SL-10044 SL-10045

Fix class 1 and 2 transport/gamma funcs and made usage consistent across all shaders.

Fix class1\environment\waterV reverting to old d1/d2 names for wave directions.

18 files changed, 80 insertions, 50 deletions

diff --git a/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl b/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl
index 3ec2ea12da..f79fc012d1 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl
@@ -88,7 +88,7 @@ vec3 linear_to_srgb(vec3 cl);
 vec2 encode_normal (vec3 n);
 vec3 decode_normal (vec2 enc);
 
-vec3 scaleSoftClipFrag(vec3 l);
+vec3 scaleSoftClip(vec3 l);
 vec3 atmosFragAmbient(vec3 light, vec3 sunlit);
 vec3 atmosFragLighting(vec3 light, vec3 additive, vec3 atten);
 vec3 atmosFragAffectDirectionalLight(float light, vec3 sunlit);
@@ -305,7 +305,7 @@ void main()
 	//color.rgb = mix(diff.rgb, color.rgb, final_alpha);
 	
 	color.rgb = atmosFragLighting(color.rgb, additive, atten);
-	color.rgb = scaleSoftClipFrag(color.rgb);
+	color.rgb = scaleSoftClip(color.rgb);
 
 	vec4 light = vec4(0,0,0,0);
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl
index 5627275df6..18259ed9ed 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl
@@ -70,8 +70,12 @@ vec3 linear_to_srgb(vec3 cl);
 vec3 decode_normal (vec2 enc);
 
 vec3 atmosFragLighting(vec3 l, vec3 additive, vec3 atten);
+vec3 fullbrightAtmosTransportFrag(vec3 l, vec3 additive, vec3 atten);
 void calcFragAtmospherics(vec3 inPositionEye, float ambFactor, out vec3 sunlit, out vec3 amblit, out vec3 additive, out vec3 atten);
 
+vec3 scaleSoftClip(vec3 l);
+vec3 fullbrightScaleSoftClip(vec3 l);
+
 vec4 getPosition_d(vec2 pos_screen, float depth)
 {
 	vec2 sc = pos_screen.xy*2.0;
@@ -129,8 +133,8 @@ void main()
 		ambient = (1.0 - ambient);
 
 		col = amblit;
-		col += (final_da * sunlit);
         col *= ambient;
+		col += (final_da * sunlit);        
 		col *= diffuse.rgb;
 	
 		vec3 refnormpersp = normalize(reflect(pos.xyz, norm.xyz));
@@ -141,7 +145,6 @@ void main()
 			//
 			
 			float sa = dot(refnormpersp, sun_dir.xyz);
-
 			vec3 dumbshiny = sunlit*(texture2D(lightFunc, vec2(sa, spec.a)).r);
 			
 			// add the two types of shiny together
@@ -166,17 +169,19 @@ void main()
 				
 		if (norm.w < 0.5)
 		{
-			col = atmosFragLighting(col, additive, atten);
+			col = mix(atmosFragLighting(col, additive, atten), fullbrightAtmosTransportFrag(col, additive, atten), diffuse.a);
+			col = mix(scaleSoftClip(col), fullbrightScaleSoftClip(col), diffuse.a);
 		}
 
 		#ifdef WATER_FOG
-			vec4 fogged = applyWaterFogView(pos,vec4(col, bloom));
+			vec4 fogged = applyWaterFogView(pos.xyz,vec4(col, bloom));
 			col = fogged.rgb;
 			bloom = fogged.a;
 		#endif
 
 		col = srgb_to_linear(col);
 
+		//col = vec3(1,0,1);
 		//col.g = envIntensity;
 	}
 
diff --git a/indra/newview/app_settings/shaders/class1/environment/waterV.glsl b/indra/newview/app_settings/shaders/class1/environment/waterV.glsl
index 352cea7aaa..1fe98a9575 100644
--- a/indra/newview/app_settings/shaders/class1/environment/waterV.glsl
+++ b/indra/newview/app_settings/shaders/class1/environment/waterV.glsl
@@ -31,8 +31,8 @@ ATTRIBUTE vec3 position;
 
 void calcAtmospherics(vec3 inPositionEye);
 
