//
//  VerticalBlur.vsh
//  XIONControlPanel
//
//  Created by Charles Magahern on 12/29/15.
//  Copyright © 2015 XION. All rights reserved.
//

attribute vec4  a_position;
varying vec2    v_uv;
varying vec2    v_blurTexCoords[14];

void main()
{
    v_uv = (a_position.xy + 1.0) * 0.5;
    v_blurTexCoords[ 0] = v_uv + vec2(0.0, -0.028);
    v_blurTexCoords[ 1] = v_uv + vec2(0.0, -0.024);
    v_blurTexCoords[ 2] = v_uv + vec2(0.0, -0.020);
    v_blurTexCoords[ 3] = v_uv + vec2(0.0, -0.016);
    v_blurTexCoords[ 4] = v_uv + vec2(0.0, -0.012);
    v_blurTexCoords[ 5] = v_uv + vec2(0.0, -0.008);
    v_blurTexCoords[ 6] = v_uv + vec2(0.0, -0.004);
    v_blurTexCoords[ 7] = v_uv + vec2(0.0,  0.004);
    v_blurTexCoords[ 8] = v_uv + vec2(0.0,  0.008);
    v_blurTexCoords[ 9] = v_uv + vec2(0.0,  0.012);
    v_blurTexCoords[10] = v_uv + vec2(0.0,  0.016);
    v_blurTexCoords[11] = v_uv + vec2(0.0,  0.020);
    v_blurTexCoords[12] = v_uv + vec2(0.0,  0.024);
    v_blurTexCoords[13] = v_uv + vec2(0.0,  0.028);

    gl_Position = a_position;
}