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/**
* @file impostorF.glsl
*
* $LicenseInfo:firstyear=2011&license=viewerlgpl$
* 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
* $/LicenseInfo$
*/
uniform float minimum_alpha;
uniform float maximum_alpha;
uniform sampler2D diffuseMap;
uniform sampler2D normalMap;
uniform sampler2D specularMap;
void main()
{
vec4 col = texture2D(diffuseMap, gl_TexCoord[0].xy);
if (col.a < minimum_alpha || col.a > maximum_alpha)
{
discard;
}
gl_FragData[0] = vec4(col.rgb, col.a * 0.005);
gl_FragData[1] = texture2D(specularMap, gl_TexCoord[0].xy);
gl_FragData[2] = vec4(texture2D(normalMap, gl_TexCoord[0].xy).xyz, 0.0);
}
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