merge

47 files changed, 459 insertions, 104 deletions

diff --git a/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl b/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl
index 171a0e76f7..28a38d4390 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl
@@ -4,11 +4,12 @@
  * $LicenseInfo:firstyear=2007&license=viewerlgpl$
  * $/LicenseInfo$
  */
+ 
+#version 120
 
 #extension GL_ARB_texture_rectangle : enable
 
 uniform sampler2D diffuseMap;
-uniform sampler2D noiseMap;
 uniform sampler2DRect depthMap;
 
 uniform mat4 shadow_matrix[6];
@@ -22,7 +23,6 @@ varying vec3 vary_ambient;
 varying vec3 vary_directional;
 varying vec3 vary_fragcoord;
 varying vec3 vary_position;
-varying vec3 vary_light;
 
 uniform mat4 inv_proj;
 
@@ -44,8 +44,6 @@ void main()
 	vec2 frag = vary_fragcoord.xy/vary_fragcoord.z*0.5+0.5;
 	frag *= screen_res;
 	
-	vec3 samp_pos = getPosition(frag).xyz;
-	
 	vec4 pos = vec4(vary_position, 1.0);
 	
 	vec4 col = vec4(vary_ambient + vary_directional.rgb, gl_Color.a);
@@ -55,7 +53,6 @@ void main()
 
 	color.rgb = scaleSoftClip(color.rgb);
 
-	//gl_FragColor = gl_Color;
 	gl_FragColor = color;
 	//gl_FragColor = vec4(1,0,1,1);
 	//gl_FragColor = vec4(1,0,1,1)*shadow;
diff --git a/indra/newview/app_settings/shaders/class1/deferred/alphaSkinnedV.glsl b/indra/newview/app_settings/shaders/class1/deferred/alphaSkinnedV.glsl
new file mode 100644
index 0000000000..4261f943fb
--- /dev/null
+++ b/indra/newview/app_settings/shaders/class1/deferred/alphaSkinnedV.glsl
@@ -0,0 +1,83 @@
+/** 
+ * @file alphaSkinnedV.glsl
+ *
+ * Copyright (c) 2007-$CurrentYear$, Linden Research, Inc.
+ * $License$
+ */
+ 
+#version 120
+
+vec4 calcLighting(vec3 pos, vec3 norm, vec4 color, vec4 baseCol);
+mat4 getObjectSkinnedTransform();
+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);
+
+vec3 atmosAmbient(vec3 light);
+vec3 atmosAffectDirectionalLight(float lightIntensity);
+vec3 scaleDownLight(vec3 light);
+vec3 scaleUpLight(vec3 light);
+
+varying vec3 vary_position;
+varying vec3 vary_ambient;
+varying vec3 vary_directional;
+varying vec3 vary_normal;
+varying vec3 vary_light;
+varying vec3 vary_fragcoord;
+
+uniform float near_clip;
+
+void main()
+{
+	gl_TexCoord[0] = gl_MultiTexCoord0;
+				
+	vec4 pos;
+	vec3 norm;
+	
+	mat4 trans = getObjectSkinnedTransform();
+	trans = gl_ModelViewMatrix * trans;
+	
+	pos = trans * gl_Vertex;
+	
+	norm = gl_Vertex.xyz + gl_Normal.xyz;
+	norm = normalize(( trans*vec4(norm, 1.0) ).xyz-pos.xyz);
+	
+	vec4 frag_pos = gl_ProjectionMatrix * pos;
+	gl_Position = frag_pos;
+	
+	vary_position = pos.xyz;
+	vary_normal = norm;	
+	
+	calcAtmospherics(pos.xyz);
+
+	vec4 col = vec4(0.0, 0.0, 0.0, gl_Color.a);
+
+	// Collect normal lights (need to be divided by two, as we later multiply by 2)
+	col.rgb += gl_LightSource[2].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[2].position, gl_LightSource[2].spotDirection.xyz, gl_LightSource[2].linearAttenuation, gl_LightSource[2].specular.a);
+	col.rgb += gl_LightSource[3].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[3].position, gl_LightSource[3].spotDirection.xyz, gl_LightSource[3].linearAttenuation, gl_LightSource[3].specular.a);
+	col.rgb += gl_LightSource[4].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[4].position, gl_LightSource[4].spotDirection.xyz, gl_LightSource[4].linearAttenuation, gl_LightSource[4].specular.a);
+	col.rgb += gl_LightSource[5].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[5].position, gl_LightSource[5].spotDirection.xyz, gl_LightSource[5].linearAttenuation, gl_LightSource[5].specular.a);
+	col.rgb += gl_LightSource[6].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[6].position, gl_LightSource[6].spotDirection.xyz, gl_LightSource[6].linearAttenuation, gl_LightSource[6].specular.a);
+	col.rgb += gl_LightSource[7].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[7].position, gl_LightSource[7].spotDirection.xyz, gl_LightSource[7].linearAttenuation, gl_LightSource[7].specular.a);
+	col.rgb += gl_LightSource[1].diffuse.rgb*calcDirectionalLight(norm, gl_LightSource[1].position.xyz);
+	col.rgb = scaleDownLight(col.rgb);
+	
+	// Add windlight lights
+	col.rgb += atmosAmbient(vec3(0.));
+	
+	vary_light = gl_LightSource[0].position.xyz;
+	
+	vary_ambient = col.rgb*gl_Color.rgb;
+	vary_directional = gl_Color.rgb*atmosAffectDirectionalLight(max(calcDirectionalLight(norm, gl_LightSource[0].position.xyz), (1.0-gl_Color.a)*(1.0-gl_Color.a)));
+	
+	col.rgb = min(col.rgb*gl_Color.rgb, 1.0);
+	
+	gl_FrontColor = col;
+
+	gl_FogFragCoord = pos.z;
+	
+	vary_fragcoord.xyz = frag_pos.xyz + vec3(0,0,near_clip);
+}
+
+
diff --git a/indra/newview/app_settings/shaders/class1/deferred/alphaV.glsl b/indra/newview/app_settings/shaders/class1/deferred/alphaV.glsl
index fabbce0824..7ac410da95 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/alphaV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/alphaV.glsl
@@ -5,6 +5,8 @@
  * $/LicenseInfo$
  */
 
