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/**
* @file blurf.glsl
*
* $LicenseInfo:firstyear=2007&license=viewerlgpl$
* 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 sampler2DRect RenderTexture;
uniform float bloomStrength;
varying vec4 gl_TexCoord[gl_MaxTextureCoords];
void main(void)
{
float blurWeights[7];
blurWeights[0] = 0.05;
blurWeights[1] = 0.1;
blurWeights[2] = 0.2;
blurWeights[3] = 0.3;
blurWeights[4] = 0.2;
blurWeights[5] = 0.1;
blurWeights[6] = 0.05;
vec3 color = vec3(0,0,0);
for (int i = 0; i < 7; i++){
color += vec3(texture2DRect(RenderTexture, gl_TexCoord[i].st)) * blurWeights[i];
}
color *= bloomStrength;
gl_FragColor = vec4(color, 1.0);
}
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