/indra/newview/app_settings/shaders/class3/deferred/luminanceF.glsl

 1/** 
 2 * @file luminanceF.glsl
 3 *
 4 * $LicenseInfo:firstyear=2007&license=viewerlgpl$
 5 * Second Life Viewer Source Code
 6 * Copyright (C) 2007, Linden Research, Inc.
 7 * 
 8 * This library is free software; you can redistribute it and/or
 9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation;
11 * version 2.1 of the License only.
12 * 
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
16 * Lesser General Public License for more details.
17 * 
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with this library; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
21 * 
22 * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
23 * $/LicenseInfo$
24 */
25 
26
27
28#extension GL_ARB_texture_rectangle : enable
29
30uniform sampler2DRect lightMap;
31uniform sampler2DRect diffuseRect;
32
33varying vec2 vary_fragcoord;
34void main() 
35{
36	float i = texture2DRect(lightMap, vary_fragcoord.xy).r;
37	gl_FragColor.rgb = vec3(i);
38	gl_FragColor.a = 1.0;
39}