+#version 120
+
 vec4 calcLighting(vec3 pos, vec3 norm, vec4 color, vec4 baseCol);
 void calcAtmospherics(vec3 inPositionEye);
 
@@ -36,7 +38,7 @@ void main()
 	vec4 pos = (gl_ModelViewMatrix * gl_Vertex);
 	vec3 norm = normalize(gl_NormalMatrix * gl_Normal);
 	
-	vary_position = pos.xyz + norm.xyz * (-pos.z/64.0*shadow_offset+shadow_bias);
+	vary_position = pos.xyz;
 		
 	calcAtmospherics(pos.xyz);
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/attachmentShadowF.glsl b/indra/newview/app_settings/shaders/class1/deferred/attachmentShadowF.glsl
new file mode 100644
index 0000000000..164322c3a7
--- /dev/null
+++ b/indra/newview/app_settings/shaders/class1/deferred/attachmentShadowF.glsl
@@ -0,0 +1,18 @@
+/** 
+ * @file avatarShadowF.glsl
+ *
+ * Copyright (c) 2007-$CurrentYear$, Linden Research, Inc.
+ * $License$
+ */
+
+#version 120
+
+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);
+}
+
diff --git a/indra/newview/app_settings/shaders/class1/deferred/attachmentShadowV.glsl b/indra/newview/app_settings/shaders/class1/deferred/attachmentShadowV.glsl
new file mode 100644
index 0000000000..5ae41cb730
--- /dev/null
+++ b/indra/newview/app_settings/shaders/class1/deferred/attachmentShadowV.glsl
@@ -0,0 +1,27 @@
+/** 
+ * @file attachmentShadowV.glsl
+ *
+ * Copyright (c) 2007-$CurrentYear$, Linden Research, Inc.
+ * $License$
+ */
+
+#version 120
+
+mat4 getObjectSkinnedTransform();
+
+void main()
+{
+	//transform vertex
+	gl_TexCoord[0] = gl_TextureMatrix[0] * gl_MultiTexCoord0;
+	
+	mat4 mat = getObjectSkinnedTransform();
+	
+	mat = gl_ModelViewMatrix * mat;
+	vec3 pos = (mat*gl_Vertex).xyz;
+	
+	gl_FrontColor = gl_Color;
+	
+	vec4 p = gl_ProjectionMatrix * vec4(pos, 1.0);
+	p.z = max(p.z, -p.w+0.01);
+	gl_Position = p;
+}
diff --git a/indra/newview/app_settings/shaders/class1/deferred/avatarAlphaF.glsl b/indra/newview/app_settings/shaders/class1/deferred/avatarAlphaF.glsl
index 82ce6d7377..7d9d6cc0b2 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/avatarAlphaF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/avatarAlphaF.glsl
@@ -5,6 +5,8 @@
  * $/LicenseInfo$
  */
 
+#version 120
+
 uniform sampler2D diffuseMap;
 uniform sampler2DShadow shadowMap0;
 uniform sampler2DShadow shadowMap1;
diff --git a/indra/newview/app_settings/shaders/class1/deferred/avatarAlphaV.glsl b/indra/newview/app_settings/shaders/class1/deferred/avatarAlphaV.glsl
index 21ddc2fad8..5dfbb91393 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/avatarAlphaV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/avatarAlphaV.glsl
@@ -4,6 +4,8 @@
  * $LicenseInfo:firstyear=2007&license=viewerlgpl$
  * $/LicenseInfo$
  */
+ 
+#version 120
 
 vec4 calcLighting(vec3 pos, vec3 norm, vec4 color, vec4 baseCol);
 mat4 getSkinnedTransform();
@@ -17,10 +19,13 @@ vec3 atmosAffectDirectionalLight(float lightIntensity);
 vec3 scaleDownLight(vec3 light);
 vec3 scaleUpLight(vec3 light);
 
-varying vec4 vary_position;
+varying vec3 vary_position;
 varying vec3 vary_ambient;
 varying vec3 vary_directional;
 varying vec3 vary_normal;
+varying vec3 vary_fragcoord;
+
+uniform float near_clip;
 
 void main()
 {
@@ -40,8 +45,10 @@ void main()
 	norm.z = dot(trans[2].xyz, gl_Normal);
 	norm = normalize(norm);
 		
