SL-11102, SL-11103

Fix diffuse boost in deferred lighting to match non-deferred.

Make class2 soften not clamp shadow color to incoming alpha (make shadows appear on terrain underwater).

4 files changed, 4 insertions, 9 deletions

diff --git a/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl b/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl
index 2112fa8251..dbd7abd7e5 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl
@@ -240,8 +240,6 @@ vec3 post_sunlight = color.rgb;
 
 vec3 post_diffuse = color.rgb;
 
-    //color.rgb = mix(diffuse_linear.rgb, color.rgb, final_alpha);
-    
     color.rgb = atmosFragLighting(color.rgb, additive, atten);
     color.rgb = scaleSoftClipFrag(color.rgb);
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl b/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl
index ba1f121bfd..7533762a96 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl
@@ -367,8 +367,6 @@ vec3 post_diffuse = color.rgb;
 
 vec3 post_spec = color.rgb;
 
-    //color = mix(color.rgb, diffuse_srgb.rgb, diffuse_srgb.a);
-
     if (envIntensity > 0.0)
     {
         //add environmentmap
diff --git a/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl
index 981a50769a..fb9f6d7f37 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl
@@ -153,8 +153,6 @@ vec3 post_diffuse = color.rgb;
        
  vec3 post_spec = color.rgb;
  
-        color.rgb += diffuse_srgb.a * diffuse_srgb.rgb;
-
         if (envIntensity > 0.0)
         { //add environmentmap
             vec3 env_vec = env_mat * refnormpersp;
diff --git a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
index f6f8f56103..73b4473be5 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
@@ -95,7 +95,10 @@ void main()
     vec4 diffuse_srgb   = texture2DRect(diffuseRect, tc);
     vec4 diffuse_linear = vec4(srgb_to_linear(diffuse_srgb.rgb), diffuse_srgb.a);
  
-    scol = max(scol_ambocc.r, diffuse_linear.a);
+
+    // clamping to alpha value kills underwater shadows...
+    //scol = max(scol_ambocc.r, diffuse_linear.a);
+    scol = scol_ambocc.r;
 
     vec4 spec = texture2DRect(specularRect, vary_fragcoord.xy);
     vec3 color = vec3(0);
@@ -160,8 +163,6 @@ vec3 post_diffuse = color.rgb;
        
  vec3 post_spec = color.rgb;
  
-        color.rgb += diffuse_srgb.a * diffuse_srgb.rgb;
-
         if (envIntensity > 0.0)
         { //add environmentmap
             vec3 env_vec = env_mat * refnormpersp;