.h b/indra/newview/llvovolume.h
index a8bb597f93..fbae011ffc 100644
--- a/indra/newview/llvovolume.h
+++ b/indra/newview/llvovolume.h
@@ -215,6 +215,7 @@ public:
 	LLColor3 getLightBaseColor() const; // not scaled by intensity
 	LLColor3 getLightColor() const; // scaled by intensity
 	LLUUID	getLightTextureID() const;
+	bool isLightSpotlight() const;
 	LLVector3 getSpotLightParams() const;
 	void	updateSpotLightPriority();
 	F32		getSpotLightPriority() const;
diff --git a/indra/newview/llworld.cpp b/indra/newview/llworld.cpp
index 0b63f5efbd..c7148f8826 100644
--- a/indra/newview/llworld.cpp
+++ b/indra/newview/llworld.cpp
@@ -1028,9 +1028,11 @@ void LLWorld::disconnectRegions()
 	}
 }
 
+static LLFastTimer::DeclareTimer FTM_ENABLE_SIMULATOR("Enable Sim");
 
 void process_enable_simulator(LLMessageSystem *msg, void **user_data)
 {
+	LLFastTimer t(FTM_ENABLE_SIMULATOR);
 	// enable the appropriate circuit for this simulator and 
 	// add its values into the gSimulator structure
 	U64		handle;
diff --git a/indra/newview/pipeline.cpp b/indra/newview/pipeline.cpp
index 2d2fc38573..4fbc6bb5da 100644
--- a/indra/newview/pipeline.cpp
+++ b/indra/newview/pipeline.cpp
@@ -191,6 +191,7 @@ std::string gPoolNames[] =
 };
 
 void drawBox(const LLVector3& c, const LLVector3& r);
+void drawBoxOutline(const LLVector3& pos, const LLVector3& size);
 
 U32 nhpo2(U32 v) 
 {
@@ -268,7 +269,8 @@ BOOL	LLPipeline::sRenderHighlight = TRUE;
 BOOL	LLPipeline::sForceOldBakedUpload = FALSE;
 S32		LLPipeline::sUseOcclusion = 0;
 BOOL	LLPipeline::sDelayVBUpdate = TRUE;
-BOOL	LLPipeline::sFastAlpha = TRUE;
+BOOL	LLPipeline::sAutoMaskAlphaDeferred = TRUE;
+BOOL	LLPipeline::sAutoMaskAlphaNonDeferred = FALSE;
 BOOL	LLPipeline::sDisableShaders = FALSE;
 BOOL	LLPipeline::sRenderBump = TRUE;
 BOOL	LLPipeline::sUseTriStrips = TRUE;
@@ -361,6 +363,7 @@ void LLPipeline::init()
 	sDynamicLOD = gSavedSettings.getBOOL("RenderDynamicLOD");
 	sRenderBump = gSavedSettings.getBOOL("RenderObjectBump");
 	sUseTriStrips = gSavedSettings.getBOOL("RenderUseTriStrips");
+	LLVertexBuffer::sUseStreamDraw = gSavedSettings.getBOOL("RenderUseStreamVBO");
 	sRenderAttachedLights = gSavedSettings.getBOOL("RenderAttachedLights");
 	sRenderAttachedParticles = gSavedSettings.getBOOL("RenderAttachedParticles");
 
@@ -407,6 +410,8 @@ void LLPipeline::init()
 	{
 		mSpotLightFade[i] = 1.f;
 	}
+
+	setLightingDetail(-1);
 }
 
 LLPipeline::~LLPipeline()
@@ -509,6 +514,7 @@ void LLPipeline::destroyGL()
 }
 
 static LLFastTimer::DeclareTimer FTM_RESIZE_SCREEN_TEXTURE("Resize Screen Texture");
+
 void LLPipeline::resizeScreenTexture()
 {
 	LLFastTimer ft(FTM_RESIZE_SCREEN_TEXTURE);
@@ -565,9 +571,12 @@ void LLPipeline::allocateScreenBuffer(U32 resX, U32 resY)
 
 		F32 scale = gSavedSettings.getF32("RenderShadowResolutionScale");
 
+		//HACK: make alpha masking work on ATI depth shadows (work around for ATI driver bug)
+		U32 shadow_fmt = gGLManager.mIsATI ? GL_ALPHA : 0;
+
 		for (U32 i = 0; i < 4; i++)
 		{
-			mShadow[i].allocate(U32(resX*scale),U32(resY*scale), 0, TRUE, FALSE, LLTexUnit::TT_RECT_TEXTURE);
+			mShadow[i].allocate(U32(resX*scale),U32(resY*scale), shadow_fmt, TRUE, FALSE, LLTexUnit::TT_RECT_TEXTURE);
 		}
 
 
@@ -576,11 +585,9 @@ void LLPipeline::allocateScreenBuffer(U32 resX, U32 resY)
 
 		for (U32 i = 4; i < 6; i++)
 		{
-			mShadow[i].allocate(width, height, 0, TRUE, FALSE);
+			mShadow[i].allocate(width, height, shadow_fmt, TRUE, FALSE);
 		}
 
-
-
 		width = nhpo2(resX)/2;
 		height = nhpo2(resY)/2;
 		mLuminanceMap.allocate(width,height, GL_RGBA, FALSE, FALSE);
@@ -624,10 +631,11 @@ void LLPipeline::allocateScreenBuffer(U32 resX, U32 resY)
 void LLPipeline::updateRenderDeferred()
 {
 	BOOL deferred = (gSavedSettings.getBOOL("RenderDeferred") && 
-		LLRenderTarget::sUseFBO &&
-		gSavedSettings.getBOOL("VertexShaderEnable") && 
-		gSavedSettings.getBOOL("RenderAvatarVP") &&
-		gSavedSettings.getBOOL("WindLightUseAtmosShaders")) ? TRUE : FALSE;
+			 LLRenderTarget::sUseFBO &&
+			 LLFeatureManager::getInstance()->isFeatureAvailable("RenderDeferred") &&
+			 gSavedSettings.getBOOL("VertexShaderEnable") && 
+			 gSavedSettings.getBOOL("RenderAvatarVP") &&
+			 gSavedSettings.getBOOL("WindLightUseAtmosShaders")) ? TRUE : FALSE;
 	
 	sRenderDeferred = deferred;			
 }
@@ -902,13 +910,18 @@ S32 LLPipeline::setLightingDetail(S32 level)
 
 	if (level < 0)
 	{
-		level = gSavedSettings.getS32("RenderLightingDetail");
+		if (gSavedSettings.getBOOL("VertexShaderEnable"))
+		{
+			level = 1;
+		}
+		else
+		{
+			level = 0;
+		}
 	}
 	level = llclamp(level, 0, getMaxLightingDetail());
 	if (level != mLightingDetail)
 	{
-		gSavedSettings.setS32("RenderLightingDetail", level);
-		
 		mLightingDetail = level;
 
 		if (mVertexShadersLoaded == 1)
@@ -1512,8 +1525,10 @@ BOOL LLPipeline::visibleObjectsInFrustum(LLCamera& camera)
 
 BOOL LLPipeline::getVisibleExtents(LLCamera& camera, LLVector3& min, LLVector3& max)
 {
-	min = LLVector3(F32_MAX, F32_MAX, F32_MAX);
-	max = LLVector3(-F32_MAX, -F32_MAX, -F32_MAX);
+	const F32 X = 65536.f;
+
+	min = LLVector3(X,X,X);
+	max = LLVector3(-X,-X,-X);
 
 	U32 saved_camera_id = LLViewerCamera::sCurCameraID;
 	LLViewerCamera::sCurCameraID = LLViewerCamera::CAMERA_WORLD;
@@ -1946,31 +1961,40 @@ void LLPipeline::updateGeom(F32 max_dtime)
 void LLPipeline::markVisible(LLDrawable *drawablep, LLCamera& camera)
 {
 	LLMemType mt(LLMemType::MTYPE_PIPELINE_MARK_VISIBLE);
-	if(!drawablep || drawablep->isDead())
-	{
-		return;
-	}
-	
-	if (drawablep->isSpatialBridge())
-	{
-		LLDrawable* root = ((LLSpatialBridge*) drawablep)->mDrawable;
 
