/*
Copyright (c) 2019 The Khronos Group Inc.
Use of this source code is governed by an MIT-style license that can be
found in the LICENSE.txt file.
*/


attribute vec4 gtf_Vertex;
uniform mat4 gtf_ModelViewProjectionMatrix;
varying vec4 color;

void main (void)
{
	int count = 0;
        for(int i=0;i<45;i++)
	{
	  count++;
	  if(count == 29)
            break;
	}
	float gray;
	if( count == 29)
	gray=1.0;
	else gray=0.0;
	color = vec4(gray, gray, gray, 1.0);
	gl_Position = gtf_ModelViewProjectionMatrix * gtf_Vertex;
}