From 98cc2365034a93c69704daa69efb389799cc9627 Mon Sep 17 00:00:00 2001
From: Tofu Linden <tofu.linden@lindenlab.com>
Date: Tue, 24 Aug 2010 18:44:39 +0100
Subject: Backed out changeset a62bf7c0af21

Backing out this merge that I pushed (prematurely) to the wrong place.
---
 .../shaders/class1/deferred/alphaF.glsl            |  11 +
 .../shaders/class1/deferred/alphaV.glsl            |  25 +-
 .../shaders/class1/deferred/avatarAlphaV.glsl      |  25 +-
 .../shaders/class1/deferred/avatarF.glsl           |   3 +-
 .../shaders/class1/deferred/avatarShadowF.glsl     |   4 +-
 .../shaders/class1/deferred/blurLightF.glsl        |  23 +-
 .../shaders/class1/deferred/bumpF.glsl             |  14 +-
 .../shaders/class1/deferred/diffuseF.glsl          |  10 +-
 .../shaders/class1/deferred/fullbrightF.glsl       |  11 +
 .../app_settings/shaders/class1/deferred/giF.glsl  |   3 +-
 .../shaders/class1/deferred/impostorF.glsl         |   3 +-
 .../shaders/class1/deferred/multiPointLightF.glsl  |   4 +-
 .../shaders/class1/deferred/multiSpotLightF.glsl   | 103 +++------
 .../shaders/class1/deferred/pointLightF.glsl       |   3 +-
 .../shaders/class1/deferred/postgiF.glsl           |   9 +-
 .../shaders/class1/deferred/softenLightF.glsl      |  99 ++------
 .../shaders/class1/deferred/spotLightF.glsl        |  14 +-
 .../shaders/class1/deferred/sunLightF.glsl         | 191 ++++++++++++++-
 .../shaders/class1/deferred/sunLightSSAOF.glsl     | 124 ----------
 .../shaders/class1/deferred/terrainF.glsl          |   3 +-
 .../shaders/class1/deferred/treeF.glsl             |   3 +-
 .../shaders/class1/deferred/waterF.glsl            |  14 +-
 .../shaders/class1/lighting/lightFuncV.glsl        |   9 +-
 .../shaders/class2/deferred/alphaF.glsl            |  11 +
 .../shaders/class2/deferred/alphaV.glsl            |  24 +-
 .../shaders/class2/deferred/avatarAlphaV.glsl      |  25 +-
 .../shaders/class2/deferred/blurLightF.glsl        |   3 +-
 .../shaders/class2/deferred/edgeF.glsl             |  11 +-
 .../shaders/class2/deferred/multiSpotLightF.glsl   |  64 +----
 .../shaders/class2/deferred/softenLightF.glsl      |  86 ++-----
 .../shaders/class2/deferred/spotLightF.glsl        |  18 +-
 .../shaders/class2/deferred/sunLightF.glsl         |  80 +++++--
 .../shaders/class2/deferred/sunLightSSAOF.glsl     | 257 ---------------------
 .../shaders/class2/lighting/sumLightsV.glsl        |   9 +-
 .../shaders/class3/deferred/giDownsampleF.glsl     |  10 +-
 .../app_settings/shaders/class3/deferred/giF.glsl  |   3 +-
 .../shaders/class3/deferred/softenLightF.glsl      |  77 +-----
 .../shaders/class3/deferred/treeF.glsl             |   3 +-
 .../shaders/class3/lighting/sumLightsV.glsl        |  27 ++-
 39 files changed, 505 insertions(+), 911 deletions(-)
 delete mode 100644 indra/newview/app_settings/shaders/class1/deferred/sunLightSSAOF.glsl
 delete mode 100644 indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl

(limited to 'indra/newview/app_settings/shaders')

diff --git a/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl b/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl
index fea2e16090..4fb109d687 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl
@@ -24,6 +24,8 @@ 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)
@@ -55,6 +57,15 @@ 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 04e556c11a..1a7d58b07b 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 calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float is_pointlight);
+float calcPointLight(vec3 v, vec3 n, vec4 lp, float la);
 
 vec3 atmosAmbient(vec3 light);
 vec3 atmosAffectDirectionalLight(float lightIntensity);
@@ -41,22 +41,23 @@ void main()
 	calcAtmospherics(pos.xyz);
 
 	//vec4 color = calcLighting(pos.xyz, norm, gl_Color, vec4(0.));
-
-	vec4 col = vec4(0.0, 0.0, 0.0, gl_Color.a);
+	vec4 col;
+	col.a = gl_Color.a;
+	
+	// Add windlight lights
+	col.rgb = atmosAmbient(vec3(0.));
+	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*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[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[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 650fbcc3f5..c1988d3c78 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 calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float is_pointlight);
+float calcPointLight(vec3 v, vec3 n, vec4 lp, float la);
 
 vec3 atmosAmbient(vec3 light);
 vec3 atmosAffectDirectionalLight(float lightIntensity);
@@ -47,22 +47,23 @@ void main()
 	calcAtmospherics(pos.xyz);
 