-uniform vec2 d1;
-uniform vec2 d2;
+uniform vec2 waveDir1;
+uniform vec2 waveDir2;
 uniform float time;
 uniform vec3 eyeVec;
 uniform float waterHeight;
@@ -86,10 +86,10 @@ void main()
 	
 	
 	//pass wave parameters to pixel shader
-	vec2 bigWave =  (v.xy) * vec2(0.04,0.04)  + d1 * time * 0.055;
+	vec2 bigWave =  (v.xy) * vec2(0.04,0.04)  + waveDir1 * time * 0.055;
 	//get two normal map (detail map) texture coordinates
-	littleWave.xy = (v.xy) * vec2(0.45, 0.9)   + d2 * time * 0.13;
-	littleWave.zw = (v.xy) * vec2(0.1, 0.2) + d1 * time * 0.1;
+	littleWave.xy = (v.xy) * vec2(0.45, 0.9)   + waveDir2 * time * 0.13;
+	littleWave.zw = (v.xy) * vec2(0.1, 0.2) + waveDir1 * time * 0.1;
 	view.w = bigWave.y;
 	refCoord.w = bigWave.x;
 	
diff --git a/indra/newview/app_settings/shaders/class1/lighting/sumLightsSpecularV.glsl b/indra/newview/app_settings/shaders/class1/lighting/sumLightsSpecularV.glsl
index 10958025ac..7059ff31ae 100644
--- a/indra/newview/app_settings/shaders/class1/lighting/sumLightsSpecularV.glsl
+++ b/indra/newview/app_settings/shaders/class1/lighting/sumLightsSpecularV.glsl
@@ -29,6 +29,7 @@ float calcDirectionalLightSpecular(inout vec4 specular, vec3 view, vec3 n, vec3
 vec3 atmosAmbient(vec3 light);
 vec3 atmosAffectDirectionalLight(float lightIntensity);
 vec3 atmosGetDiffuseSunlightColor();
+vec3 scaleDownLight(vec3 light);
 
 uniform vec4 light_position[8];
 uniform vec3 light_diffuse[8];
@@ -43,6 +44,7 @@ vec4 sumLightsSpecular(vec3 pos, vec3 norm, vec4 color, inout vec4 specularColor
 	vec4 specularSum = vec4(0.0);
 
 	col.rgb += light_diffuse[1].rgb * calcDirectionalLightSpecular(specularColor, view, norm, light_position[1].xyz,light_diffuse[1].rgb, 1.0);
+	col.rgb = scaleDownLight(col.rgb);
 	col.rgb += atmosAmbient(baseCol.rgb);
 	col.rgb += atmosAffectDirectionalLight(calcDirectionalLightSpecular(specularSum, view, norm, light_position[0].xyz,atmosGetDiffuseSunlightColor()*baseCol.a, 1.0));
 
diff --git a/indra/newview/app_settings/shaders/class1/lighting/sumLightsV.glsl b/indra/newview/app_settings/shaders/class1/lighting/sumLightsV.glsl
index 569b629ef8..41288c21c1 100644
--- a/indra/newview/app_settings/shaders/class1/lighting/sumLightsV.glsl
+++ b/indra/newview/app_settings/shaders/class1/lighting/sumLightsV.glsl
@@ -30,6 +30,7 @@ float calcDirectionalLight(vec3 n, vec3 l);
 
 vec3 atmosAmbient(vec3 light);
 vec3 atmosAffectDirectionalLight(float lightIntensity);
+vec3 scaleDownLight(vec3 light);
 
 vec4 sumLights(vec3 pos, vec3 norm, vec4 color, vec4 baseLight)
 {
@@ -37,6 +38,7 @@ vec4 sumLights(vec3 pos, vec3 norm, vec4 color, vec4 baseLight)
 	col.a = color.a;
 	
 	col.rgb = light_diffuse[1].rgb * calcDirectionalLight(norm, light_position[1].xyz);
+	col.rgb = scaleDownLight(col.rgb);
 	col.rgb += atmosAmbient(baseLight.rgb);
 	col.rgb += atmosAffectDirectionalLight(calcDirectionalLight(norm, light_position[0].xyz));
 	
diff --git a/indra/newview/app_settings/shaders/class1/windlight/atmosphericsHelpersF.glsl b/indra/newview/app_settings/shaders/class1/windlight/atmosphericsHelpersF.glsl
index 9e5893d32a..c16e3d50a2 100644
--- a/indra/newview/app_settings/shaders/class1/windlight/atmosphericsHelpersF.glsl
+++ b/indra/newview/app_settings/shaders/class1/windlight/atmosphericsHelpersF.glsl
@@ -41,3 +41,9 @@ vec3 atmosGetDiffuseSunlightColor()
 	return sunlight_color.rgb;
 }
 