-		if (root && root->getParent() && root->getVObj() && root->getVObj()->isAttachment())
+	if(drawablep && !drawablep->isDead())
+	{
+		if (drawablep->isSpatialBridge())
 		{
-			LLVOAvatar* av = root->getParent()->getVObj()->asAvatar();
-			if (av && av->isImpostor())
+			const LLDrawable* root = ((LLSpatialBridge*) drawablep)->mDrawable;
+			llassert(root); // trying to catch a bad assumption
+			if (root && //  // this test may not be needed, see above
+			    root->getVObj()->isAttachment())
 			{
-				return;
+				LLDrawable* rootparent = root->getParent();
+				if (rootparent) // this IS sometimes NULL
+				{
+					LLViewerObject *vobj = rootparent->getVObj();
+					llassert(vobj); // trying to catch a bad assumption
+					if (vobj) // this test may not be needed, see above
+					{
+						const LLVOAvatar* av = vobj->asAvatar();
+						if (av && av->isImpostor())
+						{
+							return;
+						}
+					}
+				}
 			}
+			sCull->pushBridge((LLSpatialBridge*) drawablep);
+		}
+		else
+		{
+			sCull->pushDrawable(drawablep);
 		}
-		sCull->pushBridge((LLSpatialBridge*) drawablep);
-	}
-	else
-	{
-		sCull->pushDrawable(drawablep);
-	}
 
-	drawablep->setVisible(camera);
+		drawablep->setVisible(camera);
+	}
 }
 
 void LLPipeline::markMoved(LLDrawable *drawablep, BOOL damped_motion)
@@ -3410,26 +3434,14 @@ void LLPipeline::renderGeomPostDeferred(LLCamera& camera)
 	gGLLastMatrix = NULL;
 	glLoadMatrixd(gGLModelView);
 
-	renderHighlights();
-	mHighlightFaces.clear();
-
-	renderDebug();
-
-	LLVertexBuffer::unbind();
-
-	if (gPipeline.hasRenderDebugFeatureMask(LLPipeline::RENDER_DEBUG_FEATURE_UI))
-	{
-		// Render debugging beacons.
-		gObjectList.renderObjectBeacons();
-		gObjectList.resetObjectBeacons();
-	}
-
 	if (occlude)
 	{
 		occlude = FALSE;
 		gGLLastMatrix = NULL;
 		glLoadMatrixd(gGLModelView);
 		doOcclusion(camera);
+		gGLLastMatrix = NULL;
+		glLoadMatrixd(gGLModelView);
 	}
 }
 
@@ -3592,12 +3604,17 @@ void LLPipeline::renderDebug()
 
 		for (U32 i = 0; i < 8; i++)
 		{
+			LLVector3* frust = mShadowCamera[i].mAgentFrustum;
+
 			if (i > 3)
-			{
+			{ //render shadow frusta as volumes
+				if (mShadowFrustPoints[i-4].empty())
+				{
+					continue;
+				}
+
 				gGL.color4fv(col+(i-4)*4);	
 			
-				LLVector3* frust = mShadowCamera[i].mAgentFrustum;
-
 				gGL.begin(LLRender::TRIANGLE_STRIP);
 				gGL.vertex3fv(frust[0].mV); gGL.vertex3fv(frust[4].mV);
 				gGL.vertex3fv(frust[1].mV); gGL.vertex3fv(frust[5].mV);
@@ -3625,31 +3642,49 @@ void LLPipeline::renderDebug()
 	
 			if (i < 4)
 			{
-				gGL.begin(LLRender::LINES);
-				
-				F32* c = col+i*4;
-				for (U32 j = 0; j < mShadowFrustPoints[i].size(); ++j)
+
+				if (i == 0 || !mShadowFrustPoints[i].empty())
 				{
-					
-					gGL.color3fv(c);
+					//render visible point cloud
+					gGL.flush();
+					glPointSize(8.f);
+					gGL.begin(LLRender::POINTS);
 
-					for (U32 k = 0; k < mShadowFrustPoints[i].size(); ++k)
-					{
-						if (j != k)
-						{
-							gGL.vertex3fv(mShadowFrustPoints[i][j].mV);
-							gGL.vertex3fv(mShadowFrustPoints[i][k].mV);
-						}
-					}
+					F32* c = col+i*4;
+					gGL.color3fv(c);
 
-					if (!mShadowFrustOrigin[i].isExactlyZero())
-					{
+					for (U32 j = 0; j < mShadowFrustPoints[i].size(); ++j)
+					{	
 						gGL.vertex3fv(mShadowFrustPoints[i][j].mV);
-						gGL.color4f(1,1,1,1);
-						gGL.vertex3fv(mShadowFrustOrigin[i].mV);
+						
 					}
+					gGL.end();
+
+					gGL.flush();
+					glPointSize(1.f);
+
+					LLVector3* ext = mShadowExtents[i]; 
+					LLVector3 pos = (ext[0]+ext[1])*0.5f;
+					LLVector3 size = (ext[1]-ext[0])*0.5f;
+					drawBoxOutline(pos, size);
+
+					//render camera frustum splits as outlines
+					gGL.begin(LLRender::LINES);
+					gGL.vertex3fv(frust[0].mV); gGL.vertex3fv(frust[1].mV);
+					gGL.vertex3fv(frust[1].mV); gGL.vertex3fv(frust[2].mV);
+					gGL.vertex3fv(frust[2].mV); gGL.vertex3fv(frust[3].mV);
+					gGL.vertex3fv(frust[3].mV); gGL.vertex3fv(frust[0].mV);
+					gGL.vertex3fv(frust[4].mV); gGL.vertex3fv(frust[5].mV);
+					gGL.vertex3fv(frust[5].mV); gGL.vertex3fv(frust[6].mV);
+					gGL.vertex3fv(frust[6].mV); gGL.vertex3fv(frust[7].mV);
+					gGL.vertex3fv(frust[7].mV); gGL.vertex3fv(frust[4].mV);
+					gGL.vertex3fv(frust[0].mV); gGL.vertex3fv(frust[4].mV);
+					gGL.vertex3fv(frust[1].mV); gGL.vertex3fv(frust[5].mV);
+					gGL.vertex3fv(frust[2].mV); gGL.vertex3fv(frust[6].mV);
+					gGL.vertex3fv(frust[3].mV); gGL.vertex3fv(frust[7].mV);
+					gGL.end();
 				}
-				gGL.end();
+
 			}
 
 			/*for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin(); 
@@ -4273,7 +4308,7 @@ void LLPipeline::setupAvatarLights(BOOL for_edit)
 		glLightf (GL_LIGHT1, GL_LINEAR_ATTENUATION, 	 0.0f);
 		glLightf (GL_LIGHT1, GL_QUADRATIC_ATTENUATION, 0.0f);
 		glLightf (GL_LIGHT1, GL_SPOT_EXPONENT, 		 0.0f);
-		glLightf (GL_LIGHT1, GL_SPOT_CUTOFF, 			 180.0f);
+		glLightf (GL_LIGHT1, GL_SPOT_CUTOFF,		 180.0f);
 	}
 	else if (gAvatarBacklight) // Always true (unless overridden in a devs .ini)
 	{
@@ -4561,32 +4596,41 @@ void LLPipeline::setupHWLights(LLDrawPool* pool)
 			LLVector4 light_pos_gl(light_pos, 1.0f);
 	
 			F32 light_radius = llmax(light->getLightRadius(), 0.001f);
-			F32 atten, quad;
 
-#if 0 //1.9.1
-			if (pool->getVertexShaderLevel() > 0)
-			{
-				atten = light_radius;
-				quad = llmax(light->getLightFalloff(), 0.0001f);
-			}
-			else
-#endif
-			{
-				F32 x = (3.f * (1.f + light->getLightFalloff()));
-				atten = x / (light_radius); // % of brightness at radius
-				quad = 0.0f;
-			}
+			F32 x = (3.f * (1.f + light->getLightFalloff())); // why this magic?  probably trying to match a historic behavior.
+			float linatten = x / (light_radius); // % of brightness at radius
+
 			mHWLightColors[cur_light] = light_color;
 			S32 gllight = GL_LIGHT0+cur_light;
 			glLightfv(gllight, GL_POSITION, light_pos_gl.mV);
 			glLightfv(gllight, GL_DIFFUSE,  light_color.mV);
 			glLightfv(gllight, GL_AMBIENT,  LLColor4::black.mV);
-			glLightfv(gllight, GL_SPECULAR, LLColor4::black.mV);
 			glLightf (gllight, GL_CONSTANT_ATTENUATION,   0.0f);
-			glLightf (gllight, GL_LINEAR_ATTENUATION,     atten);
-			glLightf (gllight, GL_QUADRATIC_ATTENUATION,  quad);
-			glLightf (gllight, GL_SPOT_EXPONENT,          0.0f);
-			glLightf (gllight, GL_SPOT_CUTOFF,            180.0f);
+			glLightf (gllight, GL_LINEAR_ATTENUATION,     linatten);
+			glLightf (gllight, GL_QUADRATIC_ATTENUATION,  0.0f);
+			if (light->isLightSpotlight()) // directional (spot-)light
+			{
+				LLVector3 spotparams = light->getSpotLightParams();
+				LLQuaternion quat = light->getRenderRotation();
+				LLVector3 at_axis(0,0,-1); // this matches deferred rendering's object light direction
+				at_axis *= quat;
+				//llinfos << "SPOT!!!!!!! fov: " << spotparams.mV[0] << " focus: " << spotparams.mV[1] << " dir: " << at_axis << llendl;
+				glLightfv(gllight, GL_SPOT_DIRECTION, at_axis.mV);
+				glLightf (gllight, GL_SPOT_EXPONENT,  2.0f); // 2.0 = good old dot product ^ 2
+				glLightf (gllight, GL_SPOT_CUTOFF,    90.0f); // hemisphere
+				const float specular[] = {0.f, 0.f, 0.f, 0.f};
+				glLightfv(gllight, GL_SPECULAR, specular);
+			}
+			else // omnidirectional (point) light
+			{
+				glLightf (gllight, GL_SPOT_EXPONENT, 0.0f);
+				glLightf (gllight, GL_SPOT_CUTOFF,   180.0f);
+
+				// we use specular.w = 1.0 as a cheap hack for the shaders to know that this is omnidirectional rather than a spotlight
+				const float specular[] = {0.f, 0.f, 0.f, 1.f};
+				glLightfv(gllight, GL_SPECULAR, specular);
+				//llinfos << "boring light" << llendl;
+			}
 			cur_light++;
 			if (cur_light >= 8)
 			{
@@ -4613,13 +4657,10 @@ void LLPipeline::setupHWLights(LLDrawPool* pool)
 		LLVector4 light_pos_gl(light_pos, 1.0f);
 