 	//vec4 color = calcLighting(pos.xyz, norm, gl_Color, vec4(0.));
-
-	vec4 col = vec4(0.0, 0.0, 0.0, gl_Color.a);
+	vec4 col;
+	col.a = gl_Color.a;
+	
+	// Add windlight lights
+	col.rgb = atmosAmbient(vec3(0.));
+	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*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[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[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/avatarF.glsl b/indra/newview/app_settings/shaders/class1/deferred/avatarF.glsl
index afbe08a579..75df388941 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/avatarF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/avatarF.glsl
@@ -20,7 +20,6 @@ void main()
 	
 	gl_FragData[0] = vec4(diff.rgb, 0.0);
 	gl_FragData[1] = vec4(0,0,0,0);
-	vec3 nvn = normalize(vary_normal);
-	gl_FragData[2] = vec4(nvn.xy * 0.5 + 0.5, nvn.z, 0.0);
+	gl_FragData[2] = vec4(normalize(vary_normal)*0.5+0.5, 0.0);
 }
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/avatarShadowF.glsl b/indra/newview/app_settings/shaders/class1/deferred/avatarShadowF.glsl
index 085ffddeec..00083eb6b3 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 d1c5d7cb19..bd5e9dd758 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/blurLightF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/blurLightF.glsl
@@ -10,11 +10,13 @@
 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[4];
+uniform vec3 kern[32];
+uniform int kern_length;
 uniform float kern_scale;
 
 varying vec2 vary_fragcoord;
@@ -37,8 +39,7 @@ vec4 getPosition(vec2 pos_screen)
 
 void main() 
 {
-	vec3 norm = texture2DRect(normalMap, vary_fragcoord.xy).xyz;
-	norm = vec3((norm.xy-0.5)*2.0,norm.z); // unpack norm
+	vec3 norm = texture2DRect(normalMap, vary_fragcoord.xy).xyz*2.0-1.0;
 	vec3 pos = getPosition(vary_fragcoord.xy).xyz;
 	vec4 ccol = texture2DRect(lightMap, vary_fragcoord.xy).rgba;
 	
@@ -49,7 +50,7 @@ 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 < 4; i++)
+	for (int i = 1; i < kern_length; i++)
 	{
 		vec2 tc = vary_fragcoord.xy + kern[i].z*dlt;
 	        vec3 samppos = getPosition(tc).xyz; 
@@ -60,22 +61,12 @@ 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 2197744a37..1c29dae5f7 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/bumpF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/bumpF.glsl
@@ -14,16 +14,14 @@ varying vec3 vary_mat2;
 
 void main() 
 {
-	vec3 col = gl_Color.rgb * texture2D(diffuseMap, gl_TexCoord[0].xy).rgb;
+	vec3 col = 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(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
-	vec3 nvn = normalize(tnorm);
-	gl_FragData[2] = vec4(nvn.xy * 0.5 + 0.5, nvn.z, 0.0);
+	gl_FragData[0] = vec4(gl_Color.rgb*col, 0.0);
+	gl_FragData[1] = vec4(col*gl_Color.a, gl_Color.a);
+	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 3803119cda..5895ebda84 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/diffuseF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/diffuseF.glsl
@@ -11,10 +11,8 @@ varying vec3 vary_normal;
 
 void main() 
 {
-	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
-	vec3 nvn = normalize(vary_normal);
-	gl_FragData[2] = vec4(nvn.xy * 0.5 + 0.5, nvn.z, 0.0);
+	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);
+	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 0db9586a88..e518bddb98 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/fullbrightF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/fullbrightF.glsl
@@ -23,6 +23,8 @@ 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)
@@ -54,6 +56,15 @@ 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/giF.glsl b/indra/newview/app_settings/shaders/class1/deferred/giF.glsl
index d4b153c4af..b351eec6e5 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/giF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/giF.glsl
@@ -159,8 +159,7 @@ void main()
 {
 	vec2 pos_screen = vary_fragcoord.xy;
 	vec4 pos = getPosition(pos_screen);
-	vec3 norm = texture2DRect(normalMap, pos_screen).xyz;
-	norm = vec3((norm.xy-0.5)*2.0,norm.z); // unpack norm
+	vec3 norm = texture2DRect(normalMap, pos_screen).xyz*2.0-1.0;
 	
 	gl_FragData[0].xyz = giAmbient(pos, norm);
 }
diff --git a/indra/newview/app_settings/shaders/class1/deferred/impostorF.glsl b/indra/newview/app_settings/shaders/class1/deferred/impostorF.glsl
index 508bbf415e..8c140a7b4f 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/impostorF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/impostorF.glsl
@@ -11,8 +11,7 @@ uniform sampler2D specularMap;
 
 void main() 
 {
-	vec4 col = texture2D(diffuseMap, gl_TexCoord[0].xy);
-	gl_FragData[0] = vec4(col.rgb, col.a <= 0.5 ? 0.0 : 0.005);
+	gl_FragData[0] = texture2D(diffuseMap, gl_TexCoord[0].xy);
 	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/multiPointLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/multiPointLightF.glsl
index b494b521ca..797b9e9f3b 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/multiPointLightF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/multiPointLightF.glsl
@@ -53,9 +53,7 @@ void main()
 		discard;
 	}
 	
