merge changes for vmrg-227

36 files changed, 303 insertions, 248 deletions

diff --git a/indra/newview/app_settings/shaders/class1/deferred/alphaSkinnedV.glsl b/indra/newview/app_settings/shaders/class1/deferred/alphaSkinnedV.glsl
index 40b0cf47ac..eada38eaaa 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/alphaSkinnedV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/alphaSkinnedV.glsl
@@ -55,6 +55,12 @@ uniform vec3 light_direction[8];
 uniform vec3 light_attenuation[8]; 
 uniform vec3 light_diffuse[8];
 
+float calcDirectionalLight(vec3 n, vec3 l)
+{
+        float a = max(dot(n,l),0.0);
+        return a;
+}
+
 float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float fa, float is_pointlight)
 {
 	//get light vector
diff --git a/indra/newview/app_settings/shaders/class1/deferred/alphaV.glsl b/indra/newview/app_settings/shaders/class1/deferred/alphaV.glsl
index 8c96d55342..5c36118a50 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/alphaV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/alphaV.glsl
@@ -64,6 +64,12 @@ uniform vec3 light_direction[8];
 uniform vec3 light_attenuation[8]; 
 uniform vec3 light_diffuse[8];
 
+float calcDirectionalLight(vec3 n, vec3 l)
+{
+        float a = max(dot(n,l),0.0);
+        return a;
+}
+
 float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float fa, float is_pointlight)
 {
 	//get light vector
diff --git a/indra/newview/app_settings/shaders/class1/deferred/avatarAlphaV.glsl b/indra/newview/app_settings/shaders/class1/deferred/avatarAlphaV.glsl
index c0edddc40a..d6149fcc32 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/avatarAlphaV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/avatarAlphaV.glsl
@@ -59,6 +59,12 @@ uniform vec3 light_direction[8];
 uniform vec3 light_attenuation[8]; 
 uniform vec3 light_diffuse[8];
 
+float calcDirectionalLight(vec3 n, vec3 l)
+{
+        float a = max(dot(n,l),0.0);
+        return a;
+}
+
 float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float fa, float is_pointlight)
 {
 	//get light vector
diff --git a/indra/newview/app_settings/shaders/class1/deferred/cloudsV.glsl b/indra/newview/app_settings/shaders/class1/deferred/cloudsV.glsl
index 64e094e3c5..17f425475c 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/cloudsV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/cloudsV.glsl
@@ -50,18 +50,18 @@ uniform vec4 sunlight_color;
 uniform vec4 ambient;
 uniform vec4 blue_horizon;
 uniform vec4 blue_density;
-uniform vec4 haze_horizon;
-uniform vec4 haze_density;
+uniform float haze_horizon;
+uniform float haze_density;
 
-uniform vec4 cloud_shadow;
-uniform vec4 density_multiplier;
-uniform vec4 max_y;
+uniform float cloud_shadow;
+uniform float density_multiplier;
+uniform float max_y;
 
 uniform vec4 glow;
 
 uniform vec4 cloud_color;
 
-uniform vec4 cloud_scale;
+uniform float cloud_scale;
 
 void main()
 {
@@ -77,7 +77,7 @@ void main()
 	// Set altitude
 	if (P.y > 0.)
 	{
-		P *= (max_y.x / P.y);
+		P *= (max_y / P.y);
 	}
 	else
 	{
@@ -99,12 +99,12 @@ void main()
 
 	// Sunlight attenuation effect (hue and brightness) due to atmosphere
 	// this is used later for sunlight modulation at various altitudes
-	light_atten = (blue_density * 1.0 + haze_density.x * 0.25) * (density_multiplier.x * max_y.x);
+	light_atten = (blue_density + vec4(haze_density * 0.25)) * (density_multiplier * max_y);
 
 	// Calculate relative weights
-	temp1 = blue_density + haze_density.x;
+	temp1 = blue_density + haze_density;
 	blue_weight = blue_density / temp1;
-	haze_weight = haze_density.x / temp1;
+	haze_weight = haze_density / temp1;
 
 	// Compute sunlight from P & lightnorm (for long rays like sky)
 	temp2.y = max(0., max(0., Pn.y) * 1.0 + lightnorm.y );
@@ -112,7 +112,7 @@ void main()
 	sunlight *= exp( - light_atten * temp2.y);
 
 	// Distance
-	temp2.z = Plen * density_multiplier.x;
+	temp2.z = Plen * density_multiplier;
 
 	// Transparency (-> temp1)
 	// ATI Bugfix -- can't store temp1*temp2.z in a variable because the ati
@@ -136,14 +136,14 @@ void main()
 
 	// Increase ambient when there are more clouds
 	vec4 tmpAmbient = ambient;
-	tmpAmbient += (1. - tmpAmbient) * cloud_shadow.x * 0.5; 
+	tmpAmbient += (1. - tmpAmbient) * cloud_shadow * 0.5; 
 
 	// Dim sunlight by cloud shadow percentage
-	sunlight *= (1. - cloud_shadow.x);
+	sunlight *= (1. - cloud_shadow);
 
 	// Haze color below cloud
 	vec4 additiveColorBelowCloud = (	  blue_horizon * blue_weight * (sunlight + tmpAmbient)
-				+ (haze_horizon.r * haze_weight) * (sunlight * temp2.x + tmpAmbient)
+				+ (haze_horizon * haze_weight) * (sunlight * temp2.x + tmpAmbient)
 			 );	
 
 	// CLOUDS
@@ -164,13 +164,13 @@ void main()
 	vec4 oHazeColorBelowCloud = additiveColorBelowCloud * (1. - temp1);
 
 	// Make a nice cloud density based on the cloud_shadow value that was passed in.
-	vary_CloudDensity = 2. * (cloud_shadow.x - 0.25);
+	vary_CloudDensity = 2. * (cloud_shadow - 0.25);
 
 
 	// Texture coords
 	vary_texcoord0 = texcoord0;
 	vary_texcoord0.xy -= 0.5;
-	vary_texcoord0.xy /= cloud_scale.x;
+	vary_texcoord0.xy /= cloud_scale;
 	vary_texcoord0.xy += 0.5;
 
 	vary_texcoord1 = vary_texcoord0;
diff --git a/indra/newview/app_settings/shaders/class1/deferred/skyV.glsl b/indra/newview/app_settings/shaders/class1/deferred/skyV.glsl
index 721de18e0b..cb7603f4fd 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/skyV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/skyV.glsl
@@ -44,19 +44,17 @@ uniform vec4 sunlight_color;
 uniform vec4 ambient;
 uniform vec4 blue_horizon;
 uniform vec4 blue_density;
-uniform vec4 haze_horizon;
-uniform vec4 haze_density;
+uniform float haze_horizon;
+uniform float haze_density;
 
-uniform vec4 cloud_shadow;
-uniform vec4 density_multiplier;
-uniform vec4 max_y;
+uniform float cloud_shadow;
+uniform float density_multiplier;
+uniform float max_y;
 
 uniform vec4 glow;
 
 uniform vec4 cloud_color;
 
-uniform vec4 cloud_scale;
-
 void main()
 {
 
@@ -71,7 +69,7 @@ void main()
 	// Set altitude
 	if (P.y > 0.)
 	{
-		P *= (max_y.x / P.y);
+		P *= (max_y / P.y);
 	}
 	else
 	{
@@ -93,12 +91,12 @@ void main()
 
 	// Sunlight attenuation effect (hue and brightness) due to atmosphere
 	// this is used later for sunlight modulation at various altitudes
-	light_atten = (blue_density * 1.0 + haze_density.x * 0.25) * (density_multiplier.x * max_y.x);
+	light_atten = (blue_density + vec4(haze_density * 0.25)) * (density_multiplier * max_y);
 
 	// Calculate relative weights
-	temp1 = blue_density + haze_density.x;
+	temp1 = blue_density + haze_density;
 	blue_weight = blue_density / temp1;
-	haze_weight = haze_density.x / temp1;
+	haze_weight = haze_density / temp1;
 
 	// Compute sunlight from P & lightnorm (for long rays like sky)
 	temp2.y = max(0., max(0., Pn.y) * 1.0 + lightnorm.y );
@@ -106,7 +104,7 @@ void main()
 	sunlight *= exp( - light_atten * temp2.y);
 
 	// Distance
-	temp2.z = Plen * density_multiplier.x;
+	temp2.z = Plen * density_multiplier;
 
 	// Transparency (-> temp1)
 	// ATI Bugfix -- can't store temp1*temp2.z in a variable because the ati
@@ -131,20 +129,20 @@ void main()
 
 	// Haze color above cloud
 	vary_HazeColor = (	  blue_horizon * blue_weight * (sunlight + ambient)
-				+ (haze_horizon.r * haze_weight) * (sunlight * temp2.x + ambient)
+				+ (haze_horizon * haze_weight) * (sunlight * temp2.x + ambient)
 			 );	
 
 
 	// Increase ambient when there are more clouds
 	vec4 tmpAmbient = ambient;
-	tmpAmbient += (1. - tmpAmbient) * cloud_shadow.x * 0.5; 
+	tmpAmbient += (1. - tmpAmbient) * cloud_shadow * 0.5; 
 
 	// Dim sunlight by cloud shadow percentage
-	sunlight *= (1. - cloud_shadow.x);
+	sunlight *= (1. - cloud_shadow);
 
 	// Haze color below cloud
 	vec4 additiveColorBelowCloud = (	  blue_horizon * blue_weight * (sunlight + tmpAmbient)
-				+ (haze_horizon.r * haze_weight) * (sunlight * temp2.x + tmpAmbient)
+				+ (haze_horizon * haze_weight) * (sunlight * temp2.x + tmpAmbient)
 			 );	
 
