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/*
* Stellarium Scenery3d Plug-in
*
* Copyright (C) 2014 Simon Parzer, Peter Neubauer, Georg Zotti, Andrei Borza, Florian Schaukowitsch
*
* 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., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA.
*/
/*
This is a shader for MVP transformation only. Used to fill depth maps.
*/
#define ALPHATEST 1
//matrices
uniform mat4 u_mMVP;
ATTRIBUTE vec4 a_vertex;
#if ALPHATEST
ATTRIBUTE vec2 a_texcoord;
VARYING mediump vec2 v_texcoord;
#endif
void main(void)
{
#if ALPHATEST
v_texcoord = a_texcoord;
#endif
gl_Position = u_mMVP * a_vertex;
}
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