-	vec3 norm = texture2DRect(normalMap, frag.xy).xyz;
-	norm = vec3((norm.xy-0.5)*2.0,norm.z); // unpack norm
-	norm = normalize(norm);
+	vec3 norm = normalize(texture2DRect(normalMap, frag.xy).xyz*2.0-1.0);
 	vec4 spec = texture2DRect(specularRect, frag.xy);
 	vec3 diff = texture2DRect(diffuseRect, frag.xy).rgb;
 	float noise = texture2D(noiseMap, frag.xy/128.0).b;
diff --git a/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl
index 82e9450e68..28bcd720c0 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl
@@ -5,9 +5,8 @@
  * $License$
  */
 
-#version 120
 
-//class 1 -- no shadows
+#version 120
 
 #extension GL_ARB_texture_rectangle : enable
 
@@ -27,15 +26,12 @@ 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;
 
@@ -44,52 +40,6 @@ 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;
@@ -118,7 +68,7 @@ void main()
 	{
 		discard;
 	}
-		
+	
 	vec3 norm = texture2DRect(normalMap, frag.xy).xyz*2.0-1.0;
 	
 	norm = normalize(norm);
@@ -133,11 +83,7 @@ void main()
 	proj_tc.xyz /= proj_tc.w;
 	
 	float fa = gl_Color.a+1.0;
-	float dist_atten = min(1.0-(dist2-1.0*(1.0-fa))/fa, 1.0);
-	if (dist_atten <= 0.0)
-	{
-		discard;
-	}
+	float dist_atten = clamp(1.0-(dist2-1.0*(1.0-fa))/fa, 0.0, 1.0);
 	
 	lv = proj_origin-pos.xyz;
 	lv = normalize(lv);
@@ -155,32 +101,32 @@ 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 = texture2DLodDiffuse(projectionMap, proj_tc.xy, lod);
+			vec4 plcol = texture2DLod(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);
-		vec4 amb_plcol = texture2DLodAmbient(projectionMap, proj_tc.xy, proj_lod);
-							
+		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;
+		
 		amb_da += (da*da*0.5+0.5)*proj_ambiance;
-				
-		amb_da *= dist_atten * noise;
 			
+		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;
 	}
 	
@@ -198,28 +144,35 @@ void main()
 		{
 			vec3 pfinal = pos + ref * dot(pdelta, proj_n)/ds;
 			
-			vec4 stc = (proj_mat * vec4(pfinal.xyz, 1.0));
+			vec3 stc = (proj_mat * vec4(pfinal.xyz, 1.0)).xyz;
 
 			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);
-								
+				stc.xy /= stc.z+proj_near;
+					
 				if (stc.x < 1.0 &&
 					stc.y < 1.0 &&
 					stc.x > 0.0 &&
 					stc.y > 0.0)
 				{
-					vec4 scol = texture2DLodSpecular(projectionMap, stc.xy, proj_lod-spec.a*proj_lod);
+					vec4 scol = texture2DLod(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/pointLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/pointLightF.glsl
index 3aecbc5f23..78256e20cc 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/pointLightF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/pointLightF.glsl
@@ -55,8 +55,7 @@ void main()
 		discard;
 	}
 	
-	vec3 norm = texture2DRect(normalMap, frag.xy).xyz;
-	norm = vec3((norm.xy-0.5)*2.0,norm.z); // unpack norm
+	vec3 norm = texture2DRect(normalMap, frag.xy).xyz*2.0-1.0;
 	float da = dot(norm, lv);
 	if (da < 0.0)
 	{
diff --git a/indra/newview/app_settings/shaders/class1/deferred/postgiF.glsl b/indra/newview/app_settings/shaders/class1/deferred/postgiF.glsl
index bd554c2d84..9612aee405 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/postgiF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/postgiF.glsl
@@ -38,10 +38,10 @@ vec4 getPosition(vec2 pos_screen)
 
 void main() 
 {
-	vec3 norm = texture2DRect(normalMap, vary_fragcoord.xy).xyz;
-	norm = vec3((norm.xy-0.5)*2.0,norm.z); // unpack norm
+	vec3 norm = texture2DRect(normalMap, vary_fragcoord.xy).xyz*2.0-1.0;
 	vec3 pos = getPosition(vary_fragcoord.xy).xyz;
 	
+	
 	vec3 ccol = texture2DRect(giLightMap, vary_fragcoord.xy).rgb;
 	vec2 dlt = kern_scale * delta/(1.0+norm.xy*norm.xy);
 	dlt /= max(-pos.z*dist_factor, 1.0);
@@ -51,10 +51,9 @@ void main()
 	for (int i = 0; i < kern_length; i++)
 	{
 		vec2 tc = vary_fragcoord.xy + kern[i].y*dlt;
-		vec3 sampNorm = texture2DRect(normalMap, tc.xy).xyz;
-		sampNorm = vec3((sampNorm.xy-0.5)*2.0,sampNorm.z); // unpack norm
+	    vec3 sampNorm = texture2DRect(normalMap, tc.xy).xyz*2.0-1.0;
 	    
-		float d = dot(norm.xyz, sampNorm);
+	    float d = dot(norm.xyz, sampNorm);
 		
 		if (d > 0.8)
 		{
diff --git a/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl
index bef91e735d..b4b0d0ce9d 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl
@@ -11,7 +11,6 @@ uniform sampler2DRect diffuseRect;
 uniform sampler2DRect specularRect;
 uniform sampler2DRect positionMap;
 uniform sampler2DRect normalMap;
-uniform sampler2DRect lightMap;
 uniform sampler2DRect depthMap;
 uniform sampler2D	  noiseMap;
 uniform samplerCube environmentMap;
@@ -41,7 +40,7 @@ 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;
@@ -56,8 +55,9 @@ vec3 vary_AtmosAttenuation;
 uniform mat4 inv_proj;
 uniform vec2 screen_res;
 