 	// Final atmosphere additive
diff --git a/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl
index 51110ae4df..0c53a4ffa5 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl
@@ -51,12 +51,12 @@ uniform vec4 sunlight_color;
 uniform vec4 ambient;
 uniform vec4 blue_horizon;
 uniform vec4 blue_density;
-uniform vec4 haze_horizon;
-uniform vec4 haze_density;
-uniform vec4 cloud_shadow;
-uniform vec4 density_multiplier;
-uniform vec4 distance_multiplier;
-uniform vec4 max_y;
+uniform float haze_horizon;
+uniform float haze_density;
+uniform float cloud_shadow;
+uniform float density_multiplier;
+uniform float distance_multiplier;
+uniform float max_y;
 uniform vec4 glow;
 uniform float scene_light_strength;
 uniform mat3 env_mat;
@@ -159,13 +159,13 @@ void calcAtmospherics(vec3 inPositionEye, float ambFactor) {
 
 	//sunlight attenuation effect (hue and brightness) due to atmosphere
 	//this is used later for sunlight modulation at various altitudes
-	light_atten = (blue_density * 1.0 + vec4(haze_density.r) * 0.25) * (density_multiplier.x * max_y.x);
+	light_atten = (blue_density + vec4(haze_density * 0.25)) * (density_multiplier * max_y);
 		//I had thought blue_density and haze_density should have equal weighting,
 		//but attenuation due to haze_density tends to seem too strong
 
-	temp1 = blue_density + vec4(haze_density.r);
+	temp1 = blue_density + vec4(haze_density);
 	blue_weight = blue_density / temp1;
-	haze_weight = vec4(haze_density.r) / temp1;
+	haze_weight = vec4(haze_density) / temp1;
 
 	//(TERRAIN) compute sunlight from lightnorm only (for short rays like terrain)
 	temp2.y = max(0.0, tmpLightnorm.y);
@@ -173,12 +173,12 @@ void calcAtmospherics(vec3 inPositionEye, float ambFactor) {
 	sunlight *= exp( - light_atten * temp2.y);
 
 	// main atmospheric scattering line integral
-	temp2.z = Plen * density_multiplier.x;
+	temp2.z = Plen * density_multiplier;
 
 	// Transparency (-> temp1)
-	// ATI Bugfix -- can't store temp1*temp2.z*distance_multiplier.x in a variable because the ati
+	// ATI Bugfix -- can't store temp1*temp2.z*distance_multiplier in a variable because the ati
 	// compiler gets confused.
-	temp1 = exp(-temp1 * temp2.z * distance_multiplier.x);
+	temp1 = exp(-temp1 * temp2.z * distance_multiplier);
 
 	//final atmosphere attenuation factor
 	setAtmosAttenuation(temp1.rgb);
@@ -199,7 +199,7 @@ 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;
+	vec4 tmpAmbient = ambient + (vec4(1.) - ambient) * cloud_shadow * 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
@@ -213,8 +213,8 @@ void calcAtmospherics(vec3 inPositionEye, float ambFactor) {
 
 	//haze color
 	setAdditiveColor(
-		vec3(blue_horizon * blue_weight * (sunlight*(1.-cloud_shadow.x) + tmpAmbient)
-	  + (haze_horizon.r * haze_weight) * (sunlight*(1.-cloud_shadow.x) * temp2.x
+		vec3(blue_horizon * blue_weight * (sunlight*(1.-cloud_shadow) + tmpAmbient)
+	  + (haze_horizon * haze_weight) * (sunlight*(1.-cloud_shadow) * temp2.x
 		  + tmpAmbient)));
 
 	//brightness of surface both sunlight and ambient
diff --git a/indra/newview/app_settings/shaders/class2/deferred/alphaSkinnedV.glsl b/indra/newview/app_settings/shaders/class2/deferred/alphaSkinnedV.glsl
index 83815b1786..9629cfe824 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/alphaSkinnedV.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/alphaSkinnedV.glsl
@@ -61,6 +61,12 @@ uniform vec3 light_direction[8];
 uniform vec3 light_attenuation[8]; 
 uniform vec3 light_diffuse[8];
 
+float calcDirectionalLight(vec3 n, vec3 l)
+{
+        float a = max(dot(n,l),0.0);
+        return a;
+}
+
 float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float fa, float is_pointlight)
 {
 //get light vector
diff --git a/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl b/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl
index 1660f9687e..1586aab0f2 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl
@@ -63,6 +63,12 @@ uniform vec3 light_direction[8];
 uniform vec3 light_attenuation[8]; 
 uniform vec3 light_diffuse[8];
 
+float calcDirectionalLight(vec3 n, vec3 l)
+{
+        float a = max(dot(n,l),0.0);
+        return a;
+}
+
 float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float fa, float is_pointlight)
 {
 	//get light vector
diff --git a/indra/newview/app_settings/shaders/class2/deferred/avatarAlphaV.glsl b/indra/newview/app_settings/shaders/class2/deferred/avatarAlphaV.glsl
index 84c27edb26..44aaa98b97 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/avatarAlphaV.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/avatarAlphaV.glsl
@@ -60,6 +60,12 @@ uniform vec3 light_direction[8];
 uniform vec3 light_attenuation[8]; 
 uniform vec3 light_diffuse[8];
 
+float calcDirectionalLight(vec3 n, vec3 l)
+{
+        float a = max(dot(n,l),0.0);
+        return a;
+}
+
 float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float fa, float is_pointlight)
 {
 	//get light vector
diff --git a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
index 97f3063a9e..27ea77b5a2 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
@@ -51,12 +51,12 @@ uniform vec4 sunlight_color;
 uniform vec4 ambient;
 uniform vec4 blue_horizon;
 uniform vec4 blue_density;
-uniform vec4 haze_horizon;
-uniform vec4 haze_density;
-uniform vec4 cloud_shadow;
-uniform vec4 density_multiplier;
-uniform vec4 distance_multiplier;
-uniform vec4 max_y;
+uniform float haze_horizon;
+uniform float haze_density;
+uniform float cloud_shadow;
+uniform float density_multiplier;
+uniform float distance_multiplier;
+uniform float max_y;
 uniform vec4 glow;
 uniform float scene_light_strength;
 uniform mat3 env_mat;
@@ -161,13 +161,13 @@ void calcAtmospherics(vec3 inPositionEye, float ambFactor) {
 
 	//sunlight attenuation effect (hue and brightness) due to atmosphere
 	//this is used later for sunlight modulation at various altitudes
-	light_atten = (blue_density * 1.0 + vec4(haze_density.r) * 0.25) * (density_multiplier.x * max_y.x);
+	light_atten = (blue_density + vec4(haze_density * 0.25)) * (density_multiplier * max_y);
 		//I had thought blue_density and haze_density should have equal weighting,
 		//but attenuation due to haze_density tends to seem too strong
 
-	temp1 = blue_density + vec4(haze_density.r);
+	temp1 = blue_density + vec4(haze_density);
 	blue_weight = blue_density / temp1;
-	haze_weight = vec4(haze_density.r) / temp1;
+	haze_weight = vec4(haze_density) / temp1;
 
 	//(TERRAIN) compute sunlight from lightnorm only (for short rays like terrain)
 	temp2.y = max(0.0, tmpLightnorm.y);
@@ -175,12 +175,12 @@ void calcAtmospherics(vec3 inPositionEye, float ambFactor) {
 	sunlight *= exp( - light_atten * temp2.y);
 
 	// main atmospheric scattering line integral
-	temp2.z = Plen * density_multiplier.x;
+	temp2.z = Plen * density_multiplier;
 
 	// Transparency (-> temp1)
-	// ATI Bugfix -- can't store temp1*temp2.z*distance_multiplier.x in a variable because the ati
+	// ATI Bugfix -- can't store temp1*temp2.z*distance_multiplier in a variable because the ati
 	// compiler gets confused.
-	temp1 = exp(-temp1 * temp2.z * distance_multiplier.x);
+	temp1 = exp(-temp1 * temp2.z * distance_multiplier);
 
 	//final atmosphere attenuation factor
 	setAtmosAttenuation(temp1.rgb);
@@ -201,7 +201,7 @@ 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;
+	vec4 tmpAmbient = ambient + (vec4(1.) - ambient) * cloud_shadow * 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
@@ -215,8 +215,8 @@ void calcAtmospherics(vec3 inPositionEye, float ambFactor) {
 
 	//haze color
 	setAdditiveColor(
-		vec3(blue_horizon * blue_weight * (sunlight*(1.-cloud_shadow.x) + tmpAmbient)
-	  + (haze_horizon.r * haze_weight) * (sunlight*(1.-cloud_shadow.x) * temp2.x
+		vec3(blue_horizon * blue_weight * (sunlight*(1.-cloud_shadow) + tmpAmbient)
+	  + (haze_horizon * haze_weight) * (sunlight*(1.-cloud_shadow) * temp2.x
 		  + tmpAmbient)));
 
 	//brightness of surface both sunlight and ambient
diff --git a/indra/newview/app_settings/shaders/class2/windlight/atmosphericsV.glsl b/indra/newview/app_settings/shaders/class2/windlight/atmosphericsV.glsl
index 6a83be1426..da3d922017 100644
--- a/indra/newview/app_settings/shaders/class2/windlight/atmosphericsV.glsl
+++ b/indra/newview/app_settings/shaders/class2/windlight/atmosphericsV.glsl
@@ -47,12 +47,12 @@ uniform vec4 sunlight_color;
 uniform vec4 ambient;
 uniform vec4 blue_horizon;
 uniform vec4 blue_density;
-uniform vec4 haze_horizon;
-uniform vec4 haze_density;
-uniform vec4 cloud_shadow;
-uniform vec4 density_multiplier;
-uniform vec4 distance_multiplier;
-uniform vec4 max_y;
+uniform float haze_horizon;
+uniform float haze_density;
+uniform float cloud_shadow;
+uniform float density_multiplier;
+uniform float distance_multiplier;
+uniform float max_y;
 uniform vec4 glow;
 
 void calcAtmospherics(vec3 inPositionEye) {
@@ -61,8 +61,8 @@ void calcAtmospherics(vec3 inPositionEye) {
 	setPositionEye(P);
 	
