#ifdef GL_ES

precision mediump float;

#endif

attribute vec2 vertex;

attribute vec2 texcoord;

attribute vec4 colors;

varying vec2 tex;

uniform mat4 mvp;

void main()

{

    vec4 p = mvp * vec4(vertex, 0.0, 1.0);

    gl_Position = p;

    tex = texcoord;

}