gistfile1.txt

#version 330

vertex
{
    layout(location = 0) in vec4 position;
    void main()
    {
        gl_Position = position;
    }
}

fragment
{
    out vec4 outputColor;
    void main()
    {
       outputColor = vec4(1.0f, 1.0f, 1.0f, 1.0f);
    }
}