summaryrefslogtreecommitdiff
path: root/indra/newview/app_settings/shaders/class1/windlight/atmosphericsHelpersV.glsl
blob: 6ecbfaecb10e8ab3596304579cf8a5a0a3467815 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
/**
 * @file class2\wl\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
 * $/LicenseInfo$
 */
 


// Output variables
vec3 getSunlitColor();
vec3 getAmblitColor();
vec3 getAdditiveColor();
vec3 getAtmosAttenuation();
vec3 getPositionEye();

uniform float scene_light_strength;

vec3 atmosAmbient()
{
    return getAmblitColor();
}

vec3 atmosAffectDirectionalLight(float lightIntensity)
{
    return getSunlitColor() * lightIntensity;
}

vec3 atmosGetDiffuseSunlightColor()
{
    return getSunlitColor();
}

vec3 scaleDownLight(vec3 light)
{
    return (light / scene_light_strength );
}