 		F32 light_radius = 16.f;
-		F32 atten, quad;
 
-		{
-			F32 x = 3.f;
-			atten = x / (light_radius); // % of brightness at radius
-			quad = 0.0f;
-		}
+		F32 x = 3.f;
+		float linatten = x / (light_radius); // % of brightness at radius
+
 		mHWLightColors[2] = light_color;
 		S32 gllight = GL_LIGHT2;
 		glLightfv(gllight, GL_POSITION, light_pos_gl.mV);
@@ -4627,8 +4668,8 @@ void LLPipeline::setupHWLights(LLDrawPool* pool)
 		glLightfv(gllight, GL_AMBIENT,  LLColor4::black.mV);
 		glLightfv(gllight, GL_SPECULAR, LLColor4::black.mV);
 		glLightf (gllight, GL_CONSTANT_ATTENUATION,   0.0f);
-		glLightf (gllight, GL_LINEAR_ATTENUATION,     atten);
-		glLightf (gllight, GL_QUADRATIC_ATTENUATION,  quad);
+		glLightf (gllight, GL_LINEAR_ATTENUATION,     linatten);
+		glLightf (gllight, GL_QUADRATIC_ATTENUATION,  0.0f);
 		glLightf (gllight, GL_SPOT_EXPONENT,          0.0f);
 		glLightf (gllight, GL_SPOT_CUTOFF,            180.0f);
 	}
@@ -4749,16 +4790,16 @@ void LLPipeline::enableLightsFullbright(const LLColor4& color)
 	enableLights(mask);
 
 	glLightModelfv(GL_LIGHT_MODEL_AMBIENT,color.mV);
-	if (mLightingDetail >= 2)
+	/*if (mLightingDetail >= 2)
 	{
 		glColor4f(0.f, 0.f, 0.f, 1.f); // no local lighting by default
-	}
+	}*/
 }
 
 void LLPipeline::disableLights()
 {
 	enableLights(0); // no lighting (full bright)
-	glColor4f(1.f, 1.f, 1.f, 1.f); // lighting color = white by default
+	//glColor4f(1.f, 1.f, 1.f, 1.f); // lighting color = white by default
 }
 
 //============================================================================
@@ -5361,6 +5402,7 @@ void LLPipeline::resetVertexBuffers()
 {
 	sRenderBump = gSavedSettings.getBOOL("RenderObjectBump");
 	sUseTriStrips = gSavedSettings.getBOOL("RenderUseTriStrips");
+	LLVertexBuffer::sUseStreamDraw = gSavedSettings.getBOOL("RenderUseStreamVBO");
 
 	for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin(); 
 			iter != LLWorld::getInstance()->getRegionList().end(); ++iter)
@@ -5496,6 +5538,7 @@ void LLPipeline::bindScreenToTexture()
 }
 
 static LLFastTimer::DeclareTimer FTM_RENDER_BLOOM("Bloom");
+
 void LLPipeline::renderBloom(BOOL for_snapshot, F32 zoom_factor, int subfield)
 {
 	LLMemType mt_ru(LLMemType::MTYPE_PIPELINE_RENDER_BLOOM);
@@ -5818,6 +5861,12 @@ void LLPipeline::renderBloom(BOOL for_snapshot, F32 zoom_factor, int subfield)
 
 		gGL.getTexUnit(0)->activate();
 		gGL.getTexUnit(0)->setTextureBlendType(LLTexUnit::TB_MULT);
+
+		if (LLRenderTarget::sUseFBO)
+		{ //copy depth buffer from mScreen to framebuffer
+			LLRenderTarget::copyContentsToFramebuffer(mScreen, 0, 0, mScreen.getWidth(), mScreen.getHeight(), 
+				0, 0, mScreen.getWidth(), mScreen.getHeight(), GL_DEPTH_BUFFER_BIT, GL_NEAREST);
+		}
 	}
 	
 
@@ -5834,8 +5883,12 @@ void LLPipeline::renderBloom(BOOL for_snapshot, F32 zoom_factor, int subfield)
 
 }
 
+static LLFastTimer::DeclareTimer FTM_BIND_DEFERRED("Bind Deferred");
+
 void LLPipeline::bindDeferredShader(LLGLSLShader& shader, U32 light_index, LLRenderTarget* gi_source, LLRenderTarget* last_gi_post, U32 noise_map)
 {
+	LLFastTimer t(FTM_BIND_DEFERRED);
+
 	if (noise_map == 0xFFFFFFFF)
 	{
 		noise_map = mNoiseMap;
@@ -6173,11 +6226,16 @@ void LLPipeline::bindDeferredShader(LLGLSLShader& shader, U32 light_index, LLRen
 								matrix_nondiag, matrix_nondiag, matrix_diag};
 	shader.uniformMatrix3fv("ssao_effect_mat", 1, GL_FALSE, ssao_effect_mat);
 
+	F32 shadow_offset_error = 1.f + gSavedSettings.getF32("RenderShadowOffsetError") * fabsf(LLViewerCamera::getInstance()->getOrigin().mV[2]);
+	F32 shadow_bias_error = 1.f + gSavedSettings.getF32("RenderShadowBiasError") * fabsf(LLViewerCamera::getInstance()->getOrigin().mV[2]);
+
 	shader.uniform2f("screen_res", mDeferredScreen.getWidth(), mDeferredScreen.getHeight());
 	shader.uniform1f("near_clip", LLViewerCamera::getInstance()->getNear()*2.f);
-	shader.uniform1f("alpha_soften", gSavedSettings.getF32("RenderDeferredAlphaSoften"));
-	shader.uniform1f ("shadow_offset", gSavedSettings.getF32("RenderShadowOffset"));
-	shader.uniform1f("shadow_bias", gSavedSettings.getF32("RenderShadowBias"));
+	shader.uniform1f ("shadow_offset", gSavedSettings.getF32("RenderShadowOffset")*shadow_offset_error);
+	shader.uniform1f("shadow_bias", gSavedSettings.getF32("RenderShadowBias")*shadow_bias_error);
+	shader.uniform1f ("spot_shadow_offset", gSavedSettings.getF32("RenderSpotShadowOffset"));
+	shader.uniform1f("spot_shadow_bias", gSavedSettings.getF32("RenderSpotShadowBias"));	
+
 	shader.uniform1f("lum_scale", gSavedSettings.getF32("RenderLuminanceScale"));
 	shader.uniform1f("sun_lum_scale", gSavedSettings.getF32("RenderSunLuminanceScale"));
 	shader.uniform1f("sun_lum_offset", gSavedSettings.getF32("RenderSunLuminanceOffset"));
@@ -6271,16 +6329,16 @@ void LLPipeline::renderDeferredLighting()
 			glTexCoord4f(tc.v[0], tc.v[1], tc.v[2], 0);
 		}
 
-		if (gSavedSettings.getBOOL("RenderDeferredShadow"))
-		{
-			glPushMatrix();
-			glLoadIdentity();
-			glMatrixMode(GL_PROJECTION);
-			glPushMatrix();
-			glLoadIdentity();
+		glPushMatrix();
+		glLoadIdentity();
+		glMatrixMode(GL_PROJECTION);
+		glPushMatrix();
+		glLoadIdentity();
 
