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/indra/newview/app_settings/shaders/class2/effects/blurF.glsl

https://bitbucket.org/lindenlab/viewer-beta/
text | 51 lines | 44 code | 7 blank | 0 comment | 0 complexity | 74bce5518324ea8c7369512c4051a97d MD5 | raw file
 1/**
 2 * @file blurf.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
28uniform sampler2DRect RenderTexture;
29uniform float bloomStrength;
30
31varying vec4 gl_TexCoord[gl_MaxTextureCoords];
32void main(void) 
33{
34	float blurWeights[7];
35	blurWeights[0] = 0.05;
36	blurWeights[1] = 0.1;
37	blurWeights[2] = 0.2;
38	blurWeights[3] = 0.3;
39	blurWeights[4] = 0.2;
40	blurWeights[5] = 0.1;
41	blurWeights[6] = 0.05;
42	
43	vec3 color = vec3(0,0,0);
44	for (int i = 0; i < 7; i++){
45		color += vec3(texture2DRect(RenderTexture, gl_TexCoord[i].st)) * blurWeights[i];
46	}
47
48	color *= bloomStrength;
49
50	gl_FragColor = vec4(color, 1.0);
51}