/** 
 * @file postNoTCV.glsl
 *
 * $LicenseInfo:firstyear=2021&license=viewerlgpl$
 * Alchemy Viewer Source Code
 * Copyright (C) 2021, Rye Mutt<rye@alchemyviewer.org>
 * 
 * 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
 * 
 * $/LicenseInfo$
 */

uniform mat4 modelview_projection_matrix;

ATTRIBUTE vec3 position;

VARYING vec2 vary_fragcoord;

uniform vec2 screen_res = vec2(1.f, 1.f);

void main()
{
	//transform vertex
	vec4 pos = modelview_projection_matrix * vec4(position.xyz, 1.0);
	gl_Position = pos;

	vary_fragcoord = (pos.xy*0.5+0.5) * screen_res;
}
