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/indra/newview/app_settings/shaders/class1/effects/glowV.glsl

https://bitbucket.org/lindenlab/viewer-beta/
Unknown | 50 lines | 44 code | 6 blank | 0 comment | 0 complexity | 5786ea9789a79b4fe00a233ae6100cec MD5 | raw file
 1/** 
 2 * @file glowV.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 
26uniform mat4 modelview_projection_matrix;
27
28ATTRIBUTE vec3 position;
29ATTRIBUTE vec2 texcoord0;
30
31uniform vec2 glowDelta;
32
33VARYING vec4 vary_texcoord0;
34VARYING vec4 vary_texcoord1;
35VARYING vec4 vary_texcoord2;
36VARYING vec4 vary_texcoord3;
37
38void main() 
39{
40	gl_Position = modelview_projection_matrix * vec4(position, 1.0);
41	
42	vary_texcoord0.xy = texcoord0 + glowDelta*(-3.5);
43	vary_texcoord1.xy = texcoord0 + glowDelta*(-2.5);
44	vary_texcoord2.xy = texcoord0 + glowDelta*(-1.5);
45	vary_texcoord3.xy = texcoord0 + glowDelta*(-0.5);
46	vary_texcoord0.zw = texcoord0 + glowDelta*(0.5);
47	vary_texcoord1.zw = texcoord0 + glowDelta*(1.5);
48	vary_texcoord2.zw = texcoord0 + glowDelta*(2.5);
49	vary_texcoord3.zw = texcoord0 + glowDelta*(3.5);
50}