Apertura del repositorio

indra/newview/app_settings/shaders/class1/windlight/atmosphericsF.glsl

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+/**
+ * @file class2\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);
+
+vec3 srgb_to_linear(vec3 col);
+vec3 linear_to_srgb(vec3 col);
+
+uniform float sky_hdr_scale;
+
+vec3 atmosFragLighting(vec3 light, vec3 additive, vec3 atten)
+{
+    light *= atten.r;
+    additive = srgb_to_linear(additive*2.0);
+    additive *= sky_hdr_scale;
+    light += additive;
+    return light;
+}
+
+vec3 atmosFragLightingLinear(vec3 light, vec3 additive, vec3 atten)
+{
+    return atmosFragLighting(light, additive, atten);
+}
+
+vec3 atmosLighting(vec3 light)
+{
+    return atmosFragLighting(light, getAdditiveColor(), getAtmosAttenuation());
+}