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// [config]
// expect_result: pass
// glsl_version: 1.10
//
// [end config]
/*
* GStreamer
* Copyright (C) 2007 David A. Schleef <ds@schleef.org>
* Copyright (C) 2008 Julien Isorce <julien.isorce@gmail.com>
* Copyright (C) 2008 Filippo Argiolas <filippo.argiolas@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#extension GL_ARB_texture_rectangle : enable
uniform sampler2DRect Ytex, UVtex;
void main(void) {
float fx, fy, y, u, v, r, g, b;
fx = gl_TexCoord[0].x;
fy = gl_TexCoord[0].y;
/* %c replaced with 'r' in conversion to piglit -- YUY2 version */
y = texture2DRect(Ytex,vec2(fx,fy)).r;
/* %c replaced with 'g' in conversion to piglit -- YUY2 version */
u = texture2DRect(UVtex,vec2(fx*0.5,fy)).g;
/* %c replaced with 'b' in conversion to piglit -- YUY2 version */
v = texture2DRect(UVtex,vec2(fx*0.5,fy)).b;
y=1.164*(y-0.0627);
u=u-0.5;
v=v-0.5;
r = y+1.5958*v;
g = y-0.39173*u-0.81290*v;
b = y+2.017*u;
gl_FragColor = vec4(r, g, b, 1.0);
}
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