-			mDeferredLight[0].bindTarget();
-			if (gSavedSettings.getBOOL("RenderDeferredSun"))
+		mDeferredLight[0].bindTarget();
+
+		if (gSavedSettings.getBOOL("RenderDeferredSSAO") || gSavedSettings.getS32("RenderShadowDetail") > 0)
+		{
 			{ //paint shadow/SSAO light map (direct lighting lightmap)
 				LLFastTimer ftm(FTM_SUN_SHADOW);
 				bindDeferredShader(gDeferredSunProgram, 0);
@@ -6321,18 +6379,22 @@ void LLPipeline::renderDeferredLighting()
 				
 				unbindDeferredShader(gDeferredSunProgram);
 			}
-			else
-			{
-				mDeferredLight[0].clear(GL_COLOR_BUFFER_BIT);
-			}
+		}
+		else
+		{
+			glClearColor(1,1,1,1);
+			mDeferredLight[0].clear(GL_COLOR_BUFFER_BIT);
+			glClearColor(0,0,0,0);
+		}
 
-			mDeferredLight[0].flush();
+		mDeferredLight[0].flush();
 
+		{ //global illumination specific block (still experimental)
 			if (gSavedSettings.getBOOL("RenderDeferredBlurLight") &&
-			    gSavedSettings.getBOOL("RenderDeferredGI"))
-			{
+				gSavedSettings.getBOOL("RenderDeferredGI"))
+			{ 
 				LLFastTimer ftm(FTM_EDGE_DETECTION);
-				//get edge map
+				//generate edge map
 				LLGLDisable blend(GL_BLEND);
 				LLGLDisable test(GL_ALPHA_TEST);
 				LLGLDepthTest depth(GL_FALSE);
@@ -6429,79 +6491,79 @@ void LLPipeline::renderDeferredLighting()
 					unbindDeferredShader(gDeferredPostGIProgram);
 				}
 			}
+		}
 
-			if (gSavedSettings.getBOOL("RenderDeferredBlurLight"))
-			{ //soften direct lighting lightmap
-				LLFastTimer ftm(FTM_SOFTEN_SHADOW);
-				//blur lightmap
-				mDeferredLight[1].bindTarget();
+		if (gSavedSettings.getBOOL("RenderDeferredSSAO"))
+		{ //soften direct lighting lightmap
+			LLFastTimer ftm(FTM_SOFTEN_SHADOW);
+			//blur lightmap
+			mDeferredLight[1].bindTarget();
 
-				glClearColor(1,1,1,1);
-				mDeferredLight[1].clear(GL_COLOR_BUFFER_BIT);
-				glClearColor(0,0,0,0);
-				
-				bindDeferredShader(gDeferredBlurLightProgram);
+			glClearColor(1,1,1,1);
+			mDeferredLight[1].clear(GL_COLOR_BUFFER_BIT);
+			glClearColor(0,0,0,0);
+			
+			bindDeferredShader(gDeferredBlurLightProgram);
 
-				LLVector3 go = gSavedSettings.getVector3("RenderShadowGaussian");
-				const U32 kern_length = 4;
-				F32 blur_size = gSavedSettings.getF32("RenderShadowBlurSize");
-				F32 dist_factor = gSavedSettings.getF32("RenderShadowBlurDistFactor");
+			LLVector3 go = gSavedSettings.getVector3("RenderShadowGaussian");
+			const U32 kern_length = 4;
+			F32 blur_size = gSavedSettings.getF32("RenderShadowBlurSize");
+			F32 dist_factor = gSavedSettings.getF32("RenderShadowBlurDistFactor");
 
-				// sample symmetrically with the middle sample falling exactly on 0.0
-				F32 x = 0.f;
+			// sample symmetrically with the middle sample falling exactly on 0.0
+			F32 x = 0.f;
 
-				LLVector3 gauss[32]; // xweight, yweight, offset
+			LLVector3 gauss[32]; // xweight, yweight, offset
 
-				for (U32 i = 0; i < kern_length; i++)
-				{
-					gauss[i].mV[0] = llgaussian(x, go.mV[0]);
-					gauss[i].mV[1] = llgaussian(x, go.mV[1]);
-					gauss[i].mV[2] = x;
-					x += 1.f;
-				}
+			for (U32 i = 0; i < kern_length; i++)
+			{
+				gauss[i].mV[0] = llgaussian(x, go.mV[0]);
+				gauss[i].mV[1] = llgaussian(x, go.mV[1]);
+				gauss[i].mV[2] = x;
+				x += 1.f;
+			}
 
-				gDeferredBlurLightProgram.uniform2f("delta", 1.f, 0.f);
-				gDeferredBlurLightProgram.uniform1f("dist_factor", dist_factor);
-				gDeferredBlurLightProgram.uniform3fv("kern[0]", kern_length, gauss[0].mV);
-				gDeferredBlurLightProgram.uniform3fv("kern", kern_length, gauss[0].mV);
-				gDeferredBlurLightProgram.uniform1f("kern_scale", blur_size * (kern_length/2.f - 0.5f));
+			gDeferredBlurLightProgram.uniform2f("delta", 1.f, 0.f);
+			gDeferredBlurLightProgram.uniform1f("dist_factor", dist_factor);
+			gDeferredBlurLightProgram.uniform3fv("kern[0]", kern_length, gauss[0].mV);
+			gDeferredBlurLightProgram.uniform3fv("kern", kern_length, gauss[0].mV);
+			gDeferredBlurLightProgram.uniform1f("kern_scale", blur_size * (kern_length/2.f - 0.5f));
+		
+			{
+				LLGLDisable blend(GL_BLEND);
+				LLGLDepthTest depth(GL_TRUE, GL_FALSE, GL_ALWAYS);
+				stop_glerror();
+				glDrawArrays(GL_TRIANGLE_STRIP, 0, 3);
+				stop_glerror();
+			}
 			
-				{
-					LLGLDisable blend(GL_BLEND);
-					LLGLDepthTest depth(GL_TRUE, GL_FALSE, GL_ALWAYS);
-					stop_glerror();
-					glDrawArrays(GL_TRIANGLE_STRIP, 0, 3);
-					stop_glerror();
-				}
-				
-				mDeferredLight[1].flush();
-				unbindDeferredShader(gDeferredBlurLightProgram);
+			mDeferredLight[1].flush();
+			unbindDeferredShader(gDeferredBlurLightProgram);
 
-				bindDeferredShader(gDeferredBlurLightProgram, 1);
-				mDeferredLight[0].bindTarget();
+			bindDeferredShader(gDeferredBlurLightProgram, 1);
+			mDeferredLight[0].bindTarget();
 
-				gDeferredBlurLightProgram.uniform2f("delta", 0.f, 1.f);
+			gDeferredBlurLightProgram.uniform2f("delta", 0.f, 1.f);
 
-				{
-					LLGLDisable blend(GL_BLEND);
-					LLGLDepthTest depth(GL_TRUE, GL_FALSE, GL_ALWAYS);
-					stop_glerror();
-					glDrawArrays(GL_TRIANGLE_STRIP, 0, 3);
-					stop_glerror();
-				}
-				mDeferredLight[0].flush();
-				unbindDeferredShader(gDeferredBlurLightProgram);
+			{
+				LLGLDisable blend(GL_BLEND);
+				LLGLDepthTest depth(GL_TRUE, GL_FALSE, GL_ALWAYS);
+				stop_glerror();
+				glDrawArrays(GL_TRIANGLE_STRIP, 0, 3);
+				stop_glerror();
 			}
-
-			stop_glerror();
-			glPopMatrix();
-			stop_glerror();
-			glMatrixMode(GL_MODELVIEW);
-			stop_glerror();
-			glPopMatrix();
-			stop_glerror();
+			mDeferredLight[0].flush();
+			unbindDeferredShader(gDeferredBlurLightProgram);
 		}
 
+		stop_glerror();
+		glPopMatrix();
+		stop_glerror();
+		glMatrixMode(GL_MODELVIEW);
+		stop_glerror();
+		glPopMatrix();
+		stop_glerror();
+
 		//copy depth and stencil from deferred screen
 		//mScreen.copyContents(mDeferredScreen, 0, 0, mDeferredScreen.getWidth(), mDeferredScreen.getHeight(),
 		//					0, 0, mScreen.getWidth(), mScreen.getHeight(), GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT, GL_NEAREST);
@@ -6603,6 +6665,15 @@ void LLPipeline::renderDeferredLighting()
 						continue;
 					}
 
+					if (volume->isAttachment())
+					{
+						if (!sRenderAttachedLights)
+						{
+							continue;
+						}
+					}
+
+
 					LLVector3 center = drawablep->getPositionAgent();
 					F32* c = center.mV;
 					F32 s = volume->getLightRadius()*1.5f;
@@ -6653,7 +6724,7 @@ void LLPipeline::renderDeferredLighting()
 					{ //draw box if camera is outside box
 						if (render_local)
 						{
-							if (volume->getLightTexture())
+							if (volume->isLightSpotlight())
 							{
 								drawablep->getVOVolume()->updateSpotLightPriority();
 								spot_lights.push_back(drawablep);
@@ -6670,7 +6741,7 @@ void LLPipeline::renderDeferredLighting()
 					}
 					else if (render_fullscreen)
 					{	
-						if (volume->getLightTexture())
+						if (volume->isLightSpotlight())
 						{
 							drawablep->getVOVolume()->updateSpotLightPriority();
 							fullscreen_spot_lights.push_back(drawablep);
@@ -6896,6 +6967,24 @@ void LLPipeline::renderDeferredLighting()
 		mRenderTypeMask = render_mask;
 	}
 