 	//(TERRAIN) limit altitude
-	if (P.y > max_y.x) P *= (max_y.x / P.y);
-	if (P.y < -max_y.x) P *= (-max_y.x / P.y);
+	if (P.y > max_y) P *= (max_y / P.y);
+	if (P.y < -max_y) P *= (-max_y / P.y);
 
 	vec3 tmpLightnorm = lightnorm.xyz;
 
@@ -78,13 +78,13 @@ void calcAtmospherics(vec3 inPositionEye) {
 
 	//sunlight attenuation effect (hue and brightness) due to atmosphere
 	//this is used later for sunlight modulation at various altitudes
-	light_atten = (blue_density * 1.0 + vec4(haze_density.r) * 0.25) * (density_multiplier.x * max_y.x);
+	light_atten = (blue_density + vec4(haze_density * 0.25)) * (density_multiplier * max_y);
 		//I had thought blue_density and haze_density should have equal weighting,
 		//but attenuation due to haze_density tends to seem too strong
 
-	temp1 = blue_density + vec4(haze_density.r);
+	temp1 = blue_density + vec4(haze_density);
 	blue_weight = blue_density / temp1;
-	haze_weight = vec4(haze_density.r) / temp1;
+	haze_weight = vec4(haze_density) / temp1;
 
 	//(TERRAIN) compute sunlight from lightnorm only (for short rays like terrain)
 	temp2.y = max(0.0, tmpLightnorm.y);
@@ -92,12 +92,12 @@ void calcAtmospherics(vec3 inPositionEye) {
 	sunlight *= exp( - light_atten * temp2.y);
 
 	// main atmospheric scattering line integral
-	temp2.z = Plen * density_multiplier.x;
+	temp2.z = Plen * density_multiplier;
 
 	// Transparency (-> temp1)
-	// ATI Bugfix -- can't store temp1*temp2.z*distance_multiplier.x in a variable because the ati
+	// ATI Bugfix -- can't store temp1*temp2.z*distance_multiplier in a variable because the ati
 	// compiler gets confused.
-	temp1 = exp(-temp1 * temp2.z * distance_multiplier.x);
+	temp1 = exp(-temp1 * temp2.z * distance_multiplier);
 
 	//final atmosphere attenuation factor
 	setAtmosAttenuation(temp1.rgb);
@@ -122,12 +122,12 @@ void calcAtmospherics(vec3 inPositionEye) {
 
 
 	//increase ambient when there are more clouds
-	vec4 tmpAmbient = ambient + (vec4(1.) - ambient) * cloud_shadow.x * 0.5;
+	vec4 tmpAmbient = ambient + (vec4(1.) - ambient) * cloud_shadow * 0.5;
 
 	//haze color
 	setAdditiveColor(
-		vec3(blue_horizon * blue_weight * (sunlight*(1.-cloud_shadow.x) + tmpAmbient)
-	  + (haze_horizon.r * haze_weight) * (sunlight*(1.-cloud_shadow.x) * temp2.x
+		vec3(blue_horizon * blue_weight * (sunlight*(1.-cloud_shadow) + tmpAmbient)
+	  + (haze_horizon * haze_weight) * (sunlight*(1.-cloud_shadow) * temp2.x
 		  + tmpAmbient)));
 
 	//brightness of surface both sunlight and ambient
diff --git a/indra/newview/app_settings/shaders/class2/windlight/cloudsV.glsl b/indra/newview/app_settings/shaders/class2/windlight/cloudsV.glsl
index c5bb52169c..c1dd45cd67 100644
--- a/indra/newview/app_settings/shaders/class2/windlight/cloudsV.glsl
+++ b/indra/newview/app_settings/shaders/class2/windlight/cloudsV.glsl
@@ -49,18 +49,18 @@ uniform vec4 sunlight_color;
 uniform vec4 ambient;
 uniform vec4 blue_horizon;
 uniform vec4 blue_density;
-uniform vec4 haze_horizon;
-uniform vec4 haze_density;
+uniform float haze_horizon;
+uniform float haze_density;
 
-uniform vec4 cloud_shadow;
-uniform vec4 density_multiplier;
-uniform vec4 max_y;
+uniform float cloud_shadow;
+uniform float density_multiplier;
+uniform float max_y;
 
 uniform vec4 glow;
 
 uniform vec4 cloud_color;
 
-uniform vec4 cloud_scale;
+uniform float cloud_scale;
 
 void main()
 {
@@ -76,7 +76,7 @@ void main()
 	// Set altitude
 	if (P.y > 0.)
 	{
-		P *= (max_y.x / P.y);
+		P *= (max_y / P.y);
 	}
 	else
 	{
@@ -98,12 +98,12 @@ void main()
 
 	// Sunlight attenuation effect (hue and brightness) due to atmosphere
 	// this is used later for sunlight modulation at various altitudes
-	light_atten = (blue_density * 1.0 + haze_density.x * 0.25) * (density_multiplier.x * max_y.x);
+	light_atten = (blue_density + vec4(haze_density * 0.25)) * (density_multiplier * max_y);
 
 	// Calculate relative weights
-	temp1 = blue_density + haze_density.x;
+	temp1 = blue_density + haze_density;
 	blue_weight = blue_density / temp1;
-	haze_weight = haze_density.x / temp1;
+	haze_weight = haze_density / temp1;
 
 	// Compute sunlight from P & lightnorm (for long rays like sky)
 	temp2.y = max(0., max(0., Pn.y) * 1.0 + lightnorm.y );
@@ -111,7 +111,7 @@ void main()
 	sunlight *= exp( - light_atten * temp2.y);
 
 	// Distance
-	temp2.z = Plen * density_multiplier.x;
+	temp2.z = Plen * density_multiplier;
 
 	// Transparency (-> temp1)
 	// ATI Bugfix -- can't store temp1*temp2.z in a variable because the ati
@@ -135,14 +135,14 @@ void main()
 
 	// Increase ambient when there are more clouds
 	vec4 tmpAmbient = ambient;
-	tmpAmbient += (1. - tmpAmbient) * cloud_shadow.x * 0.5; 
+	tmpAmbient += (1. - tmpAmbient) * cloud_shadow * 0.5; 
 
 	// Dim sunlight by cloud shadow percentage
-	sunlight *= (1. - cloud_shadow.x);
+	sunlight *= (1. - cloud_shadow);
 
 	// Haze color below cloud
 	vec4 additiveColorBelowCloud = (	  blue_horizon * blue_weight * (sunlight + tmpAmbient)
-				+ (haze_horizon.r * haze_weight) * (sunlight * temp2.x + tmpAmbient)
+				+ (haze_horizon * haze_weight) * (sunlight * temp2.x + tmpAmbient)
 			 );	
 
 	// CLOUDS
@@ -163,13 +163,13 @@ void main()
 	vec4 oHazeColorBelowCloud = additiveColorBelowCloud * (1. - temp1);
 
 	// Make a nice cloud density based on the cloud_shadow value that was passed in.
-	vary_CloudDensity = 2. * (cloud_shadow.x - 0.25);
+	vary_CloudDensity = 2. * (cloud_shadow - 0.25);
 
 
 	// Texture coords
 	vary_texcoord0 = texcoord0;
 	vary_texcoord0.xy -= 0.5;
-	vary_texcoord0.xy /= cloud_scale.x;
+	vary_texcoord0.xy /= cloud_scale;
 	vary_texcoord0.xy += 0.5;
 
 	vary_texcoord1 = vary_texcoord0;
diff --git a/indra/newview/app_settings/shaders/class2/windlight/skyV.glsl b/indra/newview/app_settings/shaders/class2/windlight/skyV.glsl
index 46773cf89f..3788ddaf2d 100644
--- a/indra/newview/app_settings/shaders/class2/windlight/skyV.glsl
+++ b/indra/newview/app_settings/shaders/class2/windlight/skyV.glsl
@@ -42,19 +42,17 @@ uniform vec4 sunlight_color;
 uniform vec4 ambient;
 uniform vec4 blue_horizon;
 uniform vec4 blue_density;
-uniform vec4 haze_horizon;
-uniform vec4 haze_density;
+uniform float haze_horizon;
+uniform float haze_density;
 
-uniform vec4 cloud_shadow;
-uniform vec4 density_multiplier;
-uniform vec4 max_y;
+uniform float cloud_shadow;
+uniform float density_multiplier;
+uniform float max_y;
 
 uniform vec4 glow;
 
 uniform vec4 cloud_color;
 
-uniform vec4 cloud_scale;
-
 void main()
 {
 
@@ -68,7 +66,7 @@ void main()
 	// Set altitude
 	if (P.y > 0.)
 	{
-		P *= (max_y.x / P.y);
+		P *= (max_y / P.y);
 	}
 	else
 	{
@@ -87,15 +85,14 @@ void main()
 	vec4 sunlight = sunlight_color;
 	vec4 light_atten;
 
-
 	// Sunlight attenuation effect (hue and brightness) due to atmosphere
 	// this is used later for sunlight modulation at various altitudes
-	light_atten = (blue_density * 1.0 + haze_density.x * 0.25) * (density_multiplier.x * max_y.x);
+	light_atten = (blue_density + vec4(haze_density * 0.25)) * (density_multiplier * max_y);
 