-vec4 getPosition_d(vec2 pos_screen, float depth)
-{
+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;
 	vec2 sc = pos_screen.xy*2.0;
 	sc /= screen_res;
 	sc -= vec2(1.0,1.0);
@@ -68,12 +68,6 @@ vec4 getPosition_d(vec2 pos_screen, float depth)
 	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;
@@ -184,17 +178,7 @@ 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;
-	
-	/*  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);
+	vec4 tmpAmbient = ambient + (vec4(1.) - ambient) * cloud_shadow.x * 0.5;	
 
 	//haze color
 	setAdditiveColor(
@@ -257,10 +241,8 @@ vec3 scaleSoftClip(vec3 light)
 void main() 
 {
 	vec2 tc = vary_fragcoord.xy;
-	float depth = texture2DRect(depthMap, tc.xy).a;
-	vec3 pos = getPosition_d(tc, depth).xyz;
-	vec3 norm = texture2DRect(normalMap, tc).xyz;
-	norm = vec3((norm.xy-0.5)*2.0,norm.z); // unpack norm
+	vec3 pos = getPosition(tc).xyz;
+	vec3 norm = texture2DRect(normalMap, tc).xyz*2.0-1.0;
 	//vec3 nz = texture2D(noiseMap, vary_fragcoord.xy/128.0).xyz;
 	
 	float da = max(dot(norm.xyz, vary_light.xyz), 0.0);
@@ -268,76 +250,23 @@ void main()
 	vec4 diffuse = texture2DRect(diffuseRect, tc);
 	vec4 spec = texture2DRect(specularRect, vary_fragcoord.xy);
 	
-	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);
+	calcAtmospherics(pos.xyz, 0.0);
 	
 	vec3 col = atmosAmbient(vec3(0));
-	col += atmosAffectDirectionalLight(max(min(da, scol), diffuse.a));
+	col += atmosAffectDirectionalLight(clamp(da, diffuse.a, 1.0));
 	
 	col *= diffuse.rgb;
 	
-	if (spec.a > 0.0) // specular reflection
+	if (spec.a > 0.0)
 	{
-		// 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 = texture2DRect(normalMap, ref2d).rgb;
-		refn = normalize(vec3((refn.xy-0.5)*2.0,refn.z)); // unpack norm
-		// 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;
+		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;
 	}
 	
 	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 1b95b253c3..2a7234fd83 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/spotLightF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/spotLightF.glsl
@@ -68,8 +68,7 @@ void main()
 		discard;
 	}
 	
-	vec3 norm = texture2DRect(normalMap, frag.xy).xyz;
-	norm = vec3((norm.xy-0.5)*2.0,norm.z); // unpack norm
+	vec3 norm = texture2DRect(normalMap, frag.xy).xyz*2.0-1.0;
 	
 	norm = normalize(norm);
 	float l_dist = -dot(lv, proj_n);
@@ -162,6 +161,17 @@ 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 56e4055c02..22bdd2c7f3 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/sunLightF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/sunLightF.glsl
@@ -5,11 +5,196 @@
  * $License$
  */
 
-//class 1, no shadow, no SSAO, should never be called
-
 #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;
+}
+
+//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));
+}
+
 void main() 
 {
-	gl_FragColor = vec4(0,0,0,0);
+	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;
 }
diff --git a/indra/newview/app_settings/shaders/class1/deferred/sunLightSSAOF.glsl b/indra/newview/app_settings/shaders/class1/deferred/sunLightSSAOF.glsl
deleted file mode 100644
index cdbed4b791..0000000000
--- a/indra/newview/app_settings/shaders/class1/deferred/sunLightSSAOF.glsl
+++ /dev/null
@@ -1,124 +0,0 @@
-/** 
- * @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;
-	norm = vec3((norm.xy-0.5)*2.0,norm.z); // unpack norm
-		
-	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/terrainF.glsl b/indra/newview/app_settings/shaders/class1/deferred/terrainF.glsl
index fa0a60c98d..3cccfb7202 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/terrainF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/terrainF.glsl
@@ -29,7 +29,6 @@ void main()
 	