+	{
+		//render highlights, etc.
+		renderHighlights();
+		mHighlightFaces.clear();
+
+		renderDebug();
+
+		LLVertexBuffer::unbind();
+
+		if (gPipeline.hasRenderDebugFeatureMask(LLPipeline::RENDER_DEBUG_FEATURE_UI))
+		{
+			// Render debugging beacons.
+			gObjectList.renderObjectBeacons();
+			LLHUDObject::renderAll();
+			gObjectList.resetObjectBeacons();
+		}
+	}
+
 	mScreen.flush();
 						
 }
@@ -7224,17 +7313,16 @@ void LLPipeline::generateWaterReflection(LLCamera& camera_in)
 									  (1<<LLPipeline::RENDER_TYPE_SKY) |
 									  (1<<LLPipeline::RENDER_TYPE_CLOUDS));	
 
-				if (gSavedSettings.getBOOL("RenderWaterReflections"))
+				S32 detail = gSavedSettings.getS32("RenderReflectionDetail");
+				if (detail > 0)
 				{ //mask out selected geometry based on reflection detail
-
-					S32 detail = gSavedSettings.getS32("RenderReflectionDetail");
-					if (detail < 3)
+					if (detail < 4)
 					{
 						mRenderTypeMask &= ~(1 << LLPipeline::RENDER_TYPE_PARTICLES);
-						if (detail < 2)
+						if (detail < 3)
 						{
 							mRenderTypeMask &= ~(1 << LLPipeline::RENDER_TYPE_AVATAR);
-							if (detail < 1)
+							if (detail < 2)
 							{
 								mRenderTypeMask &= ~(1 << LLPipeline::RENDER_TYPE_VOLUME);
 							}
@@ -7254,7 +7342,7 @@ void LLPipeline::generateWaterReflection(LLCamera& camera_in)
 			if (LLDrawPoolWater::sNeedsDistortionUpdate)
 			{
 				mRenderTypeMask = ref_mask;
-				if (gSavedSettings.getBOOL("RenderWaterReflections"))
+				if (gSavedSettings.getS32("RenderReflectionDetail") > 0)
 				{
 					gPipeline.grabReferences(ref_result);
 					LLGLUserClipPlane clip_plane(plane, mat, projection);
@@ -7518,115 +7606,172 @@ void LLPipeline::renderShadow(glh::matrix4f& view, glh::matrix4f& proj, LLCamera
 	LLPipeline::sShadowRender = FALSE;
 }
 
-
+static LLFastTimer::DeclareTimer FTM_VISIBLE_CLOUD("Visible Cloud");
 BOOL LLPipeline::getVisiblePointCloud(LLCamera& camera, LLVector3& min, LLVector3& max, std::vector<LLVector3>& fp, LLVector3 light_dir)
 {
+	LLFastTimer t(FTM_VISIBLE_CLOUD);
 	//get point cloud of intersection of frust and min, max
 
-	//get set of planes
-	std::vector<LLPlane> ps;
-	
 	if (getVisibleExtents(camera, min, max))
 	{
 		return FALSE;
 	}
 
-	ps.push_back(LLPlane(min, LLVector3(-1,0,0)));
-	ps.push_back(LLPlane(min, LLVector3(0,-1,0)));
-	ps.push_back(LLPlane(min, LLVector3(0,0,-1)));
-	ps.push_back(LLPlane(max, LLVector3(1,0,0)));
-	ps.push_back(LLPlane(max, LLVector3(0,1,0)));
-	ps.push_back(LLPlane(max, LLVector3(0,0,1)));
+	//get set of planes on bounding box
+	std::vector<LLPlane> bp;
+		
+	bp.push_back(LLPlane(min, LLVector3(-1,0,0)));
+	bp.push_back(LLPlane(min, LLVector3(0,-1,0)));
+	bp.push_back(LLPlane(min, LLVector3(0,0,-1)));
+	bp.push_back(LLPlane(max, LLVector3(1,0,0)));
+	bp.push_back(LLPlane(max, LLVector3(0,1,0)));
+	bp.push_back(LLPlane(max, LLVector3(0,0,1)));
+	
+	//potential points
+	std::vector<LLVector3> pp;
+
+	//add corners of AABB
+	pp.push_back(LLVector3(min.mV[0], min.mV[1], min.mV[2]));
+	pp.push_back(LLVector3(max.mV[0], min.mV[1], min.mV[2]));
+	pp.push_back(LLVector3(min.mV[0], max.mV[1], min.mV[2]));
+	pp.push_back(LLVector3(max.mV[0], max.mV[1], min.mV[2]));
+	pp.push_back(LLVector3(min.mV[0], min.mV[1], max.mV[2]));
+	pp.push_back(LLVector3(max.mV[0], min.mV[1], max.mV[2]));
+	pp.push_back(LLVector3(min.mV[0], max.mV[1], max.mV[2]));
+	pp.push_back(LLVector3(max.mV[0], max.mV[1], max.mV[2]));
 
-	/*if (!light_dir.isExactlyZero())
+	//add corners of camera frustum
+	for (U32 i = 0; i < 8; i++)
 	{
-		LLPlane ucp;
-		LLPlane mcp;
+		pp.push_back(camera.mAgentFrustum[i]);
+	}
 
-		F32 maxd = -1.f;
-		F32 mind = 1.f;
 
-		for (U32 i = 0; i < ps.size(); ++i)
-		{  //pick the plane most aligned to lightDir for user clip plane
-			LLVector3 n(ps[i].mV);
-			F32 da = n*light_dir;
-			if (da > maxd)
-			{
-				maxd = da;
-				ucp = ps[i];
-			}
+	//bounding box line segments
+	U32 bs[] = 
+	{
+		0,1,
+		1,3,
+		3,2,
+		2,0,
+
+		4,5,
+		5,7,
+		7,6,
+		6,4,
+
+		0,4,
+		1,5,
+		3,7,
+		2,6
+	};
+
+	for (U32 i = 0; i < 12; i++)
+	{ //for each line segment in bounding box
+		for (U32 j = 0; j < 6; j++) 
+		{ //for each plane in camera frustum
+			const LLPlane& cp = camera.getAgentPlane(j);
+			const LLVector3& v1 = pp[bs[i*2+0]];
+			const LLVector3& v2 = pp[bs[i*2+1]];
+			const LLVector3 n(cp.mV);
 
-			if (da < mind)
+			LLVector3 line = v1-v2;
+
+			F32 d1 = line*n;
+			F32 d2 = -cp.dist(v2);
+
+			F32 t = d2/d1;
+
+			if (t > 0.f && t < 1.f)
 			{
-				mind = da;
-				mcp = ps[i];
+				LLVector3 intersect = v2+line*t;
+				pp.push_back(intersect);
 			}
 		}
-			
-		camera.setUserClipPlane(ucp);
+	}
 
-		ps.clear();
-		ps.push_back(ucp);
-		ps.push_back(mcp);
-	}*/
-	
-	for (U32 i = 0; i < 6; i++)
+	//camera frustum line segments
+	const U32 fs[] =
 	{
-		ps.push_back(camera.getAgentPlane(i));
-	}
+		0,1,
+		1,2,
+		2,3,
+		3,1,
 
-	//get set of points where planes intersect and points are not above any plane
-	fp.clear();
-	
-	for (U32 i = 0; i < ps.size(); ++i)
+		4,5,
+		5,6,
+		6,7,
+		7,4,
+
+		0,4,
+		1,5,
+		2,6,
+		3,7	
+	};
+
+	LLVector3 center = (max+min)*0.5f;
+	LLVector3 size = (max-min)*0.5f;
+
+	for (U32 i = 0; i < 12; i++)
 	{
-		for (U32 j = 0; j < ps.size(); ++j)
+		for (U32 j = 0; j < 6; ++j)
 		{
-			for (U32 k = 0; k < ps.size(); ++k)
-			{
-				if (i == j ||
-					i == k ||
-					k == j)
-				{
-					continue;
-				}
+			const LLVector3& v1 = pp[fs[i*2+0]+8];
+			const LLVector3& v2 = pp[fs[i*2+1]+8];
+			const LLPlane& cp = bp[j];
+			const LLVector3 n(cp.mV);
 
-				LLVector3 n1,n2,n3;
-				F32 d1,d2,d3;
+			LLVector3 line = v1-v2;
 
