Merge vwr-dev-mat again

indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl

@@ -85,6 +85,7 @@ vec3 calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float
 		//distance attenuation
 		float dist2 = d/la;
 		da = clamp(1.0-(dist2-1.0*(1.0-fa))/fa, 0.0, 1.0);
+		da = pow(da, 2.2) * 2.2;
 
 		// spotlight coefficient.
 		float spot = max(dot(-ln, lv), is_pointlight);

indra/newview/app_settings/shaders/class1/deferred/spotLightF.glsl

@@ -220,7 +220,6 @@ void main()
 			col = dlit*lit*diff_tex;
 			//amb_da += (da*0.5)*(1.0-shadow)*proj_ambiance;
 		}
-
 		//float diff = clamp((proj_range-proj_focus)/proj_range, 0.0, 1.0);
 		vec4 amb_plcol = texture2DLodAmbient(projectionMap, proj_tc.xy, proj_lod);
 							

indra/newview/app_settings/shaders/class2/deferred/alphaF.glsl

@@ -91,6 +91,7 @@ vec3 calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float
 		//distance attenuation
 		float dist2 = d/la;
 		da = clamp(1.0-(dist2-1.0*(1.0-fa))/fa, 0.0, 1.0);
+		da = pow(da, 2.2) * 2.2;
 
 		// spotlight coefficient.
 		float spot = max(dot(-ln, lv), is_pointlight);