-	gl_Position = gl_ProjectionMatrix * pos;
-	vary_position = pos;
+	vec4 frag_pos = gl_ProjectionMatrix * pos;
+	gl_Position = frag_pos;
+	
+	vary_position = pos.xyz;
 	vary_normal = norm;	
 	
 	calcAtmospherics(pos.xyz);
@@ -71,7 +78,8 @@ void main()
 	gl_FrontColor = col;
 
 	gl_FogFragCoord = pos.z;
-
+	
+	vary_fragcoord.xyz = frag_pos.xyz + vec3(0,0,near_clip);
 }
 
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/avatarF.glsl b/indra/newview/app_settings/shaders/class1/deferred/avatarF.glsl
index e376892e0a..9748727147 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/avatarF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/avatarF.glsl
@@ -4,6 +4,8 @@
  * $LicenseInfo:firstyear=2007&license=viewerlgpl$
  * $/LicenseInfo$
  */
+ 
+#version 120
 
 uniform sampler2D diffuseMap;
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/avatarShadowF.glsl b/indra/newview/app_settings/shaders/class1/deferred/avatarShadowF.glsl
index d88e3ecfd8..1b7ae06888 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/avatarShadowF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/avatarShadowF.glsl
@@ -4,6 +4,8 @@
  * $LicenseInfo:firstyear=2007&license=viewerlgpl$
  * $/LicenseInfo$
  */
+ 
+#version 120
 
 uniform sampler2D diffuseMap;
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/avatarShadowV.glsl b/indra/newview/app_settings/shaders/class1/deferred/avatarShadowV.glsl
index 2af8c8f5f7..cf6579a40d 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/avatarShadowV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/avatarShadowV.glsl
@@ -4,6 +4,8 @@
  * $LicenseInfo:firstyear=2007&license=viewerlgpl$
  * $/LicenseInfo$
  */
+ 
+#version 120
 
 mat4 getSkinnedTransform();
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/avatarV.glsl b/indra/newview/app_settings/shaders/class1/deferred/avatarV.glsl
index 988226fb7c..69c93799b5 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/avatarV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/avatarV.glsl
@@ -4,6 +4,8 @@
  * $LicenseInfo:firstyear=2007&license=viewerlgpl$
  * $/LicenseInfo$
  */
+ 
+#version 120
 
 mat4 getSkinnedTransform();
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/blurLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/blurLightF.glsl
index 258a9b7c40..d9f021b114 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/blurLightF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/blurLightF.glsl
@@ -4,6 +4,8 @@
  * $LicenseInfo:firstyear=2007&license=viewerlgpl$
  * $/LicenseInfo$
  */
+ 
+#version 120
 
 #extension GL_ARB_texture_rectangle : enable
 
@@ -37,44 +39,49 @@ vec4 getPosition(vec2 pos_screen)
 
 void main() 
 {
-	vec3 norm = texture2DRect(normalMap, vary_fragcoord.xy).xyz;
+        vec2 tc = vary_fragcoord.xy;
+	vec3 norm = texture2DRect(normalMap, tc).xyz;
 	norm = vec3((norm.xy-0.5)*2.0,norm.z); // unpack norm
-	vec3 pos = getPosition(vary_fragcoord.xy).xyz;
-	vec4 ccol = texture2DRect(lightMap, vary_fragcoord.xy).rgba;
+	vec3 pos = getPosition(tc).xyz;
+	vec4 ccol = texture2DRect(lightMap, tc).rgba;
 	
 	vec2 dlt = kern_scale * delta / (1.0+norm.xy*norm.xy);
-	
 	dlt /= max(-pos.z*dist_factor, 1.0);
 	
 	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;
-	
+
+	// relax tolerance according to distance to avoid speckling artifacts, as angles and distances are a lot more abrupt within a small screen area at larger distances
+	float pointplanedist_tolerance_pow2 = pos.z*pos.z*0.00005;
+
+	// perturb sampling origin slightly in screen-space to hide edge-ghosting artifacts where smoothing radius is quite large
+	tc += ( (mod(tc.x+tc.y,2) - 0.5) * kern[1].z * dlt * 0.5 );
+
 	for (int i = 1; i < 4; i++)
 	{
-		vec2 tc = vary_fragcoord.xy + kern[i].z*dlt;
-	        vec3 samppos = getPosition(tc).xyz; 
+		vec2 samptc = tc + kern[i].z*dlt;
+	        vec3 samppos = getPosition(samptc).xyz; 
 		float d = dot(norm.xyz, samppos.xyz-pos.xyz);// dist from plane
-		if (d*d <= 0.003)
+		if (d*d <= pointplanedist_tolerance_pow2)
 		{
-			col += texture2DRect(lightMap, tc)*kern[i].xyxx;
+			col += texture2DRect(lightMap, samptc)*kern[i].xyxx;
 			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; 
+		vec2 samptc = tc - kern[i].z*dlt;
+	        vec3 samppos = getPosition(samptc).xyz; 
 		float d = dot(norm.xyz, samppos.xyz-pos.xyz);// dist from plane
-		if (d*d <= 0.003)
+		if (d*d <= pointplanedist_tolerance_pow2)
 		{
-			col += texture2DRect(lightMap, tc)*kern[i].xyxx;
+			col += texture2DRect(lightMap, samptc)*kern[i].xyxx;
 			defined_weight += kern[i].xy;
 		}
 	}
 
