attribute vec4 Position;


varying vec4 DestinationColor;

uniform mat4 Projection;
uniform mat4 Modelview;

attribute vec2 TexCoordIn; // New
varying vec2 TexCoordOut; // New

void main(void) {
    gl_Position = Projection * Modelview * Position;
    TexCoordOut = TexCoordIn; // New
}