1 files changed, 28 insertions, 5 deletions
diff --git a/indra/newview/app_settings/shaders/class1/deferred/starsF.glsl b/indra/newview/app_settings/shaders/class1/deferred/starsF.glsl
index 821058804c..bac79a9fdc 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/starsF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/starsF.glsl
@@ -23,6 +23,8 @@
  * $/LicenseInfo$
  */
 
+/*[EXTRA_CODE_HERE]*/
+
 #ifdef DEFINE_GL_FRAGCOLOR
 out vec4 frag_data[3];
 #else
@@ -31,14 +33,35 @@ out vec4 frag_data[3];
 
 VARYING vec4 vertex_color;
 VARYING vec2 vary_texcoord0;
+VARYING vec2 screenpos;
 
 uniform sampler2D diffuseMap;
+uniform sampler2D altDiffuseMap;
+uniform float blend_factor;
+uniform float custom_alpha;
+uniform float time;
+
+float twinkle(){
+    float d = fract(screenpos.x + screenpos.y);
+    return abs(d);
+}
 
 void main() 
 {
-	vec4 col = vertex_color * texture2D(diffuseMap, vary_texcoord0.xy);
-	
-	frag_data[0] = col;
-	frag_data[1] = vec4(0,0,0,0);
-	frag_data[2] = vec4(0,0,1,0);	
+    vec4 col_a = texture2D(diffuseMap, vary_texcoord0.xy);
+    vec4 col_b = texture2D(diffuseMap, vary_texcoord0.xy);
+    vec4 col = mix(col_b, col_a, blend_factor);
+    col.rgb *= vertex_color.rgb;
+ 
+    float factor = smoothstep(0.0f, 0.9f, custom_alpha);
+
+    col.a = (col.a * factor) * 32.0f;
+    col.a *= twinkle();
+
+    frag_data[0] = col;
+    frag_data[1] = vec4(0.0f);
+    frag_data[2] = vec4(0.0, 1.0, 0.0, 1.0);
+
+    gl_FragDepth = 0.99995f;
 }
+