-
-
 	col /= defined_weight.xyxx;
+	col.y *= col.y;
 	
 	gl_FragColor = col;
 }
diff --git a/indra/newview/app_settings/shaders/class1/deferred/blurLightV.glsl b/indra/newview/app_settings/shaders/class1/deferred/blurLightV.glsl
index b1b3f55f00..c2d05c601a 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/blurLightV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/blurLightV.glsl
@@ -4,6 +4,8 @@
  * $LicenseInfo:firstyear=2007&license=viewerlgpl$
  * $/LicenseInfo$
  */
+ 
+#version 120
 
 varying vec2 vary_fragcoord;
 uniform vec2 screen_res;
diff --git a/indra/newview/app_settings/shaders/class1/deferred/bumpF.glsl b/indra/newview/app_settings/shaders/class1/deferred/bumpF.glsl
index 35f334d58e..37bfaac32c 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/bumpF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/bumpF.glsl
@@ -4,6 +4,8 @@
  * $LicenseInfo:firstyear=2007&license=viewerlgpl$
  * $/LicenseInfo$
  */
+ 
+#version 120
 
 uniform sampler2D diffuseMap;
 uniform sampler2D bumpMap;
diff --git a/indra/newview/app_settings/shaders/class1/deferred/bumpSkinnedV.glsl b/indra/newview/app_settings/shaders/class1/deferred/bumpSkinnedV.glsl
new file mode 100644
index 0000000000..d884f2e4a5
--- /dev/null
+++ b/indra/newview/app_settings/shaders/class1/deferred/bumpSkinnedV.glsl
@@ -0,0 +1,37 @@
+/** 
+ * @file bumpV.glsl
+ *
+ * Copyright (c) 2007-$CurrentYear$, Linden Research, Inc.
+ * $License$
+ */
+
+#version 120
+
+varying vec3 vary_mat0;
+varying vec3 vary_mat1;
+varying vec3 vary_mat2;
+
+mat4 getObjectSkinnedTransform();
+
+void main()
+{
+	gl_TexCoord[0] = gl_TextureMatrix[0] * gl_MultiTexCoord0;
+	
+	mat4 mat = getObjectSkinnedTransform();
+	
+	mat = gl_ModelViewMatrix * mat;
+	
+	vec3 pos = (mat*gl_Vertex).xyz;
+	
+	
+	vec3 n = normalize((mat * vec4(gl_Normal.xyz+gl_Vertex.xyz, 1.0)).xyz-pos.xyz);
+	vec3 b = normalize((mat * vec4(gl_MultiTexCoord2.xyz+gl_Vertex.xyz, 1.0)).xyz-pos.xyz);
+	vec3 t = cross(b, n);
+	
+	vary_mat0 = vec3(t.x, b.x, n.x);
+	vary_mat1 = vec3(t.y, b.y, n.y);
+	vary_mat2 = vec3(t.z, b.z, n.z);
+	
+	gl_Position = gl_ProjectionMatrix*vec4(pos, 1.0);
+	gl_FrontColor = gl_Color;
+}
diff --git a/indra/newview/app_settings/shaders/class1/deferred/bumpV.glsl b/indra/newview/app_settings/shaders/class1/deferred/bumpV.glsl
index 6c8550cb5b..9b109b2db6 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/bumpV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/bumpV.glsl
@@ -4,6 +4,8 @@
  * $LicenseInfo:firstyear=2007&license=viewerlgpl$
  * $/LicenseInfo$
  */
+ 
+#version 120
 
 varying vec3 vary_mat0;
 varying vec3 vary_mat1;
diff --git a/indra/newview/app_settings/shaders/class1/deferred/diffuseF.glsl b/indra/newview/app_settings/shaders/class1/deferred/diffuseF.glsl
index 9bd622a506..35cfb80c93 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/diffuseF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/diffuseF.glsl
@@ -4,6 +4,8 @@
  * $LicenseInfo:firstyear=2007&license=viewerlgpl$
  * $/LicenseInfo$
  */
+ 
+#version 120
 
