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/**
* @file lightAlphaMaskF.glsl
*
* $LicenseInfo:firstyear=2011&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2011, 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
* $/LicenseInfo$
*/
#ifdef DEFINE_GL_FRAGCOLOR
out vec4 frag_color;
#else
#define frag_color gl_FragColor
#endif
uniform float minimum_alpha;
vec3 atmosLighting(vec3 light);
vec3 scaleSoftClip(vec3 light);
VARYING vec4 vertex_color;
VARYING vec2 vary_texcoord0;
void default_lighting()
{
vec4 color = diffuseLookup(vary_texcoord0.xy);
color *= vertex_color;
if (color.a < minimum_alpha)
{
discard;
}
color.rgb = atmosLighting(color.rgb);
color.rgb = scaleSoftClip(color.rgb);
frag_color = color;
}
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