1 files changed, 17 insertions, 17 deletions
diff --git a/indra/newview/app_settings/shaders/class2/deferred/skyF.glsl b/indra/newview/app_settings/shaders/class2/deferred/skyF.glsl
index 6841a8194f..668f70c3ab 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/skyF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/skyF.glsl
@@ -32,13 +32,13 @@ uniform mat4 modelview_projection_matrix;
 // Inputs
 uniform vec3 camPosLocal;
 
-uniform vec4  lightnorm;
-uniform vec4  sunlight_color;
-uniform vec4  moonlight_color;
+uniform vec3  lightnorm;
+uniform vec3  sunlight_color;
+uniform vec3  moonlight_color;
 uniform int   sun_up_factor;
-uniform vec4  ambient_color;
-uniform vec4  blue_horizon;
-uniform vec4  blue_density;
+uniform vec3  ambient_color;
+uniform vec3  blue_horizon;
+uniform vec3  blue_density;
 uniform float haze_horizon;
 uniform float haze_density;
 
@@ -47,10 +47,10 @@ uniform float density_multiplier;
 uniform float distance_multiplier;
 uniform float max_y;
 
-uniform vec4  glow;
+uniform vec3  glow;
 uniform float sun_moon_glow_factor;
 
-uniform vec4 cloud_color;
+uniform vec3 cloud_color;
 
 #ifdef DEFINE_GL_FRAGCOLOR
 out vec4 frag_data[3];
@@ -123,16 +123,16 @@ void main()
     float rel_pos_len  = length(rel_pos);
 
     // Initialize temp variables
-    vec4 sunlight = (sun_up_factor == 1) ? sunlight_color : moonlight_color;
+    vec3 sunlight = (sun_up_factor == 1) ? sunlight_color : moonlight_color;
 
     // Sunlight attenuation effect (hue and brightness) due to atmosphere
     // this is used later for sunlight modulation at various altitudes
-    vec4 light_atten = (blue_density + vec4(haze_density * 0.25)) * (density_multiplier * max_y);
+    vec3 light_atten = (blue_density + vec3(haze_density * 0.25)) * (density_multiplier * max_y);
 
     // Calculate relative weights
-    vec4 combined_haze = abs(blue_density) + vec4(abs(haze_density));
-    vec4 blue_weight   = blue_density / combined_haze;
-    vec4 haze_weight   = haze_density / combined_haze;
+    vec3 combined_haze = abs(blue_density) + vec3(abs(haze_density));
+    vec3 blue_weight   = blue_density / combined_haze;
+    vec3 haze_weight   = haze_density / combined_haze;
 
     // Compute sunlight from rel_pos & lightnorm (for long rays like sky)
     float off_axis = 1.0 / max(1e-6, max(0, rel_pos_norm.y) + lightnorm.y);
@@ -162,7 +162,7 @@ void main()
     haze_glow = (sun_moon_glow_factor < 1.0) ? 0.0 : (sun_moon_glow_factor * (haze_glow + 0.25));
 
     // Haze color above cloud
-    vec4 color = blue_horizon * blue_weight * (sunlight + ambient_color) 
+    vec3 color = blue_horizon * blue_weight * (sunlight + ambient_color) 
                + haze_horizon * haze_weight * (sunlight * haze_glow + ambient_color);
 
     // Final atmosphere additive
@@ -170,13 +170,13 @@ void main()
 
     // Increase ambient when there are more clouds
     // TODO 9/20: DJH what does this do?  max(0,(1-ambient)) will change the color
-    vec4 ambient = ambient_color + max(vec4(0), (1. - ambient_color)) * cloud_shadow * 0.5;
+    vec3 ambient = ambient_color + max(vec3(0), (1. - ambient_color)) * cloud_shadow * 0.5;
 
     // Dim sunlight by cloud shadow percentage
     sunlight *= max(0.0, (1. - cloud_shadow));
 
     // Haze color below cloud
-    vec4 add_below_cloud = blue_horizon * blue_weight * (sunlight + ambient) 
+    vec3 add_below_cloud = blue_horizon * blue_weight * (sunlight + ambient) 
                          + haze_horizon * haze_weight * (sunlight * haze_glow + ambient);
 
     // Attenuate cloud color by atmosphere
@@ -195,5 +195,5 @@ void main()
     // Gamma correct for WL (soft clip effect).
     frag_data[0] = vec4(color.rgb, 1.0);
     frag_data[1] = vec4(0.0, 0.0, 0.0, 0.0);
-    frag_data[2] = vec4(0.0, 0.0, 0.0, 1.0);  // 1.0 in norm.w masks off fog
+    frag_data[2] = vec4(0.0, 0.0, 0.0, GBUFFER_FLAG_SKIP_ATMOS);  // 1.0 in norm.w masks off fog
 }