 	// Calculate relative weights
-	temp1 = blue_density + haze_density.x;
+	temp1 = blue_density + haze_density;
 	blue_weight = blue_density / temp1;
-	haze_weight = haze_density.x / temp1;
+	haze_weight = haze_density / temp1;
 
 	// Compute sunlight from P & lightnorm (for long rays like sky)
 	temp2.y = max(0., max(0., Pn.y) * 1.0 + lightnorm.y );
@@ -103,7 +100,7 @@ void main()
 	sunlight *= exp( - light_atten * temp2.y);
 
 	// Distance
-	temp2.z = Plen * density_multiplier.x;
+	temp2.z = Plen * density_multiplier;
 
 	// Transparency (-> temp1)
 	// ATI Bugfix -- can't store temp1*temp2.z in a variable because the ati
@@ -128,20 +125,20 @@ void main()
 
 	// Haze color above cloud
 	vary_HazeColor = (	  blue_horizon * blue_weight * (sunlight + ambient)
-				+ (haze_horizon.r * haze_weight) * (sunlight * temp2.x + ambient)
+				+ (haze_horizon * haze_weight) * (sunlight * temp2.x + ambient)
 			 );	
 
 
 	// Increase ambient when there are more clouds
 	vec4 tmpAmbient = ambient;
-	tmpAmbient += (1. - tmpAmbient) * cloud_shadow.x * 0.5; 
+	tmpAmbient += (1. - tmpAmbient) * cloud_shadow * 0.5; 
 
 	// Dim sunlight by cloud shadow percentage
-	sunlight *= (1. - cloud_shadow.x);
+	sunlight *= (1. - cloud_shadow);
 
 	// Haze color below cloud
 	vec4 additiveColorBelowCloud = (	  blue_horizon * blue_weight * (sunlight + tmpAmbient)
-				+ (haze_horizon.r * haze_weight) * (sunlight * temp2.x + tmpAmbient)
+				+ (haze_horizon * haze_weight) * (sunlight * temp2.x + tmpAmbient)
 			 );	
 
 	// Final atmosphere additive
diff --git a/indra/newview/featuretable.txt b/indra/newview/featuretable.txt
index 0f33d40ac3..76bb2b0976 100644
--- a/indra/newview/featuretable.txt
+++ b/indra/newview/featuretable.txt
@@ -42,7 +42,6 @@ RenderGamma					1	0
 RenderGlowResolutionPow		1	9
 RenderGround				1	1
 RenderMaxPartCount			1	8192
-RenderNightBrightness		1	1.0
 RenderObjectBump			1	1
 RenderLocalLights			1	1
 RenderReflectionDetail		1	4
diff --git a/indra/newview/featuretable_linux.txt b/indra/newview/featuretable_linux.txt
index 8142311a55..5e217e000a 100644
--- a/indra/newview/featuretable_linux.txt
+++ b/indra/newview/featuretable_linux.txt
@@ -43,7 +43,6 @@ RenderGlowResolutionPow		1	9
 RenderGround				1	1
 RenderLocalLights			1	1
 RenderMaxPartCount			1	8192
-RenderNightBrightness		1	1.0
 RenderObjectBump			1	1
 RenderReflectionDetail		1	4
 RenderTerrainDetail			1	1
diff --git a/indra/newview/featuretable_mac.txt b/indra/newview/featuretable_mac.txt
index 942c043081..915a012a39 100644
--- a/indra/newview/featuretable_mac.txt
+++ b/indra/newview/featuretable_mac.txt
@@ -43,7 +43,6 @@ RenderGlowResolutionPow			1	9
 RenderGround					1	1
 RenderLocalLights				1	1
 RenderMaxPartCount				1	8192
-RenderNightBrightness			1	1.0
 RenderObjectBump				1	1
 RenderReflectionDetail			1	4
 RenderTerrainDetail				1	1
diff --git a/indra/newview/featuretable_xp.txt b/indra/newview/featuretable_xp.txt
index 278d601860..ae2cf910f2 100644
--- a/indra/newview/featuretable_xp.txt
+++ b/indra/newview/featuretable_xp.txt
@@ -43,7 +43,6 @@ RenderGlowResolutionPow		1	9
 RenderGround				1	1
 RenderLocalLights			1	1
 RenderMaxPartCount			1	8192
-RenderNightBrightness		1	1.0
 RenderObjectBump			1	1
 RenderReflectionDetail		1	4
 RenderTerrainDetail			1	1
diff --git a/indra/newview/llfloatereditsky.cpp b/indra/newview/llfloatereditsky.cpp
index abee7b5dc9..352361ce9e 100644
--- a/indra/newview/llfloatereditsky.cpp
+++ b/indra/newview/llfloatereditsky.cpp
@@ -151,8 +151,8 @@ void LLFloaterEditSky::initCallbacks(void)
 	getChild<LLUICtrl>("WLBlueHorizon")->setCommitCallback(boost::bind(&LLFloaterEditSky::onColorControlMoved, this, _1, &param_mgr.mBlueHorizon));
 
 	// haze density, horizon, mult, and altitude
-	getChild<LLUICtrl>("WLHazeDensity")->setCommitCallback(boost::bind(&LLFloaterEditSky::onColorControlRMoved, this, _1, &param_mgr.mHazeDensity));
-	getChild<LLUICtrl>("WLHazeHorizon")->setCommitCallback(boost::bind(&LLFloaterEditSky::onColorControlRMoved, this, _1, &param_mgr.mHazeHorizon));
+	getChild<LLUICtrl>("WLHazeDensity")->setCommitCallback(boost::bind(&LLFloaterEditSky::onFloatControlMoved, this, _1, &param_mgr.mHazeDensity));
+	getChild<LLUICtrl>("WLHazeHorizon")->setCommitCallback(boost::bind(&LLFloaterEditSky::onFloatControlMoved, this, _1, &param_mgr.mHazeHorizon));
 	getChild<LLUICtrl>("WLDensityMult")->setCommitCallback(boost::bind(&LLFloaterEditSky::onFloatControlMoved, this, _1, &param_mgr.mDensityMult));
 	getChild<LLUICtrl>("WLMaxAltitude")->setCommitCallback(boost::bind(&LLFloaterEditSky::onFloatControlMoved, this, _1, &param_mgr.mMaxAlt));
 
@@ -220,15 +220,14 @@ void LLFloaterEditSky::syncControls()
 	setColorSwatch("WLBlueHorizon", param_mgr->mBlueHorizon, WL_BLUE_HORIZON_DENSITY_SCALE);
 
 	// haze density, horizon, mult, and altitude
-	param_mgr->mHazeDensity = cur_params.getVector(param_mgr->mHazeDensity.mName, err);
-	childSetValue("WLHazeDensity", param_mgr->mHazeDensity.r);
-	param_mgr->mHazeHorizon = cur_params.getVector(param_mgr->mHazeHorizon.mName, err);
-	childSetValue("WLHazeHorizon", param_mgr->mHazeHorizon.r);
-	param_mgr->mDensityMult = cur_params.getVector(param_mgr->mDensityMult.mName, err);
-	childSetValue("WLDensityMult", param_mgr->mDensityMult.x *
-		param_mgr->mDensityMult.mult);
-	param_mgr->mMaxAlt = cur_params.getVector(param_mgr->mMaxAlt.mName, err);
-	childSetValue("WLMaxAltitude", param_mgr->mMaxAlt.x);
+	param_mgr->mHazeDensity = cur_params.getFloat(param_mgr->mHazeDensity.mName, err);
+	childSetValue("WLHazeDensity", (F32) param_mgr->mHazeDensity);
+	param_mgr->mHazeHorizon = cur_params.getFloat(param_mgr->mHazeHorizon.mName, err);
+	childSetValue("WLHazeHorizon", (F32) param_mgr->mHazeHorizon);
+	param_mgr->mDensityMult = cur_params.getFloat(param_mgr->mDensityMult.mName, err);
+	childSetValue("WLDensityMult", ((F32) param_mgr->mDensityMult) * param_mgr->mDensityMult.mult);
+	param_mgr->mMaxAlt = cur_params.getFloat(param_mgr->mMaxAlt.mName, err);
+	childSetValue("WLMaxAltitude", (F32) param_mgr->mMaxAlt);
 
 	// blue density
 	param_mgr->mBlueDensity = cur_params.getVector(param_mgr->mBlueDensity.mName, err);
@@ -273,10 +272,10 @@ void LLFloaterEditSky::syncControls()
 	childSetValue("WLCloudDetailDensity", param_mgr->mCloudDetail.b);
 
 	// Cloud extras
-	param_mgr->mCloudCoverage = cur_params.getVector(param_mgr->mCloudCoverage.mName, err);
-	param_mgr->mCloudScale = cur_params.getVector(param_mgr->mCloudScale.mName, err);
-	childSetValue("WLCloudCoverage", param_mgr->mCloudCoverage.x);
-	childSetValue("WLCloudScale", param_mgr->mCloudScale.x);
+	param_mgr->mCloudCoverage = cur_params.getFloat(param_mgr->mCloudCoverage.mName, err);
+	param_mgr->mCloudScale = cur_params.getFloat(param_mgr->mCloudScale.mName, err);
+	childSetValue("WLCloudCoverage", (F32) param_mgr->mCloudCoverage);
+	childSetValue("WLCloudScale", (F32) param_mgr->mCloudScale);
 