+vec3 scaleDownLight(vec3 light)
+{
+	/* stub function for fallback compatibility on class1 hardware */
+	return light;
+}
+
diff --git a/indra/newview/app_settings/shaders/class1/windlight/atmosphericsHelpersV.glsl b/indra/newview/app_settings/shaders/class1/windlight/atmosphericsHelpersV.glsl
index 01f19087ff..89b6a52909 100644
--- a/indra/newview/app_settings/shaders/class1/windlight/atmosphericsHelpersV.glsl
+++ b/indra/newview/app_settings/shaders/class1/windlight/atmosphericsHelpersV.glsl
@@ -41,3 +41,15 @@ vec3 atmosGetDiffuseSunlightColor()
 	return sunlight_color.rgb;
 }
 
+vec3 scaleDownLight(vec3 light)
+{
+	/* stub function for fallback compatibility on class1 hardware */
+	return light;
+}
+
+vec3 scaleUpLight(vec3 light)
+{
+	/* stub function for fallback compatibility on class1 hardware */
+	return light;
+}
+
diff --git a/indra/newview/app_settings/shaders/class1/windlight/gammaF.glsl b/indra/newview/app_settings/shaders/class1/windlight/gammaF.glsl
index 768d93f005..667301443a 100644
--- a/indra/newview/app_settings/shaders/class1/windlight/gammaF.glsl
+++ b/indra/newview/app_settings/shaders/class1/windlight/gammaF.glsl
@@ -39,7 +39,7 @@ vec3 scaleSoftClip(vec3 light)
 	return light;
 }
 
-vec3 fullbrightScaleSoftClipFrag(vec3 light)
+vec3 fullbrightScaleSoftClipFrag(vec3 light, vec3 additive, vec3 atten)
 {
 	// For compatibility with lower cards. Do nothing
 	return light;
diff --git a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
index c92dbda185..308a85d2d9 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
@@ -49,6 +49,7 @@ uniform vec4 morphFactor;
 uniform vec3 camPosLocal;
 //uniform vec4 camPosWorld;
 uniform vec4 gamma;
+uniform vec4 lightnorm;
 uniform vec4 sunlight_color;
 uniform vec4 ambient;
 uniform vec4 blue_horizon;
@@ -83,32 +84,9 @@ vec3 atmosFragLighting(vec3 l, vec3 additive, vec3 atten);
 vec3 fullbrightScaleSoftClipFrag(vec3 l);
 vec3 scaleSoftClipFrag(vec3 l);
 
-vec3 atmosTransportFrag(vec3 light, vec3 additive, vec3 atten)
-{
-    if (no_atmo == 1)
-    {
-        return light;
-    }
-	return (light + additive) * atten.r * 2.0;
-}
-
-vec3 fullbrightAtmosTransportFrag(vec3 light, vec3 additive, vec3 atten) {
-    if (no_atmo == 1)
-    {
-        return light;
-    }
-	float brightness = dot(light.rgb, vec3(0.33333));
-	return mix(atmosTransportFrag(light.rgb, additive, atten), light.rgb + additive.rgb, brightness * brightness);
-}
-
-vec3 fullbrightShinyAtmosTransportFrag(vec3 light, vec3 additive, vec3 atten) {
-    if (no_atmo == 1)
-    {
-        return light;
-    }
-	float brightness = dot(light.rgb, vec3(0.33333));
-	return mix(atmosTransportFrag(light.rgb, additive, atten), (light.rgb + additive.rgb) * (2.0 - brightness), brightness * brightness);
-}
+vec3 atmosTransportFrag(vec3 light, vec3 additive, vec3 atten);
+vec3 fullbrightAtmosTransportFrag(vec3 light, vec3 additive, vec3 atten);
+vec3 fullbrightShinyAtmosTransportFrag(vec3 light, vec3 additive, vec3 atten);
 
 vec4 getPosition_d(vec2 pos_screen, float depth)
 {
@@ -175,7 +153,7 @@ void main()
 		ambient *= ambient;
 		ambient = (1.0-ambient);
 