 uniform sampler2D diffuseMap;
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/diffuseSkinnedV.glsl b/indra/newview/app_settings/shaders/class1/deferred/diffuseSkinnedV.glsl
new file mode 100644
index 0000000000..9a45c03237
--- /dev/null
+++ b/indra/newview/app_settings/shaders/class1/deferred/diffuseSkinnedV.glsl
@@ -0,0 +1,33 @@
+/** 
+ * @file diffuseSkinnedV.glsl
+ *
+ * Copyright (c) 2007-$CurrentYear$, Linden Research, Inc.
+ * $License$
+ */
+
+#version 120
+
+varying vec3 vary_normal;
+
+mat4 getObjectSkinnedTransform();
+
+void main()
+{
+	gl_TexCoord[0] = gl_TextureMatrix[0] * gl_MultiTexCoord0;
+	
+	mat4 mat = getObjectSkinnedTransform();
+	
+	mat = gl_ModelViewMatrix * mat;
+	vec3 pos = (mat*gl_Vertex).xyz;
+	
+	vec4 norm = gl_Vertex;
+	norm.xyz += gl_Normal.xyz;
+	norm.xyz = (mat*norm).xyz;
+	norm.xyz = normalize(norm.xyz-pos.xyz);
+
+	vary_normal = norm.xyz;
+			
+	gl_FrontColor = gl_Color;
+	
+	gl_Position = gl_ProjectionMatrix*vec4(pos, 1.0);
+}
diff --git a/indra/newview/app_settings/shaders/class1/deferred/diffuseV.glsl b/indra/newview/app_settings/shaders/class1/deferred/diffuseV.glsl
index bd58096317..03d3322cb6 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/diffuseV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/diffuseV.glsl
@@ -4,6 +4,8 @@
  * $LicenseInfo:firstyear=2007&license=viewerlgpl$
  * $/LicenseInfo$
  */
+ 
+#version 120
 
 varying vec3 vary_normal;
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/fullbrightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/fullbrightF.glsl
index f53e15c6cc..3429877397 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/fullbrightF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/fullbrightF.glsl
@@ -4,6 +4,8 @@
  * $LicenseInfo:firstyear=2007&license=viewerlgpl$
  * $/LicenseInfo$
  */
+ 
+#version 120
 
 #extension GL_ARB_texture_rectangle : enable
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/fullbrightV.glsl b/indra/newview/app_settings/shaders/class1/deferred/fullbrightV.glsl
index dc8b2c6be4..6c38d220e2 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/fullbrightV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/fullbrightV.glsl
@@ -4,6 +4,8 @@
  * $LicenseInfo:firstyear=2007&license=viewerlgpl$
  * $/LicenseInfo$
  */
+ 
+#version 120
 
 void calcAtmospherics(vec3 inPositionEye);
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/giF.glsl b/indra/newview/app_settings/shaders/class1/deferred/giF.glsl
index e64e29a0d2..75b555e8ae 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/giF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/giF.glsl
@@ -4,6 +4,8 @@
  * $LicenseInfo:firstyear=2007&license=viewerlgpl$
  * $/LicenseInfo$
  */
+ 
+#version 120
 
 #extension GL_ARB_texture_rectangle : enable
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/giV.glsl b/indra/newview/app_settings/shaders/class1/deferred/giV.glsl
index 543527612e..8dc1410ea5 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/giV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/giV.glsl
@@ -4,6 +4,8 @@
  * $LicenseInfo:firstyear=2007&license=viewerlgpl$
  * $/LicenseInfo$
  */
+ 
+#version 120
 
 varying vec2 vary_fragcoord;
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/impostorF.glsl b/indra/newview/app_settings/shaders/class1/deferred/impostorF.glsl
index 7f365fedc8..e3c15a2ab2 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/impostorF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/impostorF.glsl
@@ -4,6 +4,8 @@
  * $LicenseInfo:firstyear=2007&license=viewerlgpl$
  * $/LicenseInfo$
  */
+ 
+#version 120
 
 uniform sampler2D diffuseMap;
 uniform sampler2D normalMap;
@@ -12,7 +14,7 @@ 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] = vec4(col.rgb, col.a * 0.005);
 	gl_FragData[1] = texture2D(specularMap, gl_TexCoord[0].xy);
 	gl_FragData[2] = vec4(texture2D(normalMap, gl_TexCoord[0].xy).xyz, 0.0);
 }
diff --git a/indra/newview/app_settings/shaders/class1/deferred/impostorV.glsl b/indra/newview/app_settings/shaders/class1/deferred/impostorV.glsl
index 4fc27d4412..37148b3f1a 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/impostorV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/impostorV.glsl
@@ -4,6 +4,8 @@
  * $LicenseInfo:firstyear=2007&license=viewerlgpl$
  * $/LicenseInfo$
  */
+ 
+#version 120
 
 void main()
 {
diff --git a/indra/newview/app_settings/shaders/class1/deferred/luminanceF.glsl b/indra/newview/app_settings/shaders/class1/deferred/luminanceF.glsl
index acb3014d18..78df54d5dc 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/luminanceF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/luminanceF.glsl
@@ -5,6 +5,8 @@
  * $/LicenseInfo$
  */
 
+#version 120
+
 uniform sampler2DRect diffuseMap;
 
 varying vec2 vary_fragcoord;
diff --git a/indra/newview/app_settings/shaders/class1/deferred/luminanceV.glsl b/indra/newview/app_settings/shaders/class1/deferred/luminanceV.glsl
index 6368def830..0c820bfc6c 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/luminanceV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/luminanceV.glsl
@@ -5,6 +5,9 @@
  * $/LicenseInfo$
  */
 
+#version 120
+
+
 varying vec2 vary_fragcoord;
 
 uniform vec2 screen_res;
diff --git a/indra/newview/app_settings/shaders/class1/deferred/multiPointLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/multiPointLightF.glsl
index 6fca08ae6a..c5ddf31ac0 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/multiPointLightF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/multiPointLightF.glsl
@@ -5,6 +5,8 @@
  * $/LicenseInfo$
  */
 