-				n1.setVec(ps[i].mV);
-				n2.setVec(ps[j].mV);
-				n3.setVec(ps[k].mV);
+			F32 d1 = line*n;
+			F32 d2 = -cp.dist(v2);
 
-				d1 = ps[i].mV[3];
-				d2 = ps[j].mV[3];
-				d3 = ps[k].mV[3];
-			
-				//get point of intersection of 3 planes "p"
-				LLVector3 p = (-d1*(n2%n3)-d2*(n3%n1)-d3*(n1%n2))/(n1*(n2%n3));
-				
-				if (llround(p*n1+d1, 0.0001f) == 0.f &&
-					llround(p*n2+d2, 0.0001f) == 0.f &&
-					llround(p*n3+d3, 0.0001f) == 0.f)
-				{ //point is on all three planes
-					BOOL found = TRUE;
-					for (U32 l = 0; l < ps.size() && found; ++l)
-					{
-						if (llround(ps[l].dist(p), 0.0001f) > 0.0f)
-						{ //point is above some plane, not contained
-							found = FALSE;	
-						}
-					}
+			F32 t = d2/d1;
 
-					if (found)
-					{
-						fp.push_back(p);
-					}
-				}
-			}
+			if (t > 0.f && t < 1.f)
+			{
+				LLVector3 intersect = v2+line*t;
+				pp.push_back(intersect);
+			}	
 		}
 	}
 	
+	LLVector3 ext[] = { min-LLVector3(0.05f,0.05f,0.05f),
+		max+LLVector3(0.05f,0.05f,0.05f) };
+
+	for (U32 i = 0; i < pp.size(); ++i)
+	{
+		bool found = true;
+		
+		const F32* p = pp[i].mV;
+
+		for (U32 j = 0; j < 3; ++j)
+		{
+			if (p[j] < ext[0].mV[j] ||
+				p[j] > ext[1].mV[j])
+			{
+				found = false;
+				break;
+			}
+		}
+			
+		for (U32 j = 0; j < 6; ++j)
+		{
+			const LLPlane& cp = camera.getAgentPlane(j);
+			F32 dist = cp.dist(pp[i]);
+			if (dist > 0.05f) //point is above some plane, not contained
+			{
+				found = false;
+				break;
+			}
+		}
+
+		if (found)
+		{
+			fp.push_back(pp[i]);
+		}
+	}
+
 	if (fp.empty())
 	{
 		return FALSE;
@@ -7891,30 +8036,11 @@ void LLPipeline::generateHighlight(LLCamera& camera)
 
 void LLPipeline::generateSunShadow(LLCamera& camera)
 {
-	if (!sRenderDeferred || !gSavedSettings.getBOOL("RenderDeferredShadow"))
+	if (!sRenderDeferred || gSavedSettings.getS32("RenderShadowDetail") <= 0)
 	{
 		return;
 	}
 
-	//temporary hack to disable shadows but keep local lights
-	static BOOL clear = TRUE;
-	BOOL gen_shadow = gSavedSettings.getBOOL("RenderDeferredSunShadow");
-	if (!gen_shadow)
-	{
-		if (clear)
-		{
-			clear = FALSE;
-			for (U32 i = 0; i < 6; i++)
-			{
-				mShadow[i].bindTarget();
-				mShadow[i].clear();
-				mShadow[i].flush();
-			}
-		}
-		return;
-	}
-	clear = TRUE;
-
 	F64 last_modelview[16];
 	F64 last_projection[16];
 	for (U32 i = 0; i < 16; i++)
@@ -7991,16 +8117,31 @@ void LLPipeline::generateSunShadow(LLCamera& camera)
 	at.normVec();
 	
 	
+	LLCamera main_camera = camera;
+	
 	F32 near_clip = 0.f;
 	{
 		//get visible point cloud
 		std::vector<LLVector3> fp;
 
+		main_camera.calcAgentFrustumPlanes(main_camera.mAgentFrustum);
+		
 		LLVector3 min,max;
-		getVisiblePointCloud(camera,min,max,fp);
+		getVisiblePointCloud(main_camera,min,max,fp);
 
 		if (fp.empty())
 		{
+			if (!hasRenderDebugMask(RENDER_DEBUG_SHADOW_FRUSTA))
+			{
+				mShadowCamera[0] = main_camera;
+				mShadowExtents[0][0] = min;
+				mShadowExtents[0][1] = max;
+
+				mShadowFrustPoints[0].clear();
+				mShadowFrustPoints[1].clear();
+				mShadowFrustPoints[2].clear();
+				mShadowFrustPoints[3].clear();
+			}
 			mRenderTypeMask = type_mask;
 			return;
 		}
@@ -8075,7 +8216,7 @@ void LLPipeline::generateSunShadow(LLCamera& camera)
 		shadow_cam = camera;
 		shadow_cam.setFar(16.f);
 	
-		LLViewerCamera::updateFrustumPlanes(shadow_cam);
+		LLViewerCamera::updateFrustumPlanes(shadow_cam, FALSE, FALSE, TRUE);
 
 		LLVector3* frust = shadow_cam.mAgentFrustum;
 
@@ -8430,135 +8571,155 @@ void LLPipeline::generateSunShadow(LLCamera& camera)
 		}
 	}
 
-	
-
-	F32 fade_amt = gFrameIntervalSeconds * llmax(LLViewerCamera::getInstance()->getVelocityStat()->getCurrentPerSec(), 1.f);
 
-	//update shadow targets
-	for (U32 i = 0; i < 2; i++)
-	{ //for each current shadow
-		LLViewerCamera::sCurCameraID = LLViewerCamera::CAMERA_SHADOW4+i;
+	//hack to disable projector shadows 
+	static bool clear = true;
+	bool gen_shadow = gSavedSettings.getS32("RenderShadowDetail") > 1;
+	
+	if (gen_shadow)
+	{
+		clear = true;
+		F32 fade_amt = gFrameIntervalSeconds * llmax(LLViewerCamera::getInstance()->getVelocityStat()->getCurrentPerSec(), 1.f);
 
-		if (mShadowSpotLight[i].notNull() && 
-			(mShadowSpotLight[i] == mTargetShadowSpotLight[0] ||
-			mShadowSpotLight[i] == mTargetShadowSpotLight[1]))
-		{ //keep this spotlight
-			mSpotLightFade[i] = llmin(mSpotLightFade[i]+fade_amt, 1.f);
-		}
-		else
-		{ //fade out this light
-			mSpotLightFade[i] = llmax(mSpotLightFade[i]-fade_amt, 0.f);
-			
-			if (mSpotLightFade[i] == 0.f || mShadowSpotLight[i].isNull())
-			{ //faded out, grab one of the pending spots (whichever one isn't already taken)
-				if (mTargetShadowSpotLight[0] != mShadowSpotLight[(i+1)%2])
-				{
-					mShadowSpotLight[i] = mTargetShadowSpotLight[0];
-				}
-				else
-				{
-					mShadowSpotLight[i] = mTargetShadowSpotLight[1];
+		//update shadow targets
+		for (U32 i = 0; i < 2; i++)
+		{ //for each current shadow
+			LLViewerCamera::sCurCameraID = LLViewerCamera::CAMERA_SHADOW4+i;
+
+			if (mShadowSpotLight[i].notNull() && 
+				(mShadowSpotLight[i] == mTargetShadowSpotLight[0] ||
+				mShadowSpotLight[i] == mTargetShadowSpotLight[1]))
+			{ //keep this spotlight
+				mSpotLightFade[i] = llmin(mSpotLightFade[i]+fade_amt, 1.f);
+			}
+			else
+			{ //fade out this light
+				mSpotLightFade[i] = llmax(mSpotLightFade[i]-fade_amt, 0.f);
+				
+				if (mSpotLightFade[i] == 0.f || mShadowSpotLight[i].isNull())
+				{ //faded out, grab one of the pending spots (whichever one isn't already taken)
+					if (mTargetShadowSpotLight[0] != mShadowSpotLight[(i+1)%2])
+					{
+						mShadowSpotLight[i] = mTargetShadowSpotLight[0];
+					}
+					else
+					{
+						mShadowSpotLight[i] = mTargetShadowSpotLight[1];
+					}
 				}
 			}
 		}
-	}
-
-	for (S32 i = 0; i < 2; i++)
-	{
-		glh_set_current_modelview(saved_view);
-		glh_set_current_projection(saved_proj);
-
-		if (mShadowSpotLight[i].isNull())
+		
+		for (S32 i = 0; i < 2; i++)
 		{
-			continue;
-		}
+			glh_set_current_modelview(saved_view);
+			glh_set_current_projection(saved_proj);
 
-		LLVOVolume* volume = mShadowSpotLight[i]->getVOVolume();
+			if (mShadowSpotLight[i].isNull())
+			{
+				continue;
+			}
 