 	gl_FragData[0] = vec4(outColor.rgb, 0.0);
 	gl_FragData[1] = vec4(outColor.rgb*0.2, 0.2);
-	vec3 nvn = normalize(vary_normal);
-	gl_FragData[2] = vec4(nvn.xy * 0.5 + 0.5, nvn.z, 0.0);
+	gl_FragData[2] = vec4(normalize(vary_normal)*0.5+0.5, 0.0);
 }
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/treeF.glsl b/indra/newview/app_settings/shaders/class1/deferred/treeF.glsl
index 5b33ea5bfe..258acee08c 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/treeF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/treeF.glsl
@@ -14,6 +14,5 @@ void main()
 	vec4 col = texture2D(diffuseMap, gl_TexCoord[0].xy);
 	gl_FragData[0] = vec4(gl_Color.rgb*col.rgb, col.a <= 0.5 ? 0.0 : 0.005);
 	gl_FragData[1] = vec4(0,0,0,0);
-	vec3 nvn = normalize(vary_normal);
-	gl_FragData[2] = vec4(nvn.xy * 0.5 + 0.5, nvn.z, 0.0);
+	gl_FragData[2] = vec4(normalize(vary_normal)*0.5+0.5, 0.0);
 }
diff --git a/indra/newview/app_settings/shaders/class1/deferred/waterF.glsl b/indra/newview/app_settings/shaders/class1/deferred/waterF.glsl
index 361ae8dc84..d21575119d 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 an nvidia compiler bug
+	// Note we actually want to use just df1, but multiplying by 0.999999 gets around and 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 *= 0.1f;
-	//wavef = normalize(wavef);
-	vec3 screenspacewavef = (norm_mat*vec4(wavef, 1.0)).xyz;
+	//wavef.z = -0.25f;
+	wavef = normalize(wavef);
+	wavef = (norm_mat*vec4(wavef, 1.0)).xyz;
 	
-	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.xy*0.5+0.5, screenspacewavef.z, screenspacewavef.z*0.5); // normalxyz, displace
+	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);
 }
diff --git a/indra/newview/app_settings/shaders/class1/lighting/lightFuncV.glsl b/indra/newview/app_settings/shaders/class1/lighting/lightFuncV.glsl
index da49e59b89..3e8fdfb3e4 100644
--- a/indra/newview/app_settings/shaders/class1/lighting/lightFuncV.glsl
+++ b/indra/newview/app_settings/shaders/class1/lighting/lightFuncV.glsl
@@ -12,8 +12,7 @@ float calcDirectionalLight(vec3 n, vec3 l)
 	return a;
 }
 
-
-float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float is_pointlight)
+float calcPointLight(vec3 v, vec3 n, vec4 lp, float la)
 {
 	//get light vector
 	vec3 lv = lp.xyz-v;
@@ -27,13 +26,9 @@ float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, floa
 	//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 665fe16b43..ad16de6d81 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/alphaF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/alphaF.glsl
@@ -29,6 +29,8 @@ varying vec3 vary_fragcoord;
 varying vec3 vary_position;
 varying vec3 vary_light;
 
+uniform float alpha_soften;
+
 uniform float shadow_bias;
 
 uniform mat4 inv_proj;
@@ -113,6 +115,15 @@ 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 1fae8c4da3..5991e1f3b5 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 calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float is_pointlight);
+float calcPointLight(vec3 v, vec3 n, vec4 lp, float la);
 
 vec3 atmosAmbient(vec3 light);
 vec3 atmosAffectDirectionalLight(float lightIntensity);
@@ -42,21 +42,23 @@ void main()
 	calcAtmospherics(pos.xyz);
 
 	//vec4 color = calcLighting(pos.xyz, norm, gl_Color, vec4(0.));
-	vec4 col = vec4(0.0, 0.0, 0.0, gl_Color.a);
+	vec4 col;
+	col.a = gl_Color.a;
+	
+	// Add windlight lights
+	col.rgb = atmosAmbient(vec3(0.));
+	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*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[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[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 f8dd1b7431..a939499b17 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 calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float is_pointlight);
+float calcPointLight(vec3 v, vec3 n, vec4 lp, float la);
 
 vec3 atmosAmbient(vec3 light);
 vec3 atmosAffectDirectionalLight(float lightIntensity);
@@ -53,22 +53,23 @@ void main()
 	calcAtmospherics(pos.xyz);
 
 	//vec4 color = calcLighting(pos.xyz, norm, gl_Color, vec4(0.));
-
-	vec4 col = vec4(0.0, 0.0, 0.0, gl_Color.a);
+	vec4 col;
+	col.a = gl_Color.a;
+	
+	// Add windlight lights
+	col.rgb = atmosAmbient(vec3(0.));
+	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*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[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[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/blurLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/blurLightF.glsl
index d1c5d7cb19..0fad5b4b50 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/blurLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/blurLightF.glsl
@@ -37,8 +37,7 @@ vec4 getPosition(vec2 pos_screen)
 
 void main() 
 {
-	vec3 norm = texture2DRect(normalMap, vary_fragcoord.xy).xyz;
-	norm = vec3((norm.xy-0.5)*2.0,norm.z); // unpack norm
+	vec3 norm = texture2DRect(normalMap, vary_fragcoord.xy).xyz*2.0-1.0;
 	vec3 pos = getPosition(vary_fragcoord.xy).xyz;
 	vec4 ccol = texture2DRect(lightMap, vary_fragcoord.xy).rgba;
 	
diff --git a/indra/newview/app_settings/shaders/class2/deferred/edgeF.glsl b/indra/newview/app_settings/shaders/class2/deferred/edgeF.glsl
index e32e9f4b32..02beddd43b 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/edgeF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/edgeF.glsl
@@ -31,8 +31,7 @@ float getDepth(vec2 pos_screen)
 
 void main() 
 {
-	vec3 norm = texture2DRect(normalMap, vary_fragcoord.xy).xyz;
-	norm = vec3((norm.xy-0.5)*2.0,norm.z); // unpack norm
+	vec3 norm = texture2DRect(normalMap, vary_fragcoord.xy).xyz*2.0-1.0;
 	float depth = getDepth(vary_fragcoord.xy);
 	
