1 files changed, 16 insertions, 25 deletions
diff --git a/indra/newview/app_settings/shaders/class1/deferred/moonF.glsl b/indra/newview/app_settings/shaders/class1/deferred/moonF.glsl
index 35068899ee..183354b9bd 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/moonF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/moonF.glsl
@@ -23,29 +23,16 @@
  * $/LicenseInfo$
  */
  
-#extension GL_ARB_texture_rectangle : enable
-
 /*[EXTRA_CODE_HERE]*/
 
-#ifdef DEFINE_GL_FRAGCOLOR
-out vec4 frag_data[3];
-#else
-#define frag_data gl_FragData
-#endif
+out vec4 frag_data[4];
 
 uniform vec4 color;
-uniform vec4 sunlight_color;
-uniform vec4 moonlight_color;
 uniform vec3 moon_dir;
 uniform float moon_brightness;
 uniform sampler2D diffuseMap;
 
-VARYING vec2 vary_texcoord0;
-
-vec3 srgb_to_linear(vec3 c);
-
-/// Soft clips the light with a gamma correction
-vec3 scaleSoftClip(vec3 light);
+in vec2 vary_texcoord0;
 
 void main() 
 {
@@ -54,20 +41,24 @@ void main()
     if( moon_dir.z > 0 )
         fade = clamp( moon_dir.z*moon_dir.z*4.0, 0.0, 1.0 );
 
-    vec4 c      = texture2D(diffuseMap, vary_texcoord0.xy);
-//       c.rgb  = srgb_to_linear(c.rgb);
-         c.rgb *= moonlight_color.rgb;
-         c.rgb *= moon_brightness;
+    vec4 c      = texture(diffuseMap, vary_texcoord0.xy);
 
-         c.rgb *= fade;
-         c.a   *= fade;
+    // SL-14113 Don't write to depth; prevent moon's quad from hiding stars which should be visible
+    // Moon texture has transparent pixels <0x55,0x55,0x55,0x00>
+    if (c.a <= 2./255.) // 0.00784
+    {
+        discard;
+    }
 
-         c.rgb  = scaleSoftClip(c.rgb);
+    c.rgb *= moon_brightness;
+    c.a   *= fade;
 
-    frag_data[0] = vec4(c.rgb, c.a);
+    frag_data[0] = vec4(0);
     frag_data[1] = vec4(0.0);
-    frag_data[2] = vec4(0.0f);
+    frag_data[2] = vec4(0.0, 0.0, 0.0, GBUFFER_FLAG_HAS_ATMOS);
+    frag_data[3] = vec4(c.rgb, c.a);
 
-    gl_FragDepth = 0.999985f;
+    // Added and commented out for a ground truth.  Do not uncomment - Geenz
+    //gl_FragDepth = 0.999985f;
 }