-		if (!volume)
-		{
-			mShadowSpotLight[i] = NULL;
-			continue;
-		}
+			LLVOVolume* volume = mShadowSpotLight[i]->getVOVolume();
 
-		LLDrawable* drawable = mShadowSpotLight[i];
+			if (!volume)
+			{
+				mShadowSpotLight[i] = NULL;
+				continue;
+			}
 
-		LLVector3 params = volume->getSpotLightParams();
-		F32 fov = params.mV[0];
+			LLDrawable* drawable = mShadowSpotLight[i];
 
-		//get agent->light space matrix (modelview)
-		LLVector3 center = drawable->getPositionAgent();
-		LLQuaternion quat = volume->getRenderRotation();
+			LLVector3 params = volume->getSpotLightParams();
+			F32 fov = params.mV[0];
 
-		//get near clip plane
-		LLVector3 scale = volume->getScale();
-		LLVector3 at_axis(0,0,-scale.mV[2]*0.5f);
-		at_axis *= quat;
+			//get agent->light space matrix (modelview)
+			LLVector3 center = drawable->getPositionAgent();
+			LLQuaternion quat = volume->getRenderRotation();
 
-		LLVector3 np = center+at_axis;
-		at_axis.normVec();
+			//get near clip plane
+			LLVector3 scale = volume->getScale();
+			LLVector3 at_axis(0,0,-scale.mV[2]*0.5f);
+			at_axis *= quat;
 
-		//get origin that has given fov for plane np, at_axis, and given scale
-		F32 dist = (scale.mV[1]*0.5f)/tanf(fov*0.5f);
+			LLVector3 np = center+at_axis;
+			at_axis.normVec();
 
-		LLVector3 origin = np - at_axis*dist;
+			//get origin that has given fov for plane np, at_axis, and given scale
+			F32 dist = (scale.mV[1]*0.5f)/tanf(fov*0.5f);
 
-		LLMatrix4 mat(quat, LLVector4(origin, 1.f));
+			LLVector3 origin = np - at_axis*dist;
 
-		view[i+4] = glh::matrix4f((F32*) mat.mMatrix);
+			LLMatrix4 mat(quat, LLVector4(origin, 1.f));
 
-		view[i+4] = view[i+4].inverse();
+			view[i+4] = glh::matrix4f((F32*) mat.mMatrix);
 
-		//get perspective matrix
-		F32 near_clip = dist+0.01f;
-		F32 width = scale.mV[VX];
-		F32 height = scale.mV[VY];
-		F32 far_clip = dist+volume->getLightRadius()*1.5f;
+			view[i+4] = view[i+4].inverse();
 
-		F32 fovy = fov * RAD_TO_DEG;
-		F32 aspect = width/height;
-		
-		proj[i+4] = gl_perspective(fovy, aspect, near_clip, far_clip);
+			//get perspective matrix
+			F32 near_clip = dist+0.01f;
+			F32 width = scale.mV[VX];
+			F32 height = scale.mV[VY];
+			F32 far_clip = dist+volume->getLightRadius()*1.5f;
 
-		//translate and scale to from [-1, 1] to [0, 1]
-		glh::matrix4f trans(0.5f, 0.f, 0.f, 0.5f,
-						0.f, 0.5f, 0.f, 0.5f,
-						0.f, 0.f, 0.5f, 0.5f,
-						0.f, 0.f, 0.f, 1.f);
+			F32 fovy = fov * RAD_TO_DEG;
+			F32 aspect = width/height;
+			
+			proj[i+4] = gl_perspective(fovy, aspect, near_clip, far_clip);
 
-		glh_set_current_modelview(view[i+4]);
-		glh_set_current_projection(proj[i+4]);
+			//translate and scale to from [-1, 1] to [0, 1]
+			glh::matrix4f trans(0.5f, 0.f, 0.f, 0.5f,
+							0.f, 0.5f, 0.f, 0.5f,
+							0.f, 0.f, 0.5f, 0.5f,
+							0.f, 0.f, 0.f, 1.f);
 
-		mSunShadowMatrix[i+4] = trans*proj[i+4]*view[i+4]*inv_view;
-		
-		for (U32 j = 0; j < 16; j++)
-		{
-			gGLLastModelView[j] = mShadowModelview[i+4].m[j];
-			gGLLastProjection[j] = mShadowProjection[i+4].m[j];
-		}
+			glh_set_current_modelview(view[i+4]);
+			glh_set_current_projection(proj[i+4]);
 
-		mShadowModelview[i+4] = view[i+4];
-		mShadowProjection[i+4] = proj[i+4];
+			mSunShadowMatrix[i+4] = trans*proj[i+4]*view[i+4]*inv_view;
+			
+			for (U32 j = 0; j < 16; j++)
+			{
+				gGLLastModelView[j] = mShadowModelview[i+4].m[j];
+				gGLLastProjection[j] = mShadowProjection[i+4].m[j];
+			}
 
-		LLCamera shadow_cam = camera;
-		shadow_cam.setFar(far_clip);
-		shadow_cam.setOrigin(origin);
+			mShadowModelview[i+4] = view[i+4];
+			mShadowProjection[i+4] = proj[i+4];
 
-		LLViewerCamera::updateFrustumPlanes(shadow_cam, FALSE, FALSE, TRUE);
+			LLCamera shadow_cam = camera;
+			shadow_cam.setFar(far_clip);
+			shadow_cam.setOrigin(origin);
 
-		stop_glerror();
+			LLViewerCamera::updateFrustumPlanes(shadow_cam, FALSE, FALSE, TRUE);
+
+			stop_glerror();
 
-		mShadow[i+4].bindTarget();
-		mShadow[i+4].getViewport(gGLViewport);
+			mShadow[i+4].bindTarget();
+			mShadow[i+4].getViewport(gGLViewport);
 
-		static LLCullResult result[2];
+			static LLCullResult result[2];
 
-		LLViewerCamera::sCurCameraID = LLViewerCamera::CAMERA_SHADOW0+i+4;
+			LLViewerCamera::sCurCameraID = LLViewerCamera::CAMERA_SHADOW0+i+4;
 
-		renderShadow(view[i+4], proj[i+4], shadow_cam, result[i], FALSE, FALSE);
+			renderShadow(view[i+4], proj[i+4], shadow_cam, result[i], FALSE, FALSE);
 
-		mShadow[i+4].flush();
- 	}
+			mShadow[i+4].flush();
+ 		}
+	}
+	else
+	{
+		if (clear)
+		{
+			clear = false;
+			for (U32 i = 4; i < 6; i++)
+			{
+				mShadow[i].bindTarget();
+				mShadow[i].clear();
+				mShadow[i].flush();
+			}
+		}
+	}
 