 	// cloud scrolling
 	bool lockX = !param_mgr->mCurParams.getEnableCloudScrollX();
@@ -306,13 +305,13 @@ void LLFloaterEditSky::syncControls()
 	childSetValue("WLCloudScrollX", param_mgr->mCurParams.getCloudScrollX() - 10.0f);
 	childSetValue("WLCloudScrollY", param_mgr->mCurParams.getCloudScrollY() - 10.0f);
 
-	param_mgr->mDistanceMult = cur_params.getVector(param_mgr->mDistanceMult.mName, err);
-	childSetValue("WLDistanceMult", param_mgr->mDistanceMult.x);
+	param_mgr->mDistanceMult = cur_params.getFloat(param_mgr->mDistanceMult.mName, err);
+	childSetValue("WLDistanceMult", (F32) param_mgr->mDistanceMult);
 
 	// Tweak extras
 
-	param_mgr->mWLGamma = cur_params.getVector(param_mgr->mWLGamma.mName, err);
-	childSetValue("WLGamma", param_mgr->mWLGamma.x);
+	param_mgr->mWLGamma = cur_params.getFloat(param_mgr->mWLGamma.mName, err);
+	childSetValue("WLGamma", (F32) param_mgr->mWLGamma);
 
 	childSetValue("WLStarAlpha", param_mgr->mCurParams.getStarBrightness());
 }
diff --git a/indra/newview/llfloatermodelpreview.cpp b/indra/newview/llfloatermodelpreview.cpp
index 9122e5a8f5..7448f2bb2a 100755
--- a/indra/newview/llfloatermodelpreview.cpp
+++ b/indra/newview/llfloatermodelpreview.cpp
@@ -4525,7 +4525,17 @@ void LLModelPreview::updateStatusMessages()
 		}
 	}
 
-	if (mFMP->childGetValue("physics_lod_combo").asString() == "From file")
+	
+	LLCtrlSelectionInterface* iface = fmp->childGetSelectionInterface("physics_lod_combo");
+	S32 which_mode = 0; 
+	S32 file_mode = 1;
+	if (iface)
+	{
+		which_mode = iface->getFirstSelectedIndex();
+		file_mode = iface->getItemCount() - 1;
+	}
+
+	if (which_mode == file_mode)
 	{
 		mFMP->childEnable("physics_file");
 		mFMP->childEnable("physics_browse");
diff --git a/indra/newview/llmeshrepository.cpp b/indra/newview/llmeshrepository.cpp
index b02bf79a28..bd20210190 100755
--- a/indra/newview/llmeshrepository.cpp
+++ b/indra/newview/llmeshrepository.cpp
@@ -728,7 +728,7 @@ bool LLMeshRepoThread::fetchMeshSkinInfo(const LLUUID& mesh_id)
 			if (!http_url.empty())
 			{				
 				ret = mCurlRequest->getByteRange(http_url, headers, offset, size,
-										   new LLMeshSkinInfoResponder(mesh_id, offset, size));
+												 new LLMeshSkinInfoResponder(mesh_id, offset, size));
 				if(ret)
 				{
 					LLMeshRepository::sHTTPRequestCount++;
@@ -805,7 +805,7 @@ bool LLMeshRepoThread::fetchMeshDecomposition(const LLUUID& mesh_id)
 			if (!http_url.empty())
 			{				
 				ret = mCurlRequest->getByteRange(http_url, headers, offset, size,
-										   new LLMeshDecompositionResponder(mesh_id, offset, size));
+												 new LLMeshDecompositionResponder(mesh_id, offset, size));
 				if(ret)
 				{
 					LLMeshRepository::sHTTPRequestCount++;
@@ -881,7 +881,7 @@ bool LLMeshRepoThread::fetchMeshPhysicsShape(const LLUUID& mesh_id)
 			if (!http_url.empty())
 			{				
 				ret = mCurlRequest->getByteRange(http_url, headers, offset, size,
-										   new LLMeshPhysicsShapeResponder(mesh_id, offset, size));
+												 new LLMeshPhysicsShapeResponder(mesh_id, offset, size));
 
 				if(ret)
 				{
@@ -1093,17 +1093,19 @@ bool LLMeshRepoThread::headerReceived(const LLVolumeParams& mesh_params, U8* dat
 
 bool LLMeshRepoThread::lodReceived(const LLVolumeParams& mesh_params, S32 lod, U8* data, S32 data_size)
 {
-	LLVolume* volume = new LLVolume(mesh_params, LLVolumeLODGroup::getVolumeScaleFromDetail(lod));
+	LLPointer<LLVolume> volume = new LLVolume(mesh_params, LLVolumeLODGroup::getVolumeScaleFromDetail(lod));
 	std::string mesh_string((char*) data, data_size);
 	std::istringstream stream(mesh_string);
 
 	if (volume->unpackVolumeFaces(stream, data_size))
 	{
-		LoadedMesh mesh(volume, mesh_params, lod);
 		if (volume->getNumFaces() > 0)
 		{
-			LLMutexLock lock(mMutex);
-			mLoadedQ.push(mesh);
+			LoadedMesh mesh(volume, mesh_params, lod);
+			{
+				LLMutexLock lock(mMutex);
+				mLoadedQ.push(mesh);
+			}
 			return true;
 		}
 	}
diff --git a/indra/newview/llviewerdisplay.cpp b/indra/newview/llviewerdisplay.cpp
index cb40af7061..0adb187dd2 100644
--- a/indra/newview/llviewerdisplay.cpp
+++ b/indra/newview/llviewerdisplay.cpp
@@ -260,6 +260,9 @@ void display(BOOL rebuild, F32 zoom_factor, int subfield, BOOL for_snapshot)
 
 	gPipeline.disableLights();
 	
+	//reset vertex buffers if needed
+	gPipeline.doResetVertexBuffers();
+
 	stop_glerror();
 
 	// Don't draw if the window is hidden or minimized.
diff --git a/indra/newview/llviewerjointmesh.cpp b/indra/newview/llviewerjointmesh.cpp
index 76f4e18c27..e052e37393 100644
--- a/indra/newview/llviewerjointmesh.cpp
+++ b/indra/newview/llviewerjointmesh.cpp
@@ -63,7 +63,6 @@ extern PFNGLWEIGHTFVARBPROC glWeightfvARB;
 extern PFNGLVERTEXBLENDARBPROC glVertexBlendARB;
 #endif
 
-static LLPointer<LLVertexBuffer> sRenderBuffer = NULL;
 static const U32 sRenderMask = LLVertexBuffer::MAP_VERTEX |
 							   LLVertexBuffer::MAP_NORMAL |
 							   LLVertexBuffer::MAP_TEXCOORD0;
diff --git a/indra/newview/llviewershadermgr.cpp b/indra/newview/llviewershadermgr.cpp
index 5de363e03c..6db2138688 100644
--- a/indra/newview/llviewershadermgr.cpp
+++ b/indra/newview/llviewershadermgr.cpp
@@ -730,7 +730,7 @@ BOOL LLViewerShaderMgr::loadBasicShaders()
 
 	vector< pair<string, S32> > shaders;
 	shaders.push_back( make_pair( "windlight/atmosphericsVarsV.glsl",		mVertexShaderLevel[SHADER_WINDLIGHT] ) );
-	shaders.push_back( make_pair( "windlight/atmosphericsVarsWaterV.glsl",		mVertexShaderLevel[SHADER_WINDLIGHT] ) );
+	shaders.push_back( make_pair( "windlight/atmosphericsVarsWaterV.glsl",	mVertexShaderLevel[SHADER_WINDLIGHT] ) );
 	shaders.push_back( make_pair( "windlight/atmosphericsHelpersV.glsl",	mVertexShaderLevel[SHADER_WINDLIGHT] ) );
 	shaders.push_back( make_pair( "lighting/lightFuncV.glsl",				mVertexShaderLevel[SHADER_LIGHTING] ) );
 	shaders.push_back( make_pair( "lighting/sumLightsV.glsl",				sum_lights_class ) );
@@ -1102,19 +1102,25 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 	if (success)
 	{
 		gDeferredSkinnedAlphaProgram.mName = "Deferred Skinned Alpha Shader";
+		gDeferredSkinnedAlphaProgram.mFeatures.atmosphericHelpers = true;
 		gDeferredSkinnedAlphaProgram.mFeatures.hasObjectSkinning = true;
 		gDeferredSkinnedAlphaProgram.mFeatures.calculatesAtmospherics = true;
 		gDeferredSkinnedAlphaProgram.mFeatures.hasGamma = true;
 		gDeferredSkinnedAlphaProgram.mFeatures.hasAtmospherics = true;
-		gDeferredSkinnedAlphaProgram.mFeatures.calculatesLighting = true;
-		gDeferredSkinnedAlphaProgram.mFeatures.hasLighting = true;
+		gDeferredSkinnedAlphaProgram.mFeatures.calculatesLighting = false;
+		gDeferredSkinnedAlphaProgram.mFeatures.hasLighting = false;
 		gDeferredSkinnedAlphaProgram.mFeatures.isAlphaLighting = true;
 		gDeferredSkinnedAlphaProgram.mFeatures.disableTextureIndex = true;
 		gDeferredSkinnedAlphaProgram.mShaderFiles.clear();
 		gDeferredSkinnedAlphaProgram.mShaderFiles.push_back(make_pair("deferred/alphaSkinnedV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredSkinnedAlphaProgram.mShaderFiles.push_back(make_pair("deferred/alphaNonIndexedF.glsl", GL_FRAGMENT_SHADER_ARB));
 		gDeferredSkinnedAlphaProgram.mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
+		
 		success = gDeferredSkinnedAlphaProgram.createShader(NULL, NULL);
+		
+		// Hack to include uniforms for lighting without linking in lighting file
+		gDeferredSkinnedAlphaProgram.mFeatures.calculatesLighting = true;
+		gDeferredSkinnedAlphaProgram.mFeatures.hasLighting = true;
 	}
 
