1 files changed, 46 insertions, 0 deletions
diff --git a/indra/newview/app_settings/shaders/class3/windlight/atmosphericsF.glsl b/indra/newview/app_settings/shaders/class3/windlight/atmosphericsF.glsl
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index 0000000000..2b70ba76dc
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+++ b/indra/newview/app_settings/shaders/class3/windlight/atmosphericsF.glsl
@@ -0,0 +1,46 @@
+/** 
+ * @file class3\wl\atmosphericsF.glsl
+ *
+ * $LicenseInfo:firstyear=2007&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2007, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+vec3 getAdditiveColor();
+vec3 getAtmosAttenuation();
+vec3 scaleSoftClipFrag(vec3 light);
+
+uniform int no_atmo;
+
+vec3 atmosFragLighting(vec3 light, vec3 additive, vec3 atten)
+{
+    if (no_atmo == 1)
+    {
+        return light;
+    }
+    light *= atten.r;
+    light += additive;
+    return light * 2.0;
+}
+
+vec3 atmosLighting(vec3 light)
+{
+    return atmosFragLighting(light, getAdditiveColor(), getAtmosAttenuation());
+}