Merge branch 'master' into DRTVWR-507-maint

1 files changed, 41 insertions, 36 deletions

diff --git a/indra/newview/app_settings/shaders/class1/environment/waterFogF.glsl b/indra/newview/app_settings/shaders/class1/environment/waterFogF.glsl
index 4bdfce9260..df640cba05 100644
--- a/indra/newview/app_settings/shaders/class1/environment/waterFogF.glsl
+++ b/indra/newview/app_settings/shaders/class1/environment/waterFogF.glsl
@@ -1,5 +1,5 @@
 /**
- * @file waterFogF.glsl
+ * @file class1\environment\waterFogF.glsl
  *
  * $LicenseInfo:firstyear=2007&license=viewerlgpl$
  * Second Life Viewer Source Code
@@ -25,7 +25,6 @@
  
 
 
-uniform vec4 lightnorm;
 uniform vec4 waterPlane;
 uniform vec4 waterFogColor;
 uniform float waterFogDensity;
@@ -33,42 +32,48 @@ uniform float waterFogKS;
 
 vec3 getPositionEye();
 
-vec4 applyWaterFog(vec4 color)
+vec4 applyWaterFogView(vec3 pos, vec4 color)
 {
-	//normalize view vector
-	vec3 view = normalize(getPositionEye());
-	float es = -(dot(view, waterPlane.xyz));
+    vec3 view = normalize(pos);
+    //normalize view vector
+    float es = -(dot(view, waterPlane.xyz));
+
+    //find intersection point with water plane and eye vector
+    
+    //get eye depth
+    float e0 = max(-waterPlane.w, 0.0);
+    
+    vec3 int_v = waterPlane.w > 0.0 ? view * waterPlane.w/es : vec3(0.0, 0.0, 0.0);
+    
+    //get object depth
+    float depth = length(pos - int_v);
+        
+    //get "thickness" of water
+    float l = max(depth, 0.1);
+
+    float kd = waterFogDensity;
+    float ks = waterFogKS;
+    vec4 kc = waterFogColor;
+    
+    float F = 0.98;
+    
+    float t1 = -kd * pow(F, ks * e0);
+    float t2 = kd + ks * es;
+    float t3 = pow(F, t2*l) - 1.0;
+    
+    float L = min(t1/t2*t3, 1.0);
+    
+    float D = pow(0.98, l*kd);
+    
+    color.rgb = color.rgb * D + kc.rgb * L;
+    color.a = kc.a + color.a;
 
-	//find intersection point with water plane and eye vector
-	
-	//get eye depth
-	float e0 = max(-waterPlane.w, 0.0);
-	
-	vec3 int_v = waterPlane.w > 0.0 ? view * waterPlane.w/es : vec3(0.0, 0.0, 0.0);
-	
-	//get object depth
-	float depth = length(getPositionEye() - int_v);
-		
-	//get "thickness" of water
-	float l = max(depth, 0.1);
+    return color;
+}
 
-	float kd = waterFogDensity;
-	float ks = waterFogKS;
-	vec4 kc = waterFogColor;
-	
-	float F = 0.98;
-	
-	float t1 = -kd * pow(F, ks * e0);
-	float t2 = kd + ks * es;
-	float t3 = pow(F, t2*l) - 1.0;
-	
-	float L = min(t1/t2*t3, 1.0);
-	
-	float D = pow(0.98, l*kd);
-	
-	color.rgb = color.rgb * D + kc.rgb * L;
-	color.a = kc.a + color.a;
-	
-	return color;
+vec4 applyWaterFog(vec4 color)
+{
+    //normalize view vector
+    return applyWaterFogView(getPositionEye(), color);
 }