 	if (success)
@@ -1231,11 +1237,12 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 	if (success)
 	{
 		gDeferredAlphaProgram.mName = "Deferred Alpha Shader";
-		gDeferredAlphaProgram.mFeatures.calculatesLighting = true;
+		gDeferredAlphaProgram.mFeatures.atmosphericHelpers = true;
+		gDeferredAlphaProgram.mFeatures.calculatesLighting = false;
 		gDeferredAlphaProgram.mFeatures.calculatesAtmospherics = true;
 		gDeferredAlphaProgram.mFeatures.hasGamma = true;
 		gDeferredAlphaProgram.mFeatures.hasAtmospherics = true;
-		gDeferredAlphaProgram.mFeatures.hasLighting = true;
+		gDeferredAlphaProgram.mFeatures.hasLighting = false;
 		gDeferredAlphaProgram.mFeatures.isAlphaLighting = true;
 		gDeferredAlphaProgram.mFeatures.disableTextureIndex = true; //hack to disable auto-setup of texture channels
 		if (mVertexShaderLevel[SHADER_DEFERRED] < 1)
@@ -1251,7 +1258,12 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 		gDeferredAlphaProgram.mShaderFiles.push_back(make_pair("deferred/alphaV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredAlphaProgram.mShaderFiles.push_back(make_pair("deferred/alphaF.glsl", GL_FRAGMENT_SHADER_ARB));
 		gDeferredAlphaProgram.mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
+
 		success = gDeferredAlphaProgram.createShader(NULL, NULL);
+
+		// Hack
+		gDeferredAlphaProgram.mFeatures.calculatesLighting = true;
+		gDeferredAlphaProgram.mFeatures.hasLighting = true;
 	}
 
 	if (success)
@@ -1394,19 +1406,24 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 	if (success)
 	{
 		gDeferredAvatarAlphaProgram.mName = "Avatar Alpha Shader";
+		gDeferredAvatarAlphaProgram.mFeatures.atmosphericHelpers = true;
 		gDeferredAvatarAlphaProgram.mFeatures.hasSkinning = true;
-		gDeferredAvatarAlphaProgram.mFeatures.calculatesLighting = true;
+		gDeferredAvatarAlphaProgram.mFeatures.calculatesLighting = false;
 		gDeferredAvatarAlphaProgram.mFeatures.calculatesAtmospherics = true;
 		gDeferredAvatarAlphaProgram.mFeatures.hasGamma = true;
 		gDeferredAvatarAlphaProgram.mFeatures.hasAtmospherics = true;
-		gDeferredAvatarAlphaProgram.mFeatures.hasLighting = true;
+		gDeferredAvatarAlphaProgram.mFeatures.hasLighting = false;
 		gDeferredAvatarAlphaProgram.mFeatures.isAlphaLighting = true;
 		gDeferredAvatarAlphaProgram.mFeatures.disableTextureIndex = true;
 		gDeferredAvatarAlphaProgram.mShaderFiles.clear();
 		gDeferredAvatarAlphaProgram.mShaderFiles.push_back(make_pair("deferred/avatarAlphaV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredAvatarAlphaProgram.mShaderFiles.push_back(make_pair("deferred/alphaNonIndexedNoColorF.glsl", GL_FRAGMENT_SHADER_ARB));
 		gDeferredAvatarAlphaProgram.mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
+
 		success = gDeferredAvatarAlphaProgram.createShader(NULL, &mAvatarUniforms);
+
+		gDeferredAvatarAlphaProgram.mFeatures.calculatesLighting = true;
+		gDeferredAvatarAlphaProgram.mFeatures.hasLighting = true;
 	}
 
 	if (success)
diff --git a/indra/newview/llviewerwindow.cpp b/indra/newview/llviewerwindow.cpp
index e0653fec30..e0653fec30 100644..100755
--- a/indra/newview/llviewerwindow.cpp
+++ b/indra/newview/llviewerwindow.cpp
diff --git a/indra/newview/llvosky.cpp b/indra/newview/llvosky.cpp
index e9db37821b..312034022e 100644
--- a/indra/newview/llvosky.cpp
+++ b/indra/newview/llvosky.cpp
@@ -342,7 +342,7 @@ LLVOSky::LLVOSky(const LLUUID &id, const LLPCode pcode, LLViewerRegion *regionp)
 	blue_density = LLColor3();
 	blue_horizon = LLColor3();
 	haze_density = 0.f;
-	haze_horizon = LLColor3();
+	haze_horizon = 1.f;
 	density_multiplier = 0.f;
 	max_y = 0.f;
 	glow = LLColor3();
@@ -651,17 +651,17 @@ void LLVOSky::initAtmospherics(void)
 	sunlight_color = LLColor3(LLWLParamManager::getInstance()->mCurParams.getVector("sunlight_color", error));
 	ambient = LLColor3(LLWLParamManager::getInstance()->mCurParams.getVector("ambient", error));
 	//lightnorm = LLWLParamManager::getInstance()->mCurParams.getVector("lightnorm", error);
-	gamma = LLWLParamManager::getInstance()->mCurParams.getVector("gamma", error)[0];
+	gamma = LLWLParamManager::getInstance()->mCurParams.getFloat("gamma", error);
 	blue_density = LLColor3(LLWLParamManager::getInstance()->mCurParams.getVector("blue_density", error));
 	blue_horizon = LLColor3(LLWLParamManager::getInstance()->mCurParams.getVector("blue_horizon", error));
-	haze_density = LLWLParamManager::getInstance()->mCurParams.getVector("haze_density", error)[0];
-	haze_horizon = LLColor3(LLWLParamManager::getInstance()->mCurParams.getVector("haze_horizon", error));
-	density_multiplier = LLWLParamManager::getInstance()->mCurParams.getVector("density_multiplier", error)[0];
-	max_y = LLWLParamManager::getInstance()->mCurParams.getVector("max_y", error)[0];
+	haze_density = LLWLParamManager::getInstance()->mCurParams.getFloat("haze_density", error);
+	haze_horizon = LLWLParamManager::getInstance()->mCurParams.getFloat("haze_horizon", error);
+	density_multiplier = LLWLParamManager::getInstance()->mCurParams.getFloat("density_multiplier", error);
+	max_y = LLWLParamManager::getInstance()->mCurParams.getFloat("max_y", error);
 	glow = LLColor3(LLWLParamManager::getInstance()->mCurParams.getVector("glow", error));
-	cloud_shadow = LLWLParamManager::getInstance()->mCurParams.getVector("cloud_shadow", error)[0];
+	cloud_shadow = LLWLParamManager::getInstance()->mCurParams.getFloat("cloud_shadow", error);
 	cloud_color = LLColor3(LLWLParamManager::getInstance()->mCurParams.getVector("cloud_color", error));
-	cloud_scale = LLWLParamManager::getInstance()->mCurParams.getVector("cloud_scale", error)[0];
+	cloud_scale = LLWLParamManager::getInstance()->mCurParams.getFloat("cloud_scale", error);
 	cloud_pos_density1 = LLColor3(LLWLParamManager::getInstance()->mCurParams.getVector("cloud_pos_density1", error));
 	cloud_pos_density2 = LLColor3(LLWLParamManager::getInstance()->mCurParams.getVector("cloud_pos_density2", error));
 
@@ -825,7 +825,7 @@ void LLVOSky::calcSkyColorWLVert(LLVector3 & Pn, LLColor3 & vary_HazeColor, LLCo
 
 	// Haze color above cloud
 	vary_HazeColor = (blue_horizon * blue_weight * (sunlight + ambient)
-				+ componentMult(haze_horizon.mV[0] * haze_weight, sunlight * temp2.mV[0] + ambient)
+				+ componentMult(haze_horizon * haze_weight, sunlight * temp2.mV[0] + ambient)
 			 );	
 
 	// Increase ambient when there are more clouds
@@ -836,7 +836,7 @@ void LLVOSky::calcSkyColorWLVert(LLVector3 & Pn, LLColor3 & vary_HazeColor, LLCo
 
 	// Haze color below cloud
 	LLColor3 additiveColorBelowCloud = (blue_horizon * blue_weight * (sunlight + tmpAmbient)
-				+ componentMult(haze_horizon.mV[0] * haze_weight, sunlight * temp2.mV[0] + tmpAmbient)
+				+ componentMult(haze_horizon * haze_weight, sunlight * temp2.mV[0] + tmpAmbient)
 			 );	
 
 	// Final atmosphere additive
@@ -1002,7 +1002,7 @@ void LLVOSky::calcAtmospherics(void)
 		//haze color
 		vary_HazeColor =
 			(blue_horizon * blue_weight * (sunlight*(1.f - cloud_shadow) + tmpAmbient)	
-			+ componentMult(haze_horizon.mV[0] * haze_weight, sunlight*(1.f - cloud_shadow) * temp2.mV[0] + tmpAmbient)
+			+ componentMult(haze_horizon * haze_weight, sunlight*(1.f - cloud_shadow) * temp2.mV[0] + tmpAmbient)
 				 );	
 
 		//brightness of surface both sunlight and ambient
diff --git a/indra/newview/llvosky.h b/indra/newview/llvosky.h
index d3a42583ea..6e6898d80a 100644
--- a/indra/newview/llvosky.h
+++ b/indra/newview/llvosky.h
@@ -410,7 +410,7 @@ public:
 	LLColor3 blue_density;
 	LLColor3 blue_horizon;
 	F32 haze_density;
-	LLColor3 haze_horizon;
+	F32 haze_horizon;
 	F32 density_multiplier;
 	F32 max_y;
 	LLColor3 glow;
diff --git a/indra/newview/llvovolume.cpp b/indra/newview/llvovolume.cpp
index 03d4c51aff..438d578ac5 100644
--- a/indra/newview/llvovolume.cpp
+++ b/indra/newview/llvovolume.cpp
@@ -4939,6 +4939,11 @@ void LLVolumeGeometryManager::genDrawInfo(LLSpatialGroup* group, U32 mask, std::
 				fullbright = TRUE;
 			}
 