 	vec2 tc = vary_fragcoord.xy;
@@ -47,12 +46,8 @@ void main()
 	de = step(depth_cutoff, de);
 	
 	vec2 ne;
-	vec3 nexnorm = texture2DRect(normalMap, tc+vec2(-sc,-sc)).rgb;
-	nexnorm = vec3((nexnorm.xy-0.5)*2.0,nexnorm.z); // unpack norm
-	ne.x = dot(nexnorm, norm);
-	vec3 neynorm = texture2DRect(normalMap, tc+vec2(sc,sc)).rgb;
-	neynorm = vec3((neynorm.xy-0.5)*2.0,neynorm.z); // unpack norm
-	ne.y = dot(neynorm, norm);
+	ne.x = dot(texture2DRect(normalMap, tc+vec2(-sc,-sc)).rgb*2.0-1.0, norm);
+	ne.y = dot(texture2DRect(normalMap, tc+vec2(sc,sc)).rgb*2.0-1.0, norm);
 	
 	ne = 1.0-ne;
 	
diff --git a/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl
index 22ffb58c63..651959413c 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl
@@ -43,52 +43,6 @@ 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;
@@ -129,8 +83,7 @@ void main()
 		shadow = min(sh[proj_shadow_idx]+shadow_fade, 1.0);
 	}
 	
-	vec3 norm = texture2DRect(normalMap, frag.xy).xyz;
-	norm = vec3((norm.xy-0.5)*2.0,norm.z); // unpack norm
+	vec3 norm = texture2DRect(normalMap, frag.xy).xyz*2.0-1.0;
 	
 	norm = normalize(norm);
 	float l_dist = -dot(lv, proj_n);
@@ -173,7 +126,7 @@ void main()
 			float diff = clamp((l_dist-proj_focus)/proj_range, 0.0, 1.0);
 			float lod = diff * proj_lod;
 			
-			vec4 plcol = texture2DLodDiffuse(projectionMap, proj_tc.xy, lod);
+			vec4 plcol = texture2DLod(projectionMap, proj_tc.xy, lod);
 		
 			vec3 lcol = gl_Color.rgb * plcol.rgb * plcol.a;
 			
@@ -184,7 +137,7 @@ void main()
 		}
 		
 		//float diff = clamp((proj_range-proj_focus)/proj_range, 0.0, 1.0);
-		vec4 amb_plcol = texture2DLodAmbient(projectionMap, proj_tc.xy, proj_lod);
+		vec4 amb_plcol = texture2DLod(projectionMap, proj_tc.xy, proj_ambient_lod);
 							
 		amb_da += (da*da*0.5+0.5)*proj_ambiance;
 				
@@ -214,23 +167,22 @@ 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 = texture2DLodSpecular(projectionMap, stc.xy, proj_lod-spec.a*proj_lod);
+					vec4 scol = texture2DLod(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 fd6ae2b960..531f7376a3 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
@@ -11,7 +11,6 @@ uniform sampler2DRect diffuseRect;
 uniform sampler2DRect specularRect;
 uniform sampler2DRect normalMap;
 uniform sampler2DRect lightMap;
-uniform sampler2DRect depthMap;
 uniform sampler2D	  noiseMap;
 uniform samplerCube environmentMap;
 uniform sampler2D	  lightFunc;
@@ -42,6 +41,7 @@ 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;
 
@@ -55,8 +55,9 @@ vec3 vary_AmblitColor;
 vec3 vary_AdditiveColor;
 vec3 vary_AtmosAttenuation;
 
-vec4 getPosition_d(vec2 pos_screen, float depth)
-{
+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;
 	vec2 sc = pos_screen.xy*2.0;
 	sc /= screen_res;
 	sc -= vec2(1.0,1.0);
@@ -67,12 +68,6 @@ vec4 getPosition_d(vec2 pos_screen, float depth)
 	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;
@@ -256,10 +251,8 @@ vec3 scaleSoftClip(vec3 light)
 void main() 
 {
 	vec2 tc = vary_fragcoord.xy;
-	float depth = texture2DRect(depthMap, tc.xy).a;
-	vec3 pos = getPosition_d(tc, depth).xyz;
-	vec3 norm = texture2DRect(normalMap, tc).xyz;
-	norm = vec3((norm.xy-0.5)*2.0,norm.z); // unpack norm
+	vec3 pos = getPosition(tc).xyz;
+	vec3 norm = texture2DRect(normalMap, tc).xyz*2.0-1.0;
 	//vec3 nz = texture2D(noiseMap, vary_fragcoord.xy/128.0).xyz;
 	
 	float da = max(dot(norm.xyz, vary_light.xyz), 0.0);
@@ -278,67 +271,24 @@ void main()
 	
 	col *= diffuse.rgb;
 	
-	if (spec.a > 0.0) // specular reflection
+	if (spec.a > 0.0)
 	{
-		// 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 = texture2DRect(normalMap, ref2d).rgb;
-		refn = vec3((refn.xy-0.5)*2.0,refn.z); // unpack norm
-		refn = normalize(refn);
-		// 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;
+		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;
 	}
 	
