#version 130

in vec2 position;
in vec2 vertex_uv;
uniform mat4 transformation;
uniform int mode;
out vec2 original_coordinates;
out vec4 clip_coordinates;
out vec2 frag_uv;

void main(void)
{
    gl_Position = vec4(position, 0, 1);
    if (mode > 0)
    {
        gl_Position *= transformation;
    }
    original_coordinates = position;
    clip_coordinates = gl_Position;
    frag_uv = vertex_uv;
}