Merged in Geenz/viewer-eep/OPEN-340 (pull request #345)

OPEN-340 & OPEN-343 - Consolidate shader atmospheric calcs into a singular utility shader + fix fog on fullbright in deferred

4 files changed, 13 insertions, 8 deletions

diff --git a/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl b/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl
index 4fe0d1351d..ca82dd9432 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl
@@ -77,7 +77,7 @@ vec2 encode_normal (vec3 n);
 vec3 scaleSoftClipFrag(vec3 l);
 vec3 atmosFragLighting(vec3 light, vec3 additive, vec3 atten);
 
-void calcFragAtmospherics(vec3 inPositionEye, float ambFactor, out vec3 sunlit, out vec3 amblit, out vec3 atten, out vec3 additive);
+void calcAtmosphericVars(vec3 inPositionEye, float ambFactor, out vec3 sunlit, out vec3 amblit, out vec3 atten, out vec3 additive);
 
 #ifdef HAS_SHADOW
 float sampleDirectionalShadow(vec3 pos, vec3 norm, vec2 pos_screen);
@@ -184,7 +184,7 @@ void main()
     vec3 additive;
     vec3 atten;
 
-    calcFragAtmospherics(pos.xyz, 1.0, sunlit, amblit, additive, atten);
+    calcAtmosphericVars(pos.xyz, 1.0, sunlit, amblit, additive, atten);
 
     vec2 abnormal = encode_normal(norm.xyz);
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/fullbrightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/fullbrightF.glsl
index d5ef010017..f98fc0d518 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/fullbrightF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/fullbrightF.glsl
@@ -45,6 +45,9 @@ VARYING vec2 vary_texcoord0;
 vec4 applyWaterFogView(vec3 pos, vec4 color);
 #endif
 
+vec3 fullbrightAtmosTransport(vec3 light);
+vec3 fullbrightScaleSoftClip(vec3 light);
+
 #ifdef HAS_ALPHA_MASK
 uniform float minimum_alpha;
 #endif
@@ -74,6 +77,8 @@ void main()
 	color.rgb = fogged.rgb;
 	color.a   = fogged.a;
 #else
+	color.rgb = fullbrightAtmosTransport(color.rgb);
+	color.rgb = fullbrightScaleSoftClip(color.rgb);
 	color.a   = final_alpha;
 #endif
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl b/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl
index 6d7162b5a2..9b07c11361 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl
@@ -41,7 +41,7 @@ vec4 applyWaterFogView(vec3 pos, vec4 color);
 vec3 atmosFragLighting(vec3 l, vec3 additive, vec3 atten);
 vec3 scaleSoftClipFrag(vec3 l);
 
-void calcFragAtmospherics(vec3 inPositionEye, float ambFactor, out vec3 sunlit, out vec3 amblit, out vec3 additive, out vec3 atten);
+void calcAtmosphericVars(vec3 inPositionEye, float ambFactor, out vec3 sunlit, out vec3 amblit, out vec3 additive, out vec3 atten);
 
 vec3 srgb_to_linear(vec3 cs);
 vec3 linear_to_srgb(vec3 cs);
@@ -290,7 +290,7 @@ void main()
     vec3 additive;
     vec3 atten;
 
-    calcFragAtmospherics(pos.xyz, 1.0, sunlit, amblit, additive, atten);
+    calcAtmosphericVars(pos.xyz, 1.0, sunlit, amblit, additive, atten);
 
     vec3 refnormpersp = normalize(reflect(pos.xyz, norm.xyz));
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl
index 4b9e8290dd..ff30004ffd 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl
@@ -71,7 +71,7 @@ vec3 getNorm(vec2 pos_screen);
 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);
+void calcAtmosphericVars(vec3 inPositionEye, float ambFactor, out vec3 sunlit, out vec3 amblit, out vec3 additive, out vec3 atten);
 
 vec3 scaleSoftClipFrag(vec3 l);
 
@@ -107,8 +107,8 @@ void main()
         vec3 additive;
         vec3 atten;
 
-        calcFragAtmospherics(pos.xyz, 1.0, sunlit, amblit, additive, atten);
-
+        calcAtmosphericVars(pos.xyz, 1.0, sunlit, amblit, additive, atten);
+        sunlit *= 0.5;
         float ambient = da;
         ambient *= 0.5;
         ambient *= ambient;
@@ -166,7 +166,7 @@ vec3 post_diffuse = col.rgb;
             col = mix(col.rgb, refcol, envIntensity); 
         }
                 
-        if (norm.w < 0.5)
+        if (norm.w < 1)
         {
             col = atmosFragLighting(col, additive, atten);
             col = scaleSoftClipFrag(col);