+#version 120
+
 #extension GL_ARB_texture_rectangle : enable
 
 uniform sampler2DRect depthMap;
diff --git a/indra/newview/app_settings/shaders/class1/deferred/pointLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/pointLightF.glsl
index 43da16436b..22ed9dcd40 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/pointLightF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/pointLightF.glsl
@@ -4,6 +4,8 @@
  * $LicenseInfo:firstyear=2007&license=viewerlgpl$
  * $/LicenseInfo$
  */
+ 
+ #version 120
 
 #extension GL_ARB_texture_rectangle : enable
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/pointLightV.glsl b/indra/newview/app_settings/shaders/class1/deferred/pointLightV.glsl
index e056c3e896..8e74feb615 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/pointLightV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/pointLightV.glsl
@@ -5,6 +5,8 @@
  * $/LicenseInfo$
  */
 
+#version 120
+
 varying vec4 vary_light;
 varying vec4 vary_fragcoord;
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/postDeferredF.glsl b/indra/newview/app_settings/shaders/class1/deferred/postDeferredF.glsl
index 650e1a91a8..f377685045 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/postDeferredF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/postDeferredF.glsl
@@ -4,54 +4,134 @@
  * $LicenseInfo:firstyear=2007&license=viewerlgpl$
  * $/LicenseInfo$
  */
+ 
+#version 120
 
 #extension GL_ARB_texture_rectangle : enable
 
 uniform sampler2DRect diffuseRect;
-uniform sampler2DRect localLightMap;
-uniform sampler2DRect sunLightMap;
-uniform sampler2DRect giLightMap;
-uniform sampler2D	  luminanceMap;
-uniform sampler2DRect lightMap;
+uniform sampler2DRect edgeMap;
+uniform sampler2DRect depthMap;
+uniform sampler2DRect normalMap;
+uniform sampler2D bloomMap;
 
-uniform vec3 lum_quad;
-uniform float lum_lod;
-uniform vec4 ambient;
-
-uniform vec3 gi_quad;
+uniform float depth_cutoff;
+uniform float norm_cutoff;
+uniform float focal_distance;
+uniform float blur_constant;
+uniform float tan_pixel_angle;
+uniform float magnification;
 
+uniform mat4 inv_proj;
 uniform vec2 screen_res;
+
 varying vec2 vary_fragcoord;
 
-void main() 
+float getDepth(vec2 pos_screen)
 {
-	vec2 tc = vary_fragcoord.xy;
-	vec3 lum = texture2DLod(luminanceMap, tc/screen_res, lum_lod).rgb;
-	float luminance = lum.r;
-	luminance = luminance*lum_quad.y+lum_quad.z;
+	float z = texture2DRect(depthMap, pos_screen.xy).a;
+	z = z*2.0-1.0;
+	vec4 ndc = vec4(0.0, 0.0, z, 1.0);
+	vec4 p = inv_proj*ndc;
+	return p.z/p.w;
+}
 
-	vec4 diff = texture2DRect(diffuseRect, vary_fragcoord.xy);
+float calc_cof(float depth)
+{
+	float sc = abs(depth-focal_distance)/-depth*blur_constant;
+		
+	sc /= magnification;
+	
+	// tan_pixel_angle = pixel_length/-depth;
+	float pixel_length =  tan_pixel_angle*-focal_distance;
+	
+	sc = sc/pixel_length;
+	sc *= 1.414;
+	
+	return sc;
+}
 
-	float ambocc = texture2DRect(lightMap, vary_fragcoord.xy).g;
-			
-	vec3 gi_col = texture2DRect(giLightMap, vary_fragcoord.xy).rgb;
-	gi_col = gi_col*gi_col*gi_quad.x + gi_col*gi_quad.y+gi_quad.z*ambocc*ambient.rgb;
-	gi_col *= diff;
+void dofSampleNear(inout vec4 diff, inout float w, float cur_sc, vec2 tc)
+{
+	float d = getDepth(tc);
 	
-	vec4 sun_col =	texture2DRect(sunLightMap, vary_fragcoord.xy);
+	float sc = calc_cof(d);
 	
-	vec3 local_col = texture2DRect(localLightMap, vary_fragcoord.xy).rgb;
+	float wg = 1.0;
 		
+	vec4 s = texture2DRect(diffuseRect, tc);
+	// de-weight dull areas to make highlights 'pop'
+	wg *= s.r+s.g+s.b;
+	
+	diff += wg*s;
+	
+	w += wg;
+}
+
+void dofSample(inout vec4 diff, inout float w, float min_sc, float cur_depth, vec2 tc)
+{
+	float d = getDepth(tc);
+	
+	float sc = calc_cof(d);
+	
+	if (sc > min_sc //sampled pixel is more "out of focus" than current sample radius
+	   || d < cur_depth) //sampled pixel is further away than current pixel
+	{
+		float wg = 1.0;
 		
-	sun_col *= 1.0/min(luminance, 1.0);
-	gi_col *= 1.0/luminance;
+		vec4 s = texture2DRect(diffuseRect, tc);
+		// de-weight dull areas to make highlights 'pop'
+		wg *= s.r+s.g+s.b;
+	
+		diff += wg*s;
+		
+		w += wg;
+	}
+}
+
+
+void main() 
+{
+	vec3 norm = texture2DRect(normalMap, vary_fragcoord.xy).xyz;
+	norm = vec3((norm.xy-0.5)*2.0,norm.z); // unpack norm
 		