-		col.rgb = ambient * amblit;
+		col.rgb = ambient * ((col * 0.5) + amblit);
 
 		col += sunlit * max(min(da, scol), 0.0);
 	
diff --git a/indra/newview/app_settings/shaders/class2/lighting/sumLightsSpecularV.glsl b/indra/newview/app_settings/shaders/class2/lighting/sumLightsSpecularV.glsl
index eef259349f..3acf9fe883 100644
--- a/indra/newview/app_settings/shaders/class2/lighting/sumLightsSpecularV.glsl
+++ b/indra/newview/app_settings/shaders/class2/lighting/sumLightsSpecularV.glsl
@@ -31,6 +31,7 @@ vec3 calcPointLightSpecular(inout vec4 specular, vec3 view, vec3 v, vec3 n, vec3
 vec3 atmosAmbient(vec3 light);
 vec3 atmosAffectDirectionalLight(float lightIntensity);
 vec3 atmosGetDiffuseSunlightColor();
+vec3 scaleDownLight(vec3 light);
 
 uniform vec4 light_position[8];
 uniform vec3 light_attenuation[8]; 
@@ -49,6 +50,7 @@ vec4 sumLightsSpecular(vec3 pos, vec3 norm, vec4 color, inout vec4 specularColor
 	col.rgb += light_diffuse[1].rgb * calcDirectionalLightSpecular(specularColor, view, norm, light_position[1].xyz,light_diffuse[1].rgb, 1.0);
 	col.rgb += calcPointLightSpecular(specularSum, view, pos, norm, light_position[2].xyz, light_attenuation[2].x, light_attenuation[2].y, light_diffuse[2].rgb); 
 	col.rgb += calcPointLightSpecular(specularSum, view, pos, norm, light_position[3].xyz, light_attenuation[3].x, light_attenuation[3].y, light_diffuse[3].rgb); 
+	col.rgb = scaleDownLight(col.rgb);
 						
 	// Add windlight lights
 	col.rgb += atmosAmbient(baseCol.rgb);
diff --git a/indra/newview/app_settings/shaders/class2/lighting/sumLightsV.glsl b/indra/newview/app_settings/shaders/class2/lighting/sumLightsV.glsl
index b42506dd40..c9987ef3b9 100644
--- a/indra/newview/app_settings/shaders/class2/lighting/sumLightsV.glsl
+++ b/indra/newview/app_settings/shaders/class2/lighting/sumLightsV.glsl
@@ -28,6 +28,7 @@ float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, floa
 
 vec3 atmosAmbient(vec3 light);
 vec3 atmosAffectDirectionalLight(float lightIntensity);
+vec3 scaleDownLight(vec3 light);
 
 uniform vec4 light_position[8];
 uniform vec3 light_direction[8];
@@ -44,6 +45,8 @@ vec4 sumLights(vec3 pos, vec3 norm, vec4 color, vec4 baseLight)
 	col.rgb += light_diffuse[2].rgb*calcPointLightOrSpotLight(pos.xyz, norm, light_position[2], light_direction[2], light_attenuation[2].x, light_attenuation[2].z);
 	col.rgb += light_diffuse[3].rgb*calcPointLightOrSpotLight(pos.xyz, norm, light_position[3], light_direction[3], light_attenuation[3].x, light_attenuation[3].z);
 
