attribute vec4 position;
attribute vec4 inputTextureCoordinate;

varying vec2 textureCoordinate;
varying vec2 textureCoordinate2;
void main()
{
    gl_Position = position;
    textureCoordinate = position.xy * 0.5 + 0.5;
    textureCoordinate2 = inputTextureCoordinate.xy;
}
