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/**
* @file debugV.glsl
*
* $LicenseInfo:firstyear=2007&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2011, 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 mat4 modelview_projection_matrix;
ATTRIBUTE vec3 position;
uniform vec2 screen_res;
uniform vec2 delta;
VARYING vec2 tc0;
VARYING vec2 tc1;
VARYING vec2 tc2;
VARYING vec2 tc3;
VARYING vec2 tc4;
VARYING vec2 tc5;
VARYING vec2 tc6;
VARYING vec2 tc7;
VARYING vec2 tc8;
void main()
{
gl_Position = vec4(position, 1.0);
vec2 tc = (position.xy*0.5+0.5)*screen_res;
tc0 = tc+vec2(-delta.x,-delta.y);
tc1 = tc+vec2(0,-delta.y);
tc2 = tc+vec2(delta.x,-delta.y);
tc3 = tc+vec2(-delta.x,0);
tc4 = tc+vec2(0,0);
tc5 = tc+vec2(delta.x,0);
tc6 = tc+vec2(-delta.x,delta.y);
tc7 = tc+vec2(0,delta.y);
tc8 = tc+vec2(delta.x,delta.y);
}
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