 	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 8a90199b7c..d6534083cf 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/spotLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/spotLightF.glsl
@@ -82,8 +82,7 @@ void main()
 		discard;
 	}
 	
-	vec3 norm = texture2DRect(normalMap, frag.xy).xyz;
-	norm = vec3((norm.xy-0.5)*2.0,norm.z); // unpack norm
+	vec3 norm = texture2DRect(normalMap, frag.xy).xyz*2.0-1.0;
 	
 	norm = normalize(norm);
 	float l_dist = -dot(lv, proj_n);
@@ -180,6 +179,21 @@ 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 7423347346..a0026edcd2 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl
@@ -7,8 +7,6 @@
 
 #extension GL_ARB_texture_rectangle : enable
 
-//class 2, shadows, no SSAO
-
 uniform sampler2DRect depthMap;
 uniform sampler2DRect normalMap;
 uniform sampler2DRectShadow shadowMap0;
@@ -41,9 +39,6 @@ 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;
@@ -57,6 +52,56 @@ 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;
@@ -78,7 +123,7 @@ float pcfShadow(sampler2DRectShadow shadowMap, vec4 stc, float scl)
 float pcfShadow(sampler2DShadow shadowMap, vec4 stc, float scl)
 {
 	stc.xyz /= stc.w;
-	stc.z += spot_shadow_bias*scl;
+	stc.z += shadow_bias*scl;
 	
 	float cs = shadow2D(shadowMap, stc.xyz).x;
 	float shadow = cs;
@@ -89,7 +134,8 @@ 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;
@@ -103,10 +149,7 @@ void main()
 	
 	vec4 pos = getPosition(pos_screen);
 	
-	vec4 nmap4 = texture2DRect(normalMap, pos_screen);
-	nmap4 = vec4((nmap4.xy-0.5)*2.0,nmap4.z,nmap4.w); // unpack norm
-	float displace = nmap4.w;
-	vec3 norm = nmap4.xyz;
+    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
 	{
@@ -115,12 +158,9 @@ 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));
 
-	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);
+	vec4 spos = vec4(pos.xyz + vary_light.xyz * (1.0-dp_directional_light)*shadow_offset, 1.0);
 	
 	if (spos.z > -shadow_clip.w)
 	{	
@@ -180,17 +220,15 @@ void main()
 	}
 	
 	gl_FragColor[0] = shadow;
-	gl_FragColor[1] = 1.0;
-	
-	spos = vec4(shadow_pos+norm*spot_shadow_offset, 1.0);
+	gl_FragColor[1] = calcAmbientOcclusion(pos, norm);
 	
 	//spotlight shadow 1
 	vec4 lpos = shadow_matrix[4]*spos;
-	gl_FragColor[2] = pcfShadow(shadowMap4, lpos, 0.8); 
+	gl_FragColor[2] = pcfShadow(shadowMap4, lpos, 0.1).x; 
 	
 	//spotlight shadow 2
 	lpos = shadow_matrix[5]*spos;
-	gl_FragColor[3] = pcfShadow(shadowMap5, lpos, 0.8); 
+	gl_FragColor[3] = pcfShadow(shadowMap5, lpos, 0.1).x; 
 
 	//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
deleted file mode 100644
index 4e33a1af45..0000000000
--- a/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl
+++ /dev/null
@@ -1,257 +0,0 @@
-/** 
- * @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);
-	nmap4 = vec4((nmap4.xy-0.5)*2.0,nmap4.z,nmap4.w); // unpack norm
-	float displace = nmap4.w;
-	vec3 norm = nmap4.xyz;
-	
-	/*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 19800d96dc..f4c59734a4 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 calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float is_pointlight);
+float calcPointLight(vec3 v, vec3 n, vec4 lp, float la);
 
 vec3 atmosAmbient(vec3 light);
 vec3 atmosAffectDirectionalLight(float lightIntensity);
@@ -18,10 +18,9 @@ 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 * 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 += 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 = scaleDownLight(col.rgb);
 
 	// Add windlight lights
diff --git a/indra/newview/app_settings/shaders/class3/deferred/giDownsampleF.glsl b/indra/newview/app_settings/shaders/class3/deferred/giDownsampleF.glsl
index 66606233cd..7325825d6d 100644
--- a/indra/newview/app_settings/shaders/class3/deferred/giDownsampleF.glsl
+++ b/indra/newview/app_settings/shaders/class3/deferred/giDownsampleF.glsl
@@ -44,8 +44,7 @@ float getDepth(vec2 pos_screen)
 
 void main() 
 {
-	vec3 norm = texture2DRect(normalMap, vary_fragcoord.xy).xyz;
-	norm = vec3((norm.xy-0.5)*2.0,norm.z); // unpack norm
+	vec3 norm = texture2DRect(normalMap, vary_fragcoord.xy).xyz*2.0-1.0;
 	float depth = getDepth(vary_fragcoord.xy);
 		
 	vec3 ccol = texture2DRect(giLightMap, vary_fragcoord.xy).rgb;
@@ -57,10 +56,9 @@ void main()
 	for (int i = 0; i < kern_length; i++)
 	{
 		vec2 tc = vary_fragcoord.xy + kern[i].y*dlt;
-		vec3 sampNorm = texture2DRect(normalMap, tc.xy).xyz;
-		sampNorm = vec3((sampNorm.xy-0.5)*2.0,sampNorm.z); // unpack norm
-		
-		float d = dot(norm.xyz, sampNorm);
+	    vec3 sampNorm = texture2DRect(normalMap, tc.xy).xyz*2.0-1.0;
+	    
+	   float d = dot(norm.xyz, sampNorm);
 		
