From b79d0d2fdd047636598cbc9b088c3d4a10a84460 Mon Sep 17 00:00:00 2001
From: Graham Linden <graham@lindenlab.com>
Date: Mon, 10 Jun 2019 09:15:35 -0700
Subject: SL-10969, SL-11051

Make fullbright alpha mask with mask cutoff == 0 not generate shadows.

Adjust handling of ambient across forward and deferred again.
---
 indra/newview/app_settings/shaders/class3/deferred/softenLightF.glsl  | 1 -
 indra/newview/app_settings/shaders/class3/lighting/lightV.glsl        | 2 +-
 .../newview/app_settings/shaders/class3/windlight/atmosphericsV.glsl  | 4 ++--
 3 files changed, 3 insertions(+), 4 deletions(-)

(limited to 'indra/newview/app_settings/shaders/class3')

diff --git a/indra/newview/app_settings/shaders/class3/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class3/deferred/softenLightF.glsl
index 6400e5169e..82a899ad65 100644
--- a/indra/newview/app_settings/shaders/class3/deferred/softenLightF.glsl
+++ b/indra/newview/app_settings/shaders/class3/deferred/softenLightF.glsl
@@ -53,7 +53,6 @@ uniform vec4 glow;
 uniform float global_gamma;
 uniform mat3 env_mat;
 uniform vec4 shadow_clip;
-uniform mat3 ssao_effect_mat;
 
 uniform vec3 sun_dir;
 VARYING vec2 vary_fragcoord;
diff --git a/indra/newview/app_settings/shaders/class3/lighting/lightV.glsl b/indra/newview/app_settings/shaders/class3/lighting/lightV.glsl
index cba87a1db7..30ad493331 100644
--- a/indra/newview/app_settings/shaders/class3/lighting/lightV.glsl
+++ b/indra/newview/app_settings/shaders/class3/lighting/lightV.glsl
@@ -35,7 +35,7 @@ vec4 calcLighting(vec3 pos, vec3 norm, vec4 color)
 	vec4 c = sumLights(pos, norm, color);
 
 #if !defined(AMBIENT_KILL)
-    c.rgb += atmosAmbient() * color.rgb * 2.0 * getAmbientClamp();
+    c.rgb += atmosAmbient() * color.rgb * getAmbientClamp();
 #endif
  
     return c;
diff --git a/indra/newview/app_settings/shaders/class3/windlight/atmosphericsV.glsl b/indra/newview/app_settings/shaders/class3/windlight/atmosphericsV.glsl
index 27fdae962e..7b4269ca6f 100644
--- a/indra/newview/app_settings/shaders/class3/windlight/atmosphericsV.glsl
+++ b/indra/newview/app_settings/shaders/class3/windlight/atmosphericsV.glsl
@@ -32,7 +32,7 @@ void setPositionEye(vec3 v);
 
 vec3 getAdditiveColor();
 
-void calcAtmosphericVars(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, bool use_ao);
 
 void calcAtmospherics(vec3 inPositionEye) {
 
@@ -42,7 +42,7 @@ void calcAtmospherics(vec3 inPositionEye) {
     vec3 tmpamblit = vec3(1);
     vec3 tmpaddlit = vec3(1);
     vec3 tmpattenlit = vec3(1);
-    calcAtmosphericVars(inPositionEye, 1, tmpsunlit, tmpamblit, tmpaddlit, tmpattenlit);
+    calcAtmosphericVars(inPositionEye, 1, tmpsunlit, tmpamblit, tmpaddlit, tmpattenlit, true);
     setSunlitColor(tmpsunlit);
     setAmblitColor(tmpamblit);
     setAdditiveColor(tmpaddlit);
-- 
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