+	col.rgb = scaleDownLight(col.rgb);
+
 	// Add windlight lights
 	col.rgb += atmosAmbient(baseLight.rgb);
 	col.rgb += atmosAffectDirectionalLight(calcDirectionalLight(norm, light_position[0].xyz));
diff --git a/indra/newview/app_settings/shaders/class2/windlight/atmosphericsF.glsl b/indra/newview/app_settings/shaders/class2/windlight/atmosphericsF.glsl
index 229f8073b0..9653e0809e 100644
--- a/indra/newview/app_settings/shaders/class2/windlight/atmosphericsF.glsl
+++ b/indra/newview/app_settings/shaders/class2/windlight/atmosphericsF.glsl
@@ -52,13 +52,13 @@ vec3 atmosFragLighting(vec3 light, vec3 additive, vec3 atten)
         return light;
     }
 	light *= atten.r;
-	light += additive;
+	light += additive * 2.0;
 	return light;
 }
 
 vec3 atmosLighting(vec3 light)
 {
-    return (no_atmo == 1) ? light : atmosFragLighting(light, getAdditiveColor(), getAtmosAttenuation());
+    return atmosFragLighting(light, getAdditiveColor(), getAtmosAttenuation());
 }
 
 void calcFragAtmospherics(vec3 inPositionEye, float ambFactor, out vec3 sunlit, out vec3 amblit, out vec3 additive, out vec3 atten) {
diff --git a/indra/newview/app_settings/shaders/class2/windlight/atmosphericsHelpersF.glsl b/indra/newview/app_settings/shaders/class2/windlight/atmosphericsHelpersF.glsl
index 8648c38501..63c683c99e 100644
--- a/indra/newview/app_settings/shaders/class2/windlight/atmosphericsHelpersF.glsl
+++ b/indra/newview/app_settings/shaders/class2/windlight/atmosphericsHelpersF.glsl
@@ -37,3 +37,8 @@ vec3 atmosFragAffectDirectionalLight(float lightIntensity, vec3 sunlit)
 	return sunlit * lightIntensity;
 }
 
+vec3 scaleDownLightFrag(vec3 light)
+{
+	return (light / scene_light_strength );
+}
+
diff --git a/indra/newview/app_settings/shaders/class2/windlight/atmosphericsHelpersV.glsl b/indra/newview/app_settings/shaders/class2/windlight/atmosphericsHelpersV.glsl
index a83aa95f95..62a034ce05 100644
--- a/indra/newview/app_settings/shaders/class2/windlight/atmosphericsHelpersV.glsl
+++ b/indra/newview/app_settings/shaders/class2/windlight/atmosphericsHelpersV.glsl
@@ -49,3 +49,13 @@ vec3 atmosGetDiffuseSunlightColor()
 	return getSunlitColor();
 }
 
+vec3 scaleDownLight(vec3 light)
+{
+	return (light / scene_light_strength );
+}
+
+vec3 scaleUpLight(vec3 light)
+{
+	return (light * scene_light_strength);
+}
+
diff --git a/indra/newview/app_settings/shaders/class2/windlight/gammaF.glsl b/indra/newview/app_settings/shaders/class2/windlight/gammaF.glsl
index 187876acf7..6401845af2 100644
--- a/indra/newview/app_settings/shaders/class2/windlight/gammaF.glsl
+++ b/indra/newview/app_settings/shaders/class2/windlight/gammaF.glsl
@@ -36,10 +36,10 @@ vec3 scaleSoftClipFrag(vec3 light)
     {
         return light;
     }
-	//soft clip effect:
-	light = 1. - clamp(light, vec3(0.), vec3(1.));
-	light = 1. - pow(light, gamma.xxx);
-	return light;
+    //soft clip effect:
+    light = 1. - clamp(light, vec3(0.), vec3(1.));
+    light = 1. - pow(light, gamma.xxx);
+    return light;
 }
 
 vec3 scaleSoftClip(vec3 light)
@@ -47,13 +47,12 @@ vec3 scaleSoftClip(vec3 light)
     return scaleSoftClipFrag(light);
 }
 