-	vec3 col = sun_col.rgb+gi_col+local_col;
+	vec2 tc = vary_fragcoord.xy;
 	
-	gl_FragColor.rgb = col.rgb;
-	col.rgb = max(col.rgb-vec3(1.0,1.0,1.0), vec3(0.0, 0.0, 0.0)); 
+	float depth = getDepth(tc);
 	
-	gl_FragColor.a = 0.0; // max(dot(col.rgb,col.rgb)*lum_quad.x, sun_col.a);
+	vec4 diff = texture2DRect(diffuseRect, vary_fragcoord.xy);
 	
-	//gl_FragColor.rgb = vec3(lum_lod);
+	{ 
+		float w = 1.0;
+		
+		float sc = calc_cof(depth);
+		sc = min(abs(sc), 10.0);
+		
+		float fd = depth*0.5f;
+		
+		float PI = 3.14159265358979323846264;
+
+		// sample quite uniformly spaced points within a circle, for a circular 'bokeh'		
+		//if (depth < focal_distance)
+		{
+			while (sc > 0.5)
+			{
+				int its = int(max(1.0,(sc*3.7)));
+				for (int i=0; i<its; ++i)
+				{
+					float ang = sc+i*2*PI/its; // sc is added for rotary perturbance
+					float samp_x = sc*sin(ang);
+					float samp_y = sc*cos(ang);
+					// you could test sample coords against an interesting non-circular aperture shape here, if desired.
+					dofSample(diff, w, sc, depth, vary_fragcoord.xy + vec2(samp_x,samp_y));
+				}
+				sc -= 1.0;
+			}
+		}
+		
+		diff /= w;
+	}
+		
+	vec4 bloom = texture2D(bloomMap, vary_fragcoord.xy/screen_res);
+	gl_FragColor = diff + bloom;
 }
diff --git a/indra/newview/app_settings/shaders/class1/deferred/postDeferredV.glsl b/indra/newview/app_settings/shaders/class1/deferred/postDeferredV.glsl
index 0ec81dcb02..12983baa94 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/postDeferredV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/postDeferredV.glsl
@@ -4,6 +4,8 @@
  * $LicenseInfo:firstyear=2007&license=viewerlgpl$
  * $/LicenseInfo$
  */
+ 
+#version 120
 
 varying vec2 vary_fragcoord;
 uniform vec2 screen_res;
diff --git a/indra/newview/app_settings/shaders/class1/deferred/postgiF.glsl b/indra/newview/app_settings/shaders/class1/deferred/postgiF.glsl
index e8e58f50e1..63b3c9f205 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/postgiF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/postgiF.glsl
@@ -4,6 +4,8 @@
  * $LicenseInfo:firstyear=2007&license=viewerlgpl$
  * $/LicenseInfo$
  */
+ 
+#version 120
 
 uniform sampler2DRect depthMap;
 uniform sampler2DRect normalMap;
diff --git a/indra/newview/app_settings/shaders/class1/deferred/postgiV.glsl b/indra/newview/app_settings/shaders/class1/deferred/postgiV.glsl
index e5f6217644..ae57227fe5 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/postgiV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/postgiV.glsl
@@ -4,6 +4,8 @@
  * $LicenseInfo:firstyear=2007&license=viewerlgpl$
  * $/LicenseInfo$
  */
+ 
+#version 120
 
 varying vec2 vary_fragcoord;
 uniform vec2 screen_res;
diff --git a/indra/newview/app_settings/shaders/class1/deferred/shadowF.glsl b/indra/newview/app_settings/shaders/class1/deferred/shadowF.glsl
index 378a3295ec..6674c4a5aa 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/shadowF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/shadowF.glsl
@@ -4,6 +4,8 @@
  * $LicenseInfo:firstyear=2007&license=viewerlgpl$
  * $/LicenseInfo$
  */
+ 
+#version 120
 
 uniform sampler2D diffuseMap;
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/shadowV.glsl b/indra/newview/app_settings/shaders/class1/deferred/shadowV.glsl
index 666f909f01..db3bddc6be 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/shadowV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/shadowV.glsl
@@ -4,6 +4,8 @@
  * $LicenseInfo:firstyear=2007&license=viewerlgpl$
  * $/LicenseInfo$
  */
+ 
+#version 120
 
 varying vec4 post_pos;
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl
index 5fbeceba81..29340c7e9f 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl
@@ -4,6 +4,8 @@
  * $LicenseInfo:firstyear=2007&license=viewerlgpl$
  * $/LicenseInfo$
  */
+ 
+#version 120
 
 #extension GL_ARB_texture_rectangle : enable
 
@@ -268,14 +270,10 @@ 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, 1.0);
 	
 	vec3 col = atmosAmbient(vec3(0));
-	col += atmosAffectDirectionalLight(max(min(da, scol), diffuse.a));
+	col += atmosAffectDirectionalLight(max(min(da, 1.0), diffuse.a));
 	
 	col *= diffuse.rgb;
 	
