48 lines
1.5 KiB
GLSL
48 lines
1.5 KiB
GLSL
/**
|
|
* @file class1\lighting\sumLightsV.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 light_position[8];
|
|
uniform vec3 light_diffuse[8];
|
|
|
|
float calcDirectionalLight(vec3 n, vec3 l);
|
|
|
|
vec3 atmosAmbient();
|
|
vec3 atmosAffectDirectionalLight(float lightIntensity);
|
|
vec3 scaleDownLight(vec3 light);
|
|
|
|
vec4 sumLights(vec3 pos, vec3 norm, vec4 color)
|
|
{
|
|
vec4 col = vec4(0);
|
|
col.a = color.a;
|
|
|
|
col.rgb = light_diffuse[1].rgb * calcDirectionalLight(norm, light_position[1].xyz);
|
|
col.rgb += light_diffuse[1].rgb * sqrt(calcDirectionalLight(norm, -light_position[1].xyz)*0.5+0.25);
|
|
|
|
col.rgb = min(col.rgb*color.rgb, 1.0);
|
|
return col;
|
|
}
|
|
|
|
|