+			if (hud_group)
+			{ //all hud attachments are fullbright
+				fullbright = TRUE;
+			}
+
 			const LLTextureEntry* te = facep->getTextureEntry();
 			tex = facep->getTexture();
 
@@ -4968,7 +4973,6 @@ void LLVolumeGeometryManager::genDrawInfo(LLSpatialGroup* group, U32 mask, std::
 				}
 			}
 			else if (gPipeline.canUseVertexShaders()
-				&& group->mSpatialPartition->mPartitionType != LLViewerRegion::PARTITION_HUD 
 				&& LLPipeline::sRenderBump 
 				&& te->getShiny())
 			{ //shiny
@@ -5033,9 +5037,12 @@ void LLVolumeGeometryManager::genDrawInfo(LLSpatialGroup* group, U32 mask, std::
 					}
 				}
 				
-				//not sure why this is here -- shiny HUD attachments maybe?  -- davep 5/11/2010
-				if (!is_alpha && te->getShiny() && LLPipeline::sRenderBump)
-				{
+				
+				if (!gPipeline.canUseVertexShaders() && 
+					!is_alpha && 
+					te->getShiny() && 
+					LLPipeline::sRenderBump)
+				{ //shiny as an extra pass when shaders are disabled
 					registerFace(group, facep, LLRenderPass::PASS_SHINY);
 				}
 			}
diff --git a/indra/newview/llwaterparammanager.cpp b/indra/newview/llwaterparammanager.cpp
index 20b34637b8..e386112334 100644
--- a/indra/newview/llwaterparammanager.cpp
+++ b/indra/newview/llwaterparammanager.cpp
@@ -194,7 +194,7 @@ void LLWaterParamManager::updateShaderUniforms(LLGLSLShader * shader)
 		shader->uniform4fv("waterPlane", 1, mWaterPlane.mV);
 		shader->uniform1f("waterFogDensity", getFogDensity());
 		shader->uniform1f("waterFogKS", mWaterFogKS);
-		shader->uniform4f("distance_multiplier", 0, 0, 0, 0);
+		shader->uniform1f("distance_multiplier", 0);
 	}
 }
 
diff --git a/indra/newview/llwlparammanager.cpp b/indra/newview/llwlparammanager.cpp
index 55608a059f..49d9d44d74 100644
--- a/indra/newview/llwlparammanager.cpp
+++ b/indra/newview/llwlparammanager.cpp
@@ -64,7 +64,6 @@
 LLWLParamManager::LLWLParamManager() :
 
 	//set the defaults for the controls
-	// index is from sWLUniforms in pipeline.cpp line 979
 
 	/// Sun Delta Terrain tweak variables.
 	mSunDeltaYaw(180.0f),
@@ -72,10 +71,10 @@ LLWLParamManager::LLWLParamManager() :
 	mWLGamma(1.0f, "gamma"),
 
 	mBlueHorizon(0.25f, 0.25f, 1.0f, 1.0f, "blue_horizon", "WLBlueHorizon"),
-	mHazeDensity(1.0f, 1.0f, 1.0f, 0.5f, "haze_density"),
+	mHazeDensity(1.0f, "haze_density"),
 	mBlueDensity(0.25f, 0.25f, 0.25f, 1.0f, "blue_density", "WLBlueDensity"),
 	mDensityMult(1.0f, "density_multiplier", 1000),
-	mHazeHorizon(1.0f, 1.0f, 1.0f, 0.5f, "haze_horizon"),
+	mHazeHorizon(1.0f, "haze_horizon"),
 	mMaxAlt(4000.0f, "max_y"),
 
 	// Lighting
diff --git a/indra/newview/llwlparammanager.h b/indra/newview/llwlparammanager.h
index bc984b9126..72422500fc 100644
--- a/indra/newview/llwlparammanager.h
+++ b/indra/newview/llwlparammanager.h
@@ -102,9 +102,8 @@ struct WLFloatControl {
 	{
 	}
 
-	inline WLFloatControl & operator = (LLVector4 const & val) {
-		x = val.mV[0];
-
+	inline WLFloatControl & operator = (F32 val) {
+		x = val;
 		return *this;
 	}
 
@@ -340,10 +339,10 @@ public:
 	
 	/// Atmospherics
 	WLColorControl mBlueHorizon;
-	WLColorControl mHazeDensity;
+	WLFloatControl mHazeDensity;
 	WLColorControl mBlueDensity;
 	WLFloatControl mDensityMult;
-	WLColorControl mHazeHorizon;
+	WLFloatControl mHazeHorizon;
 	WLFloatControl mMaxAlt;
 
 	/// Lighting
diff --git a/indra/newview/llwlparamset.cpp b/indra/newview/llwlparamset.cpp
index 5bb7025031..b04d30db55 100644
--- a/indra/newview/llwlparamset.cpp
+++ b/indra/newview/llwlparamset.cpp
@@ -41,33 +41,7 @@
 LLWLParamSet::LLWLParamSet(void) :
 	mName("Unnamed Preset"),
 	mCloudScrollXOffset(0.f), mCloudScrollYOffset(0.f)	
-{
-/* REMOVE or init the LLSD
-	const std::map<std::string, LLVector4>::value_type hardcodedPreset[] = {
-		std::make_pair("lightnorm",				LLVector4(0.f, 0.707f, -0.707f, 0.f)),
-		std::make_pair("sunlight_color",		LLVector4(0.6f, 0.6f, 2.83f, 2.27f)),
-		std::make_pair("ambient",				LLVector4(0.27f, 0.33f, 0.44f, 1.19f)),
-		std::make_pair("blue_horizon",			LLVector4(0.3f, 0.4f, 0.9f, 1.f)),
-		std::make_pair("blue_density",			LLVector4(0.3f, 0.4f, 0.8f, 1.f)),
-		std::make_pair("haze_horizon",			LLVector4(0.6f, 0.6f, 0.6f, 1.f)),
-		std::make_pair("haze_density",			LLVector4(0.3f, 0.3f, 0.3f, 1.f)),
-		std::make_pair("cloud_shadow",			LLVector4(0.f, 0.f, 0.f, 0.f)),
-		std::make_pair("density_multiplier",	LLVector4(0.001f, 0.001f, 0.001f, 0.001f)),
-		std::make_pair("distance_multiplier",	LLVector4(1.f, 1.f, 1.f, 1.f)),
-		std::make_pair("max_y",					LLVector4(600.f, 600.f, 600.f, 0.f)),
-		std::make_pair("glow",					LLVector4(15.f, 0.001f, -0.03125f, 0.f)),
-		std::make_pair("cloud_color",			LLVector4(0.0f, 0.0f, 0.0f, 0.0f)),
-		std::make_pair("cloud_pos_density1",	LLVector4(0.f, 0.f, 0.f, 1.f)),
-		std::make_pair("cloud_pos_density2",	LLVector4(0.f, 0.f, 0.f, 1.f)),
-		std::make_pair("cloud_scale",			LLVector4(0.42f, 0.f, 0.f, 1.f)),
-		std::make_pair("gamma",					LLVector4(2.0f, 2.0f, 2.0f, 0.0f)),
-	};
-	std::map<std::string, LLVector4>::value_type const * endHardcodedPreset = 
-		hardcodedPreset + LL_ARRAY_SIZE(hardcodedPreset);
-
-	mParamValues.insert(hardcodedPreset, endHardcodedPreset);
-*/
-}
+{}
 
 static LLFastTimer::DeclareTimer FTM_WL_PARAM_UPDATE("WL Param Update");
 
@@ -79,55 +53,78 @@ void LLWLParamSet::update(LLGLSLShader * shader) const
 		i != mParamValues.endMap();
 		++i)
 	{
-		
-
 		const std::string& param = i->first;
 		
-		if(	param == "star_brightness" || param == "preset_num" || param == "sun_angle" ||
+		if (param == "star_brightness" || param == "preset_num" || param == "sun_angle" ||
 			param == "east_angle" || param == "enable_cloud_scroll" ||
 			param == "cloud_scroll_rate" || param == "lightnorm" ) 
 		{
 			continue;
 		}
 		