@@ -285,7 +283,7 @@ void main()
 		//
 		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;
+		vec3 dumbshiny = vary_SunlitColor*texture2D(lightFunc, vec2(sa, spec.a)).a;
 
 		/*
 		// screen-space cheap fakey reflection map
diff --git a/indra/newview/app_settings/shaders/class1/deferred/softenLightV.glsl b/indra/newview/app_settings/shaders/class1/deferred/softenLightV.glsl
index 9d187b46e2..8f0bcca76b 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/softenLightV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/softenLightV.glsl
@@ -4,6 +4,8 @@
  * $LicenseInfo:firstyear=2007&license=viewerlgpl$
  * $/LicenseInfo$
  */
+ 
+#version 120
 
 uniform vec2 screen_res;
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/sunLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/sunLightF.glsl
index d4d686bbb7..00093836a2 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/sunLightF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/sunLightF.glsl
@@ -4,6 +4,8 @@
  * $LicenseInfo:firstyear=2007&license=viewerlgpl$
  * $/LicenseInfo$
  */
+ 
+#version 120
 
 //class 1, no shadow, no SSAO, should never be called
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/sunLightSSAOF.glsl b/indra/newview/app_settings/shaders/class1/deferred/sunLightSSAOF.glsl
index cdbed4b791..25ff958107 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/sunLightSSAOF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/sunLightSSAOF.glsl
@@ -4,6 +4,8 @@
  * Copyright (c) 2007-$CurrentYear$, Linden Research, Inc.
  * $License$
  */
+ 
+#version 120
 
 #extension GL_ARB_texture_rectangle : enable
 
@@ -51,57 +53,49 @@ 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 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;
+	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 angle_hidden = 0.0;
+	int points = 0;
 		
-		float scale = min(ssao_radius / -pos_world.z, ssao_max_radius);
+	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; 
+	// 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);
+		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)
+		// 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);
+		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);
-		}
+		// '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);
+	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);
-	}
+	ret = (1.0 - (float(points != 0) * angle_hidden));
 	
 	return min(ret, 1.0);
 }
diff --git a/indra/newview/app_settings/shaders/class1/deferred/sunLightV.glsl b/indra/newview/app_settings/shaders/class1/deferred/sunLightV.glsl
index 9d092d9cea..9beb513ad8 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/sunLightV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/sunLightV.glsl
@@ -4,6 +4,8 @@
  * $LicenseInfo:firstyear=2007&license=viewerlgpl$
  * $/LicenseInfo$
  */
+ 
+#version 120
 
 varying vec4 vary_light;
 varying vec2 vary_fragcoord;
diff --git a/indra/newview/app_settings/shaders/class1/deferred/terrainF.glsl b/indra/newview/app_settings/shaders/class1/deferred/terrainF.glsl
index 9ba508a30c..0edae47918 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/terrainF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/terrainF.glsl
@@ -4,6 +4,8 @@
  * $LicenseInfo:firstyear=2007&license=viewerlgpl$
  * $/LicenseInfo$
  */
+ 
+#version 120
 
 uniform sampler2D detail_0;
 uniform sampler2D detail_1;
diff --git a/indra/newview/app_settings/shaders/class1/deferred/terrainV.glsl b/indra/newview/app_settings/shaders/class1/deferred/terrainV.glsl
index 789e53b789..a6163063be 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/terrainV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/terrainV.glsl
@@ -4,6 +4,8 @@
  * $LicenseInfo:firstyear=2007&license=viewerlgpl$
  * $/LicenseInfo$
  */
+ 
+#version 120
 
 varying vec3 vary_normal;
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/treeF.glsl b/indra/newview/app_settings/shaders/class1/deferred/treeF.glsl
index 1c1725a95c..c54d9a1e3e 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/treeF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/treeF.glsl
@@ -4,6 +4,8 @@
  * $LicenseInfo:firstyear=2007&license=viewerlgpl$
  * $/LicenseInfo$
  */
+ 
+#version 120
 
 uniform sampler2D diffuseMap;
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/treeV.glsl b/indra/newview/app_settings/shaders/class1/deferred/treeV.glsl
index 45832e350f..29689ecbaf 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/treeV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/treeV.glsl
@@ -4,6 +4,8 @@
  * $LicenseInfo:firstyear=2007&license=viewerlgpl$
  * $/LicenseInfo$
  */
+ 
+#version 120
 
 varying vec3 vary_normal;
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/waterF.glsl b/indra/newview/app_settings/shaders/class1/deferred/waterF.glsl
index ea531de24a..e76f598d09 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/waterF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/waterF.glsl
@@ -4,6 +4,8 @@
  * $LicenseInfo:firstyear=2007&license=viewerlgpl$
  * $/LicenseInfo$
  */
+ 
+#version 120
 
 #extension GL_ARB_texture_rectangle : enable
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/waterV.glsl b/indra/newview/app_settings/shaders/class1/deferred/waterV.glsl
index e002d75ebe..649e392630 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/waterV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/waterV.glsl
@@ -4,6 +4,8 @@
  * $LicenseInfo:firstyear=2007&license=viewerlgpl$
  * $/LicenseInfo$
  */
+ 
+#version 120
 
 void calcAtmospherics(vec3 inPositionEye);