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/**
* ***** BEGIN GPL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL LICENSE BLOCK *****
*/
#ifndef __RAS_SEPIA2DFILTER
#define __RAS_SEPIA2DFILTER
const char * SepiaFragmentShader=STRINGIFY(
uniform sampler2D bgl_RenderedTexture;
void main(void)
{
vec4 texcolor = texture2D(bgl_RenderedTexture, gl_TexCoord[0].st);
float gray = dot(texcolor.rgb, vec3(0.299, 0.587, 0.114));
gl_FragColor = vec4(gray * vec3(1.2, 1.0, 0.8), texcolor.a);
}
);
#endif
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