Make ambient clamping consistent between class1/2 deferred lighting and forward rendering.

Add decls for intermediate lighting values for debug.

2 files changed, 10 insertions, 2 deletions

diff --git a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
index 12115082a9..8814587fbc 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
@@ -126,16 +126,24 @@ void main()
         float ambient = da;
         ambient *= 0.5;
         ambient *= ambient;
-        ambient = max(0.9, ambient);
+        ambient = max(0.66, ambient);
         ambient = 1.0 - ambient;
 
         vec3 sun_contrib = min(scol, final_da) * sunlit;
 
         col.rgb = amblit;
         col.rgb *= ambient;
+
+vec3 post_ambient = col.rgb;
+
         col.rgb += sun_contrib;
+
+vec3 post_sunlight = col.rgb;
+
         col.rgb *= diffuse.rgb;
 
+vec3 post_diffuse = col.rgb;
+
         vec3 refnormpersp = normalize(reflect(pos.xyz, norm.xyz));
 
         if (spec.a > 0.0) // specular reflection
diff --git a/indra/newview/app_settings/shaders/class2/windlight/atmosphericsF.glsl b/indra/newview/app_settings/shaders/class2/windlight/atmosphericsF.glsl
index 40c521cd2c..f1398afb99 100644
--- a/indra/newview/app_settings/shaders/class2/windlight/atmosphericsF.glsl
+++ b/indra/newview/app_settings/shaders/class2/windlight/atmosphericsF.glsl
@@ -152,7 +152,7 @@ void calcFragAtmospherics(vec3 inPositionEye, float ambFactor, out vec3 sunlit,
           + tmpAmbient));
 
     //brightness of surface both sunlight and ambient
-    sunlit = vec3(sunlight.rgb* 0.5);
+    sunlit = vec3(sunlight.rgb);
     amblit = vec3(tmpAmbient * .25);
     additive  = normalize(additive);
     additive *= vec3(1.0 - exp(-temp2.z * distance_multiplier)) * 0.5;