Pull from vir/drano

4 files changed, 33 insertions, 15 deletions

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