-vec3 fullbrightScaleSoftClipFrag(vec3 light)
-{
-	return scaleSoftClipFrag(light.rgb);
+vec3 fullbrightScaleSoftClipFrag(vec3 light) {
+    return mix(scaleSoftClip(light.rgb), light.rgb, getAtmosAttenuation()); 
 }
 
 vec3 fullbrightScaleSoftClip(vec3 light)
 {
-	return fullbrightScaleSoftClipFrag(light.rgb);
+    return fullbrightScaleSoftClipFrag(light);
 }
 
diff --git a/indra/newview/app_settings/shaders/class2/windlight/transportF.glsl b/indra/newview/app_settings/shaders/class2/windlight/transportF.glsl
index 75d1bb0cd5..359fea3073 100644
--- a/indra/newview/app_settings/shaders/class2/windlight/transportF.glsl
+++ b/indra/newview/app_settings/shaders/class2/windlight/transportF.glsl
@@ -38,7 +38,9 @@ vec3 atmosTransportFrag(vec3 light, vec3 additive, vec3 atten)
     {
 	    return light;
     }
-    return (light + additive) * atten * 2.0;
+    light *= atten.r;
+	light += additive * 2.0;
+	return light;
 }
 
 vec3 fullbrightAtmosTransportFrag(vec3 light, vec3 additive, vec3 atten)
diff --git a/indra/newview/app_settings/shaders/class3/lighting/sumLightsSpecularV.glsl b/indra/newview/app_settings/shaders/class3/lighting/sumLightsSpecularV.glsl
index 7870d0516f..e043ac873e 100644
--- a/indra/newview/app_settings/shaders/class3/lighting/sumLightsSpecularV.glsl
+++ b/indra/newview/app_settings/shaders/class3/lighting/sumLightsSpecularV.glsl
@@ -29,6 +29,7 @@ vec3 calcPointLightSpecular(inout vec4 specular, vec3 view, vec3 v, vec3 n, vec3
 vec3 atmosAmbient(vec3 light);
 vec3 atmosAffectDirectionalLight(float lightIntensity);
 vec3 atmosGetDiffuseSunlightColor();
+vec3 scaleDownLight(vec3 light);
 
 uniform vec4 light_position[8];
 uniform vec3 light_attenuation[8]; 
@@ -51,6 +52,7 @@ vec4 sumLightsSpecular(vec3 pos, vec3 norm, vec4 color, inout vec4 specularColor
 	col.rgb += calcPointLightSpecular(specularSum, view, pos, norm, light_position[5].xyz, light_attenuation[5].x, light_attenuation[5].y, light_diffuse[5].rgb); 
 	col.rgb += calcPointLightSpecular(specularSum, view, pos, norm, light_position[6].xyz, light_attenuation[6].x, light_attenuation[6].y, light_diffuse[6].rgb); 
 	col.rgb += calcPointLightSpecular(specularSum, view, pos, norm, light_position[7].xyz, light_attenuation[7].x, light_attenuation[7].y, light_diffuse[7].rgb); 
+	col.rgb = scaleDownLight(col.rgb);
 						
 	// Add windlight lights
 	col.rgb += atmosAmbient(baseCol.rgb);
diff --git a/indra/newview/llviewershadermgr.cpp b/indra/newview/llviewershadermgr.cpp
index cabfd3d2eb..16fc0f702d 100644
--- a/indra/newview/llviewershadermgr.cpp
+++ b/indra/newview/llviewershadermgr.cpp
@@ -1973,6 +1973,7 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
         gDeferredSoftenProgram.mFeatures.calculatesAtmospherics = true;
         gDeferredSoftenProgram.mFeatures.hasAtmospherics = true;
         gDeferredSoftenProgram.mFeatures.hasGamma = true;
+        gDeferredSoftenProgram.mFeatures.hasTransport = true;
 
 		gDeferredSoftenProgram.mShaderFiles.push_back(make_pair("deferred/softenLightV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredSoftenProgram.mShaderFiles.push_back(make_pair("deferred/softenLightF.glsl", GL_FRAGMENT_SHADER_ARB));
@@ -2004,6 +2005,7 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
         gDeferredSoftenWaterProgram.mFeatures.calculatesAtmospherics = true;
         gDeferredSoftenWaterProgram.mFeatures.hasAtmospherics = true;
         gDeferredSoftenWaterProgram.mFeatures.hasGamma = true;
+        gDeferredSoftenWaterProgram.mFeatures.hasTransport = true;
 
 		if (gSavedSettings.getBOOL("RenderDeferredSSAO"))
 		{ //if using SSAO, take screen space light map into account as if shadows are enabled