 	if (!gSavedSettings.getBOOL("CameraOffset"))
 	{
diff --git a/indra/newview/pipeline.h b/indra/newview/pipeline.h
index 60e0b0ae8c..a096a887b0 100644
--- a/indra/newview/pipeline.h
+++ b/indra/newview/pipeline.h
@@ -444,7 +444,8 @@ public:
 	static BOOL				sForceOldBakedUpload; // If true will not use capabilities to upload baked textures.
 	static S32				sUseOcclusion;  // 0 = no occlusion, 1 = read only, 2 = read/write
 	static BOOL				sDelayVBUpdate;
-	static BOOL				sFastAlpha;
+	static BOOL				sAutoMaskAlphaDeferred;
+	static BOOL				sAutoMaskAlphaNonDeferred;
 	static BOOL				sDisableShaders; // if TRUE, rendering will be done without shaders
 	static BOOL				sRenderBump;
 	static BOOL				sUseTriStrips;
diff --git a/indra/newview/skins/default/xui/en/menu_viewer.xml b/indra/newview/skins/default/xui/en/menu_viewer.xml
index c9ebeb60fb..66a6696a2c 100644
--- a/indra/newview/skins/default/xui/en/menu_viewer.xml
+++ b/indra/newview/skins/default/xui/en/menu_viewer.xml
@@ -2137,14 +2137,24 @@
                  parameter="RenderDebugPipeline" />
             </menu_item_check>
             <menu_item_check
-             label="Fast Alpha"
-             name="Fast Alpha">
+             label="Automatic Alpha Masks (deferred)"
+             name="Automatic Alpha Masks (deferred)">
                 <menu_item_check.on_check
                  function="CheckControl"
-                 parameter="RenderFastAlpha" />
+                 parameter="RenderAutoMaskAlphaDeferred" />
                 <menu_item_check.on_click
                  function="ToggleControl"
-                 parameter="RenderFastAlpha" />
+                 parameter="RenderAutoMaskAlphaDeferred" />
+            </menu_item_check>
+            <menu_item_check
+             label="Automatic Alpha Masks (non-deferred)"
+             name="Automatic Alpha Masks (non-deferred)">
+                <menu_item_check.on_check
+                 function="CheckControl"
+                 parameter="RenderAutoMaskAlphaNonDeferred" />
+                <menu_item_check.on_click
+                 function="ToggleControl"
+                 parameter="RenderAutoMaskAlphaNonDeferred" />
             </menu_item_check>
             <menu_item_check
              label="Animation Textures"
diff --git a/indra/newview/skins/default/xui/en/panel_preferences_graphics1.xml b/indra/newview/skins/default/xui/en/panel_preferences_graphics1.xml
index 0a56f711dd..68a0db3b89 100644
--- a/indra/newview/skins/default/xui/en/panel_preferences_graphics1.xml
+++ b/indra/newview/skins/default/xui/en/panel_preferences_graphics1.xml
@@ -155,12 +155,12 @@
 	 visiblity_control="ShowAdvancedGraphicsSettings"
      border="false"
 	 follows="top|left"
-     height="260"
+     height="283"
      label="CustomGraphics"
      layout="topleft"
      left="5"
      name="CustomGraphics Panel"
-     top="124"
+     top="101"
      width="485">
 		<text
 		type="string"
@@ -211,119 +211,111 @@
 			<check_box.commit_callback
 			function="Pref.VertexShaderEnable" />
 		</check_box>
-		<check_box
-		control_name="RenderWaterReflections"
+    <check_box
+		control_name="RenderDeferred"
 		height="16"
 		initial_value="true"
-		label="Water reflections"
+		label="Lighting and Shadows"
 		layout="topleft"
 		left_delta="0"
-		name="Reflections"
+		name="UseLightShaders"
 		top_pad="1"
 		width="256">
-			<check_box.commit_callback
+      <check_box.commit_callback
 			function="Pref.VertexShaderEnable" />
-		</check_box>
-		<text
-		type="string"
-		length="1"
-		follows="left|top"
-		height="12"
-		layout="topleft"
-		left_delta="0"
-		name="ReflectionDetailText"
-		top_pad="7"
-		width="128">
-			Reflection detail:
-		</text>
-		<radio_group
-		control_name="RenderReflectionDetail"
-		draw_border="false"
-		height="70"
-		layout="topleft"
-		left_delta="-2"
-		name="ReflectionDetailRadio"
-		top_pad="3"
-		width="321">
-			<radio_item
-			height="16"
-			label="Terrain and trees"
-			layout="topleft"
-			left="3"
-			name="0"
-			top="3"
-			width="315" />
-			<radio_item
-			height="16"
-			label="All static objects"
-			layout="topleft"
-			left_delta="0"
-			name="1"
-			top_delta="16"
-			width="315" />
-			<radio_item
-			height="16"
-			label="All avatars and objects"
-			layout="topleft"
-			left_delta="0"
-			name="2"
-			top_delta="16"
-			width="315" />
-			<radio_item
-			height="16"
-			label="Everything"
-			layout="topleft"
-			left_delta="0"
-			name="3"
-			top_delta="16"
-			width="315" />
-		</radio_group>
-		<text
-		type="string"
-		length="1"
-		follows="left|top"
-		height="12"
-		layout="topleft"
-		left_delta="2"
-		name="AvatarRenderingText"
-		top_pad="5"
-		width="158">
-			Avatar rendering:
-		</text>
-		<check_box
-		control_name="RenderUseImpostors"
+    </check_box>
+    <check_box
+		control_name="RenderDeferredSSAO"
 		height="16"
 		initial_value="true"
-		label="Avatar impostors"
+		label="Ambient Occlusion"
 		layout="topleft"
 		left_delta="0"
-		name="AvatarImpostors"
-		top_pad="7"
-		width="256" />
-		<check_box
-		control_name="RenderAvatarVP"
-		height="16"
-		initial_value="true"
-		label="Hardware skinning"
-		layout="topleft"
-		left_delta="0"
-		name="AvatarVertexProgram"
+		name="UseSSAO"
 		top_pad="1"
 		width="256">
-			<check_box.commit_callback
+      <check_box.commit_callback
 			function="Pref.VertexShaderEnable" />
-		</check_box>
-		<check_box
-		control_name="RenderAvatarCloth"
-		height="16"
-		initial_value="true"
-		label="Avatar cloth"
-		layout="topleft"
-		left_delta="0"
-		name="AvatarCloth"
-		top_pad="1"
-		width="256" />
+    </check_box>
 
+     <text
+    type="string"
+    length="1"
+    top_pad="8"
+    follows="top|left"
+    height="23"
+    width="110"
+    word_wrap="true"
+    layout="topleft"
+    left="10"
+    name="shadows_label">
+        Shadows:
+      </text>
+      <combo_box
+      control_name="RenderShadowDetail"
+      height="23"
+      layout="topleft"
+      left="10"
+      top_pad="0" 
+      name="ShadowDetail"
+      width="150">
+        <combo_box.item
+        label="None"
+        name="0"
+        value="0"/>
+        <combo_box.item
+        label="Sun/Moon"
+        name="1"
+        value="1"/>
+        <combo_box.item
+        label="Sun/Moon + Projectors"
+        name="2"
+        value="2"/>
+      </combo_box>
+
+      <text
+  type="string"
+  length="1"
+  top_pad="8"
+  follows="top|left"
+  height="23"
+  width="110"
+  word_wrap="true"
+  layout="topleft"
+  left="10"
+  name="reflection_label">
+        Water Reflections:
+      </text>
+      <combo_box
+      control_name="RenderReflectionDetail"
+      height="23"
+      layout="topleft"
+      left_="10"
+      top_pad ="0"
+      name="Reflections"
+      width="150">
+        <combo_box.item
+        label="Minimal"
+        name="0"
+        value="0"/>
+        <combo_box.item
+        label="Terrain and trees"
+        name="1"
+        value="1"/>
+        <combo_box.item
+        label="All static objects"
+        name="2"
+        value="2"/>
+        <combo_box.item
+        label="All avatars and objects"
+        name="3"
+        value="3"/>
+        <combo_box.item
+        label="Everything"
+        name="4"
+        value="4"/>
+      </combo_box>
+    
 		<slider
 		control_name="RenderFarClip"
 		decimal_digits="0"
@@ -522,7 +514,7 @@
         layout="topleft"
         left="469"
         name="PostProcessText"
-        top="305"
+        top="328"
         width="128">
            Low
         </text>
@@ -599,52 +591,61 @@
         width="128">
            Low
         </text>
+      <text
+      type="string"
+      length="1"
+      follows="left|top"
+      height="12"
+      layout="topleft"
+      left_delta="-260"
+      name="AvatarRenderingText"
+      top_pad="8"
+      width="128">
+        Avatar rendering:
+      </text>
+      <check_box
+      control_name="RenderUseImpostors"
+      height="16"
+      initial_value="true"
+      label="Avatar impostors"
+      layout="topleft"
+      left_delta="0"
+      name="AvatarImpostors"
+      top_pad="7"
+      width="256" />
+      <check_box
+      control_name="RenderAvatarVP"
+      height="16"
+      initial_value="true"
+      label="Hardware skinning"
+      layout="topleft"
+      left_delta="0"
+      name="AvatarVertexProgram"
+      top_pad="1"
+      width="256">
+        <check_box.commit_callback
+        function="Pref.VertexShaderEnable" />
+      </check_box>
+      <check_box
+      control_name="RenderAvatarCloth"
+      height="16"
+      initial_value="true"
+      label="Avatar cloth"
+      layout="topleft"
+      left_delta="0"
+      name="AvatarCloth"
+      top_pad="1"
+      width="256" />
         <text
         type="string"
         length="1"
         follows="left|top"
         height="12"
         layout="topleft"
-        left="200"
-        name="LightingDetailText"
-        top_pad="8"
-        width="140">
-           Lighting detail:
-        </text>
-        <radio_group
-        control_name="RenderLightingDetail"
-        draw_border="false"
-        height="38"
-        layout="topleft"
-        name="LightingDetailRadio"
-        top_pad="5"
-        width="200">
-           <radio_item
-            height="16"
-            label="Sun and moon only"
-            layout="topleft"
-            name="SunMoon"
-            value="0"
-            top="3"
-            width="156" />
-           <radio_item
-            height="16"
-            label="Nearby local lights"
-            layout="topleft"
-            name="LocalLights"
-            value="1"
-            top_delta="16"
-            width="156" />
-        </radio_group>
-        <text
-        type="string"
-        length="1"
-        follows="left|top"
-        height="12"
-        layout="topleft"
+        left="358"
         left_pad="-30"
         name="TerrainDetailText"
-        top="465"
+        top="488"
         width="155">
            Terrain detail:
         </text>
@@ -671,7 +672,7 @@
             name="2"
             top_delta="16"
             width="50" />
-        </radio_group>
+        </radio_group> -->
 	</panel>
 	
         <button