 		if (d > 0.5)
 		{
diff --git a/indra/newview/app_settings/shaders/class3/deferred/giF.glsl b/indra/newview/app_settings/shaders/class3/deferred/giF.glsl
index 1b8354dbd1..939710cb56 100644
--- a/indra/newview/app_settings/shaders/class3/deferred/giF.glsl
+++ b/indra/newview/app_settings/shaders/class3/deferred/giF.glsl
@@ -178,8 +178,7 @@ void main()
 	
 	float rad = gi_range*0.5;
 	
-	vec3 norm = texture2DRect(normalMap, pos_screen).xyz;
-	norm = vec3((norm.xy-0.5)*2.0,norm.z); // unpack norm
+	vec3 norm = texture2DRect(normalMap, pos_screen).xyz*2.0-1.0;
 	float dist = max(length(pos.xyz)-rad, 0.0);
 	
 	float da = clamp(1.0-dist/rad, 0.0, 1.0);
diff --git a/indra/newview/app_settings/shaders/class3/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class3/deferred/softenLightF.glsl
index c88edd0a60..96a083b522 100644
--- a/indra/newview/app_settings/shaders/class3/deferred/softenLightF.glsl
+++ b/indra/newview/app_settings/shaders/class3/deferred/softenLightF.glsl
@@ -56,8 +56,9 @@ vec3 vary_AdditiveColor;
 vec3 vary_AtmosAttenuation;
 uniform float gi_ambiance;
 
-vec4 getPosition_d(vec2 pos_screen, float depth)
-{
+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;
 	vec2 sc = pos_screen.xy*2.0;
 	sc /= screen_res;
 	sc -= vec2(1.0,1.0);
@@ -68,12 +69,6 @@ vec4 getPosition_d(vec2 pos_screen, float depth)
 	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;
@@ -257,10 +252,8 @@ vec3 scaleSoftClip(vec3 light)
 void main() 
 {
 	vec2 tc = vary_fragcoord.xy;
-	float depth = texture2DRect(depthMap, tc.xy).a;
-	vec3 pos = getPosition_d(tc, depth).xyz;
-	vec3 norm = texture2DRect(normalMap, tc).xyz;
-	norm = vec3((norm.xy-0.5)*2.0,norm.z); // unpack norm
+	vec3 pos = getPosition(tc).xyz;
+	vec3 norm = texture2DRect(normalMap, tc).xyz*2.0-1.0;
 	//vec3 nz = texture2D(noiseMap, vary_fragcoord.xy/128.0).xyz;
 	
 	float da = max(dot(norm.xyz, vary_light.xyz), 0.0);
@@ -281,63 +274,11 @@ void main()
 	
 	col *= diffuse.rgb;
 	
-	if (spec.a > 0.0) // specular reflection
+	if (spec.a > 0.0)
 	{
-		// 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 = texture2DRect(normalMap, ref2d).rgb;
-		refn = vec3((refn.xy-0.5)*2.0,refn.z); // unpack norm
-		refn = normalize(refn);
-		// 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;
+		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;
 	}
 	
 	col = atmosLighting(col);
diff --git a/indra/newview/app_settings/shaders/class3/deferred/treeF.glsl b/indra/newview/app_settings/shaders/class3/deferred/treeF.glsl
index 5b33ea5bfe..258acee08c 100644
--- a/indra/newview/app_settings/shaders/class3/deferred/treeF.glsl
+++ b/indra/newview/app_settings/shaders/class3/deferred/treeF.glsl
@@ -14,6 +14,5 @@ void main()
 	vec4 col = texture2D(diffuseMap, gl_TexCoord[0].xy);
 	gl_FragData[0] = vec4(gl_Color.rgb*col.rgb, col.a <= 0.5 ? 0.0 : 0.005);
 	gl_FragData[1] = vec4(0,0,0,0);
-	vec3 nvn = normalize(vary_normal);
-	gl_FragData[2] = vec4(nvn.xy * 0.5 + 0.5, nvn.z, 0.0);
+	gl_FragData[2] = vec4(normalize(vary_normal)*0.5+0.5, 0.0);
 }
diff --git a/indra/newview/app_settings/shaders/class3/lighting/sumLightsV.glsl b/indra/newview/app_settings/shaders/class3/lighting/sumLightsV.glsl
index f129a1517b..1c5234c450 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 calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float is_pointlight);
+float calcPointLight(vec3 v, vec3 n, vec4 lp, float la);
 
 vec3 atmosAmbient(vec3 light);
 vec3 atmosAffectDirectionalLight(float lightIntensity);
@@ -15,21 +15,24 @@ vec3 scaleUpLight(vec3 light);
 
 vec4 sumLights(vec3 pos, vec3 norm, vec4 color, vec4 baseLight)
 {
-	vec4 col = vec4(0.0, 0.0, 0.0, color.a);
+	vec4 col;
+	col.a = 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*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[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[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);
 	
-- 
cgit v1.2.3