-		if(param == "cloud_pos_density1") 
+		if (param == "cloud_pos_density1")
 		{
 			LLVector4 val;
 			val.mV[0] = F32(i->second[0].asReal()) + mCloudScrollXOffset;
 			val.mV[1] = F32(i->second[1].asReal()) + mCloudScrollYOffset;
 			val.mV[2] = (F32) i->second[2].asReal();
 			val.mV[3] = (F32) i->second[3].asReal();
+
 			stop_glerror();
 			shader->uniform4fv(param, 1, val.mV);
 			stop_glerror();
-		} 
+		}
+		else if (param == "cloud_scale" || param == "cloud_shadow" ||
+				 param == "density_multiplier" || param == "distance_multiplier" ||
+				 param == "haze_density" || param == "haze_horizon" ||
+				 param == "max_y" )
+		{
+			F32 val = (F32) i->second[0].asReal();
+
+			stop_glerror();
+			shader->uniform1f(param, val);
+			stop_glerror();
+		}
 		else // param is the uniform name
 		{
-			LLVector4 val;
-			
 			// handle all the different cases
-			if(i->second.isArray() && i->second.size() == 4) 
+			if (i->second.isArray() && i->second.size() == 4)
 			{
+				LLVector4 val;
+
 				val.mV[0] = (F32) i->second[0].asReal();
 				val.mV[1] = (F32) i->second[1].asReal();
 				val.mV[2] = (F32) i->second[2].asReal();
 				val.mV[3] = (F32) i->second[3].asReal();															
+
+				stop_glerror();
+				shader->uniform4fv(param, 1, val.mV);
+				stop_glerror();
 			} 
-			else if(i->second.isReal()) 
+			else if (i->second.isReal())
 			{
-				val.mV[0] = (F32) i->second.asReal();
+				F32 val = (F32) i->second.asReal();
+
+				stop_glerror();
+				shader->uniform1f(param, val);
+				stop_glerror();
 			} 
-			else if(i->second.isInteger()) 
+			else if (i->second.isInteger())
 			{
-				val.mV[0] = (F32) i->second.asReal();
+				S32 val = (S32) i->second.asInteger();
+
+				stop_glerror();
+				shader->uniform1i(param, val);
+				stop_glerror();
 			} 
-			else if(i->second.isBoolean())
+			else if (i->second.isBoolean())
 			{
-				val.mV[0] = i->second.asBoolean();
+				S32 val = (i->second.asBoolean() ? 1 : 0);
+
+				stop_glerror();
+				shader->uniform1i(param, val);
+				stop_glerror();
 			}
-			stop_glerror();
-			shader->uniform4fv(param, 1, val.mV);
-			stop_glerror();
 		}
 	}
 }
@@ -148,7 +145,8 @@ void LLWLParamSet::set(const std::string& paramName, float x)
 	}
 }
 
-void LLWLParamSet::set(const std::string& paramName, float x, float y) {
+void LLWLParamSet::set(const std::string& paramName, float x, float y)
+{
 	mParamValues[paramName][0] = x;
 	mParamValues[paramName][1] = y;
 }
@@ -194,7 +192,6 @@ void LLWLParamSet::set(const std::string& paramName, const LLColor4 & val)
 
 LLVector4 LLWLParamSet::getVector(const std::string& paramName, bool& error) 
 {
-	
 	// test to see if right type
 	LLSD cur_val = mParamValues.get(paramName);
 	if (!cur_val.isArray()) 
@@ -215,7 +212,6 @@ LLVector4 LLWLParamSet::getVector(const std::string& paramName, bool& error)
 
 F32 LLWLParamSet::getFloat(const std::string& paramName, bool& error) 
 {
-	
 	// test to see if right type
 	LLSD cur_val = mParamValues.get(paramName);
 	if (cur_val.isArray() && cur_val.size() != 0) 
@@ -234,8 +230,6 @@ F32 LLWLParamSet::getFloat(const std::string& paramName, bool& error)
 	return 0;
 }
 
-
-
 void LLWLParamSet::setSunAngle(float val) 
 {
 	// keep range 0 - 2pi
@@ -263,7 +257,6 @@ void LLWLParamSet::setEastAngle(float val)
 	mParamValues["east_angle"] = val;
 }
 
-
 void LLWLParamSet::mix(LLWLParamSet& src, LLWLParamSet& dest, F32 weight)
 {
 	// set up the iterators
@@ -282,7 +275,6 @@ void LLWLParamSet::mix(LLWLParamSet& src, LLWLParamSet& dest, F32 weight)
 	// Iterate through values
 	for(LLSD::map_iterator iter = mParamValues.beginMap(); iter != mParamValues.endMap(); ++iter)
 	{
-
 		// If param exists in both src and dest, set the holder variables, otherwise skip
 		if(src.mParamValues.has(iter->first) && dest.mParamValues.has(iter->first))
 		{
diff --git a/indra/newview/llwlparamset.h b/indra/newview/llwlparamset.h
index 3c44ed3bb8..b087119dd5 100644
--- a/indra/newview/llwlparamset.h
+++ b/indra/newview/llwlparamset.h
@@ -110,7 +110,7 @@ public:
 	/// \param error		A flag to set if it's not the proper return type
 	LLVector4 getVector(const std::string& paramName, bool& error);
 
-	/// Get an integer parameter
+	/// Get a float parameter
 	/// \param paramName	The name of the parameter to set.
 	/// \param error		A flag to set if it's not the proper return type	
 	F32 getFloat(const std::string& paramName, bool& error);
diff --git a/indra/newview/pipeline.cpp b/indra/newview/pipeline.cpp
index c523a78b22..a64655960f 100644
--- a/indra/newview/pipeline.cpp
+++ b/indra/newview/pipeline.cpp
@@ -203,10 +203,6 @@ extern S32 gBoxFrame;
 extern BOOL gDisplaySwapBuffers;
 extern BOOL gDebugGL;
 
-// hack counter for rendering a fixed number of frames after toggling
-// fullscreen to work around DEV-5361
-static S32 sDelayedVBOEnable = 0;
-
 BOOL	gAvatarBacklight = FALSE;
 
 BOOL	gDebugPipeline = FALSE;
@@ -411,6 +407,7 @@ LLPipeline::LLPipeline() :
 	mOldRenderDebugMask(0),
 	mGroupQ1Locked(false),
 	mGroupQ2Locked(false),
+	mResetVertexBuffers(false),
 	mLastRebuildPool(NULL),
 	mAlphaPool(NULL),
 	mSkyPool(NULL),
@@ -692,8 +689,6 @@ void LLPipeline::destroyGL()
 
 	if (LLVertexBuffer::sEnableVBOs)
 	{
-		// render 30 frames after switching to work around DEV-5361
-		sDelayedVBOEnable = 30;
 		LLVertexBuffer::sEnableVBOs = FALSE;
 	}
 }
@@ -2523,15 +2518,6 @@ void LLPipeline::updateGeom(F32 max_dtime)
 
 	assertInitialized();
 
-	if (sDelayedVBOEnable > 0)
-	{
-		if (--sDelayedVBOEnable <= 0)
-		{
-			resetVertexBuffers();
-			LLVertexBuffer::sEnableVBOs = TRUE;
-		}
-	}
-
 	// notify various object types to reset internal cost metrics, etc.
 	// for now, only LLVOVolume does this to throttle LOD changes
 	LLVOVolume::preUpdateGeom();
@@ -6185,7 +6171,7 @@ LLSpatialPartition* LLPipeline::getSpatialPartition(LLViewerObject* vobj)
 
 void LLPipeline::resetVertexBuffers(LLDrawable* drawable)
 {
-	if (!drawable || drawable->isDead())
+	if (!drawable)
 	{
 		return;
 	}
@@ -6198,7 +6184,19 @@ void LLPipeline::resetVertexBuffers(LLDrawable* drawable)
 }
 
 void LLPipeline::resetVertexBuffers()
-{	
+{
+	mResetVertexBuffers = true;
+}
+
+void LLPipeline::doResetVertexBuffers()
+{
+	if (!mResetVertexBuffers)
+	{
+		return;
+	}
+	
+	mResetVertexBuffers = false;
+
 	for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin(); 
 			iter != LLWorld::getInstance()->getRegionList().end(); ++iter)
 	{
@@ -6224,11 +6222,9 @@ void LLPipeline::resetVertexBuffers()
 
 	if (LLVertexBuffer::sGLCount > 0)
 	{
-		llwarns << "VBO wipe failed." << llendl;
+		llwarns << "VBO wipe failed -- " << LLVertexBuffer::sGLCount << " buffers remaining." << llendl;
 	}
 
-	llassert(LLVertexBuffer::sGLCount == 0);
-
 	LLVertexBuffer::unbind();	
 	
 	sRenderBump = gSavedSettings.getBOOL("RenderObjectBump");
diff --git a/indra/newview/pipeline.h b/indra/newview/pipeline.h
index 9c78048c46..3c4e389ce0 100644
--- a/indra/newview/pipeline.h
+++ b/indra/newview/pipeline.h
@@ -111,6 +111,7 @@ public:
 	void destroyGL();
 	void restoreGL();
 	void resetVertexBuffers();
+	void doResetVertexBuffers();
 	void resizeScreenTexture();
 	void releaseGLBuffers();
 	void releaseScreenBuffers();
@@ -653,6 +654,8 @@ protected:
 	bool mGroupQ2Locked;
 	bool mGroupQ1Locked;
 
+	bool mResetVertexBuffers; //if true, clear vertex buffers on next update
+
 	LLViewerObject::vobj_list_t		mCreateQ;
 		
 	LLDrawable::drawable_set_t		mRetexturedList;
diff --git a/indra/newview/skins/default/textures/checker.png b/indra/newview/skins/default/textures/checker.png
new file mode 100644
index 0000000000..1ab87e3f02
--- /dev/null
+++ b/indra/newview/skins/default/textures/checker.png
diff --git a/indra/newview/skins/default/textures/textures.xml b/indra/newview/skins/default/textures/textures.xml
index e4a8622a4b..eabcc68916 100644
--- a/indra/newview/skins/default/textures/textures.xml
+++ b/indra/newview/skins/default/textures/textures.xml
@@ -122,6 +122,8 @@ with the same filename but different name
   <texture name="Checkbox_Press" file_name="widgets/Checkbox_Press.png" preload="true" />
   <texture name="Check_Mark" file_name="icons/check_mark.png" preload="true" />
 
+  <texture name="Checker" file_name="checker.png" preload="false" />
+  
   <texture name="Command_AboutLand_Icon"    file_name="toolbar_icons/land.png"         preload="true" />
   <texture name="Command_Appearance_Icon"   file_name="toolbar_icons/appearance.png"   preload="true" />
   <texture name="Command_Avatar_Icon"       file_name="toolbar_icons/avatars.png"      preload="true" />