FFNX.overlay.vert

/****************************************************************************/
//    Copyright (C) 2009 Aali132                                            //
//    Copyright (C) 2018 quantumpencil                                      //
//    Copyright (C) 2018 Maxime Bacoux                                      //
//    Copyright (C) 2020 myst6re                                            //
//    Copyright (C) 2020 Chris Rizzitello                                   //
//    Copyright (C) 2020 John Pritchard                                     //
//    Copyright (C) 2023 Julian Xhokaxhiu                                   //
//                                                                          //
//    This file is part of FFNx                                             //
//                                                                          //
//    FFNx 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 3 of the License         //
//                                                                          //
//    FFNx 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.                          //
/****************************************************************************/

$input a_position, a_texcoord0, a_color0
$output v_color0, v_texcoord0

#include <bgfx/bgfx_shader.sh>
#include "FFNx.common.sh"

void main()
{
	vec2 pos = 2.0*a_position.xy*u_viewTexel.xy;
	gl_Position = vec4(pos.x - 1.0, 1.0 - pos.y, 0.0, 1.0);
	v_texcoord0 = a_texcoord0;
	v_color0    = a_color0;
}