/indra/newview/app_settings/shaders/class1/windlight/atmosphericsHelpersV.glsl
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Possible License(s): LGPL-2.1
- /**
- * @file atmosphericsHelpersV.glsl
- *
- * $LicenseInfo:firstyear=2005&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2005, 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
- * $/LicenseInfo$
- */
-
- uniform vec4 sunlight_color_copy;
- uniform vec4 light_ambient;
- vec3 atmosAmbient(vec3 light)
- {
- return light + light_ambient.rgb;
- }
- vec3 atmosAffectDirectionalLight(float lightIntensity)
- {
- return sunlight_color_copy.rgb * lightIntensity;
- }
- vec3 atmosGetDiffuseSunlightColor()
- {
- return sunlight_color_copy.rgb;
- }
- vec3 scaleDownLight(vec3 light)
- {
- /* stub function for fallback compatibility on class1 hardware */
- return light;
- }
- vec3 scaleUpLight(vec3 light)
- {
- /* stub function for fallback compatibility on class1 hardware */
- return light;
- }